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 ? 22 : 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 >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
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 /* Code added by Tord: */
10151 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10152 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10153 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10154 board[EP_STATUS] = EP_NONE; // capture was fake!
10155 board[fromY][fromX] = EmptySquare;
10156 board[toY][toX] = EmptySquare;
10157 if((toX > fromX) != (piece == WhiteRook)) {
10158 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10160 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10162 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10163 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10164 board[EP_STATUS] = EP_NONE;
10165 board[fromY][fromX] = EmptySquare;
10166 board[toY][toX] = EmptySquare;
10167 if((toX > fromX) != (piece == BlackRook)) {
10168 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10170 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10172 /* End of code added by Tord */
10174 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10175 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10176 board[toY][toX] = piece;
10177 } else if (board[fromY][fromX] == king
10178 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10179 && toY == fromY && toX > fromX+1) {
10180 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10181 board[fromY][toX-1] = board[fromY][rookX];
10182 board[fromY][rookX] = EmptySquare;
10183 board[fromY][fromX] = EmptySquare;
10184 board[toY][toX] = king;
10185 } else if (board[fromY][fromX] == king
10186 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10187 && toY == fromY && toX < fromX-1) {
10188 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10189 board[fromY][toX+1] = board[fromY][rookX];
10190 board[fromY][rookX] = EmptySquare;
10191 board[fromY][fromX] = EmptySquare;
10192 board[toY][toX] = king;
10193 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10194 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10195 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10197 /* white pawn promotion */
10198 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10199 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10200 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10201 board[fromY][fromX] = EmptySquare;
10202 } else if ((fromY >= BOARD_HEIGHT>>1)
10203 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10205 && gameInfo.variant != VariantXiangqi
10206 && gameInfo.variant != VariantBerolina
10207 && (pawn == WhitePawn)
10208 && (board[toY][toX] == EmptySquare)) {
10209 board[fromY][fromX] = EmptySquare;
10210 board[toY][toX] = piece;
10211 if(toY == epRank - 128 + 1)
10212 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10214 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10215 } else if ((fromY == BOARD_HEIGHT-4)
10217 && gameInfo.variant == VariantBerolina
10218 && (board[fromY][fromX] == WhitePawn)
10219 && (board[toY][toX] == EmptySquare)) {
10220 board[fromY][fromX] = EmptySquare;
10221 board[toY][toX] = WhitePawn;
10222 if(oldEP & EP_BEROLIN_A) {
10223 captured = board[fromY][fromX-1];
10224 board[fromY][fromX-1] = EmptySquare;
10225 }else{ captured = board[fromY][fromX+1];
10226 board[fromY][fromX+1] = EmptySquare;
10228 } else if (board[fromY][fromX] == king
10229 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10230 && toY == fromY && toX > fromX+1) {
10231 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10232 board[fromY][toX-1] = board[fromY][rookX];
10233 board[fromY][rookX] = EmptySquare;
10234 board[fromY][fromX] = EmptySquare;
10235 board[toY][toX] = king;
10236 } else if (board[fromY][fromX] == king
10237 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10238 && toY == fromY && toX < fromX-1) {
10239 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10240 board[fromY][toX+1] = board[fromY][rookX];
10241 board[fromY][rookX] = EmptySquare;
10242 board[fromY][fromX] = EmptySquare;
10243 board[toY][toX] = king;
10244 } else if (fromY == 7 && fromX == 3
10245 && board[fromY][fromX] == BlackKing
10246 && toY == 7 && toX == 5) {
10247 board[fromY][fromX] = EmptySquare;
10248 board[toY][toX] = BlackKing;
10249 board[fromY][7] = EmptySquare;
10250 board[toY][4] = BlackRook;
10251 } else if (fromY == 7 && fromX == 3
10252 && board[fromY][fromX] == BlackKing
10253 && toY == 7 && toX == 1) {
10254 board[fromY][fromX] = EmptySquare;
10255 board[toY][toX] = BlackKing;
10256 board[fromY][0] = EmptySquare;
10257 board[toY][2] = BlackRook;
10258 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10259 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10260 && toY < promoRank && promoChar
10262 /* black pawn promotion */
10263 board[toY][toX] = CharToPiece(ToLower(promoChar));
10264 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10265 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10266 board[fromY][fromX] = EmptySquare;
10267 } else if ((fromY < BOARD_HEIGHT>>1)
10268 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10270 && gameInfo.variant != VariantXiangqi
10271 && gameInfo.variant != VariantBerolina
10272 && (pawn == BlackPawn)
10273 && (board[toY][toX] == EmptySquare)) {
10274 board[fromY][fromX] = EmptySquare;
10275 board[toY][toX] = piece;
10276 if(toY == epRank - 128 - 1)
10277 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10279 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10280 } else if ((fromY == 3)
10282 && gameInfo.variant == VariantBerolina
10283 && (board[fromY][fromX] == BlackPawn)
10284 && (board[toY][toX] == EmptySquare)) {
10285 board[fromY][fromX] = EmptySquare;
10286 board[toY][toX] = BlackPawn;
10287 if(oldEP & EP_BEROLIN_A) {
10288 captured = board[fromY][fromX-1];
10289 board[fromY][fromX-1] = EmptySquare;
10290 }else{ captured = board[fromY][fromX+1];
10291 board[fromY][fromX+1] = EmptySquare;
10294 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10295 board[fromY][fromX] = EmptySquare;
10296 board[toY][toX] = piece;
10300 if (gameInfo.holdingsWidth != 0) {
10302 /* !!A lot more code needs to be written to support holdings */
10303 /* [HGM] OK, so I have written it. Holdings are stored in the */
10304 /* penultimate board files, so they are automaticlly stored */
10305 /* in the game history. */
10306 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10307 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10308 /* Delete from holdings, by decreasing count */
10309 /* and erasing image if necessary */
10310 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10311 if(p < (int) BlackPawn) { /* white drop */
10312 p -= (int)WhitePawn;
10313 p = PieceToNumber((ChessSquare)p);
10314 if(p >= gameInfo.holdingsSize) p = 0;
10315 if(--board[p][BOARD_WIDTH-2] <= 0)
10316 board[p][BOARD_WIDTH-1] = EmptySquare;
10317 if((int)board[p][BOARD_WIDTH-2] < 0)
10318 board[p][BOARD_WIDTH-2] = 0;
10319 } else { /* black drop */
10320 p -= (int)BlackPawn;
10321 p = PieceToNumber((ChessSquare)p);
10322 if(p >= gameInfo.holdingsSize) p = 0;
10323 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10324 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10325 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10326 board[BOARD_HEIGHT-1-p][1] = 0;
10329 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10330 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10331 /* [HGM] holdings: Add to holdings, if holdings exist */
10332 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10333 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10334 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10336 p = (int) captured;
10337 if (p >= (int) BlackPawn) {
10338 p -= (int)BlackPawn;
10339 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10340 /* Restore shogi-promoted piece to its original first */
10341 captured = (ChessSquare) (DEMOTED captured);
10344 p = PieceToNumber((ChessSquare)p);
10345 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10346 board[p][BOARD_WIDTH-2]++;
10347 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10349 p -= (int)WhitePawn;
10350 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10351 captured = (ChessSquare) (DEMOTED captured);
10354 p = PieceToNumber((ChessSquare)p);
10355 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10356 board[BOARD_HEIGHT-1-p][1]++;
10357 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10360 } else if (gameInfo.variant == VariantAtomic) {
10361 if (captured != EmptySquare) {
10363 for (y = toY-1; y <= toY+1; y++) {
10364 for (x = toX-1; x <= toX+1; x++) {
10365 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10366 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10367 board[y][x] = EmptySquare;
10371 board[toY][toX] = EmptySquare;
10375 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10376 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10378 if(promoChar == '+') {
10379 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10380 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10381 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10382 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10383 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10384 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10385 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10386 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10387 board[toY][toX] = newPiece;
10389 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10390 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10391 // [HGM] superchess: take promotion piece out of holdings
10392 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10393 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10394 if(!--board[k][BOARD_WIDTH-2])
10395 board[k][BOARD_WIDTH-1] = EmptySquare;
10397 if(!--board[BOARD_HEIGHT-1-k][1])
10398 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10403 /* Updates forwardMostMove */
10405 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10407 int x = toX, y = toY;
10408 char *s = parseList[forwardMostMove];
10409 ChessSquare p = boards[forwardMostMove][toY][toX];
10410 // forwardMostMove++; // [HGM] bare: moved downstream
10412 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10413 (void) CoordsToAlgebraic(boards[forwardMostMove],
10414 PosFlags(forwardMostMove),
10415 fromY, fromX, y, x, promoChar,
10417 if(killX >= 0 && killY >= 0)
10418 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10420 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10421 int timeLeft; static int lastLoadFlag=0; int king, piece;
10422 piece = boards[forwardMostMove][fromY][fromX];
10423 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10424 if(gameInfo.variant == VariantKnightmate)
10425 king += (int) WhiteUnicorn - (int) WhiteKing;
10426 if(forwardMostMove == 0) {
10427 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10428 fprintf(serverMoves, "%s;", UserName());
10429 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10430 fprintf(serverMoves, "%s;", second.tidy);
10431 fprintf(serverMoves, "%s;", first.tidy);
10432 if(gameMode == MachinePlaysWhite)
10433 fprintf(serverMoves, "%s;", UserName());
10434 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10435 fprintf(serverMoves, "%s;", second.tidy);
10436 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10437 lastLoadFlag = loadFlag;
10439 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10440 // print castling suffix
10441 if( toY == fromY && piece == king ) {
10443 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10445 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10448 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10449 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10450 boards[forwardMostMove][toY][toX] == EmptySquare
10451 && fromX != toX && fromY != toY)
10452 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10453 // promotion suffix
10454 if(promoChar != NULLCHAR) {
10455 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10456 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10457 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10458 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10461 char buf[MOVE_LEN*2], *p; int len;
10462 fprintf(serverMoves, "/%d/%d",
10463 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10464 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10465 else timeLeft = blackTimeRemaining/1000;
10466 fprintf(serverMoves, "/%d", timeLeft);
10467 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10468 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10469 if(p = strchr(buf, '=')) *p = NULLCHAR;
10470 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10471 fprintf(serverMoves, "/%s", buf);
10473 fflush(serverMoves);
10476 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10477 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10480 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10481 if (commentList[forwardMostMove+1] != NULL) {
10482 free(commentList[forwardMostMove+1]);
10483 commentList[forwardMostMove+1] = NULL;
10485 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10486 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10487 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10488 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10489 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10490 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10491 adjustedClock = FALSE;
10492 gameInfo.result = GameUnfinished;
10493 if (gameInfo.resultDetails != NULL) {
10494 free(gameInfo.resultDetails);
10495 gameInfo.resultDetails = NULL;
10497 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10498 moveList[forwardMostMove - 1]);
10499 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10505 if(!IS_SHOGI(gameInfo.variant))
10506 strcat(parseList[forwardMostMove - 1], "+");
10510 strcat(parseList[forwardMostMove - 1], "#");
10515 /* Updates currentMove if not pausing */
10517 ShowMove (int fromX, int fromY, int toX, int toY)
10519 int instant = (gameMode == PlayFromGameFile) ?
