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, 2015 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;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
446 char promoRestrict[MSG_SIZ];
448 ChessProgramState first, second, pairing;
450 /* premove variables */
453 int premoveFromX = 0;
454 int premoveFromY = 0;
455 int premovePromoChar = 0;
457 Boolean alarmSounded;
458 /* end premove variables */
460 char *ics_prefix = "$";
461 enum ICS_TYPE ics_type = ICS_GENERIC;
463 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
464 int pauseExamForwardMostMove = 0;
465 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
466 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
467 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
468 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
469 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
470 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
471 int whiteFlag = FALSE, blackFlag = FALSE;
472 int userOfferedDraw = FALSE;
473 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
474 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
475 int cmailMoveType[CMAIL_MAX_GAMES];
476 long ics_clock_paused = 0;
477 ProcRef icsPR = NoProc, cmailPR = NoProc;
478 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
479 GameMode gameMode = BeginningOfGame;
480 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
481 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
482 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
483 int hiddenThinkOutputState = 0; /* [AS] */
484 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
485 int adjudicateLossPlies = 6;
486 char white_holding[64], black_holding[64];
487 TimeMark lastNodeCountTime;
488 long lastNodeCount=0;
489 int shiftKey, controlKey; // [HGM] set by mouse handler
491 int have_sent_ICS_logon = 0;
493 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
494 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
495 Boolean adjustedClock;
496 long timeControl_2; /* [AS] Allow separate time controls */
497 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
498 long timeRemaining[2][MAX_MOVES];
499 int matchGame = 0, nextGame = 0, roundNr = 0;
500 Boolean waitingForGame = FALSE, startingEngine = FALSE;
501 TimeMark programStartTime, pauseStart;
502 char ics_handle[MSG_SIZ];
503 int have_set_title = 0;
505 /* animateTraining preserves the state of appData.animate
506 * when Training mode is activated. This allows the
507 * response to be animated when appData.animate == TRUE and
508 * appData.animateDragging == TRUE.
510 Boolean animateTraining;
516 Board boards[MAX_MOVES];
517 /* [HGM] Following 7 needed for accurate legality tests: */
518 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
519 signed char initialRights[BOARD_FILES];
520 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
521 int initialRulePlies, FENrulePlies;
522 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
524 Boolean shuffleOpenings;
525 int mute; // mute all sounds
527 // [HGM] vari: next 12 to save and restore variations
528 #define MAX_VARIATIONS 10
529 int framePtr = MAX_MOVES-1; // points to free stack entry
531 int savedFirst[MAX_VARIATIONS];
532 int savedLast[MAX_VARIATIONS];
533 int savedFramePtr[MAX_VARIATIONS];
534 char *savedDetails[MAX_VARIATIONS];
535 ChessMove savedResult[MAX_VARIATIONS];
537 void PushTail P((int firstMove, int lastMove));
538 Boolean PopTail P((Boolean annotate));
539 void PushInner P((int firstMove, int lastMove));
540 void PopInner P((Boolean annotate));
541 void CleanupTail P((void));
543 ChessSquare FIDEArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
547 BlackKing, BlackBishop, BlackKnight, BlackRook }
550 ChessSquare twoKingsArray[2][BOARD_FILES] = {
551 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
552 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
554 BlackKing, BlackKing, BlackKnight, BlackRook }
557 ChessSquare KnightmateArray[2][BOARD_FILES] = {
558 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
559 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
560 { BlackRook, BlackMan, BlackBishop, BlackQueen,
561 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
564 ChessSquare SpartanArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
566 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
567 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
568 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
571 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
575 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
578 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
580 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
582 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
586 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackMan, BlackFerz,
589 BlackKing, BlackMan, BlackKnight, BlackRook }
592 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
593 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
594 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackMan, BlackFerz,
596 BlackKing, BlackMan, BlackKnight, BlackRook }
599 ChessSquare lionArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
601 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackLion, BlackBishop, BlackQueen,
603 BlackKing, BlackBishop, BlackKnight, BlackRook }
607 #if (BOARD_FILES>=10)
608 ChessSquare ShogiArray[2][BOARD_FILES] = {
609 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
610 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
611 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
612 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
615 ChessSquare XiangqiArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
617 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
619 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
622 ChessSquare CapablancaArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
624 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
626 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
629 ChessSquare GreatArray[2][BOARD_FILES] = {
630 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
631 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
632 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
633 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
636 ChessSquare JanusArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
638 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
639 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
640 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
643 ChessSquare GrandArray[2][BOARD_FILES] = {
644 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
645 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
646 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
647 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
650 ChessSquare ChuChessArray[2][BOARD_FILES] = {
651 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
652 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
653 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
654 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
658 ChessSquare GothicArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
660 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
662 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
665 #define GothicArray CapablancaArray
669 ChessSquare FalconArray[2][BOARD_FILES] = {
670 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
671 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
672 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
673 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
676 #define FalconArray CapablancaArray
679 #else // !(BOARD_FILES>=10)
680 #define XiangqiPosition FIDEArray
681 #define CapablancaArray FIDEArray
682 #define GothicArray FIDEArray
683 #define GreatArray FIDEArray
684 #endif // !(BOARD_FILES>=10)
686 #if (BOARD_FILES>=12)
687 ChessSquare CourierArray[2][BOARD_FILES] = {
688 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
689 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
690 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
691 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
693 ChessSquare ChuArray[6][BOARD_FILES] = {
694 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
696 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
698 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
699 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
700 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
701 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
702 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
704 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
707 #else // !(BOARD_FILES>=12)
708 #define CourierArray CapablancaArray
709 #define ChuArray CapablancaArray
710 #endif // !(BOARD_FILES>=12)
713 Board initialPosition;
716 /* Convert str to a rating. Checks for special cases of "----",
718 "++++", etc. Also strips ()'s */
720 string_to_rating (char *str)
722 while(*str && !isdigit(*str)) ++str;
724 return 0; /* One of the special "no rating" cases */
732 /* Init programStats */
733 programStats.movelist[0] = 0;
734 programStats.depth = 0;
735 programStats.nr_moves = 0;
736 programStats.moves_left = 0;
737 programStats.nodes = 0;
738 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
739 programStats.score = 0;
740 programStats.got_only_move = 0;
741 programStats.got_fail = 0;
742 programStats.line_is_book = 0;
747 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
748 if (appData.firstPlaysBlack) {
749 first.twoMachinesColor = "black\n";
750 second.twoMachinesColor = "white\n";
752 first.twoMachinesColor = "white\n";
753 second.twoMachinesColor = "black\n";
756 first.other = &second;
757 second.other = &first;
760 if(appData.timeOddsMode) {
761 norm = appData.timeOdds[0];
762 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
764 first.timeOdds = appData.timeOdds[0]/norm;
765 second.timeOdds = appData.timeOdds[1]/norm;
768 if(programVersion) free(programVersion);
769 if (appData.noChessProgram) {
770 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
771 sprintf(programVersion, "%s", PACKAGE_STRING);
773 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
774 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
775 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
780 UnloadEngine (ChessProgramState *cps)
782 /* Kill off first chess program */
783 if (cps->isr != NULL)
784 RemoveInputSource(cps->isr);
787 if (cps->pr != NoProc) {
789 DoSleep( appData.delayBeforeQuit );
790 SendToProgram("quit\n", cps);
791 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
794 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
798 ClearOptions (ChessProgramState *cps)
801 cps->nrOptions = cps->comboCnt = 0;
802 for(i=0; i<MAX_OPTIONS; i++) {
803 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
804 cps->option[i].textValue = 0;
808 char *engineNames[] = {
809 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
812 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
813 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
818 InitEngine (ChessProgramState *cps, int n)
819 { // [HGM] all engine initialiation put in a function that does one engine
823 cps->which = engineNames[n];
824 cps->maybeThinking = FALSE;
828 cps->sendDrawOffers = 1;
830 cps->program = appData.chessProgram[n];
831 cps->host = appData.host[n];
832 cps->dir = appData.directory[n];
833 cps->initString = appData.engInitString[n];
834 cps->computerString = appData.computerString[n];
835 cps->useSigint = TRUE;
836 cps->useSigterm = TRUE;
837 cps->reuse = appData.reuse[n];
838 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
839 cps->useSetboard = FALSE;
841 cps->usePing = FALSE;
844 cps->usePlayother = FALSE;
845 cps->useColors = TRUE;
846 cps->useUsermove = FALSE;
847 cps->sendICS = FALSE;
848 cps->sendName = appData.icsActive;
849 cps->sdKludge = FALSE;
850 cps->stKludge = FALSE;
851 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
852 TidyProgramName(cps->program, cps->host, cps->tidy);
854 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
855 cps->analysisSupport = 2; /* detect */
856 cps->analyzing = FALSE;
857 cps->initDone = FALSE;
859 cps->pseudo = appData.pseudo[n];
861 /* New features added by Tord: */
862 cps->useFEN960 = FALSE;
863 cps->useOOCastle = TRUE;
864 /* End of new features added by Tord. */
865 cps->fenOverride = appData.fenOverride[n];
867 /* [HGM] time odds: set factor for each machine */
868 cps->timeOdds = appData.timeOdds[n];
870 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
871 cps->accumulateTC = appData.accumulateTC[n];
872 cps->maxNrOfSessions = 1;
877 cps->drawDepth = appData.drawDepth[n];
878 cps->supportsNPS = UNKNOWN;
879 cps->memSize = FALSE;
880 cps->maxCores = FALSE;
881 ASSIGN(cps->egtFormats, "");
884 cps->optionSettings = appData.engOptions[n];
886 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
887 cps->isUCI = appData.isUCI[n]; /* [AS] */
888 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
891 if (appData.protocolVersion[n] > PROTOVER
892 || appData.protocolVersion[n] < 1)
897 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
898 appData.protocolVersion[n]);
899 if( (len >= MSG_SIZ) && appData.debugMode )
900 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
902 DisplayFatalError(buf, 0, 2);
906 cps->protocolVersion = appData.protocolVersion[n];
909 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
910 ParseFeatures(appData.featureDefaults, cps);
913 ChessProgramState *savCps;
921 if(WaitForEngine(savCps, LoadEngine)) return;
922 CommonEngineInit(); // recalculate time odds
923 if(gameInfo.variant != StringToVariant(appData.variant)) {
924 // we changed variant when loading the engine; this forces us to reset
925 Reset(TRUE, savCps != &first);
926 oldMode = BeginningOfGame; // to prevent restoring old mode
928 InitChessProgram(savCps, FALSE);
929 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
930 DisplayMessage("", "");
931 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
932 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
935 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
939 ReplaceEngine (ChessProgramState *cps, int n)
941 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
943 if(oldMode != BeginningOfGame) EditGameEvent();
946 appData.noChessProgram = FALSE;
947 appData.clockMode = TRUE;
950 if(n) return; // only startup first engine immediately; second can wait
951 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
955 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
956 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
958 static char resetOptions[] =
959 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
960 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
961 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
962 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
965 FloatToFront(char **list, char *engineLine)
967 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
969 if(appData.recentEngines <= 0) return;
970 TidyProgramName(engineLine, "localhost", tidy+1);
971 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
972 strncpy(buf+1, *list, MSG_SIZ-50);
973 if(p = strstr(buf, tidy)) { // tidy name appears in list
974 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
975 while(*p++ = *++q); // squeeze out
977 strcat(tidy, buf+1); // put list behind tidy name
978 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
979 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
980 ASSIGN(*list, tidy+1);
983 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
986 Load (ChessProgramState *cps, int i)
988 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
989 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
990 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
991 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
992 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
993 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
994 appData.firstProtocolVersion = PROTOVER;
995 ParseArgsFromString(buf);
997 ReplaceEngine(cps, i);
998 FloatToFront(&appData.recentEngineList, engineLine);
1002 while(q = strchr(p, SLASH)) p = q+1;
1003 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1004 if(engineDir[0] != NULLCHAR) {
1005 ASSIGN(appData.directory[i], engineDir); p = engineName;
1006 } else if(p != engineName) { // derive directory from engine path, when not given
1008 ASSIGN(appData.directory[i], engineName);
1010 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1011 } else { ASSIGN(appData.directory[i], "."); }
1012 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1014 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1015 snprintf(command, MSG_SIZ, "%s %s", p, params);
1018 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1019 ASSIGN(appData.chessProgram[i], p);
1020 appData.isUCI[i] = isUCI;
1021 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1022 appData.hasOwnBookUCI[i] = hasBook;
1023 if(!nickName[0]) useNick = FALSE;
1024 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1028 q = firstChessProgramNames;
1029 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1030 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1031 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1032 quote, p, quote, appData.directory[i],
1033 useNick ? " -fn \"" : "",
1034 useNick ? nickName : "",
1035 useNick ? "\"" : "",
1036 v1 ? " -firstProtocolVersion 1" : "",
1037 hasBook ? "" : " -fNoOwnBookUCI",
1038 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1039 storeVariant ? " -variant " : "",
1040 storeVariant ? VariantName(gameInfo.variant) : "");
1041 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1042 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1043 if(insert != q) insert[-1] = NULLCHAR;
1044 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1046 FloatToFront(&appData.recentEngineList, buf);
1048 ReplaceEngine(cps, i);
1054 int matched, min, sec;
1056 * Parse timeControl resource
1058 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1059 appData.movesPerSession)) {
1061 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1062 DisplayFatalError(buf, 0, 2);
1066 * Parse searchTime resource
1068 if (*appData.searchTime != NULLCHAR) {
1069 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1071 searchTime = min * 60;
1072 } else if (matched == 2) {
1073 searchTime = min * 60 + sec;
1076 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1077 DisplayFatalError(buf, 0, 2);
1086 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1087 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1089 GetTimeMark(&programStartTime);
1090 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1091 appData.seedBase = random() + (random()<<15);
1092 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1094 ClearProgramStats();
1095 programStats.ok_to_send = 1;
1096 programStats.seen_stat = 0;
1099 * Initialize game list
1105 * Internet chess server status
1107 if (appData.icsActive) {
1108 appData.matchMode = FALSE;
1109 appData.matchGames = 0;
1111 appData.noChessProgram = !appData.zippyPlay;
1113 appData.zippyPlay = FALSE;
1114 appData.zippyTalk = FALSE;
1115 appData.noChessProgram = TRUE;
1117 if (*appData.icsHelper != NULLCHAR) {
1118 appData.useTelnet = TRUE;
1119 appData.telnetProgram = appData.icsHelper;
1122 appData.zippyTalk = appData.zippyPlay = FALSE;
1125 /* [AS] Initialize pv info list [HGM] and game state */
1129 for( i=0; i<=framePtr; i++ ) {
1130 pvInfoList[i].depth = -1;
1131 boards[i][EP_STATUS] = EP_NONE;
1132 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1138 /* [AS] Adjudication threshold */
1139 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1141 InitEngine(&first, 0);
1142 InitEngine(&second, 1);
1145 pairing.which = "pairing"; // pairing engine
1146 pairing.pr = NoProc;
1148 pairing.program = appData.pairingEngine;
1149 pairing.host = "localhost";
1152 if (appData.icsActive) {
1153 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1154 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1155 appData.clockMode = FALSE;
1156 first.sendTime = second.sendTime = 0;
1160 /* Override some settings from environment variables, for backward
1161 compatibility. Unfortunately it's not feasible to have the env
1162 vars just set defaults, at least in xboard. Ugh.
1164 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1169 if (!appData.icsActive) {
1173 /* Check for variants that are supported only in ICS mode,
1174 or not at all. Some that are accepted here nevertheless
1175 have bugs; see comments below.
1177 VariantClass variant = StringToVariant(appData.variant);
1179 case VariantBughouse: /* need four players and two boards */
1180 case VariantKriegspiel: /* need to hide pieces and move details */
1181 /* case VariantFischeRandom: (Fabien: moved below) */
1182 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1183 if( (len >= MSG_SIZ) && appData.debugMode )
1184 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1186 DisplayFatalError(buf, 0, 2);
1189 case VariantUnknown:
1190 case VariantLoadable:
1200 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1201 if( (len >= MSG_SIZ) && appData.debugMode )
1202 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1204 DisplayFatalError(buf, 0, 2);
1207 case VariantNormal: /* definitely works! */
1208 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1209 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1212 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1213 case VariantFairy: /* [HGM] TestLegality definitely off! */
1214 case VariantGothic: /* [HGM] should work */
1215 case VariantCapablanca: /* [HGM] should work */
1216 case VariantCourier: /* [HGM] initial forced moves not implemented */
1217 case VariantShogi: /* [HGM] could still mate with pawn drop */
1218 case VariantChu: /* [HGM] experimental */
1219 case VariantKnightmate: /* [HGM] should work */
1220 case VariantCylinder: /* [HGM] untested */
1221 case VariantFalcon: /* [HGM] untested */
1222 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1223 offboard interposition not understood */
1224 case VariantWildCastle: /* pieces not automatically shuffled */
1225 case VariantNoCastle: /* pieces not automatically shuffled */
1226 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1227 case VariantLosers: /* should work except for win condition,
1228 and doesn't know captures are mandatory */
1229 case VariantSuicide: /* should work except for win condition,
1230 and doesn't know captures are mandatory */
1231 case VariantGiveaway: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantTwoKings: /* should work */
1234 case VariantAtomic: /* should work except for win condition */
1235 case Variant3Check: /* should work except for win condition */
1236 case VariantShatranj: /* should work except for all win conditions */
1237 case VariantMakruk: /* should work except for draw countdown */
1238 case VariantASEAN : /* should work except for draw countdown */
1239 case VariantBerolina: /* might work if TestLegality is off */
1240 case VariantCapaRandom: /* should work */
1241 case VariantJanus: /* should work */
1242 case VariantSuper: /* experimental */
1243 case VariantGreat: /* experimental, requires legality testing to be off */
1244 case VariantSChess: /* S-Chess, should work */
1245 case VariantGrand: /* should work */
1246 case VariantSpartan: /* should work */
1247 case VariantLion: /* should work */
1248 case VariantChuChess: /* should work */
1256 NextIntegerFromString (char ** str, long * value)
1261 while( *s == ' ' || *s == '\t' ) {
1267 if( *s >= '0' && *s <= '9' ) {
1268 while( *s >= '0' && *s <= '9' ) {
1269 *value = *value * 10 + (*s - '0');
1282 NextTimeControlFromString (char ** str, long * value)
1285 int result = NextIntegerFromString( str, &temp );
1288 *value = temp * 60; /* Minutes */
1289 if( **str == ':' ) {
1291 result = NextIntegerFromString( str, &temp );
1292 *value += temp; /* Seconds */
1300 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1301 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1302 int result = -1, type = 0; long temp, temp2;
1304 if(**str != ':') return -1; // old params remain in force!
1306 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1307 if( NextIntegerFromString( str, &temp ) ) return -1;
1308 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1311 /* time only: incremental or sudden-death time control */
1312 if(**str == '+') { /* increment follows; read it */
1314 if(**str == '!') type = *(*str)++; // Bronstein TC
1315 if(result = NextIntegerFromString( str, &temp2)) return -1;
1316 *inc = temp2 * 1000;
1317 if(**str == '.') { // read fraction of increment
1318 char *start = ++(*str);
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1321 while(start++ < *str) temp2 /= 10;
1325 *moves = 0; *tc = temp * 1000; *incType = type;
1329 (*str)++; /* classical time control */
1330 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1342 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1343 { /* [HGM] get time to add from the multi-session time-control string */
1344 int incType, moves=1; /* kludge to force reading of first session */
1345 long time, increment;
1348 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1350 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1351 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1352 if(movenr == -1) return time; /* last move before new session */
1353 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1354 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1355 if(!moves) return increment; /* current session is incremental */
1356 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1357 } while(movenr >= -1); /* try again for next session */
1359 return 0; // no new time quota on this move
1363 ParseTimeControl (char *tc, float ti, int mps)
1367 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1370 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1371 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1372 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1376 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1378 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1381 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1383 snprintf(buf, MSG_SIZ, ":%s", mytc);
1385 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1387 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1392 /* Parse second time control */
1395 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1403 timeControl_2 = tc2 * 1000;
1413 timeControl = tc1 * 1000;
1416 timeIncrement = ti * 1000; /* convert to ms */
1417 movesPerSession = 0;
1420 movesPerSession = mps;
1428 if (appData.debugMode) {
1429 # ifdef __GIT_VERSION
1430 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1432 fprintf(debugFP, "Version: %s\n", programVersion);
1435 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1437 set_cont_sequence(appData.wrapContSeq);
1438 if (appData.matchGames > 0) {
1439 appData.matchMode = TRUE;
1440 } else if (appData.matchMode) {
1441 appData.matchGames = 1;
1443 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1444 appData.matchGames = appData.sameColorGames;
1445 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1446 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1447 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1450 if (appData.noChessProgram || first.protocolVersion == 1) {
1453 /* kludge: allow timeout for initial "feature" commands */
1455 DisplayMessage("", _("Starting chess program"));
1456 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1461 CalculateIndex (int index, int gameNr)
1462 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1464 if(index > 0) return index; // fixed nmber
1465 if(index == 0) return 1;
1466 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1467 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1472 LoadGameOrPosition (int gameNr)
1473 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1474 if (*appData.loadGameFile != NULLCHAR) {
1475 if (!LoadGameFromFile(appData.loadGameFile,
1476 CalculateIndex(appData.loadGameIndex, gameNr),
1477 appData.loadGameFile, FALSE)) {
1478 DisplayFatalError(_("Bad game file"), 0, 1);
1481 } else if (*appData.loadPositionFile != NULLCHAR) {
1482 if (!LoadPositionFromFile(appData.loadPositionFile,
1483 CalculateIndex(appData.loadPositionIndex, gameNr),
1484 appData.loadPositionFile)) {
1485 DisplayFatalError(_("Bad position file"), 0, 1);
1493 ReserveGame (int gameNr, char resChar)
1495 FILE *tf = fopen(appData.tourneyFile, "r+");
1496 char *p, *q, c, buf[MSG_SIZ];
1497 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1498 safeStrCpy(buf, lastMsg, MSG_SIZ);
1499 DisplayMessage(_("Pick new game"), "");
1500 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1501 ParseArgsFromFile(tf);
1502 p = q = appData.results;
1503 if(appData.debugMode) {
1504 char *r = appData.participants;
1505 fprintf(debugFP, "results = '%s'\n", p);
1506 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1507 fprintf(debugFP, "\n");
1509 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1511 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1512 safeStrCpy(q, p, strlen(p) + 2);
1513 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1514 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1515 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1516 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1519 fseek(tf, -(strlen(p)+4), SEEK_END);
1521 if(c != '"') // depending on DOS or Unix line endings we can be one off
1522 fseek(tf, -(strlen(p)+2), SEEK_END);
1523 else fseek(tf, -(strlen(p)+3), SEEK_END);
1524 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1525 DisplayMessage(buf, "");
1526 free(p); appData.results = q;
1527 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1528 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1529 int round = appData.defaultMatchGames * appData.tourneyType;
1530 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1531 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1532 UnloadEngine(&first); // next game belongs to other pairing;
1533 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1535 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1539 MatchEvent (int mode)
1540 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1542 if(matchMode) { // already in match mode: switch it off
1544 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1547 // if(gameMode != BeginningOfGame) {
1548 // DisplayError(_("You can only start a match from the initial position."), 0);
1552 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1553 /* Set up machine vs. machine match */
1555 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1556 if(appData.tourneyFile[0]) {
1558 if(nextGame > appData.matchGames) {
1560 if(strchr(appData.results, '*') == NULL) {
1562 appData.tourneyCycles++;
1563 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1565 NextTourneyGame(-1, &dummy);
1567 if(nextGame <= appData.matchGames) {
1568 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1570 ScheduleDelayedEvent(NextMatchGame, 10000);
1575 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1576 DisplayError(buf, 0);
1577 appData.tourneyFile[0] = 0;
1581 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1582 DisplayFatalError(_("Can't have a match with no chess programs"),
1587 matchGame = roundNr = 1;
1588 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1592 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1595 InitBackEnd3 P((void))
1597 GameMode initialMode;
1601 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1602 !strcmp(appData.variant, "normal") && // no explicit variant request
1603 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1604 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1605 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1606 char c, *q = first.variants, *p = strchr(q, ',');
1607 if(p) *p = NULLCHAR;
1608 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1610 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1611 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1612 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1613 Reset(TRUE, FALSE); // and re-initialize
1618 InitChessProgram(&first, startedFromSetupPosition);
1620 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1621 free(programVersion);
1622 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1623 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1624 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1627 if (appData.icsActive) {
1629 /* [DM] Make a console window if needed [HGM] merged ifs */
1635 if (*appData.icsCommPort != NULLCHAR)
1636 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1637 appData.icsCommPort);
1639 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1640 appData.icsHost, appData.icsPort);
1642 if( (len >= MSG_SIZ) && appData.debugMode )
1643 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1645 DisplayFatalError(buf, err, 1);
1650 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1652 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1653 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1654 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1655 } else if (appData.noChessProgram) {
1661 if (*appData.cmailGameName != NULLCHAR) {
1663 OpenLoopback(&cmailPR);
1665 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1669 DisplayMessage("", "");
1670 if (StrCaseCmp(appData.initialMode, "") == 0) {
1671 initialMode = BeginningOfGame;
1672 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1673 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1674 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1675 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1678 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1679 initialMode = TwoMachinesPlay;
1680 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1681 initialMode = AnalyzeFile;
1682 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1683 initialMode = AnalyzeMode;
1684 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1685 initialMode = MachinePlaysWhite;
1686 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1687 initialMode = MachinePlaysBlack;
1688 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1689 initialMode = EditGame;
1690 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1691 initialMode = EditPosition;
1692 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1693 initialMode = Training;
1695 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1696 if( (len >= MSG_SIZ) && appData.debugMode )
1697 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1699 DisplayFatalError(buf, 0, 2);
1703 if (appData.matchMode) {
1704 if(appData.tourneyFile[0]) { // start tourney from command line
1706 if(f = fopen(appData.tourneyFile, "r")) {
1707 ParseArgsFromFile(f); // make sure tourney parmeters re known
1709 appData.clockMode = TRUE;
1711 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1714 } else if (*appData.cmailGameName != NULLCHAR) {
1715 /* Set up cmail mode */
1716 ReloadCmailMsgEvent(TRUE);
1718 /* Set up other modes */
1719 if (initialMode == AnalyzeFile) {
1720 if (*appData.loadGameFile == NULLCHAR) {
1721 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1725 if (*appData.loadGameFile != NULLCHAR) {
1726 (void) LoadGameFromFile(appData.loadGameFile,
1727 appData.loadGameIndex,
1728 appData.loadGameFile, TRUE);
1729 } else if (*appData.loadPositionFile != NULLCHAR) {
1730 (void) LoadPositionFromFile(appData.loadPositionFile,
1731 appData.loadPositionIndex,
1732 appData.loadPositionFile);
1733 /* [HGM] try to make self-starting even after FEN load */
1734 /* to allow automatic setup of fairy variants with wtm */
1735 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1736 gameMode = BeginningOfGame;
1737 setboardSpoiledMachineBlack = 1;
1739 /* [HGM] loadPos: make that every new game uses the setup */
1740 /* from file as long as we do not switch variant */
1741 if(!blackPlaysFirst) {
1742 startedFromPositionFile = TRUE;
1743 CopyBoard(filePosition, boards[0]);
1744 CopyBoard(initialPosition, boards[0]);
1747 if (initialMode == AnalyzeMode) {
1748 if (appData.noChessProgram) {
1749 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1752 if (appData.icsActive) {
1753 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1757 } else if (initialMode == AnalyzeFile) {
1758 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1759 ShowThinkingEvent();
1761 AnalysisPeriodicEvent(1);
1762 } else if (initialMode == MachinePlaysWhite) {
1763 if (appData.noChessProgram) {
1764 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1768 if (appData.icsActive) {
1769 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1773 MachineWhiteEvent();
1774 } else if (initialMode == MachinePlaysBlack) {
1775 if (appData.noChessProgram) {
1776 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1780 if (appData.icsActive) {
1781 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1785 MachineBlackEvent();
1786 } else if (initialMode == TwoMachinesPlay) {
1787 if (appData.noChessProgram) {
1788 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1792 if (appData.icsActive) {
1793 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1798 } else if (initialMode == EditGame) {
1800 } else if (initialMode == EditPosition) {
1801 EditPositionEvent();
1802 } else if (initialMode == Training) {
1803 if (*appData.loadGameFile == NULLCHAR) {
1804 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1813 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1815 DisplayBook(current+1);
1817 MoveHistorySet( movelist, first, last, current, pvInfoList );
1819 EvalGraphSet( first, last, current, pvInfoList );
1821 MakeEngineOutputTitle();
1825 * Establish will establish a contact to a remote host.port.
1826 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1827 * used to talk to the host.
1828 * Returns 0 if okay, error code if not.
1835 if (*appData.icsCommPort != NULLCHAR) {
1836 /* Talk to the host through a serial comm port */
1837 return OpenCommPort(appData.icsCommPort, &icsPR);
1839 } else if (*appData.gateway != NULLCHAR) {
1840 if (*appData.remoteShell == NULLCHAR) {
1841 /* Use the rcmd protocol to run telnet program on a gateway host */
1842 snprintf(buf, sizeof(buf), "%s %s %s",
1843 appData.telnetProgram, appData.icsHost, appData.icsPort);
1844 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1847 /* Use the rsh program to run telnet program on a gateway host */
1848 if (*appData.remoteUser == NULLCHAR) {
1849 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1850 appData.gateway, appData.telnetProgram,
1851 appData.icsHost, appData.icsPort);
1853 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1854 appData.remoteShell, appData.gateway,
1855 appData.remoteUser, appData.telnetProgram,
1856 appData.icsHost, appData.icsPort);
1858 return StartChildProcess(buf, "", &icsPR);
1861 } else if (appData.useTelnet) {
1862 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1865 /* TCP socket interface differs somewhat between
1866 Unix and NT; handle details in the front end.
1868 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1873 EscapeExpand (char *p, char *q)
1874 { // [HGM] initstring: routine to shape up string arguments
1875 while(*p++ = *q++) if(p[-1] == '\\')
1877 case 'n': p[-1] = '\n'; break;
1878 case 'r': p[-1] = '\r'; break;
1879 case 't': p[-1] = '\t'; break;
1880 case '\\': p[-1] = '\\'; break;
1881 case 0: *p = 0; return;
1882 default: p[-1] = q[-1]; break;
1887 show_bytes (FILE *fp, char *buf, int count)
1890 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1891 fprintf(fp, "\\%03o", *buf & 0xff);
1900 /* Returns an errno value */
1902 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1904 char buf[8192], *p, *q, *buflim;
1905 int left, newcount, outcount;
1907 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1908 *appData.gateway != NULLCHAR) {
1909 if (appData.debugMode) {
1910 fprintf(debugFP, ">ICS: ");
1911 show_bytes(debugFP, message, count);
1912 fprintf(debugFP, "\n");
1914 return OutputToProcess(pr, message, count, outError);
1917 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1924 if (appData.debugMode) {
1925 fprintf(debugFP, ">ICS: ");
1926 show_bytes(debugFP, buf, newcount);
1927 fprintf(debugFP, "\n");
1929 outcount = OutputToProcess(pr, buf, newcount, outError);
1930 if (outcount < newcount) return -1; /* to be sure */
1937 } else if (((unsigned char) *p) == TN_IAC) {
1938 *q++ = (char) TN_IAC;
1945 if (appData.debugMode) {
1946 fprintf(debugFP, ">ICS: ");
1947 show_bytes(debugFP, buf, newcount);
1948 fprintf(debugFP, "\n");
1950 outcount = OutputToProcess(pr, buf, newcount, outError);
1951 if (outcount < newcount) return -1; /* to be sure */
1956 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1958 int outError, outCount;
1959 static int gotEof = 0;
1962 /* Pass data read from player on to ICS */
1965 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1966 if (outCount < count) {
1967 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1969 if(have_sent_ICS_logon == 2) {
1970 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1971 fprintf(ini, "%s", message);
1972 have_sent_ICS_logon = 3;
1974 have_sent_ICS_logon = 1;
1975 } else if(have_sent_ICS_logon == 3) {
1976 fprintf(ini, "%s", message);
1978 have_sent_ICS_logon = 1;
1980 } else if (count < 0) {
1981 RemoveInputSource(isr);
1982 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1983 } else if (gotEof++ > 0) {
1984 RemoveInputSource(isr);
1985 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1991 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1992 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1993 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1994 SendToICS("date\n");
1995 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1998 /* added routine for printf style output to ics */
2000 ics_printf (char *format, ...)
2002 char buffer[MSG_SIZ];
2005 va_start(args, format);
2006 vsnprintf(buffer, sizeof(buffer), format, args);
2007 buffer[sizeof(buffer)-1] = '\0';
2015 int count, outCount, outError;
2017 if (icsPR == NoProc) return;
2020 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2021 if (outCount < count) {
2022 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 /* This is used for sending logon scripts to the ICS. Sending
2027 without a delay causes problems when using timestamp on ICC
2028 (at least on my machine). */
2030 SendToICSDelayed (char *s, long msdelay)
2032 int count, outCount, outError;
2034 if (icsPR == NoProc) return;
2037 if (appData.debugMode) {
2038 fprintf(debugFP, ">ICS: ");
2039 show_bytes(debugFP, s, count);
2040 fprintf(debugFP, "\n");
2042 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2044 if (outCount < count) {
2045 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2050 /* Remove all highlighting escape sequences in s
2051 Also deletes any suffix starting with '('
2054 StripHighlightAndTitle (char *s)
2056 static char retbuf[MSG_SIZ];
2059 while (*s != NULLCHAR) {
2060 while (*s == '\033') {
2061 while (*s != NULLCHAR && !isalpha(*s)) s++;
2062 if (*s != NULLCHAR) s++;
2064 while (*s != NULLCHAR && *s != '\033') {
2065 if (*s == '(' || *s == '[') {
2076 /* Remove all highlighting escape sequences in s */
2078 StripHighlight (char *s)
2080 static char retbuf[MSG_SIZ];
2083 while (*s != NULLCHAR) {
2084 while (*s == '\033') {
2085 while (*s != NULLCHAR && !isalpha(*s)) s++;
2086 if (*s != NULLCHAR) s++;
2088 while (*s != NULLCHAR && *s != '\033') {
2096 char engineVariant[MSG_SIZ];
2097 char *variantNames[] = VARIANT_NAMES;
2099 VariantName (VariantClass v)
2101 if(v == VariantUnknown || *engineVariant) return engineVariant;
2102 return variantNames[v];
2106 /* Identify a variant from the strings the chess servers use or the
2107 PGN Variant tag names we use. */
2109 StringToVariant (char *e)
2113 VariantClass v = VariantNormal;
2114 int i, found = FALSE;
2115 char buf[MSG_SIZ], c;
2120 /* [HGM] skip over optional board-size prefixes */
2121 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2122 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2123 while( *e++ != '_');
2126 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2130 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2131 if (p = StrCaseStr(e, variantNames[i])) {
2132 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2133 v = (VariantClass) i;
2140 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2141 || StrCaseStr(e, "wild/fr")
2142 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2143 v = VariantFischeRandom;
2144 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2145 (i = 1, p = StrCaseStr(e, "w"))) {
2147 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2154 case 0: /* FICS only, actually */
2156 /* Castling legal even if K starts on d-file */
2157 v = VariantWildCastle;
2162 /* Castling illegal even if K & R happen to start in
2163 normal positions. */
2164 v = VariantNoCastle;
2177 /* Castling legal iff K & R start in normal positions */
2183 /* Special wilds for position setup; unclear what to do here */
2184 v = VariantLoadable;
2187 /* Bizarre ICC game */
2188 v = VariantTwoKings;
2191 v = VariantKriegspiel;
2197 v = VariantFischeRandom;
2200 v = VariantCrazyhouse;
2203 v = VariantBughouse;
2209 /* Not quite the same as FICS suicide! */
2210 v = VariantGiveaway;
2216 v = VariantShatranj;
2219 /* Temporary names for future ICC types. The name *will* change in
2220 the next xboard/WinBoard release after ICC defines it. */
2258 v = VariantCapablanca;
2261 v = VariantKnightmate;
2267 v = VariantCylinder;
2273 v = VariantCapaRandom;
2276 v = VariantBerolina;
2288 /* Found "wild" or "w" in the string but no number;
2289 must assume it's normal chess. */
2293 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2294 if( (len >= MSG_SIZ) && appData.debugMode )
2295 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2297 DisplayError(buf, 0);
2303 if (appData.debugMode) {
2304 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2305 e, wnum, VariantName(v));
2310 static int leftover_start = 0, leftover_len = 0;
2311 char star_match[STAR_MATCH_N][MSG_SIZ];
2313 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2314 advance *index beyond it, and set leftover_start to the new value of
2315 *index; else return FALSE. If pattern contains the character '*', it
2316 matches any sequence of characters not containing '\r', '\n', or the
2317 character following the '*' (if any), and the matched sequence(s) are
2318 copied into star_match.
2321 looking_at ( char *buf, int *index, char *pattern)
2323 char *bufp = &buf[*index], *patternp = pattern;
2325 char *matchp = star_match[0];
2328 if (*patternp == NULLCHAR) {
2329 *index = leftover_start = bufp - buf;
2333 if (*bufp == NULLCHAR) return FALSE;
2334 if (*patternp == '*') {
2335 if (*bufp == *(patternp + 1)) {
2337 matchp = star_match[++star_count];
2341 } else if (*bufp == '\n' || *bufp == '\r') {
2343 if (*patternp == NULLCHAR)
2348 *matchp++ = *bufp++;
2352 if (*patternp != *bufp) return FALSE;
2359 SendToPlayer (char *data, int length)
2361 int error, outCount;
2362 outCount = OutputToProcess(NoProc, data, length, &error);
2363 if (outCount < length) {
2364 DisplayFatalError(_("Error writing to display"), error, 1);
2369 PackHolding (char packed[], char *holding)
2379 switch (runlength) {
2390 sprintf(q, "%d", runlength);
2402 /* Telnet protocol requests from the front end */
2404 TelnetRequest (unsigned char ddww, unsigned char option)
2406 unsigned char msg[3];
2407 int outCount, outError;
2409 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2411 if (appData.debugMode) {
2412 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2428 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2437 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2440 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2445 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2447 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2454 if (!appData.icsActive) return;
2455 TelnetRequest(TN_DO, TN_ECHO);
2461 if (!appData.icsActive) return;
2462 TelnetRequest(TN_DONT, TN_ECHO);
2466 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2468 /* put the holdings sent to us by the server on the board holdings area */
2469 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2473 if(gameInfo.holdingsWidth < 2) return;
2474 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2475 return; // prevent overwriting by pre-board holdings
2477 if( (int)lowestPiece >= BlackPawn ) {
2480 holdingsStartRow = BOARD_HEIGHT-1;
2483 holdingsColumn = BOARD_WIDTH-1;
2484 countsColumn = BOARD_WIDTH-2;
2485 holdingsStartRow = 0;
2489 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2490 board[i][holdingsColumn] = EmptySquare;
2491 board[i][countsColumn] = (ChessSquare) 0;
2493 while( (p=*holdings++) != NULLCHAR ) {
2494 piece = CharToPiece( ToUpper(p) );
2495 if(piece == EmptySquare) continue;
2496 /*j = (int) piece - (int) WhitePawn;*/
2497 j = PieceToNumber(piece);
2498 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2499 if(j < 0) continue; /* should not happen */
2500 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2501 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2502 board[holdingsStartRow+j*direction][countsColumn]++;
2508 VariantSwitch (Board board, VariantClass newVariant)
2510 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2511 static Board oldBoard;
2513 startedFromPositionFile = FALSE;
2514 if(gameInfo.variant == newVariant) return;
2516 /* [HGM] This routine is called each time an assignment is made to
2517 * gameInfo.variant during a game, to make sure the board sizes
2518 * are set to match the new variant. If that means adding or deleting
2519 * holdings, we shift the playing board accordingly
2520 * This kludge is needed because in ICS observe mode, we get boards
2521 * of an ongoing game without knowing the variant, and learn about the
2522 * latter only later. This can be because of the move list we requested,
2523 * in which case the game history is refilled from the beginning anyway,
2524 * but also when receiving holdings of a crazyhouse game. In the latter
2525 * case we want to add those holdings to the already received position.
2529 if (appData.debugMode) {
2530 fprintf(debugFP, "Switch board from %s to %s\n",
2531 VariantName(gameInfo.variant), VariantName(newVariant));
2532 setbuf(debugFP, NULL);
2534 shuffleOpenings = 0; /* [HGM] shuffle */
2535 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2539 newWidth = 9; newHeight = 9;
2540 gameInfo.holdingsSize = 7;
2541 case VariantBughouse:
2542 case VariantCrazyhouse:
2543 newHoldingsWidth = 2; break;
2547 newHoldingsWidth = 2;
2548 gameInfo.holdingsSize = 8;
2551 case VariantCapablanca:
2552 case VariantCapaRandom:
2555 newHoldingsWidth = gameInfo.holdingsSize = 0;
2558 if(newWidth != gameInfo.boardWidth ||
2559 newHeight != gameInfo.boardHeight ||
2560 newHoldingsWidth != gameInfo.holdingsWidth ) {
2562 /* shift position to new playing area, if needed */
2563 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2564 for(i=0; i<BOARD_HEIGHT; i++)
2565 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2566 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2568 for(i=0; i<newHeight; i++) {
2569 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2570 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2572 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2573 for(i=0; i<BOARD_HEIGHT; i++)
2574 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2575 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2578 board[HOLDINGS_SET] = 0;
2579 gameInfo.boardWidth = newWidth;
2580 gameInfo.boardHeight = newHeight;
2581 gameInfo.holdingsWidth = newHoldingsWidth;
2582 gameInfo.variant = newVariant;
2583 InitDrawingSizes(-2, 0);
2584 } else gameInfo.variant = newVariant;
2585 CopyBoard(oldBoard, board); // remember correctly formatted board
2586 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2587 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2590 static int loggedOn = FALSE;
2592 /*-- Game start info cache: --*/
2594 char gs_kind[MSG_SIZ];
2595 static char player1Name[128] = "";
2596 static char player2Name[128] = "";
2597 static char cont_seq[] = "\n\\ ";
2598 static int player1Rating = -1;
2599 static int player2Rating = -1;
2600 /*----------------------------*/
2602 ColorClass curColor = ColorNormal;
2603 int suppressKibitz = 0;
2606 Boolean soughtPending = FALSE;
2607 Boolean seekGraphUp;
2608 #define MAX_SEEK_ADS 200
2610 char *seekAdList[MAX_SEEK_ADS];
2611 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2612 float tcList[MAX_SEEK_ADS];
2613 char colorList[MAX_SEEK_ADS];
2614 int nrOfSeekAds = 0;
2615 int minRating = 1010, maxRating = 2800;
2616 int hMargin = 10, vMargin = 20, h, w;
2617 extern int squareSize, lineGap;
2622 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2623 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2624 if(r < minRating+100 && r >=0 ) r = minRating+100;
2625 if(r > maxRating) r = maxRating;
2626 if(tc < 1.f) tc = 1.f;
2627 if(tc > 95.f) tc = 95.f;
2628 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2629 y = ((double)r - minRating)/(maxRating - minRating)
2630 * (h-vMargin-squareSize/8-1) + vMargin;
2631 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2632 if(strstr(seekAdList[i], " u ")) color = 1;
2633 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2634 !strstr(seekAdList[i], "bullet") &&
2635 !strstr(seekAdList[i], "blitz") &&
2636 !strstr(seekAdList[i], "standard") ) color = 2;
2637 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2638 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2642 PlotSingleSeekAd (int i)
2648 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2650 char buf[MSG_SIZ], *ext = "";
2651 VariantClass v = StringToVariant(type);
2652 if(strstr(type, "wild")) {
2653 ext = type + 4; // append wild number
2654 if(v == VariantFischeRandom) type = "chess960"; else
2655 if(v == VariantLoadable) type = "setup"; else
2656 type = VariantName(v);
2658 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2659 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2660 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2661 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2662 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2663 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2664 seekNrList[nrOfSeekAds] = nr;
2665 zList[nrOfSeekAds] = 0;
2666 seekAdList[nrOfSeekAds++] = StrSave(buf);
2667 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2672 EraseSeekDot (int i)
2674 int x = xList[i], y = yList[i], d=squareSize/4, k;
2675 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2676 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2677 // now replot every dot that overlapped
2678 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2679 int xx = xList[k], yy = yList[k];
2680 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2681 DrawSeekDot(xx, yy, colorList[k]);
2686 RemoveSeekAd (int nr)
2689 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2691 if(seekAdList[i]) free(seekAdList[i]);
2692 seekAdList[i] = seekAdList[--nrOfSeekAds];
2693 seekNrList[i] = seekNrList[nrOfSeekAds];
2694 ratingList[i] = ratingList[nrOfSeekAds];
2695 colorList[i] = colorList[nrOfSeekAds];
2696 tcList[i] = tcList[nrOfSeekAds];
2697 xList[i] = xList[nrOfSeekAds];
2698 yList[i] = yList[nrOfSeekAds];
2699 zList[i] = zList[nrOfSeekAds];
2700 seekAdList[nrOfSeekAds] = NULL;
2706 MatchSoughtLine (char *line)
2708 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2709 int nr, base, inc, u=0; char dummy;
2711 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2712 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2714 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2715 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2716 // match: compact and save the line
2717 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2727 if(!seekGraphUp) return FALSE;
2728 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2729 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2731 DrawSeekBackground(0, 0, w, h);
2732 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2733 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2734 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2735 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2737 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2740 snprintf(buf, MSG_SIZ, "%d", i);
2741 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2744 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2745 for(i=1; i<100; i+=(i<10?1:5)) {
2746 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2747 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2748 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2750 snprintf(buf, MSG_SIZ, "%d", i);
2751 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2754 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2759 SeekGraphClick (ClickType click, int x, int y, int moving)
2761 static int lastDown = 0, displayed = 0, lastSecond;
2762 if(y < 0) return FALSE;
2763 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2764 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2765 if(!seekGraphUp) return FALSE;
2766 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2767 DrawPosition(TRUE, NULL);
2770 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2771 if(click == Release || moving) return FALSE;
2773 soughtPending = TRUE;
2774 SendToICS(ics_prefix);
2775 SendToICS("sought\n"); // should this be "sought all"?
2776 } else { // issue challenge based on clicked ad
2777 int dist = 10000; int i, closest = 0, second = 0;
2778 for(i=0; i<nrOfSeekAds; i++) {
2779 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2780 if(d < dist) { dist = d; closest = i; }
2781 second += (d - zList[i] < 120); // count in-range ads
2782 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2786 second = (second > 1);
2787 if(displayed != closest || second != lastSecond) {
2788 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2789 lastSecond = second; displayed = closest;
2791 if(click == Press) {
2792 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2795 } // on press 'hit', only show info
2796 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2797 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2798 SendToICS(ics_prefix);
2800 return TRUE; // let incoming board of started game pop down the graph
2801 } else if(click == Release) { // release 'miss' is ignored
2802 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2803 if(moving == 2) { // right up-click
2804 nrOfSeekAds = 0; // refresh graph
2805 soughtPending = TRUE;
2806 SendToICS(ics_prefix);
2807 SendToICS("sought\n"); // should this be "sought all"?
2810 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2811 // press miss or release hit 'pop down' seek graph
2812 seekGraphUp = FALSE;
2813 DrawPosition(TRUE, NULL);
2819 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2821 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2822 #define STARTED_NONE 0
2823 #define STARTED_MOVES 1
2824 #define STARTED_BOARD 2
2825 #define STARTED_OBSERVE 3
2826 #define STARTED_HOLDINGS 4
2827 #define STARTED_CHATTER 5
2828 #define STARTED_COMMENT 6
2829 #define STARTED_MOVES_NOHIDE 7
2831 static int started = STARTED_NONE;
2832 static char parse[20000];
2833 static int parse_pos = 0;
2834 static char buf[BUF_SIZE + 1];
2835 static int firstTime = TRUE, intfSet = FALSE;
2836 static ColorClass prevColor = ColorNormal;
2837 static int savingComment = FALSE;
2838 static int cmatch = 0; // continuation sequence match
2845 int backup; /* [DM] For zippy color lines */
2847 char talker[MSG_SIZ]; // [HGM] chat
2848 int channel, collective=0;
2850 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2852 if (appData.debugMode) {
2854 fprintf(debugFP, "<ICS: ");
2855 show_bytes(debugFP, data, count);
2856 fprintf(debugFP, "\n");
2860 if (appData.debugMode) { int f = forwardMostMove;
2861 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2862 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2863 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2866 /* If last read ended with a partial line that we couldn't parse,
2867 prepend it to the new read and try again. */
2868 if (leftover_len > 0) {
2869 for (i=0; i<leftover_len; i++)
2870 buf[i] = buf[leftover_start + i];
2873 /* copy new characters into the buffer */
2874 bp = buf + leftover_len;
2875 buf_len=leftover_len;
2876 for (i=0; i<count; i++)
2879 if (data[i] == '\r')
2882 // join lines split by ICS?