10520 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10521 if(appData.noGUI) return;
10522 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10524 if (forwardMostMove == currentMove + 1) {
10525 AnimateMove(boards[forwardMostMove - 1],
10526 fromX, fromY, toX, toY);
10529 currentMove = forwardMostMove;
10532 killX = killY = -1; // [HGM] lion: used up
10534 if (instant) return;
10536 DisplayMove(currentMove - 1);
10537 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10538 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10539 SetHighlights(fromX, fromY, toX, toY);
10542 DrawPosition(FALSE, boards[currentMove]);
10543 DisplayBothClocks();
10544 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10548 SendEgtPath (ChessProgramState *cps)
10549 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10550 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10552 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10555 char c, *q = name+1, *r, *s;
10557 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10558 while(*p && *p != ',') *q++ = *p++;
10559 *q++ = ':'; *q = 0;
10560 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10561 strcmp(name, ",nalimov:") == 0 ) {
10562 // take nalimov path from the menu-changeable option first, if it is defined
10563 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10564 SendToProgram(buf,cps); // send egtbpath command for nalimov
10566 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10567 (s = StrStr(appData.egtFormats, name)) != NULL) {
10568 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10569 s = r = StrStr(s, ":") + 1; // beginning of path info
10570 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10571 c = *r; *r = 0; // temporarily null-terminate path info
10572 *--q = 0; // strip of trailig ':' from name
10573 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10575 SendToProgram(buf,cps); // send egtbpath command for this format
10577 if(*p == ',') p++; // read away comma to position for next format name
10582 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10584 int width = 8, height = 8, holdings = 0; // most common sizes
10585 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10586 // correct the deviations default for each variant
10587 if( v == VariantXiangqi ) width = 9, height = 10;
10588 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10589 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10590 if( v == VariantCapablanca || v == VariantCapaRandom ||
10591 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10593 if( v == VariantCourier ) width = 12;
10594 if( v == VariantSuper ) holdings = 8;
10595 if( v == VariantGreat ) width = 10, holdings = 8;
10596 if( v == VariantSChess ) holdings = 7;
10597 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10598 if( v == VariantChuChess) width = 10, height = 10;
10599 if( v == VariantChu ) width = 12, height = 12;
10600 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10601 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10602 holdingsSize >= 0 && holdingsSize != holdings;
10605 char variantError[MSG_SIZ];
10608 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10609 { // returns error message (recognizable by upper-case) if engine does not support the variant
10610 char *p, *variant = VariantName(v);
10611 static char b[MSG_SIZ];
10612 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10613 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10614 holdingsSize, variant); // cook up sized variant name
10615 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10616 if(StrStr(list, b) == NULL) {
10617 // specific sized variant not known, check if general sizing allowed
10618 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10619 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10620 boardWidth, boardHeight, holdingsSize, engine);
10623 /* [HGM] here we really should compare with the maximum supported board size */
10625 } else snprintf(b, MSG_SIZ,"%s", variant);
10626 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10627 p = StrStr(list, b);
10628 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10630 // occurs not at all in list, or only as sub-string
10631 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10632 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10633 int l = strlen(variantError);
10635 while(p != list && p[-1] != ',') p--;
10636 q = strchr(p, ',');
10637 if(q) *q = NULLCHAR;
10638 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10647 InitChessProgram (ChessProgramState *cps, int setup)
10648 /* setup needed to setup FRC opening position */
10650 char buf[MSG_SIZ], *b;
10651 if (appData.noChessProgram) return;
10652 hintRequested = FALSE;
10653 bookRequested = FALSE;
10655 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10656 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10657 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10658 if(cps->memSize) { /* [HGM] memory */
10659 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10660 SendToProgram(buf, cps);
10662 SendEgtPath(cps); /* [HGM] EGT */
10663 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10664 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10665 SendToProgram(buf, cps);
10668 setboardSpoiledMachineBlack = FALSE;
10669 SendToProgram(cps->initString, cps);
10670 if (gameInfo.variant != VariantNormal &&
10671 gameInfo.variant != VariantLoadable
10672 /* [HGM] also send variant if board size non-standard */
10673 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10675 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10676 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10679 char c, *q = cps->variants, *p = strchr(q, ',');
10680 if(p) *p = NULLCHAR;
10681 v = StringToVariant(q);
10682 DisplayError(variantError, 0);
10683 if(v != VariantUnknown && cps == &first) {
10685 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10686 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10687 ASSIGN(appData.variant, q);
10688 Reset(TRUE, FALSE);
10694 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10695 SendToProgram(buf, cps);
10697 currentlyInitializedVariant = gameInfo.variant;
10699 /* [HGM] send opening position in FRC to first engine */
10701 SendToProgram("force\n", cps);
10703 /* engine is now in force mode! Set flag to wake it up after first move. */
10704 setboardSpoiledMachineBlack = 1;
10707 if (cps->sendICS) {
10708 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10709 SendToProgram(buf, cps);
10711 cps->maybeThinking = FALSE;
10712 cps->offeredDraw = 0;
10713 if (!appData.icsActive) {
10714 SendTimeControl(cps, movesPerSession, timeControl,
10715 timeIncrement, appData.searchDepth,
10718 if (appData.showThinking
10719 // [HGM] thinking: four options require thinking output to be sent
10720 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10722 SendToProgram("post\n", cps);
10724 SendToProgram("hard\n", cps);
10725 if (!appData.ponderNextMove) {
10726 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10727 it without being sure what state we are in first. "hard"
10728 is not a toggle, so that one is OK.
10730 SendToProgram("easy\n", cps);
10732 if (cps->usePing) {
10733 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10734 SendToProgram(buf, cps);
10736 cps->initDone = TRUE;
10737 ClearEngineOutputPane(cps == &second);
10742 ResendOptions (ChessProgramState *cps)
10743 { // send the stored value of the options
10746 Option *opt = cps->option;
10747 for(i=0; i<cps->nrOptions; i++, opt++) {
10748 switch(opt->type) {
10752 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10755 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10758 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10764 SendToProgram(buf, cps);
10769 StartChessProgram (ChessProgramState *cps)
10774 if (appData.noChessProgram) return;
10775 cps->initDone = FALSE;
10777 if (strcmp(cps->host, "localhost") == 0) {
10778 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10779 } else if (*appData.remoteShell == NULLCHAR) {
10780 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10782 if (*appData.remoteUser == NULLCHAR) {
10783 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10786 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10787 cps->host, appData.remoteUser, cps->program);
10789 err = StartChildProcess(buf, "", &cps->pr);
10793 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10794 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10795 if(cps != &first) return;
10796 appData.noChessProgram = TRUE;
10799 // DisplayFatalError(buf, err, 1);
10800 // cps->pr = NoProc;
10801 // cps->isr = NULL;
10805 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10806 if (cps->protocolVersion > 1) {
10807 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10808 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10809 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10810 cps->comboCnt = 0; // and values of combo boxes
10812 SendToProgram(buf, cps);
10813 if(cps->reload) ResendOptions(cps);
10815 SendToProgram("xboard\n", cps);
10820 TwoMachinesEventIfReady P((void))
10822 static int curMess = 0;
10823 if (first.lastPing != first.lastPong) {
10824 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10825 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10828 if (second.lastPing != second.lastPong) {
10829 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10830 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10833 DisplayMessage("", ""); curMess = 0;
10834 TwoMachinesEvent();
10838 MakeName (char *template)
10842 static char buf[MSG_SIZ];
10846 clock = time((time_t *)NULL);
10847 tm = localtime(&clock);
10849 while(*p++ = *template++) if(p[-1] == '%') {
10850 switch(*template++) {
10851 case 0: *p = 0; return buf;
10852 case 'Y': i = tm->tm_year+1900; break;
10853 case 'y': i = tm->tm_year-100; break;
10854 case 'M': i = tm->tm_mon+1; break;
10855 case 'd': i = tm->tm_mday; break;
10856 case 'h': i = tm->tm_hour; break;
10857 case 'm': i = tm->tm_min; break;
10858 case 's': i = tm->tm_sec; break;
10861 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10867 CountPlayers (char *p)
10870 while(p = strchr(p, '\n')) p++, n++; // count participants
10875 WriteTourneyFile (char *results, FILE *f)
10876 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10877 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10878 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10879 // create a file with tournament description
10880 fprintf(f, "-participants {%s}\n", appData.participants);
10881 fprintf(f, "-seedBase %d\n", appData.seedBase);
10882 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10883 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10884 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10885 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10886 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10887 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10888 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10889 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10890 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10891 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10892 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10893 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10894 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10895 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10896 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10897 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10898 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10899 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10900 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10901 fprintf(f, "-smpCores %d\n", appData.smpCores);
10903 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10905 fprintf(f, "-mps %d\n", appData.movesPerSession);
10906 fprintf(f, "-tc %s\n", appData.timeControl);
10907 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10909 fprintf(f, "-results \"%s\"\n", results);
10914 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10917 Substitute (char *participants, int expunge)
10919 int i, changed, changes=0, nPlayers=0;
10920 char *p, *q, *r, buf[MSG_SIZ];
10921 if(participants == NULL) return;
10922 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10923 r = p = participants; q = appData.participants;
10924 while(*p && *p == *q) {
10925 if(*p == '\n') r = p+1, nPlayers++;
10928 if(*p) { // difference
10929 while(*p && *p++ != '\n');
10930 while(*q && *q++ != '\n');
10931 changed = nPlayers;
10932 changes = 1 + (strcmp(p, q) != 0);
10934 if(changes == 1) { // a single engine mnemonic was changed
10935 q = r; while(*q) nPlayers += (*q++ == '\n');
10936 p = buf; while(*r && (*p = *r++) != '\n') p++;
10938 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10939 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10940 if(mnemonic[i]) { // The substitute is valid
10942 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10943 flock(fileno(f), LOCK_EX);
10944 ParseArgsFromFile(f);
10945 fseek(f, 0, SEEK_SET);
10946 FREE(appData.participants); appData.participants = participants;
10947 if(expunge) { // erase results of replaced engine
10948 int len = strlen(appData.results), w, b, dummy;
10949 for(i=0; i<len; i++) {
10950 Pairing(i, nPlayers, &w, &b, &dummy);
10951 if((w == changed || b == changed) && appData.results[i] == '*') {
10952 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10957 for(i=0; i<len; i++) {
10958 Pairing(i, nPlayers, &w, &b, &dummy);
10959 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10962 WriteTourneyFile(appData.results, f);
10963 fclose(f); // release lock
10966 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10968 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10969 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10970 free(participants);
10975 CheckPlayers (char *participants)
10978 char buf[MSG_SIZ], *p;
10979 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10980 while(p = strchr(participants, '\n')) {
10982 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10984 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10986 DisplayError(buf, 0);
10990 participants = p + 1;
10996 CreateTourney (char *name)
10999 if(matchMode && strcmp(name, appData.tourneyFile)) {
11000 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11002 if(name[0] == NULLCHAR) {
11003 if(appData.participants[0])
11004 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11007 f = fopen(name, "r");
11008 if(f) { // file exists
11009 ASSIGN(appData.tourneyFile, name);
11010 ParseArgsFromFile(f); // parse it
11012 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11013 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11014 DisplayError(_("Not enough participants"), 0);
11017 if(CheckPlayers(appData.participants)) return 0;
11018 ASSIGN(appData.tourneyFile, name);
11019 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11020 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11023 appData.noChessProgram = FALSE;
11024 appData.clockMode = TRUE;
11030 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11032 char buf[MSG_SIZ], *p, *q;
11033 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11034 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11035 skip = !all && group[0]; // if group requested, we start in skip mode
11036 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11037 p = names; q = buf; header = 0;
11038 while(*p && *p != '\n') *q++ = *p++;
11040 if(*p == '\n') p++;
11041 if(buf[0] == '#') {
11042 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11043 depth++; // we must be entering a new group
11044 if(all) continue; // suppress printing group headers when complete list requested
11046 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11048 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11049 if(engineList[i]) free(engineList[i]);
11050 engineList[i] = strdup(buf);
11051 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11052 if(engineMnemonic[i]) free(engineMnemonic[i]);
11053 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11055 sscanf(q + 8, "%s", buf + strlen(buf));
11058 engineMnemonic[i] = strdup(buf);
11061 engineList[i] = engineMnemonic[i] = NULL;
11065 // following implemented as macro to avoid type limitations
11066 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11069 SwapEngines (int n)
11070 { // swap settings for first engine and other engine (so far only some selected options)
11075 SWAP(chessProgram, p)
11077 SWAP(hasOwnBookUCI, h)
11078 SWAP(protocolVersion, h)
11080 SWAP(scoreIsAbsolute, h)
11085 SWAP(engOptions, p)
11086 SWAP(engInitString, p)
11087 SWAP(computerString, p)
11089 SWAP(fenOverride, p)
11091 SWAP(accumulateTC, h)
11098 GetEngineLine (char *s, int n)
11102 extern char *icsNames;
11103 if(!s || !*s) return 0;
11104 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11105 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11106 if(!mnemonic[i]) return 0;
11107 if(n == 11) return 1; // just testing if there was a match
11108 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11109 if(n == 1) SwapEngines(n);
11110 ParseArgsFromString(buf);
11111 if(n == 1) SwapEngines(n);
11112 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11113 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11114 ParseArgsFromString(buf);
11120 SetPlayer (int player, char *p)
11121 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11123 char buf[MSG_SIZ], *engineName;
11124 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11125 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11126 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11128 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11129 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11130 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11131 ParseArgsFromString(buf);
11132 } else { // no engine with this nickname is installed!
11133 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11134 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11135 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11137 DisplayError(buf, 0);
11144 char *recentEngines;
11147 RecentEngineEvent (int nr)
11150 // SwapEngines(1); // bump first to second
11151 // ReplaceEngine(&second, 1); // and load it there
11152 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11153 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11154 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11155 ReplaceEngine(&first, 0);
11156 FloatToFront(&appData.recentEngineList, command[n]);
11161 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11162 { // determine players from game number
11163 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11165 if(appData.tourneyType == 0) {
11166 roundsPerCycle = (nPlayers - 1) | 1;
11167 pairingsPerRound = nPlayers / 2;
11168 } else if(appData.tourneyType > 0) {
11169 roundsPerCycle = nPlayers - appData.tourneyType;
11170 pairingsPerRound = appData.tourneyType;
11172 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11173 gamesPerCycle = gamesPerRound * roundsPerCycle;
11174 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11175 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11176 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11177 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11178 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11179 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11181 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11182 if(appData.roundSync) *syncInterval = gamesPerRound;
11184 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11186 if(appData.tourneyType == 0) {
11187 if(curPairing == (nPlayers-1)/2 ) {
11188 *whitePlayer = curRound;
11189 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11191 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11192 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11193 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11194 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11196 } else if(appData.tourneyType > 1) {
11197 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11198 *whitePlayer = curRound + appData.tourneyType;
11199 } else if(appData.tourneyType > 0) {
11200 *whitePlayer = curPairing;
11201 *blackPlayer = curRound + appData.tourneyType;
11204 // take care of white/black alternation per round.
11205 // For cycles and games this is already taken care of by default, derived from matchGame!
11206 return curRound & 1;
11210 NextTourneyGame (int nr, int *swapColors)
11211 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11213 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11215 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11216 tf = fopen(appData.tourneyFile, "r");
11217 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11218 ParseArgsFromFile(tf); fclose(tf);
11219 InitTimeControls(); // TC might be altered from tourney file
11221 nPlayers = CountPlayers(appData.participants); // count participants
11222 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11223 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11226 p = q = appData.results;
11227 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11228 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11229 DisplayMessage(_("Waiting for other game(s)"),"");
11230 waitingForGame = TRUE;
11231 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11234 waitingForGame = FALSE;
11237 if(appData.tourneyType < 0) {
11238 if(nr>=0 && !pairingReceived) {
11240 if(pairing.pr == NoProc) {
11241 if(!appData.pairingEngine[0]) {
11242 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11245 StartChessProgram(&pairing); // starts the pairing engine
11247 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11248 SendToProgram(buf, &pairing);
11249 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11250 SendToProgram(buf, &pairing);
11251 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11253 pairingReceived = 0; // ... so we continue here
11255 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11256 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11257 matchGame = 1; roundNr = nr / syncInterval + 1;
11260 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11262 // redefine engines, engine dir, etc.
11263 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11264 if(first.pr == NoProc) {
11265 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11266 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11268 if(second.pr == NoProc) {
11270 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11271 SwapEngines(1); // and make that valid for second engine by swapping
11272 InitEngine(&second, 1);
11274 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11275 UpdateLogos(FALSE); // leave display to ModeHiglight()
11281 { // performs game initialization that does not invoke engines, and then tries to start the game
11282 int res, firstWhite, swapColors = 0;
11283 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11284 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
11286 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11287 if(strcmp(buf, currentDebugFile)) { // name has changed
11288 FILE *f = fopen(buf, "w");
11289 if(f) { // if opening the new file failed, just keep using the old one
11290 ASSIGN(currentDebugFile, buf);
11294 if(appData.serverFileName) {
11295 if(serverFP) fclose(serverFP);
11296 serverFP = fopen(appData.serverFileName, "w");
11297 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11298 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11302 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11303 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11304 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11305 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11306 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11307 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11308 Reset(FALSE, first.pr != NoProc);
11309 res = LoadGameOrPosition(matchGame); // setup game
11310 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11311 if(!res) return; // abort when bad game/pos file
11312 TwoMachinesEvent();
11316 UserAdjudicationEvent (int result)
11318 ChessMove gameResult = GameIsDrawn;
11321 gameResult = WhiteWins;
11323 else if( result < 0 ) {
11324 gameResult = BlackWins;
11327 if( gameMode == TwoMachinesPlay ) {
11328 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11333 // [HGM] save: calculate checksum of game to make games easily identifiable
11335 StringCheckSum (char *s)
11338 if(s==NULL) return 0;
11339 while(*s) i = i*259 + *s++;
11347 for(i=backwardMostMove; i<forwardMostMove; i++) {
11348 sum += pvInfoList[i].depth;
11349 sum += StringCheckSum(parseList[i]);
11350 sum += StringCheckSum(commentList[i]);
11353 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11354 return sum + StringCheckSum(commentList[i]);
11355 } // end of save patch
11358 GameEnds (ChessMove result, char *resultDetails, int whosays)
11360 GameMode nextGameMode;
11362 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11364 if(endingGame) return; /* [HGM] crash: forbid recursion */
11366 if(twoBoards) { // [HGM] dual: switch back to one board
11367 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11368 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11370 if (appData.debugMode) {
11371 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11372 result, resultDetails ? resultDetails : "(null)", whosays);
11375 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11377 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11379 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11380 /* If we are playing on ICS, the server decides when the
11381 game is over, but the engine can offer to draw, claim
11385 if (appData.zippyPlay && first.initDone) {
11386 if (result == GameIsDrawn) {
11387 /* In case draw still needs to be claimed */
11388 SendToICS(ics_prefix);
11389 SendToICS("draw\n");
11390 } else if (StrCaseStr(resultDetails, "resign")) {
11391 SendToICS(ics_prefix);
11392 SendToICS("resign\n");
11396 endingGame = 0; /* [HGM] crash */
11400 /* If we're loading the game from a file, stop */
11401 if (whosays == GE_FILE) {
11402 (void) StopLoadGameTimer();
11406 /* Cancel draw offers */
11407 first.offeredDraw = second.offeredDraw = 0;
11409 /* If this is an ICS game, only ICS can really say it's done;
11410 if not, anyone can. */
11411 isIcsGame = (gameMode == IcsPlayingWhite ||
11412 gameMode == IcsPlayingBlack ||
11413 gameMode == IcsObserving ||
11414 gameMode == IcsExamining);
11416 if (!isIcsGame || whosays == GE_ICS) {
11417 /* OK -- not an ICS game, or ICS said it was done */
11419 if (!isIcsGame && !appData.noChessProgram)
11420 SetUserThinkingEnables();
11422 /* [HGM] if a machine claims the game end we verify this claim */
11423 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11424 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11426 ChessMove trueResult = (ChessMove) -1;
11428 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11429 first.twoMachinesColor[0] :
11430 second.twoMachinesColor[0] ;
11432 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11433 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11434 /* [HGM] verify: engine mate claims accepted if they were flagged */
11435 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11437 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11438 /* [HGM] verify: engine mate claims accepted if they were flagged */
11439 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11441 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11442 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11445 // now verify win claims, but not in drop games, as we don't understand those yet
11446 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11447 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11448 (result == WhiteWins && claimer == 'w' ||
11449 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11450 if (appData.debugMode) {
11451 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11452 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11454 if(result != trueResult) {
11455 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11456 result = claimer == 'w' ? BlackWins : WhiteWins;
11457 resultDetails = buf;
11460 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11461 && (forwardMostMove <= backwardMostMove ||
11462 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11463 (claimer=='b')==(forwardMostMove&1))
11465 /* [HGM] verify: draws that were not flagged are false claims */
11466 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11467 result = claimer == 'w' ? BlackWins : WhiteWins;
11468 resultDetails = buf;
11470 /* (Claiming a loss is accepted no questions asked!) */
11471 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11472 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11473 result = GameUnfinished;
11474 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11476 /* [HGM] bare: don't allow bare King to win */
11477 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11478 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11479 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11480 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11481 && result != GameIsDrawn)
11482 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11483 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11484 int p = (signed char)boards[forwardMostMove][i][j] - color;
11485 if(p >= 0 && p <= (int)WhiteKing) k++;
11486 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11488 if (appData.debugMode) {
11489 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11490 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11492 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11493 result = GameIsDrawn;
11494 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11495 resultDetails = buf;
11501 if(serverMoves != NULL && !loadFlag) { char c = '=';
11502 if(result==WhiteWins) c = '+';
11503 if(result==BlackWins) c = '-';
11504 if(resultDetails != NULL)
11505 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11507 if (resultDetails != NULL) {
11508 gameInfo.result = result;
11509 gameInfo.resultDetails = StrSave(resultDetails);
11511 /* display last move only if game was not loaded from file */
11512 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11513 DisplayMove(currentMove - 1);
11515 if (forwardMostMove != 0) {
11516 if (gameMode != PlayFromGameFile && gameMode != EditGame
11517 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11519 if (*appData.saveGameFile != NULLCHAR) {
11520 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11521 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11523 SaveGameToFile(appData.saveGameFile, TRUE);
11524 } else if (appData.autoSaveGames) {
11525 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11527 if (*appData.savePositionFile != NULLCHAR) {
11528 SavePositionToFile(appData.savePositionFile);
11530 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11534 /* Tell program how game ended in case it is learning */
11535 /* [HGM] Moved this to after saving the PGN, just in case */
11536 /* engine died and we got here through time loss. In that */
11537 /* case we will get a fatal error writing the pipe, which */
11538 /* would otherwise lose us the PGN. */
11539 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11540 /* output during GameEnds should never be fatal anymore */
11541 if (gameMode == MachinePlaysWhite ||
11542 gameMode == MachinePlaysBlack ||
11543 gameMode == TwoMachinesPlay ||
11544 gameMode == IcsPlayingWhite ||
11545 gameMode == IcsPlayingBlack ||
11546 gameMode == BeginningOfGame) {
11548 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11550 if (first.pr != NoProc) {
11551 SendToProgram(buf, &first);
11553 if (second.pr != NoProc &&
11554 gameMode == TwoMachinesPlay) {
11555 SendToProgram(buf, &second);
11560 if (appData.icsActive) {
11561 if (appData.quietPlay &&
11562 (gameMode == IcsPlayingWhite ||
11563 gameMode == IcsPlayingBlack)) {
11564 SendToICS(ics_prefix);
11565 SendToICS("set shout 1\n");
11567 nextGameMode = IcsIdle;
11568 ics_user_moved = FALSE;
11569 /* clean up premove. It's ugly when the game has ended and the
11570 * premove highlights are still on the board.
11573 gotPremove = FALSE;
11574 ClearPremoveHighlights();
11575 DrawPosition(FALSE, boards[currentMove]);
11577 if (whosays == GE_ICS) {
11580 if (gameMode == IcsPlayingWhite)
11582 else if(gameMode == IcsPlayingBlack)
11583 PlayIcsLossSound();
11586 if (gameMode == IcsPlayingBlack)
11588 else if(gameMode == IcsPlayingWhite)
11589 PlayIcsLossSound();
11592 PlayIcsDrawSound();
11595 PlayIcsUnfinishedSound();
11598 if(appData.quitNext) { ExitEvent(0); return; }
11599 } else if (gameMode == EditGame ||
11600 gameMode == PlayFromGameFile ||
11601 gameMode == AnalyzeMode ||
11602 gameMode == AnalyzeFile) {
11603 nextGameMode = gameMode;
11605 nextGameMode = EndOfGame;
11610 nextGameMode = gameMode;
11613 if (appData.noChessProgram) {
11614 gameMode = nextGameMode;
11616 endingGame = 0; /* [HGM] crash */
11621 /* Put first chess program into idle state */
11622 if (first.pr != NoProc &&
11623 (gameMode == MachinePlaysWhite ||
11624 gameMode == MachinePlaysBlack ||
11625 gameMode == TwoMachinesPlay ||
11626 gameMode == IcsPlayingWhite ||
11627 gameMode == IcsPlayingBlack ||
11628 gameMode == BeginningOfGame)) {
11629 SendToProgram("force\n", &first);
11630 if (first.usePing) {
11632 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11633 SendToProgram(buf, &first);
11636 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11637 /* Kill off first chess program */
11638 if (first.isr != NULL)
11639 RemoveInputSource(first.isr);
11642 if (first.pr != NoProc) {
11644 DoSleep( appData.delayBeforeQuit );
11645 SendToProgram("quit\n", &first);
11646 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11647 first.reload = TRUE;
11651 if (second.reuse) {
11652 /* Put second chess program into idle state */
11653 if (second.pr != NoProc &&
11654 gameMode == TwoMachinesPlay) {
11655 SendToProgram("force\n", &second);
11656 if (second.usePing) {
11658 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11659 SendToProgram(buf, &second);
11662 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11663 /* Kill off second chess program */
11664 if (second.isr != NULL)
11665 RemoveInputSource(second.isr);
11668 if (second.pr != NoProc) {
11669 DoSleep( appData.delayBeforeQuit );
11670 SendToProgram("quit\n", &second);
11671 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11672 second.reload = TRUE;
11674 second.pr = NoProc;
11677 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11678 char resChar = '=';
11682 if (first.twoMachinesColor[0] == 'w') {
11685 second.matchWins++;
11690 if (first.twoMachinesColor[0] == 'b') {
11693 second.matchWins++;
11696 case GameUnfinished:
11702 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11703 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11704 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11705 ReserveGame(nextGame, resChar); // sets nextGame
11706 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11707 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11708 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11710 if (nextGame <= appData.matchGames && !abortMatch) {
11711 gameMode = nextGameMode;
11712 matchGame = nextGame; // this will be overruled in tourney mode!