2883 if (!appData.noJoin)
2886 Joining just consists of finding matches against the
2887 continuation sequence, and discarding that sequence
2888 if found instead of copying it. So, until a match
2889 fails, there's nothing to do since it might be the
2890 complete sequence, and thus, something we don't want
2893 if (data[i] == cont_seq[cmatch])
2896 if (cmatch == strlen(cont_seq))
2898 cmatch = 0; // complete match. just reset the counter
2901 it's possible for the ICS to not include the space
2902 at the end of the last word, making our [correct]
2903 join operation fuse two separate words. the server
2904 does this when the space occurs at the width setting.
2906 if (!buf_len || buf[buf_len-1] != ' ')
2917 match failed, so we have to copy what matched before
2918 falling through and copying this character. In reality,
2919 this will only ever be just the newline character, but
2920 it doesn't hurt to be precise.
2922 strncpy(bp, cont_seq, cmatch);
2934 buf[buf_len] = NULLCHAR;
2935 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2940 while (i < buf_len) {
2941 /* Deal with part of the TELNET option negotiation
2942 protocol. We refuse to do anything beyond the
2943 defaults, except that we allow the WILL ECHO option,
2944 which ICS uses to turn off password echoing when we are
2945 directly connected to it. We reject this option
2946 if localLineEditing mode is on (always on in xboard)
2947 and we are talking to port 23, which might be a real
2948 telnet server that will try to keep WILL ECHO on permanently.
2950 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2951 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2952 unsigned char option;
2954 switch ((unsigned char) buf[++i]) {
2956 if (appData.debugMode)
2957 fprintf(debugFP, "\n<WILL ");
2958 switch (option = (unsigned char) buf[++i]) {
2960 if (appData.debugMode)
2961 fprintf(debugFP, "ECHO ");
2962 /* Reply only if this is a change, according
2963 to the protocol rules. */
2964 if (remoteEchoOption) break;
2965 if (appData.localLineEditing &&
2966 atoi(appData.icsPort) == TN_PORT) {
2967 TelnetRequest(TN_DONT, TN_ECHO);
2970 TelnetRequest(TN_DO, TN_ECHO);
2971 remoteEchoOption = TRUE;
2975 if (appData.debugMode)
2976 fprintf(debugFP, "%d ", option);
2977 /* Whatever this is, we don't want it. */
2978 TelnetRequest(TN_DONT, option);
2983 if (appData.debugMode)
2984 fprintf(debugFP, "\n<WONT ");
2985 switch (option = (unsigned char) buf[++i]) {
2987 if (appData.debugMode)
2988 fprintf(debugFP, "ECHO ");
2989 /* Reply only if this is a change, according
2990 to the protocol rules. */
2991 if (!remoteEchoOption) break;
2993 TelnetRequest(TN_DONT, TN_ECHO);
2994 remoteEchoOption = FALSE;
2997 if (appData.debugMode)
2998 fprintf(debugFP, "%d ", (unsigned char) option);
2999 /* Whatever this is, it must already be turned
3000 off, because we never agree to turn on
3001 anything non-default, so according to the
3002 protocol rules, we don't reply. */
3007 if (appData.debugMode)
3008 fprintf(debugFP, "\n<DO ");
3009 switch (option = (unsigned char) buf[++i]) {
3011 /* Whatever this is, we refuse to do it. */
3012 if (appData.debugMode)
3013 fprintf(debugFP, "%d ", option);
3014 TelnetRequest(TN_WONT, option);
3019 if (appData.debugMode)
3020 fprintf(debugFP, "\n<DONT ");
3021 switch (option = (unsigned char) buf[++i]) {
3023 if (appData.debugMode)
3024 fprintf(debugFP, "%d ", option);
3025 /* Whatever this is, we are already not doing
3026 it, because we never agree to do anything
3027 non-default, so according to the protocol
3028 rules, we don't reply. */
3033 if (appData.debugMode)
3034 fprintf(debugFP, "\n<IAC ");
3035 /* Doubled IAC; pass it through */
3039 if (appData.debugMode)
3040 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3041 /* Drop all other telnet commands on the floor */
3044 if (oldi > next_out)
3045 SendToPlayer(&buf[next_out], oldi - next_out);
3051 /* OK, this at least will *usually* work */
3052 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3056 if (loggedOn && !intfSet) {
3057 if (ics_type == ICS_ICC) {
3058 snprintf(str, MSG_SIZ,
3059 "/set-quietly interface %s\n/set-quietly style 12\n",
3061 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3062 strcat(str, "/set-2 51 1\n/set seek 1\n");
3063 } else if (ics_type == ICS_CHESSNET) {
3064 snprintf(str, MSG_SIZ, "/style 12\n");
3066 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3067 strcat(str, programVersion);
3068 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3072 strcat(str, "$iset nohighlight 1\n");
3074 strcat(str, "$iset lock 1\n$style 12\n");
3077 NotifyFrontendLogin();
3081 if (started == STARTED_COMMENT) {
3082 /* Accumulate characters in comment */
3083 parse[parse_pos++] = buf[i];
3084 if (buf[i] == '\n') {
3085 parse[parse_pos] = NULLCHAR;
3086 if(chattingPartner>=0) {
3088 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3089 OutputChatMessage(chattingPartner, mess);
3090 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3092 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3093 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3094 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3095 OutputChatMessage(p, mess);
3099 chattingPartner = -1;
3100 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3103 if(!suppressKibitz) // [HGM] kibitz
3104 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3105 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3106 int nrDigit = 0, nrAlph = 0, j;
3107 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3108 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3109 parse[parse_pos] = NULLCHAR;
3110 // try to be smart: if it does not look like search info, it should go to
3111 // ICS interaction window after all, not to engine-output window.
3112 for(j=0; j<parse_pos; j++) { // count letters and digits
3113 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3114 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3115 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3117 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3118 int depth=0; float score;
3119 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3120 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3121 pvInfoList[forwardMostMove-1].depth = depth;
3122 pvInfoList[forwardMostMove-1].score = 100*score;
3124 OutputKibitz(suppressKibitz, parse);
3127 if(gameMode == IcsObserving) // restore original ICS messages
3128 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3129 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3131 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3132 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3133 SendToPlayer(tmp, strlen(tmp));
3135 next_out = i+1; // [HGM] suppress printing in ICS window
3137 started = STARTED_NONE;
3139 /* Don't match patterns against characters in comment */
3144 if (started == STARTED_CHATTER) {
3145 if (buf[i] != '\n') {
3146 /* Don't match patterns against characters in chatter */
3150 started = STARTED_NONE;
3151 if(suppressKibitz) next_out = i+1;
3154 /* Kludge to deal with rcmd protocol */
3155 if (firstTime && looking_at(buf, &i, "\001*")) {
3156 DisplayFatalError(&buf[1], 0, 1);
3162 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3165 if (appData.debugMode)
3166 fprintf(debugFP, "ics_type %d\n", ics_type);
3169 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3170 ics_type = ICS_FICS;
3172 if (appData.debugMode)
3173 fprintf(debugFP, "ics_type %d\n", ics_type);
3176 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3177 ics_type = ICS_CHESSNET;
3179 if (appData.debugMode)
3180 fprintf(debugFP, "ics_type %d\n", ics_type);
3185 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3186 looking_at(buf, &i, "Logging you in as \"*\"") ||
3187 looking_at(buf, &i, "will be \"*\""))) {
3188 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3192 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3194 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3195 DisplayIcsInteractionTitle(buf);
3196 have_set_title = TRUE;
3199 /* skip finger notes */
3200 if (started == STARTED_NONE &&
3201 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3202 (buf[i] == '1' && buf[i+1] == '0')) &&
3203 buf[i+2] == ':' && buf[i+3] == ' ') {
3204 started = STARTED_CHATTER;
3210 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3211 if(appData.seekGraph) {
3212 if(soughtPending && MatchSoughtLine(buf+i)) {
3213 i = strstr(buf+i, "rated") - buf;
3214 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3215 next_out = leftover_start = i;
3216 started = STARTED_CHATTER;
3217 suppressKibitz = TRUE;
3220 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3221 && looking_at(buf, &i, "* ads displayed")) {
3222 soughtPending = FALSE;
3227 if(appData.autoRefresh) {
3228 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3229 int s = (ics_type == ICS_ICC); // ICC format differs
3231 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3232 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3233 looking_at(buf, &i, "*% "); // eat prompt
3234 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3235 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3236 next_out = i; // suppress
3239 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3240 char *p = star_match[0];
3242 if(seekGraphUp) RemoveSeekAd(atoi(p));
3243 while(*p && *p++ != ' '); // next
3245 looking_at(buf, &i, "*% "); // eat prompt
3246 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3253 /* skip formula vars */
3254 if (started == STARTED_NONE &&
3255 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3256 started = STARTED_CHATTER;
3261 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3262 if (appData.autoKibitz && started == STARTED_NONE &&
3263 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3264 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3265 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3266 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3267 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3268 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3269 suppressKibitz = TRUE;
3270 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3272 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3273 && (gameMode == IcsPlayingWhite)) ||
3274 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3275 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3276 started = STARTED_CHATTER; // own kibitz we simply discard
3278 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3279 parse_pos = 0; parse[0] = NULLCHAR;
3280 savingComment = TRUE;
3281 suppressKibitz = gameMode != IcsObserving ? 2 :
3282 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3286 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3287 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3288 && atoi(star_match[0])) {
3289 // suppress the acknowledgements of our own autoKibitz
3291 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3292 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3293 SendToPlayer(star_match[0], strlen(star_match[0]));
3294 if(looking_at(buf, &i, "*% ")) // eat prompt
3295 suppressKibitz = FALSE;
3299 } // [HGM] kibitz: end of patch
3301 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3303 // [HGM] chat: intercept tells by users for which we have an open chat window
3305 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3306 looking_at(buf, &i, "* whispers:") ||
3307 looking_at(buf, &i, "* kibitzes:") ||
3308 looking_at(buf, &i, "* shouts:") ||
3309 looking_at(buf, &i, "* c-shouts:") ||
3310 looking_at(buf, &i, "--> * ") ||
3311 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3312 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3313 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3314 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3316 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3317 chattingPartner = -1; collective = 0;
3319 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3320 for(p=0; p<MAX_CHAT; p++) {
3322 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3323 talker[0] = '['; strcat(talker, "] ");
3324 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3325 chattingPartner = p; break;
3328 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3329 for(p=0; p<MAX_CHAT; p++) {
3331 if(!strcmp("kibitzes", chatPartner[p])) {
3332 talker[0] = '['; strcat(talker, "] ");
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("whispers", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3345 if(buf[i-8] == '-' && buf[i-3] == 't')
3346 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3348 if(!strcmp("c-shouts", chatPartner[p])) {
3349 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3350 chattingPartner = p; break;
3353 if(chattingPartner < 0)
3354 for(p=0; p<MAX_CHAT; p++) {
3356 if(!strcmp("shouts", chatPartner[p])) {
3357 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3358 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3359 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3360 chattingPartner = p; break;
3364 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3365 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3367 Colorize(ColorTell, FALSE);
3368 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3370 chattingPartner = p; break;
3372 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3373 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3374 started = STARTED_COMMENT;
3375 parse_pos = 0; parse[0] = NULLCHAR;
3376 savingComment = 3 + chattingPartner; // counts as TRUE
3377 if(collective == 3) i = oldi; else {
3378 suppressKibitz = TRUE;
3379 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3380 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3384 } // [HGM] chat: end of patch
3387 if (appData.zippyTalk || appData.zippyPlay) {
3388 /* [DM] Backup address for color zippy lines */
3390 if (loggedOn == TRUE)
3391 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3392 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3394 } // [DM] 'else { ' deleted
3396 /* Regular tells and says */
3397 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3398 looking_at(buf, &i, "* (your partner) tells you: ") ||
3399 looking_at(buf, &i, "* says: ") ||
3400 /* Don't color "message" or "messages" output */
3401 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3402 looking_at(buf, &i, "*. * at *:*: ") ||
3403 looking_at(buf, &i, "--* (*:*): ") ||
3404 /* Message notifications (same color as tells) */
3405 looking_at(buf, &i, "* has left a message ") ||
3406 looking_at(buf, &i, "* just sent you a message:\n") ||
3407 /* Whispers and kibitzes */
3408 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3409 looking_at(buf, &i, "* kibitzes: ") ||
3411 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3413 if (tkind == 1 && strchr(star_match[0], ':')) {
3414 /* Avoid "tells you:" spoofs in channels */
3417 if (star_match[0][0] == NULLCHAR ||
3418 strchr(star_match[0], ' ') ||
3419 (tkind == 3 && strchr(star_match[1], ' '))) {
3420 /* Reject bogus matches */
3423 if (appData.colorize) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3430 Colorize(ColorTell, FALSE);
3431 curColor = ColorTell;
3434 Colorize(ColorKibitz, FALSE);
3435 curColor = ColorKibitz;
3438 p = strrchr(star_match[1], '(');
3445 Colorize(ColorChannel1, FALSE);
3446 curColor = ColorChannel1;
3448 Colorize(ColorChannel, FALSE);
3449 curColor = ColorChannel;
3453 curColor = ColorNormal;
3457 if (started == STARTED_NONE && appData.autoComment &&
3458 (gameMode == IcsObserving ||
3459 gameMode == IcsPlayingWhite ||
3460 gameMode == IcsPlayingBlack)) {
3461 parse_pos = i - oldi;
3462 memcpy(parse, &buf[oldi], parse_pos);
3463 parse[parse_pos] = NULLCHAR;
3464 started = STARTED_COMMENT;
3465 savingComment = TRUE;
3466 } else if(collective != 3) {
3467 started = STARTED_CHATTER;
3468 savingComment = FALSE;
3475 if (looking_at(buf, &i, "* s-shouts: ") ||
3476 looking_at(buf, &i, "* c-shouts: ")) {
3477 if (appData.colorize) {
3478 if (oldi > next_out) {
3479 SendToPlayer(&buf[next_out], oldi - next_out);
3482 Colorize(ColorSShout, FALSE);
3483 curColor = ColorSShout;
3486 started = STARTED_CHATTER;
3490 if (looking_at(buf, &i, "--->")) {
3495 if (looking_at(buf, &i, "* shouts: ") ||
3496 looking_at(buf, &i, "--> ")) {
3497 if (appData.colorize) {
3498 if (oldi > next_out) {
3499 SendToPlayer(&buf[next_out], oldi - next_out);
3502 Colorize(ColorShout, FALSE);
3503 curColor = ColorShout;
3506 started = STARTED_CHATTER;
3510 if (looking_at( buf, &i, "Challenge:")) {
3511 if (appData.colorize) {
3512 if (oldi > next_out) {
3513 SendToPlayer(&buf[next_out], oldi - next_out);
3516 Colorize(ColorChallenge, FALSE);
3517 curColor = ColorChallenge;
3523 if (looking_at(buf, &i, "* offers you") ||
3524 looking_at(buf, &i, "* offers to be") ||
3525 looking_at(buf, &i, "* would like to") ||
3526 looking_at(buf, &i, "* requests to") ||
3527 looking_at(buf, &i, "Your opponent offers") ||
3528 looking_at(buf, &i, "Your opponent requests")) {
3530 if (appData.colorize) {
3531 if (oldi > next_out) {
3532 SendToPlayer(&buf[next_out], oldi - next_out);
3535 Colorize(ColorRequest, FALSE);
3536 curColor = ColorRequest;
3541 if (looking_at(buf, &i, "* (*) seeking")) {
3542 if (appData.colorize) {
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 Colorize(ColorSeek, FALSE);
3548 curColor = ColorSeek;
3553 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3555 if (looking_at(buf, &i, "\\ ")) {
3556 if (prevColor != ColorNormal) {
3557 if (oldi > next_out) {
3558 SendToPlayer(&buf[next_out], oldi - next_out);
3561 Colorize(prevColor, TRUE);
3562 curColor = prevColor;
3564 if (savingComment) {
3565 parse_pos = i - oldi;
3566 memcpy(parse, &buf[oldi], parse_pos);
3567 parse[parse_pos] = NULLCHAR;
3568 started = STARTED_COMMENT;
3569 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3570 chattingPartner = savingComment - 3; // kludge to remember the box
3572 started = STARTED_CHATTER;
3577 if (looking_at(buf, &i, "Black Strength :") ||
3578 looking_at(buf, &i, "<<< style 10 board >>>") ||
3579 looking_at(buf, &i, "<10>") ||
3580 looking_at(buf, &i, "#@#")) {
3581 /* Wrong board style */
3583 SendToICS(ics_prefix);
3584 SendToICS("set style 12\n");
3585 SendToICS(ics_prefix);
3586 SendToICS("refresh\n");
3590 if (looking_at(buf, &i, "login:")) {
3591 if (!have_sent_ICS_logon) {
3593 have_sent_ICS_logon = 1;
3594 else // no init script was found
3595 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3596 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3597 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3602 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3603 (looking_at(buf, &i, "\n<12> ") ||
3604 looking_at(buf, &i, "<12> "))) {
3606 if (oldi > next_out) {
3607 SendToPlayer(&buf[next_out], oldi - next_out);
3610 started = STARTED_BOARD;
3615 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3616 looking_at(buf, &i, "<b1> ")) {
3617 if (oldi > next_out) {
3618 SendToPlayer(&buf[next_out], oldi - next_out);
3621 started = STARTED_HOLDINGS;
3626 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3628 /* Header for a move list -- first line */
3630 switch (ics_getting_history) {
3634 case BeginningOfGame:
3635 /* User typed "moves" or "oldmoves" while we
3636 were idle. Pretend we asked for these
3637 moves and soak them up so user can step
3638 through them and/or save them.
3641 gameMode = IcsObserving;
3644 ics_getting_history = H_GOT_UNREQ_HEADER;
3646 case EditGame: /*?*/
3647 case EditPosition: /*?*/
3648 /* Should above feature work in these modes too? */
3649 /* For now it doesn't */
3650 ics_getting_history = H_GOT_UNWANTED_HEADER;
3653 ics_getting_history = H_GOT_UNWANTED_HEADER;
3658 /* Is this the right one? */
3659 if (gameInfo.white && gameInfo.black &&
3660 strcmp(gameInfo.white, star_match[0]) == 0 &&
3661 strcmp(gameInfo.black, star_match[2]) == 0) {
3663 ics_getting_history = H_GOT_REQ_HEADER;
3666 case H_GOT_REQ_HEADER:
3667 case H_GOT_UNREQ_HEADER:
3668 case H_GOT_UNWANTED_HEADER:
3669 case H_GETTING_MOVES:
3670 /* Should not happen */
3671 DisplayError(_("Error gathering move list: two headers"), 0);
3672 ics_getting_history = H_FALSE;
3676 /* Save player ratings into gameInfo if needed */
3677 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3678 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3679 (gameInfo.whiteRating == -1 ||
3680 gameInfo.blackRating == -1)) {
3682 gameInfo.whiteRating = string_to_rating(star_match[1]);
3683 gameInfo.blackRating = string_to_rating(star_match[3]);
3684 if (appData.debugMode)
3685 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3686 gameInfo.whiteRating, gameInfo.blackRating);
3691 if (looking_at(buf, &i,
3692 "* * match, initial time: * minute*, increment: * second")) {
3693 /* Header for a move list -- second line */
3694 /* Initial board will follow if this is a wild game */
3695 if (gameInfo.event != NULL) free(gameInfo.event);
3696 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3697 gameInfo.event = StrSave(str);
3698 /* [HGM] we switched variant. Translate boards if needed. */
3699 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3703 if (looking_at(buf, &i, "Move ")) {
3704 /* Beginning of a move list */
3705 switch (ics_getting_history) {
3707 /* Normally should not happen */
3708 /* Maybe user hit reset while we were parsing */
3711 /* Happens if we are ignoring a move list that is not
3712 * the one we just requested. Common if the user
3713 * tries to observe two games without turning off
3716 case H_GETTING_MOVES:
3717 /* Should not happen */
3718 DisplayError(_("Error gathering move list: nested"), 0);
3719 ics_getting_history = H_FALSE;
3721 case H_GOT_REQ_HEADER:
3722 ics_getting_history = H_GETTING_MOVES;
3723 started = STARTED_MOVES;
3725 if (oldi > next_out) {
3726 SendToPlayer(&buf[next_out], oldi - next_out);
3729 case H_GOT_UNREQ_HEADER:
3730 ics_getting_history = H_GETTING_MOVES;
3731 started = STARTED_MOVES_NOHIDE;
3734 case H_GOT_UNWANTED_HEADER:
3735 ics_getting_history = H_FALSE;
3741 if (looking_at(buf, &i, "% ") ||
3742 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3743 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3744 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3745 soughtPending = FALSE;
3749 if(suppressKibitz) next_out = i;
3750 savingComment = FALSE;
3754 case STARTED_MOVES_NOHIDE:
3755 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3756 parse[parse_pos + i - oldi] = NULLCHAR;
3757 ParseGameHistory(parse);
3759 if (appData.zippyPlay && first.initDone) {
3760 FeedMovesToProgram(&first, forwardMostMove);
3761 if (gameMode == IcsPlayingWhite) {
3762 if (WhiteOnMove(forwardMostMove)) {
3763 if (first.sendTime) {
3764 if (first.useColors) {
3765 SendToProgram("black\n", &first);
3767 SendTimeRemaining(&first, TRUE);
3769 if (first.useColors) {
3770 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3772 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3773 first.maybeThinking = TRUE;
3775 if (first.usePlayother) {
3776 if (first.sendTime) {
3777 SendTimeRemaining(&first, TRUE);
3779 SendToProgram("playother\n", &first);
3785 } else if (gameMode == IcsPlayingBlack) {
3786 if (!WhiteOnMove(forwardMostMove)) {
3787 if (first.sendTime) {
3788 if (first.useColors) {
3789 SendToProgram("white\n", &first);
3791 SendTimeRemaining(&first, FALSE);
3793 if (first.useColors) {
3794 SendToProgram("black\n", &first);
3796 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3797 first.maybeThinking = TRUE;
3799 if (first.usePlayother) {
3800 if (first.sendTime) {
3801 SendTimeRemaining(&first, FALSE);
3803 SendToProgram("playother\n", &first);
3812 if (gameMode == IcsObserving && ics_gamenum == -1) {
3813 /* Moves came from oldmoves or moves command
3814 while we weren't doing anything else.
3816 currentMove = forwardMostMove;
3817 ClearHighlights();/*!!could figure this out*/
3818 flipView = appData.flipView;
3819 DrawPosition(TRUE, boards[currentMove]);
3820 DisplayBothClocks();
3821 snprintf(str, MSG_SIZ, "%s %s %s",
3822 gameInfo.white, _("vs."), gameInfo.black);
3826 /* Moves were history of an active game */
3827 if (gameInfo.resultDetails != NULL) {
3828 free(gameInfo.resultDetails);
3829 gameInfo.resultDetails = NULL;
3832 HistorySet(parseList, backwardMostMove,
3833 forwardMostMove, currentMove-1);
3834 DisplayMove(currentMove - 1);
3835 if (started == STARTED_MOVES) next_out = i;
3836 started = STARTED_NONE;
3837 ics_getting_history = H_FALSE;
3840 case STARTED_OBSERVE:
3841 started = STARTED_NONE;
3842 SendToICS(ics_prefix);
3843 SendToICS("refresh\n");
3849 if(bookHit) { // [HGM] book: simulate book reply
3850 static char bookMove[MSG_SIZ]; // a bit generous?
3852 programStats.nodes = programStats.depth = programStats.time =
3853 programStats.score = programStats.got_only_move = 0;
3854 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3856 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3857 strcat(bookMove, bookHit);
3858 HandleMachineMove(bookMove, &first);
3863 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3864 started == STARTED_HOLDINGS ||
3865 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3866 /* Accumulate characters in move list or board */
3867 parse[parse_pos++] = buf[i];
3870 /* Start of game messages. Mostly we detect start of game
3871 when the first board image arrives. On some versions
3872 of the ICS, though, we need to do a "refresh" after starting
3873 to observe in order to get the current board right away. */
3874 if (looking_at(buf, &i, "Adding game * to observation list")) {
3875 started = STARTED_OBSERVE;
3879 /* Handle auto-observe */
3880 if (appData.autoObserve &&
3881 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3882 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3884 /* Choose the player that was highlighted, if any. */
3885 if (star_match[0][0] == '\033' ||
3886 star_match[1][0] != '\033') {
3887 player = star_match[0];
3889 player = star_match[2];
3891 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3892 ics_prefix, StripHighlightAndTitle(player));
3895 /* Save ratings from notify string */
3896 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3897 player1Rating = string_to_rating(star_match[1]);
3898 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3899 player2Rating = string_to_rating(star_match[3]);
3901 if (appData.debugMode)
3903 "Ratings from 'Game notification:' %s %d, %s %d\n",
3904 player1Name, player1Rating,
3905 player2Name, player2Rating);
3910 /* Deal with automatic examine mode after a game,
3911 and with IcsObserving -> IcsExamining transition */
3912 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3913 looking_at(buf, &i, "has made you an examiner of game *")) {
3915 int gamenum = atoi(star_match[0]);
3916 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3917 gamenum == ics_gamenum) {
3918 /* We were already playing or observing this game;
3919 no need to refetch history */
3920 gameMode = IcsExamining;
3922 pauseExamForwardMostMove = forwardMostMove;
3923 } else if (currentMove < forwardMostMove) {
3924 ForwardInner(forwardMostMove);
3927 /* I don't think this case really can happen */
3928 SendToICS(ics_prefix);
3929 SendToICS("refresh\n");
3934 /* Error messages */
3935 // if (ics_user_moved) {
3936 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3937 if (looking_at(buf, &i, "Illegal move") ||
3938 looking_at(buf, &i, "Not a legal move") ||
3939 looking_at(buf, &i, "Your king is in check") ||
3940 looking_at(buf, &i, "It isn't your turn") ||
3941 looking_at(buf, &i, "It is not your move")) {
3943 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3944 currentMove = forwardMostMove-1;
3945 DisplayMove(currentMove - 1); /* before DMError */
3946 DrawPosition(FALSE, boards[currentMove]);
3947 SwitchClocks(forwardMostMove-1); // [HGM] race
3948 DisplayBothClocks();
3950 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3956 if (looking_at(buf, &i, "still have time") ||
3957 looking_at(buf, &i, "not out of time") ||
3958 looking_at(buf, &i, "either player is out of time") ||
3959 looking_at(buf, &i, "has timeseal; checking")) {
3960 /* We must have called his flag a little too soon */
3961 whiteFlag = blackFlag = FALSE;
3965 if (looking_at(buf, &i, "added * seconds to") ||
3966 looking_at(buf, &i, "seconds were added to")) {
3967 /* Update the clocks */
3968 SendToICS(ics_prefix);
3969 SendToICS("refresh\n");
3973 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3974 ics_clock_paused = TRUE;
3979 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3980 ics_clock_paused = FALSE;
3985 /* Grab player ratings from the Creating: message.
3986 Note we have to check for the special case when
3987 the ICS inserts things like [white] or [black]. */
3988 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3989 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3991 0 player 1 name (not necessarily white)
3993 2 empty, white, or black (IGNORED)
3994 3 player 2 name (not necessarily black)
3997 The names/ratings are sorted out when the game
3998 actually starts (below).
4000 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4001 player1Rating = string_to_rating(star_match[1]);
4002 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4003 player2Rating = string_to_rating(star_match[4]);
4005 if (appData.debugMode)
4007 "Ratings from 'Creating:' %s %d, %s %d\n",
4008 player1Name, player1Rating,
4009 player2Name, player2Rating);
4014 /* Improved generic start/end-of-game messages */
4015 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4016 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4017 /* If tkind == 0: */
4018 /* star_match[0] is the game number */
4019 /* [1] is the white player's name */
4020 /* [2] is the black player's name */
4021 /* For end-of-game: */
4022 /* [3] is the reason for the game end */
4023 /* [4] is a PGN end game-token, preceded by " " */
4024 /* For start-of-game: */
4025 /* [3] begins with "Creating" or "Continuing" */
4026 /* [4] is " *" or empty (don't care). */
4027 int gamenum = atoi(star_match[0]);
4028 char *whitename, *blackname, *why, *endtoken;
4029 ChessMove endtype = EndOfFile;
4032 whitename = star_match[1];
4033 blackname = star_match[2];
4034 why = star_match[3];
4035 endtoken = star_match[4];
4037 whitename = star_match[1];
4038 blackname = star_match[3];
4039 why = star_match[5];
4040 endtoken = star_match[6];
4043 /* Game start messages */
4044 if (strncmp(why, "Creating ", 9) == 0 ||
4045 strncmp(why, "Continuing ", 11) == 0) {
4046 gs_gamenum = gamenum;
4047 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4048 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4049 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4051 if (appData.zippyPlay) {
4052 ZippyGameStart(whitename, blackname);
4055 partnerBoardValid = FALSE; // [HGM] bughouse
4059 /* Game end messages */
4060 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4061 ics_gamenum != gamenum) {
4064 while (endtoken[0] == ' ') endtoken++;
4065 switch (endtoken[0]) {
4068 endtype = GameUnfinished;
4071 endtype = BlackWins;
4074 if (endtoken[1] == '/')
4075 endtype = GameIsDrawn;
4077 endtype = WhiteWins;
4080 GameEnds(endtype, why, GE_ICS);
4082 if (appData.zippyPlay && first.initDone) {
4083 ZippyGameEnd(endtype, why);
4084 if (first.pr == NoProc) {
4085 /* Start the next process early so that we'll
4086 be ready for the next challenge */
4087 StartChessProgram(&first);
4089 /* Send "new" early, in case this command takes
4090 a long time to finish, so that we'll be ready
4091 for the next challenge. */
4092 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4096 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4100 if (looking_at(buf, &i, "Removing game * from observation") ||
4101 looking_at(buf, &i, "no longer observing game *") ||
4102 looking_at(buf, &i, "Game * (*) has no examiners")) {
4103 if (gameMode == IcsObserving &&
4104 atoi(star_match[0]) == ics_gamenum)
4106 /* icsEngineAnalyze */
4107 if (appData.icsEngineAnalyze) {
4114 ics_user_moved = FALSE;
4119 if (looking_at(buf, &i, "no longer examining game *")) {
4120 if (gameMode == IcsExamining &&
4121 atoi(star_match[0]) == ics_gamenum)
4125 ics_user_moved = FALSE;
4130 /* Advance leftover_start past any newlines we find,
4131 so only partial lines can get reparsed */
4132 if (looking_at(buf, &i, "\n")) {
4133 prevColor = curColor;
4134 if (curColor != ColorNormal) {
4135 if (oldi > next_out) {
4136 SendToPlayer(&buf[next_out], oldi - next_out);
4139 Colorize(ColorNormal, FALSE);
4140 curColor = ColorNormal;
4142 if (started == STARTED_BOARD) {
4143 started = STARTED_NONE;
4144 parse[parse_pos] = NULLCHAR;
4145 ParseBoard12(parse);
4148 /* Send premove here */
4149 if (appData.premove) {
4151 if (currentMove == 0 &&
4152 gameMode == IcsPlayingWhite &&
4153 appData.premoveWhite) {
4154 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4155 if (appData.debugMode)
4156 fprintf(debugFP, "Sending premove:\n");
4158 } else if (currentMove == 1 &&
4159 gameMode == IcsPlayingBlack &&
4160 appData.premoveBlack) {
4161 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4162 if (appData.debugMode)
4163 fprintf(debugFP, "Sending premove:\n");
4165 } else if (gotPremove) {
4167 ClearPremoveHighlights();
4168 if (appData.debugMode)
4169 fprintf(debugFP, "Sending premove:\n");
4170 UserMoveEvent(premoveFromX, premoveFromY,
4171 premoveToX, premoveToY,
4176 /* Usually suppress following prompt */
4177 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4178 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4179 if (looking_at(buf, &i, "*% ")) {
4180 savingComment = FALSE;
4185 } else if (started == STARTED_HOLDINGS) {
4187 char new_piece[MSG_SIZ];
4188 started = STARTED_NONE;
4189 parse[parse_pos] = NULLCHAR;
4190 if (appData.debugMode)
4191 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4192 parse, currentMove);
4193 if (sscanf(parse, " game %d", &gamenum) == 1) {
4194 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4195 if (gameInfo.variant == VariantNormal) {
4196 /* [HGM] We seem to switch variant during a game!
4197 * Presumably no holdings were displayed, so we have
4198 * to move the position two files to the right to
4199 * create room for them!
4201 VariantClass newVariant;
4202 switch(gameInfo.boardWidth) { // base guess on board width
4203 case 9: newVariant = VariantShogi; break;
4204 case 10: newVariant = VariantGreat; break;
4205 default: newVariant = VariantCrazyhouse; break;
4207 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4208 /* Get a move list just to see the header, which
4209 will tell us whether this is really bug or zh */
4210 if (ics_getting_history == H_FALSE) {
4211 ics_getting_history = H_REQUESTED;
4212 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4216 new_piece[0] = NULLCHAR;
4217 sscanf(parse, "game %d white [%s black [%s <- %s",
4218 &gamenum, white_holding, black_holding,
4220 white_holding[strlen(white_holding)-1] = NULLCHAR;
4221 black_holding[strlen(black_holding)-1] = NULLCHAR;
4222 /* [HGM] copy holdings to board holdings area */
4223 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4224 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4225 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4227 if (appData.zippyPlay && first.initDone) {
4228 ZippyHoldings(white_holding, black_holding,
4232 if (tinyLayout || smallLayout) {
4233 char wh[16], bh[16];
4234 PackHolding(wh, white_holding);
4235 PackHolding(bh, black_holding);
4236 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4237 gameInfo.white, gameInfo.black);
4239 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4240 gameInfo.white, white_holding, _("vs."),
4241 gameInfo.black, black_holding);
4243 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4244 DrawPosition(FALSE, boards[currentMove]);
4246 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4247 sscanf(parse, "game %d white [%s black [%s <- %s",
4248 &gamenum, white_holding, black_holding,
4250 white_holding[strlen(white_holding)-1] = NULLCHAR;
4251 black_holding[strlen(black_holding)-1] = NULLCHAR;
4252 /* [HGM] copy holdings to partner-board holdings area */
4253 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4254 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4255 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4256 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4257 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4260 /* Suppress following prompt */
4261 if (looking_at(buf, &i, "*% ")) {
4262 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4263 savingComment = FALSE;
4271 i++; /* skip unparsed character and loop back */
4274 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4275 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4276 // SendToPlayer(&buf[next_out], i - next_out);
4277 started != STARTED_HOLDINGS && leftover_start > next_out) {
4278 SendToPlayer(&buf[next_out], leftover_start - next_out);
4282 leftover_len = buf_len - leftover_start;
4283 /* if buffer ends with something we couldn't parse,
4284 reparse it after appending the next read */
4286 } else if (count == 0) {
4287 RemoveInputSource(isr);
4288 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4290 DisplayFatalError(_("Error reading from ICS"), error, 1);
4295 /* Board style 12 looks like this:
4297 <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
4299 * The "<12> " is stripped before it gets to this routine. The two
4300 * trailing 0's (flip state and clock ticking) are later addition, and
4301 * some chess servers may not have them, or may have only the first.
4302 * Additional trailing fields may be added in the future.
4305 #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"
4307 #define RELATION_OBSERVING_PLAYED 0
4308 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4309 #define RELATION_PLAYING_MYMOVE 1
4310 #define RELATION_PLAYING_NOTMYMOVE -1
4311 #define RELATION_EXAMINING 2
4312 #define RELATION_ISOLATED_BOARD -3
4313 #define RELATION_STARTING_POSITION -4 /* FICS only */
4316 ParseBoard12 (char *string)
4320 char *bookHit = NULL; // [HGM] book
4322 GameMode newGameMode;
4323 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4324 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4325 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4326 char to_play, board_chars[200];
4327 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4328 char black[32], white[32];
4330 int prevMove = currentMove;
4333 int fromX, fromY, toX, toY;
4335 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4336 Boolean weird = FALSE, reqFlag = FALSE;
4338 fromX = fromY = toX = toY = -1;
4342 if (appData.debugMode)
4343 fprintf(debugFP, "Parsing board: %s\n", string);
4345 move_str[0] = NULLCHAR;
4346 elapsed_time[0] = NULLCHAR;
4347 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4349 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4350 if(string[i] == ' ') { ranks++; files = 0; }
4352 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4355 for(j = 0; j <i; j++) board_chars[j] = string[j];
4356 board_chars[i] = '\0';
4359 n = sscanf(string, PATTERN, &to_play, &double_push,
4360 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4361 &gamenum, white, black, &relation, &basetime, &increment,
4362 &white_stren, &black_stren, &white_time, &black_time,
4363 &moveNum, str, elapsed_time, move_str, &ics_flip,
4367 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4368 DisplayError(str, 0);
4372 /* Convert the move number to internal form */
4373 moveNum = (moveNum - 1) * 2;
4374 if (to_play == 'B') moveNum++;
4375 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4376 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4382 case RELATION_OBSERVING_PLAYED:
4383 case RELATION_OBSERVING_STATIC:
4384 if (gamenum == -1) {
4385 /* Old ICC buglet */
4386 relation = RELATION_OBSERVING_STATIC;
4388 newGameMode = IcsObserving;
4390 case RELATION_PLAYING_MYMOVE:
4391 case RELATION_PLAYING_NOTMYMOVE:
4393 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4394 IcsPlayingWhite : IcsPlayingBlack;
4395 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4397 case RELATION_EXAMINING:
4398 newGameMode = IcsExamining;
4400 case RELATION_ISOLATED_BOARD:
4402 /* Just display this board. If user was doing something else,
4403 we will forget about it until the next board comes. */
4404 newGameMode = IcsIdle;
4406 case RELATION_STARTING_POSITION:
4407 newGameMode = gameMode;
4411 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4412 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4413 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4414 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4415 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4416 static int lastBgGame = -1;
4418 for (k = 0; k < ranks; k++) {
4419 for (j = 0; j < files; j++)
4420 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4421 if(gameInfo.holdingsWidth > 1) {
4422 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4423 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4426 CopyBoard(partnerBoard, board);
4427 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4428 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4429 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4430 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4431 if(toSqr = strchr(str, '-')) {
4432 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4433 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4434 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4435 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4436 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4437 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4439 DisplayWhiteClock(white_time*fac, to_play == 'W');
4440 DisplayBlackClock(black_time*fac, to_play != 'W');
4441 activePartner = to_play;
4442 if(gamenum != lastBgGame) {
4444 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4447 lastBgGame = gamenum;
4448 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4449 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4450 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4451 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4452 if(!twoBoards) DisplayMessage(partnerStatus, "");
4453 partnerBoardValid = TRUE;
4457 if(appData.dualBoard && appData.bgObserve) {
4458 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4459 SendToICS(ics_prefix), SendToICS("pobserve\n");
4460 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4462 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4467 /* Modify behavior for initial board display on move listing
4470 switch (ics_getting_history) {
4474 case H_GOT_REQ_HEADER:
4475 case H_GOT_UNREQ_HEADER:
4476 /* This is the initial position of the current game */
4477 gamenum = ics_gamenum;
4478 moveNum = 0; /* old ICS bug workaround */
4479 if (to_play == 'B') {
4480 startedFromSetupPosition = TRUE;
4481 blackPlaysFirst = TRUE;
4483 if (forwardMostMove == 0) forwardMostMove = 1;
4484 if (backwardMostMove == 0) backwardMostMove = 1;
4485 if (currentMove == 0) currentMove = 1;
4487 newGameMode = gameMode;
4488 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4490 case H_GOT_UNWANTED_HEADER:
4491 /* This is an initial board that we don't want */
4493 case H_GETTING_MOVES:
4494 /* Should not happen */
4495 DisplayError(_("Error gathering move list: extra board"), 0);
4496 ics_getting_history = H_FALSE;
4500 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4501 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4502 weird && (int)gameInfo.variant < (int)VariantShogi) {
4503 /* [HGM] We seem to have switched variant unexpectedly
4504 * Try to guess new variant from board size
4506 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4507 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4508 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4509 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4510 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4511 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4512 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4513 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4514 /* Get a move list just to see the header, which
4515 will tell us whether this is really bug or zh */
4516 if (ics_getting_history == H_FALSE) {
4517 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4518 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4523 /* Take action if this is the first board of a new game, or of a
4524 different game than is currently being displayed. */
4525 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4526 relation == RELATION_ISOLATED_BOARD) {
4528 /* Forget the old game and get the history (if any) of the new one */
4529 if (gameMode != BeginningOfGame) {
4533 if (appData.autoRaiseBoard) BoardToTop();
4535 if (gamenum == -1) {
4536 newGameMode = IcsIdle;
4537 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4538 appData.getMoveList && !reqFlag) {
4539 /* Need to get game history */
4540 ics_getting_history = H_REQUESTED;
4541 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4545 /* Initially flip the board to have black on the bottom if playing
4546 black or if the ICS flip flag is set, but let the user change
4547 it with the Flip View button. */
4548 flipView = appData.autoFlipView ?
4549 (newGameMode == IcsPlayingBlack) || ics_flip :
4552 /* Done with values from previous mode; copy in new ones */
4553 gameMode = newGameMode;
4555 ics_gamenum = gamenum;
4556 if (gamenum == gs_gamenum) {
4557 int klen = strlen(gs_kind);
4558 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4559 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4560 gameInfo.event = StrSave(str);
4562 gameInfo.event = StrSave("ICS game");
4564 gameInfo.site = StrSave(appData.icsHost);
4565 gameInfo.date = PGNDate();
4566 gameInfo.round = StrSave("-");
4567 gameInfo.white = StrSave(white);
4568 gameInfo.black = StrSave(black);
4569 timeControl = basetime * 60 * 1000;
4571 timeIncrement = increment * 1000;
4572 movesPerSession = 0;
4573 gameInfo.timeControl = TimeControlTagValue();
4574 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4575 if (appData.debugMode) {
4576 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4577 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4578 setbuf(debugFP, NULL);
4581 gameInfo.outOfBook = NULL;
4583 /* Do we have the ratings? */
4584 if (strcmp(player1Name, white) == 0 &&
4585 strcmp(player2Name, black) == 0) {
4586 if (appData.debugMode)
4587 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4588 player1Rating, player2Rating);
4589 gameInfo.whiteRating = player1Rating;
4590 gameInfo.blackRating = player2Rating;
4591 } else if (strcmp(player2Name, white) == 0 &&
4592 strcmp(player1Name, black) == 0) {
4593 if (appData.debugMode)
4594 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4595 player2Rating, player1Rating);
4596 gameInfo.whiteRating = player2Rating;
4597 gameInfo.blackRating = player1Rating;
4599 player1Name[0] = player2Name[0] = NULLCHAR;
4601 /* Silence shouts if requested */
4602 if (appData.quietPlay &&
4603 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4604 SendToICS(ics_prefix);
4605 SendToICS("set shout 0\n");
4609 /* Deal with midgame name changes */
4611 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4612 if (gameInfo.white) free(gameInfo.white);
4613 gameInfo.white = StrSave(white);
4615 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4616 if (gameInfo.black) free(gameInfo.black);
4617 gameInfo.black = StrSave(black);
4621 /* Throw away game result if anything actually changes in examine mode */
4622 if (gameMode == IcsExamining && !newGame) {
4623 gameInfo.result = GameUnfinished;
4624 if (gameInfo.resultDetails != NULL) {
4625 free(gameInfo.resultDetails);
4626 gameInfo.resultDetails = NULL;
4630 /* In pausing && IcsExamining mode, we ignore boards coming
4631 in if they are in a different variation than we are. */
4632 if (pauseExamInvalid) return;
4633 if (pausing && gameMode == IcsExamining) {
4634 if (moveNum <= pauseExamForwardMostMove) {
4635 pauseExamInvalid = TRUE;
4636 forwardMostMove = pauseExamForwardMostMove;
4641 if (appData.debugMode) {
4642 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4644 /* Parse the board */
4645 for (k = 0; k < ranks; k++) {
4646 for (j = 0; j < files; j++)
4647 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4648 if(gameInfo.holdingsWidth > 1) {
4649 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4650 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4653 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4654 board[5][BOARD_RGHT+1] = WhiteAngel;
4655 board[6][BOARD_RGHT+1] = WhiteMarshall;
4656 board[1][0] = BlackMarshall;
4657 board[2][0] = BlackAngel;
4658 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4660 CopyBoard(boards[moveNum], board);
4661 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4663 startedFromSetupPosition =
4664 !CompareBoards(board, initialPosition);
4665 if(startedFromSetupPosition)
4666 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4669 /* [HGM] Set castling rights. Take the outermost Rooks,
4670 to make it also work for FRC opening positions. Note that board12
4671 is really defective for later FRC positions, as it has no way to
4672 indicate which Rook can castle if they are on the same side of King.
4673 For the initial position we grant rights to the outermost Rooks,
4674 and remember thos rights, and we then copy them on positions
4675 later in an FRC game. This means WB might not recognize castlings with
4676 Rooks that have moved back to their original position as illegal,
4677 but in ICS mode that is not its job anyway.
4679 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4680 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4682 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4683 if(board[0][i] == WhiteRook) j = i;
4684 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4685 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4686 if(board[0][i] == WhiteRook) j = i;
4687 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4688 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4689 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4690 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4691 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4692 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4693 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4695 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4696 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4697 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4698 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4699 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4700 if(board[BOARD_HEIGHT-1][k] == bKing)
4701 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4702 if(gameInfo.variant == VariantTwoKings) {
4703 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4704 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4705 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4708 r = boards[moveNum][CASTLING][0] = initialRights[0];
4709 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4710 r = boards[moveNum][CASTLING][1] = initialRights[1];
4711 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4712 r = boards[moveNum][CASTLING][3] = initialRights[3];
4713 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4714 r = boards[moveNum][CASTLING][4] = initialRights[4];
4715 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4716 /* wildcastle kludge: always assume King has rights */
4717 r = boards[moveNum][CASTLING][2] = initialRights[2];
4718 r = boards[moveNum][CASTLING][5] = initialRights[5];
4720 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4721 boards[moveNum][EP_STATUS] = EP_NONE;
4722 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4723 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4724 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4727 if (ics_getting_history == H_GOT_REQ_HEADER ||
4728 ics_getting_history == H_GOT_UNREQ_HEADER) {
4729 /* This was an initial position from a move list, not
4730 the current position */
4734 /* Update currentMove and known move number limits */
4735 newMove = newGame || moveNum > forwardMostMove;
4738 forwardMostMove = backwardMostMove = currentMove = moveNum;
4739 if (gameMode == IcsExamining && moveNum == 0) {
4740 /* Workaround for ICS limitation: we are not told the wild
4741 type when starting to examine a game. But if we ask for
4742 the move list, the move list header will tell us */
4743 ics_getting_history = H_REQUESTED;
4744 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4747 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4748 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4750 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4751 /* [HGM] applied this also to an engine that is silently watching */
4752 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4753 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4754 gameInfo.variant == currentlyInitializedVariant) {
4755 takeback = forwardMostMove - moveNum;
4756 for (i = 0; i < takeback; i++) {
4757 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4758 SendToProgram("undo\n", &first);
4763 forwardMostMove = moveNum;
4764 if (!pausing || currentMove > forwardMostMove)
4765 currentMove = forwardMostMove;
4767 /* New part of history that is not contiguous with old part */
4768 if (pausing && gameMode == IcsExamining) {
4769 pauseExamInvalid = TRUE;
4770 forwardMostMove = pauseExamForwardMostMove;
4773 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4775 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4776 // [HGM] when we will receive the move list we now request, it will be
4777 // fed to the engine from the first move on. So if the engine is not
4778 // in the initial position now, bring it there.
4779 InitChessProgram(&first, 0);
4782 ics_getting_history = H_REQUESTED;
4783 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4786 forwardMostMove = backwardMostMove = currentMove = moveNum;
4789 /* Update the clocks */
4790 if (strchr(elapsed_time, '.')) {
4792 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4793 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4795 /* Time is in seconds */
4796 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4797 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4802 if (appData.zippyPlay && newGame &&
4803 gameMode != IcsObserving && gameMode != IcsIdle &&
4804 gameMode != IcsExamining)
4805 ZippyFirstBoard(moveNum, basetime, increment);
4808 /* Put the move on the move list, first converting
4809 to canonical algebraic form. */
4811 if (appData.debugMode) {
4812 int f = forwardMostMove;
4813 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4814 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4815 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4816 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4817 fprintf(debugFP, "moveNum = %d\n", moveNum);
4818 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4819 setbuf(debugFP, NULL);
4821 if (moveNum <= backwardMostMove) {
4822 /* We don't know what the board looked like before
4824 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4825 strcat(parseList[moveNum - 1], " ");
4826 strcat(parseList[moveNum - 1], elapsed_time);
4827 moveList[moveNum - 1][0] = NULLCHAR;
4828 } else if (strcmp(move_str, "none") == 0) {
4829 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4830 /* Again, we don't know what the board looked like;
4831 this is really the start of the game. */
4832 parseList[moveNum - 1][0] = NULLCHAR;
4833 moveList[moveNum - 1][0] = NULLCHAR;
4834 backwardMostMove = moveNum;
4835 startedFromSetupPosition = TRUE;
4836 fromX = fromY = toX = toY = -1;
4838 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4839 // So we parse the long-algebraic move string in stead of the SAN move
4840 int valid; char buf[MSG_SIZ], *prom;
4842 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4843 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4844 // str looks something like "Q/a1-a2"; kill the slash
4846 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4847 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4848 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4849 strcat(buf, prom); // long move lacks promo specification!