11713 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11714 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11715 endingGame = 0; /* [HGM] crash */
11718 gameMode = nextGameMode;
11719 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11720 first.tidy, second.tidy,
11721 first.matchWins, second.matchWins,
11722 appData.matchGames - (first.matchWins + second.matchWins));
11723 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11724 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11725 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11726 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11727 first.twoMachinesColor = "black\n";
11728 second.twoMachinesColor = "white\n";
11730 first.twoMachinesColor = "white\n";
11731 second.twoMachinesColor = "black\n";
11735 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11736 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11738 gameMode = nextGameMode;
11740 endingGame = 0; /* [HGM] crash */
11741 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11742 if(matchMode == TRUE) { // match through command line: exit with or without popup
11744 ToNrEvent(forwardMostMove);
11745 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11747 } else DisplayFatalError(buf, 0, 0);
11748 } else { // match through menu; just stop, with or without popup
11749 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11752 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11753 } else DisplayNote(buf);
11755 if(ranking) free(ranking);
11759 /* Assumes program was just initialized (initString sent).
11760 Leaves program in force mode. */
11762 FeedMovesToProgram (ChessProgramState *cps, int upto)
11766 if (appData.debugMode)
11767 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11768 startedFromSetupPosition ? "position and " : "",
11769 backwardMostMove, upto, cps->which);
11770 if(currentlyInitializedVariant != gameInfo.variant) {
11772 // [HGM] variantswitch: make engine aware of new variant
11773 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11774 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11775 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11776 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11777 SendToProgram(buf, cps);
11778 currentlyInitializedVariant = gameInfo.variant;
11780 SendToProgram("force\n", cps);
11781 if (startedFromSetupPosition) {
11782 SendBoard(cps, backwardMostMove);
11783 if (appData.debugMode) {
11784 fprintf(debugFP, "feedMoves\n");
11787 for (i = backwardMostMove; i < upto; i++) {
11788 SendMoveToProgram(i, cps);
11794 ResurrectChessProgram ()
11796 /* The chess program may have exited.
11797 If so, restart it and feed it all the moves made so far. */
11798 static int doInit = 0;
11800 if (appData.noChessProgram) return 1;
11802 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11803 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11804 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11805 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11807 if (first.pr != NoProc) return 1;
11808 StartChessProgram(&first);
11810 InitChessProgram(&first, FALSE);
11811 FeedMovesToProgram(&first, currentMove);
11813 if (!first.sendTime) {
11814 /* can't tell gnuchess what its clock should read,
11815 so we bow to its notion. */
11817 timeRemaining[0][currentMove] = whiteTimeRemaining;
11818 timeRemaining[1][currentMove] = blackTimeRemaining;
11821 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11822 appData.icsEngineAnalyze) && first.analysisSupport) {
11823 SendToProgram("analyze\n", &first);
11824 first.analyzing = TRUE;
11830 * Button procedures
11833 Reset (int redraw, int init)
11837 if (appData.debugMode) {
11838 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11839 redraw, init, gameMode);
11841 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11842 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11843 CleanupTail(); // [HGM] vari: delete any stored variations
11844 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11845 pausing = pauseExamInvalid = FALSE;
11846 startedFromSetupPosition = blackPlaysFirst = FALSE;
11848 whiteFlag = blackFlag = FALSE;
11849 userOfferedDraw = FALSE;
11850 hintRequested = bookRequested = FALSE;
11851 first.maybeThinking = FALSE;
11852 second.maybeThinking = FALSE;
11853 first.bookSuspend = FALSE; // [HGM] book
11854 second.bookSuspend = FALSE;
11855 thinkOutput[0] = NULLCHAR;
11856 lastHint[0] = NULLCHAR;
11857 ClearGameInfo(&gameInfo);
11858 gameInfo.variant = StringToVariant(appData.variant);
11859 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11860 ics_user_moved = ics_clock_paused = FALSE;
11861 ics_getting_history = H_FALSE;
11863 white_holding[0] = black_holding[0] = NULLCHAR;
11864 ClearProgramStats();
11865 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11869 flipView = appData.flipView;
11870 ClearPremoveHighlights();
11871 gotPremove = FALSE;
11872 alarmSounded = FALSE;
11873 killX = killY = -1; // [HGM] lion
11875 GameEnds(EndOfFile, NULL, GE_PLAYER);
11876 if(appData.serverMovesName != NULL) {
11877 /* [HGM] prepare to make moves file for broadcasting */
11878 clock_t t = clock();
11879 if(serverMoves != NULL) fclose(serverMoves);
11880 serverMoves = fopen(appData.serverMovesName, "r");
11881 if(serverMoves != NULL) {
11882 fclose(serverMoves);
11883 /* delay 15 sec before overwriting, so all clients can see end */
11884 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11886 serverMoves = fopen(appData.serverMovesName, "w");
11890 gameMode = BeginningOfGame;
11892 if(appData.icsActive) gameInfo.variant = VariantNormal;
11893 currentMove = forwardMostMove = backwardMostMove = 0;
11894 MarkTargetSquares(1);
11895 InitPosition(redraw);
11896 for (i = 0; i < MAX_MOVES; i++) {
11897 if (commentList[i] != NULL) {
11898 free(commentList[i]);
11899 commentList[i] = NULL;
11903 timeRemaining[0][0] = whiteTimeRemaining;
11904 timeRemaining[1][0] = blackTimeRemaining;
11906 if (first.pr == NoProc) {
11907 StartChessProgram(&first);
11910 InitChessProgram(&first, startedFromSetupPosition);
11913 DisplayMessage("", "");
11914 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11915 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11916 ClearMap(); // [HGM] exclude: invalidate map
11920 AutoPlayGameLoop ()
11923 if (!AutoPlayOneMove())
11925 if (matchMode || appData.timeDelay == 0)
11927 if (appData.timeDelay < 0)
11929 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11937 ReloadGame(1); // next game
11943 int fromX, fromY, toX, toY;
11945 if (appData.debugMode) {
11946 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11949 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11952 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11953 pvInfoList[currentMove].depth = programStats.depth;
11954 pvInfoList[currentMove].score = programStats.score;
11955 pvInfoList[currentMove].time = 0;
11956 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11957 else { // append analysis of final position as comment
11959 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11960 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11962 programStats.depth = 0;
11965 if (currentMove >= forwardMostMove) {
11966 if(gameMode == AnalyzeFile) {
11967 if(appData.loadGameIndex == -1) {
11968 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11969 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11971 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11974 // gameMode = EndOfGame;
11975 // ModeHighlight();
11977 /* [AS] Clear current move marker at the end of a game */
11978 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11983 toX = moveList[currentMove][2] - AAA;
11984 toY = moveList[currentMove][3] - ONE;
11986 if (moveList[currentMove][1] == '@') {
11987 if (appData.highlightLastMove) {
11988 SetHighlights(-1, -1, toX, toY);
11991 int viaX = moveList[currentMove][5] - AAA;
11992 int viaY = moveList[currentMove][6] - ONE;
11993 fromX = moveList[currentMove][0] - AAA;
11994 fromY = moveList[currentMove][1] - ONE;
11996 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11998 if(moveList[currentMove][4] == ';') { // multi-leg
11999 ChessSquare piece = boards[currentMove][viaY][viaX];
12000 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12001 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12002 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12003 boards[currentMove][viaY][viaX] = piece;
12005 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12007 if (appData.highlightLastMove) {
12008 SetHighlights(fromX, fromY, toX, toY);
12011 DisplayMove(currentMove);
12012 SendMoveToProgram(currentMove++, &first);
12013 DisplayBothClocks();
12014 DrawPosition(FALSE, boards[currentMove]);
12015 // [HGM] PV info: always display, routine tests if empty
12016 DisplayComment(currentMove - 1, commentList[currentMove]);
12022 LoadGameOneMove (ChessMove readAhead)
12024 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12025 char promoChar = NULLCHAR;
12026 ChessMove moveType;
12027 char move[MSG_SIZ];
12030 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12031 gameMode != AnalyzeMode && gameMode != Training) {
12036 yyboardindex = forwardMostMove;
12037 if (readAhead != EndOfFile) {
12038 moveType = readAhead;
12040 if (gameFileFP == NULL)
12042 moveType = (ChessMove) Myylex();
12046 switch (moveType) {
12048 if (appData.debugMode)
12049 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12052 /* append the comment but don't display it */
12053 AppendComment(currentMove, p, FALSE);
12056 case WhiteCapturesEnPassant:
12057 case BlackCapturesEnPassant:
12058 case WhitePromotion:
12059 case BlackPromotion:
12060 case WhiteNonPromotion:
12061 case BlackNonPromotion:
12064 case WhiteKingSideCastle:
12065 case WhiteQueenSideCastle:
12066 case BlackKingSideCastle:
12067 case BlackQueenSideCastle:
12068 case WhiteKingSideCastleWild:
12069 case WhiteQueenSideCastleWild:
12070 case BlackKingSideCastleWild:
12071 case BlackQueenSideCastleWild:
12073 case WhiteHSideCastleFR:
12074 case WhiteASideCastleFR:
12075 case BlackHSideCastleFR:
12076 case BlackASideCastleFR:
12078 if (appData.debugMode)
12079 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12080 fromX = currentMoveString[0] - AAA;
12081 fromY = currentMoveString[1] - ONE;
12082 toX = currentMoveString[2] - AAA;
12083 toY = currentMoveString[3] - ONE;
12084 promoChar = currentMoveString[4];
12085 if(promoChar == ';') promoChar = NULLCHAR;
12090 if (appData.debugMode)
12091 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12092 fromX = moveType == WhiteDrop ?
12093 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12094 (int) CharToPiece(ToLower(currentMoveString[0]));
12096 toX = currentMoveString[2] - AAA;
12097 toY = currentMoveString[3] - ONE;
12103 case GameUnfinished:
12104 if (appData.debugMode)
12105 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12106 p = strchr(yy_text, '{');
12107 if (p == NULL) p = strchr(yy_text, '(');
12110 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12112 q = strchr(p, *p == '{' ? '}' : ')');
12113 if (q != NULL) *q = NULLCHAR;
12116 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12117 GameEnds(moveType, p, GE_FILE);
12119 if (cmailMsgLoaded) {
12121 flipView = WhiteOnMove(currentMove);
12122 if (moveType == GameUnfinished) flipView = !flipView;
12123 if (appData.debugMode)
12124 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12129 if (appData.debugMode)
12130 fprintf(debugFP, "Parser hit end of file\n");
12131 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12137 if (WhiteOnMove(currentMove)) {
12138 GameEnds(BlackWins, "Black mates", GE_FILE);
12140 GameEnds(WhiteWins, "White mates", GE_FILE);
12144 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12150 case MoveNumberOne:
12151 if (lastLoadGameStart == GNUChessGame) {
12152 /* GNUChessGames have numbers, but they aren't move numbers */
12153 if (appData.debugMode)
12154 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12155 yy_text, (int) moveType);
12156 return LoadGameOneMove(EndOfFile); /* tail recursion */
12158 /* else fall thru */
12163 /* Reached start of next game in file */
12164 if (appData.debugMode)
12165 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12166 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12172 if (WhiteOnMove(currentMove)) {
12173 GameEnds(BlackWins, "Black mates", GE_FILE);
12175 GameEnds(WhiteWins, "White mates", GE_FILE);
12179 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12185 case PositionDiagram: /* should not happen; ignore */
12186 case ElapsedTime: /* ignore */
12187 case NAG: /* ignore */
12188 if (appData.debugMode)
12189 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12190 yy_text, (int) moveType);
12191 return LoadGameOneMove(EndOfFile); /* tail recursion */
12194 if (appData.testLegality) {
12195 if (appData.debugMode)
12196 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12197 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12198 (forwardMostMove / 2) + 1,
12199 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12200 DisplayError(move, 0);
12203 if (appData.debugMode)
12204 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12205 yy_text, currentMoveString);
12206 if(currentMoveString[1] == '@') {
12207 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12210 fromX = currentMoveString[0] - AAA;
12211 fromY = currentMoveString[1] - ONE;
12213 toX = currentMoveString[2] - AAA;
12214 toY = currentMoveString[3] - ONE;
12215 promoChar = currentMoveString[4];
12219 case AmbiguousMove:
12220 if (appData.debugMode)
12221 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12222 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12223 (forwardMostMove / 2) + 1,
12224 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12225 DisplayError(move, 0);
12230 case ImpossibleMove:
12231 if (appData.debugMode)
12232 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12233 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12234 (forwardMostMove / 2) + 1,
12235 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12236 DisplayError(move, 0);
12242 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12243 DrawPosition(FALSE, boards[currentMove]);
12244 DisplayBothClocks();
12245 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12246 DisplayComment(currentMove - 1, commentList[currentMove]);
12248 (void) StopLoadGameTimer();
12250 cmailOldMove = forwardMostMove;
12253 /* currentMoveString is set as a side-effect of yylex */
12255 thinkOutput[0] = NULLCHAR;
12256 MakeMove(fromX, fromY, toX, toY, promoChar);
12257 killX = killY = -1; // [HGM] lion: used up
12258 currentMove = forwardMostMove;
12263 /* Load the nth game from the given file */
12265 LoadGameFromFile (char *filename, int n, char *title, int useList)
12270 if (strcmp(filename, "-") == 0) {
12274 f = fopen(filename, "rb");
12276 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12277 DisplayError(buf, errno);
12281 if (fseek(f, 0, 0) == -1) {
12282 /* f is not seekable; probably a pipe */
12285 if (useList && n == 0) {
12286 int error = GameListBuild(f);
12288 DisplayError(_("Cannot build game list"), error);
12289 } else if (!ListEmpty(&gameList) &&
12290 ((ListGame *) gameList.tailPred)->number > 1) {
12291 GameListPopUp(f, title);
12298 return LoadGame(f, n, title, FALSE);
12303 MakeRegisteredMove ()
12305 int fromX, fromY, toX, toY;
12307 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12308 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12311 if (appData.debugMode)
12312 fprintf(debugFP, "Restoring %s for game %d\n",
12313 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12315 thinkOutput[0] = NULLCHAR;
12316 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12317 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12318 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12319 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12320 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12321 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12322 MakeMove(fromX, fromY, toX, toY, promoChar);
12323 ShowMove(fromX, fromY, toX, toY);
12325 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12332 if (WhiteOnMove(currentMove)) {
12333 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12335 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12340 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12347 if (WhiteOnMove(currentMove)) {
12348 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12350 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12355 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12366 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12368 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12372 if (gameNumber > nCmailGames) {
12373 DisplayError(_("No more games in this message"), 0);
12376 if (f == lastLoadGameFP) {
12377 int offset = gameNumber - lastLoadGameNumber;
12379 cmailMsg[0] = NULLCHAR;
12380 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12381 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12382 nCmailMovesRegistered--;
12384 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12385 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12386 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12389 if (! RegisterMove()) return FALSE;
12393 retVal = LoadGame(f, gameNumber, title, useList);
12395 /* Make move registered during previous look at this game, if any */
12396 MakeRegisteredMove();
12398 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12399 commentList[currentMove]
12400 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12401 DisplayComment(currentMove - 1, commentList[currentMove]);
12407 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12409 ReloadGame (int offset)
12411 int gameNumber = lastLoadGameNumber + offset;
12412 if (lastLoadGameFP == NULL) {
12413 DisplayError(_("No game has been loaded yet"), 0);
12416 if (gameNumber <= 0) {
12417 DisplayError(_("Can't back up any further"), 0);
12420 if (cmailMsgLoaded) {
12421 return CmailLoadGame(lastLoadGameFP, gameNumber,
12422 lastLoadGameTitle, lastLoadGameUseList);
12424 return LoadGame(lastLoadGameFP, gameNumber,
12425 lastLoadGameTitle, lastLoadGameUseList);
12429 int keys[EmptySquare+1];
12432 PositionMatches (Board b1, Board b2)
12435 switch(appData.searchMode) {
12436 case 1: return CompareWithRights(b1, b2);
12438 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12439 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12443 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12444 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12445 sum += keys[b1[r][f]] - keys[b2[r][f]];
12449 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12450 sum += keys[b1[r][f]] - keys[b2[r][f]];
12462 int pieceList[256], quickBoard[256];
12463 ChessSquare pieceType[256] = { EmptySquare };
12464 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12465 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12466 int soughtTotal, turn;
12467 Boolean epOK, flipSearch;
12470 unsigned char piece, to;
12473 #define DSIZE (250000)
12475 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12476 Move *moveDatabase = initialSpace;
12477 unsigned int movePtr, dataSize = DSIZE;
12480 MakePieceList (Board board, int *counts)
12482 int r, f, n=Q_PROMO, total=0;
12483 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12484 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12485 int sq = f + (r<<4);
12486 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12487 quickBoard[sq] = ++n;
12489 pieceType[n] = board[r][f];
12490 counts[board[r][f]]++;
12491 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12492 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12496 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12501 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12503 int sq = fromX + (fromY<<4);
12504 int piece = quickBoard[sq], rook;
12505 quickBoard[sq] = 0;
12506 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12507 if(piece == pieceList[1] && fromY == toY) {
12508 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12509 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12510 moveDatabase[movePtr++].piece = Q_WCASTL;
12511 quickBoard[sq] = piece;
12512 piece = quickBoard[from]; quickBoard[from] = 0;
12513 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12514 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12515 quickBoard[sq] = 0; // remove Rook
12516 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12517 moveDatabase[movePtr++].piece = Q_WCASTL;
12518 quickBoard[sq] = pieceList[1]; // put King
12520 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12523 if(piece == pieceList[2] && fromY == toY) {
12524 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12525 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12526 moveDatabase[movePtr++].piece = Q_BCASTL;
12527 quickBoard[sq] = piece;
12528 piece = quickBoard[from]; quickBoard[from] = 0;
12529 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12530 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12531 quickBoard[sq] = 0; // remove Rook
12532 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12533 moveDatabase[movePtr++].piece = Q_BCASTL;
12534 quickBoard[sq] = pieceList[2]; // put King
12536 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12539 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12540 quickBoard[(fromY<<4)+toX] = 0;
12541 moveDatabase[movePtr].piece = Q_EP;
12542 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12543 moveDatabase[movePtr].to = sq;
12545 if(promoPiece != pieceType[piece]) {
12546 moveDatabase[movePtr++].piece = Q_PROMO;
12547 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12549 moveDatabase[movePtr].piece = piece;
12550 quickBoard[sq] = piece;
12555 PackGame (Board board)
12557 Move *newSpace = NULL;
12558 moveDatabase[movePtr].piece = 0; // terminate previous game
12559 if(movePtr > dataSize) {
12560 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12561 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12562 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12565 Move *p = moveDatabase, *q = newSpace;
12566 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12567 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12568 moveDatabase = newSpace;
12569 } else { // calloc failed, we must be out of memory. Too bad...
12570 dataSize = 0; // prevent calloc events for all subsequent games
12571 return 0; // and signal this one isn't cached
12575 MakePieceList(board, counts);
12580 QuickCompare (Board board, int *minCounts, int *maxCounts)
12581 { // compare according to search mode
12583 switch(appData.searchMode)
12585 case 1: // exact position match
12586 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12587 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12588 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12591 case 2: // can have extra material on empty squares
12592 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12593 if(board[r][f] == EmptySquare) continue;
12594 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12597 case 3: // material with exact Pawn structure
12598 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12599 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12600 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12601 } // fall through to material comparison
12602 case 4: // exact material
12603 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12605 case 6: // material range with given imbalance
12606 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12607 // fall through to range comparison
12608 case 5: // material range
12609 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12615 QuickScan (Board board, Move *move)
12616 { // reconstruct game,and compare all positions in it
12617 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12619 int piece = move->piece;
12620 int to = move->to, from = pieceList[piece];
12621 if(found < 0) { // if already found just scan to game end for final piece count
12622 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12623 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12624 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12625 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12627 static int lastCounts[EmptySquare+1];
12629 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12630 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12631 } else stretch = 0;
12632 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12633 if(found >= 0 && !appData.minPieces) return found;
12635 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12636 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12637 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12638 piece = (++move)->piece;
12639 from = pieceList[piece];
12640 counts[pieceType[piece]]--;
12641 pieceType[piece] = (ChessSquare) move->to;
12642 counts[move->to]++;
12643 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12644 counts[pieceType[quickBoard[to]]]--;
12645 quickBoard[to] = 0; total--;
12648 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12649 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12650 from = pieceList[piece]; // so this must be King
12651 quickBoard[from] = 0;
12652 pieceList[piece] = to;
12653 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12654 quickBoard[from] = 0; // rook
12655 quickBoard[to] = piece;
12656 to = move->to; piece = move->piece;
12660 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12661 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12662 quickBoard[from] = 0;
12664 quickBoard[to] = piece;
12665 pieceList[piece] = to;
12675 flipSearch = FALSE;
12676 CopyBoard(soughtBoard, boards[currentMove]);
12677 soughtTotal = MakePieceList(soughtBoard, maxSought);
12678 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12679 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12680 CopyBoard(reverseBoard, boards[currentMove]);
12681 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12682 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12683 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12684 reverseBoard[r][f] = piece;
12686 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12687 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12688 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12689 || (boards[currentMove][CASTLING][2] == NoRights ||
12690 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12691 && (boards[currentMove][CASTLING][5] == NoRights ||
12692 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12695 CopyBoard(flipBoard, soughtBoard);
12696 CopyBoard(rotateBoard, reverseBoard);
12697 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12698 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12699 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12702 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12703 if(appData.searchMode >= 5) {
12704 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12705 MakePieceList(soughtBoard, minSought);
12706 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12708 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12709 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12712 GameInfo dummyInfo;
12713 static int creatingBook;
12716 GameContainsPosition (FILE *f, ListGame *lg)
12718 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12719 int fromX, fromY, toX, toY;
12721 static int initDone=FALSE;
12723 // weed out games based on numerical tag comparison
12724 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12725 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12726 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12727 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12729 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12732 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12733 else CopyBoard(boards[scratch], initialPosition); // default start position
12736 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12737 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12740 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12741 fseek(f, lg->offset, 0);
12744 yyboardindex = scratch;
12745 quickFlag = plyNr+1;
12750 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12756 if(plyNr) return -1; // after we have seen moves, this is for new game
12759 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12760 case ImpossibleMove:
12761 case WhiteWins: // game ends here with these four
12764 case GameUnfinished:
12768 if(appData.testLegality) return -1;
12769 case WhiteCapturesEnPassant:
12770 case BlackCapturesEnPassant:
12771 case WhitePromotion:
12772 case BlackPromotion:
12773 case WhiteNonPromotion:
12774 case BlackNonPromotion:
12777 case WhiteKingSideCastle:
12778 case WhiteQueenSideCastle:
12779 case BlackKingSideCastle:
12780 case BlackQueenSideCastle:
12781 case WhiteKingSideCastleWild:
12782 case WhiteQueenSideCastleWild:
12783 case BlackKingSideCastleWild:
12784 case BlackQueenSideCastleWild:
12785 case WhiteHSideCastleFR:
12786 case WhiteASideCastleFR:
12787 case BlackHSideCastleFR:
12788 case BlackASideCastleFR:
12789 fromX = currentMoveString[0] - AAA;
12790 fromY = currentMoveString[1] - ONE;
12791 toX = currentMoveString[2] - AAA;
12792 toY = currentMoveString[3] - ONE;
12793 promoChar = currentMoveString[4];
12797 fromX = next == WhiteDrop ?