4850 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4851 if(appData.debugMode)
4852 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4853 safeStrCpy(move_str, buf, MSG_SIZ);
4855 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4856 &fromX, &fromY, &toX, &toY, &promoChar)
4857 || ParseOneMove(buf, moveNum - 1, &moveType,
4858 &fromX, &fromY, &toX, &toY, &promoChar);
4859 // end of long SAN patch
4861 (void) CoordsToAlgebraic(boards[moveNum - 1],
4862 PosFlags(moveNum - 1),
4863 fromY, fromX, toY, toX, promoChar,
4864 parseList[moveNum-1]);
4865 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4871 if(!IS_SHOGI(gameInfo.variant))
4872 strcat(parseList[moveNum - 1], "+");
4875 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4876 strcat(parseList[moveNum - 1], "#");
4879 strcat(parseList[moveNum - 1], " ");
4880 strcat(parseList[moveNum - 1], elapsed_time);
4881 /* currentMoveString is set as a side-effect of ParseOneMove */
4882 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4883 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4884 strcat(moveList[moveNum - 1], "\n");
4886 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4887 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4888 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4889 ChessSquare old, new = boards[moveNum][k][j];
4890 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4891 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4892 if(old == new) continue;
4893 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4894 else if(new == WhiteWazir || new == BlackWazir) {
4895 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4896 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4897 else boards[moveNum][k][j] = old; // preserve type of Gold
4898 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4899 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4902 /* Move from ICS was illegal!? Punt. */
4903 if (appData.debugMode) {
4904 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4905 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4907 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4908 strcat(parseList[moveNum - 1], " ");
4909 strcat(parseList[moveNum - 1], elapsed_time);
4910 moveList[moveNum - 1][0] = NULLCHAR;
4911 fromX = fromY = toX = toY = -1;
4914 if (appData.debugMode) {
4915 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4916 setbuf(debugFP, NULL);
4920 /* Send move to chess program (BEFORE animating it). */
4921 if (appData.zippyPlay && !newGame && newMove &&
4922 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4924 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4925 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4926 if (moveList[moveNum - 1][0] == NULLCHAR) {
4927 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4929 DisplayError(str, 0);
4931 if (first.sendTime) {
4932 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4934 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4935 if (firstMove && !bookHit) {
4937 if (first.useColors) {
4938 SendToProgram(gameMode == IcsPlayingWhite ?
4940 "black\ngo\n", &first);
4942 SendToProgram("go\n", &first);
4944 first.maybeThinking = TRUE;
4947 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4948 if (moveList[moveNum - 1][0] == NULLCHAR) {
4949 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4950 DisplayError(str, 0);
4952 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4953 SendMoveToProgram(moveNum - 1, &first);
4960 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4961 /* If move comes from a remote source, animate it. If it
4962 isn't remote, it will have already been animated. */
4963 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4964 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4966 if (!pausing && appData.highlightLastMove) {
4967 SetHighlights(fromX, fromY, toX, toY);
4971 /* Start the clocks */
4972 whiteFlag = blackFlag = FALSE;
4973 appData.clockMode = !(basetime == 0 && increment == 0);
4975 ics_clock_paused = TRUE;
4977 } else if (ticking == 1) {
4978 ics_clock_paused = FALSE;
4980 if (gameMode == IcsIdle ||
4981 relation == RELATION_OBSERVING_STATIC ||
4982 relation == RELATION_EXAMINING ||
4984 DisplayBothClocks();
4988 /* Display opponents and material strengths */
4989 if (gameInfo.variant != VariantBughouse &&
4990 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4991 if (tinyLayout || smallLayout) {
4992 if(gameInfo.variant == VariantNormal)
4993 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4994 gameInfo.white, white_stren, gameInfo.black, black_stren,
4995 basetime, increment);
4997 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4998 gameInfo.white, white_stren, gameInfo.black, black_stren,
4999 basetime, increment, (int) gameInfo.variant);
5001 if(gameInfo.variant == VariantNormal)
5002 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5003 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5004 basetime, increment);
5006 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5007 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5008 basetime, increment, VariantName(gameInfo.variant));
5011 if (appData.debugMode) {
5012 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5017 /* Display the board */
5018 if (!pausing && !appData.noGUI) {
5020 if (appData.premove)
5022 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5023 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5024 ClearPremoveHighlights();
5026 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5027 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5028 DrawPosition(j, boards[currentMove]);
5030 DisplayMove(moveNum - 1);
5031 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5032 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5033 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5034 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5038 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5040 if(bookHit) { // [HGM] book: simulate book reply
5041 static char bookMove[MSG_SIZ]; // a bit generous?
5043 programStats.nodes = programStats.depth = programStats.time =
5044 programStats.score = programStats.got_only_move = 0;
5045 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5047 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5048 strcat(bookMove, bookHit);
5049 HandleMachineMove(bookMove, &first);
5058 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5059 ics_getting_history = H_REQUESTED;
5060 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5066 SendToBoth (char *msg)
5067 { // to make it easy to keep two engines in step in dual analysis
5068 SendToProgram(msg, &first);
5069 if(second.analyzing) SendToProgram(msg, &second);
5073 AnalysisPeriodicEvent (int force)
5075 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5076 && !force) || !appData.periodicUpdates)
5079 /* Send . command to Crafty to collect stats */
5082 /* Don't send another until we get a response (this makes
5083 us stop sending to old Crafty's which don't understand
5084 the "." command (sending illegal cmds resets node count & time,
5085 which looks bad)) */
5086 programStats.ok_to_send = 0;
5090 ics_update_width (int new_width)
5092 ics_printf("set width %d\n", new_width);
5096 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5100 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5101 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5102 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5103 SendToProgram(buf, cps);
5106 // null move in variant where engine does not understand it (for analysis purposes)
5107 SendBoard(cps, moveNum + 1); // send position after move in stead.
5110 if (cps->useUsermove) {
5111 SendToProgram("usermove ", cps);
5115 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5116 int len = space - parseList[moveNum];
5117 memcpy(buf, parseList[moveNum], len);
5119 buf[len] = NULLCHAR;
5121 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5123 SendToProgram(buf, cps);
5125 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5126 AlphaRank(moveList[moveNum], 4);
5127 SendToProgram(moveList[moveNum], cps);
5128 AlphaRank(moveList[moveNum], 4); // and back
5130 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5131 * the engine. It would be nice to have a better way to identify castle
5133 if(appData.fischerCastling && cps->useOOCastle) {
5134 int fromX = moveList[moveNum][0] - AAA;
5135 int fromY = moveList[moveNum][1] - ONE;
5136 int toX = moveList[moveNum][2] - AAA;
5137 int toY = moveList[moveNum][3] - ONE;
5138 if((boards[moveNum][fromY][fromX] == WhiteKing
5139 && boards[moveNum][toY][toX] == WhiteRook)
5140 || (boards[moveNum][fromY][fromX] == BlackKing
5141 && boards[moveNum][toY][toX] == BlackRook)) {
5142 if(toX > fromX) SendToProgram("O-O\n", cps);
5143 else SendToProgram("O-O-O\n", cps);
5145 else SendToProgram(moveList[moveNum], cps);
5147 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5148 char *m = moveList[moveNum];
5149 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5150 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5153 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5155 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5159 SendToProgram(buf, cps);
5161 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5162 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5163 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5164 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5165 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5167 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5168 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5169 SendToProgram(buf, cps);
5171 else SendToProgram(moveList[moveNum], cps);
5172 /* End of additions by Tord */
5175 /* [HGM] setting up the opening has brought engine in force mode! */
5176 /* Send 'go' if we are in a mode where machine should play. */
5177 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5178 (gameMode == TwoMachinesPlay ||
5180 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5182 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5183 SendToProgram("go\n", cps);
5184 if (appData.debugMode) {
5185 fprintf(debugFP, "(extra)\n");
5188 setboardSpoiledMachineBlack = 0;
5192 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5194 char user_move[MSG_SIZ];
5197 if(gameInfo.variant == VariantSChess && promoChar) {
5198 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5199 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5200 } else suffix[0] = NULLCHAR;
5204 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5205 (int)moveType, fromX, fromY, toX, toY);
5206 DisplayError(user_move + strlen("say "), 0);
5208 case WhiteKingSideCastle:
5209 case BlackKingSideCastle:
5210 case WhiteQueenSideCastleWild:
5211 case BlackQueenSideCastleWild:
5213 case WhiteHSideCastleFR:
5214 case BlackHSideCastleFR:
5216 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5218 case WhiteQueenSideCastle:
5219 case BlackQueenSideCastle:
5220 case WhiteKingSideCastleWild:
5221 case BlackKingSideCastleWild:
5223 case WhiteASideCastleFR:
5224 case BlackASideCastleFR:
5226 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5228 case WhiteNonPromotion:
5229 case BlackNonPromotion:
5230 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5232 case WhitePromotion:
5233 case BlackPromotion:
5234 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5235 gameInfo.variant == VariantMakruk)
5236 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5237 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5238 PieceToChar(WhiteFerz));
5239 else if(gameInfo.variant == VariantGreat)
5240 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5241 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5242 PieceToChar(WhiteMan));
5244 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5245 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5251 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5252 ToUpper(PieceToChar((ChessSquare) fromX)),
5253 AAA + toX, ONE + toY);
5255 case IllegalMove: /* could be a variant we don't quite understand */
5256 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5258 case WhiteCapturesEnPassant:
5259 case BlackCapturesEnPassant:
5260 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5261 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5264 SendToICS(user_move);
5265 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5266 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5271 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5272 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5273 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5274 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5275 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5278 if(gameMode != IcsExamining) { // is this ever not the case?
5279 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5281 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5282 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5283 } else { // on FICS we must first go to general examine mode
5284 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5286 if(gameInfo.variant != VariantNormal) {
5287 // try figure out wild number, as xboard names are not always valid on ICS
5288 for(i=1; i<=36; i++) {
5289 snprintf(buf, MSG_SIZ, "wild/%d", i);
5290 if(StringToVariant(buf) == gameInfo.variant) break;
5292 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5293 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5294 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5295 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5296 SendToICS(ics_prefix);
5298 if(startedFromSetupPosition || backwardMostMove != 0) {
5299 fen = PositionToFEN(backwardMostMove, NULL, 1);
5300 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5301 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5303 } else { // FICS: everything has to set by separate bsetup commands
5304 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5305 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5307 if(!WhiteOnMove(backwardMostMove)) {
5308 SendToICS("bsetup tomove black\n");
5310 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5311 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5313 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5314 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5316 i = boards[backwardMostMove][EP_STATUS];
5317 if(i >= 0) { // set e.p.
5318 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5324 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5325 SendToICS("bsetup done\n"); // switch to normal examining.
5327 for(i = backwardMostMove; i<last; i++) {
5329 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5330 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5331 int len = strlen(moveList[i]);
5332 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5333 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5337 SendToICS(ics_prefix);
5338 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5341 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5345 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5347 if (rf == DROP_RANK) {
5348 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5349 sprintf(move, "%c@%c%c\n",
5350 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5352 if (promoChar == 'x' || promoChar == NULLCHAR) {
5353 sprintf(move, "%c%c%c%c\n",
5354 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5355 if(killX >= 0 && killY >= 0) {
5356 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5357 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + killX, ONE + killY);
5360 sprintf(move, "%c%c%c%c%c\n",
5361 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5367 ProcessICSInitScript (FILE *f)
5371 while (fgets(buf, MSG_SIZ, f)) {
5372 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5379 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5381 static ClickType lastClickType;
5384 Partner (ChessSquare *p)
5385 { // change piece into promotion partner if one shogi-promotes to the other
5386 int stride = gameInfo.variant == VariantChu ? WhiteTokin : 11;
5387 ChessSquare partner;
5388 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5389 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5397 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5398 static int toggleFlag;
5399 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5400 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5401 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5402 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5403 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5404 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5406 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5407 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5408 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5409 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5410 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5411 if(!step) step = -1;
5412 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5413 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5414 promoRestrict[0] ? !strchr(promoRestrict, ToUpper(PieceToChar(promoSweep))) : // if choice set available, use it
5415 promoSweep == pawn ||
5416 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5417 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5419 int victim = boards[currentMove][toY][toX];
5420 boards[currentMove][toY][toX] = promoSweep;
5421 DrawPosition(FALSE, boards[currentMove]);
5422 boards[currentMove][toY][toX] = victim;
5424 ChangeDragPiece(promoSweep);
5428 PromoScroll (int x, int y)
5432 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5433 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5434 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5435 if(!step) return FALSE;
5436 lastX = x; lastY = y;
5437 if((promoSweep < BlackPawn) == flipView) step = -step;
5438 if(step > 0) selectFlag = 1;
5439 if(!selectFlag) Sweep(step);
5444 NextPiece (int step)
5446 ChessSquare piece = boards[currentMove][toY][toX];
5449 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5450 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5451 if(!step) step = -1;
5452 } while(PieceToChar(pieceSweep) == '.');
5453 boards[currentMove][toY][toX] = pieceSweep;
5454 DrawPosition(FALSE, boards[currentMove]);
5455 boards[currentMove][toY][toX] = piece;
5457 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5459 AlphaRank (char *move, int n)
5461 // char *p = move, c; int x, y;
5463 if (appData.debugMode) {
5464 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5468 move[2]>='0' && move[2]<='9' &&
5469 move[3]>='a' && move[3]<='x' ) {
5471 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5472 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5474 if(move[0]>='0' && move[0]<='9' &&
5475 move[1]>='a' && move[1]<='x' &&
5476 move[2]>='0' && move[2]<='9' &&
5477 move[3]>='a' && move[3]<='x' ) {
5478 /* input move, Shogi -> normal */
5479 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5480 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5481 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5482 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5485 move[3]>='0' && move[3]<='9' &&
5486 move[2]>='a' && move[2]<='x' ) {
5488 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5489 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5492 move[0]>='a' && move[0]<='x' &&
5493 move[3]>='0' && move[3]<='9' &&
5494 move[2]>='a' && move[2]<='x' ) {
5495 /* output move, normal -> Shogi */
5496 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5497 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5498 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5499 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5500 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5502 if (appData.debugMode) {
5503 fprintf(debugFP, " out = '%s'\n", move);
5507 char yy_textstr[8000];
5509 /* Parser for moves from gnuchess, ICS, or user typein box */
5511 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5513 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5515 switch (*moveType) {
5516 case WhitePromotion:
5517 case BlackPromotion:
5518 case WhiteNonPromotion:
5519 case BlackNonPromotion:
5522 case WhiteCapturesEnPassant:
5523 case BlackCapturesEnPassant:
5524 case WhiteKingSideCastle:
5525 case WhiteQueenSideCastle:
5526 case BlackKingSideCastle:
5527 case BlackQueenSideCastle:
5528 case WhiteKingSideCastleWild:
5529 case WhiteQueenSideCastleWild:
5530 case BlackKingSideCastleWild:
5531 case BlackQueenSideCastleWild:
5532 /* Code added by Tord: */
5533 case WhiteHSideCastleFR:
5534 case WhiteASideCastleFR:
5535 case BlackHSideCastleFR:
5536 case BlackASideCastleFR:
5537 /* End of code added by Tord */
5538 case IllegalMove: /* bug or odd chess variant */
5539 if(currentMoveString[1] == '@') { // illegal drop
5540 *fromX = WhiteOnMove(moveNum) ?
5541 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5542 (int) CharToPiece(ToLower(currentMoveString[0]));
5545 *fromX = currentMoveString[0] - AAA;
5546 *fromY = currentMoveString[1] - ONE;
5547 *toX = currentMoveString[2] - AAA;
5548 *toY = currentMoveString[3] - ONE;
5549 *promoChar = currentMoveString[4];
5550 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5551 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5552 if (appData.debugMode) {
5553 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5555 *fromX = *fromY = *toX = *toY = 0;
5558 if (appData.testLegality) {
5559 return (*moveType != IllegalMove);
5561 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5562 // [HGM] lion: if this is a double move we are less critical
5563 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5568 *fromX = *moveType == WhiteDrop ?
5569 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5570 (int) CharToPiece(ToLower(currentMoveString[0]));
5573 *toX = currentMoveString[2] - AAA;
5574 *toY = currentMoveString[3] - ONE;
5575 *promoChar = NULLCHAR;
5579 case ImpossibleMove:
5589 if (appData.debugMode) {
5590 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5593 *fromX = *fromY = *toX = *toY = 0;
5594 *promoChar = NULLCHAR;
5599 Boolean pushed = FALSE;
5600 char *lastParseAttempt;
5603 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5604 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5605 int fromX, fromY, toX, toY; char promoChar;
5610 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5611 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5612 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5615 endPV = forwardMostMove;
5617 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5618 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5619 lastParseAttempt = pv;
5620 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5621 if(!valid && nr == 0 &&
5622 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5623 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5624 // Hande case where played move is different from leading PV move
5625 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5626 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5627 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5628 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5629 endPV += 2; // if position different, keep this
5630 moveList[endPV-1][0] = fromX + AAA;
5631 moveList[endPV-1][1] = fromY + ONE;
5632 moveList[endPV-1][2] = toX + AAA;
5633 moveList[endPV-1][3] = toY + ONE;
5634 parseList[endPV-1][0] = NULLCHAR;
5635 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5638 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5639 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5640 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5641 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5642 valid++; // allow comments in PV
5646 if(endPV+1 > framePtr) break; // no space, truncate
5649 CopyBoard(boards[endPV], boards[endPV-1]);
5650 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5651 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5652 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5653 CoordsToAlgebraic(boards[endPV - 1],
5654 PosFlags(endPV - 1),
5655 fromY, fromX, toY, toX, promoChar,
5656 parseList[endPV - 1]);
5658 if(atEnd == 2) return; // used hidden, for PV conversion
5659 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5660 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5661 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5662 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5663 DrawPosition(TRUE, boards[currentMove]);
5667 MultiPV (ChessProgramState *cps, int kind)
5668 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5670 for(i=0; i<cps->nrOptions; i++) {
5671 char *s = cps->option[i].name;
5672 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5673 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5674 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5679 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5680 static int multi, pv_margin;
5681 static ChessProgramState *activeCps;
5684 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5686 int startPV, lineStart, origIndex = index;
5687 char *p, buf2[MSG_SIZ];
5688 ChessProgramState *cps = (pane ? &second : &first);
5690 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5691 lastX = x; lastY = y;
5692 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5693 lineStart = startPV = index;
5694 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5695 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5697 do{ while(buf[index] && buf[index] != '\n') index++;
5698 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5700 if(lineStart == 0 && gameMode == AnalyzeMode) {
5702 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5703 if(n == 0) { // click not on "fewer" or "more"
5704 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5705 pv_margin = cps->option[multi].value;
5706 activeCps = cps; // non-null signals margin adjustment
5708 } else if((multi = MultiPV(cps, 1)) >= 0) {
5709 n += cps->option[multi].value; if(n < 1) n = 1;
5710 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5711 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5712 cps->option[multi].value = n;
5716 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5717 ExcludeClick(origIndex - lineStart);
5719 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5720 Collapse(origIndex - lineStart);
5723 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5724 *start = startPV; *end = index-1;
5725 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5732 static char buf[10*MSG_SIZ];
5733 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5735 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5736 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5737 for(i = forwardMostMove; i<endPV; i++){
5738 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5739 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5742 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5743 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5744 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5750 LoadPV (int x, int y)
5751 { // called on right mouse click to load PV
5752 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5753 lastX = x; lastY = y;
5754 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5762 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5764 if(pv_margin != activeCps->option[multi].value) {
5766 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5767 SendToProgram(buf, activeCps);
5768 activeCps->option[multi].value = pv_margin;
5773 if(endPV < 0) return;
5774 if(appData.autoCopyPV) CopyFENToClipboard();
5776 if(extendGame && currentMove > forwardMostMove) {
5777 Boolean saveAnimate = appData.animate;
5779 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5780 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5781 } else storedGames--; // abandon shelved tail of original game
5784 forwardMostMove = currentMove;
5785 currentMove = oldFMM;
5786 appData.animate = FALSE;
5787 ToNrEvent(forwardMostMove);
5788 appData.animate = saveAnimate;
5790 currentMove = forwardMostMove;
5791 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5792 ClearPremoveHighlights();
5793 DrawPosition(TRUE, boards[currentMove]);
5797 MovePV (int x, int y, int h)
5798 { // step through PV based on mouse coordinates (called on mouse move)
5799 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5801 if(activeCps) { // adjusting engine's multi-pv margin
5802 if(x > lastX) pv_margin++; else
5803 if(x < lastX) pv_margin -= (pv_margin > 0);
5806 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5807 DisplayMessage(buf, "");
5812 // we must somehow check if right button is still down (might be released off board!)
5813 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5814 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5815 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5817 lastX = x; lastY = y;
5819 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5820 if(endPV < 0) return;
5821 if(y < margin) step = 1; else
5822 if(y > h - margin) step = -1;
5823 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5824 currentMove += step;
5825 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5826 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5827 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5828 DrawPosition(FALSE, boards[currentMove]);
5832 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5833 // All positions will have equal probability, but the current method will not provide a unique
5834 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5840 int piecesLeft[(int)BlackPawn];
5841 int seed, nrOfShuffles;
5844 GetPositionNumber ()
5845 { // sets global variable seed
5848 seed = appData.defaultFrcPosition;
5849 if(seed < 0) { // randomize based on time for negative FRC position numbers
5850 for(i=0; i<50; i++) seed += random();
5851 seed = random() ^ random() >> 8 ^ random() << 8;
5852 if(seed<0) seed = -seed;
5857 put (Board board, int pieceType, int rank, int n, int shade)
5858 // put the piece on the (n-1)-th empty squares of the given shade
5862 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5863 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5864 board[rank][i] = (ChessSquare) pieceType;
5865 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5867 piecesLeft[pieceType]--;
5876 AddOnePiece (Board board, int pieceType, int rank, int shade)
5877 // calculate where the next piece goes, (any empty square), and put it there
5881 i = seed % squaresLeft[shade];
5882 nrOfShuffles *= squaresLeft[shade];
5883 seed /= squaresLeft[shade];
5884 put(board, pieceType, rank, i, shade);
5888 AddTwoPieces (Board board, int pieceType, int rank)
5889 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5891 int i, n=squaresLeft[ANY], j=n-1, k;
5893 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5894 i = seed % k; // pick one
5897 while(i >= j) i -= j--;
5898 j = n - 1 - j; i += j;
5899 put(board, pieceType, rank, j, ANY);
5900 put(board, pieceType, rank, i, ANY);
5904 SetUpShuffle (Board board, int number)
5908 GetPositionNumber(); nrOfShuffles = 1;
5910 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5911 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5912 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5914 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5916 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5917 p = (int) board[0][i];
5918 if(p < (int) BlackPawn) piecesLeft[p] ++;
5919 board[0][i] = EmptySquare;
5922 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5923 // shuffles restricted to allow normal castling put KRR first
5924 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5925 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5926 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5927 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5928 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5929 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5930 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5931 put(board, WhiteRook, 0, 0, ANY);
5932 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5935 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5936 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5937 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5938 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5939 while(piecesLeft[p] >= 2) {
5940 AddOnePiece(board, p, 0, LITE);
5941 AddOnePiece(board, p, 0, DARK);
5943 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5946 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5947 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5948 // but we leave King and Rooks for last, to possibly obey FRC restriction
5949 if(p == (int)WhiteRook) continue;
5950 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5951 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5954 // now everything is placed, except perhaps King (Unicorn) and Rooks
5956 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5957 // Last King gets castling rights
5958 while(piecesLeft[(int)WhiteUnicorn]) {
5959 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5960 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5963 while(piecesLeft[(int)WhiteKing]) {
5964 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5965 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5970 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5971 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5974 // Only Rooks can be left; simply place them all
5975 while(piecesLeft[(int)WhiteRook]) {
5976 i = put(board, WhiteRook, 0, 0, ANY);
5977 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5980 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5982 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5985 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5986 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5989 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5993 ptclen (const char *s, char *escapes)
5996 if(!*escapes) return strlen(s);
5997 while(*s) n += (*s != '/' && !strchr(escapes, *s)), s++;
6002 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6003 /* [HGM] moved here from winboard.c because of its general usefulness */
6004 /* Basically a safe strcpy that uses the last character as King */
6006 int result = FALSE; int NrPieces, offs;
6008 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6009 && NrPieces >= 12 && !(NrPieces&1)) {
6010 int i, j = 0; /* [HGM] Accept even length from 12 to 88 */
6012 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6013 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6015 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
6016 table[i + offs] = map[j++];
6017 if(p = strchr(escapes, map[j])) j++, table[i + offs] += 64*(p - escapes + 1);
6019 table[(int) WhiteKing] = map[j++];
6020 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6022 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
6023 table[WHITE_TO_BLACK i + offs] = map[j++];
6024 if(p = strchr(escapes, map[j])) j++, table[WHITE_TO_BLACK i + offs] += 64*(p - escapes + 1);
6026 table[(int) BlackKing] = map[j++];
6035 SetCharTable (unsigned char *table, const char * map)
6037 return SetCharTableEsc(table, map, "");
6041 Prelude (Board board)
6042 { // [HGM] superchess: random selection of exo-pieces
6043 int i, j, k; ChessSquare p;
6044 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6046 GetPositionNumber(); // use FRC position number
6048 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6049 SetCharTable(pieceToChar, appData.pieceToCharTable);
6050 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6051 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6054 j = seed%4; seed /= 4;
6055 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6056 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6057 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6058 j = seed%3 + (seed%3 >= j); seed /= 3;
6059 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6060 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6061 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6062 j = seed%3; seed /= 3;
6063 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6064 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6065 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6066 j = seed%2 + (seed%2 >= j); seed /= 2;
6067 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6068 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6069 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6070 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6071 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6072 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6073 put(board, exoPieces[0], 0, 0, ANY);
6074 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6078 InitPosition (int redraw)
6080 ChessSquare (* pieces)[BOARD_FILES];
6081 int i, j, pawnRow=1, pieceRows=1, overrule,
6082 oldx = gameInfo.boardWidth,
6083 oldy = gameInfo.boardHeight,
6084 oldh = gameInfo.holdingsWidth;
6087 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6089 /* [AS] Initialize pv info list [HGM] and game status */
6091 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6092 pvInfoList[i].depth = 0;
6093 boards[i][EP_STATUS] = EP_NONE;
6094 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6097 initialRulePlies = 0; /* 50-move counter start */
6099 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6100 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6104 /* [HGM] logic here is completely changed. In stead of full positions */
6105 /* the initialized data only consist of the two backranks. The switch */
6106 /* selects which one we will use, which is than copied to the Board */
6107 /* initialPosition, which for the rest is initialized by Pawns and */
6108 /* empty squares. This initial position is then copied to boards[0], */
6109 /* possibly after shuffling, so that it remains available. */
6111 gameInfo.holdingsWidth = 0; /* default board sizes */
6112 gameInfo.boardWidth = 8;
6113 gameInfo.boardHeight = 8;
6114 gameInfo.holdingsSize = 0;
6115 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6116 for(i=0; i<BOARD_FILES-6; i++)
6117 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6118 initialPosition[EP_STATUS] = EP_NONE;
6119 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6120 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6121 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6122 SetCharTable(pieceNickName, appData.pieceNickNames);
6123 else SetCharTable(pieceNickName, "............");
6126 switch (gameInfo.variant) {
6127 case VariantFischeRandom:
6128 shuffleOpenings = TRUE;
6129 appData.fischerCastling = TRUE;
6132 case VariantShatranj:
6133 pieces = ShatranjArray;
6134 nrCastlingRights = 0;
6135 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6138 pieces = makrukArray;
6139 nrCastlingRights = 0;
6140 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6143 pieces = aseanArray;
6144 nrCastlingRights = 0;
6145 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6147 case VariantTwoKings:
6148 pieces = twoKingsArray;
6151 pieces = GrandArray;
6152 nrCastlingRights = 0;
6153 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6154 gameInfo.boardWidth = 10;
6155 gameInfo.boardHeight = 10;
6156 gameInfo.holdingsSize = 7;
6158 case VariantCapaRandom:
6159 shuffleOpenings = TRUE;
6160 appData.fischerCastling = TRUE;
6161 case VariantCapablanca:
6162 pieces = CapablancaArray;
6163 gameInfo.boardWidth = 10;
6164 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6167 pieces = GothicArray;
6168 gameInfo.boardWidth = 10;
6169 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6172 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6173 gameInfo.holdingsSize = 7;
6174 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6177 pieces = JanusArray;
6178 gameInfo.boardWidth = 10;
6179 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6180 nrCastlingRights = 6;
6181 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6182 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6183 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6184 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6185 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6186 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6189 pieces = FalconArray;
6190 gameInfo.boardWidth = 10;
6191 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6193 case VariantXiangqi:
6194 pieces = XiangqiArray;
6195 gameInfo.boardWidth = 9;
6196 gameInfo.boardHeight = 10;
6197 nrCastlingRights = 0;
6198 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6201 pieces = ShogiArray;
6202 gameInfo.boardWidth = 9;
6203 gameInfo.boardHeight = 9;
6204 gameInfo.holdingsSize = 7;
6205 nrCastlingRights = 0;
6206 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6209 pieces = ChuArray; pieceRows = 3;
6210 gameInfo.boardWidth = 12;
6211 gameInfo.boardHeight = 12;
6212 nrCastlingRights = 0;
6213 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN/+.++.++++++++++.+++++K"
6214 "p.brqsexogcathd.vmlifn/+.++.++++++++++.+++++k", SUFFIXES);
6216 case VariantCourier:
6217 pieces = CourierArray;
6218 gameInfo.boardWidth = 12;
6219 nrCastlingRights = 0;
6220 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6222 case VariantKnightmate:
6223 pieces = KnightmateArray;
6224 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6226 case VariantSpartan:
6227 pieces = SpartanArray;
6228 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6232 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6234 case VariantChuChess:
6235 pieces = ChuChessArray;
6236 gameInfo.boardWidth = 10;
6237 gameInfo.boardHeight = 10;
6238 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6241 pieces = fairyArray;
6242 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6245 pieces = GreatArray;
6246 gameInfo.boardWidth = 10;
6247 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6248 gameInfo.holdingsSize = 8;
6252 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6253 gameInfo.holdingsSize = 8;
6254 startedFromSetupPosition = TRUE;
6256 case VariantCrazyhouse:
6257 case VariantBughouse:
6259 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6260 gameInfo.holdingsSize = 5;
6262 case VariantWildCastle:
6264 /* !!?shuffle with kings guaranteed to be on d or e file */
6265 shuffleOpenings = 1;
6267 case VariantNoCastle:
6269 nrCastlingRights = 0;
6270 /* !!?unconstrained back-rank shuffle */
6271 shuffleOpenings = 1;
6276 if(appData.NrFiles >= 0) {
6277 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6278 gameInfo.boardWidth = appData.NrFiles;
6280 if(appData.NrRanks >= 0) {
6281 gameInfo.boardHeight = appData.NrRanks;
6283 if(appData.holdingsSize >= 0) {
6284 i = appData.holdingsSize;
6285 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6286 gameInfo.holdingsSize = i;
6288 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6289 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6290 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6292 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6293 if(pawnRow < 1) pawnRow = 1;
6294 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6295 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6296 if(gameInfo.variant == VariantChu) pawnRow = 3;
6298 /* User pieceToChar list overrules defaults */
6299 if(appData.pieceToCharTable != NULL)
6300 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6302 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6304 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6305 s = (ChessSquare) 0; /* account holding counts in guard band */
6306 for( i=0; i<BOARD_HEIGHT; i++ )
6307 initialPosition[i][j] = s;
6309 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6310 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6311 initialPosition[pawnRow][j] = WhitePawn;
6312 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6313 if(gameInfo.variant == VariantXiangqi) {
6315 initialPosition[pawnRow][j] =
6316 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6317 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6318 initialPosition[2][j] = WhiteCannon;
6319 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6323 if(gameInfo.variant == VariantChu) {
6324 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6325 initialPosition[pawnRow+1][j] = WhiteCobra,
6326 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6327 for(i=1; i<pieceRows; i++) {
6328 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6329 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6332 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6333 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6334 initialPosition[0][j] = WhiteRook;
6335 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6338 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6340 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6341 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6344 initialPosition[1][j] = WhiteBishop;
6345 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6347 initialPosition[1][j] = WhiteRook;
6348 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6351 if( nrCastlingRights == -1) {
6352 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6353 /* This sets default castling rights from none to normal corners */
6354 /* Variants with other castling rights must set them themselves above */
6355 nrCastlingRights = 6;
6357 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6358 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6359 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6360 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6361 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6362 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6365 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6366 if(gameInfo.variant == VariantGreat) { // promotion commoners
6367 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6368 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6369 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6370 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6372 if( gameInfo.variant == VariantSChess ) {
6373 initialPosition[1][0] = BlackMarshall;
6374 initialPosition[2][0] = BlackAngel;
6375 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6376 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6377 initialPosition[1][1] = initialPosition[2][1] =
6378 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6380 if (appData.debugMode) {
6381 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6383 if(shuffleOpenings) {
6384 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6385 startedFromSetupPosition = TRUE;
6387 if(startedFromPositionFile) {
6388 /* [HGM] loadPos: use PositionFile for every new game */
6389 CopyBoard(initialPosition, filePosition);
6390 for(i=0; i<nrCastlingRights; i++)
6391 initialRights[i] = filePosition[CASTLING][i];
6392 startedFromSetupPosition = TRUE;
6395 CopyBoard(boards[0], initialPosition);
6397 if(oldx != gameInfo.boardWidth ||
6398 oldy != gameInfo.boardHeight ||
6399 oldv != gameInfo.variant ||
6400 oldh != gameInfo.holdingsWidth
6402 InitDrawingSizes(-2 ,0);
6404 oldv = gameInfo.variant;
6406 DrawPosition(TRUE, boards[currentMove]);
6410 SendBoard (ChessProgramState *cps, int moveNum)
6412 char message[MSG_SIZ];
6414 if (cps->useSetboard) {
6415 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6416 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6417 SendToProgram(message, cps);
6422 int i, j, left=0, right=BOARD_WIDTH;
6423 /* Kludge to set black to move, avoiding the troublesome and now
6424 * deprecated "black" command.
6426 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6427 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6429 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6431 SendToProgram("edit\n", cps);
6432 SendToProgram("#\n", cps);
6433 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6434 bp = &boards[moveNum][i][left];
6435 for (j = left; j < right; j++, bp++) {
6436 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6437 if ((int) *bp < (int) BlackPawn) {
6438 if(j == BOARD_RGHT+1)
6439 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6440 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6441 if(message[0] == '+' || message[0] == '~') {
6442 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6443 PieceToChar((ChessSquare)(DEMOTED *bp)),
6444 AAA + j, ONE + i - '0');
6446 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6447 message[1] = BOARD_RGHT - 1 - j + '1';
6448 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6450 SendToProgram(message, cps);
6455 SendToProgram("c\n", cps);
6456 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6457 bp = &boards[moveNum][i][left];
6458 for (j = left; j < right; j++, bp++) {
6459 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6460 if (((int) *bp != (int) EmptySquare)
6461 && ((int) *bp >= (int) BlackPawn)) {
6462 if(j == BOARD_LEFT-2)
6463 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6464 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6465 AAA + j, ONE + i - '0');
6466 if(message[0] == '+' || message[0] == '~') {
6467 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6468 PieceToChar((ChessSquare)(DEMOTED *bp)),
6469 AAA + j, ONE + i - '0');
6471 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6472 message[1] = BOARD_RGHT - 1 - j + '1';
6473 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6475 SendToProgram(message, cps);
6480 SendToProgram(".\n", cps);
6482 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6485 char exclusionHeader[MSG_SIZ];
6486 int exCnt, excludePtr;
6487 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6488 static Exclusion excluTab[200];
6489 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6495 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6496 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6502 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6503 excludePtr = 24; exCnt = 0;
6508 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6509 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6510 char buf[2*MOVE_LEN], *p;
6511 Exclusion *e = excluTab;
6513 for(i=0; i<exCnt; i++)
6514 if(e[i].ff == fromX && e[i].fr == fromY &&
6515 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6516 if(i == exCnt) { // was not in exclude list; add it
6517 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6518 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6519 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6522 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6523 excludePtr++; e[i].mark = excludePtr++;
6524 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6527 exclusionHeader[e[i].mark] = state;
6531 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6532 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6536 if((signed char)promoChar == -1) { // kludge to indicate best move
6537 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6538 return 1; // if unparsable, abort
6540 // update exclusion map (resolving toggle by consulting existing state)
6541 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6543 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6544 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6545 excludeMap[k] |= 1<<j;
6546 else excludeMap[k] &= ~(1<<j);
6548 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6550 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6551 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6553 return (state == '+');
6557 ExcludeClick (int index)
6560 Exclusion *e = excluTab;
6561 if(index < 25) { // none, best or tail clicked
6562 if(index < 13) { // none: include all
6563 WriteMap(0); // clear map
6564 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6565 SendToBoth("include all\n"); // and inform engine
6566 } else if(index > 18) { // tail
6567 if(exclusionHeader[19] == '-') { // tail was excluded
6568 SendToBoth("include all\n");
6569 WriteMap(0); // clear map completely
6570 // now re-exclude selected moves
6571 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6572 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6573 } else { // tail was included or in mixed state
6574 SendToBoth("exclude all\n");
6575 WriteMap(0xFF); // fill map completely
6576 // now re-include selected moves
6577 j = 0; // count them
6578 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6579 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6580 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6583 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6586 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6587 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6588 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6595 DefaultPromoChoice (int white)
6598 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6599 gameInfo.variant == VariantMakruk)
6600 result = WhiteFerz; // no choice
6601 else if(gameInfo.variant == VariantASEAN)
6602 result = WhiteRook; // no choice
6603 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6604 result= WhiteKing; // in Suicide Q is the last thing we want
6605 else if(gameInfo.variant == VariantSpartan)
6606 result = white ? WhiteQueen : WhiteAngel;
6607 else result = WhiteQueen;
6608 if(!white) result = WHITE_TO_BLACK result;
6612 static int autoQueen; // [HGM] oneclick
6615 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6617 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6618 /* [HGM] add Shogi promotions */
6619 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6620 ChessSquare piece, partner;
6624 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6625 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6627 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6628 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6631 piece = boards[currentMove][fromY][fromX];
6632 if(gameInfo.variant == VariantChu) {
6633 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6634 promotionZoneSize = BOARD_HEIGHT/3;
6635 highestPromotingPiece = (p >= WhiteTokin || PieceToChar(piece + WhiteTokin) != '+') ? WhitePawn : WhiteTokin-1;
6636 } else if(gameInfo.variant == VariantShogi) {
6637 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6638 highestPromotingPiece = (int)WhiteAlfil;
6639 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6640 promotionZoneSize = 3;
6643 // Treat Lance as Pawn when it is not representing Amazon or Lance
6644 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6645 if(piece == WhiteLance) piece = WhitePawn; else
6646 if(piece == BlackLance) piece = BlackPawn;
6649 // next weed out all moves that do not touch the promotion zone at all
6650 if((int)piece >= BlackPawn) {
6651 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6653 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6654 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6656 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6657 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6658 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6662 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6664 // weed out mandatory Shogi promotions
6665 if(gameInfo.variant == VariantShogi) {
6666 if(piece >= BlackPawn) {
6667 if(toY == 0 && piece == BlackPawn ||
6668 toY == 0 && piece == BlackQueen ||
6669 toY <= 1 && piece == BlackKnight) {
6674 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6675 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6676 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6683 // weed out obviously illegal Pawn moves
6684 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6685 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6686 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6687 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6688 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6689 // note we are not allowed to test for valid (non-)capture, due to premove
6692 // we either have a choice what to promote to, or (in Shogi) whether to promote
6693 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6694 gameInfo.variant == VariantMakruk) {
6695 ChessSquare p=BlackFerz; // no choice
6696 while(p < EmptySquare) { //but make sure we use piece that exists
6697 *promoChoice = PieceToChar(p++);
6698 if(*promoChoice != '.') break;
6702 // no sense asking what we must promote to if it is going to explode...
6703 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6704 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6707 // give caller the default choice even if we will not make it
6708 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6709 partner = piece; // pieces can promote if the pieceToCharTable says so
6710 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6711 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6712 if( sweepSelect && gameInfo.variant != VariantGreat
6713 && gameInfo.variant != VariantGrand
6714 && gameInfo.variant != VariantSuper) return FALSE;
6715 if(autoQueen) return FALSE; // predetermined
6717 // suppress promotion popup on illegal moves that are not premoves
6718 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6719 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6720 if(appData.testLegality && !premove) {
6721 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6722 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6723 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6724 if(moveType != WhitePromotion && moveType != BlackPromotion)
6732 InPalace (int row, int column)
6733 { /* [HGM] for Xiangqi */
6734 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6735 column < (BOARD_WIDTH + 4)/2 &&
6736 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6741 PieceForSquare (int x, int y)
6743 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6746 return boards[currentMove][y][x];
6750 OKToStartUserMove (int x, int y)
6752 ChessSquare from_piece;
6755 if (matchMode) return FALSE;
6756 if (gameMode == EditPosition) return TRUE;
6758 if (x >= 0 && y >= 0)
6759 from_piece = boards[currentMove][y][x];
6761 from_piece = EmptySquare;
6763 if (from_piece == EmptySquare) return FALSE;
6765 white_piece = (int)from_piece >= (int)WhitePawn &&
6766 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6770 case TwoMachinesPlay:
6778 case MachinePlaysWhite:
6779 case IcsPlayingBlack:
6780 if (appData.zippyPlay) return FALSE;
6782 DisplayMoveError(_("You are playing Black"));
6787 case MachinePlaysBlack:
6788 case IcsPlayingWhite:
6789 if (appData.zippyPlay) return FALSE;
6791 DisplayMoveError(_("You are playing White"));
6796 case PlayFromGameFile:
6797 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6799 if (!white_piece && WhiteOnMove(currentMove)) {
6800 DisplayMoveError(_("It is White's turn"));
6803 if (white_piece && !WhiteOnMove(currentMove)) {
6804 DisplayMoveError(_("It is Black's turn"));
6807 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6808 /* Editing correspondence game history */
6809 /* Could disallow this or prompt for confirmation */
6814 case BeginningOfGame:
6815 if (appData.icsActive) return FALSE;
6816 if (!appData.noChessProgram) {
6818 DisplayMoveError(_("You are playing White"));
6825 if (!white_piece && WhiteOnMove(currentMove)) {
6826 DisplayMoveError(_("It is White's turn"));
6829 if (white_piece && !WhiteOnMove(currentMove)) {
6830 DisplayMoveError(_("It is Black's turn"));
6839 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6840 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6841 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6842 && gameMode != AnalyzeFile && gameMode != Training) {
6843 DisplayMoveError(_("Displayed position is not current"));
6850 OnlyMove (int *x, int *y, Boolean captures)
6852 DisambiguateClosure cl;
6853 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6855 case MachinePlaysBlack:
6856 case IcsPlayingWhite:
6857 case BeginningOfGame:
6858 if(!WhiteOnMove(currentMove)) return FALSE;
6860 case MachinePlaysWhite:
6861 case IcsPlayingBlack:
6862 if(WhiteOnMove(currentMove)) return FALSE;
6869 cl.pieceIn = EmptySquare;
6874 cl.promoCharIn = NULLCHAR;
6875 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6876 if( cl.kind == NormalMove ||
6877 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6878 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6879 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6886 if(cl.kind != ImpossibleMove) return FALSE;
6887 cl.pieceIn = EmptySquare;
6892 cl.promoCharIn = NULLCHAR;
6893 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6894 if( cl.kind == NormalMove ||
6895 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6896 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6897 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6902 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6908 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6909 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6910 int lastLoadGameUseList = FALSE;
6911 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6912 ChessMove lastLoadGameStart = EndOfFile;
6914 Boolean addToBookFlag;
6917 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6921 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6923 /* Check if the user is playing in turn. This is complicated because we
6924 let the user "pick up" a piece before it is his turn. So the piece he
6925 tried to pick up may have been captured by the time he puts it down!
6926 Therefore we use the color the user is supposed to be playing in this
6927 test, not the color of the piece that is currently on the starting
6928 square---except in EditGame mode, where the user is playing both
6929 sides; fortunately there the capture race can't happen. (It can
6930 now happen in IcsExamining mode, but that's just too bad. The user
6931 will get a somewhat confusing message in that case.)
6936 case TwoMachinesPlay:
6940 /* We switched into a game mode where moves are not accepted,
6941 perhaps while the mouse button was down. */
6944 case MachinePlaysWhite:
6945 /* User is moving for Black */
6946 if (WhiteOnMove(currentMove)) {
6947 DisplayMoveError(_("It is White's turn"));
6952 case MachinePlaysBlack:
6953 /* User is moving for White */
6954 if (!WhiteOnMove(currentMove)) {
6955 DisplayMoveError(_("It is Black's turn"));
6960 case PlayFromGameFile:
6961 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6964 case BeginningOfGame:
6967 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6968 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6969 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6970 /* User is moving for Black */
6971 if (WhiteOnMove(currentMove)) {
6972 DisplayMoveError(_("It is White's turn"));
6976 /* User is moving for White */
6977 if (!WhiteOnMove(currentMove)) {
6978 DisplayMoveError(_("It is Black's turn"));
6984 case IcsPlayingBlack:
6985 /* User is moving for Black */
6986 if (WhiteOnMove(currentMove)) {
6987 if (!appData.premove) {
6988 DisplayMoveError(_("It is White's turn"));
6989 } else if (toX >= 0 && toY >= 0) {
6992 premoveFromX = fromX;
6993 premoveFromY = fromY;
6994 premovePromoChar = promoChar;
6996 if (appData.debugMode)
6997 fprintf(debugFP, "Got premove: fromX %d,"
6998 "fromY %d, toX %d, toY %d\n",
6999 fromX, fromY, toX, toY);
7005 case IcsPlayingWhite:
7006 /* User is moving for White */
7007 if (!WhiteOnMove(currentMove)) {
7008 if (!appData.premove) {
7009 DisplayMoveError(_("It is Black's turn"));
7010 } else if (toX >= 0 && toY >= 0) {
7013 premoveFromX = fromX;
7014 premoveFromY = fromY;
7015 premovePromoChar = promoChar;
7017 if (appData.debugMode)
7018 fprintf(debugFP, "Got premove: fromX %d,"
7019 "fromY %d, toX %d, toY %d\n",
7020 fromX, fromY, toX, toY);
7030 /* EditPosition, empty square, or different color piece;
7031 click-click move is possible */
7032 if (toX == -2 || toY == -2) {
7033 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7034 DrawPosition(FALSE, boards[currentMove]);
7036 } else if (toX >= 0 && toY >= 0) {
7037 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7038 ChessSquare q, p = boards[0][rf][ff];
7039 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
7040 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
7041 else p = CHUDEMOTED (q = boards[0][rf][ff]);
7042 if(PieceToChar(q) == '+') gatingPiece = p;
7044 boards[0][toY][toX] = boards[0][fromY][fromX];
7045 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7046 if(boards[0][fromY][0] != EmptySquare) {
7047 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7048 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7051 if(fromX == BOARD_RGHT+1) {
7052 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7053 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7054 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7057 boards[0][fromY][fromX] = gatingPiece;
7058 DrawPosition(FALSE, boards[currentMove]);
7064 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7065 pup = boards[currentMove][toY][toX];
7067 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7068 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7069 if( pup != EmptySquare ) return;
7070 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7071 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7072 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7073 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7074 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7075 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7076 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7080 /* [HGM] always test for legality, to get promotion info */
7081 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7082 fromY, fromX, toY, toX, promoChar);
7084 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7086 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7088 /* [HGM] but possibly ignore an IllegalMove result */
7089 if (appData.testLegality) {
7090 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7091 DisplayMoveError(_("Illegal move"));
7096 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7097 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7098 ClearPremoveHighlights(); // was included
7099 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7103 if(addToBookFlag) { // adding moves to book
7104 char buf[MSG_SIZ], move[MSG_SIZ];
7105 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7106 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d", fromX + AAA, fromY + ONE - '0', killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0');
7107 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7109 addToBookFlag = FALSE;
7114 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7117 /* Common tail of UserMoveEvent and DropMenuEvent */
7119 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7123 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7124 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7125 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7126 if(WhiteOnMove(currentMove)) {
7127 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7129 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7133 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7134 move type in caller when we know the move is a legal promotion */
7135 if(moveType == NormalMove && promoChar)
7136 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7138 /* [HGM] <popupFix> The following if has been moved here from
7139 UserMoveEvent(). Because it seemed to belong here (why not allow
7140 piece drops in training games?), and because it can only be
7141 performed after it is known to what we promote. */
7142 if (gameMode == Training) {
7143 /* compare the move played on the board to the next move in the
7144 * game. If they match, display the move and the opponent's response.
7145 * If they don't match, display an error message.
7149 CopyBoard(testBoard, boards[currentMove]);
7150 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7152 if (CompareBoards(testBoard, boards[currentMove+1])) {
7153 ForwardInner(currentMove+1);
7155 /* Autoplay the opponent's response.
7156 * if appData.animate was TRUE when Training mode was entered,
7157 * the response will be animated.