12798 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12799 (int) CharToPiece(ToLower(currentMoveString[0]));
12801 toX = currentMoveString[2] - AAA;
12802 toY = currentMoveString[3] - ONE;
12806 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12808 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12809 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12810 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12811 if(appData.findMirror) {
12812 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12813 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12818 /* Load the nth game from open file f */
12820 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12824 int gn = gameNumber;
12825 ListGame *lg = NULL;
12826 int numPGNTags = 0;
12828 GameMode oldGameMode;
12829 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12830 char oldName[MSG_SIZ];
12832 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12834 if (appData.debugMode)
12835 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12837 if (gameMode == Training )
12838 SetTrainingModeOff();
12840 oldGameMode = gameMode;
12841 if (gameMode != BeginningOfGame) {
12842 Reset(FALSE, TRUE);
12844 killX = killY = -1; // [HGM] lion: in case we did not Reset
12847 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12848 fclose(lastLoadGameFP);
12852 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12855 fseek(f, lg->offset, 0);
12856 GameListHighlight(gameNumber);
12857 pos = lg->position;
12861 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12862 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12864 DisplayError(_("Game number out of range"), 0);
12869 if (fseek(f, 0, 0) == -1) {
12870 if (f == lastLoadGameFP ?
12871 gameNumber == lastLoadGameNumber + 1 :
12875 DisplayError(_("Can't seek on game file"), 0);
12880 lastLoadGameFP = f;
12881 lastLoadGameNumber = gameNumber;
12882 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12883 lastLoadGameUseList = useList;
12887 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12888 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12889 lg->gameInfo.black);
12891 } else if (*title != NULLCHAR) {
12892 if (gameNumber > 1) {
12893 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12896 DisplayTitle(title);
12900 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12901 gameMode = PlayFromGameFile;
12905 currentMove = forwardMostMove = backwardMostMove = 0;
12906 CopyBoard(boards[0], initialPosition);
12910 * Skip the first gn-1 games in the file.
12911 * Also skip over anything that precedes an identifiable
12912 * start of game marker, to avoid being confused by
12913 * garbage at the start of the file. Currently
12914 * recognized start of game markers are the move number "1",
12915 * the pattern "gnuchess .* game", the pattern
12916 * "^[#;%] [^ ]* game file", and a PGN tag block.
12917 * A game that starts with one of the latter two patterns
12918 * will also have a move number 1, possibly
12919 * following a position diagram.
12920 * 5-4-02: Let's try being more lenient and allowing a game to
12921 * start with an unnumbered move. Does that break anything?
12923 cm = lastLoadGameStart = EndOfFile;
12925 yyboardindex = forwardMostMove;
12926 cm = (ChessMove) Myylex();
12929 if (cmailMsgLoaded) {
12930 nCmailGames = CMAIL_MAX_GAMES - gn;
12933 DisplayError(_("Game not found in file"), 0);
12940 lastLoadGameStart = cm;
12943 case MoveNumberOne:
12944 switch (lastLoadGameStart) {
12949 case MoveNumberOne:
12951 gn--; /* count this game */
12952 lastLoadGameStart = cm;
12961 switch (lastLoadGameStart) {
12964 case MoveNumberOne:
12966 gn--; /* count this game */
12967 lastLoadGameStart = cm;
12970 lastLoadGameStart = cm; /* game counted already */
12978 yyboardindex = forwardMostMove;
12979 cm = (ChessMove) Myylex();
12980 } while (cm == PGNTag || cm == Comment);
12987 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12988 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12989 != CMAIL_OLD_RESULT) {
12991 cmailResult[ CMAIL_MAX_GAMES
12992 - gn - 1] = CMAIL_OLD_RESULT;
12999 /* Only a NormalMove can be at the start of a game
13000 * without a position diagram. */
13001 if (lastLoadGameStart == EndOfFile ) {
13003 lastLoadGameStart = MoveNumberOne;
13012 if (appData.debugMode)
13013 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13015 if (cm == XBoardGame) {
13016 /* Skip any header junk before position diagram and/or move 1 */
13018 yyboardindex = forwardMostMove;
13019 cm = (ChessMove) Myylex();
13021 if (cm == EndOfFile ||
13022 cm == GNUChessGame || cm == XBoardGame) {
13023 /* Empty game; pretend end-of-file and handle later */
13028 if (cm == MoveNumberOne || cm == PositionDiagram ||
13029 cm == PGNTag || cm == Comment)
13032 } else if (cm == GNUChessGame) {
13033 if (gameInfo.event != NULL) {
13034 free(gameInfo.event);
13036 gameInfo.event = StrSave(yy_text);
13039 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13040 while (cm == PGNTag) {
13041 if (appData.debugMode)
13042 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13043 err = ParsePGNTag(yy_text, &gameInfo);
13044 if (!err) numPGNTags++;
13046 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13047 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13048 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13049 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13050 InitPosition(TRUE);
13051 oldVariant = gameInfo.variant;
13052 if (appData.debugMode)
13053 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13057 if (gameInfo.fen != NULL) {
13058 Board initial_position;
13059 startedFromSetupPosition = TRUE;
13060 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13062 DisplayError(_("Bad FEN position in file"), 0);
13065 CopyBoard(boards[0], initial_position);
13066 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13067 CopyBoard(initialPosition, initial_position);
13068 if (blackPlaysFirst) {
13069 currentMove = forwardMostMove = backwardMostMove = 1;
13070 CopyBoard(boards[1], initial_position);
13071 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13072 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13073 timeRemaining[0][1] = whiteTimeRemaining;
13074 timeRemaining[1][1] = blackTimeRemaining;
13075 if (commentList[0] != NULL) {
13076 commentList[1] = commentList[0];
13077 commentList[0] = NULL;
13080 currentMove = forwardMostMove = backwardMostMove = 0;
13082 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13084 initialRulePlies = FENrulePlies;
13085 for( i=0; i< nrCastlingRights; i++ )
13086 initialRights[i] = initial_position[CASTLING][i];
13088 yyboardindex = forwardMostMove;
13089 free(gameInfo.fen);
13090 gameInfo.fen = NULL;
13093 yyboardindex = forwardMostMove;
13094 cm = (ChessMove) Myylex();
13096 /* Handle comments interspersed among the tags */
13097 while (cm == Comment) {
13099 if (appData.debugMode)
13100 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13102 AppendComment(currentMove, p, FALSE);
13103 yyboardindex = forwardMostMove;
13104 cm = (ChessMove) Myylex();
13108 /* don't rely on existence of Event tag since if game was
13109 * pasted from clipboard the Event tag may not exist
13111 if (numPGNTags > 0){
13113 if (gameInfo.variant == VariantNormal) {
13114 VariantClass v = StringToVariant(gameInfo.event);
13115 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13116 if(v < VariantShogi) gameInfo.variant = v;
13119 if( appData.autoDisplayTags ) {
13120 tags = PGNTags(&gameInfo);
13121 TagsPopUp(tags, CmailMsg());
13126 /* Make something up, but don't display it now */
13131 if (cm == PositionDiagram) {
13134 Board initial_position;
13136 if (appData.debugMode)
13137 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13139 if (!startedFromSetupPosition) {
13141 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13142 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13153 initial_position[i][j++] = CharToPiece(*p);
13156 while (*p == ' ' || *p == '\t' ||
13157 *p == '\n' || *p == '\r') p++;
13159 if (strncmp(p, "black", strlen("black"))==0)
13160 blackPlaysFirst = TRUE;
13162 blackPlaysFirst = FALSE;
13163 startedFromSetupPosition = TRUE;
13165 CopyBoard(boards[0], initial_position);
13166 if (blackPlaysFirst) {
13167 currentMove = forwardMostMove = backwardMostMove = 1;
13168 CopyBoard(boards[1], initial_position);
13169 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13170 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13171 timeRemaining[0][1] = whiteTimeRemaining;
13172 timeRemaining[1][1] = blackTimeRemaining;
13173 if (commentList[0] != NULL) {
13174 commentList[1] = commentList[0];
13175 commentList[0] = NULL;
13178 currentMove = forwardMostMove = backwardMostMove = 0;
13181 yyboardindex = forwardMostMove;
13182 cm = (ChessMove) Myylex();
13185 if(!creatingBook) {
13186 if (first.pr == NoProc) {
13187 StartChessProgram(&first);
13189 InitChessProgram(&first, FALSE);
13190 if(gameInfo.variant == VariantUnknown && *oldName) {
13191 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13192 gameInfo.variant = v;
13194 SendToProgram("force\n", &first);
13195 if (startedFromSetupPosition) {
13196 SendBoard(&first, forwardMostMove);
13197 if (appData.debugMode) {
13198 fprintf(debugFP, "Load Game\n");
13200 DisplayBothClocks();
13204 /* [HGM] server: flag to write setup moves in broadcast file as one */
13205 loadFlag = appData.suppressLoadMoves;
13207 while (cm == Comment) {
13209 if (appData.debugMode)
13210 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13212 AppendComment(currentMove, p, FALSE);
13213 yyboardindex = forwardMostMove;
13214 cm = (ChessMove) Myylex();
13217 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13218 cm == WhiteWins || cm == BlackWins ||
13219 cm == GameIsDrawn || cm == GameUnfinished) {
13220 DisplayMessage("", _("No moves in game"));
13221 if (cmailMsgLoaded) {
13222 if (appData.debugMode)
13223 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13227 DrawPosition(FALSE, boards[currentMove]);
13228 DisplayBothClocks();
13229 gameMode = EditGame;
13236 // [HGM] PV info: routine tests if comment empty
13237 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13238 DisplayComment(currentMove - 1, commentList[currentMove]);
13240 if (!matchMode && appData.timeDelay != 0)
13241 DrawPosition(FALSE, boards[currentMove]);
13243 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13244 programStats.ok_to_send = 1;
13247 /* if the first token after the PGN tags is a move
13248 * and not move number 1, retrieve it from the parser
13250 if (cm != MoveNumberOne)
13251 LoadGameOneMove(cm);
13253 /* load the remaining moves from the file */
13254 while (LoadGameOneMove(EndOfFile)) {
13255 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13256 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13259 /* rewind to the start of the game */
13260 currentMove = backwardMostMove;
13262 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13264 if (oldGameMode == AnalyzeFile) {
13265 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13266 AnalyzeFileEvent();
13268 if (oldGameMode == AnalyzeMode) {
13269 AnalyzeFileEvent();
13272 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13273 long int w, b; // [HGM] adjourn: restore saved clock times
13274 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13275 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13276 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13277 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13281 if(creatingBook) return TRUE;
13282 if (!matchMode && pos > 0) {
13283 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13285 if (matchMode || appData.timeDelay == 0) {
13287 } else if (appData.timeDelay > 0) {
13288 AutoPlayGameLoop();
13291 if (appData.debugMode)
13292 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13294 loadFlag = 0; /* [HGM] true game starts */
13298 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13300 ReloadPosition (int offset)
13302 int positionNumber = lastLoadPositionNumber + offset;
13303 if (lastLoadPositionFP == NULL) {
13304 DisplayError(_("No position has been loaded yet"), 0);
13307 if (positionNumber <= 0) {
13308 DisplayError(_("Can't back up any further"), 0);
13311 return LoadPosition(lastLoadPositionFP, positionNumber,
13312 lastLoadPositionTitle);
13315 /* Load the nth position from the given file */
13317 LoadPositionFromFile (char *filename, int n, char *title)
13322 if (strcmp(filename, "-") == 0) {
13323 return LoadPosition(stdin, n, "stdin");
13325 f = fopen(filename, "rb");
13327 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13328 DisplayError(buf, errno);
13331 return LoadPosition(f, n, title);
13336 /* Load the nth position from the given open file, and close it */
13338 LoadPosition (FILE *f, int positionNumber, char *title)
13340 char *p, line[MSG_SIZ];
13341 Board initial_position;
13342 int i, j, fenMode, pn;
13344 if (gameMode == Training )
13345 SetTrainingModeOff();
13347 if (gameMode != BeginningOfGame) {
13348 Reset(FALSE, TRUE);
13350 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13351 fclose(lastLoadPositionFP);
13353 if (positionNumber == 0) positionNumber = 1;
13354 lastLoadPositionFP = f;
13355 lastLoadPositionNumber = positionNumber;
13356 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13357 if (first.pr == NoProc && !appData.noChessProgram) {
13358 StartChessProgram(&first);
13359 InitChessProgram(&first, FALSE);
13361 pn = positionNumber;
13362 if (positionNumber < 0) {
13363 /* Negative position number means to seek to that byte offset */
13364 if (fseek(f, -positionNumber, 0) == -1) {
13365 DisplayError(_("Can't seek on position file"), 0);
13370 if (fseek(f, 0, 0) == -1) {
13371 if (f == lastLoadPositionFP ?
13372 positionNumber == lastLoadPositionNumber + 1 :
13373 positionNumber == 1) {
13376 DisplayError(_("Can't seek on position file"), 0);
13381 /* See if this file is FEN or old-style xboard */
13382 if (fgets(line, MSG_SIZ, f) == NULL) {
13383 DisplayError(_("Position not found in file"), 0);
13386 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13387 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13390 if (fenMode || line[0] == '#') pn--;
13392 /* skip positions before number pn */
13393 if (fgets(line, MSG_SIZ, f) == NULL) {
13395 DisplayError(_("Position not found in file"), 0);
13398 if (fenMode || line[0] == '#') pn--;
13404 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13405 DisplayError(_("Bad FEN position in file"), 0);
13408 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13409 sscanf(p+3, "%s", bestMove);
13410 } else *bestMove = NULLCHAR;
13412 (void) fgets(line, MSG_SIZ, f);
13413 (void) fgets(line, MSG_SIZ, f);
13415 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13416 (void) fgets(line, MSG_SIZ, f);
13417 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13420 initial_position[i][j++] = CharToPiece(*p);
13424 blackPlaysFirst = FALSE;
13426 (void) fgets(line, MSG_SIZ, f);
13427 if (strncmp(line, "black", strlen("black"))==0)
13428 blackPlaysFirst = TRUE;
13431 startedFromSetupPosition = TRUE;
13433 CopyBoard(boards[0], initial_position);
13434 if (blackPlaysFirst) {
13435 currentMove = forwardMostMove = backwardMostMove = 1;
13436 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13437 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13438 CopyBoard(boards[1], initial_position);
13439 DisplayMessage("", _("Black to play"));
13441 currentMove = forwardMostMove = backwardMostMove = 0;
13442 DisplayMessage("", _("White to play"));
13444 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13445 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13446 SendToProgram("force\n", &first);
13447 SendBoard(&first, forwardMostMove);
13449 if (appData.debugMode) {
13451 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13452 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13453 fprintf(debugFP, "Load Position\n");
13456 if (positionNumber > 1) {
13457 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13458 DisplayTitle(line);
13460 DisplayTitle(title);
13462 gameMode = EditGame;
13465 timeRemaining[0][1] = whiteTimeRemaining;
13466 timeRemaining[1][1] = blackTimeRemaining;
13467 DrawPosition(FALSE, boards[currentMove]);
13474 CopyPlayerNameIntoFileName (char **dest, char *src)
13476 while (*src != NULLCHAR && *src != ',') {
13481 *(*dest)++ = *src++;
13487 DefaultFileName (char *ext)
13489 static char def[MSG_SIZ];
13492 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13494 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13496 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13498 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13505 /* Save the current game to the given file */
13507 SaveGameToFile (char *filename, int append)
13511 int result, i, t,tot=0;
13513 if (strcmp(filename, "-") == 0) {
13514 return SaveGame(stdout, 0, NULL);
13516 for(i=0; i<10; i++) { // upto 10 tries
13517 f = fopen(filename, append ? "a" : "w");
13518 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13519 if(f || errno != 13) break;
13520 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13524 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13525 DisplayError(buf, errno);
13528 safeStrCpy(buf, lastMsg, MSG_SIZ);
13529 DisplayMessage(_("Waiting for access to save file"), "");
13530 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13531 DisplayMessage(_("Saving game"), "");
13532 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13533 result = SaveGame(f, 0, NULL);
13534 DisplayMessage(buf, "");
13541 SavePart (char *str)
13543 static char buf[MSG_SIZ];
13546 p = strchr(str, ' ');
13547 if (p == NULL) return str;
13548 strncpy(buf, str, p - str);
13549 buf[p - str] = NULLCHAR;
13553 #define PGN_MAX_LINE 75
13555 #define PGN_SIDE_WHITE 0
13556 #define PGN_SIDE_BLACK 1
13559 FindFirstMoveOutOfBook (int side)
13563 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13564 int index = backwardMostMove;
13565 int has_book_hit = 0;
13567 if( (index % 2) != side ) {
13571 while( index < forwardMostMove ) {
13572 /* Check to see if engine is in book */
13573 int depth = pvInfoList[index].depth;
13574 int score = pvInfoList[index].score;
13580 else if( score == 0 && depth == 63 ) {
13581 in_book = 1; /* Zappa */
13583 else if( score == 2 && depth == 99 ) {
13584 in_book = 1; /* Abrok */
13587 has_book_hit += in_book;
13603 GetOutOfBookInfo (char * buf)
13607 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13609 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13610 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13614 if( oob[0] >= 0 || oob[1] >= 0 ) {
13615 for( i=0; i<2; i++ ) {
13619 if( i > 0 && oob[0] >= 0 ) {
13620 strcat( buf, " " );
13623 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13624 sprintf( buf+strlen(buf), "%s%.2f",
13625 pvInfoList[idx].score >= 0 ? "+" : "",
13626 pvInfoList[idx].score / 100.0 );
13632 /* Save game in PGN style */
13634 SaveGamePGN2 (FILE *f)
13636 int i, offset, linelen, newblock;
13639 int movelen, numlen, blank;
13640 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13642 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13644 PrintPGNTags(f, &gameInfo);
13646 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13648 if (backwardMostMove > 0 || startedFromSetupPosition) {
13649 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13650 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13651 fprintf(f, "\n{--------------\n");
13652 PrintPosition(f, backwardMostMove);
13653 fprintf(f, "--------------}\n");
13657 /* [AS] Out of book annotation */
13658 if( appData.saveOutOfBookInfo ) {
13661 GetOutOfBookInfo( buf );
13663 if( buf[0] != '\0' ) {
13664 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13671 i = backwardMostMove;
13675 while (i < forwardMostMove) {
13676 /* Print comments preceding this move */
13677 if (commentList[i] != NULL) {
13678 if (linelen > 0) fprintf(f, "\n");
13679 fprintf(f, "%s", commentList[i]);
13684 /* Format move number */
13686 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13689 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13691 numtext[0] = NULLCHAR;
13693 numlen = strlen(numtext);
13696 /* Print move number */
13697 blank = linelen > 0 && numlen > 0;
13698 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13707 fprintf(f, "%s", numtext);
13711 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13712 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13715 blank = linelen > 0 && movelen > 0;
13716 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13725 fprintf(f, "%s", move_buffer);
13726 linelen += movelen;
13728 /* [AS] Add PV info if present */
13729 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13730 /* [HGM] add time */
13731 char buf[MSG_SIZ]; int seconds;
13733 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13739 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13742 seconds = (seconds + 4)/10; // round to full seconds
13744 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13746 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13749 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13750 pvInfoList[i].score >= 0 ? "+" : "",
13751 pvInfoList[i].score / 100.0,
13752 pvInfoList[i].depth,
13755 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13757 /* Print score/depth */
13758 blank = linelen > 0 && movelen > 0;
13759 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13768 fprintf(f, "%s", move_buffer);
13769 linelen += movelen;
13775 /* Start a new line */
13776 if (linelen > 0) fprintf(f, "\n");
13778 /* Print comments after last move */
13779 if (commentList[i] != NULL) {
13780 fprintf(f, "%s\n", commentList[i]);
13784 if (gameInfo.resultDetails != NULL &&
13785 gameInfo.resultDetails[0] != NULLCHAR) {
13786 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13787 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13788 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13789 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13790 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13792 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13796 /* Save game in PGN style and close the file */
13798 SaveGamePGN (FILE *f)
13802 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13806 /* Save game in old style and close the file */
13808 SaveGameOldStyle (FILE *f)
13813 tm = time((time_t *) NULL);
13815 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13818 if (backwardMostMove > 0 || startedFromSetupPosition) {
13819 fprintf(f, "\n[--------------\n");
13820 PrintPosition(f, backwardMostMove);
13821 fprintf(f, "--------------]\n");
13826 i = backwardMostMove;
13827 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13829 while (i < forwardMostMove) {
13830 if (commentList[i] != NULL) {
13831 fprintf(f, "[%s]\n", commentList[i]);
13834 if ((i % 2) == 1) {
13835 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13838 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13840 if (commentList[i] != NULL) {
13844 if (i >= forwardMostMove) {
13848 fprintf(f, "%s\n", parseList[i]);
13853 if (commentList[i] != NULL) {
13854 fprintf(f, "[%s]\n", commentList[i]);
13857 /* This isn't really the old style, but it's close enough */
13858 if (gameInfo.resultDetails != NULL &&
13859 gameInfo.resultDetails[0] != NULLCHAR) {
13860 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13861 gameInfo.resultDetails);
13863 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13870 /* Save the current game to open file f and close the file */
13872 SaveGame (FILE *f, int dummy, char *dummy2)
13874 if (gameMode == EditPosition) EditPositionDone(TRUE);
13875 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13876 if (appData.oldSaveStyle)
13877 return SaveGameOldStyle(f);
13879 return SaveGamePGN(f);
13882 /* Save the current position to the given file */
13884 SavePositionToFile (char *filename)
13889 if (strcmp(filename, "-") == 0) {
13890 return SavePosition(stdout, 0, NULL);
13892 f = fopen(filename, "a");
13894 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13895 DisplayError(buf, errno);
13898 safeStrCpy(buf, lastMsg, MSG_SIZ);
13899 DisplayMessage(_("Waiting for access to save file"), "");
13900 flock(fileno(f), LOCK_EX); // [HGM] lock
13901 DisplayMessage(_("Saving position"), "");
13902 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13903 SavePosition(f, 0, NULL);
13904 DisplayMessage(buf, "");
13910 /* Save the current position to the given open file and close the file */
13912 SavePosition (FILE *f, int dummy, char *dummy2)
13917 if (gameMode == EditPosition) EditPositionDone(TRUE);
13918 if (appData.oldSaveStyle) {
13919 tm = time((time_t *) NULL);
13921 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13923 fprintf(f, "[--------------\n");
13924 PrintPosition(f, currentMove);
13925 fprintf(f, "--------------]\n");
13927 fen = PositionToFEN(currentMove, NULL, 1);
13928 fprintf(f, "%s\n", fen);
13936 ReloadCmailMsgEvent (int unregister)
13939 static char *inFilename = NULL;
13940 static char *outFilename;
13942 struct stat inbuf, outbuf;
13945 /* Any registered moves are unregistered if unregister is set, */
13946 /* i.e. invoked by the signal handler */
13948 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13949 cmailMoveRegistered[i] = FALSE;
13950 if (cmailCommentList[i] != NULL) {
13951 free(cmailCommentList[i]);
13952 cmailCommentList[i] = NULL;
13955 nCmailMovesRegistered = 0;
13958 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13959 cmailResult[i] = CMAIL_NOT_RESULT;
13963 if (inFilename == NULL) {
13964 /* Because the filenames are static they only get malloced once */
13965 /* and they never get freed */
13966 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13967 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13969 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13970 sprintf(outFilename, "%s.out", appData.cmailGameName);
13973 status = stat(outFilename, &outbuf);
13975 cmailMailedMove = FALSE;
13977 status = stat(inFilename, &inbuf);
13978 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13981 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13982 counts the games, notes how each one terminated, etc.