7159 saveAnimate = appData.animate;
7160 appData.animate = animateTraining;
7161 ForwardInner(currentMove+1);
7162 appData.animate = saveAnimate;
7164 /* check for the end of the game */
7165 if (currentMove >= forwardMostMove) {
7166 gameMode = PlayFromGameFile;
7168 SetTrainingModeOff();
7169 DisplayInformation(_("End of game"));
7172 DisplayError(_("Incorrect move"), 0);
7177 /* Ok, now we know that the move is good, so we can kill
7178 the previous line in Analysis Mode */
7179 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7180 && currentMove < forwardMostMove) {
7181 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7182 else forwardMostMove = currentMove;
7187 /* If we need the chess program but it's dead, restart it */
7188 ResurrectChessProgram();
7190 /* A user move restarts a paused game*/
7194 thinkOutput[0] = NULLCHAR;
7196 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7198 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7199 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7203 if (gameMode == BeginningOfGame) {
7204 if (appData.noChessProgram) {
7205 gameMode = EditGame;
7209 gameMode = MachinePlaysBlack;
7212 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7214 if (first.sendName) {
7215 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7216 SendToProgram(buf, &first);
7223 /* Relay move to ICS or chess engine */
7224 if (appData.icsActive) {
7225 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7226 gameMode == IcsExamining) {
7227 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7228 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7230 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7232 // also send plain move, in case ICS does not understand atomic claims
7233 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7237 if (first.sendTime && (gameMode == BeginningOfGame ||
7238 gameMode == MachinePlaysWhite ||
7239 gameMode == MachinePlaysBlack)) {
7240 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7242 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7243 // [HGM] book: if program might be playing, let it use book
7244 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7245 first.maybeThinking = TRUE;
7246 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7247 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7248 SendBoard(&first, currentMove+1);
7249 if(second.analyzing) {
7250 if(!second.useSetboard) SendToProgram("undo\n", &second);
7251 SendBoard(&second, currentMove+1);
7254 SendMoveToProgram(forwardMostMove-1, &first);
7255 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7257 if (currentMove == cmailOldMove + 1) {
7258 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7262 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7266 if(appData.testLegality)
7267 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7273 if (WhiteOnMove(currentMove)) {
7274 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7276 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7280 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7285 case MachinePlaysBlack:
7286 case MachinePlaysWhite:
7287 /* disable certain menu options while machine is thinking */
7288 SetMachineThinkingEnables();
7295 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7296 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7298 if(bookHit) { // [HGM] book: simulate book reply
7299 static char bookMove[MSG_SIZ]; // a bit generous?
7301 programStats.nodes = programStats.depth = programStats.time =
7302 programStats.score = programStats.got_only_move = 0;
7303 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7305 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7306 strcat(bookMove, bookHit);
7307 HandleMachineMove(bookMove, &first);
7313 MarkByFEN(char *fen)
7316 if(!appData.markers || !appData.highlightDragging) return;
7317 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7318 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7322 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7323 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7324 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7325 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7326 if(*fen == 'T') marker[r][f++] = 0; else
7327 if(*fen == 'Y') marker[r][f++] = 1; else
7328 if(*fen == 'G') marker[r][f++] = 3; else
7329 if(*fen == 'B') marker[r][f++] = 4; else
7330 if(*fen == 'C') marker[r][f++] = 5; else
7331 if(*fen == 'M') marker[r][f++] = 6; else
7332 if(*fen == 'W') marker[r][f++] = 7; else
7333 if(*fen == 'D') marker[r][f++] = 8; else
7334 if(*fen == 'R') marker[r][f++] = 2; else {
7335 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7338 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7342 DrawPosition(TRUE, NULL);
7345 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7348 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7350 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7351 Markers *m = (Markers *) closure;
7352 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7353 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7354 || kind == WhiteCapturesEnPassant
7355 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 3;
7356 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7359 static int hoverSavedValid;
7362 MarkTargetSquares (int clear)
7365 if(clear) { // no reason to ever suppress clearing
7366 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7367 hoverSavedValid = 0;
7368 if(!sum) return; // nothing was cleared,no redraw needed
7371 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7372 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7373 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7374 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7375 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7377 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7380 DrawPosition(FALSE, NULL);
7384 Explode (Board board, int fromX, int fromY, int toX, int toY)
7386 if(gameInfo.variant == VariantAtomic &&
7387 (board[toY][toX] != EmptySquare || // capture?
7388 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7389 board[fromY][fromX] == BlackPawn )
7391 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7397 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7400 CanPromote (ChessSquare piece, int y)
7402 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7403 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7404 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7405 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7406 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7407 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7408 gameInfo.variant == VariantMakruk) return FALSE;
7409 return (piece == BlackPawn && y <= zone ||
7410 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7411 piece == BlackLance && y <= zone ||
7412 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7416 HoverEvent (int xPix, int yPix, int x, int y)
7418 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7420 if(!first.highlight) return;
7421 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7422 if(x == oldX && y == oldY) return; // only do something if we enter new square
7423 oldFromX = fromX; oldFromY = fromY;
7424 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7425 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7426 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7427 hoverSavedValid = 1;
7428 } else if(oldX != x || oldY != y) {
7429 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7430 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7431 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7432 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7433 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7435 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7436 SendToProgram(buf, &first);
7439 // SetHighlights(fromX, fromY, x, y);
7443 void ReportClick(char *action, int x, int y)
7445 char buf[MSG_SIZ]; // Inform engine of what user does
7447 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7448 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7449 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7450 if(!first.highlight || gameMode == EditPosition) return;
7451 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7452 SendToProgram(buf, &first);
7455 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7458 LeftClick (ClickType clickType, int xPix, int yPix)
7461 Boolean saveAnimate;
7462 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7463 char promoChoice = NULLCHAR;
7465 static TimeMark lastClickTime, prevClickTime;
7467 x = EventToSquare(xPix, BOARD_WIDTH);
7468 y = EventToSquare(yPix, BOARD_HEIGHT);
7469 if (!flipView && y >= 0) {
7470 y = BOARD_HEIGHT - 1 - y;
7472 if (flipView && x >= 0) {
7473 x = BOARD_WIDTH - 1 - x;
7476 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7478 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7483 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7485 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7487 if (clickType == Press) ErrorPopDown();
7488 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7490 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7491 defaultPromoChoice = promoSweep;
7492 promoSweep = EmptySquare; // terminate sweep
7493 promoDefaultAltered = TRUE;
7494 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7497 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7498 if(clickType == Release) return; // ignore upclick of click-click destination
7499 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7500 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7501 if(gameInfo.holdingsWidth &&
7502 (WhiteOnMove(currentMove)
7503 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7504 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7505 // click in right holdings, for determining promotion piece
7506 ChessSquare p = boards[currentMove][y][x];
7507 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7508 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7509 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7510 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7515 DrawPosition(FALSE, boards[currentMove]);
7519 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7520 if(clickType == Press
7521 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7522 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7523 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7526 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7527 // could be static click on premove from-square: abort premove
7529 ClearPremoveHighlights();
7532 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7533 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7535 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7536 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7537 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7538 defaultPromoChoice = DefaultPromoChoice(side);
7541 autoQueen = appData.alwaysPromoteToQueen;
7545 gatingPiece = EmptySquare;
7546 if (clickType != Press) {
7547 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7548 DragPieceEnd(xPix, yPix); dragging = 0;
7549 DrawPosition(FALSE, NULL);
7553 doubleClick = FALSE;
7554 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7555 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7557 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7558 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7559 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7560 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7562 if (OKToStartUserMove(fromX, fromY)) {
7564 ReportClick("lift", x, y);
7565 MarkTargetSquares(0);
7566 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7567 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7568 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7569 promoSweep = defaultPromoChoice;
7570 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7571 Sweep(0); // Pawn that is going to promote: preview promotion piece
7572 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7574 if (appData.highlightDragging) {
7575 SetHighlights(fromX, fromY, -1, -1);
7579 } else fromX = fromY = -1;
7585 if (clickType == Press && gameMode != EditPosition) {
7590 // ignore off-board to clicks
7591 if(y < 0 || x < 0) return;
7593 /* Check if clicking again on the same color piece */
7594 fromP = boards[currentMove][fromY][fromX];
7595 toP = boards[currentMove][y][x];
7596 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7597 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7598 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7599 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7600 WhitePawn <= toP && toP <= WhiteKing &&
7601 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7602 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7603 (BlackPawn <= fromP && fromP <= BlackKing &&
7604 BlackPawn <= toP && toP <= BlackKing &&
7605 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7606 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7607 /* Clicked again on same color piece -- changed his mind */
7608 second = (x == fromX && y == fromY);
7610 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7611 second = FALSE; // first double-click rather than scond click
7612 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7614 promoDefaultAltered = FALSE;
7615 MarkTargetSquares(1);
7616 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7617 if (appData.highlightDragging) {
7618 SetHighlights(x, y, -1, -1);
7622 if (OKToStartUserMove(x, y)) {
7623 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7624 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7625 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7626 gatingPiece = boards[currentMove][fromY][fromX];
7627 else gatingPiece = doubleClick ? fromP : EmptySquare;
7629 fromY = y; dragging = 1;
7630 if(!second) ReportClick("lift", x, y);
7631 MarkTargetSquares(0);
7632 DragPieceBegin(xPix, yPix, FALSE);
7633 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7634 promoSweep = defaultPromoChoice;
7635 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7636 Sweep(0); // Pawn that is going to promote: preview promotion piece
7640 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7643 // ignore clicks on holdings
7644 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7647 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7648 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7649 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7653 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7654 DragPieceEnd(xPix, yPix); dragging = 0;
7656 // a deferred attempt to click-click move an empty square on top of a piece
7657 boards[currentMove][y][x] = EmptySquare;
7659 DrawPosition(FALSE, boards[currentMove]);
7660 fromX = fromY = -1; clearFlag = 0;
7663 if (appData.animateDragging) {
7664 /* Undo animation damage if any */
7665 DrawPosition(FALSE, NULL);
7668 /* Second up/down in same square; just abort move */
7671 gatingPiece = EmptySquare;
7672 MarkTargetSquares(1);
7675 ClearPremoveHighlights();
7677 /* First upclick in same square; start click-click mode */
7678 SetHighlights(x, y, -1, -1);
7685 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7686 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7687 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7688 DisplayMessage(_("only marked squares are legal"),"");
7689 DrawPosition(TRUE, NULL);
7690 return; // ignore to-click
7693 /* we now have a different from- and (possibly off-board) to-square */
7694 /* Completed move */
7695 if(!sweepSelecting) {
7700 piece = boards[currentMove][fromY][fromX];
7702 saveAnimate = appData.animate;
7703 if (clickType == Press) {
7704 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7705 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7706 // must be Edit Position mode with empty-square selected
7707 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7708 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7711 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7714 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7715 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7717 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7718 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7719 if(appData.sweepSelect) {
7720 promoSweep = defaultPromoChoice;
7721 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7722 selectFlag = 0; lastX = xPix; lastY = yPix;
7723 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7724 Sweep(0); // Pawn that is going to promote: preview promotion piece
7726 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7727 MarkTargetSquares(1);
7729 return; // promo popup appears on up-click
7731 /* Finish clickclick move */
7732 if (appData.animate || appData.highlightLastMove) {
7733 SetHighlights(fromX, fromY, toX, toY);
7737 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7738 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7740 if (appData.animate || appData.highlightLastMove) {
7741 SetHighlights(fromX, fromY, toX, toY);
7747 // [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
7748 /* Finish drag move */
7749 if (appData.highlightLastMove) {
7750 SetHighlights(fromX, fromY, toX, toY);
7755 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7756 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7757 dragging *= 2; // flag button-less dragging if we are dragging
7758 MarkTargetSquares(1);
7759 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7761 kill2X = killX; kill2Y = killY;
7762 killX = x; killY = y; //remeber this square as intermediate
7763 ReportClick("put", x, y); // and inform engine
7764 ReportClick("lift", x, y);
7765 MarkTargetSquares(0);
7769 DragPieceEnd(xPix, yPix); dragging = 0;
7770 /* Don't animate move and drag both */
7771 appData.animate = FALSE;
7774 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7775 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7776 ChessSquare piece = boards[currentMove][fromY][fromX];
7777 if(gameMode == EditPosition && piece != EmptySquare &&
7778 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7781 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7782 n = PieceToNumber(piece - (int)BlackPawn);
7783 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7784 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7785 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7787 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7788 n = PieceToNumber(piece);
7789 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7790 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7791 boards[currentMove][n][BOARD_WIDTH-2]++;
7793 boards[currentMove][fromY][fromX] = EmptySquare;
7797 MarkTargetSquares(1);
7798 DrawPosition(TRUE, boards[currentMove]);
7802 // off-board moves should not be highlighted
7803 if(x < 0 || y < 0) ClearHighlights();
7804 else ReportClick("put", x, y);
7806 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7808 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7810 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7811 SetHighlights(fromX, fromY, toX, toY);
7812 MarkTargetSquares(1);
7813 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7814 // [HGM] super: promotion to captured piece selected from holdings
7815 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7816 promotionChoice = TRUE;
7817 // kludge follows to temporarily execute move on display, without promoting yet
7818 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7819 boards[currentMove][toY][toX] = p;
7820 DrawPosition(FALSE, boards[currentMove]);
7821 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7822 boards[currentMove][toY][toX] = q;
7823 DisplayMessage("Click in holdings to choose piece", "");
7826 PromotionPopUp(promoChoice);
7828 int oldMove = currentMove;
7829 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7830 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7831 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7832 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7833 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7834 DrawPosition(TRUE, boards[currentMove]);
7835 MarkTargetSquares(1);
7838 appData.animate = saveAnimate;
7839 if (appData.animate || appData.animateDragging) {
7840 /* Undo animation damage if needed */
7841 DrawPosition(FALSE, NULL);
7846 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7847 { // front-end-free part taken out of PieceMenuPopup
7848 int whichMenu; int xSqr, ySqr;
7850 if(seekGraphUp) { // [HGM] seekgraph
7851 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7852 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7856 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7857 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7858 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7859 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7860 if(action == Press) {
7861 originalFlip = flipView;
7862 flipView = !flipView; // temporarily flip board to see game from partners perspective
7863 DrawPosition(TRUE, partnerBoard);
7864 DisplayMessage(partnerStatus, "");
7866 } else if(action == Release) {
7867 flipView = originalFlip;
7868 DrawPosition(TRUE, boards[currentMove]);
7874 xSqr = EventToSquare(x, BOARD_WIDTH);
7875 ySqr = EventToSquare(y, BOARD_HEIGHT);
7876 if (action == Release) {
7877 if(pieceSweep != EmptySquare) {
7878 EditPositionMenuEvent(pieceSweep, toX, toY);
7879 pieceSweep = EmptySquare;
7880 } else UnLoadPV(); // [HGM] pv
7882 if (action != Press) return -2; // return code to be ignored
7885 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7887 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7888 if (xSqr < 0 || ySqr < 0) return -1;
7889 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7890 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7891 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7892 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7896 if(!appData.icsEngineAnalyze) return -1;
7897 case IcsPlayingWhite:
7898 case IcsPlayingBlack:
7899 if(!appData.zippyPlay) goto noZip;
7902 case MachinePlaysWhite:
7903 case MachinePlaysBlack:
7904 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7905 if (!appData.dropMenu) {
7907 return 2; // flag front-end to grab mouse events
7909 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7910 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7913 if (xSqr < 0 || ySqr < 0) return -1;
7914 if (!appData.dropMenu || appData.testLegality &&
7915 gameInfo.variant != VariantBughouse &&
7916 gameInfo.variant != VariantCrazyhouse) return -1;
7917 whichMenu = 1; // drop menu
7923 if (((*fromX = xSqr) < 0) ||
7924 ((*fromY = ySqr) < 0)) {
7925 *fromX = *fromY = -1;
7929 *fromX = BOARD_WIDTH - 1 - *fromX;
7931 *fromY = BOARD_HEIGHT - 1 - *fromY;
7937 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7939 // char * hint = lastHint;
7940 FrontEndProgramStats stats;
7942 stats.which = cps == &first ? 0 : 1;
7943 stats.depth = cpstats->depth;
7944 stats.nodes = cpstats->nodes;
7945 stats.score = cpstats->score;
7946 stats.time = cpstats->time;
7947 stats.pv = cpstats->movelist;
7948 stats.hint = lastHint;
7949 stats.an_move_index = 0;
7950 stats.an_move_count = 0;
7952 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7953 stats.hint = cpstats->move_name;
7954 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7955 stats.an_move_count = cpstats->nr_moves;
7958 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
7960 SetProgramStats( &stats );
7964 ClearEngineOutputPane (int which)
7966 static FrontEndProgramStats dummyStats;
7967 dummyStats.which = which;
7968 dummyStats.pv = "#";
7969 SetProgramStats( &dummyStats );
7972 #define MAXPLAYERS 500
7975 TourneyStandings (int display)
7977 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7978 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7979 char result, *p, *names[MAXPLAYERS];
7981 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7982 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7983 names[0] = p = strdup(appData.participants);
7984 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7986 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7988 while(result = appData.results[nr]) {
7989 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7990 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7991 wScore = bScore = 0;
7993 case '+': wScore = 2; break;
7994 case '-': bScore = 2; break;
7995 case '=': wScore = bScore = 1; break;
7997 case '*': return strdup("busy"); // tourney not finished
8005 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8006 for(w=0; w<nPlayers; w++) {
8008 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8009 ranking[w] = b; points[w] = bScore; score[b] = -2;
8011 p = malloc(nPlayers*34+1);
8012 for(w=0; w<nPlayers && w<display; w++)
8013 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8019 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8020 { // count all piece types
8022 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8023 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8024 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8027 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8028 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8029 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8030 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8031 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8032 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8037 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8039 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8040 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8042 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8043 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8044 if(myPawns == 2 && nMine == 3) // KPP
8045 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8046 if(myPawns == 1 && nMine == 2) // KP
8047 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8048 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8049 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8050 if(myPawns) return FALSE;
8051 if(pCnt[WhiteRook+side])
8052 return pCnt[BlackRook-side] ||
8053 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8054 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8055 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8056 if(pCnt[WhiteCannon+side]) {
8057 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8058 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8060 if(pCnt[WhiteKnight+side])
8061 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8066 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8068 VariantClass v = gameInfo.variant;
8070 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8071 if(v == VariantShatranj) return TRUE; // always winnable through baring
8072 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8073 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8075 if(v == VariantXiangqi) {
8076 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8078 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8079 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8080 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8081 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8082 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8083 if(stale) // we have at least one last-rank P plus perhaps C
8084 return majors // KPKX
8085 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8087 return pCnt[WhiteFerz+side] // KCAK
8088 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8089 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8090 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8092 } else if(v == VariantKnightmate) {
8093 if(nMine == 1) return FALSE;
8094 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8095 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8096 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8098 if(nMine == 1) return FALSE; // bare King
8099 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
8100 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8101 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8102 // by now we have King + 1 piece (or multiple Bishops on the same color)
8103 if(pCnt[WhiteKnight+side])
8104 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8105 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8106 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8108 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8109 if(pCnt[WhiteAlfil+side])
8110 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8111 if(pCnt[WhiteWazir+side])
8112 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8119 CompareWithRights (Board b1, Board b2)
8122 if(!CompareBoards(b1, b2)) return FALSE;
8123 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8124 /* compare castling rights */
8125 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8126 rights++; /* King lost rights, while rook still had them */
8127 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8128 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8129 rights++; /* but at least one rook lost them */
8131 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8133 if( b1[CASTLING][5] != NoRights ) {
8134 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8141 Adjudicate (ChessProgramState *cps)
8142 { // [HGM] some adjudications useful with buggy engines
8143 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8144 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8145 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8146 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8147 int k, drop, count = 0; static int bare = 1;
8148 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8149 Boolean canAdjudicate = !appData.icsActive;
8151 // most tests only when we understand the game, i.e. legality-checking on
8152 if( appData.testLegality )
8153 { /* [HGM] Some more adjudications for obstinate engines */
8154 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8155 static int moveCount = 6;
8157 char *reason = NULL;
8159 /* Count what is on board. */
8160 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8162 /* Some material-based adjudications that have to be made before stalemate test */
8163 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8164 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8165 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8166 if(canAdjudicate && appData.checkMates) {
8168 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8169 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8170 "Xboard adjudication: King destroyed", GE_XBOARD );
8175 /* Bare King in Shatranj (loses) or Losers (wins) */
8176 if( nrW == 1 || nrB == 1) {
8177 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8178 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8179 if(canAdjudicate && appData.checkMates) {
8181 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8182 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8183 "Xboard adjudication: Bare king", GE_XBOARD );
8187 if( gameInfo.variant == VariantShatranj && --bare < 0)
8189 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8190 if(canAdjudicate && appData.checkMates) {
8191 /* but only adjudicate if adjudication enabled */
8193 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8194 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8195 "Xboard adjudication: Bare king", GE_XBOARD );
8202 // don't wait for engine to announce game end if we can judge ourselves
8203 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8205 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8206 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8207 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8208 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8211 reason = "Xboard adjudication: 3rd check";
8212 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8223 reason = "Xboard adjudication: Stalemate";
8224 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8225 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8226 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8227 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8228 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8229 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8230 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8231 EP_CHECKMATE : EP_WINS);
8232 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8233 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8237 reason = "Xboard adjudication: Checkmate";
8238 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8239 if(gameInfo.variant == VariantShogi) {
8240 if(forwardMostMove > backwardMostMove
8241 && moveList[forwardMostMove-1][1] == '@'
8242 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8243 reason = "XBoard adjudication: pawn-drop mate";
8244 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8250 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8252 result = GameIsDrawn; break;
8254 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8256 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8260 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8262 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8263 GameEnds( result, reason, GE_XBOARD );
8267 /* Next absolutely insufficient mating material. */
8268 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8269 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8270 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8272 /* always flag draws, for judging claims */
8273 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8275 if(canAdjudicate && appData.materialDraws) {
8276 /* but only adjudicate them if adjudication enabled */
8277 if(engineOpponent) {
8278 SendToProgram("force\n", engineOpponent); // suppress reply
8279 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8281 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8286 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8287 if(gameInfo.variant == VariantXiangqi ?
8288 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8290 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8291 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8292 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8293 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8295 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8296 { /* if the first 3 moves do not show a tactical win, declare draw */
8297 if(engineOpponent) {
8298 SendToProgram("force\n", engineOpponent); // suppress reply
8299 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8301 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8304 } else moveCount = 6;
8307 // Repetition draws and 50-move rule can be applied independently of legality testing
8309 /* Check for rep-draws */
8311 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8312 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8313 for(k = forwardMostMove-2;
8314 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8315 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8316 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8319 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8320 /* compare castling rights */
8321 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8322 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8323 rights++; /* King lost rights, while rook still had them */
8324 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8325 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8326 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8327 rights++; /* but at least one rook lost them */
8329 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8330 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8332 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8333 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8334 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8337 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8338 && appData.drawRepeats > 1) {
8339 /* adjudicate after user-specified nr of repeats */
8340 int result = GameIsDrawn;
8341 char *details = "XBoard adjudication: repetition draw";
8342 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8343 // [HGM] xiangqi: check for forbidden perpetuals
8344 int m, ourPerpetual = 1, hisPerpetual = 1;
8345 for(m=forwardMostMove; m>k; m-=2) {
8346 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8347 ourPerpetual = 0; // the current mover did not always check
8348 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8349 hisPerpetual = 0; // the opponent did not always check
8351 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8352 ourPerpetual, hisPerpetual);
8353 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8354 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8355 details = "Xboard adjudication: perpetual checking";
8357 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8358 break; // (or we would have caught him before). Abort repetition-checking loop.
8360 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8361 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8363 details = "Xboard adjudication: repetition";
8365 } else // it must be XQ
8366 // Now check for perpetual chases
8367 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8368 hisPerpetual = PerpetualChase(k, forwardMostMove);
8369 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8370 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8371 static char resdet[MSG_SIZ];
8372 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8374 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8376 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8377 break; // Abort repetition-checking loop.
8379 // if neither of us is checking or chasing all the time, or both are, it is draw
8381 if(engineOpponent) {
8382 SendToProgram("force\n", engineOpponent); // suppress reply
8383 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8385 GameEnds( result, details, GE_XBOARD );
8388 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8389 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8393 /* Now we test for 50-move draws. Determine ply count */
8394 count = forwardMostMove;
8395 /* look for last irreversble move */
8396 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8398 /* if we hit starting position, add initial plies */
8399 if( count == backwardMostMove )
8400 count -= initialRulePlies;
8401 count = forwardMostMove - count;
8402 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8403 // adjust reversible move counter for checks in Xiangqi
8404 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8405 if(i < backwardMostMove) i = backwardMostMove;
8406 while(i <= forwardMostMove) {
8407 lastCheck = inCheck; // check evasion does not count
8408 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8409 if(inCheck || lastCheck) count--; // check does not count
8414 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8415 /* this is used to judge if draw claims are legal */
8416 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8417 if(engineOpponent) {
8418 SendToProgram("force\n", engineOpponent); // suppress reply
8419 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8421 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8425 /* if draw offer is pending, treat it as a draw claim
8426 * when draw condition present, to allow engines a way to
8427 * claim draws before making their move to avoid a race
8428 * condition occurring after their move
8430 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8432 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8433 p = "Draw claim: 50-move rule";
8434 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8435 p = "Draw claim: 3-fold repetition";
8436 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8437 p = "Draw claim: insufficient mating material";
8438 if( p != NULL && canAdjudicate) {
8439 if(engineOpponent) {
8440 SendToProgram("force\n", engineOpponent); // suppress reply
8441 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8443 GameEnds( GameIsDrawn, p, GE_XBOARD );
8448 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8449 if(engineOpponent) {
8450 SendToProgram("force\n", engineOpponent); // suppress reply
8451 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8453 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8459 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8460 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8461 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8466 int pieces[10], squares[10], cnt=0, r, f, res;
8468 static PPROBE_EGBB probeBB;
8469 if(!appData.testLegality) return 10;
8470 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8471 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8472 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8473 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8474 ChessSquare piece = boards[forwardMostMove][r][f];
8475 int black = (piece >= BlackPawn);
8476 int type = piece - black*BlackPawn;
8477 if(piece == EmptySquare) continue;
8478 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8479 if(type == WhiteKing) type = WhiteQueen + 1;
8480 type = egbbCode[type];
8481 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8482 pieces[cnt] = type + black*6;
8483 if(++cnt > 5) return 11;
8485 pieces[cnt] = squares[cnt] = 0;
8487 if(loaded == 2) return 13; // loading failed before
8489 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8492 loaded = 2; // prepare for failure
8493 if(!path) return 13; // no egbb installed
8494 strncpy(buf, path + 8, MSG_SIZ);
8495 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8496 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8497 lib = LoadLibrary(buf);
8498 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8499 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8500 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8501 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8502 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8503 loaded = 1; // success!
8505 res = probeBB(forwardMostMove & 1, pieces, squares);
8506 return res > 0 ? 1 : res < 0 ? -1 : 0;
8510 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8511 { // [HGM] book: this routine intercepts moves to simulate book replies
8512 char *bookHit = NULL;
8514 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8516 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8517 SendToProgram(buf, cps);
8519 //first determine if the incoming move brings opponent into his book
8520 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8521 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8522 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8523 if(bookHit != NULL && !cps->bookSuspend) {
8524 // make sure opponent is not going to reply after receiving move to book position
8525 SendToProgram("force\n", cps);
8526 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8528 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8529 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8530 // now arrange restart after book miss
8532 // after a book hit we never send 'go', and the code after the call to this routine
8533 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8534 char buf[MSG_SIZ], *move = bookHit;
8536 int fromX, fromY, toX, toY;
8540 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8541 &fromX, &fromY, &toX, &toY, &promoChar)) {
8542 (void) CoordsToAlgebraic(boards[forwardMostMove],
8543 PosFlags(forwardMostMove),
8544 fromY, fromX, toY, toX, promoChar, move);
8546 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8550 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8551 SendToProgram(buf, cps);
8552 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8553 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8554 SendToProgram("go\n", cps);
8555 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8556 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8557 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8558 SendToProgram("go\n", cps);
8559 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8561 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8565 LoadError (char *errmess, ChessProgramState *cps)
8566 { // unloads engine and switches back to -ncp mode if it was first
8567 if(cps->initDone) return FALSE;
8568 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8569 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8572 appData.noChessProgram = TRUE;
8573 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8574 gameMode = BeginningOfGame; ModeHighlight();
8577 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8578 DisplayMessage("", ""); // erase waiting message
8579 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8584 ChessProgramState *savedState;
8586 DeferredBookMove (void)
8588 if(savedState->lastPing != savedState->lastPong)
8589 ScheduleDelayedEvent(DeferredBookMove, 10);
8591 HandleMachineMove(savedMessage, savedState);
8594 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8595 static ChessProgramState *stalledEngine;
8596 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8599 HandleMachineMove (char *message, ChessProgramState *cps)
8601 static char firstLeg[20];
8602 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8603 char realname[MSG_SIZ];
8604 int fromX, fromY, toX, toY;
8606 char promoChar, roar;
8608 int machineWhite, oldError;
8611 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8612 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8613 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8614 DisplayError(_("Invalid pairing from pairing engine"), 0);
8617 pairingReceived = 1;
8619 return; // Skim the pairing messages here.
8622 oldError = cps->userError; cps->userError = 0;
8624 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8626 * Kludge to ignore BEL characters
8628 while (*message == '\007') message++;
8631 * [HGM] engine debug message: ignore lines starting with '#' character
8633 if(cps->debug && *message == '#') return;
8636 * Look for book output
8638 if (cps == &first && bookRequested) {
8639 if (message[0] == '\t' || message[0] == ' ') {
8640 /* Part of the book output is here; append it */
8641 strcat(bookOutput, message);
8642 strcat(bookOutput, " \n");
8644 } else if (bookOutput[0] != NULLCHAR) {
8645 /* All of book output has arrived; display it */
8646 char *p = bookOutput;
8647 while (*p != NULLCHAR) {
8648 if (*p == '\t') *p = ' ';
8651 DisplayInformation(bookOutput);
8652 bookRequested = FALSE;
8653 /* Fall through to parse the current output */
8658 * Look for machine move.
8660 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8661 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8663 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8664 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8665 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8666 stalledEngine = cps;
8667 if(appData.ponderNextMove) { // bring opponent out of ponder
8668 if(gameMode == TwoMachinesPlay) {
8669 if(cps->other->pause)
8670 PauseEngine(cps->other);
8672 SendToProgram("easy\n", cps->other);
8681 /* This method is only useful on engines that support ping */
8682 if(abortEngineThink) {
8683 if (appData.debugMode) {
8684 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8686 SendToProgram("undo\n", cps);
8690 if (cps->lastPing != cps->lastPong) {
8691 /* Extra move from before last new; ignore */
8692 if (appData.debugMode) {
8693 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8701 case BeginningOfGame:
8702 /* Extra move from before last reset; ignore */
8703 if (appData.debugMode) {
8704 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8711 /* Extra move after we tried to stop. The mode test is
8712 not a reliable way of detecting this problem, but it's
8713 the best we can do on engines that don't support ping.
8715 if (appData.debugMode) {
8716 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8717 cps->which, gameMode);
8719 SendToProgram("undo\n", cps);
8722 case MachinePlaysWhite:
8723 case IcsPlayingWhite:
8724 machineWhite = TRUE;
8727 case MachinePlaysBlack:
8728 case IcsPlayingBlack:
8729 machineWhite = FALSE;
8732 case TwoMachinesPlay:
8733 machineWhite = (cps->twoMachinesColor[0] == 'w');
8736 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8737 if (appData.debugMode) {
8739 "Ignoring move out of turn by %s, gameMode %d"
8740 ", forwardMost %d\n",
8741 cps->which, gameMode, forwardMostMove);
8747 if(cps->alphaRank) AlphaRank(machineMove, 4);
8749 // [HGM] lion: (some very limited) support for Alien protocol
8750 killX = killY = kill2X = kill2Y = -1;
8751 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8752 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8755 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8756 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8757 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8759 if(firstLeg[0]) { // there was a previous leg;
8760 // only support case where same piece makes two step
8761 char buf[20], *p = machineMove+1, *q = buf+1, f;
8762 safeStrCpy(buf, machineMove, 20);
8763 while(isdigit(*q)) q++; // find start of to-square
8764 safeStrCpy(machineMove, firstLeg, 20);
8765 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8766 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8767 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8768 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8769 firstLeg[0] = NULLCHAR;
8772 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8773 &fromX, &fromY, &toX, &toY, &promoChar)) {
8774 /* Machine move could not be parsed; ignore it. */
8775 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8776 machineMove, _(cps->which));
8777 DisplayMoveError(buf1);
8778 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8779 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8780 if (gameMode == TwoMachinesPlay) {
8781 GameEnds(machineWhite ? BlackWins : WhiteWins,
8787 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8788 /* So we have to redo legality test with true e.p. status here, */
8789 /* to make sure an illegal e.p. capture does not slip through, */
8790 /* to cause a forfeit on a justified illegal-move complaint */
8791 /* of the opponent. */
8792 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8794 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8795 fromY, fromX, toY, toX, promoChar);
8796 if(moveType == IllegalMove) {
8797 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8798 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8799 GameEnds(machineWhite ? BlackWins : WhiteWins,
8802 } else if(!appData.fischerCastling)
8803 /* [HGM] Kludge to handle engines that send FRC-style castling
8804 when they shouldn't (like TSCP-Gothic) */
8806 case WhiteASideCastleFR:
8807 case BlackASideCastleFR:
8809 currentMoveString[2]++;
8811 case WhiteHSideCastleFR:
8812 case BlackHSideCastleFR:
8814 currentMoveString[2]--;
8816 default: ; // nothing to do, but suppresses warning of pedantic compilers
8819 hintRequested = FALSE;
8820 lastHint[0] = NULLCHAR;
8821 bookRequested = FALSE;
8822 /* Program may be pondering now */
8823 cps->maybeThinking = TRUE;
8824 if (cps->sendTime == 2) cps->sendTime = 1;
8825 if (cps->offeredDraw) cps->offeredDraw--;
8827 /* [AS] Save move info*/
8828 pvInfoList[ forwardMostMove ].score = programStats.score;
8829 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8830 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8832 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8834 /* Test suites abort the 'game' after one move */
8835 if(*appData.finger) {
8837 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8838 if(!f) f = fopen(appData.finger, "w");
8839 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8840 else { DisplayFatalError("Bad output file", errno, 0); return; }
8842 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8845 if(solvingTime >= 0) {
8846 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8847 totalTime += solvingTime; first.matchWins++;
8849 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8852 OutputKibitz(2, buf1);
8853 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8856 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8857 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8860 while( count < adjudicateLossPlies ) {
8861 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8864 score = -score; /* Flip score for winning side */
8867 if( score > appData.adjudicateLossThreshold ) {
8874 if( count >= adjudicateLossPlies ) {
8875 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8877 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8878 "Xboard adjudication",
8885 if(Adjudicate(cps)) {
8886 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8887 return; // [HGM] adjudicate: for all automatic game ends
8891 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8893 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8894 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8896 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8898 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8900 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8901 char buf[3*MSG_SIZ];
8903 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8904 programStats.score / 100.,
8906 programStats.time / 100.,
8907 (unsigned int)programStats.nodes,
8908 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8909 programStats.movelist);
8915 /* [AS] Clear stats for next move */
8916 ClearProgramStats();
8917 thinkOutput[0] = NULLCHAR;
8918 hiddenThinkOutputState = 0;
8921 if (gameMode == TwoMachinesPlay) {
8922 /* [HGM] relaying draw offers moved to after reception of move */
8923 /* and interpreting offer as claim if it brings draw condition */
8924 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8925 SendToProgram("draw\n", cps->other);
8927 if (cps->other->sendTime) {
8928 SendTimeRemaining(cps->other,
8929 cps->other->twoMachinesColor[0] == 'w');
8931 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8932 if (firstMove && !bookHit) {
8934 if (cps->other->useColors) {
8935 SendToProgram(cps->other->twoMachinesColor, cps->other);
8937 SendToProgram("go\n", cps->other);
8939 cps->other->maybeThinking = TRUE;
8942 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8944 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8946 if (!pausing && appData.ringBellAfterMoves) {
8947 if(!roar) RingBell();
8951 * Reenable menu items that were disabled while
8952 * machine was thinking
8954 if (gameMode != TwoMachinesPlay)
8955 SetUserThinkingEnables();
8957 // [HGM] book: after book hit opponent has received move and is now in force mode
8958 // force the book reply into it, and then fake that it outputted this move by jumping
8959 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8961 static char bookMove[MSG_SIZ]; // a bit generous?
8963 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8964 strcat(bookMove, bookHit);
8967 programStats.nodes = programStats.depth = programStats.time =
8968 programStats.score = programStats.got_only_move = 0;
8969 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8971 if(cps->lastPing != cps->lastPong) {
8972 savedMessage = message; // args for deferred call
8974 ScheduleDelayedEvent(DeferredBookMove, 10);
8983 /* Set special modes for chess engines. Later something general
8984 * could be added here; for now there is just one kludge feature,
8985 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8986 * when "xboard" is given as an interactive command.
8988 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8989 cps->useSigint = FALSE;
8990 cps->useSigterm = FALSE;
8992 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8993 ParseFeatures(message+8, cps);
8994 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8997 if (!strncmp(message, "setup ", 6) &&
8998 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8999 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9000 ) { // [HGM] allow first engine to define opening position
9001 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9002 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9004 if(sscanf(message, "setup (%s", buf) == 1) {
9005 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9006 ASSIGN(appData.pieceToCharTable, buf);
9008 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9010 while(message[s] && message[s++] != ' ');
9011 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9012 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9013 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9014 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9015 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9016 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9017 startedFromSetupPosition = FALSE;
9020 if(startedFromSetupPosition) return;
9021 ParseFEN(boards[0], &dummy, message+s, FALSE);
9022 DrawPosition(TRUE, boards[0]);
9023 CopyBoard(initialPosition, boards[0]);
9024 startedFromSetupPosition = TRUE;
9027 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9028 ChessSquare piece = WhitePawn;
9029 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9030 if(*p == '+') piece = CHUPROMOTED WhitePawn, ID = *++p;
9031 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9032 piece += CharToPiece(ID & 255) - WhitePawn;
9033 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9034 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9035 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9036 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9037 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9038 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9039 && gameInfo.variant != VariantGreat
9040 && gameInfo.variant != VariantFairy ) return;
9041 if(piece < EmptySquare) {
9043 ASSIGN(pieceDesc[piece], buf1);
9044 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9048 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9049 promoSweep = PieceToChar(forwardMostMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9053 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9054 * want this, I was asked to put it in, and obliged.
9056 if (!strncmp(message, "setboard ", 9)) {
9057 Board initial_position;
9059 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9061 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9062 DisplayError(_("Bad FEN received from engine"), 0);
9066 CopyBoard(boards[0], initial_position);
9067 initialRulePlies = FENrulePlies;
9068 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9069 else gameMode = MachinePlaysBlack;
9070 DrawPosition(FALSE, boards[currentMove]);
9076 * Look for communication commands
9078 if (!strncmp(message, "telluser ", 9)) {
9079 if(message[9] == '\\' && message[10] == '\\')
9080 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9082 DisplayNote(message + 9);
9085 if (!strncmp(message, "tellusererror ", 14)) {
9087 if(message[14] == '\\' && message[15] == '\\')
9088 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9090 DisplayError(message + 14, 0);
9093 if (!strncmp(message, "tellopponent ", 13)) {
9094 if (appData.icsActive) {
9096 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9100 DisplayNote(message + 13);
9104 if (!strncmp(message, "tellothers ", 11)) {
9105 if (appData.icsActive) {
9107 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9110 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9113 if (!strncmp(message, "tellall ", 8)) {
9114 if (appData.icsActive) {
9116 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9120 DisplayNote(message + 8);
9124 if (strncmp(message, "warning", 7) == 0) {
9125 /* Undocumented feature, use tellusererror in new code */
9126 DisplayError(message, 0);
9129 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9130 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9131 strcat(realname, " query");
9132 AskQuestion(realname, buf2, buf1, cps->pr);
9135 /* Commands from the engine directly to ICS. We don't allow these to be
9136 * sent until we are logged on. Crafty kibitzes have been known to
9137 * interfere with the login process.
9140 if (!strncmp(message, "tellics ", 8)) {
9141 SendToICS(message + 8);
9145 if (!strncmp(message, "tellicsnoalias ", 15)) {
9146 SendToICS(ics_prefix);
9147 SendToICS(message + 15);
9151 /* The following are for backward compatibility only */
9152 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9153 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9154 SendToICS(ics_prefix);
9160 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9161 if(initPing == cps->lastPong) {
9162 if(gameInfo.variant == VariantUnknown) {
9163 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9164 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9165 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9169 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9170 abortEngineThink = FALSE;
9171 DisplayMessage("", "");
9176 if(!strncmp(message, "highlight ", 10)) {
9177 if(appData.testLegality && !*engineVariant && appData.markers) return;
9178 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9181 if(!strncmp(message, "click ", 6)) {
9182 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9183 if(appData.testLegality || !appData.oneClick) return;
9184 sscanf(message+6, "%c%d%c", &f, &y, &c);
9185 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9186 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9187 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9188 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9189 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9190 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9191 LeftClick(Release, lastLeftX, lastLeftY);
9192 controlKey = (c == ',');
9193 LeftClick(Press, x, y);
9194 LeftClick(Release, x, y);
9195 first.highlight = f;
9199 * If the move is illegal, cancel it and redraw the board.
9200 * Also deal with other error cases. Matching is rather loose
9201 * here to accommodate engines written before the spec.
9203 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9204 strncmp(message, "Error", 5) == 0) {
9205 if (StrStr(message, "name") ||
9206 StrStr(message, "rating") || StrStr(message, "?") ||
9207 StrStr(message, "result") || StrStr(message, "board") ||
9208 StrStr(message, "bk") || StrStr(message, "computer") ||
9209 StrStr(message, "variant") || StrStr(message, "hint") ||
9210 StrStr(message, "random") || StrStr(message, "depth") ||
9211 StrStr(message, "accepted")) {
9214 if (StrStr(message, "protover")) {
9215 /* Program is responding to input, so it's apparently done
9216 initializing, and this error message indicates it is
9217 protocol version 1. So we don't need to wait any longer
9218 for it to initialize and send feature commands. */
9219 FeatureDone(cps, 1);
9220 cps->protocolVersion = 1;
9223 cps->maybeThinking = FALSE;
9225 if (StrStr(message, "draw")) {
9226 /* Program doesn't have "draw" command */
9227 cps->sendDrawOffers = 0;
9230 if (cps->sendTime != 1 &&
9231 (StrStr(message, "time") || StrStr(message, "otim"))) {
9232 /* Program apparently doesn't have "time" or "otim" command */
9236 if (StrStr(message, "analyze")) {
9237 cps->analysisSupport = FALSE;
9238 cps->analyzing = FALSE;
9239 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9240 EditGameEvent(); // [HGM] try to preserve loaded game
9241 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9242 DisplayError(buf2, 0);
9245 if (StrStr(message, "(no matching move)st")) {
9246 /* Special kludge for GNU Chess 4 only */
9247 cps->stKludge = TRUE;
9248 SendTimeControl(cps, movesPerSession, timeControl,
9249 timeIncrement, appData.searchDepth,
9253 if (StrStr(message, "(no matching move)sd")) {
9254 /* Special kludge for GNU Chess 4 only */
9255 cps->sdKludge = TRUE;
9256 SendTimeControl(cps, movesPerSession, timeControl,
9257 timeIncrement, appData.searchDepth,
9261 if (!StrStr(message, "llegal")) {
9264 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9265 gameMode == IcsIdle) return;
9266 if (forwardMostMove <= backwardMostMove) return;
9267 if (pausing) PauseEvent();
9268 if(appData.forceIllegal) {
9269 // [HGM] illegal: machine refused move; force position after move into it
9270 SendToProgram("force\n", cps);
9271 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9272 // we have a real problem now, as SendBoard will use the a2a3 kludge
9273 // when black is to move, while there might be nothing on a2 or black
9274 // might already have the move. So send the board as if white has the move.
9275 // But first we must change the stm of the engine, as it refused the last move
9276 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9277 if(WhiteOnMove(forwardMostMove)) {
9278 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9279 SendBoard(cps, forwardMostMove); // kludgeless board
9281 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9282 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9283 SendBoard(cps, forwardMostMove+1); // kludgeless board
9285 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9286 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9287 gameMode == TwoMachinesPlay)
9288 SendToProgram("go\n", cps);
9291 if (gameMode == PlayFromGameFile) {
9292 /* Stop reading this game file */
9293 gameMode = EditGame;
9296 /* [HGM] illegal-move claim should forfeit game when Xboard */
9297 /* only passes fully legal moves */
9298 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9299 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9300 "False illegal-move claim", GE_XBOARD );
9301 return; // do not take back move we tested as valid
9303 currentMove = forwardMostMove-1;
9304 DisplayMove(currentMove-1); /* before DisplayMoveError */
9305 SwitchClocks(forwardMostMove-1); // [HGM] race
9306 DisplayBothClocks();
9307 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9308 parseList[currentMove], _(cps->which));
9309 DisplayMoveError(buf1);
9310 DrawPosition(FALSE, boards[currentMove]);
9312 SetUserThinkingEnables();
9315 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9316 /* Program has a broken "time" command that
9317 outputs a string not ending in newline.
9321 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9322 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9323 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9327 * If chess program startup fails, exit with an error message.
9328 * Attempts to recover here are futile. [HGM] Well, we try anyway
9330 if ((StrStr(message, "unknown host") != NULL)
9331 || (StrStr(message, "No remote directory") != NULL)
9332 || (StrStr(message, "not found") != NULL)
9333 || (StrStr(message, "No such file") != NULL)
9334 || (StrStr(message, "can't alloc") != NULL)
9335 || (StrStr(message, "Permission denied") != NULL)) {
9337 cps->maybeThinking = FALSE;
9338 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9339 _(cps->which), cps->program, cps->host, message);
9340 RemoveInputSource(cps->isr);
9341 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9342 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9343 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9349 * Look for hint output
9351 if (sscanf(message, "Hint: %s", buf1) == 1) {
9352 if (cps == &first && hintRequested) {
9353 hintRequested = FALSE;
9354 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9355 &fromX, &fromY, &toX, &toY, &promoChar)) {
9356 (void) CoordsToAlgebraic(boards[forwardMostMove],
9357 PosFlags(forwardMostMove),
9358 fromY, fromX, toY, toX, promoChar, buf1);
9359 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9360 DisplayInformation(buf2);
9362 /* Hint move could not be parsed!? */
9363 snprintf(buf2, sizeof(buf2),
9364 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9365 buf1, _(cps->which));
9366 DisplayError(buf2, 0);
9369 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9375 * Ignore other messages if game is not in progress
9377 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9378 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9381 * look for win, lose, draw, or draw offer
9383 if (strncmp(message, "1-0", 3) == 0) {
9384 char *p, *q, *r = "";
9385 p = strchr(message, '{');
9393 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9395 } else if (strncmp(message, "0-1", 3) == 0) {
9396 char *p, *q, *r = "";
9397 p = strchr(message, '{');
9405 /* Kludge for Arasan 4.1 bug */
9406 if (strcmp(r, "Black resigns") == 0) {
9407 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9410 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9412 } else if (strncmp(message, "1/2", 3) == 0) {
9413 char *p, *q, *r = "";
9414 p = strchr(message, '{');
9423 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9426 } else if (strncmp(message, "White resign", 12) == 0) {
9427 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9429 } else if (strncmp(message, "Black resign", 12) == 0) {
9430 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9432 } else if (strncmp(message, "White matches", 13) == 0 ||
9433 strncmp(message, "Black matches", 13) == 0 ) {
9434 /* [HGM] ignore GNUShogi noises */
9436 } else if (strncmp(message, "White", 5) == 0 &&
9437 message[5] != '(' &&
9438 StrStr(message, "Black") == NULL) {
9439 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9441 } else if (strncmp(message, "Black", 5) == 0 &&
9442 message[5] != '(') {
9443 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9445 } else if (strcmp(message, "resign") == 0 ||
9446 strcmp(message, "computer resigns") == 0) {
9448 case MachinePlaysBlack:
9449 case IcsPlayingBlack:
9450 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9452 case MachinePlaysWhite:
9453 case IcsPlayingWhite:
9454 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9456 case TwoMachinesPlay:
9457 if (cps->twoMachinesColor[0] == 'w')
9458 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9460 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9467 } else if (strncmp(message, "opponent mates", 14) == 0) {
9469 case MachinePlaysBlack:
9470 case IcsPlayingBlack:
9471 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9473 case MachinePlaysWhite:
9474 case IcsPlayingWhite:
9475 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9477 case TwoMachinesPlay:
9478 if (cps->twoMachinesColor[0] == 'w')
9479 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9481 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9488 } else if (strncmp(message, "computer mates", 14) == 0) {
9490 case MachinePlaysBlack:
9491 case IcsPlayingBlack:
9492 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9494 case MachinePlaysWhite:
9495 case IcsPlayingWhite:
9496 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9498 case TwoMachinesPlay:
9499 if (cps->twoMachinesColor[0] == 'w')
9500 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9502 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9509 } else if (strncmp(message, "checkmate", 9) == 0) {
9510 if (WhiteOnMove(forwardMostMove)) {
9511 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9513 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9516 } else if (strstr(message, "Draw") != NULL ||
9517 strstr(message, "game is a draw") != NULL) {
9518 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9520 } else if (strstr(message, "offer") != NULL &&
9521 strstr(message, "draw") != NULL) {
9523 if (appData.zippyPlay && first.initDone) {
9524 /* Relay offer to ICS */
9525 SendToICS(ics_prefix);
9526 SendToICS("draw\n");
9529 cps->offeredDraw = 2; /* valid until this engine moves twice */
9530 if (gameMode == TwoMachinesPlay) {
9531 if (cps->other->offeredDraw) {
9532 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9533 /* [HGM] in two-machine mode we delay relaying draw offer */
9534 /* until after we also have move, to see if it is really claim */
9536 } else if (gameMode == MachinePlaysWhite ||
9537 gameMode == MachinePlaysBlack) {
9538 if (userOfferedDraw) {
9539 DisplayInformation(_("Machine accepts your draw offer"));
9540 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9542 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9549 * Look for thinking output
9551 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9552 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9554 int plylev, mvleft, mvtot, curscore, time;
9555 char mvname[MOVE_LEN];
9559 int prefixHint = FALSE;
9560 mvname[0] = NULLCHAR;
9563 case MachinePlaysBlack:
9564 case IcsPlayingBlack:
9565 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9567 case MachinePlaysWhite:
9568 case IcsPlayingWhite:
9569 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9574 case IcsObserving: /* [DM] icsEngineAnalyze */
9575 if (!appData.icsEngineAnalyze) ignore = TRUE;
9577 case TwoMachinesPlay:
9578 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9588 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9590 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9591 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9592 char score_buf[MSG_SIZ];
9594 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9595 nodes += u64Const(0x100000000);
9597 if (plyext != ' ' && plyext != '\t') {
9601 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9602 if( cps->scoreIsAbsolute &&
9603 ( gameMode == MachinePlaysBlack ||
9604 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9605 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9606 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9607 !WhiteOnMove(currentMove)
9610 curscore = -curscore;
9613 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9615 if(*bestMove) { // rememer time best EPD move was first found
9616 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9618 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9619 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9620 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9623 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9626 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9627 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9628 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9629 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9630 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9631 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9635 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9636 DisplayError(_("failed writing PV"), 0);
9639 tempStats.depth = plylev;
9640 tempStats.nodes = nodes;
9641 tempStats.time = time;
9642 tempStats.score = curscore;
9643 tempStats.got_only_move = 0;
9645 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9648 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9649 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9650 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9651 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9652 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9653 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9654 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9655 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9658 /* Buffer overflow protection */
9659 if (pv[0] != NULLCHAR) {
9660 if (strlen(pv) >= sizeof(tempStats.movelist)
9661 && appData.debugMode) {
9663 "PV is too long; using the first %u bytes.\n",
9664 (unsigned) sizeof(tempStats.movelist) - 1);
9667 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9669 sprintf(tempStats.movelist, " no PV\n");
9672 if (tempStats.seen_stat) {
9673 tempStats.ok_to_send = 1;
9676 if (strchr(tempStats.movelist, '(') != NULL) {
9677 tempStats.line_is_book = 1;
9678 tempStats.nr_moves = 0;
9679 tempStats.moves_left = 0;
9681 tempStats.line_is_book = 0;
9684 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9685 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9687 SendProgramStatsToFrontend( cps, &tempStats );
9690 [AS] Protect the thinkOutput buffer from overflow... this
9691 is only useful if buf1 hasn't overflowed first!
9693 if(curscore >= MATE_SCORE)
9694 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9695 else if(curscore <= -MATE_SCORE)
9696 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9698 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9699 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9701 (gameMode == TwoMachinesPlay ?
9702 ToUpper(cps->twoMachinesColor[0]) : ' '),
9704 prefixHint ? lastHint : "",
9705 prefixHint ? " " : "" );
9707 if( buf1[0] != NULLCHAR ) {
9708 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9710 if( strlen(pv) > max_len ) {
9711 if( appData.debugMode) {
9712 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9714 pv[max_len+1] = '\0';
9717 strcat( thinkOutput, pv);
9720 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9721 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9722 DisplayMove(currentMove - 1);
9726 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9727 /* crafty (9.25+) says "(only move) <move>"
9728 * if there is only 1 legal move
9730 sscanf(p, "(only move) %s", buf1);
9731 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9732 sprintf(programStats.movelist, "%s (only move)", buf1);
9733 programStats.depth = 1;
9734 programStats.nr_moves = 1;
9735 programStats.moves_left = 1;
9736 programStats.nodes = 1;
9737 programStats.time = 1;
9738 programStats.got_only_move = 1;
9740 /* Not really, but we also use this member to
9741 mean "line isn't going to change" (Crafty
9742 isn't searching, so stats won't change) */
9743 programStats.line_is_book = 1;
9745 SendProgramStatsToFrontend( cps, &programStats );
9747 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9748 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9749 DisplayMove(currentMove - 1);
9752 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9753 &time, &nodes, &plylev, &mvleft,
9754 &mvtot, mvname) >= 5) {
9755 /* The stat01: line is from Crafty (9.29+) in response
9756 to the "." command */
9757 programStats.seen_stat = 1;
9758 cps->maybeThinking = TRUE;
9760 if (programStats.got_only_move || !appData.periodicUpdates)
9763 programStats.depth = plylev;
9764 programStats.time = time;
9765 programStats.nodes = nodes;
9766 programStats.moves_left = mvleft;
9767 programStats.nr_moves = mvtot;
9768 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9769 programStats.ok_to_send = 1;
9770 programStats.movelist[0] = '\0';
9772 SendProgramStatsToFrontend( cps, &programStats );
9776 } else if (strncmp(message,"++",2) == 0) {
9777 /* Crafty 9.29+ outputs this */
9778 programStats.got_fail = 2;
9781 } else if (strncmp(message,"--",2) == 0) {
9782 /* Crafty 9.29+ outputs this */
9783 programStats.got_fail = 1;
9786 } else if (thinkOutput[0] != NULLCHAR &&
9787 strncmp(message, " ", 4) == 0) {
9788 unsigned message_len;
9791 while (*p && *p == ' ') p++;
9793 message_len = strlen( p );
9795 /* [AS] Avoid buffer overflow */
9796 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9797 strcat(thinkOutput, " ");
9798 strcat(thinkOutput, p);
9801 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9802 strcat(programStats.movelist, " ");
9803 strcat(programStats.movelist, p);
9806 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9807 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9808 DisplayMove(currentMove - 1);
9816 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9817 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9819 ChessProgramStats cpstats;
9821 if (plyext != ' ' && plyext != '\t') {
9825 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9826 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9827 curscore = -curscore;
9830 cpstats.depth = plylev;
9831 cpstats.nodes = nodes;
9832 cpstats.time = time;
9833 cpstats.score = curscore;
9834 cpstats.got_only_move = 0;
9835 cpstats.movelist[0] = '\0';
9837 if (buf1[0] != NULLCHAR) {
9838 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9841 cpstats.ok_to_send = 0;
9842 cpstats.line_is_book = 0;
9843 cpstats.nr_moves = 0;
9844 cpstats.moves_left = 0;
9846 SendProgramStatsToFrontend( cps, &cpstats );
9853 /* Parse a game score from the character string "game", and
9854 record it as the history of the current game. The game
9855 score is NOT assumed to start from the standard position.
9856 The display is not updated in any way.
9859 ParseGameHistory (char *game)
9862 int fromX, fromY, toX, toY, boardIndex;
9867 if (appData.debugMode)
9868 fprintf(debugFP, "Parsing game history: %s\n", game);
9870 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9871 gameInfo.site = StrSave(appData.icsHost);
9872 gameInfo.date = PGNDate();
9873 gameInfo.round = StrSave("-");
9875 /* Parse out names of players */
9876 while (*game == ' ') game++;
9878 while (*game != ' ') *p++ = *game++;
9880 gameInfo.white = StrSave(buf);
9881 while (*game == ' ') game++;
9883 while (*game != ' ' && *game != '\n') *p++ = *game++;
9885 gameInfo.black = StrSave(buf);
9888 boardIndex = blackPlaysFirst ? 1 : 0;
9891 yyboardindex = boardIndex;
9892 moveType = (ChessMove) Myylex();
9894 case IllegalMove: /* maybe suicide chess, etc. */
9895 if (appData.debugMode) {
9896 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9897 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9898 setbuf(debugFP, NULL);
9900 case WhitePromotion:
9901 case BlackPromotion:
9902 case WhiteNonPromotion:
9903 case BlackNonPromotion:
9906 case WhiteCapturesEnPassant:
9907 case BlackCapturesEnPassant:
9908 case WhiteKingSideCastle:
9909 case WhiteQueenSideCastle:
9910 case BlackKingSideCastle:
9911 case BlackQueenSideCastle:
9912 case WhiteKingSideCastleWild:
9913 case WhiteQueenSideCastleWild:
9914 case BlackKingSideCastleWild:
9915 case BlackQueenSideCastleWild:
9917 case WhiteHSideCastleFR:
9918 case WhiteASideCastleFR:
9919 case BlackHSideCastleFR:
9920 case BlackASideCastleFR:
9922 fromX = currentMoveString[0] - AAA;
9923 fromY = currentMoveString[1] - ONE;
9924 toX = currentMoveString[2] - AAA;
9925 toY = currentMoveString[3] - ONE;
9926 promoChar = currentMoveString[4];
9930 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9931 fromX = moveType == WhiteDrop ?
9932 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9933 (int) CharToPiece(ToLower(currentMoveString[0]));
9935 toX = currentMoveString[2] - AAA;
9936 toY = currentMoveString[3] - ONE;
9937 promoChar = NULLCHAR;
9941 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9942 if (appData.debugMode) {
9943 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9944 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9945 setbuf(debugFP, NULL);
9947 DisplayError(buf, 0);
9949 case ImpossibleMove:
9951 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9952 if (appData.debugMode) {
9953 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9954 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9955 setbuf(debugFP, NULL);
9957 DisplayError(buf, 0);
9960 if (boardIndex < backwardMostMove) {
9961 /* Oops, gap. How did that happen? */
9962 DisplayError(_("Gap in move list"), 0);
9965 backwardMostMove = blackPlaysFirst ? 1 : 0;
9966 if (boardIndex > forwardMostMove) {
9967 forwardMostMove = boardIndex;
9971 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9972 strcat(parseList[boardIndex-1], " ");
9973 strcat(parseList[boardIndex-1], yy_text);
9985 case GameUnfinished:
9986 if (gameMode == IcsExamining) {
9987 if (boardIndex < backwardMostMove) {
9988 /* Oops, gap. How did that happen? */
9991 backwardMostMove = blackPlaysFirst ? 1 : 0;
9994 gameInfo.result = moveType;
9995 p = strchr(yy_text, '{');
9996 if (p == NULL) p = strchr(yy_text, '(');
9999 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10001 q = strchr(p, *p == '{' ? '}' : ')');
10002 if (q != NULL) *q = NULLCHAR;
10005 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10006 gameInfo.resultDetails = StrSave(p);
10009 if (boardIndex >= forwardMostMove &&
10010 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10011 backwardMostMove = blackPlaysFirst ? 1 : 0;
10014 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10015 fromY, fromX, toY, toX, promoChar,
10016 parseList[boardIndex]);
10017 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10018 /* currentMoveString is set as a side-effect of yylex */
10019 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10020 strcat(moveList[boardIndex], "\n");
10022 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10023 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10029 if(!IS_SHOGI(gameInfo.variant))
10030 strcat(parseList[boardIndex - 1], "+");
10034 strcat(parseList[boardIndex - 1], "#");
10041 /* Apply a move to the given board */
10043 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10045 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10046 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10048 /* [HGM] compute & store e.p. status and castling rights for new position */
10049 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10051 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10052 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10053 board[EP_STATUS] = EP_NONE;
10054 board[EP_FILE] = board[EP_RANK] = 100;
10056 if (fromY == DROP_RANK) {
10057 /* must be first */
10058 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10059 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10062 piece = board[toY][toX] = (ChessSquare) fromX;
10064 // ChessSquare victim;
10067 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10068 // victim = board[killY][killX],
10069 killed = board[killY][killX],
10070 board[killY][killX] = EmptySquare,
10071 board[EP_STATUS] = EP_CAPTURE;
10072 if( kill2X >= 0 && kill2Y >= 0)
10073 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10076 if( board[toY][toX] != EmptySquare ) {
10077 board[EP_STATUS] = EP_CAPTURE;
10078 if( (fromX != toX || fromY != toY) && // not igui!
10079 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10080 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10081 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10085 pawn = board[fromY][fromX];
10086 if( pawn == WhiteLance || pawn == BlackLance ) {
10087 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10088 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10089 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10092 if( pawn == WhitePawn ) {
10093 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10094 board[EP_STATUS] = EP_PAWN_MOVE;
10095 if( toY-fromY>=2) {
10096 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10097 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10098 gameInfo.variant != VariantBerolina || toX < fromX)
10099 board[EP_STATUS] = toX | berolina;
10100 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10101 gameInfo.variant != VariantBerolina || toX > fromX)
10102 board[EP_STATUS] = toX;
10105 if( pawn == BlackPawn ) {
10106 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10107 board[EP_STATUS] = EP_PAWN_MOVE;
10108 if( toY-fromY<= -2) {
10109 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10110 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10111 gameInfo.variant != VariantBerolina || toX < fromX)
10112 board[EP_STATUS] = toX | berolina;
10113 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10114 gameInfo.variant != VariantBerolina || toX > fromX)
10115 board[EP_STATUS] = toX;
10119 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10120 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10121 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10122 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10124 for(i=0; i<nrCastlingRights; i++) {
10125 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10126 board[CASTLING][i] == toX && castlingRank[i] == toY
10127 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10130 if(gameInfo.variant == VariantSChess) { // update virginity
10131 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10132 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10133 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10134 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10137 if (fromX == toX && fromY == toY) return;
10139 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10140 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10141 if(gameInfo.variant == VariantKnightmate)
10142 king += (int) WhiteUnicorn - (int) WhiteKing;
10144 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10145 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10146 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10147 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10148 board[EP_STATUS] = EP_NONE; // capture was fake!
10150 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10151 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10152 board[toY][toX] = piece;
10153 board[EP_STATUS] = EP_NONE; // capture was fake!
10155 /* Code added by Tord: */
10156 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10157 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10158 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10159 board[EP_STATUS] = EP_NONE; // capture was fake!
10160 board[fromY][fromX] = EmptySquare;
10161 board[toY][toX] = EmptySquare;
10162 if((toX > fromX) != (piece == WhiteRook)) {
10163 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10165 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10167 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10168 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10169 board[EP_STATUS] = EP_NONE;
10170 board[fromY][fromX] = EmptySquare;
10171 board[toY][toX] = EmptySquare;
10172 if((toX > fromX) != (piece == BlackRook)) {
10173 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10175 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10177 /* End of code added by Tord */
10179 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10180 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10181 board[toY][toX] = piece;
10182 } else if (board[fromY][fromX] == king
10183 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10184 && toY == fromY && toX > fromX+1) {
10185 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10186 board[fromY][toX-1] = board[fromY][rookX];
10187 board[fromY][rookX] = EmptySquare;
10188 board[fromY][fromX] = EmptySquare;
10189 board[toY][toX] = king;
10190 } else if (board[fromY][fromX] == king
10191 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10192 && toY == fromY && toX < fromX-1) {
10193 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10194 board[fromY][toX+1] = board[fromY][rookX];
10195 board[fromY][rookX] = EmptySquare;
10196 board[fromY][fromX] = EmptySquare;
10197 board[toY][toX] = king;
10198 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10199 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10200 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10202 /* white pawn promotion */
10203 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10204 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10205 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10206 board[fromY][fromX] = EmptySquare;
10207 } else if ((fromY >= BOARD_HEIGHT>>1)
10208 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10210 && gameInfo.variant != VariantXiangqi
10211 && gameInfo.variant != VariantBerolina
10212 && (pawn == WhitePawn)
10213 && (board[toY][toX] == EmptySquare)) {
10214 board[fromY][fromX] = EmptySquare;
10215 board[toY][toX] = piece;
10216 if(toY == epRank - 128 + 1)
10217 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10219 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10220 } else if ((fromY == BOARD_HEIGHT-4)
10222 && gameInfo.variant == VariantBerolina
10223 && (board[fromY][fromX] == WhitePawn)
10224 && (board[toY][toX] == EmptySquare)) {
10225 board[fromY][fromX] = EmptySquare;
10226 board[toY][toX] = WhitePawn;
10227 if(oldEP & EP_BEROLIN_A) {
10228 captured = board[fromY][fromX-1];
10229 board[fromY][fromX-1] = EmptySquare;
10230 }else{ captured = board[fromY][fromX+1];
10231 board[fromY][fromX+1] = EmptySquare;
10233 } else if (board[fromY][fromX] == king
10234 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10235 && toY == fromY && toX > fromX+1) {
10236 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10237 board[fromY][toX-1] = board[fromY][rookX];
10238 board[fromY][rookX] = EmptySquare;
10239 board[fromY][fromX] = EmptySquare;
10240 board[toY][toX] = king;
10241 } else if (board[fromY][fromX] == king
10242 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10243 && toY == fromY && toX < fromX-1) {
10244 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10245 board[fromY][toX+1] = board[fromY][rookX];
10246 board[fromY][rookX] = EmptySquare;
10247 board[fromY][fromX] = EmptySquare;
10248 board[toY][toX] = king;
10249 } else if (fromY == 7 && fromX == 3
10250 && board[fromY][fromX] == BlackKing
10251 && toY == 7 && toX == 5) {
10252 board[fromY][fromX] = EmptySquare;
10253 board[toY][toX] = BlackKing;
10254 board[fromY][7] = EmptySquare;
10255 board[toY][4] = BlackRook;
10256 } else if (fromY == 7 && fromX == 3
10257 && board[fromY][fromX] == BlackKing
10258 && toY == 7 && toX == 1) {
10259 board[fromY][fromX] = EmptySquare;
10260 board[toY][toX] = BlackKing;
10261 board[fromY][0] = EmptySquare;
10262 board[toY][2] = BlackRook;
10263 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10264 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10265 && toY < promoRank && promoChar
10267 /* black pawn promotion */
10268 board[toY][toX] = CharToPiece(ToLower(promoChar));
10269 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10270 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10271 board[fromY][fromX] = EmptySquare;
10272 } else if ((fromY < BOARD_HEIGHT>>1)
10273 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10275 && gameInfo.variant != VariantXiangqi
10276 && gameInfo.variant != VariantBerolina
10277 && (pawn == BlackPawn)
10278 && (board[toY][toX] == EmptySquare)) {
10279 board[fromY][fromX] = EmptySquare;
10280 board[toY][toX] = piece;
10281 if(toY == epRank - 128 - 1)
10282 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10284 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10285 } else if ((fromY == 3)
10287 && gameInfo.variant == VariantBerolina
10288 && (board[fromY][fromX] == BlackPawn)
10289 && (board[toY][toX] == EmptySquare)) {
10290 board[fromY][fromX] = EmptySquare;
10291 board[toY][toX] = BlackPawn;
10292 if(oldEP & EP_BEROLIN_A) {
10293 captured = board[fromY][fromX-1];
10294 board[fromY][fromX-1] = EmptySquare;
10295 }else{ captured = board[fromY][fromX+1];
10296 board[fromY][fromX+1] = EmptySquare;
10299 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10300 board[fromY][fromX] = EmptySquare;
10301 board[toY][toX] = piece;
10305 if (gameInfo.holdingsWidth != 0) {
10307 /* !!A lot more code needs to be written to support holdings */
10308 /* [HGM] OK, so I have written it. Holdings are stored in the */
10309 /* penultimate board files, so they are automaticlly stored */
10310 /* in the game history. */
10311 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10312 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10313 /* Delete from holdings, by decreasing count */
10314 /* and erasing image if necessary */
10315 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10316 if(p < (int) BlackPawn) { /* white drop */
10317 p -= (int)WhitePawn;
10318 p = PieceToNumber((ChessSquare)p);
10319 if(p >= gameInfo.holdingsSize) p = 0;
10320 if(--board[p][BOARD_WIDTH-2] <= 0)
10321 board[p][BOARD_WIDTH-1] = EmptySquare;
10322 if((int)board[p][BOARD_WIDTH-2] < 0)
10323 board[p][BOARD_WIDTH-2] = 0;
10324 } else { /* black drop */
10325 p -= (int)BlackPawn;
10326 p = PieceToNumber((ChessSquare)p);
10327 if(p >= gameInfo.holdingsSize) p = 0;
10328 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10329 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10330 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10331 board[BOARD_HEIGHT-1-p][1] = 0;
10334 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10335 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10336 /* [HGM] holdings: Add to holdings, if holdings exist */
10337 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10338 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10339 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10341 p = (int) captured;
10342 if (p >= (int) BlackPawn) {
10343 p -= (int)BlackPawn;
10344 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10345 /* Restore shogi-promoted piece to its original first */
10346 captured = (ChessSquare) (DEMOTED captured);
10349 p = PieceToNumber((ChessSquare)p);
10350 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10351 board[p][BOARD_WIDTH-2]++;
10352 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10354 p -= (int)WhitePawn;
10355 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10356 captured = (ChessSquare) (DEMOTED captured);
10359 p = PieceToNumber((ChessSquare)p);
10360 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10361 board[BOARD_HEIGHT-1-p][1]++;
10362 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10365 } else if (gameInfo.variant == VariantAtomic) {
10366 if (captured != EmptySquare) {
10368 for (y = toY-1; y <= toY+1; y++) {
10369 for (x = toX-1; x <= toX+1; x++) {
10370 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10371 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10372 board[y][x] = EmptySquare;
10376 board[toY][toX] = EmptySquare;
10380 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10381 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10383 if(promoChar == '+') {
10384 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10385 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10386 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10387 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10388 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10389 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10390 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10391 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10392 board[toY][toX] = newPiece;
10394 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10395 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10396 // [HGM] superchess: take promotion piece out of holdings
10397 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10398 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10399 if(!--board[k][BOARD_WIDTH-2])
10400 board[k][BOARD_WIDTH-1] = EmptySquare;
10402 if(!--board[BOARD_HEIGHT-1-k][1])
10403 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10408 /* Updates forwardMostMove */
10410 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10412 int x = toX, y = toY;
10413 char *s = parseList[forwardMostMove];
10414 ChessSquare p = boards[forwardMostMove][toY][toX];
10415 // forwardMostMove++; // [HGM] bare: moved downstream
10417 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10418 (void) CoordsToAlgebraic(boards[forwardMostMove],
10419 PosFlags(forwardMostMove),
10420 fromY, fromX, y, x, promoChar,
10422 if(killX >= 0 && killY >= 0)
10423 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10425 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10426 int timeLeft; static int lastLoadFlag=0; int king, piece;
10427 piece = boards[forwardMostMove][fromY][fromX];
10428 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10429 if(gameInfo.variant == VariantKnightmate)
10430 king += (int) WhiteUnicorn - (int) WhiteKing;
10431 if(forwardMostMove == 0) {
10432 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10433 fprintf(serverMoves, "%s;", UserName());
10434 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10435 fprintf(serverMoves, "%s;", second.tidy);
10436 fprintf(serverMoves, "%s;", first.tidy);
10437 if(gameMode == MachinePlaysWhite)
10438 fprintf(serverMoves, "%s;", UserName());
10439 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10440 fprintf(serverMoves, "%s;", second.tidy);
10441 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10442 lastLoadFlag = loadFlag;
10444 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10445 // print castling suffix
10446 if( toY == fromY && piece == king ) {
10448 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10450 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10453 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10454 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10455 boards[forwardMostMove][toY][toX] == EmptySquare
10456 && fromX != toX && fromY != toY)
10457 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10458 // promotion suffix
10459 if(promoChar != NULLCHAR) {
10460 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10461 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10462 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10463 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10466 char buf[MOVE_LEN*2], *p; int len;
10467 fprintf(serverMoves, "/%d/%d",
10468 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10469 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10470 else timeLeft = blackTimeRemaining/1000;
10471 fprintf(serverMoves, "/%d", timeLeft);
10472 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10473 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10474 if(p = strchr(buf, '=')) *p = NULLCHAR;
10475 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10476 fprintf(serverMoves, "/%s", buf);
10478 fflush(serverMoves);
10481 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10482 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10485 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10486 if (commentList[forwardMostMove+1] != NULL) {
10487 free(commentList[forwardMostMove+1]);
10488 commentList[forwardMostMove+1] = NULL;
10490 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10491 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10492 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10493 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10494 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10495 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10496 adjustedClock = FALSE;
10497 gameInfo.result = GameUnfinished;
10498 if (gameInfo.resultDetails != NULL) {
10499 free(gameInfo.resultDetails);
10500 gameInfo.resultDetails = NULL;
10502 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10503 moveList[forwardMostMove - 1]);
10504 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10510 if(!IS_SHOGI(gameInfo.variant))
10511 strcat(parseList[forwardMostMove - 1], "+");
10515 strcat(parseList[forwardMostMove - 1], "#");
10520 /* Updates currentMove if not pausing */
10522 ShowMove (int fromX, int fromY, int toX, int toY)
10524 int instant = (gameMode == PlayFromGameFile) ?
10525 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10526 if(appData.noGUI) return;
10527 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10529 if (forwardMostMove == currentMove + 1) {
10530 AnimateMove(boards[forwardMostMove - 1],
10531 fromX, fromY, toX, toY);
10534 currentMove = forwardMostMove;
10537 killX = killY = -1; // [HGM] lion: used up
10539 if (instant) return;
10541 DisplayMove(currentMove - 1);
10542 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10543 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10544 SetHighlights(fromX, fromY, toX, toY);
10547 DrawPosition(FALSE, boards[currentMove]);
10548 DisplayBothClocks();
10549 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10553 SendEgtPath (ChessProgramState *cps)
10554 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10555 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10557 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10560 char c, *q = name+1, *r, *s;
10562 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10563 while(*p && *p != ',') *q++ = *p++;
10564 *q++ = ':'; *q = 0;
10565 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10566 strcmp(name, ",nalimov:") == 0 ) {
10567 // take nalimov path from the menu-changeable option first, if it is defined
10568 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10569 SendToProgram(buf,cps); // send egtbpath command for nalimov
10571 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10572 (s = StrStr(appData.egtFormats, name)) != NULL) {
10573 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10574 s = r = StrStr(s, ":") + 1; // beginning of path info
10575 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10576 c = *r; *r = 0; // temporarily null-terminate path info
10577 *--q = 0; // strip of trailig ':' from name
10578 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10580 SendToProgram(buf,cps); // send egtbpath command for this format
10582 if(*p == ',') p++; // read away comma to position for next format name
10587 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10589 int width = 8, height = 8, holdings = 0; // most common sizes
10590 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10591 // correct the deviations default for each variant
10592 if( v == VariantXiangqi ) width = 9, height = 10;
10593 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10594 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10595 if( v == VariantCapablanca || v == VariantCapaRandom ||
10596 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10598 if( v == VariantCourier ) width = 12;
10599 if( v == VariantSuper ) holdings = 8;
10600 if( v == VariantGreat ) width = 10, holdings = 8;
10601 if( v == VariantSChess ) holdings = 7;
10602 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10603 if( v == VariantChuChess) width = 10, height = 10;
10604 if( v == VariantChu ) width = 12, height = 12;
10605 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10606 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10607 holdingsSize >= 0 && holdingsSize != holdings;
10610 char variantError[MSG_SIZ];
10613 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10614 { // returns error message (recognizable by upper-case) if engine does not support the variant
10615 char *p, *variant = VariantName(v);
10616 static char b[MSG_SIZ];
10617 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10618 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10619 holdingsSize, variant); // cook up sized variant name
10620 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10621 if(StrStr(list, b) == NULL) {
10622 // specific sized variant not known, check if general sizing allowed
10623 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10624 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10625 boardWidth, boardHeight, holdingsSize, engine);
10628 /* [HGM] here we really should compare with the maximum supported board size */
10630 } else snprintf(b, MSG_SIZ,"%s", variant);
10631 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10632 p = StrStr(list, b);
10633 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10635 // occurs not at all in list, or only as sub-string
10636 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10637 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10638 int l = strlen(variantError);
10640 while(p != list && p[-1] != ',') p--;
10641 q = strchr(p, ',');
10642 if(q) *q = NULLCHAR;
10643 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10652 InitChessProgram (ChessProgramState *cps, int setup)
10653 /* setup needed to setup FRC opening position */
10655 char buf[MSG_SIZ], *b;
10656 if (appData.noChessProgram) return;
10657 hintRequested = FALSE;
10658 bookRequested = FALSE;
10660 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10661 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10662 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10663 if(cps->memSize) { /* [HGM] memory */
10664 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10665 SendToProgram(buf, cps);
10667 SendEgtPath(cps); /* [HGM] EGT */
10668 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10669 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10670 SendToProgram(buf, cps);
10673 setboardSpoiledMachineBlack = FALSE;
10674 SendToProgram(cps->initString, cps);
10675 if (gameInfo.variant != VariantNormal &&
10676 gameInfo.variant != VariantLoadable
10677 /* [HGM] also send variant if board size non-standard */
10678 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10680 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10681 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10684 char c, *q = cps->variants, *p = strchr(q, ',');
10685 if(p) *p = NULLCHAR;
10686 v = StringToVariant(q);
10687 DisplayError(variantError, 0);
10688 if(v != VariantUnknown && cps == &first) {
10690 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10691 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10692 ASSIGN(appData.variant, q);
10693 Reset(TRUE, FALSE);
10699 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10700 SendToProgram(buf, cps);
10702 currentlyInitializedVariant = gameInfo.variant;
10704 /* [HGM] send opening position in FRC to first engine */
10706 SendToProgram("force\n", cps);
10708 /* engine is now in force mode! Set flag to wake it up after first move. */
10709 setboardSpoiledMachineBlack = 1;
10712 if (cps->sendICS) {
10713 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10714 SendToProgram(buf, cps);
10716 cps->maybeThinking = FALSE;
10717 cps->offeredDraw = 0;
10718 if (!appData.icsActive) {
10719 SendTimeControl(cps, movesPerSession, timeControl,
10720 timeIncrement, appData.searchDepth,
10723 if (appData.showThinking
10724 // [HGM] thinking: four options require thinking output to be sent
10725 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10727 SendToProgram("post\n", cps);
10729 SendToProgram("hard\n", cps);
10730 if (!appData.ponderNextMove) {
10731 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10732 it without being sure what state we are in first. "hard"
10733 is not a toggle, so that one is OK.
10735 SendToProgram("easy\n", cps);
10737 if (cps->usePing) {
10738 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10739 SendToProgram(buf, cps);
10741 cps->initDone = TRUE;
10742 ClearEngineOutputPane(cps == &second);
10747 ResendOptions (ChessProgramState *cps)
10748 { // send the stored value of the options
10751 Option *opt = cps->option;
10752 for(i=0; i<cps->nrOptions; i++, opt++) {
10753 switch(opt->type) {
10757 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10760 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10763 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10769 SendToProgram(buf, cps);
10774 StartChessProgram (ChessProgramState *cps)
10779 if (appData.noChessProgram) return;
10780 cps->initDone = FALSE;
10782 if (strcmp(cps->host, "localhost") == 0) {
10783 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10784 } else if (*appData.remoteShell == NULLCHAR) {
10785 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10787 if (*appData.remoteUser == NULLCHAR) {
10788 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10791 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10792 cps->host, appData.remoteUser, cps->program);
10794 err = StartChildProcess(buf, "", &cps->pr);
10798 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10799 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10800 if(cps != &first) return;
10801 appData.noChessProgram = TRUE;
10804 // DisplayFatalError(buf, err, 1);
10805 // cps->pr = NoProc;
10806 // cps->isr = NULL;
10810 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10811 if (cps->protocolVersion > 1) {
10812 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10813 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10814 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10815 cps->comboCnt = 0; // and values of combo boxes
10817 SendToProgram(buf, cps);
10818 if(cps->reload) ResendOptions(cps);
10820 SendToProgram("xboard\n", cps);
10825 TwoMachinesEventIfReady P((void))
10827 static int curMess = 0;
10828 if (first.lastPing != first.lastPong) {
10829 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10830 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10833 if (second.lastPing != second.lastPong) {
10834 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10835 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10838 DisplayMessage("", ""); curMess = 0;
10839 TwoMachinesEvent();
10843 MakeName (char *template)
10847 static char buf[MSG_SIZ];
10851 clock = time((time_t *)NULL);
10852 tm = localtime(&clock);
10854 while(*p++ = *template++) if(p[-1] == '%') {
10855 switch(*template++) {
10856 case 0: *p = 0; return buf;
10857 case 'Y': i = tm->tm_year+1900; break;
10858 case 'y': i = tm->tm_year-100; break;
10859 case 'M': i = tm->tm_mon+1; break;
10860 case 'd': i = tm->tm_mday; break;
10861 case 'h': i = tm->tm_hour; break;
10862 case 'm': i = tm->tm_min; break;
10863 case 's': i = tm->tm_sec; break;
10866 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10872 CountPlayers (char *p)
10875 while(p = strchr(p, '\n')) p++, n++; // count participants
10880 WriteTourneyFile (char *results, FILE *f)
10881 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10882 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10883 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10884 // create a file with tournament description
10885 fprintf(f, "-participants {%s}\n", appData.participants);
10886 fprintf(f, "-seedBase %d\n", appData.seedBase);
10887 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10888 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10889 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10890 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10891 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10892 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10893 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10894 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10895 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10896 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10897 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10898 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10899 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10900 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10901 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10902 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10903 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10904 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10905 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10906 fprintf(f, "-smpCores %d\n", appData.smpCores);
10908 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10910 fprintf(f, "-mps %d\n", appData.movesPerSession);
10911 fprintf(f, "-tc %s\n", appData.timeControl);
10912 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10914 fprintf(f, "-results \"%s\"\n", results);
10919 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10922 Substitute (char *participants, int expunge)
10924 int i, changed, changes=0, nPlayers=0;
10925 char *p, *q, *r, buf[MSG_SIZ];
10926 if(participants == NULL) return;
10927 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10928 r = p = participants; q = appData.participants;
10929 while(*p && *p == *q) {
10930 if(*p == '\n') r = p+1, nPlayers++;
10933 if(*p) { // difference
10934 while(*p && *p++ != '\n');
10935 while(*q && *q++ != '\n');
10936 changed = nPlayers;
10937 changes = 1 + (strcmp(p, q) != 0);
10939 if(changes == 1) { // a single engine mnemonic was changed
10940 q = r; while(*q) nPlayers += (*q++ == '\n');
10941 p = buf; while(*r && (*p = *r++) != '\n') p++;
10943 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10944 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10945 if(mnemonic[i]) { // The substitute is valid
10947 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10948 flock(fileno(f), LOCK_EX);
10949 ParseArgsFromFile(f);
10950 fseek(f, 0, SEEK_SET);
10951 FREE(appData.participants); appData.participants = participants;
10952 if(expunge) { // erase results of replaced engine
10953 int len = strlen(appData.results), w, b, dummy;
10954 for(i=0; i<len; i++) {
10955 Pairing(i, nPlayers, &w, &b, &dummy);
10956 if((w == changed || b == changed) && appData.results[i] == '*') {
10957 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10962 for(i=0; i<len; i++) {
10963 Pairing(i, nPlayers, &w, &b, &dummy);
10964 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10967 WriteTourneyFile(appData.results, f);
10968 fclose(f); // release lock
10971 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10973 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10974 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10975 free(participants);
10980 CheckPlayers (char *participants)
10983 char buf[MSG_SIZ], *p;
10984 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10985 while(p = strchr(participants, '\n')) {
10987 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10989 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10991 DisplayError(buf, 0);
10995 participants = p + 1;
11001 CreateTourney (char *name)
11004 if(matchMode && strcmp(name, appData.tourneyFile)) {
11005 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11007 if(name[0] == NULLCHAR) {
11008 if(appData.participants[0])
11009 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11012 f = fopen(name, "r");
11013 if(f) { // file exists
11014 ASSIGN(appData.tourneyFile, name);
11015 ParseArgsFromFile(f); // parse it
11017 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11018 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11019 DisplayError(_("Not enough participants"), 0);
11022 if(CheckPlayers(appData.participants)) return 0;
11023 ASSIGN(appData.tourneyFile, name);
11024 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11025 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11028 appData.noChessProgram = FALSE;
11029 appData.clockMode = TRUE;
11035 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11037 char buf[MSG_SIZ], *p, *q;
11038 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11039 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11040 skip = !all && group[0]; // if group requested, we start in skip mode
11041 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11042 p = names; q = buf; header = 0;
11043 while(*p && *p != '\n') *q++ = *p++;
11045 if(*p == '\n') p++;
11046 if(buf[0] == '#') {
11047 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11048 depth++; // we must be entering a new group
11049 if(all) continue; // suppress printing group headers when complete list requested
11051 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11053 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11054 if(engineList[i]) free(engineList[i]);
11055 engineList[i] = strdup(buf);
11056 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11057 if(engineMnemonic[i]) free(engineMnemonic[i]);
11058 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11060 sscanf(q + 8, "%s", buf + strlen(buf));
11063 engineMnemonic[i] = strdup(buf);
11066 engineList[i] = engineMnemonic[i] = NULL;
11070 // following implemented as macro to avoid type limitations
11071 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11074 SwapEngines (int n)
11075 { // swap settings for first engine and other engine (so far only some selected options)
11080 SWAP(chessProgram, p)
11082 SWAP(hasOwnBookUCI, h)
11083 SWAP(protocolVersion, h)
11085 SWAP(scoreIsAbsolute, h)
11090 SWAP(engOptions, p)
11091 SWAP(engInitString, p)
11092 SWAP(computerString, p)
11094 SWAP(fenOverride, p)
11096 SWAP(accumulateTC, h)
11103 GetEngineLine (char *s, int n)
11107 extern char *icsNames;
11108 if(!s || !*s) return 0;
11109 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11110 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11111 if(!mnemonic[i]) return 0;
11112 if(n == 11) return 1; // just testing if there was a match
11113 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11114 if(n == 1) SwapEngines(n);
11115 ParseArgsFromString(buf);
11116 if(n == 1) SwapEngines(n);
11117 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11118 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11119 ParseArgsFromString(buf);
11125 SetPlayer (int player, char *p)
11126 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11128 char buf[MSG_SIZ], *engineName;
11129 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11130 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11131 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11133 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11134 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11135 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11136 ParseArgsFromString(buf);
11137 } else { // no engine with this nickname is installed!
11138 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11139 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11140 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11142 DisplayError(buf, 0);
11149 char *recentEngines;
11152 RecentEngineEvent (int nr)
11155 // SwapEngines(1); // bump first to second
11156 // ReplaceEngine(&second, 1); // and load it there
11157 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11158 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11159 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11160 ReplaceEngine(&first, 0);
11161 FloatToFront(&appData.recentEngineList, command[n]);
11166 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11167 { // determine players from game number
11168 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11170 if(appData.tourneyType == 0) {
11171 roundsPerCycle = (nPlayers - 1) | 1;
11172 pairingsPerRound = nPlayers / 2;
11173 } else if(appData.tourneyType > 0) {
11174 roundsPerCycle = nPlayers - appData.tourneyType;
11175 pairingsPerRound = appData.tourneyType;
11177 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11178 gamesPerCycle = gamesPerRound * roundsPerCycle;
11179 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11180 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11181 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11182 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11183 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11184 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11186 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11187 if(appData.roundSync) *syncInterval = gamesPerRound;
11189 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11191 if(appData.tourneyType == 0) {
11192 if(curPairing == (nPlayers-1)/2 ) {
11193 *whitePlayer = curRound;
11194 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11196 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11197 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11198 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11199 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11201 } else if(appData.tourneyType > 1) {
11202 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11203 *whitePlayer = curRound + appData.tourneyType;
11204 } else if(appData.tourneyType > 0) {
11205 *whitePlayer = curPairing;
11206 *blackPlayer = curRound + appData.tourneyType;
11209 // take care of white/black alternation per round.
11210 // For cycles and games this is already taken care of by default, derived from matchGame!
11211 return curRound & 1;
11215 NextTourneyGame (int nr, int *swapColors)
11216 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11218 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11220 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11221 tf = fopen(appData.tourneyFile, "r");
11222 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11223 ParseArgsFromFile(tf); fclose(tf);
11224 InitTimeControls(); // TC might be altered from tourney file
11226 nPlayers = CountPlayers(appData.participants); // count participants
11227 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11228 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11231 p = q = appData.results;
11232 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11233 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11234 DisplayMessage(_("Waiting for other game(s)"),"");
11235 waitingForGame = TRUE;
11236 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11239 waitingForGame = FALSE;
11242 if(appData.tourneyType < 0) {
11243 if(nr>=0 && !pairingReceived) {
11245 if(pairing.pr == NoProc) {
11246 if(!appData.pairingEngine[0]) {
11247 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11250 StartChessProgram(&pairing); // starts the pairing engine
11252 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11253 SendToProgram(buf, &pairing);
11254 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11255 SendToProgram(buf, &pairing);
11256 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11258 pairingReceived = 0; // ... so we continue here
11260 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11261 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11262 matchGame = 1; roundNr = nr / syncInterval + 1;
11265 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11267 // redefine engines, engine dir, etc.
11268 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11269 if(first.pr == NoProc) {
11270 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11271 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11273 if(second.pr == NoProc) {
11275 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11276 SwapEngines(1); // and make that valid for second engine by swapping
11277 InitEngine(&second, 1);
11279 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11280 UpdateLogos(FALSE); // leave display to ModeHiglight()
11286 { // performs game initialization that does not invoke engines, and then tries to start the game
11287 int res, firstWhite, swapColors = 0;
11288 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11289 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
11291 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11292 if(strcmp(buf, currentDebugFile)) { // name has changed
11293 FILE *f = fopen(buf, "w");
11294 if(f) { // if opening the new file failed, just keep using the old one
11295 ASSIGN(currentDebugFile, buf);
11299 if(appData.serverFileName) {
11300 if(serverFP) fclose(serverFP);
11301 serverFP = fopen(appData.serverFileName, "w");
11302 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11303 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11307 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11308 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11309 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11310 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11311 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11312 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11313 Reset(FALSE, first.pr != NoProc);
11314 res = LoadGameOrPosition(matchGame); // setup game
11315 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11316 if(!res) return; // abort when bad game/pos file
11317 TwoMachinesEvent();
11321 UserAdjudicationEvent (int result)
11323 ChessMove gameResult = GameIsDrawn;
11326 gameResult = WhiteWins;
11328 else if( result < 0 ) {
11329 gameResult = BlackWins;
11332 if( gameMode == TwoMachinesPlay ) {
11333 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11338 // [HGM] save: calculate checksum of game to make games easily identifiable
11340 StringCheckSum (char *s)
11343 if(s==NULL) return 0;
11344 while(*s) i = i*259 + *s++;
11352 for(i=backwardMostMove; i<forwardMostMove; i++) {
11353 sum += pvInfoList[i].depth;
11354 sum += StringCheckSum(parseList[i]);
11355 sum += StringCheckSum(commentList[i]);
11358 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11359 return sum + StringCheckSum(commentList[i]);
11360 } // end of save patch
11363 GameEnds (ChessMove result, char *resultDetails, int whosays)
11365 GameMode nextGameMode;
11367 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11369 if(endingGame) return; /* [HGM] crash: forbid recursion */
11371 if(twoBoards) { // [HGM] dual: switch back to one board
11372 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11373 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11375 if (appData.debugMode) {
11376 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11377 result, resultDetails ? resultDetails : "(null)", whosays);
11380 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11382 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11384 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11385 /* If we are playing on ICS, the server decides when the
11386 game is over, but the engine can offer to draw, claim
11390 if (appData.zippyPlay && first.initDone) {
11391 if (result == GameIsDrawn) {
11392 /* In case draw still needs to be claimed */
11393 SendToICS(ics_prefix);
11394 SendToICS("draw\n");
11395 } else if (StrCaseStr(resultDetails, "resign")) {
11396 SendToICS(ics_prefix);
11397 SendToICS("resign\n");
11401 endingGame = 0; /* [HGM] crash */
11405 /* If we're loading the game from a file, stop */
11406 if (whosays == GE_FILE) {
11407 (void) StopLoadGameTimer();
11411 /* Cancel draw offers */
11412 first.offeredDraw = second.offeredDraw = 0;
11414 /* If this is an ICS game, only ICS can really say it's done;
11415 if not, anyone can. */
11416 isIcsGame = (gameMode == IcsPlayingWhite ||
11417 gameMode == IcsPlayingBlack ||
11418 gameMode == IcsObserving ||
11419 gameMode == IcsExamining);
11421 if (!isIcsGame || whosays == GE_ICS) {
11422 /* OK -- not an ICS game, or ICS said it was done */
11424 if (!isIcsGame && !appData.noChessProgram)
11425 SetUserThinkingEnables();
11427 /* [HGM] if a machine claims the game end we verify this claim */
11428 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11429 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11431 ChessMove trueResult = (ChessMove) -1;
11433 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11434 first.twoMachinesColor[0] :
11435 second.twoMachinesColor[0] ;
11437 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11438 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11439 /* [HGM] verify: engine mate claims accepted if they were flagged */
11440 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11442 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11443 /* [HGM] verify: engine mate claims accepted if they were flagged */
11444 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11446 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11447 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11450 // now verify win claims, but not in drop games, as we don't understand those yet
11451 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11452 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11453 (result == WhiteWins && claimer == 'w' ||
11454 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11455 if (appData.debugMode) {
11456 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11457 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11459 if(result != trueResult) {
11460 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11461 result = claimer == 'w' ? BlackWins : WhiteWins;
11462 resultDetails = buf;
11465 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11466 && (forwardMostMove <= backwardMostMove ||
11467 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11468 (claimer=='b')==(forwardMostMove&1))
11470 /* [HGM] verify: draws that were not flagged are false claims */
11471 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11472 result = claimer == 'w' ? BlackWins : WhiteWins;
11473 resultDetails = buf;
11475 /* (Claiming a loss is accepted no questions asked!) */
11476 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11477 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11478 result = GameUnfinished;
11479 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11481 /* [HGM] bare: don't allow bare King to win */
11482 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11483 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11484 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11485 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11486 && result != GameIsDrawn)
11487 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11488 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11489 int p = (signed char)boards[forwardMostMove][i][j] - color;
11490 if(p >= 0 && p <= (int)WhiteKing) k++;
11491 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11493 if (appData.debugMode) {
11494 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11495 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11497 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11498 result = GameIsDrawn;
11499 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11500 resultDetails = buf;
11506 if(serverMoves != NULL && !loadFlag) { char c = '=';
11507 if(result==WhiteWins) c = '+';
11508 if(result==BlackWins) c = '-';
11509 if(resultDetails != NULL)
11510 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11512 if (resultDetails != NULL) {
11513 gameInfo.result = result;
11514 gameInfo.resultDetails = StrSave(resultDetails);
11516 /* display last move only if game was not loaded from file */
11517 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11518 DisplayMove(currentMove - 1);
11520 if (forwardMostMove != 0) {
11521 if (gameMode != PlayFromGameFile && gameMode != EditGame
11522 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11524 if (*appData.saveGameFile != NULLCHAR) {
11525 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11526 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11528 SaveGameToFile(appData.saveGameFile, TRUE);
11529 } else if (appData.autoSaveGames) {
11530 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11532 if (*appData.savePositionFile != NULLCHAR) {
11533 SavePositionToFile(appData.savePositionFile);
11535 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11539 /* Tell program how game ended in case it is learning */
11540 /* [HGM] Moved this to after saving the PGN, just in case */
11541 /* engine died and we got here through time loss. In that */
11542 /* case we will get a fatal error writing the pipe, which */
11543 /* would otherwise lose us the PGN. */
11544 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11545 /* output during GameEnds should never be fatal anymore */
11546 if (gameMode == MachinePlaysWhite ||
11547 gameMode == MachinePlaysBlack ||
11548 gameMode == TwoMachinesPlay ||
11549 gameMode == IcsPlayingWhite ||
11550 gameMode == IcsPlayingBlack ||
11551 gameMode == BeginningOfGame) {
11553 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11555 if (first.pr != NoProc) {
11556 SendToProgram(buf, &first);
11558 if (second.pr != NoProc &&
11559 gameMode == TwoMachinesPlay) {
11560 SendToProgram(buf, &second);
11565 if (appData.icsActive) {
11566 if (appData.quietPlay &&
11567 (gameMode == IcsPlayingWhite ||
11568 gameMode == IcsPlayingBlack)) {
11569 SendToICS(ics_prefix);
11570 SendToICS("set shout 1\n");
11572 nextGameMode = IcsIdle;
11573 ics_user_moved = FALSE;
11574 /* clean up premove. It's ugly when the game has ended and the
11575 * premove highlights are still on the board.
11578 gotPremove = FALSE;
11579 ClearPremoveHighlights();
11580 DrawPosition(FALSE, boards[currentMove]);
11582 if (whosays == GE_ICS) {
11585 if (gameMode == IcsPlayingWhite)
11587 else if(gameMode == IcsPlayingBlack)
11588 PlayIcsLossSound();
11591 if (gameMode == IcsPlayingBlack)
11593 else if(gameMode == IcsPlayingWhite)
11594 PlayIcsLossSound();
11597 PlayIcsDrawSound();
11600 PlayIcsUnfinishedSound();
11603 if(appData.quitNext) { ExitEvent(0); return; }
11604 } else if (gameMode == EditGame ||
11605 gameMode == PlayFromGameFile ||
11606 gameMode == AnalyzeMode ||
11607 gameMode == AnalyzeFile) {
11608 nextGameMode = gameMode;
11610 nextGameMode = EndOfGame;
11615 nextGameMode = gameMode;
11618 if (appData.noChessProgram) {
11619 gameMode = nextGameMode;
11621 endingGame = 0; /* [HGM] crash */
11626 /* Put first chess program into idle state */
11627 if (first.pr != NoProc &&
11628 (gameMode == MachinePlaysWhite ||
11629 gameMode == MachinePlaysBlack ||
11630 gameMode == TwoMachinesPlay ||
11631 gameMode == IcsPlayingWhite ||
11632 gameMode == IcsPlayingBlack ||
11633 gameMode == BeginningOfGame)) {
11634 SendToProgram("force\n", &first);
11635 if (first.usePing) {
11637 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11638 SendToProgram(buf, &first);
11641 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11642 /* Kill off first chess program */
11643 if (first.isr != NULL)
11644 RemoveInputSource(first.isr);
11647 if (first.pr != NoProc) {
11649 DoSleep( appData.delayBeforeQuit );
11650 SendToProgram("quit\n", &first);
11651 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11652 first.reload = TRUE;
11656 if (second.reuse) {
11657 /* Put second chess program into idle state */
11658 if (second.pr != NoProc &&
11659 gameMode == TwoMachinesPlay) {
11660 SendToProgram("force\n", &second);
11661 if (second.usePing) {
11663 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11664 SendToProgram(buf, &second);
11667 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11668 /* Kill off second chess program */
11669 if (second.isr != NULL)
11670 RemoveInputSource(second.isr);
11673 if (second.pr != NoProc) {
11674 DoSleep( appData.delayBeforeQuit );
11675 SendToProgram("quit\n", &second);
11676 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11677 second.reload = TRUE;
11679 second.pr = NoProc;
11682 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11683 char resChar = '=';
11687 if (first.twoMachinesColor[0] == 'w') {
11690 second.matchWins++;
11695 if (first.twoMachinesColor[0] == 'b') {
11698 second.matchWins++;
11701 case GameUnfinished:
11707 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11708 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11709 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11710 ReserveGame(nextGame, resChar); // sets nextGame
11711 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11712 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11713 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11715 if (nextGame <= appData.matchGames && !abortMatch) {
11716 gameMode = nextGameMode;
11717 matchGame = nextGame; // this will be overruled in tourney mode!
11718 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11719 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11720 endingGame = 0; /* [HGM] crash */
11723 gameMode = nextGameMode;
11724 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11725 first.tidy, second.tidy,
11726 first.matchWins, second.matchWins,
11727 appData.matchGames - (first.matchWins + second.matchWins));
11728 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11729 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11730 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11731 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11732 first.twoMachinesColor = "black\n";
11733 second.twoMachinesColor = "white\n";
11735 first.twoMachinesColor = "white\n";
11736 second.twoMachinesColor = "black\n";
11740 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11741 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11743 gameMode = nextGameMode;
11745 endingGame = 0; /* [HGM] crash */
11746 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11747 if(matchMode == TRUE) { // match through command line: exit with or without popup
11749 ToNrEvent(forwardMostMove);
11750 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11752 } else DisplayFatalError(buf, 0, 0);
11753 } else { // match through menu; just stop, with or without popup
11754 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11757 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11758 } else DisplayNote(buf);
11760 if(ranking) free(ranking);
11764 /* Assumes program was just initialized (initString sent).
11765 Leaves program in force mode. */
11767 FeedMovesToProgram (ChessProgramState *cps, int upto)
11771 if (appData.debugMode)
11772 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11773 startedFromSetupPosition ? "position and " : "",
11774 backwardMostMove, upto, cps->which);
11775 if(currentlyInitializedVariant != gameInfo.variant) {
11777 // [HGM] variantswitch: make engine aware of new variant
11778 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11779 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11780 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11781 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11782 SendToProgram(buf, cps);
11783 currentlyInitializedVariant = gameInfo.variant;
11785 SendToProgram("force\n", cps);
11786 if (startedFromSetupPosition) {
11787 SendBoard(cps, backwardMostMove);
11788 if (appData.debugMode) {
11789 fprintf(debugFP, "feedMoves\n");
11792 for (i = backwardMostMove; i < upto; i++) {
11793 SendMoveToProgram(i, cps);
11799 ResurrectChessProgram ()
11801 /* The chess program may have exited.
11802 If so, restart it and feed it all the moves made so far. */
11803 static int doInit = 0;
11805 if (appData.noChessProgram) return 1;
11807 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11808 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11809 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11810 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11812 if (first.pr != NoProc) return 1;
11813 StartChessProgram(&first);
11815 InitChessProgram(&first, FALSE);
11816 FeedMovesToProgram(&first, currentMove);
11818 if (!first.sendTime) {
11819 /* can't tell gnuchess what its clock should read,
11820 so we bow to its notion. */
11822 timeRemaining[0][currentMove] = whiteTimeRemaining;
11823 timeRemaining[1][currentMove] = blackTimeRemaining;
11826 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11827 appData.icsEngineAnalyze) && first.analysisSupport) {
11828 SendToProgram("analyze\n", &first);
11829 first.analyzing = TRUE;
11835 * Button procedures
11838 Reset (int redraw, int init)
11842 if (appData.debugMode) {
11843 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11844 redraw, init, gameMode);
11846 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11847 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11848 CleanupTail(); // [HGM] vari: delete any stored variations
11849 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11850 pausing = pauseExamInvalid = FALSE;
11851 startedFromSetupPosition = blackPlaysFirst = FALSE;
11853 whiteFlag = blackFlag = FALSE;
11854 userOfferedDraw = FALSE;
11855 hintRequested = bookRequested = FALSE;
11856 first.maybeThinking = FALSE;
11857 second.maybeThinking = FALSE;
11858 first.bookSuspend = FALSE; // [HGM] book
11859 second.bookSuspend = FALSE;
11860 thinkOutput[0] = NULLCHAR;
11861 lastHint[0] = NULLCHAR;
11862 ClearGameInfo(&gameInfo);
11863 gameInfo.variant = StringToVariant(appData.variant);
11864 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11865 ics_user_moved = ics_clock_paused = FALSE;
11866 ics_getting_history = H_FALSE;
11868 white_holding[0] = black_holding[0] = NULLCHAR;
11869 ClearProgramStats();
11870 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11874 flipView = appData.flipView;
11875 ClearPremoveHighlights();
11876 gotPremove = FALSE;
11877 alarmSounded = FALSE;
11878 killX = killY = -1; // [HGM] lion
11880 GameEnds(EndOfFile, NULL, GE_PLAYER);
11881 if(appData.serverMovesName != NULL) {
11882 /* [HGM] prepare to make moves file for broadcasting */
11883 clock_t t = clock();
11884 if(serverMoves != NULL) fclose(serverMoves);
11885 serverMoves = fopen(appData.serverMovesName, "r");
11886 if(serverMoves != NULL) {
11887 fclose(serverMoves);
11888 /* delay 15 sec before overwriting, so all clients can see end */
11889 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11891 serverMoves = fopen(appData.serverMovesName, "w");
11895 gameMode = BeginningOfGame;
11897 if(appData.icsActive) gameInfo.variant = VariantNormal;
11898 currentMove = forwardMostMove = backwardMostMove = 0;
11899 MarkTargetSquares(1);
11900 InitPosition(redraw);
11901 for (i = 0; i < MAX_MOVES; i++) {
11902 if (commentList[i] != NULL) {
11903 free(commentList[i]);
11904 commentList[i] = NULL;
11908 timeRemaining[0][0] = whiteTimeRemaining;
11909 timeRemaining[1][0] = blackTimeRemaining;
11911 if (first.pr == NoProc) {
11912 StartChessProgram(&first);
11915 InitChessProgram(&first, startedFromSetupPosition);
11918 DisplayMessage("", "");
11919 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11920 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11921 ClearMap(); // [HGM] exclude: invalidate map
11925 AutoPlayGameLoop ()
11928 if (!AutoPlayOneMove())
11930 if (matchMode || appData.timeDelay == 0)
11932 if (appData.timeDelay < 0)
11934 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11942 ReloadGame(1); // next game
11948 int fromX, fromY, toX, toY;
11950 if (appData.debugMode) {
11951 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11954 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11957 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11958 pvInfoList[currentMove].depth = programStats.depth;
11959 pvInfoList[currentMove].score = programStats.score;
11960 pvInfoList[currentMove].time = 0;
11961 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11962 else { // append analysis of final position as comment
11964 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11965 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11967 programStats.depth = 0;
11970 if (currentMove >= forwardMostMove) {
11971 if(gameMode == AnalyzeFile) {
11972 if(appData.loadGameIndex == -1) {
11973 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11974 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11976 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11979 // gameMode = EndOfGame;
11980 // ModeHighlight();
11982 /* [AS] Clear current move marker at the end of a game */
11983 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11988 toX = moveList[currentMove][2] - AAA;
11989 toY = moveList[currentMove][3] - ONE;
11991 if (moveList[currentMove][1] == '@') {
11992 if (appData.highlightLastMove) {
11993 SetHighlights(-1, -1, toX, toY);
11996 int viaX = moveList[currentMove][5] - AAA;
11997 int viaY = moveList[currentMove][6] - ONE;
11998 fromX = moveList[currentMove][0] - AAA;
11999 fromY = moveList[currentMove][1] - ONE;
12001 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12003 if(moveList[currentMove][4] == ';') { // multi-leg
12004 ChessSquare piece = boards[currentMove][viaY][viaX];
12005 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12006 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12007 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12008 boards[currentMove][viaY][viaX] = piece;
12010 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12012 if (appData.highlightLastMove) {
12013 SetHighlights(fromX, fromY, toX, toY);
12016 DisplayMove(currentMove);
12017 SendMoveToProgram(currentMove++, &first);
12018 DisplayBothClocks();
12019 DrawPosition(FALSE, boards[currentMove]);
12020 // [HGM] PV info: always display, routine tests if empty
12021 DisplayComment(currentMove - 1, commentList[currentMove]);
12027 LoadGameOneMove (ChessMove readAhead)
12029 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12030 char promoChar = NULLCHAR;
12031 ChessMove moveType;
12032 char move[MSG_SIZ];
12035 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12036 gameMode != AnalyzeMode && gameMode != Training) {
12041 yyboardindex = forwardMostMove;
12042 if (readAhead != EndOfFile) {
12043 moveType = readAhead;
12045 if (gameFileFP == NULL)
12047 moveType = (ChessMove) Myylex();
12051 switch (moveType) {
12053 if (appData.debugMode)
12054 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12057 /* append the comment but don't display it */
12058 AppendComment(currentMove, p, FALSE);
12061 case WhiteCapturesEnPassant:
12062 case BlackCapturesEnPassant:
12063 case WhitePromotion:
12064 case BlackPromotion:
12065 case WhiteNonPromotion:
12066 case BlackNonPromotion:
12069 case WhiteKingSideCastle:
12070 case WhiteQueenSideCastle:
12071 case BlackKingSideCastle:
12072 case BlackQueenSideCastle:
12073 case WhiteKingSideCastleWild:
12074 case WhiteQueenSideCastleWild:
12075 case BlackKingSideCastleWild:
12076 case BlackQueenSideCastleWild:
12078 case WhiteHSideCastleFR:
12079 case WhiteASideCastleFR:
12080 case BlackHSideCastleFR:
12081 case BlackASideCastleFR:
12083 if (appData.debugMode)
12084 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12085 fromX = currentMoveString[0] - AAA;
12086 fromY = currentMoveString[1] - ONE;
12087 toX = currentMoveString[2] - AAA;
12088 toY = currentMoveString[3] - ONE;
12089 promoChar = currentMoveString[4];
12090 if(promoChar == ';') promoChar = NULLCHAR;
12095 if (appData.debugMode)
12096 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12097 fromX = moveType == WhiteDrop ?
12098 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12099 (int) CharToPiece(ToLower(currentMoveString[0]));
12101 toX = currentMoveString[2] - AAA;
12102 toY = currentMoveString[3] - ONE;
12108 case GameUnfinished:
12109 if (appData.debugMode)
12110 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12111 p = strchr(yy_text, '{');
12112 if (p == NULL) p = strchr(yy_text, '(');
12115 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12117 q = strchr(p, *p == '{' ? '}' : ')');
12118 if (q != NULL) *q = NULLCHAR;
12121 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12122 GameEnds(moveType, p, GE_FILE);
12124 if (cmailMsgLoaded) {
12126 flipView = WhiteOnMove(currentMove);
12127 if (moveType == GameUnfinished) flipView = !flipView;
12128 if (appData.debugMode)
12129 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12134 if (appData.debugMode)
12135 fprintf(debugFP, "Parser hit end of file\n");
12136 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12142 if (WhiteOnMove(currentMove)) {
12143 GameEnds(BlackWins, "Black mates", GE_FILE);
12145 GameEnds(WhiteWins, "White mates", GE_FILE);
12149 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12155 case MoveNumberOne:
12156 if (lastLoadGameStart == GNUChessGame) {
12157 /* GNUChessGames have numbers, but they aren't move numbers */
12158 if (appData.debugMode)
12159 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12160 yy_text, (int) moveType);
12161 return LoadGameOneMove(EndOfFile); /* tail recursion */
12163 /* else fall thru */
12168 /* Reached start of next game in file */
12169 if (appData.debugMode)
12170 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12171 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12177 if (WhiteOnMove(currentMove)) {
12178 GameEnds(BlackWins, "Black mates", GE_FILE);
12180 GameEnds(WhiteWins, "White mates", GE_FILE);
12184 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12190 case PositionDiagram: /* should not happen; ignore */
12191 case ElapsedTime: /* ignore */
12192 case NAG: /* ignore */
12193 if (appData.debugMode)
12194 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12195 yy_text, (int) moveType);
12196 return LoadGameOneMove(EndOfFile); /* tail recursion */
12199 if (appData.testLegality) {
12200 if (appData.debugMode)
12201 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12202 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12203 (forwardMostMove / 2) + 1,
12204 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12205 DisplayError(move, 0);
12208 if (appData.debugMode)
12209 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12210 yy_text, currentMoveString);
12211 if(currentMoveString[1] == '@') {
12212 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12215 fromX = currentMoveString[0] - AAA;
12216 fromY = currentMoveString[1] - ONE;
12218 toX = currentMoveString[2] - AAA;
12219 toY = currentMoveString[3] - ONE;
12220 promoChar = currentMoveString[4];
12224 case AmbiguousMove:
12225 if (appData.debugMode)
12226 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12227 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12228 (forwardMostMove / 2) + 1,
12229 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12230 DisplayError(move, 0);
12235 case ImpossibleMove:
12236 if (appData.debugMode)
12237 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12238 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12239 (forwardMostMove / 2) + 1,
12240 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12241 DisplayError(move, 0);
12247 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12248 DrawPosition(FALSE, boards[currentMove]);
12249 DisplayBothClocks();
12250 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12251 DisplayComment(currentMove - 1, commentList[currentMove]);
12253 (void) StopLoadGameTimer();
12255 cmailOldMove = forwardMostMove;
12258 /* currentMoveString is set as a side-effect of yylex */
12260 thinkOutput[0] = NULLCHAR;
12261 MakeMove(fromX, fromY, toX, toY, promoChar);
12262 killX = killY = -1; // [HGM] lion: used up
12263 currentMove = forwardMostMove;
12268 /* Load the nth game from the given file */
12270 LoadGameFromFile (char *filename, int n, char *title, int useList)
12275 if (strcmp(filename, "-") == 0) {
12279 f = fopen(filename, "rb");
12281 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12282 DisplayError(buf, errno);
12286 if (fseek(f, 0, 0) == -1) {
12287 /* f is not seekable; probably a pipe */
12290 if (useList && n == 0) {
12291 int error = GameListBuild(f);
12293 DisplayError(_("Cannot build game list"), error);
12294 } else if (!ListEmpty(&gameList) &&
12295 ((ListGame *) gameList.tailPred)->number > 1) {
12296 GameListPopUp(f, title);
12303 return LoadGame(f, n, title, FALSE);
12308 MakeRegisteredMove ()
12310 int fromX, fromY, toX, toY;
12312 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12313 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12316 if (appData.debugMode)
12317 fprintf(debugFP, "Restoring %s for game %d\n",
12318 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12320 thinkOutput[0] = NULLCHAR;
12321 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12322 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12323 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12324 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12325 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12326 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12327 MakeMove(fromX, fromY, toX, toY, promoChar);
12328 ShowMove(fromX, fromY, toX, toY);
12330 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12337 if (WhiteOnMove(currentMove)) {
12338 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12340 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12345 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12352 if (WhiteOnMove(currentMove)) {
12353 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12355 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12360 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12371 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12373 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12377 if (gameNumber > nCmailGames) {
12378 DisplayError(_("No more games in this message"), 0);
12381 if (f == lastLoadGameFP) {
12382 int offset = gameNumber - lastLoadGameNumber;
12384 cmailMsg[0] = NULLCHAR;
12385 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12386 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12387 nCmailMovesRegistered--;
12389 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12390 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12391 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12394 if (! RegisterMove()) return FALSE;
12398 retVal = LoadGame(f, gameNumber, title, useList);
12400 /* Make move registered during previous look at this game, if any */
12401 MakeRegisteredMove();
12403 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12404 commentList[currentMove]
12405 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12406 DisplayComment(currentMove - 1, commentList[currentMove]);
12412 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12414 ReloadGame (int offset)
12416 int gameNumber = lastLoadGameNumber + offset;
12417 if (lastLoadGameFP == NULL) {
12418 DisplayError(_("No game has been loaded yet"), 0);
12421 if (gameNumber <= 0) {
12422 DisplayError(_("Can't back up any further"), 0);
12425 if (cmailMsgLoaded) {
12426 return CmailLoadGame(lastLoadGameFP, gameNumber,
12427 lastLoadGameTitle, lastLoadGameUseList);
12429 return LoadGame(lastLoadGameFP, gameNumber,
12430 lastLoadGameTitle, lastLoadGameUseList);
12434 int keys[EmptySquare+1];
12437 PositionMatches (Board b1, Board b2)
12440 switch(appData.searchMode) {
12441 case 1: return CompareWithRights(b1, b2);
12443 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12444 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12448 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12449 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12450 sum += keys[b1[r][f]] - keys[b2[r][f]];
12454 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12455 sum += keys[b1[r][f]] - keys[b2[r][f]];
12467 int pieceList[256], quickBoard[256];
12468 ChessSquare pieceType[256] = { EmptySquare };
12469 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12470 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12471 int soughtTotal, turn;
12472 Boolean epOK, flipSearch;
12475 unsigned char piece, to;
12478 #define DSIZE (250000)
12480 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12481 Move *moveDatabase = initialSpace;
12482 unsigned int movePtr, dataSize = DSIZE;
12485 MakePieceList (Board board, int *counts)
12487 int r, f, n=Q_PROMO, total=0;
12488 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12489 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12490 int sq = f + (r<<4);
12491 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12492 quickBoard[sq] = ++n;
12494 pieceType[n] = board[r][f];
12495 counts[board[r][f]]++;
12496 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12497 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12501 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12506 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12508 int sq = fromX + (fromY<<4);
12509 int piece = quickBoard[sq], rook;
12510 quickBoard[sq] = 0;
12511 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12512 if(piece == pieceList[1] && fromY == toY) {
12513 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12514 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12515 moveDatabase[movePtr++].piece = Q_WCASTL;
12516 quickBoard[sq] = piece;
12517 piece = quickBoard[from]; quickBoard[from] = 0;
12518 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12519 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12520 quickBoard[sq] = 0; // remove Rook
12521 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12522 moveDatabase[movePtr++].piece = Q_WCASTL;
12523 quickBoard[sq] = pieceList[1]; // put King
12525 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12528 if(piece == pieceList[2] && fromY == toY) {
12529 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12530 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12531 moveDatabase[movePtr++].piece = Q_BCASTL;
12532 quickBoard[sq] = piece;
12533 piece = quickBoard[from]; quickBoard[from] = 0;
12534 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12535 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12536 quickBoard[sq] = 0; // remove Rook
12537 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12538 moveDatabase[movePtr++].piece = Q_BCASTL;
12539 quickBoard[sq] = pieceList[2]; // put King
12541 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12544 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12545 quickBoard[(fromY<<4)+toX] = 0;
12546 moveDatabase[movePtr].piece = Q_EP;
12547 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12548 moveDatabase[movePtr].to = sq;
12550 if(promoPiece != pieceType[piece]) {
12551 moveDatabase[movePtr++].piece = Q_PROMO;
12552 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12554 moveDatabase[movePtr].piece = piece;
12555 quickBoard[sq] = piece;
12560 PackGame (Board board)
12562 Move *newSpace = NULL;
12563 moveDatabase[movePtr].piece = 0; // terminate previous game
12564 if(movePtr > dataSize) {
12565 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12566 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12567 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12570 Move *p = moveDatabase, *q = newSpace;
12571 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12572 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12573 moveDatabase = newSpace;
12574 } else { // calloc failed, we must be out of memory. Too bad...
12575 dataSize = 0; // prevent calloc events for all subsequent games
12576 return 0; // and signal this one isn't cached
12580 MakePieceList(board, counts);
12585 QuickCompare (Board board, int *minCounts, int *maxCounts)
12586 { // compare according to search mode
12588 switch(appData.searchMode)
12590 case 1: // exact position match
12591 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12592 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12593 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12596 case 2: // can have extra material on empty squares
12597 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12598 if(board[r][f] == EmptySquare) continue;
12599 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12602 case 3: // material with exact Pawn structure
12603 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12604 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12605 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12606 } // fall through to material comparison
12607 case 4: // exact material
12608 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12610 case 6: // material range with given imbalance
12611 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12612 // fall through to range comparison
12613 case 5: // material range
12614 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12620 QuickScan (Board board, Move *move)
12621 { // reconstruct game,and compare all positions in it
12622 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12624 int piece = move->piece;
12625 int to = move->to, from = pieceList[piece];
12626 if(found < 0) { // if already found just scan to game end for final piece count
12627 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12628 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12629 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12630 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12632 static int lastCounts[EmptySquare+1];
12634 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12635 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12636 } else stretch = 0;
12637 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12638 if(found >= 0 && !appData.minPieces) return found;
12640 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12641 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12642 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12643 piece = (++move)->piece;
12644 from = pieceList[piece];
12645 counts[pieceType[piece]]--;
12646 pieceType[piece] = (ChessSquare) move->to;
12647 counts[move->to]++;
12648 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12649 counts[pieceType[quickBoard[to]]]--;
12650 quickBoard[to] = 0; total--;
12653 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12654 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12655 from = pieceList[piece]; // so this must be King
12656 quickBoard[from] = 0;
12657 pieceList[piece] = to;
12658 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12659 quickBoard[from] = 0; // rook
12660 quickBoard[to] = piece;
12661 to = move->to; piece = move->piece;
12665 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12666 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12667 quickBoard[from] = 0;
12669 quickBoard[to] = piece;
12670 pieceList[piece] = to;
12680 flipSearch = FALSE;
12681 CopyBoard(soughtBoard, boards[currentMove]);
12682 soughtTotal = MakePieceList(soughtBoard, maxSought);
12683 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12684 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12685 CopyBoard(reverseBoard, boards[currentMove]);
12686 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12687 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12688 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12689 reverseBoard[r][f] = piece;
12691 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12692 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12693 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12694 || (boards[currentMove][CASTLING][2] == NoRights ||
12695 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12696 && (boards[currentMove][CASTLING][5] == NoRights ||
12697 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12700 CopyBoard(flipBoard, soughtBoard);
12701 CopyBoard(rotateBoard, reverseBoard);
12702 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12703 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12704 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12707 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12708 if(appData.searchMode >= 5) {
12709 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12710 MakePieceList(soughtBoard, minSought);
12711 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12713 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12714 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12717 GameInfo dummyInfo;
12718 static int creatingBook;
12721 GameContainsPosition (FILE *f, ListGame *lg)
12723 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12724 int fromX, fromY, toX, toY;
12726 static int initDone=FALSE;
12728 // weed out games based on numerical tag comparison
12729 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12730 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12731 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12732 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12734 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12737 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12738 else CopyBoard(boards[scratch], initialPosition); // default start position
12741 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12742 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12745 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12746 fseek(f, lg->offset, 0);
12749 yyboardindex = scratch;
12750 quickFlag = plyNr+1;
12755 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12761 if(plyNr) return -1; // after we have seen moves, this is for new game
12764 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12765 case ImpossibleMove:
12766 case WhiteWins: // game ends here with these four
12769 case GameUnfinished:
12773 if(appData.testLegality) return -1;
12774 case WhiteCapturesEnPassant:
12775 case BlackCapturesEnPassant:
12776 case WhitePromotion:
12777 case BlackPromotion:
12778 case WhiteNonPromotion:
12779 case BlackNonPromotion:
12782 case WhiteKingSideCastle:
12783 case WhiteQueenSideCastle:
12784 case BlackKingSideCastle:
12785 case BlackQueenSideCastle:
12786 case WhiteKingSideCastleWild:
12787 case WhiteQueenSideCastleWild:
12788 case BlackKingSideCastleWild:
12789 case BlackQueenSideCastleWild:
12790 case WhiteHSideCastleFR:
12791 case WhiteASideCastleFR:
12792 case BlackHSideCastleFR:
12793 case BlackASideCastleFR:
12794 fromX = currentMoveString[0] - AAA;
12795 fromY = currentMoveString[1] - ONE;
12796 toX = currentMoveString[2] - AAA;
12797 toY = currentMoveString[3] - ONE;
12798 promoChar = currentMoveString[4];
12802 fromX = next == WhiteDrop ?
12803 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12804 (int) CharToPiece(ToLower(currentMoveString[0]));
12806 toX = currentMoveString[2] - AAA;
12807 toY = currentMoveString[3] - ONE;
12811 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12813 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12814 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12815 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12816 if(appData.findMirror) {
12817 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12818 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12823 /* Load the nth game from open file f */
12825 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12829 int gn = gameNumber;
12830 ListGame *lg = NULL;
12831 int numPGNTags = 0;
12833 GameMode oldGameMode;
12834 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12835 char oldName[MSG_SIZ];
12837 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12839 if (appData.debugMode)
12840 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12842 if (gameMode == Training )
12843 SetTrainingModeOff();
12845 oldGameMode = gameMode;
12846 if (gameMode != BeginningOfGame) {
12847 Reset(FALSE, TRUE);
12849 killX = killY = -1; // [HGM] lion: in case we did not Reset
12852 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12853 fclose(lastLoadGameFP);
12857 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12860 fseek(f, lg->offset, 0);
12861 GameListHighlight(gameNumber);
12862 pos = lg->position;
12866 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12867 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12869 DisplayError(_("Game number out of range"), 0);
12874 if (fseek(f, 0, 0) == -1) {
12875 if (f == lastLoadGameFP ?
12876 gameNumber == lastLoadGameNumber + 1 :
12880 DisplayError(_("Can't seek on game file"), 0);
12885 lastLoadGameFP = f;
12886 lastLoadGameNumber = gameNumber;
12887 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12888 lastLoadGameUseList = useList;
12892 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12893 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12894 lg->gameInfo.black);
12896 } else if (*title != NULLCHAR) {
12897 if (gameNumber > 1) {
12898 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12901 DisplayTitle(title);
12905 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12906 gameMode = PlayFromGameFile;
12910 currentMove = forwardMostMove = backwardMostMove = 0;
12911 CopyBoard(boards[0], initialPosition);
12915 * Skip the first gn-1 games in the file.
12916 * Also skip over anything that precedes an identifiable
12917 * start of game marker, to avoid being confused by
12918 * garbage at the start of the file. Currently
12919 * recognized start of game markers are the move number "1",
12920 * the pattern "gnuchess .* game", the pattern
12921 * "^[#;%] [^ ]* game file", and a PGN tag block.
12922 * A game that starts with one of the latter two patterns
12923 * will also have a move number 1, possibly
12924 * following a position diagram.
12925 * 5-4-02: Let's try being more lenient and allowing a game to
12926 * start with an unnumbered move. Does that break anything?
12928 cm = lastLoadGameStart = EndOfFile;
12930 yyboardindex = forwardMostMove;
12931 cm = (ChessMove) Myylex();
12934 if (cmailMsgLoaded) {
12935 nCmailGames = CMAIL_MAX_GAMES - gn;
12938 DisplayError(_("Game not found in file"), 0);
12945 lastLoadGameStart = cm;
12948 case MoveNumberOne:
12949 switch (lastLoadGameStart) {
12954 case MoveNumberOne:
12956 gn--; /* count this game */
12957 lastLoadGameStart = cm;
12966 switch (lastLoadGameStart) {
12969 case MoveNumberOne:
12971 gn--; /* count this game */
12972 lastLoadGameStart = cm;
12975 lastLoadGameStart = cm; /* game counted already */
12983 yyboardindex = forwardMostMove;
12984 cm = (ChessMove) Myylex();
12985 } while (cm == PGNTag || cm == Comment);
12992 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12993 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12994 != CMAIL_OLD_RESULT) {
12996 cmailResult[ CMAIL_MAX_GAMES
12997 - gn - 1] = CMAIL_OLD_RESULT;
13004 /* Only a NormalMove can be at the start of a game
13005 * without a position diagram. */
13006 if (lastLoadGameStart == EndOfFile ) {
13008 lastLoadGameStart = MoveNumberOne;
13017 if (appData.debugMode)
13018 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13020 if (cm == XBoardGame) {
13021 /* Skip any header junk before position diagram and/or move 1 */
13023 yyboardindex = forwardMostMove;
13024 cm = (ChessMove) Myylex();
13026 if (cm == EndOfFile ||
13027 cm == GNUChessGame || cm == XBoardGame) {
13028 /* Empty game; pretend end-of-file and handle later */
13033 if (cm == MoveNumberOne || cm == PositionDiagram ||
13034 cm == PGNTag || cm == Comment)
13037 } else if (cm == GNUChessGame) {
13038 if (gameInfo.event != NULL) {
13039 free(gameInfo.event);
13041 gameInfo.event = StrSave(yy_text);
13044 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13045 while (cm == PGNTag) {
13046 if (appData.debugMode)
13047 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13048 err = ParsePGNTag(yy_text, &gameInfo);
13049 if (!err) numPGNTags++;
13051 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13052 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13053 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13054 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13055 InitPosition(TRUE);
13056 oldVariant = gameInfo.variant;
13057 if (appData.debugMode)
13058 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13062 if (gameInfo.fen != NULL) {
13063 Board initial_position;
13064 startedFromSetupPosition = TRUE;
13065 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13067 DisplayError(_("Bad FEN position in file"), 0);
13070 CopyBoard(boards[0], initial_position);
13071 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13072 CopyBoard(initialPosition, initial_position);
13073 if (blackPlaysFirst) {
13074 currentMove = forwardMostMove = backwardMostMove = 1;
13075 CopyBoard(boards[1], initial_position);
13076 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13077 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13078 timeRemaining[0][1] = whiteTimeRemaining;
13079 timeRemaining[1][1] = blackTimeRemaining;
13080 if (commentList[0] != NULL) {
13081 commentList[1] = commentList[0];
13082 commentList[0] = NULL;
13085 currentMove = forwardMostMove = backwardMostMove = 0;
13087 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13089 initialRulePlies = FENrulePlies;
13090 for( i=0; i< nrCastlingRights; i++ )
13091 initialRights[i] = initial_position[CASTLING][i];
13093 yyboardindex = forwardMostMove;
13094 free(gameInfo.fen);
13095 gameInfo.fen = NULL;
13098 yyboardindex = forwardMostMove;
13099 cm = (ChessMove) Myylex();
13101 /* Handle comments interspersed among the tags */
13102 while (cm == Comment) {
13104 if (appData.debugMode)
13105 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13107 AppendComment(currentMove, p, FALSE);
13108 yyboardindex = forwardMostMove;
13109 cm = (ChessMove) Myylex();
13113 /* don't rely on existence of Event tag since if game was
13114 * pasted from clipboard the Event tag may not exist
13116 if (numPGNTags > 0){
13118 if (gameInfo.variant == VariantNormal) {
13119 VariantClass v = StringToVariant(gameInfo.event);
13120 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13121 if(v < VariantShogi) gameInfo.variant = v;
13124 if( appData.autoDisplayTags ) {
13125 tags = PGNTags(&gameInfo);
13126 TagsPopUp(tags, CmailMsg());
13131 /* Make something up, but don't display it now */
13136 if (cm == PositionDiagram) {
13139 Board initial_position;
13141 if (appData.debugMode)
13142 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13144 if (!startedFromSetupPosition) {
13146 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13147 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13158 initial_position[i][j++] = CharToPiece(*p);
13161 while (*p == ' ' || *p == '\t' ||
13162 *p == '\n' || *p == '\r') p++;
13164 if (strncmp(p, "black", strlen("black"))==0)
13165 blackPlaysFirst = TRUE;
13167 blackPlaysFirst = FALSE;
13168 startedFromSetupPosition = TRUE;
13170 CopyBoard(boards[0], initial_position);
13171 if (blackPlaysFirst) {
13172 currentMove = forwardMostMove = backwardMostMove = 1;
13173 CopyBoard(boards[1], initial_position);
13174 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13175 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13176 timeRemaining[0][1] = whiteTimeRemaining;
13177 timeRemaining[1][1] = blackTimeRemaining;
13178 if (commentList[0] != NULL) {
13179 commentList[1] = commentList[0];
13180 commentList[0] = NULL;
13183 currentMove = forwardMostMove = backwardMostMove = 0;
13186 yyboardindex = forwardMostMove;
13187 cm = (ChessMove) Myylex();
13190 if(!creatingBook) {
13191 if (first.pr == NoProc) {
13192 StartChessProgram(&first);
13194 InitChessProgram(&first, FALSE);
13195 if(gameInfo.variant == VariantUnknown && *oldName) {
13196 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13197 gameInfo.variant = v;
13199 SendToProgram("force\n", &first);
13200 if (startedFromSetupPosition) {
13201 SendBoard(&first, forwardMostMove);
13202 if (appData.debugMode) {
13203 fprintf(debugFP, "Load Game\n");
13205 DisplayBothClocks();
13209 /* [HGM] server: flag to write setup moves in broadcast file as one */
13210 loadFlag = appData.suppressLoadMoves;
13212 while (cm == Comment) {
13214 if (appData.debugMode)
13215 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13217 AppendComment(currentMove, p, FALSE);
13218 yyboardindex = forwardMostMove;
13219 cm = (ChessMove) Myylex();
13222 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13223 cm == WhiteWins || cm == BlackWins ||
13224 cm == GameIsDrawn || cm == GameUnfinished) {
13225 DisplayMessage("", _("No moves in game"));
13226 if (cmailMsgLoaded) {
13227 if (appData.debugMode)
13228 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13232 DrawPosition(FALSE, boards[currentMove]);
13233 DisplayBothClocks();
13234 gameMode = EditGame;
13241 // [HGM] PV info: routine tests if comment empty
13242 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13243 DisplayComment(currentMove - 1, commentList[currentMove]);
13245 if (!matchMode && appData.timeDelay != 0)
13246 DrawPosition(FALSE, boards[currentMove]);
13248 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13249 programStats.ok_to_send = 1;
13252 /* if the first token after the PGN tags is a move
13253 * and not move number 1, retrieve it from the parser
13255 if (cm != MoveNumberOne)
13256 LoadGameOneMove(cm);
13258 /* load the remaining moves from the file */
13259 while (LoadGameOneMove(EndOfFile)) {
13260 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13261 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13264 /* rewind to the start of the game */
13265 currentMove = backwardMostMove;
13267 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13269 if (oldGameMode == AnalyzeFile) {
13270 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13271 AnalyzeFileEvent();
13273 if (oldGameMode == AnalyzeMode) {
13274 AnalyzeFileEvent();
13277 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13278 long int w, b; // [HGM] adjourn: restore saved clock times
13279 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13280 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13281 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13282 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13286 if(creatingBook) return TRUE;
13287 if (!matchMode && pos > 0) {
13288 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13290 if (matchMode || appData.timeDelay == 0) {
13292 } else if (appData.timeDelay > 0) {
13293 AutoPlayGameLoop();
13296 if (appData.debugMode)
13297 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13299 loadFlag = 0; /* [HGM] true game starts */
13303 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13305 ReloadPosition (int offset)
13307 int positionNumber = lastLoadPositionNumber + offset;
13308 if (lastLoadPositionFP == NULL) {
13309 DisplayError(_("No position has been loaded yet"), 0);
13312 if (positionNumber <= 0) {
13313 DisplayError(_("Can't back up any further"), 0);
13316 return LoadPosition(lastLoadPositionFP, positionNumber,
13317 lastLoadPositionTitle);
13320 /* Load the nth position from the given file */
13322 LoadPositionFromFile (char *filename, int n, char *title)
13327 if (strcmp(filename, "-") == 0) {
13328 return LoadPosition(stdin, n, "stdin");
13330 f = fopen(filename, "rb");
13332 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13333 DisplayError(buf, errno);
13336 return LoadPosition(f, n, title);
13341 /* Load the nth position from the given open file, and close it */
13343 LoadPosition (FILE *f, int positionNumber, char *title)
13345 char *p, line[MSG_SIZ];
13346 Board initial_position;
13347 int i, j, fenMode, pn;
13349 if (gameMode == Training )
13350 SetTrainingModeOff();
13352 if (gameMode != BeginningOfGame) {
13353 Reset(FALSE, TRUE);
13355 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13356 fclose(lastLoadPositionFP);
13358 if (positionNumber == 0) positionNumber = 1;
13359 lastLoadPositionFP = f;
13360 lastLoadPositionNumber = positionNumber;
13361 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13362 if (first.pr == NoProc && !appData.noChessProgram) {
13363 StartChessProgram(&first);
13364 InitChessProgram(&first, FALSE);
13366 pn = positionNumber;
13367 if (positionNumber < 0) {
13368 /* Negative position number means to seek to that byte offset */
13369 if (fseek(f, -positionNumber, 0) == -1) {
13370 DisplayError(_("Can't seek on position file"), 0);
13375 if (fseek(f, 0, 0) == -1) {
13376 if (f == lastLoadPositionFP ?
13377 positionNumber == lastLoadPositionNumber + 1 :
13378 positionNumber == 1) {
13381 DisplayError(_("Can't seek on position file"), 0);
13386 /* See if this file is FEN or old-style xboard */
13387 if (fgets(line, MSG_SIZ, f) == NULL) {
13388 DisplayError(_("Position not found in file"), 0);
13391 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13392 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13395 if (fenMode || line[0] == '#') pn--;
13397 /* skip positions before number pn */
13398 if (fgets(line, MSG_SIZ, f) == NULL) {
13400 DisplayError(_("Position not found in file"), 0);
13403 if (fenMode || line[0] == '#') pn--;
13409 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13410 DisplayError(_("Bad FEN position in file"), 0);
13413 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13414 sscanf(p+3, "%s", bestMove);
13415 } else *bestMove = NULLCHAR;
13417 (void) fgets(line, MSG_SIZ, f);
13418 (void) fgets(line, MSG_SIZ, f);
13420 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13421 (void) fgets(line, MSG_SIZ, f);
13422 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13425 initial_position[i][j++] = CharToPiece(*p);
13429 blackPlaysFirst = FALSE;
13431 (void) fgets(line, MSG_SIZ, f);
13432 if (strncmp(line, "black", strlen("black"))==0)
13433 blackPlaysFirst = TRUE;
13436 startedFromSetupPosition = TRUE;
13438 CopyBoard(boards[0], initial_position);
13439 if (blackPlaysFirst) {
13440 currentMove = forwardMostMove = backwardMostMove = 1;
13441 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13442 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13443 CopyBoard(boards[1], initial_position);
13444 DisplayMessage("", _("Black to play"));
13446 currentMove = forwardMostMove = backwardMostMove = 0;
13447 DisplayMessage("", _("White to play"));
13449 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13450 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13451 SendToProgram("force\n", &first);
13452 SendBoard(&first, forwardMostMove);
13454 if (appData.debugMode) {
13456 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13457 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13458 fprintf(debugFP, "Load Position\n");
13461 if (positionNumber > 1) {
13462 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13463 DisplayTitle(line);
13465 DisplayTitle(title);
13467 gameMode = EditGame;
13470 timeRemaining[0][1] = whiteTimeRemaining;
13471 timeRemaining[1][1] = blackTimeRemaining;
13472 DrawPosition(FALSE, boards[currentMove]);
13479 CopyPlayerNameIntoFileName (char **dest, char *src)
13481 while (*src != NULLCHAR && *src != ',') {
13486 *(*dest)++ = *src++;
13492 DefaultFileName (char *ext)
13494 static char def[MSG_SIZ];
13497 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13499 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13501 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13503 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13510 /* Save the current game to the given file */
13512 SaveGameToFile (char *filename, int append)
13516 int result, i, t,tot=0;
13518 if (strcmp(filename, "-") == 0) {
13519 return SaveGame(stdout, 0, NULL);
13521 for(i=0; i<10; i++) { // upto 10 tries
13522 f = fopen(filename, append ? "a" : "w");
13523 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13524 if(f || errno != 13) break;
13525 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13529 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13530 DisplayError(buf, errno);
13533 safeStrCpy(buf, lastMsg, MSG_SIZ);
13534 DisplayMessage(_("Waiting for access to save file"), "");
13535 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13536 DisplayMessage(_("Saving game"), "");
13537 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13538 result = SaveGame(f, 0, NULL);
13539 DisplayMessage(buf, "");
13546 SavePart (char *str)
13548 static char buf[MSG_SIZ];
13551 p = strchr(str, ' ');
13552 if (p == NULL) return str;
13553 strncpy(buf, str, p - str);
13554 buf[p - str] = NULLCHAR;
13558 #define PGN_MAX_LINE 75
13560 #define PGN_SIDE_WHITE 0
13561 #define PGN_SIDE_BLACK 1
13564 FindFirstMoveOutOfBook (int side)
13568 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13569 int index = backwardMostMove;
13570 int has_book_hit = 0;
13572 if( (index % 2) != side ) {
13576 while( index < forwardMostMove ) {
13577 /* Check to see if engine is in book */
13578 int depth = pvInfoList[index].depth;
13579 int score = pvInfoList[index].score;
13585 else if( score == 0 && depth == 63 ) {
13586 in_book = 1; /* Zappa */
13588 else if( score == 2 && depth == 99 ) {
13589 in_book = 1; /* Abrok */
13592 has_book_hit += in_book;
13608 GetOutOfBookInfo (char * buf)
13612 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13614 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13615 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13619 if( oob[0] >= 0 || oob[1] >= 0 ) {
13620 for( i=0; i<2; i++ ) {
13624 if( i > 0 && oob[0] >= 0 ) {
13625 strcat( buf, " " );
13628 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13629 sprintf( buf+strlen(buf), "%s%.2f",
13630 pvInfoList[idx].score >= 0 ? "+" : "",
13631 pvInfoList[idx].score / 100.0 );
13637 /* Save game in PGN style */
13639 SaveGamePGN2 (FILE *f)
13641 int i, offset, linelen, newblock;
13644 int movelen, numlen, blank;
13645 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13647 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13649 PrintPGNTags(f, &gameInfo);
13651 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13653 if (backwardMostMove > 0 || startedFromSetupPosition) {
13654 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13655 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13656 fprintf(f, "\n{--------------\n");
13657 PrintPosition(f, backwardMostMove);
13658 fprintf(f, "--------------}\n");
13662 /* [AS] Out of book annotation */
13663 if( appData.saveOutOfBookInfo ) {
13666 GetOutOfBookInfo( buf );
13668 if( buf[0] != '\0' ) {
13669 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13676 i = backwardMostMove;
13680 while (i < forwardMostMove) {
13681 /* Print comments preceding this move */
13682 if (commentList[i] != NULL) {
13683 if (linelen > 0) fprintf(f, "\n");
13684 fprintf(f, "%s", commentList[i]);
13689 /* Format move number */
13691 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13694 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13696 numtext[0] = NULLCHAR;
13698 numlen = strlen(numtext);
13701 /* Print move number */
13702 blank = linelen > 0 && numlen > 0;
13703 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13712 fprintf(f, "%s", numtext);
13716 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13717 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13720 blank = linelen > 0 && movelen > 0;
13721 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13730 fprintf(f, "%s", move_buffer);
13731 linelen += movelen;
13733 /* [AS] Add PV info if present */
13734 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13735 /* [HGM] add time */
13736 char buf[MSG_SIZ]; int seconds;
13738 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13744 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13747 seconds = (seconds + 4)/10; // round to full seconds
13749 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13751 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13754 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13755 pvInfoList[i].score >= 0 ? "+" : "",
13756 pvInfoList[i].score / 100.0,
13757 pvInfoList[i].depth,
13760 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13762 /* Print score/depth */
13763 blank = linelen > 0 && movelen > 0;
13764 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13773 fprintf(f, "%s", move_buffer);
13774 linelen += movelen;
13780 /* Start a new line */
13781 if (linelen > 0) fprintf(f, "\n");
13783 /* Print comments after last move */
13784 if (commentList[i] != NULL) {
13785 fprintf(f, "%s\n", commentList[i]);
13789 if (gameInfo.resultDetails != NULL &&
13790 gameInfo.resultDetails[0] != NULLCHAR) {
13791 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13792 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13793 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13794 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13795 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13797 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13801 /* Save game in PGN style and close the file */
13803 SaveGamePGN (FILE *f)
13807 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13811 /* Save game in old style and close the file */
13813 SaveGameOldStyle (FILE *f)
13818 tm = time((time_t *) NULL);
13820 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13823 if (backwardMostMove > 0 || startedFromSetupPosition) {
13824 fprintf(f, "\n[--------------\n");
13825 PrintPosition(f, backwardMostMove);
13826 fprintf(f, "--------------]\n");
13831 i = backwardMostMove;
13832 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13834 while (i < forwardMostMove) {
13835 if (commentList[i] != NULL) {
13836 fprintf(f, "[%s]\n", commentList[i]);
13839 if ((i % 2) == 1) {
13840 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13843 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13845 if (commentList[i] != NULL) {
13849 if (i >= forwardMostMove) {
13853 fprintf(f, "%s\n", parseList[i]);
13858 if (commentList[i] != NULL) {
13859 fprintf(f, "[%s]\n", commentList[i]);
13862 /* This isn't really the old style, but it's close enough */
13863 if (gameInfo.resultDetails != NULL &&
13864 gameInfo.resultDetails[0] != NULLCHAR) {
13865 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13866 gameInfo.resultDetails);
13868 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13875 /* Save the current game to open file f and close the file */
13877 SaveGame (FILE *f, int dummy, char *dummy2)
13879 if (gameMode == EditPosition) EditPositionDone(TRUE);
13880 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13881 if (appData.oldSaveStyle)
13882 return SaveGameOldStyle(f);
13884 return SaveGamePGN(f);
13887 /* Save the current position to the given file */
13889 SavePositionToFile (char *filename)
13894 if (strcmp(filename, "-") == 0) {
13895 return SavePosition(stdout, 0, NULL);
13897 f = fopen(filename, "a");
13899 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13900 DisplayError(buf, errno);
13903 safeStrCpy(buf, lastMsg, MSG_SIZ);
13904 DisplayMessage(_("Waiting for access to save file"), "");
13905 flock(fileno(f), LOCK_EX); // [HGM] lock
13906 DisplayMessage(_("Saving position"), "");
13907 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13908 SavePosition(f, 0, NULL);
13909 DisplayMessage(buf, "");
13915 /* Save the current position to the given open file and close the file */
13917 SavePosition (FILE *f, int dummy, char *dummy2)
13922 if (gameMode == EditPosition) EditPositionDone(TRUE);
13923 if (appData.oldSaveStyle) {
13924 tm = time((time_t *) NULL);
13926 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13928 fprintf(f, "[--------------\n");
13929 PrintPosition(f, currentMove);
13930 fprintf(f, "--------------]\n");
13932 fen = PositionToFEN(currentMove, NULL, 1);
13933 fprintf(f, "%s\n", fen);
13941 ReloadCmailMsgEvent (int unregister)
13944 static char *inFilename = NULL;
13945 static char *outFilename;
13947 struct stat inbuf, outbuf;
13950 /* Any registered moves are unregistered if unregister is set, */
13951 /* i.e. invoked by the signal handler */
13953 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13954 cmailMoveRegistered[i] = FALSE;
13955 if (cmailCommentList[i] != NULL) {
13956 free(cmailCommentList[i]);
13957 cmailCommentList[i] = NULL;
13960 nCmailMovesRegistered = 0;
13963 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13964 cmailResult[i] = CMAIL_NOT_RESULT;
13968 if (inFilename == NULL) {
13969 /* Because the filenames are static they only get malloced once */
13970 /* and they never get freed */
13971 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13972 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13974 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13975 sprintf(outFilename, "%s.out", appData.cmailGameName);
13978 status = stat(outFilename, &outbuf);
13980 cmailMailedMove = FALSE;
13982 status = stat(inFilename, &inbuf);
13983 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13986 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13987 counts the games, notes how each one terminated, etc.
13989 It would be nice to remove this kludge and instead gather all
13990 the information while building the game list. (And to keep it
13991 in the game list nodes instead of having a bunch of fixed-size
13992 parallel arrays.) Note this will require getting each game's
13993 termination from the PGN tags, as the game list builder does
13994 not process the game moves. --mann
13996 cmailMsgLoaded = TRUE;
13997 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13999 /* Load first game in the file or popup game menu */
14000 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14002 #endif /* !WIN32 */
14010 char string[MSG_SIZ];
14012 if ( cmailMailedMove
14013 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14014 return TRUE; /* Allow free viewing */
14017 /* Unregister move to ensure that we don't leave RegisterMove */
14018 /* with the move registered when the conditions for registering no */
14020 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14021 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14022 nCmailMovesRegistered --;
14024 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14026 free(cmailCommentList[lastLoadGameNumber - 1]);
14027 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14031 if (cmailOldMove == -1) {
14032 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14036 if (currentMove > cmailOldMove + 1) {
14037 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14041 if (currentMove < cmailOldMove) {
14042 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14046 if (forwardMostMove > currentMove) {
14047 /* Silently truncate extra moves */
14051 if ( (currentMove == cmailOldMove + 1)
14052 || ( (currentMove == cmailOldMove)
14053 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14054 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14055 if (gameInfo.result != GameUnfinished) {
14056 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14059 if (commentList[currentMove] != NULL) {
14060 cmailCommentList[lastLoadGameNumber - 1]
14061 = StrSave(commentList[currentMove]);
14063 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14065 if (appData.debugMode)
14066 fprintf(debugFP, "Saving %s for game %d\n",
14067 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14069 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14071 f = fopen(string, "w");
14072 if (appData.oldSaveStyle) {
14073 SaveGameOldStyle(f); /* also closes the file */
14075 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14076 f = fopen(string, "w");
14077 SavePosition(f, 0, NULL); /* also closes the file */
14079 fprintf(f, "{--------------\n");
14080 PrintPosition(f, currentMove);
14081 fprintf(f, "--------------}\n\n");
14083 SaveGame(f, 0, NULL); /* also closes the file*/
14086 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14087 nCmailMovesRegistered ++;
14088 } else if (nCmailGames == 1) {
14089 DisplayError(_("You have not made a move yet"), 0);
14100 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14101 FILE *commandOutput;
14102 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14103 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14109 if (! cmailMsgLoaded) {
14110 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14114 if (nCmailGames == nCmailResults) {
14115 DisplayError(_("No unfinished games"), 0);
14119 #if CMAIL_PROHIBIT_REMAIL
14120 if (cmailMailedMove) {
14121 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);
14122 DisplayError(msg, 0);
14127 if (! (cmailMailedMove || RegisterMove())) return;
14129 if ( cmailMailedMove
14130 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14131 snprintf(string, MSG_SIZ, partCommandString,
14132 appData.debugMode ? " -v" : "", appData.cmailGameName);
14133 commandOutput = popen(string, "r");
14135 if (commandOutput == NULL) {
14136 DisplayError(_("Failed to invoke cmail"), 0);
14138 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14139 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14141 if (nBuffers > 1) {
14142 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14143 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14144 nBytes = MSG_SIZ - 1;
14146 (void) memcpy(msg, buffer, nBytes);
14148 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14150 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14151 cmailMailedMove = TRUE; /* Prevent >1 moves */
14154 for (i = 0; i < nCmailGames; i ++) {
14155 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14160 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14162 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14164 appData.cmailGameName,
14166 LoadGameFromFile(buffer, 1, buffer, FALSE);
14167 cmailMsgLoaded = FALSE;
14171 DisplayInformation(msg);
14172 pclose(commandOutput);
14175 if ((*cmailMsg) != '\0') {
14176 DisplayInformation(cmailMsg);
14181 #endif /* !WIN32 */
14190 int prependComma = 0;
14192 char string[MSG_SIZ]; /* Space for game-list */
14195 if (!cmailMsgLoaded) return "";
14197 if (cmailMailedMove) {
14198 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14200 /* Create a list of games left */
14201 snprintf(string, MSG_SIZ, "[");
14202 for (i = 0; i < nCmailGames; i ++) {
14203 if (! ( cmailMoveRegistered[i]
14204 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14205 if (prependComma) {
14206 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14208 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14212 strcat(string, number);
14215 strcat(string, "]");
14217 if (nCmailMovesRegistered + nCmailResults == 0) {
14218 switch (nCmailGames) {
14220 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14224 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14228 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14233 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14235 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14240 if (nCmailResults == nCmailGames) {
14241 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14243 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14248 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14260 if (gameMode == Training)
14261 SetTrainingModeOff();
14264 cmailMsgLoaded = FALSE;
14265 if (appData.icsActive) {
14266 SendToICS(ics_prefix);
14267 SendToICS("refresh\n");
14272 ExitEvent (int status)
14276 /* Give up on clean exit */
14280 /* Keep trying for clean exit */
14284 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14285 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14287 if (telnetISR != NULL) {
14288 RemoveInputSource(telnetISR);
14290 if (icsPR != NoProc) {
14291 DestroyChildProcess(icsPR, TRUE);
14294 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14295 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14297 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14298 /* make sure this other one finishes before killing it! */
14299 if(endingGame) { int count = 0;
14300 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14301 while(endingGame && count++ < 10) DoSleep(1);
14302 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14305 /* Kill off chess programs */
14306 if (first.pr != NoProc) {
14309 DoSleep( appData.delayBeforeQuit );
14310 SendToProgram("quit\n", &first);
14311 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14313 if (second.pr != NoProc) {
14314 DoSleep( appData.delayBeforeQuit );
14315 SendToProgram("quit\n", &second);
14316 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14318 if (first.isr != NULL) {
14319 RemoveInputSource(first.isr);
14321 if (second.isr != NULL) {
14322 RemoveInputSource(second.isr);
14325 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14326 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14328 ShutDownFrontEnd();
14333 PauseEngine (ChessProgramState *cps)
14335 SendToProgram("pause\n", cps);
14340 UnPauseEngine (ChessProgramState *cps)
14342 SendToProgram("resume\n", cps);
14349 if (appData.debugMode)
14350 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14354 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14356 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14357 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14358 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14360 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14361 HandleMachineMove(stashedInputMove, stalledEngine);
14362 stalledEngine = NULL;
14365 if (gameMode == MachinePlaysWhite ||
14366 gameMode == TwoMachinesPlay ||
14367 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14368 if(first.pause) UnPauseEngine(&first);
14369 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14370 if(second.pause) UnPauseEngine(&second);
14371 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14374 DisplayBothClocks();
14376 if (gameMode == PlayFromGameFile) {
14377 if (appData.timeDelay >= 0)
14378 AutoPlayGameLoop();
14379 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14380 Reset(FALSE, TRUE);
14381 SendToICS(ics_prefix);
14382 SendToICS("refresh\n");
14383 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14384 ForwardInner(forwardMostMove);
14386 pauseExamInvalid = FALSE;
14388 switch (gameMode) {
14392 pauseExamForwardMostMove = forwardMostMove;
14393 pauseExamInvalid = FALSE;
14396 case IcsPlayingWhite:
14397 case IcsPlayingBlack:
14401 case PlayFromGameFile:
14402 (void) StopLoadGameTimer();
14406 case BeginningOfGame:
14407 if (appData.icsActive) return;
14408 /* else fall through */
14409 case MachinePlaysWhite:
14410 case MachinePlaysBlack:
14411 case TwoMachinesPlay:
14412 if (forwardMostMove == 0)
14413 return; /* don't pause if no one has moved */
14414 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14415 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14416 if(onMove->pause) { // thinking engine can be paused
14417 PauseEngine(onMove); // do it
14418 if(onMove->other->pause) // pondering opponent can always be paused immediately
14419 PauseEngine(onMove->other);
14421 SendToProgram("easy\n", onMove->other);
14423 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14424 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14426 PauseEngine(&first);
14428 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14429 } else { // human on move, pause pondering by either method
14431 PauseEngine(&first);
14432 else if(appData.ponderNextMove)
14433 SendToProgram("easy\n", &first);
14436 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14446 EditCommentEvent ()
14448 char title[MSG_SIZ];
14450 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14451 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14453 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14454 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14455 parseList[currentMove - 1]);
14458 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14465 char *tags = PGNTags(&gameInfo);
14467 EditTagsPopUp(tags, NULL);
14474 if(second.analyzing) {
14475 SendToProgram("exit\n", &second);
14476 second.analyzing = FALSE;
14478 if (second.pr == NoProc) StartChessProgram(&second);
14479 InitChessProgram(&second, FALSE);
14480 FeedMovesToProgram(&second, currentMove);
14482 SendToProgram("analyze\n", &second);
14483 second.analyzing = TRUE;
14487 /* Toggle ShowThinking */
14489 ToggleShowThinking()
14491 appData.showThinking = !appData.showThinking;
14492 ShowThinkingEvent();
14496 AnalyzeModeEvent ()
14500 if (!first.analysisSupport) {
14501 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14502 DisplayError(buf, 0);
14505 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14506 if (appData.icsActive) {
14507 if (gameMode != IcsObserving) {
14508 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14509 DisplayError(buf, 0);
14511 if (appData.icsEngineAnalyze) {
14512 if (appData.debugMode)
14513 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14519 /* if enable, user wants to disable icsEngineAnalyze */
14520 if (appData.icsEngineAnalyze) {
14525 appData.icsEngineAnalyze = TRUE;
14526 if (appData.debugMode)
14527 fprintf(debugFP, "ICS engine analyze starting... \n");
14530 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14531 if (appData.noChessProgram || gameMode == AnalyzeMode)
14534 if (gameMode != AnalyzeFile) {
14535 if (!appData.icsEngineAnalyze) {
14537 if (gameMode != EditGame) return 0;
14539 if (!appData.showThinking) ToggleShowThinking();
14540 ResurrectChessProgram();
14541 SendToProgram("analyze\n", &first);
14542 first.analyzing = TRUE;
14543 /*first.maybeThinking = TRUE;*/
14544 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14545 EngineOutputPopUp();
14547 if (!appData.icsEngineAnalyze) {
14548 gameMode = AnalyzeMode;
14549 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14555 StartAnalysisClock();
14556 GetTimeMark(&lastNodeCountTime);
14562 AnalyzeFileEvent ()
14564 if (appData.noChessProgram || gameMode == AnalyzeFile)
14567 if (!first.analysisSupport) {
14569 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14570 DisplayError(buf, 0);
14574 if (gameMode != AnalyzeMode) {
14575 keepInfo = 1; // mere annotating should not alter PGN tags
14578 if (gameMode != EditGame) return;
14579 if (!appData.showThinking) ToggleShowThinking();
14580 ResurrectChessProgram();
14581 SendToProgram("analyze\n", &first);
14582 first.analyzing = TRUE;
14583 /*first.maybeThinking = TRUE;*/
14584 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14585 EngineOutputPopUp();
14587 gameMode = AnalyzeFile;
14591 StartAnalysisClock();
14592 GetTimeMark(&lastNodeCountTime);
14594 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14595 AnalysisPeriodicEvent(1);
14599 MachineWhiteEvent ()
14602 char *bookHit = NULL;
14604 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14608 if (gameMode == PlayFromGameFile ||
14609 gameMode == TwoMachinesPlay ||
14610 gameMode == Training ||
14611 gameMode == AnalyzeMode ||
14612 gameMode == EndOfGame)
14615 if (gameMode == EditPosition)
14616 EditPositionDone(TRUE);
14618 if (!WhiteOnMove(currentMove)) {
14619 DisplayError(_("It is not White's turn"), 0);
14623 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14626 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14627 gameMode == AnalyzeFile)
14630 ResurrectChessProgram(); /* in case it isn't running */
14631 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14632 gameMode = MachinePlaysWhite;
14635 gameMode = MachinePlaysWhite;
14639 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14641 if (first.sendName) {
14642 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14643 SendToProgram(buf, &first);
14645 if (first.sendTime) {
14646 if (first.useColors) {
14647 SendToProgram("black\n", &first); /*gnu kludge*/
14649 SendTimeRemaining(&first, TRUE);
14651 if (first.useColors) {
14652 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14654 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14655 SetMachineThinkingEnables();
14656 first.maybeThinking = TRUE;
14660 if (appData.autoFlipView && !flipView) {
14661 flipView = !flipView;
14662 DrawPosition(FALSE, NULL);
14663 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14666 if(bookHit) { // [HGM] book: simulate book reply
14667 static char bookMove[MSG_SIZ]; // a bit generous?
14669 programStats.nodes = programStats.depth = programStats.time =
14670 programStats.score = programStats.got_only_move = 0;
14671 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14673 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14674 strcat(bookMove, bookHit);
14675 HandleMachineMove(bookMove, &first);
14680 MachineBlackEvent ()
14683 char *bookHit = NULL;
14685 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14689 if (gameMode == PlayFromGameFile ||
14690 gameMode == TwoMachinesPlay ||
14691 gameMode == Training ||
14692 gameMode == AnalyzeMode ||
14693 gameMode == EndOfGame)
14696 if (gameMode == EditPosition)
14697 EditPositionDone(TRUE);
14699 if (WhiteOnMove(currentMove)) {
14700 DisplayError(_("It is not Black's turn"), 0);
14704 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14707 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14708 gameMode == AnalyzeFile)
14711 ResurrectChessProgram(); /* in case it isn't running */
14712 gameMode = MachinePlaysBlack;
14716 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14718 if (first.sendName) {
14719 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14720 SendToProgram(buf, &first);
14722 if (first.sendTime) {
14723 if (first.useColors) {
14724 SendToProgram("white\n", &first); /*gnu kludge*/
14726 SendTimeRemaining(&first, FALSE);
14728 if (first.useColors) {
14729 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14731 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14732 SetMachineThinkingEnables();
14733 first.maybeThinking = TRUE;
14736 if (appData.autoFlipView && flipView) {
14737 flipView = !flipView;
14738 DrawPosition(FALSE, NULL);
14739 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14741 if(bookHit) { // [HGM] book: simulate book reply
14742 static char bookMove[MSG_SIZ]; // a bit generous?
14744 programStats.nodes = programStats.depth = programStats.time =
14745 programStats.score = programStats.got_only_move = 0;
14746 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14748 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14749 strcat(bookMove, bookHit);
14750 HandleMachineMove(bookMove, &first);
14756 DisplayTwoMachinesTitle ()
14759 if (appData.matchGames > 0) {
14760 if(appData.tourneyFile[0]) {
14761 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14762 gameInfo.white, _("vs."), gameInfo.black,
14763 nextGame+1, appData.matchGames+1,
14764 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14766 if (first.twoMachinesColor[0] == 'w') {
14767 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14768 gameInfo.white, _("vs."), gameInfo.black,
14769 first.matchWins, second.matchWins,
14770 matchGame - 1 - (first.matchWins + second.matchWins));
14772 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14773 gameInfo.white, _("vs."), gameInfo.black,
14774 second.matchWins, first.matchWins,
14775 matchGame - 1 - (first.matchWins + second.matchWins));
14778 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14784 SettingsMenuIfReady ()
14786 if (second.lastPing != second.lastPong) {
14787 DisplayMessage("", _("Waiting for second chess program"));
14788 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14792 DisplayMessage("", "");
14793 SettingsPopUp(&second);
14797 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14800 if (cps->pr == NoProc) {
14801 StartChessProgram(cps);
14802 if (cps->protocolVersion == 1) {
14804 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14806 /* kludge: allow timeout for initial "feature" command */
14807 if(retry != TwoMachinesEventIfReady) FreezeUI();
14808 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14809 DisplayMessage("", buf);
14810 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14818 TwoMachinesEvent P((void))
14822 ChessProgramState *onmove;
14823 char *bookHit = NULL;
14824 static int stalling = 0;
14828 if (appData.noChessProgram) return;
14830 switch (gameMode) {
14831 case TwoMachinesPlay:
14833 case MachinePlaysWhite:
14834 case MachinePlaysBlack:
14835 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14836 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14840 case BeginningOfGame:
14841 case PlayFromGameFile:
14844 if (gameMode != EditGame) return;
14847 EditPositionDone(TRUE);
14858 // forwardMostMove = currentMove;
14859 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14860 startingEngine = TRUE;
14862 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14864 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14865 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14866 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14869 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14871 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14872 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14873 startingEngine = matchMode = FALSE;
14874 DisplayError("second engine does not play this", 0);
14875 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14876 EditGameEvent(); // switch back to EditGame mode
14881 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14882 SendToProgram("force\n", &second);
14884 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14887 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14888 if(appData.matchPause>10000 || appData.matchPause<10)
14889 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14890 wait = SubtractTimeMarks(&now, &pauseStart);
14891 if(wait < appData.matchPause) {
14892 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14895 // we are now committed to starting the game
14897 DisplayMessage("", "");
14898 if (startedFromSetupPosition) {
14899 SendBoard(&second, backwardMostMove);
14900 if (appData.debugMode) {
14901 fprintf(debugFP, "Two Machines\n");
14904 for (i = backwardMostMove; i < forwardMostMove; i++) {
14905 SendMoveToProgram(i, &second);
14908 gameMode = TwoMachinesPlay;
14909 pausing = startingEngine = FALSE;
14910 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14912 DisplayTwoMachinesTitle();
14914 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14919 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14920 SendToProgram(first.computerString, &first);
14921 if (first.sendName) {
14922 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14923 SendToProgram(buf, &first);
14925 SendToProgram(second.computerString, &second);
14926 if (second.sendName) {
14927 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14928 SendToProgram(buf, &second);
14932 if (!first.sendTime || !second.sendTime) {
14933 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14934 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14936 if (onmove->sendTime) {
14937 if (onmove->useColors) {
14938 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14940 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14942 if (onmove->useColors) {
14943 SendToProgram(onmove->twoMachinesColor, onmove);
14945 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14946 // SendToProgram("go\n", onmove);
14947 onmove->maybeThinking = TRUE;
14948 SetMachineThinkingEnables();
14952 if(bookHit) { // [HGM] book: simulate book reply
14953 static char bookMove[MSG_SIZ]; // a bit generous?
14955 programStats.nodes = programStats.depth = programStats.time =
14956 programStats.score = programStats.got_only_move = 0;
14957 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14959 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14960 strcat(bookMove, bookHit);
14961 savedMessage = bookMove; // args for deferred call
14962 savedState = onmove;
14963 ScheduleDelayedEvent(DeferredBookMove, 1);
14970 if (gameMode == Training) {
14971 SetTrainingModeOff();
14972 gameMode = PlayFromGameFile;
14973 DisplayMessage("", _("Training mode off"));
14975 gameMode = Training;
14976 animateTraining = appData.animate;
14978 /* make sure we are not already at the end of the game */
14979 if (currentMove < forwardMostMove) {
14980 SetTrainingModeOn();
14981 DisplayMessage("", _("Training mode on"));
14983 gameMode = PlayFromGameFile;
14984 DisplayError(_("Already at end of game"), 0);
14993 if (!appData.icsActive) return;
14994 switch (gameMode) {
14995 case IcsPlayingWhite:
14996 case IcsPlayingBlack:
14999 case BeginningOfGame:
15007 EditPositionDone(TRUE);
15020 gameMode = IcsIdle;
15030 switch (gameMode) {
15032 SetTrainingModeOff();
15034 case MachinePlaysWhite:
15035 case MachinePlaysBlack:
15036 case BeginningOfGame:
15037 SendToProgram("force\n", &first);
15038 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15039 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15041 abortEngineThink = TRUE;
15042 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15043 SendToProgram(buf, &first);
15044 DisplayMessage("Aborting engine think", "");
15048 SetUserThinkingEnables();
15050 case PlayFromGameFile:
15051 (void) StopLoadGameTimer();
15052 if (gameFileFP != NULL) {
15057 EditPositionDone(TRUE);
15062 SendToProgram("force\n", &first);
15064 case TwoMachinesPlay:
15065 GameEnds(EndOfFile, NULL, GE_PLAYER);
15066 ResurrectChessProgram();
15067 SetUserThinkingEnables();
15070 ResurrectChessProgram();
15072 case IcsPlayingBlack:
15073 case IcsPlayingWhite:
15074 DisplayError(_("Warning: You are still playing a game"), 0);
15077 DisplayError(_("Warning: You are still observing a game"), 0);
15080 DisplayError(_("Warning: You are still examining a game"), 0);
15091 first.offeredDraw = second.offeredDraw = 0;
15093 if (gameMode == PlayFromGameFile) {
15094 whiteTimeRemaining = timeRemaining[0][currentMove];
15095 blackTimeRemaining = timeRemaining[1][currentMove];
15099 if (gameMode == MachinePlaysWhite ||
15100 gameMode == MachinePlaysBlack ||
15101 gameMode == TwoMachinesPlay ||
15102 gameMode == EndOfGame) {
15103 i = forwardMostMove;
15104 while (i > currentMove) {
15105 SendToProgram("undo\n", &first);
15108 if(!adjustedClock) {
15109 whiteTimeRemaining = timeRemaining[0][currentMove];
15110 blackTimeRemaining = timeRemaining[1][currentMove];
15111 DisplayBothClocks();
15113 if (whiteFlag || blackFlag) {
15114 whiteFlag = blackFlag = 0;
15119 gameMode = EditGame;
15126 EditPositionEvent ()
15128 if (gameMode == EditPosition) {
15134 if (gameMode != EditGame) return;
15136 gameMode = EditPosition;
15139 if (currentMove > 0)
15140 CopyBoard(boards[0], boards[currentMove]);
15142 blackPlaysFirst = !WhiteOnMove(currentMove);
15144 currentMove = forwardMostMove = backwardMostMove = 0;
15145 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15147 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15153 /* [DM] icsEngineAnalyze - possible call from other functions */
15154 if (appData.icsEngineAnalyze) {
15155 appData.icsEngineAnalyze = FALSE;
15157 DisplayMessage("",_("Close ICS engine analyze..."));
15159 if (first.analysisSupport && first.analyzing) {
15160 SendToBoth("exit\n");
15161 first.analyzing = second.analyzing = FALSE;
15163 thinkOutput[0] = NULLCHAR;
15167 EditPositionDone (Boolean fakeRights)
15169 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15171 startedFromSetupPosition = TRUE;
15172 InitChessProgram(&first, FALSE);
15173 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15174 boards[0][EP_STATUS] = EP_NONE;
15175 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15176 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15177 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15178 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15179 } else boards[0][CASTLING][2] = NoRights;
15180 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15181 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15182 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15183 } else boards[0][CASTLING][5] = NoRights;
15184 if(gameInfo.variant == VariantSChess) {
15186 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15187 boards[0][VIRGIN][i] = 0;
15188 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15189 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15193 SendToProgram("force\n", &first);
15194 if (blackPlaysFirst) {
15195 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15196 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15197 currentMove = forwardMostMove = backwardMostMove = 1;
15198 CopyBoard(boards[1], boards[0]);
15200 currentMove = forwardMostMove = backwardMostMove = 0;
15202 SendBoard(&first, forwardMostMove);
15203 if (appData.debugMode) {
15204 fprintf(debugFP, "EditPosDone\n");
15207 DisplayMessage("", "");
15208 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15209 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15210 gameMode = EditGame;
15212 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15213 ClearHighlights(); /* [AS] */
15216 /* Pause for `ms' milliseconds */
15217 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15219 TimeDelay (long ms)
15226 } while (SubtractTimeMarks(&m2, &m1) < ms);
15229 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15231 SendMultiLineToICS (char *buf)
15233 char temp[MSG_SIZ+1], *p;
15240 strncpy(temp, buf, len);
15245 if (*p == '\n' || *p == '\r')
15250 strcat(temp, "\n");
15252 SendToPlayer(temp, strlen(temp));
15256 SetWhiteToPlayEvent ()
15258 if (gameMode == EditPosition) {
15259 blackPlaysFirst = FALSE;
15260 DisplayBothClocks(); /* works because currentMove is 0 */
15261 } else if (gameMode == IcsExamining) {
15262 SendToICS(ics_prefix);
15263 SendToICS("tomove white\n");
15268 SetBlackToPlayEvent ()
15270 if (gameMode == EditPosition) {
15271 blackPlaysFirst = TRUE;
15272 currentMove = 1; /* kludge */
15273 DisplayBothClocks();
15275 } else if (gameMode == IcsExamining) {
15276 SendToICS(ics_prefix);
15277 SendToICS("tomove black\n");
15282 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15285 ChessSquare piece = boards[0][y][x];
15286 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15287 static int lastVariant;
15289 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15291 switch (selection) {
15293 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15294 MarkTargetSquares(1);
15295 CopyBoard(currentBoard, boards[0]);
15296 CopyBoard(menuBoard, initialPosition);
15297 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15298 SendToICS(ics_prefix);
15299 SendToICS("bsetup clear\n");
15300 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15301 SendToICS(ics_prefix);
15302 SendToICS("clearboard\n");
15305 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15306 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15307 for (y = 0; y < BOARD_HEIGHT; y++) {
15308 if (gameMode == IcsExamining) {
15309 if (boards[currentMove][y][x] != EmptySquare) {
15310 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15314 } else if(boards[0][y][x] != DarkSquare) {
15315 if(boards[0][y][x] != p) nonEmpty++;
15316 boards[0][y][x] = p;
15320 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15322 for(r = 0; r < BOARD_HEIGHT; r++) {
15323 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15324 ChessSquare p = menuBoard[r][x];
15325 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15328 DisplayMessage("Clicking clock again restores position", "");
15329 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15330 if(!nonEmpty) { // asked to clear an empty board
15331 CopyBoard(boards[0], menuBoard);
15333 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15334 CopyBoard(boards[0], initialPosition);
15336 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15337 && !CompareBoards(nullBoard, erasedBoard)) {
15338 CopyBoard(boards[0], erasedBoard);
15340 CopyBoard(erasedBoard, currentBoard);
15344 if (gameMode == EditPosition) {
15345 DrawPosition(FALSE, boards[0]);
15350 SetWhiteToPlayEvent();
15354 SetBlackToPlayEvent();
15358 if (gameMode == IcsExamining) {
15359 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15360 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15363 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15364 if(x == BOARD_LEFT-2) {
15365 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15366 boards[0][y][1] = 0;
15368 if(x == BOARD_RGHT+1) {
15369 if(y >= gameInfo.holdingsSize) break;
15370 boards[0][y][BOARD_WIDTH-2] = 0;
15373 boards[0][y][x] = EmptySquare;
15374 DrawPosition(FALSE, boards[0]);
15379 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15380 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15381 selection = (ChessSquare) (PROMOTED piece);
15382 } else if(piece == EmptySquare) selection = WhiteSilver;
15383 else selection = (ChessSquare)((int)piece - 1);
15387 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15388 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15389 selection = (ChessSquare) (DEMOTED piece);
15390 } else if(piece == EmptySquare) selection = BlackSilver;
15391 else selection = (ChessSquare)((int)piece + 1);
15396 if(gameInfo.variant == VariantShatranj ||
15397 gameInfo.variant == VariantXiangqi ||
15398 gameInfo.variant == VariantCourier ||
15399 gameInfo.variant == VariantASEAN ||
15400 gameInfo.variant == VariantMakruk )
15401 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15406 if(gameInfo.variant == VariantXiangqi)
15407 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15408 if(gameInfo.variant == VariantKnightmate)
15409 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15412 if (gameMode == IcsExamining) {
15413 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15414 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15415 PieceToChar(selection), AAA + x, ONE + y);
15418 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15420 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15421 n = PieceToNumber(selection - BlackPawn);
15422 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15423 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15424 boards[0][BOARD_HEIGHT-1-n][1]++;
15426 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15427 n = PieceToNumber(selection);
15428 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15429 boards[0][n][BOARD_WIDTH-1] = selection;
15430 boards[0][n][BOARD_WIDTH-2]++;
15433 boards[0][y][x] = selection;
15434 DrawPosition(TRUE, boards[0]);
15436 fromX = fromY = -1;
15444 DropMenuEvent (ChessSquare selection, int x, int y)
15446 ChessMove moveType;
15448 switch (gameMode) {
15449 case IcsPlayingWhite:
15450 case MachinePlaysBlack:
15451 if (!WhiteOnMove(currentMove)) {
15452 DisplayMoveError(_("It is Black's turn"));
15455 moveType = WhiteDrop;
15457 case IcsPlayingBlack:
15458 case MachinePlaysWhite:
15459 if (WhiteOnMove(currentMove)) {
15460 DisplayMoveError(_("It is White's turn"));
15463 moveType = BlackDrop;
15466 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15472 if (moveType == BlackDrop && selection < BlackPawn) {
15473 selection = (ChessSquare) ((int) selection
15474 + (int) BlackPawn - (int) WhitePawn);
15476 if (boards[currentMove][y][x] != EmptySquare) {
15477 DisplayMoveError(_("That square is occupied"));
15481 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15487 /* Accept a pending offer of any kind from opponent */
15489 if (appData.icsActive) {
15490 SendToICS(ics_prefix);
15491 SendToICS("accept\n");
15492 } else if (cmailMsgLoaded) {
15493 if (currentMove == cmailOldMove &&
15494 commentList[cmailOldMove] != NULL &&
15495 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15496 "Black offers a draw" : "White offers a draw")) {
15498 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15499 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15501 DisplayError(_("There is no pending offer on this move"), 0);
15502 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15505 /* Not used for offers from chess program */
15512 /* Decline a pending offer of any kind from opponent */
15514 if (appData.icsActive) {
15515 SendToICS(ics_prefix);
15516 SendToICS("decline\n");
15517 } else if (cmailMsgLoaded) {
15518 if (currentMove == cmailOldMove &&
15519 commentList[cmailOldMove] != NULL &&
15520 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15521 "Black offers a draw" : "White offers a draw")) {
15523 AppendComment(cmailOldMove, "Draw declined", TRUE);
15524 DisplayComment(cmailOldMove - 1, "Draw declined");
15527 DisplayError(_("There is no pending offer on this move"), 0);
15530 /* Not used for offers from chess program */
15537 /* Issue ICS rematch command */
15538 if (appData.icsActive) {
15539 SendToICS(ics_prefix);
15540 SendToICS("rematch\n");
15547 /* Call your opponent's flag (claim a win on time) */
15548 if (appData.icsActive) {
15549 SendToICS(ics_prefix);
15550 SendToICS("flag\n");
15552 switch (gameMode) {
15555 case MachinePlaysWhite:
15558 GameEnds(GameIsDrawn, "Both players ran out of time",
15561 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15563 DisplayError(_("Your opponent is not out of time"), 0);
15566 case MachinePlaysBlack:
15569 GameEnds(GameIsDrawn, "Both players ran out of time",
15572 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15574 DisplayError(_("Your opponent is not out of time"), 0);
15582 ClockClick (int which)
15583 { // [HGM] code moved to back-end from winboard.c
15584 if(which) { // black clock
15585 if (gameMode == EditPosition || gameMode == IcsExamining) {
15586 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15587 SetBlackToPlayEvent();
15588 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15589 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15590 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15591 } else if (shiftKey) {
15592 AdjustClock(which, -1);
15593 } else if (gameMode == IcsPlayingWhite ||
15594 gameMode == MachinePlaysBlack) {
15597 } else { // white clock
15598 if (gameMode == EditPosition || gameMode == IcsExamining) {
15599 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15600 SetWhiteToPlayEvent();
15601 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15602 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15603 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15604 } else if (shiftKey) {
15605 AdjustClock(which, -1);
15606 } else if (gameMode == IcsPlayingBlack ||
15607 gameMode == MachinePlaysWhite) {
15616 /* Offer draw or accept pending draw offer from opponent */
15618 if (appData.icsActive) {
15619 /* Note: tournament rules require draw offers to be
15620 made after you make your move but before you punch
15621 your clock. Currently ICS doesn't let you do that;
15622 instead, you immediately punch your clock after making
15623 a move, but you can offer a draw at any time. */
15625 SendToICS(ics_prefix);
15626 SendToICS("draw\n");
15627 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15628 } else if (cmailMsgLoaded) {
15629 if (currentMove == cmailOldMove &&
15630 commentList[cmailOldMove] != NULL &&
15631 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15632 "Black offers a draw" : "White offers a draw")) {
15633 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15634 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15635 } else if (currentMove == cmailOldMove + 1) {
15636 char *offer = WhiteOnMove(cmailOldMove) ?
15637 "White offers a draw" : "Black offers a draw";
15638 AppendComment(currentMove, offer, TRUE);
15639 DisplayComment(currentMove - 1, offer);
15640 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15642 DisplayError(_("You must make your move before offering a draw"), 0);
15643 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15645 } else if (first.offeredDraw) {
15646 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15648 if (first.sendDrawOffers) {
15649 SendToProgram("draw\n", &first);
15650 userOfferedDraw = TRUE;
15658 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15660 if (appData.icsActive) {
15661 SendToICS(ics_prefix);
15662 SendToICS("adjourn\n");
15664 /* Currently GNU Chess doesn't offer or accept Adjourns */
15672 /* Offer Abort or accept pending Abort offer from opponent */
15674 if (appData.icsActive) {
15675 SendToICS(ics_prefix);
15676 SendToICS("abort\n");
15678 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15685 /* Resign. You can do this even if it's not your turn. */
15687 if (appData.icsActive) {
15688 SendToICS(ics_prefix);
15689 SendToICS("resign\n");
15691 switch (gameMode) {
15692 case MachinePlaysWhite:
15693 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15695 case MachinePlaysBlack:
15696 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15699 if (cmailMsgLoaded) {
15701 if (WhiteOnMove(cmailOldMove)) {
15702 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15704 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15706 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15717 StopObservingEvent ()
15719 /* Stop observing current games */
15720 SendToICS(ics_prefix);
15721 SendToICS("unobserve\n");
15725 StopExaminingEvent ()
15727 /* Stop observing current game */
15728 SendToICS(ics_prefix);
15729 SendToICS("unexamine\n");
15733 ForwardInner (int target)
15735 int limit; int oldSeekGraphUp = seekGraphUp;
15737 if (appData.debugMode)
15738 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15739 target, currentMove, forwardMostMove);
15741 if (gameMode == EditPosition)
15744 seekGraphUp = FALSE;
15745 MarkTargetSquares(1);
15746 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15748 if (gameMode == PlayFromGameFile && !pausing)
15751 if (gameMode == IcsExamining && pausing)
15752 limit = pauseExamForwardMostMove;
15754 limit = forwardMostMove;
15756 if (target > limit) target = limit;
15758 if (target > 0 && moveList[target - 1][0]) {
15759 int fromX, fromY, toX, toY;
15760 toX = moveList[target - 1][2] - AAA;
15761 toY = moveList[target - 1][3] - ONE;
15762 if (moveList[target - 1][1] == '@') {
15763 if (appData.highlightLastMove) {
15764 SetHighlights(-1, -1, toX, toY);
15767 int viaX = moveList[target - 1][5] - AAA;
15768 int viaY = moveList[target - 1][6] - ONE;
15769 fromX = moveList[target - 1][0] - AAA;
15770 fromY = moveList[target - 1][1] - ONE;
15771 if (target == currentMove + 1) {
15772 if(moveList[target - 1][4] == ';') { // multi-leg
15773 ChessSquare piece = boards[currentMove][viaY][viaX];
15774 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15775 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15776 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15777 boards[currentMove][viaY][viaX] = piece;
15779 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15781 if (appData.highlightLastMove) {
15782 SetHighlights(fromX, fromY, toX, toY);
15786 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15787 gameMode == Training || gameMode == PlayFromGameFile ||
15788 gameMode == AnalyzeFile) {
15789 while (currentMove < target) {
15790 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15791 SendMoveToProgram(currentMove++, &first);
15794 currentMove = target;
15797 if (gameMode == EditGame || gameMode == EndOfGame) {
15798 whiteTimeRemaining = timeRemaining[0][currentMove];
15799 blackTimeRemaining = timeRemaining[1][currentMove];
15801 DisplayBothClocks();
15802 DisplayMove(currentMove - 1);
15803 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15804 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15805 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15806 DisplayComment(currentMove - 1, commentList[currentMove]);
15808 ClearMap(); // [HGM] exclude: invalidate map
15815 if (gameMode == IcsExamining && !pausing) {
15816 SendToICS(ics_prefix);
15817 SendToICS("forward\n");
15819 ForwardInner(currentMove + 1);
15826 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15827 /* to optimze, we temporarily turn off analysis mode while we feed
15828 * the remaining moves to the engine. Otherwise we get analysis output
15831 if (first.analysisSupport) {
15832 SendToProgram("exit\nforce\n", &first);
15833 first.analyzing = FALSE;
15837 if (gameMode == IcsExamining && !pausing) {
15838 SendToICS(ics_prefix);
15839 SendToICS("forward 999999\n");
15841 ForwardInner(forwardMostMove);
15844 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15845 /* we have fed all the moves, so reactivate analysis mode */
15846 SendToProgram("analyze\n", &first);
15847 first.analyzing = TRUE;
15848 /*first.maybeThinking = TRUE;*/
15849 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15854 BackwardInner (int target)
15856 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15858 if (appData.debugMode)
15859 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15860 target, currentMove, forwardMostMove);
15862 if (gameMode == EditPosition) return;
15863 seekGraphUp = FALSE;
15864 MarkTargetSquares(1);
15865 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15866 if (currentMove <= backwardMostMove) {
15868 DrawPosition(full_redraw, boards[currentMove]);
15871 if (gameMode == PlayFromGameFile && !pausing)
15874 if (moveList[target][0]) {
15875 int fromX, fromY, toX, toY;
15876 toX = moveList[target][2] - AAA;
15877 toY = moveList[target][3] - ONE;
15878 if (moveList[target][1] == '@') {
15879 if (appData.highlightLastMove) {
15880 SetHighlights(-1, -1, toX, toY);
15883 fromX = moveList[target][0] - AAA;
15884 fromY = moveList[target][1] - ONE;
15885 if (target == currentMove - 1) {
15886 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15888 if (appData.highlightLastMove) {
15889 SetHighlights(fromX, fromY, toX, toY);
15893 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15894 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15895 while (currentMove > target) {
15896 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15897 // null move cannot be undone. Reload program with move history before it.
15899 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15900 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15902 SendBoard(&first, i);
15903 if(second.analyzing) SendBoard(&second, i);
15904 for(currentMove=i; currentMove<target; currentMove++) {
15905 SendMoveToProgram(currentMove, &first);
15906 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15910 SendToBoth("undo\n");
15914 currentMove = target;
15917 if (gameMode == EditGame || gameMode == EndOfGame) {
15918 whiteTimeRemaining = timeRemaining[0][currentMove];
15919 blackTimeRemaining = timeRemaining[1][currentMove];
15921 DisplayBothClocks();
15922 DisplayMove(currentMove - 1);
15923 DrawPosition(full_redraw, boards[currentMove]);
15924 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15925 // [HGM] PV info: routine tests if comment empty
15926 DisplayComment(currentMove - 1, commentList[currentMove]);
15927 ClearMap(); // [HGM] exclude: invalidate map
15933 if (gameMode == IcsExamining && !pausing) {
15934 SendToICS(ics_prefix);
15935 SendToICS("backward\n");
15937 BackwardInner(currentMove - 1);
15944 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15945 /* to optimize, we temporarily turn off analysis mode while we undo
15946 * all the moves. Otherwise we get analysis output after each undo.
15948 if (first.analysisSupport) {
15949 SendToProgram("exit\nforce\n", &first);
15950 first.analyzing = FALSE;
15954 if (gameMode == IcsExamining && !pausing) {
15955 SendToICS(ics_prefix);
15956 SendToICS("backward 999999\n");
15958 BackwardInner(backwardMostMove);
15961 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15962 /* we have fed all the moves, so reactivate analysis mode */
15963 SendToProgram("analyze\n", &first);
15964 first.analyzing = TRUE;
15965 /*first.maybeThinking = TRUE;*/
15966 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15973 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15974 if (to >= forwardMostMove) to = forwardMostMove;
15975 if (to <= backwardMostMove) to = backwardMostMove;
15976 if (to < currentMove) {
15984 RevertEvent (Boolean annotate)
15986 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15989 if (gameMode != IcsExamining) {
15990 DisplayError(_("You are not examining a game"), 0);
15994 DisplayError(_("You can't revert while pausing"), 0);
15997 SendToICS(ics_prefix);
15998 SendToICS("revert\n");
16002 RetractMoveEvent ()
16004 switch (gameMode) {
16005 case MachinePlaysWhite:
16006 case MachinePlaysBlack:
16007 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16008 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16011 if (forwardMostMove < 2) return;
16012 currentMove = forwardMostMove = forwardMostMove - 2;
16013 whiteTimeRemaining = timeRemaining[0][currentMove];
16014 blackTimeRemaining = timeRemaining[1][currentMove];
16015 DisplayBothClocks();
16016 DisplayMove(currentMove - 1);
16017 ClearHighlights();/*!! could figure this out*/
16018 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16019 SendToProgram("remove\n", &first);
16020 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16023 case BeginningOfGame:
16027 case IcsPlayingWhite:
16028 case IcsPlayingBlack:
16029 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16030 SendToICS(ics_prefix);
16031 SendToICS("takeback 2\n");
16033 SendToICS(ics_prefix);
16034 SendToICS("takeback 1\n");
16043 ChessProgramState *cps;
16045 switch (gameMode) {
16046 case MachinePlaysWhite:
16047 if (!WhiteOnMove(forwardMostMove)) {
16048 DisplayError(_("It is your turn"), 0);
16053 case MachinePlaysBlack:
16054 if (WhiteOnMove(forwardMostMove)) {
16055 DisplayError(_("It is your turn"), 0);
16060 case TwoMachinesPlay:
16061 if (WhiteOnMove(forwardMostMove) ==
16062 (first.twoMachinesColor[0] == 'w')) {
16068 case BeginningOfGame:
16072 SendToProgram("?\n", cps);
16076 TruncateGameEvent ()
16079 if (gameMode != EditGame) return;
16086 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16087 if (forwardMostMove > currentMove) {
16088 if (gameInfo.resultDetails != NULL) {
16089 free(gameInfo.resultDetails);
16090 gameInfo.resultDetails = NULL;
16091 gameInfo.result = GameUnfinished;
16093 forwardMostMove = currentMove;
16094 HistorySet(parseList, backwardMostMove, forwardMostMove,
16102 if (appData.noChessProgram) return;
16103 switch (gameMode) {
16104 case MachinePlaysWhite:
16105 if (WhiteOnMove(forwardMostMove)) {
16106 DisplayError(_("Wait until your turn."), 0);
16110 case BeginningOfGame:
16111 case MachinePlaysBlack:
16112 if (!WhiteOnMove(forwardMostMove)) {
16113 DisplayError(_("Wait until your turn."), 0);
16118 DisplayError(_("No hint available"), 0);
16121 SendToProgram("hint\n", &first);
16122 hintRequested = TRUE;
16126 SaveSelected (FILE *g, int dummy, char *dummy2)
16128 ListGame * lg = (ListGame *) gameList.head;
16132 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16133 DisplayError(_("Game list not loaded or empty"), 0);
16137 creatingBook = TRUE; // suppresses stuff during load game
16139 /* Get list size */
16140 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16141 if(lg->position >= 0) { // selected?
16142 LoadGame(f, nItem, "", TRUE);
16143 SaveGamePGN2(g); // leaves g open
16146 lg = (ListGame *) lg->node.succ;
16150 creatingBook = FALSE;
16158 ListGame * lg = (ListGame *) gameList.head;
16161 static int secondTime = FALSE;
16163 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16164 DisplayError(_("Game list not loaded or empty"), 0);
16168 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16171 DisplayNote(_("Book file exists! Try again for overwrite."));
16175 creatingBook = TRUE;
16176 secondTime = FALSE;
16178 /* Get list size */
16179 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16180 if(lg->position >= 0) {
16181 LoadGame(f, nItem, "", TRUE);
16182 AddGameToBook(TRUE);
16185 lg = (ListGame *) lg->node.succ;
16188 creatingBook = FALSE;
16195 if (appData.noChessProgram) return;
16196 switch (gameMode) {
16197 case MachinePlaysWhite:
16198 if (WhiteOnMove(forwardMostMove)) {
16199 DisplayError(_("Wait until your turn."), 0);
16203 case BeginningOfGame:
16204 case MachinePlaysBlack:
16205 if (!WhiteOnMove(forwardMostMove)) {
16206 DisplayError(_("Wait until your turn."), 0);
16211 EditPositionDone(TRUE);
16213 case TwoMachinesPlay:
16218 SendToProgram("bk\n", &first);
16219 bookOutput[0] = NULLCHAR;
16220 bookRequested = TRUE;
16226 char *tags = PGNTags(&gameInfo);
16227 TagsPopUp(tags, CmailMsg());
16231 /* end button procedures */
16234 PrintPosition (FILE *fp, int move)
16238 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16239 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16240 char c = PieceToChar(boards[move][i][j]);
16241 fputc(c == 'x' ? '.' : c, fp);
16242 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16245 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16246 fprintf(fp, "white to play\n");
16248 fprintf(fp, "black to play\n");
16252 PrintOpponents (FILE *fp)
16254 if (gameInfo.white != NULL) {
16255 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16261 /* Find last component of program's own name, using some heuristics */
16263 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16266 int local = (strcmp(host, "localhost") == 0);
16267 while (!local && (p = strchr(prog, ';')) != NULL) {
16269 while (*p == ' ') p++;
16272 if (*prog == '"' || *prog == '\'') {
16273 q = strchr(prog + 1, *prog);
16275 q = strchr(prog, ' ');
16277 if (q == NULL) q = prog + strlen(prog);
16279 while (p >= prog && *p != '/' && *p != '\\') p--;
16281 if(p == prog && *p == '"') p++;
16283 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16284 memcpy(buf, p, q - p);
16285 buf[q - p] = NULLCHAR;
16293 TimeControlTagValue ()
16296 if (!appData.clockMode) {
16297 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16298 } else if (movesPerSession > 0) {
16299 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16300 } else if (timeIncrement == 0) {
16301 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16303 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16305 return StrSave(buf);
16311 /* This routine is used only for certain modes */
16312 VariantClass v = gameInfo.variant;
16313 ChessMove r = GameUnfinished;
16316 if(keepInfo) return;
16318 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16319 r = gameInfo.result;
16320 p = gameInfo.resultDetails;
16321 gameInfo.resultDetails = NULL;
16323 ClearGameInfo(&gameInfo);
16324 gameInfo.variant = v;
16326 switch (gameMode) {
16327 case MachinePlaysWhite:
16328 gameInfo.event = StrSave( appData.pgnEventHeader );
16329 gameInfo.site = StrSave(HostName());
16330 gameInfo.date = PGNDate();
16331 gameInfo.round = StrSave("-");
16332 gameInfo.white = StrSave(first.tidy);
16333 gameInfo.black = StrSave(UserName());
16334 gameInfo.timeControl = TimeControlTagValue();
16337 case MachinePlaysBlack:
16338 gameInfo.event = StrSave( appData.pgnEventHeader );
16339 gameInfo.site = StrSave(HostName());
16340 gameInfo.date = PGNDate();
16341 gameInfo.round = StrSave("-");
16342 gameInfo.white = StrSave(UserName());
16343 gameInfo.black = StrSave(first.tidy);
16344 gameInfo.timeControl = TimeControlTagValue();
16347 case TwoMachinesPlay:
16348 gameInfo.event = StrSave( appData.pgnEventHeader );
16349 gameInfo.site = StrSave(HostName());
16350 gameInfo.date = PGNDate();
16353 snprintf(buf, MSG_SIZ, "%d", roundNr);
16354 gameInfo.round = StrSave(buf);
16356 gameInfo.round = StrSave("-");
16358 if (first.twoMachinesColor[0] == 'w') {
16359 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16360 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16362 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16363 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16365 gameInfo.timeControl = TimeControlTagValue();
16369 gameInfo.event = StrSave("Edited game");
16370 gameInfo.site = StrSave(HostName());
16371 gameInfo.date = PGNDate();
16372 gameInfo.round = StrSave("-");
16373 gameInfo.white = StrSave("-");
16374 gameInfo.black = StrSave("-");
16375 gameInfo.result = r;
16376 gameInfo.resultDetails = p;
16380 gameInfo.event = StrSave("Edited position");
16381 gameInfo.site = StrSave(HostName());
16382 gameInfo.date = PGNDate();
16383 gameInfo.round = StrSave("-");
16384 gameInfo.white = StrSave("-");
16385 gameInfo.black = StrSave("-");
16388 case IcsPlayingWhite:
16389 case IcsPlayingBlack:
16394 case PlayFromGameFile:
16395 gameInfo.event = StrSave("Game from non-PGN file");
16396 gameInfo.site = StrSave(HostName());
16397 gameInfo.date = PGNDate();
16398 gameInfo.round = StrSave("-");
16399 gameInfo.white = StrSave("?");
16400 gameInfo.black = StrSave("?");
16409 ReplaceComment (int index, char *text)
16415 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16416 pvInfoList[index-1].depth == len &&
16417 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16418 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16419 while (*text == '\n') text++;
16420 len = strlen(text);
16421 while (len > 0 && text[len - 1] == '\n') len--;
16423 if (commentList[index] != NULL)
16424 free(commentList[index]);
16427 commentList[index] = NULL;
16430 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16431 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16432 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16433 commentList[index] = (char *) malloc(len + 2);
16434 strncpy(commentList[index], text, len);
16435 commentList[index][len] = '\n';
16436 commentList[index][len + 1] = NULLCHAR;
16438 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16440 commentList[index] = (char *) malloc(len + 7);
16441 safeStrCpy(commentList[index], "{\n", 3);
16442 safeStrCpy(commentList[index]+2, text, len+1);
16443 commentList[index][len+2] = NULLCHAR;
16444 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16445 strcat(commentList[index], "\n}\n");
16450 CrushCRs (char *text)
16458 if (ch == '\r') continue;
16460 } while (ch != '\0');
16464 AppendComment (int index, char *text, Boolean addBraces)
16465 /* addBraces tells if we should add {} */
16470 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16471 if(addBraces == 3) addBraces = 0; else // force appending literally
16472 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16475 while (*text == '\n') text++;
16476 len = strlen(text);
16477 while (len > 0 && text[len - 1] == '\n') len--;
16478 text[len] = NULLCHAR;
16480 if (len == 0) return;
16482 if (commentList[index] != NULL) {
16483 Boolean addClosingBrace = addBraces;
16484 old = commentList[index];
16485 oldlen = strlen(old);
16486 while(commentList[index][oldlen-1] == '\n')
16487 commentList[index][--oldlen] = NULLCHAR;
16488 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16489 safeStrCpy(commentList[index], old, oldlen + len + 6);
16491 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16492 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16493 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16494 while (*text == '\n') { text++; len--; }
16495 commentList[index][--oldlen] = NULLCHAR;
16497 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16498 else strcat(commentList[index], "\n");
16499 strcat(commentList[index], text);
16500 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16501 else strcat(commentList[index], "\n");
16503 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16505 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16506 else commentList[index][0] = NULLCHAR;
16507 strcat(commentList[index], text);
16508 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16509 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16514 FindStr (char * text, char * sub_text)
16516 char * result = strstr( text, sub_text );
16518 if( result != NULL ) {
16519 result += strlen( sub_text );
16525 /* [AS] Try to extract PV info from PGN comment */
16526 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16528 GetInfoFromComment (int index, char * text)
16530 char * sep = text, *p;
16532 if( text != NULL && index > 0 ) {
16535 int time = -1, sec = 0, deci;
16536 char * s_eval = FindStr( text, "[%eval " );
16537 char * s_emt = FindStr( text, "[%emt " );
16539 if( s_eval != NULL || s_emt != NULL ) {
16541 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16546 if( s_eval != NULL ) {
16547 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16551 if( delim != ']' ) {
16556 if( s_emt != NULL ) {
16561 /* We expect something like: [+|-]nnn.nn/dd */
16564 if(*text != '{') return text; // [HGM] braces: must be normal comment
16566 sep = strchr( text, '/' );
16567 if( sep == NULL || sep < (text+4) ) {
16572 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16573 if(p[1] == '(') { // comment starts with PV
16574 p = strchr(p, ')'); // locate end of PV
16575 if(p == NULL || sep < p+5) return text;
16576 // at this point we have something like "{(.*) +0.23/6 ..."
16577 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16578 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16579 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16581 time = -1; sec = -1; deci = -1;
16582 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16583 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16584 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16585 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16589 if( score_lo < 0 || score_lo >= 100 ) {
16593 if(sec >= 0) time = 600*time + 10*sec; else
16594 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16596 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16598 /* [HGM] PV time: now locate end of PV info */
16599 while( *++sep >= '0' && *sep <= '9'); // strip depth
16601 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16603 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16605 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16606 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16617 pvInfoList[index-1].depth = depth;
16618 pvInfoList[index-1].score = score;
16619 pvInfoList[index-1].time = 10*time; // centi-sec
16620 if(*sep == '}') *sep = 0; else *--sep = '{';
16621 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16627 SendToProgram (char *message, ChessProgramState *cps)
16629 int count, outCount, error;
16632 if (cps->pr == NoProc) return;
16635 if (appData.debugMode) {
16638 fprintf(debugFP, "%ld >%-6s: %s",
16639 SubtractTimeMarks(&now, &programStartTime),
16640 cps->which, message);
16642 fprintf(serverFP, "%ld >%-6s: %s",
16643 SubtractTimeMarks(&now, &programStartTime),
16644 cps->which, message), fflush(serverFP);
16647 count = strlen(message);
16648 outCount = OutputToProcess(cps->pr, message, count, &error);
16649 if (outCount < count && !exiting
16650 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16651 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16652 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16653 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16654 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16655 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16656 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16657 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16659 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16660 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16661 gameInfo.result = res;
16663 gameInfo.resultDetails = StrSave(buf);
16665 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16666 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16671 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16675 ChessProgramState *cps = (ChessProgramState *)closure;
16677 if (isr != cps->isr) return; /* Killed intentionally */
16680 RemoveInputSource(cps->isr);
16681 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16682 _(cps->which), cps->program);
16683 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16684 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16685 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16686 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16687 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16688 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16690 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16691 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16692 gameInfo.result = res;
16694 gameInfo.resultDetails = StrSave(buf);
16696 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16697 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16699 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16700 _(cps->which), cps->program);
16701 RemoveInputSource(cps->isr);
16703 /* [AS] Program is misbehaving badly... kill it */
16704 if( count == -2 ) {
16705 DestroyChildProcess( cps->pr, 9 );
16709 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16714 if ((end_str = strchr(message, '\r')) != NULL)
16715 *end_str = NULLCHAR;
16716 if ((end_str = strchr(message, '\n')) != NULL)
16717 *end_str = NULLCHAR;
16719 if (appData.debugMode) {
16720 TimeMark now; int print = 1;
16721 char *quote = ""; char c; int i;
16723 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16724 char start = message[0];
16725 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16726 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16727 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16728 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16729 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16730 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16731 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16732 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16733 sscanf(message, "hint: %c", &c)!=1 &&
16734 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16735 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16736 print = (appData.engineComments >= 2);
16738 message[0] = start; // restore original message
16742 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16743 SubtractTimeMarks(&now, &programStartTime), cps->which,
16747 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16748 SubtractTimeMarks(&now, &programStartTime), cps->which,
16750 message), fflush(serverFP);
16754 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16755 if (appData.icsEngineAnalyze) {
16756 if (strstr(message, "whisper") != NULL ||
16757 strstr(message, "kibitz") != NULL ||
16758 strstr(message, "tellics") != NULL) return;
16761 HandleMachineMove(message, cps);
16766 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16771 if( timeControl_2 > 0 ) {
16772 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16773 tc = timeControl_2;
16776 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16777 inc /= cps->timeOdds;
16778 st /= cps->timeOdds;
16780 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16783 /* Set exact time per move, normally using st command */
16784 if (cps->stKludge) {
16785 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16787 if (seconds == 0) {
16788 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16790 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16793 snprintf(buf, MSG_SIZ, "st %d\n", st);
16796 /* Set conventional or incremental time control, using level command */
16797 if (seconds == 0) {
16798 /* Note old gnuchess bug -- minutes:seconds used to not work.
16799 Fixed in later versions, but still avoid :seconds
16800 when seconds is 0. */
16801 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16803 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16804 seconds, inc/1000.);
16807 SendToProgram(buf, cps);
16809 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16810 /* Orthogonally, limit search to given depth */
16812 if (cps->sdKludge) {
16813 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16815 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16817 SendToProgram(buf, cps);
16820 if(cps->nps >= 0) { /* [HGM] nps */
16821 if(cps->supportsNPS == FALSE)
16822 cps->nps = -1; // don't use if engine explicitly says not supported!
16824 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16825 SendToProgram(buf, cps);
16830 ChessProgramState *
16832 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16834 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16835 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16841 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16843 char message[MSG_SIZ];
16846 /* Note: this routine must be called when the clocks are stopped
16847 or when they have *just* been set or switched; otherwise
16848 it will be off by the time since the current tick started.
16850 if (machineWhite) {
16851 time = whiteTimeRemaining / 10;
16852 otime = blackTimeRemaining / 10;
16854 time = blackTimeRemaining / 10;
16855 otime = whiteTimeRemaining / 10;
16857 /* [HGM] translate opponent's time by time-odds factor */
16858 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16860 if (time <= 0) time = 1;
16861 if (otime <= 0) otime = 1;
16863 snprintf(message, MSG_SIZ, "time %ld\n", time);
16864 SendToProgram(message, cps);
16866 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16867 SendToProgram(message, cps);
16871 EngineDefinedVariant (ChessProgramState *cps, int n)
16872 { // return name of n-th unknown variant that engine supports
16873 static char buf[MSG_SIZ];
16874 char *p, *s = cps->variants;
16875 if(!s) return NULL;
16876 do { // parse string from variants feature
16878 p = strchr(s, ',');
16879 if(p) *p = NULLCHAR;
16880 v = StringToVariant(s);
16881 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16882 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16883 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16884 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16885 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16886 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16887 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16890 if(n < 0) return buf;
16896 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16899 int len = strlen(name);
16902 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16904 sscanf(*p, "%d", &val);
16906 while (**p && **p != ' ')
16908 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16909 SendToProgram(buf, cps);
16916 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16919 int len = strlen(name);
16920 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16922 sscanf(*p, "%d", loc);
16923 while (**p && **p != ' ') (*p)++;
16924 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16925 SendToProgram(buf, cps);
16932 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16935 int len = strlen(name);
16936 if (strncmp((*p), name, len) == 0
16937 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16939 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16940 sscanf(*p, "%[^\"]", *loc);
16941 while (**p && **p != '\"') (*p)++;
16942 if (**p == '\"') (*p)++;
16943 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16944 SendToProgram(buf, cps);
16951 ParseOption (Option *opt, ChessProgramState *cps)
16952 // [HGM] options: process the string that defines an engine option, and determine
16953 // name, type, default value, and allowed value range
16955 char *p, *q, buf[MSG_SIZ];
16956 int n, min = (-1)<<31, max = 1<<31, def;
16958 if(p = strstr(opt->name, " -spin ")) {
16959 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16960 if(max < min) max = min; // enforce consistency
16961 if(def < min) def = min;
16962 if(def > max) def = max;
16967 } else if((p = strstr(opt->name, " -slider "))) {
16968 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16969 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16970 if(max < min) max = min; // enforce consistency
16971 if(def < min) def = min;
16972 if(def > max) def = max;
16976 opt->type = Spin; // Slider;
16977 } else if((p = strstr(opt->name, " -string "))) {
16978 opt->textValue = p+9;
16979 opt->type = TextBox;
16980 } else if((p = strstr(opt->name, " -file "))) {
16981 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16982 opt->textValue = p+7;
16983 opt->type = FileName; // FileName;
16984 } else if((p = strstr(opt->name, " -path "))) {
16985 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16986 opt->textValue = p+7;
16987 opt->type = PathName; // PathName;
16988 } else if(p = strstr(opt->name, " -check ")) {
16989 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16990 opt->value = (def != 0);
16991 opt->type = CheckBox;
16992 } else if(p = strstr(opt->name, " -combo ")) {
16993 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16994 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16995 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16996 opt->value = n = 0;
16997 while(q = StrStr(q, " /// ")) {
16998 n++; *q = 0; // count choices, and null-terminate each of them
17000 if(*q == '*') { // remember default, which is marked with * prefix
17004 cps->comboList[cps->comboCnt++] = q;
17006 cps->comboList[cps->comboCnt++] = NULL;
17008 opt->type = ComboBox;
17009 } else if(p = strstr(opt->name, " -button")) {
17010 opt->type = Button;
17011 } else if(p = strstr(opt->name, " -save")) {
17012 opt->type = SaveButton;
17013 } else return FALSE;
17014 *p = 0; // terminate option name
17015 // now look if the command-line options define a setting for this engine option.
17016 if(cps->optionSettings && cps->optionSettings[0])
17017 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17018 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17019 snprintf(buf, MSG_SIZ, "option %s", p);
17020 if(p = strstr(buf, ",")) *p = 0;
17021 if(q = strchr(buf, '=')) switch(opt->type) {
17023 for(n=0; n<opt->max; n++)
17024 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17027 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17031 opt->value = atoi(q+1);
17036 SendToProgram(buf, cps);
17042 FeatureDone (ChessProgramState *cps, int val)
17044 DelayedEventCallback cb = GetDelayedEvent();
17045 if ((cb == InitBackEnd3 && cps == &first) ||
17046 (cb == SettingsMenuIfReady && cps == &second) ||
17047 (cb == LoadEngine) ||
17048 (cb == TwoMachinesEventIfReady)) {
17049 CancelDelayedEvent();
17050 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17052 cps->initDone = val;
17053 if(val) cps->reload = FALSE;
17056 /* Parse feature command from engine */
17058 ParseFeatures (char *args, ChessProgramState *cps)
17066 while (*p == ' ') p++;
17067 if (*p == NULLCHAR) return;
17069 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17070 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17071 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17072 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17073 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17074 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17075 if (BoolFeature(&p, "reuse", &val, cps)) {
17076 /* Engine can disable reuse, but can't enable it if user said no */
17077 if (!val) cps->reuse = FALSE;
17080 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17081 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17082 if (gameMode == TwoMachinesPlay) {
17083 DisplayTwoMachinesTitle();
17089 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17090 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17091 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17092 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17093 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17094 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17095 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17096 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17097 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17098 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17099 if (IntFeature(&p, "done", &val, cps)) {
17100 FeatureDone(cps, val);
17103 /* Added by Tord: */
17104 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17105 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17106 /* End of additions by Tord */
17108 /* [HGM] added features: */
17109 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17110 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17111 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17112 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17113 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17114 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17115 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17116 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17117 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17118 FREE(cps->option[cps->nrOptions].name);
17119 cps->option[cps->nrOptions].name = q; q = NULL;
17120 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17121 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17122 SendToProgram(buf, cps);
17125 if(cps->nrOptions >= MAX_OPTIONS) {
17127 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17128 DisplayError(buf, 0);
17132 /* End of additions by HGM */
17134 /* unknown feature: complain and skip */
17136 while (*q && *q != '=') q++;
17137 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17138 SendToProgram(buf, cps);
17144 while (*p && *p != '\"') p++;
17145 if (*p == '\"') p++;
17147 while (*p && *p != ' ') p++;
17155 PeriodicUpdatesEvent (int newState)
17157 if (newState == appData.periodicUpdates)
17160 appData.periodicUpdates=newState;
17162 /* Display type changes, so update it now */
17163 // DisplayAnalysis();
17165 /* Get the ball rolling again... */
17167 AnalysisPeriodicEvent(1);
17168 StartAnalysisClock();
17173 PonderNextMoveEvent (int newState)
17175 if (newState == appData.ponderNextMove) return;
17176 if (gameMode == EditPosition) EditPositionDone(TRUE);
17178 SendToProgram("hard\n", &first);
17179 if (gameMode == TwoMachinesPlay) {
17180 SendToProgram("hard\n", &second);
17183 SendToProgram("easy\n", &first);
17184 thinkOutput[0] = NULLCHAR;
17185 if (gameMode == TwoMachinesPlay) {
17186 SendToProgram("easy\n", &second);
17189 appData.ponderNextMove = newState;
17193 NewSettingEvent (int option, int *feature, char *command, int value)
17197 if (gameMode == EditPosition) EditPositionDone(TRUE);
17198 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17199 if(feature == NULL || *feature) SendToProgram(buf, &first);
17200 if (gameMode == TwoMachinesPlay) {
17201 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17206 ShowThinkingEvent ()
17207 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17209 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17210 int newState = appData.showThinking
17211 // [HGM] thinking: other features now need thinking output as well
17212 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17214 if (oldState == newState) return;
17215 oldState = newState;
17216 if (gameMode == EditPosition) EditPositionDone(TRUE);
17218 SendToProgram("post\n", &first);
17219 if (gameMode == TwoMachinesPlay) {
17220 SendToProgram("post\n", &second);
17223 SendToProgram("nopost\n", &first);
17224 thinkOutput[0] = NULLCHAR;
17225 if (gameMode == TwoMachinesPlay) {
17226 SendToProgram("nopost\n", &second);
17229 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17233 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17235 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17236 if (pr == NoProc) return;
17237 AskQuestion(title, question, replyPrefix, pr);
17241 TypeInEvent (char firstChar)
17243 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17244 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17245 gameMode == AnalyzeMode || gameMode == EditGame ||
17246 gameMode == EditPosition || gameMode == IcsExamining ||
17247 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17248 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17249 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17250 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17251 gameMode == Training) PopUpMoveDialog(firstChar);
17255 TypeInDoneEvent (char *move)
17258 int n, fromX, fromY, toX, toY;
17260 ChessMove moveType;
17263 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17264 EditPositionPasteFEN(move);
17267 // [HGM] movenum: allow move number to be typed in any mode
17268 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17272 // undocumented kludge: allow command-line option to be typed in!
17273 // (potentially fatal, and does not implement the effect of the option.)
17274 // should only be used for options that are values on which future decisions will be made,
17275 // and definitely not on options that would be used during initialization.
17276 if(strstr(move, "!!! -") == move) {
17277 ParseArgsFromString(move+4);
17281 if (gameMode != EditGame && currentMove != forwardMostMove &&
17282 gameMode != Training) {
17283 DisplayMoveError(_("Displayed move is not current"));
17285 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17286 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17287 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17288 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17289 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17290 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17292 DisplayMoveError(_("Could not parse move"));
17298 DisplayMove (int moveNumber)
17300 char message[MSG_SIZ];
17302 char cpThinkOutput[MSG_SIZ];
17304 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17306 if (moveNumber == forwardMostMove - 1 ||
17307 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17309 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17311 if (strchr(cpThinkOutput, '\n')) {
17312 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17315 *cpThinkOutput = NULLCHAR;
17318 /* [AS] Hide thinking from human user */
17319 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17320 *cpThinkOutput = NULLCHAR;
17321 if( thinkOutput[0] != NULLCHAR ) {
17324 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17325 cpThinkOutput[i] = '.';
17327 cpThinkOutput[i] = NULLCHAR;
17328 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17332 if (moveNumber == forwardMostMove - 1 &&
17333 gameInfo.resultDetails != NULL) {
17334 if (gameInfo.resultDetails[0] == NULLCHAR) {
17335 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17337 snprintf(res, MSG_SIZ, " {%s} %s",
17338 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17344 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17345 DisplayMessage(res, cpThinkOutput);
17347 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17348 WhiteOnMove(moveNumber) ? " " : ".. ",
17349 parseList[moveNumber], res);
17350 DisplayMessage(message, cpThinkOutput);
17355 DisplayComment (int moveNumber, char *text)
17357 char title[MSG_SIZ];
17359 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17360 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17362 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17363 WhiteOnMove(moveNumber) ? " " : ".. ",
17364 parseList[moveNumber]);
17366 if (text != NULL && (appData.autoDisplayComment || commentUp))
17367 CommentPopUp(title, text);
17370 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17371 * might be busy thinking or pondering. It can be omitted if your
17372 * gnuchess is configured to stop thinking immediately on any user
17373 * input. However, that gnuchess feature depends on the FIONREAD
17374 * ioctl, which does not work properly on some flavors of Unix.
17377 Attention (ChessProgramState *cps)
17380 if (!cps->useSigint) return;
17381 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17382 switch (gameMode) {
17383 case MachinePlaysWhite:
17384 case MachinePlaysBlack:
17385 case TwoMachinesPlay:
17386 case IcsPlayingWhite:
17387 case IcsPlayingBlack:
17390 /* Skip if we know it isn't thinking */
17391 if (!cps->maybeThinking) return;
17392 if (appData.debugMode)
17393 fprintf(debugFP, "Interrupting %s\n", cps->which);
17394 InterruptChildProcess(cps->pr);
17395 cps->maybeThinking = FALSE;
17400 #endif /*ATTENTION*/
17406 if (whiteTimeRemaining <= 0) {
17409 if (appData.icsActive) {
17410 if (appData.autoCallFlag &&
17411 gameMode == IcsPlayingBlack && !blackFlag) {
17412 SendToICS(ics_prefix);
17413 SendToICS("flag\n");
17417 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17419 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17420 if (appData.autoCallFlag) {
17421 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17428 if (blackTimeRemaining <= 0) {
17431 if (appData.icsActive) {
17432 if (appData.autoCallFlag &&
17433 gameMode == IcsPlayingWhite && !whiteFlag) {
17434 SendToICS(ics_prefix);
17435 SendToICS("flag\n");
17439 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17441 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17442 if (appData.autoCallFlag) {
17443 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17454 CheckTimeControl ()
17456 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17457 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17460 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17462 if ( !WhiteOnMove(forwardMostMove) ) {
17463 /* White made time control */
17464 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17465 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17466 /* [HGM] time odds: correct new time quota for time odds! */
17467 / WhitePlayer()->timeOdds;
17468 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17470 lastBlack -= blackTimeRemaining;
17471 /* Black made time control */
17472 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17473 / WhitePlayer()->other->timeOdds;
17474 lastWhite = whiteTimeRemaining;
17479 DisplayBothClocks ()
17481 int wom = gameMode == EditPosition ?
17482 !blackPlaysFirst : WhiteOnMove(currentMove);
17483 DisplayWhiteClock(whiteTimeRemaining, wom);
17484 DisplayBlackClock(blackTimeRemaining, !wom);
17488 /* Timekeeping seems to be a portability nightmare. I think everyone
17489 has ftime(), but I'm really not sure, so I'm including some ifdefs
17490 to use other calls if you don't. Clocks will be less accurate if
17491 you have neither ftime nor gettimeofday.
17494 /* VS 2008 requires the #include outside of the function */
17495 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17496 #include <sys/timeb.h>
17499 /* Get the current time as a TimeMark */
17501 GetTimeMark (TimeMark *tm)
17503 #if HAVE_GETTIMEOFDAY
17505 struct timeval timeVal;
17506 struct timezone timeZone;
17508 gettimeofday(&timeVal, &timeZone);
17509 tm->sec = (long) timeVal.tv_sec;
17510 tm->ms = (int) (timeVal.tv_usec / 1000L);
17512 #else /*!HAVE_GETTIMEOFDAY*/
17515 // include <sys/timeb.h> / moved to just above start of function
17516 struct timeb timeB;
17519 tm->sec = (long) timeB.time;
17520 tm->ms = (int) timeB.millitm;
17522 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17523 tm->sec = (long) time(NULL);
17529 /* Return the difference in milliseconds between two
17530 time marks. We assume the difference will fit in a long!
17533 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17535 return 1000L*(tm2->sec - tm1->sec) +
17536 (long) (tm2->ms - tm1->ms);
17541 * Code to manage the game clocks.
17543 * In tournament play, black starts the clock and then white makes a move.
17544 * We give the human user a slight advantage if he is playing white---the
17545 * clocks don't run until he makes his first move, so it takes zero time.
17546 * Also, we don't account for network lag, so we could get out of sync
17547 * with GNU Chess's clock -- but then, referees are always right.
17550 static TimeMark tickStartTM;
17551 static long intendedTickLength;
17554 NextTickLength (long timeRemaining)
17556 long nominalTickLength, nextTickLength;
17558 if (timeRemaining > 0L && timeRemaining <= 10000L)
17559 nominalTickLength = 100L;
17561 nominalTickLength = 1000L;
17562 nextTickLength = timeRemaining % nominalTickLength;
17563 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17565 return nextTickLength;
17568 /* Adjust clock one minute up or down */
17570 AdjustClock (Boolean which, int dir)
17572 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17573 if(which) blackTimeRemaining += 60000*dir;
17574 else whiteTimeRemaining += 60000*dir;
17575 DisplayBothClocks();
17576 adjustedClock = TRUE;
17579 /* Stop clocks and reset to a fresh time control */
17583 (void) StopClockTimer();
17584 if (appData.icsActive) {
17585 whiteTimeRemaining = blackTimeRemaining = 0;
17586 } else if (searchTime) {
17587 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17588 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17589 } else { /* [HGM] correct new time quote for time odds */
17590 whiteTC = blackTC = fullTimeControlString;
17591 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17592 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17594 if (whiteFlag || blackFlag) {
17596 whiteFlag = blackFlag = FALSE;
17598 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17599 DisplayBothClocks();
17600 adjustedClock = FALSE;
17603 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17605 /* Decrement running clock by amount of time that has passed */
17609 long timeRemaining;
17610 long lastTickLength, fudge;
17613 if (!appData.clockMode) return;
17614 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17618 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17620 /* Fudge if we woke up a little too soon */
17621 fudge = intendedTickLength - lastTickLength;
17622 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17624 if (WhiteOnMove(forwardMostMove)) {
17625 if(whiteNPS >= 0) lastTickLength = 0;
17626 timeRemaining = whiteTimeRemaining -= lastTickLength;
17627 if(timeRemaining < 0 && !appData.icsActive) {
17628 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17629 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17630 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17631 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17634 DisplayWhiteClock(whiteTimeRemaining - fudge,
17635 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17637 if(blackNPS >= 0) lastTickLength = 0;
17638 timeRemaining = blackTimeRemaining -= lastTickLength;
17639 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17640 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17642 blackStartMove = forwardMostMove;
17643 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17646 DisplayBlackClock(blackTimeRemaining - fudge,
17647 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17649 if (CheckFlags()) return;
17651 if(twoBoards) { // count down secondary board's clocks as well
17652 activePartnerTime -= lastTickLength;
17654 if(activePartner == 'W')
17655 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17657 DisplayBlackClock(activePartnerTime, TRUE);
17662 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17663 StartClockTimer(intendedTickLength);
17665 /* if the time remaining has fallen below the alarm threshold, sound the
17666 * alarm. if the alarm has sounded and (due to a takeback or time control
17667 * with increment) the time remaining has increased to a level above the
17668 * threshold, reset the alarm so it can sound again.
17671 if (appData.icsActive && appData.icsAlarm) {
17673 /* make sure we are dealing with the user's clock */
17674 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17675 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17678 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17679 alarmSounded = FALSE;
17680 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17682 alarmSounded = TRUE;
17688 /* A player has just moved, so stop the previously running
17689 clock and (if in clock mode) start the other one.
17690 We redisplay both clocks in case we're in ICS mode, because
17691 ICS gives us an update to both clocks after every move.
17692 Note that this routine is called *after* forwardMostMove
17693 is updated, so the last fractional tick must be subtracted
17694 from the color that is *not* on move now.
17697 SwitchClocks (int newMoveNr)
17699 long lastTickLength;
17701 int flagged = FALSE;
17705 if (StopClockTimer() && appData.clockMode) {
17706 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17707 if (!WhiteOnMove(forwardMostMove)) {
17708 if(blackNPS >= 0) lastTickLength = 0;
17709 blackTimeRemaining -= lastTickLength;
17710 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17711 // if(pvInfoList[forwardMostMove].time == -1)
17712 pvInfoList[forwardMostMove].time = // use GUI time
17713 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17715 if(whiteNPS >= 0) lastTickLength = 0;
17716 whiteTimeRemaining -= lastTickLength;
17717 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17718 // if(pvInfoList[forwardMostMove].time == -1)
17719 pvInfoList[forwardMostMove].time =
17720 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17722 flagged = CheckFlags();
17724 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17725 CheckTimeControl();
17727 if (flagged || !appData.clockMode) return;
17729 switch (gameMode) {
17730 case MachinePlaysBlack:
17731 case MachinePlaysWhite:
17732 case BeginningOfGame:
17733 if (pausing) return;
17737 case PlayFromGameFile:
17745 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17746 if(WhiteOnMove(forwardMostMove))
17747 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17748 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17752 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17753 whiteTimeRemaining : blackTimeRemaining);
17754 StartClockTimer(intendedTickLength);
17758 /* Stop both clocks */
17762 long lastTickLength;
17765 if (!StopClockTimer()) return;
17766 if (!appData.clockMode) return;
17770 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17771 if (WhiteOnMove(forwardMostMove)) {
17772 if(whiteNPS >= 0) lastTickLength = 0;
17773 whiteTimeRemaining -= lastTickLength;
17774 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17776 if(blackNPS >= 0) lastTickLength = 0;
17777 blackTimeRemaining -= lastTickLength;
17778 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17783 /* Start clock of player on move. Time may have been reset, so
17784 if clock is already running, stop and restart it. */
17788 (void) StopClockTimer(); /* in case it was running already */
17789 DisplayBothClocks();
17790 if (CheckFlags()) return;
17792 if (!appData.clockMode) return;
17793 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17795 GetTimeMark(&tickStartTM);
17796 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17797 whiteTimeRemaining : blackTimeRemaining);
17799 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17800 whiteNPS = blackNPS = -1;
17801 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17802 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17803 whiteNPS = first.nps;
17804 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17805 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17806 blackNPS = first.nps;
17807 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17808 whiteNPS = second.nps;
17809 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17810 blackNPS = second.nps;
17811 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17813 StartClockTimer(intendedTickLength);
17817 TimeString (long ms)
17819 long second, minute, hour, day;
17821 static char buf[32];
17823 if (ms > 0 && ms <= 9900) {
17824 /* convert milliseconds to tenths, rounding up */
17825 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17827 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17831 /* convert milliseconds to seconds, rounding up */
17832 /* use floating point to avoid strangeness of integer division
17833 with negative dividends on many machines */
17834 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17841 day = second / (60 * 60 * 24);
17842 second = second % (60 * 60 * 24);
17843 hour = second / (60 * 60);
17844 second = second % (60 * 60);
17845 minute = second / 60;
17846 second = second % 60;
17849 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17850 sign, day, hour, minute, second);
17852 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17854 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17861 * This is necessary because some C libraries aren't ANSI C compliant yet.
17864 StrStr (char *string, char *match)
17868 length = strlen(match);
17870 for (i = strlen(string) - length; i >= 0; i--, string++)
17871 if (!strncmp(match, string, length))
17878 StrCaseStr (char *string, char *match)
17882 length = strlen(match);
17884 for (i = strlen(string) - length; i >= 0; i--, string++) {
17885 for (j = 0; j < length; j++) {
17886 if (ToLower(match[j]) != ToLower(string[j]))
17889 if (j == length) return string;
17897 StrCaseCmp (char *s1, char *s2)
17902 c1 = ToLower(*s1++);
17903 c2 = ToLower(*s2++);
17904 if (c1 > c2) return 1;
17905 if (c1 < c2) return -1;
17906 if (c1 == NULLCHAR) return 0;
17914 return isupper(c) ? tolower(c) : c;
17921 return islower(c) ? toupper(c) : c;
17923 #endif /* !_amigados */
17930 if ((ret = (char *) malloc(strlen(s) + 1)))
17932 safeStrCpy(ret, s, strlen(s)+1);
17938 StrSavePtr (char *s, char **savePtr)
17943 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17944 safeStrCpy(*savePtr, s, strlen(s)+1);
17956 clock = time((time_t *)NULL);
17957 tm = localtime(&clock);
17958 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17959 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17960 return StrSave(buf);
17965 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17967 int i, j, fromX, fromY, toX, toY;
17968 int whiteToPlay, haveRights = nrCastlingRights;
17974 whiteToPlay = (gameMode == EditPosition) ?
17975 !blackPlaysFirst : (move % 2 == 0);
17978 /* Piece placement data */
17979 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17980 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17982 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17983 if (boards[move][i][j] == EmptySquare) {
17985 } else { ChessSquare piece = boards[move][i][j];
17986 if (emptycount > 0) {
17987 if(emptycount<10) /* [HGM] can be >= 10 */
17988 *p++ = '0' + emptycount;
17989 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17992 if(PieceToChar(piece) == '+') {
17993 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17995 piece = (ChessSquare)(CHUDEMOTED piece);
17997 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17998 if(*p = PieceSuffix(piece)) p++;
18000 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18001 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
18006 if (emptycount > 0) {
18007 if(emptycount<10) /* [HGM] can be >= 10 */
18008 *p++ = '0' + emptycount;
18009 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18016 /* [HGM] print Crazyhouse or Shogi holdings */
18017 if( gameInfo.holdingsWidth ) {
18018 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18020 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18021 piece = boards[move][i][BOARD_WIDTH-1];
18022 if( piece != EmptySquare )
18023 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18024 *p++ = PieceToChar(piece);
18026 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18027 piece = boards[move][BOARD_HEIGHT-i-1][0];
18028 if( piece != EmptySquare )
18029 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18030 *p++ = PieceToChar(piece);
18033 if( q == p ) *p++ = '-';
18039 *p++ = whiteToPlay ? 'w' : 'b';
18042 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18043 haveRights = 0; q = p;
18044 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18045 piece = boards[move][0][i];
18046 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18047 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18050 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18051 piece = boards[move][BOARD_HEIGHT-1][i];
18052 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18053 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18056 if(p == q) *p++ = '-';
18060 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18061 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18064 int handW=0, handB=0;
18065 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18066 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18067 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18070 if(appData.fischerCastling) {
18071 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18072 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18073 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18075 /* [HGM] write directly from rights */
18076 if(boards[move][CASTLING][2] != NoRights &&
18077 boards[move][CASTLING][0] != NoRights )
18078 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18079 if(boards[move][CASTLING][2] != NoRights &&
18080 boards[move][CASTLING][1] != NoRights )
18081 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18084 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18085 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18087 if(boards[move][CASTLING][5] != NoRights &&
18088 boards[move][CASTLING][3] != NoRights )
18089 *p++ = boards[move][CASTLING][3] + AAA;
18090 if(boards[move][CASTLING][5] != NoRights &&
18091 boards[move][CASTLING][4] != NoRights )
18092 *p++ = boards[move][CASTLING][4] + AAA;
18096 /* [HGM] write true castling rights */
18097 if( nrCastlingRights == 6 ) {
18099 if(boards[move][CASTLING][0] != NoRights &&
18100 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18101 q = (boards[move][CASTLING][1] != NoRights &&
18102 boards[move][CASTLING][2] != NoRights );
18103 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18104 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18105 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18106 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18110 if(boards[move][CASTLING][3] != NoRights &&
18111 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18112 q = (boards[move][CASTLING][4] != NoRights &&
18113 boards[move][CASTLING][5] != NoRights );
18115 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18116 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18117 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18122 if (q == p) *p++ = '-'; /* No castling rights */
18126 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18127 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18128 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18129 /* En passant target square */
18130 if (move > backwardMostMove) {
18131 fromX = moveList[move - 1][0] - AAA;
18132 fromY = moveList[move - 1][1] - ONE;
18133 toX = moveList[move - 1][2] - AAA;
18134 toY = moveList[move - 1][3] - ONE;
18135 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18136 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18137 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18139 /* 2-square pawn move just happened */
18141 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18145 } else if(move == backwardMostMove) {
18146 // [HGM] perhaps we should always do it like this, and forget the above?
18147 if((signed char)boards[move][EP_STATUS] >= 0) {
18148 *p++ = boards[move][EP_STATUS] + AAA;
18149 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18161 { int i = 0, j=move;
18163 /* [HGM] find reversible plies */
18164 if (appData.debugMode) { int k;
18165 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18166 for(k=backwardMostMove; k<=forwardMostMove; k++)
18167 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18171 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18172 if( j == backwardMostMove ) i += initialRulePlies;
18173 sprintf(p, "%d ", i);
18174 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18176 /* Fullmove number */
18177 sprintf(p, "%d", (move / 2) + 1);
18178 } else *--p = NULLCHAR;
18180 return StrSave(buf);
18184 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18186 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18188 int emptycount, virgin[BOARD_FILES];
18189 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18193 /* Piece placement data */
18194 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18197 if (*p == '/' || *p == ' ' || *p == '[' ) {
18199 emptycount = gameInfo.boardWidth - j;
18200 while (emptycount--)
18201 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18202 if (*p == '/') p++;
18203 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18204 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18205 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18207 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18210 #if(BOARD_FILES >= 10)*0
18211 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18212 p++; emptycount=10;
18213 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18214 while (emptycount--)
18215 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18217 } else if (*p == '*') {
18218 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18219 } else if (isdigit(*p)) {
18220 emptycount = *p++ - '0';
18221 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18222 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18223 while (emptycount--)
18224 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18225 } else if (*p == '<') {
18226 if(i == BOARD_HEIGHT-1) shuffle = 1;
18227 else if (i != 0 || !shuffle) return FALSE;
18229 } else if (shuffle && *p == '>') {
18230 p++; // for now ignore closing shuffle range, and assume rank-end
18231 } else if (*p == '?') {
18232 if (j >= gameInfo.boardWidth) return FALSE;
18233 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18234 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18235 } else if (*p == '+' || isalpha(*p)) {
18236 char *q, *s = SUFFIXES;
18237 if (j >= gameInfo.boardWidth) return FALSE;
18240 if(q = strchr(s, p[1])) p++;
18241 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18242 if(piece == EmptySquare) return FALSE; /* unknown piece */
18243 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
18244 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18247 if(q = strchr(s, *p)) p++;
18248 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18251 if(piece==EmptySquare) return FALSE; /* unknown piece */
18252 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18253 piece = (ChessSquare) (PROMOTED piece);
18254 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18257 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18258 if(piece == king) wKingRank = i;
18259 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18265 while (*p == '/' || *p == ' ') p++;
18267 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18269 /* [HGM] by default clear Crazyhouse holdings, if present */
18270 if(gameInfo.holdingsWidth) {
18271 for(i=0; i<BOARD_HEIGHT; i++) {
18272 board[i][0] = EmptySquare; /* black holdings */
18273 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18274 board[i][1] = (ChessSquare) 0; /* black counts */
18275 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18279 /* [HGM] look for Crazyhouse holdings here */
18280 while(*p==' ') p++;
18281 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18282 int swap=0, wcnt=0, bcnt=0;
18284 if(*p == '<') swap++, p++;
18285 if(*p == '-' ) p++; /* empty holdings */ else {
18286 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18287 /* if we would allow FEN reading to set board size, we would */
18288 /* have to add holdings and shift the board read so far here */
18289 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18291 if((int) piece >= (int) BlackPawn ) {
18292 i = (int)piece - (int)BlackPawn;
18293 i = PieceToNumber((ChessSquare)i);
18294 if( i >= gameInfo.holdingsSize ) return FALSE;
18295 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18296 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18299 i = (int)piece - (int)WhitePawn;
18300 i = PieceToNumber((ChessSquare)i);
18301 if( i >= gameInfo.holdingsSize ) return FALSE;
18302 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18303 board[i][BOARD_WIDTH-2]++; /* black holdings */
18307 if(subst) { // substitute back-rank question marks by holdings pieces
18308 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18309 int k, m, n = bcnt + 1;
18310 if(board[0][j] == ClearBoard) {
18311 if(!wcnt) return FALSE;
18313 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18314 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18315 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18319 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18320 if(!bcnt) return FALSE;
18321 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18322 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18323 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18324 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18335 if(subst) return FALSE; // substitution requested, but no holdings
18337 while(*p == ' ') p++;
18341 if(appData.colorNickNames) {
18342 if( c == appData.colorNickNames[0] ) c = 'w'; else
18343 if( c == appData.colorNickNames[1] ) c = 'b';
18347 *blackPlaysFirst = FALSE;
18350 *blackPlaysFirst = TRUE;
18356 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18357 /* return the extra info in global variiables */
18359 while(*p==' ') p++;
18361 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18362 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18363 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18366 /* set defaults in case FEN is incomplete */
18367 board[EP_STATUS] = EP_UNKNOWN;
18368 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18369 for(i=0; i<nrCastlingRights; i++ ) {
18370 board[CASTLING][i] =
18371 appData.fischerCastling ? NoRights : initialRights[i];
18372 } /* assume possible unless obviously impossible */
18373 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18374 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18375 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18376 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18377 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18378 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18379 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18380 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18383 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18386 while(isalpha(*p)) {
18387 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18388 if(islower(*p)) b |= 1 << (*p++ - 'a');
18392 board[TOUCHED_W] = ~w;
18393 board[TOUCHED_B] = ~b;
18394 while(*p == ' ') p++;
18398 if(nrCastlingRights) {
18400 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18401 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18402 /* castling indicator present, so default becomes no castlings */
18403 for(i=0; i<nrCastlingRights; i++ ) {
18404 board[CASTLING][i] = NoRights;
18407 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18408 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18409 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18410 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18411 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18413 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18414 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18415 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18417 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18418 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18419 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18420 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18421 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18422 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18425 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18426 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18427 board[CASTLING][2] = whiteKingFile;
18428 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18429 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18430 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18433 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18434 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18435 board[CASTLING][2] = whiteKingFile;
18436 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18437 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18438 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18441 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18442 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18443 board[CASTLING][5] = blackKingFile;
18444 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18445 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18446 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18449 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18450 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18451 board[CASTLING][5] = blackKingFile;
18452 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18453 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18454 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18457 default: /* FRC castlings */
18458 if(c >= 'a') { /* black rights */
18459 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18460 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18461 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18462 if(i == BOARD_RGHT) break;
18463 board[CASTLING][5] = i;
18465 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18466 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18468 board[CASTLING][3] = c;
18470 board[CASTLING][4] = c;
18471 } else { /* white rights */
18472 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18473 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18474 if(board[0][i] == WhiteKing) break;
18475 if(i == BOARD_RGHT) break;
18476 board[CASTLING][2] = i;
18477 c -= AAA - 'a' + 'A';
18478 if(board[0][c] >= WhiteKing) break;
18480 board[CASTLING][0] = c;
18482 board[CASTLING][1] = c;
18486 for(i=0; i<nrCastlingRights; i++)
18487 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18488 if(gameInfo.variant == VariantSChess)
18489 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18490 if(fischer && shuffle) appData.fischerCastling = TRUE;
18491 if (appData.debugMode) {
18492 fprintf(debugFP, "FEN castling rights:");
18493 for(i=0; i<nrCastlingRights; i++)
18494 fprintf(debugFP, " %d", board[CASTLING][i]);
18495 fprintf(debugFP, "\n");
18498 while(*p==' ') p++;
18501 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18503 /* read e.p. field in games that know e.p. capture */
18504 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18505 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18506 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18508 p++; board[EP_STATUS] = EP_NONE;
18510 char c = *p++ - AAA;
18512 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18513 if(*p >= '0' && *p <='9') p++;
18514 board[EP_STATUS] = c;
18519 if(sscanf(p, "%d", &i) == 1) {
18520 FENrulePlies = i; /* 50-move ply counter */
18521 /* (The move number is still ignored) */
18528 EditPositionPasteFEN (char *fen)
18531 Board initial_position;
18533 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18534 DisplayError(_("Bad FEN position in clipboard"), 0);
18537 int savedBlackPlaysFirst = blackPlaysFirst;
18538 EditPositionEvent();
18539 blackPlaysFirst = savedBlackPlaysFirst;
18540 CopyBoard(boards[0], initial_position);
18541 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18542 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18543 DisplayBothClocks();
18544 DrawPosition(FALSE, boards[currentMove]);
18549 static char cseq[12] = "\\ ";
18552 set_cont_sequence (char *new_seq)
18557 // handle bad attempts to set the sequence
18559 return 0; // acceptable error - no debug
18561 len = strlen(new_seq);
18562 ret = (len > 0) && (len < sizeof(cseq));
18564 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18565 else if (appData.debugMode)
18566 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18571 reformat a source message so words don't cross the width boundary. internal
18572 newlines are not removed. returns the wrapped size (no null character unless
18573 included in source message). If dest is NULL, only calculate the size required
18574 for the dest buffer. lp argument indicats line position upon entry, and it's
18575 passed back upon exit.
18578 wrap (char *dest, char *src, int count, int width, int *lp)
18580 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18582 cseq_len = strlen(cseq);
18583 old_line = line = *lp;
18584 ansi = len = clen = 0;
18586 for (i=0; i < count; i++)
18588 if (src[i] == '\033')
18591 // if we hit the width, back up
18592 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18594 // store i & len in case the word is too long
18595 old_i = i, old_len = len;
18597 // find the end of the last word
18598 while (i && src[i] != ' ' && src[i] != '\n')
18604 // word too long? restore i & len before splitting it
18605 if ((old_i-i+clen) >= width)
18612 if (i && src[i-1] == ' ')
18615 if (src[i] != ' ' && src[i] != '\n')
18622 // now append the newline and continuation sequence
18627 strncpy(dest+len, cseq, cseq_len);
18635 dest[len] = src[i];
18639 if (src[i] == '\n')
18644 if (dest && appData.debugMode)
18646 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18647 count, width, line, len, *lp);
18648 show_bytes(debugFP, src, count);
18649 fprintf(debugFP, "\ndest: ");
18650 show_bytes(debugFP, dest, len);
18651 fprintf(debugFP, "\n");
18653 *lp = dest ? line : old_line;
18658 // [HGM] vari: routines for shelving variations
18659 Boolean modeRestore = FALSE;
18662 PushInner (int firstMove, int lastMove)
18664 int i, j, nrMoves = lastMove - firstMove;
18666 // push current tail of game on stack
18667 savedResult[storedGames] = gameInfo.result;
18668 savedDetails[storedGames] = gameInfo.resultDetails;
18669 gameInfo.resultDetails = NULL;
18670 savedFirst[storedGames] = firstMove;
18671 savedLast [storedGames] = lastMove;
18672 savedFramePtr[storedGames] = framePtr;
18673 framePtr -= nrMoves; // reserve space for the boards
18674 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18675 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18676 for(j=0; j<MOVE_LEN; j++)
18677 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18678 for(j=0; j<2*MOVE_LEN; j++)
18679 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18680 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18681 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18682 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18683 pvInfoList[firstMove+i-1].depth = 0;
18684 commentList[framePtr+i] = commentList[firstMove+i];
18685 commentList[firstMove+i] = NULL;
18689 forwardMostMove = firstMove; // truncate game so we can start variation
18693 PushTail (int firstMove, int lastMove)
18695 if(appData.icsActive) { // only in local mode
18696 forwardMostMove = currentMove; // mimic old ICS behavior
18699 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18701 PushInner(firstMove, lastMove);
18702 if(storedGames == 1) GreyRevert(FALSE);
18703 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18707 PopInner (Boolean annotate)
18710 char buf[8000], moveBuf[20];
18712 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18713 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18714 nrMoves = savedLast[storedGames] - currentMove;
18717 if(!WhiteOnMove(currentMove))
18718 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18719 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18720 for(i=currentMove; i<forwardMostMove; i++) {
18722 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18723 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18724 strcat(buf, moveBuf);
18725 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18726 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18730 for(i=1; i<=nrMoves; i++) { // copy last variation back
18731 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18732 for(j=0; j<MOVE_LEN; j++)
18733 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18734 for(j=0; j<2*MOVE_LEN; j++)
18735 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18736 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18737 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18738 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18739 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18740 commentList[currentMove+i] = commentList[framePtr+i];
18741 commentList[framePtr+i] = NULL;
18743 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18744 framePtr = savedFramePtr[storedGames];
18745 gameInfo.result = savedResult[storedGames];
18746 if(gameInfo.resultDetails != NULL) {
18747 free(gameInfo.resultDetails);
18749 gameInfo.resultDetails = savedDetails[storedGames];
18750 forwardMostMove = currentMove + nrMoves;
18754 PopTail (Boolean annotate)
18756 if(appData.icsActive) return FALSE; // only in local mode
18757 if(!storedGames) return FALSE; // sanity
18758 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18760 PopInner(annotate);
18761 if(currentMove < forwardMostMove) ForwardEvent(); else
18762 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18764 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18770 { // remove all shelved variations
18772 for(i=0; i<storedGames; i++) {
18773 if(savedDetails[i])
18774 free(savedDetails[i]);
18775 savedDetails[i] = NULL;
18777 for(i=framePtr; i<MAX_MOVES; i++) {
18778 if(commentList[i]) free(commentList[i]);
18779 commentList[i] = NULL;
18781 framePtr = MAX_MOVES-1;
18786 LoadVariation (int index, char *text)
18787 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18788 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18789 int level = 0, move;
18791 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18792 // first find outermost bracketing variation
18793 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18794 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18795 if(*p == '{') wait = '}'; else
18796 if(*p == '[') wait = ']'; else
18797 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18798 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18800 if(*p == wait) wait = NULLCHAR; // closing ]} found
18803 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18804 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18805 end[1] = NULLCHAR; // clip off comment beyond variation
18806 ToNrEvent(currentMove-1);
18807 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18808 // kludge: use ParsePV() to append variation to game
18809 move = currentMove;
18810 ParsePV(start, TRUE, TRUE);
18811 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18812 ClearPremoveHighlights();
18814 ToNrEvent(currentMove+1);
18820 char *p, *q, buf[MSG_SIZ];
18821 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18822 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18823 ParseArgsFromString(buf);
18824 ActivateTheme(TRUE); // also redo colors
18828 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18831 q = appData.themeNames;
18832 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18833 if(appData.useBitmaps) {
18834 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18835 appData.liteBackTextureFile, appData.darkBackTextureFile,
18836 appData.liteBackTextureMode,
18837 appData.darkBackTextureMode );
18839 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18840 Col2Text(2), // lightSquareColor
18841 Col2Text(3) ); // darkSquareColor
18843 if(appData.useBorder) {
18844 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18847 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18849 if(appData.useFont) {
18850 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18851 appData.renderPiecesWithFont,
18852 appData.fontToPieceTable,
18853 Col2Text(9), // appData.fontBackColorWhite
18854 Col2Text(10) ); // appData.fontForeColorBlack
18856 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18857 appData.pieceDirectory);
18858 if(!appData.pieceDirectory[0])
18859 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18860 Col2Text(0), // whitePieceColor
18861 Col2Text(1) ); // blackPieceColor
18863 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18864 Col2Text(4), // highlightSquareColor
18865 Col2Text(5) ); // premoveHighlightColor
18866 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18867 if(insert != q) insert[-1] = NULLCHAR;
18868 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18871 ActivateTheme(FALSE);