13984 It would be nice to remove this kludge and instead gather all
13985 the information while building the game list. (And to keep it
13986 in the game list nodes instead of having a bunch of fixed-size
13987 parallel arrays.) Note this will require getting each game's
13988 termination from the PGN tags, as the game list builder does
13989 not process the game moves. --mann
13991 cmailMsgLoaded = TRUE;
13992 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13994 /* Load first game in the file or popup game menu */
13995 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13997 #endif /* !WIN32 */
14005 char string[MSG_SIZ];
14007 if ( cmailMailedMove
14008 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14009 return TRUE; /* Allow free viewing */
14012 /* Unregister move to ensure that we don't leave RegisterMove */
14013 /* with the move registered when the conditions for registering no */
14015 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14016 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14017 nCmailMovesRegistered --;
14019 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14021 free(cmailCommentList[lastLoadGameNumber - 1]);
14022 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14026 if (cmailOldMove == -1) {
14027 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14031 if (currentMove > cmailOldMove + 1) {
14032 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14036 if (currentMove < cmailOldMove) {
14037 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14041 if (forwardMostMove > currentMove) {
14042 /* Silently truncate extra moves */
14046 if ( (currentMove == cmailOldMove + 1)
14047 || ( (currentMove == cmailOldMove)
14048 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14049 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14050 if (gameInfo.result != GameUnfinished) {
14051 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14054 if (commentList[currentMove] != NULL) {
14055 cmailCommentList[lastLoadGameNumber - 1]
14056 = StrSave(commentList[currentMove]);
14058 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14060 if (appData.debugMode)
14061 fprintf(debugFP, "Saving %s for game %d\n",
14062 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14064 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14066 f = fopen(string, "w");
14067 if (appData.oldSaveStyle) {
14068 SaveGameOldStyle(f); /* also closes the file */
14070 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14071 f = fopen(string, "w");
14072 SavePosition(f, 0, NULL); /* also closes the file */
14074 fprintf(f, "{--------------\n");
14075 PrintPosition(f, currentMove);
14076 fprintf(f, "--------------}\n\n");
14078 SaveGame(f, 0, NULL); /* also closes the file*/
14081 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14082 nCmailMovesRegistered ++;
14083 } else if (nCmailGames == 1) {
14084 DisplayError(_("You have not made a move yet"), 0);
14095 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14096 FILE *commandOutput;
14097 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14098 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14104 if (! cmailMsgLoaded) {
14105 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14109 if (nCmailGames == nCmailResults) {
14110 DisplayError(_("No unfinished games"), 0);
14114 #if CMAIL_PROHIBIT_REMAIL
14115 if (cmailMailedMove) {
14116 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);
14117 DisplayError(msg, 0);
14122 if (! (cmailMailedMove || RegisterMove())) return;
14124 if ( cmailMailedMove
14125 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14126 snprintf(string, MSG_SIZ, partCommandString,
14127 appData.debugMode ? " -v" : "", appData.cmailGameName);
14128 commandOutput = popen(string, "r");
14130 if (commandOutput == NULL) {
14131 DisplayError(_("Failed to invoke cmail"), 0);
14133 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14134 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14136 if (nBuffers > 1) {
14137 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14138 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14139 nBytes = MSG_SIZ - 1;
14141 (void) memcpy(msg, buffer, nBytes);
14143 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14145 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14146 cmailMailedMove = TRUE; /* Prevent >1 moves */
14149 for (i = 0; i < nCmailGames; i ++) {
14150 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14155 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14157 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14159 appData.cmailGameName,
14161 LoadGameFromFile(buffer, 1, buffer, FALSE);
14162 cmailMsgLoaded = FALSE;
14166 DisplayInformation(msg);
14167 pclose(commandOutput);
14170 if ((*cmailMsg) != '\0') {
14171 DisplayInformation(cmailMsg);
14176 #endif /* !WIN32 */
14185 int prependComma = 0;
14187 char string[MSG_SIZ]; /* Space for game-list */
14190 if (!cmailMsgLoaded) return "";
14192 if (cmailMailedMove) {
14193 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14195 /* Create a list of games left */
14196 snprintf(string, MSG_SIZ, "[");
14197 for (i = 0; i < nCmailGames; i ++) {
14198 if (! ( cmailMoveRegistered[i]
14199 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14200 if (prependComma) {
14201 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14203 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14207 strcat(string, number);
14210 strcat(string, "]");
14212 if (nCmailMovesRegistered + nCmailResults == 0) {
14213 switch (nCmailGames) {
14215 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14219 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14223 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14228 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14230 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14235 if (nCmailResults == nCmailGames) {
14236 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14238 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14243 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14255 if (gameMode == Training)
14256 SetTrainingModeOff();
14259 cmailMsgLoaded = FALSE;
14260 if (appData.icsActive) {
14261 SendToICS(ics_prefix);
14262 SendToICS("refresh\n");
14267 ExitEvent (int status)
14271 /* Give up on clean exit */
14275 /* Keep trying for clean exit */
14279 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14280 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14282 if (telnetISR != NULL) {
14283 RemoveInputSource(telnetISR);
14285 if (icsPR != NoProc) {
14286 DestroyChildProcess(icsPR, TRUE);
14289 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14290 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14292 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14293 /* make sure this other one finishes before killing it! */
14294 if(endingGame) { int count = 0;
14295 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14296 while(endingGame && count++ < 10) DoSleep(1);
14297 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14300 /* Kill off chess programs */
14301 if (first.pr != NoProc) {
14304 DoSleep( appData.delayBeforeQuit );
14305 SendToProgram("quit\n", &first);
14306 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14308 if (second.pr != NoProc) {
14309 DoSleep( appData.delayBeforeQuit );
14310 SendToProgram("quit\n", &second);
14311 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14313 if (first.isr != NULL) {
14314 RemoveInputSource(first.isr);
14316 if (second.isr != NULL) {
14317 RemoveInputSource(second.isr);
14320 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14321 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14323 ShutDownFrontEnd();
14328 PauseEngine (ChessProgramState *cps)
14330 SendToProgram("pause\n", cps);
14335 UnPauseEngine (ChessProgramState *cps)
14337 SendToProgram("resume\n", cps);
14344 if (appData.debugMode)
14345 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14349 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14351 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14352 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14353 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14355 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14356 HandleMachineMove(stashedInputMove, stalledEngine);
14357 stalledEngine = NULL;
14360 if (gameMode == MachinePlaysWhite ||
14361 gameMode == TwoMachinesPlay ||
14362 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14363 if(first.pause) UnPauseEngine(&first);
14364 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14365 if(second.pause) UnPauseEngine(&second);
14366 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14369 DisplayBothClocks();
14371 if (gameMode == PlayFromGameFile) {
14372 if (appData.timeDelay >= 0)
14373 AutoPlayGameLoop();
14374 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14375 Reset(FALSE, TRUE);
14376 SendToICS(ics_prefix);
14377 SendToICS("refresh\n");
14378 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14379 ForwardInner(forwardMostMove);
14381 pauseExamInvalid = FALSE;
14383 switch (gameMode) {
14387 pauseExamForwardMostMove = forwardMostMove;
14388 pauseExamInvalid = FALSE;
14391 case IcsPlayingWhite:
14392 case IcsPlayingBlack:
14396 case PlayFromGameFile:
14397 (void) StopLoadGameTimer();
14401 case BeginningOfGame:
14402 if (appData.icsActive) return;
14403 /* else fall through */
14404 case MachinePlaysWhite:
14405 case MachinePlaysBlack:
14406 case TwoMachinesPlay:
14407 if (forwardMostMove == 0)
14408 return; /* don't pause if no one has moved */
14409 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14410 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14411 if(onMove->pause) { // thinking engine can be paused
14412 PauseEngine(onMove); // do it
14413 if(onMove->other->pause) // pondering opponent can always be paused immediately
14414 PauseEngine(onMove->other);
14416 SendToProgram("easy\n", onMove->other);
14418 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14419 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14421 PauseEngine(&first);
14423 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14424 } else { // human on move, pause pondering by either method
14426 PauseEngine(&first);
14427 else if(appData.ponderNextMove)
14428 SendToProgram("easy\n", &first);
14431 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14441 EditCommentEvent ()
14443 char title[MSG_SIZ];
14445 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14446 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14448 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14449 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14450 parseList[currentMove - 1]);
14453 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14460 char *tags = PGNTags(&gameInfo);
14462 EditTagsPopUp(tags, NULL);
14469 if(second.analyzing) {
14470 SendToProgram("exit\n", &second);
14471 second.analyzing = FALSE;
14473 if (second.pr == NoProc) StartChessProgram(&second);
14474 InitChessProgram(&second, FALSE);
14475 FeedMovesToProgram(&second, currentMove);
14477 SendToProgram("analyze\n", &second);
14478 second.analyzing = TRUE;
14482 /* Toggle ShowThinking */
14484 ToggleShowThinking()
14486 appData.showThinking = !appData.showThinking;
14487 ShowThinkingEvent();
14491 AnalyzeModeEvent ()
14495 if (!first.analysisSupport) {
14496 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14497 DisplayError(buf, 0);
14500 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14501 if (appData.icsActive) {
14502 if (gameMode != IcsObserving) {
14503 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14504 DisplayError(buf, 0);
14506 if (appData.icsEngineAnalyze) {
14507 if (appData.debugMode)
14508 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14514 /* if enable, user wants to disable icsEngineAnalyze */
14515 if (appData.icsEngineAnalyze) {
14520 appData.icsEngineAnalyze = TRUE;
14521 if (appData.debugMode)
14522 fprintf(debugFP, "ICS engine analyze starting... \n");
14525 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14526 if (appData.noChessProgram || gameMode == AnalyzeMode)
14529 if (gameMode != AnalyzeFile) {
14530 if (!appData.icsEngineAnalyze) {
14532 if (gameMode != EditGame) return 0;
14534 if (!appData.showThinking) ToggleShowThinking();
14535 ResurrectChessProgram();
14536 SendToProgram("analyze\n", &first);
14537 first.analyzing = TRUE;
14538 /*first.maybeThinking = TRUE;*/
14539 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14540 EngineOutputPopUp();
14542 if (!appData.icsEngineAnalyze) {
14543 gameMode = AnalyzeMode;
14544 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14550 StartAnalysisClock();
14551 GetTimeMark(&lastNodeCountTime);
14557 AnalyzeFileEvent ()
14559 if (appData.noChessProgram || gameMode == AnalyzeFile)
14562 if (!first.analysisSupport) {
14564 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14565 DisplayError(buf, 0);
14569 if (gameMode != AnalyzeMode) {
14570 keepInfo = 1; // mere annotating should not alter PGN tags
14573 if (gameMode != EditGame) return;
14574 if (!appData.showThinking) ToggleShowThinking();
14575 ResurrectChessProgram();
14576 SendToProgram("analyze\n", &first);
14577 first.analyzing = TRUE;
14578 /*first.maybeThinking = TRUE;*/
14579 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14580 EngineOutputPopUp();
14582 gameMode = AnalyzeFile;
14586 StartAnalysisClock();
14587 GetTimeMark(&lastNodeCountTime);
14589 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14590 AnalysisPeriodicEvent(1);
14594 MachineWhiteEvent ()
14597 char *bookHit = NULL;
14599 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14603 if (gameMode == PlayFromGameFile ||
14604 gameMode == TwoMachinesPlay ||
14605 gameMode == Training ||
14606 gameMode == AnalyzeMode ||
14607 gameMode == EndOfGame)
14610 if (gameMode == EditPosition)
14611 EditPositionDone(TRUE);
14613 if (!WhiteOnMove(currentMove)) {
14614 DisplayError(_("It is not White's turn"), 0);
14618 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14621 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14622 gameMode == AnalyzeFile)
14625 ResurrectChessProgram(); /* in case it isn't running */
14626 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14627 gameMode = MachinePlaysWhite;
14630 gameMode = MachinePlaysWhite;
14634 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14636 if (first.sendName) {
14637 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14638 SendToProgram(buf, &first);
14640 if (first.sendTime) {
14641 if (first.useColors) {
14642 SendToProgram("black\n", &first); /*gnu kludge*/
14644 SendTimeRemaining(&first, TRUE);
14646 if (first.useColors) {
14647 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14649 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14650 SetMachineThinkingEnables();
14651 first.maybeThinking = TRUE;
14655 if (appData.autoFlipView && !flipView) {
14656 flipView = !flipView;
14657 DrawPosition(FALSE, NULL);
14658 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14661 if(bookHit) { // [HGM] book: simulate book reply
14662 static char bookMove[MSG_SIZ]; // a bit generous?
14664 programStats.nodes = programStats.depth = programStats.time =
14665 programStats.score = programStats.got_only_move = 0;
14666 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14668 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14669 strcat(bookMove, bookHit);
14670 HandleMachineMove(bookMove, &first);
14675 MachineBlackEvent ()
14678 char *bookHit = NULL;
14680 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14684 if (gameMode == PlayFromGameFile ||
14685 gameMode == TwoMachinesPlay ||
14686 gameMode == Training ||
14687 gameMode == AnalyzeMode ||
14688 gameMode == EndOfGame)
14691 if (gameMode == EditPosition)
14692 EditPositionDone(TRUE);
14694 if (WhiteOnMove(currentMove)) {
14695 DisplayError(_("It is not Black's turn"), 0);
14699 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14702 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14703 gameMode == AnalyzeFile)
14706 ResurrectChessProgram(); /* in case it isn't running */
14707 gameMode = MachinePlaysBlack;
14711 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14713 if (first.sendName) {
14714 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14715 SendToProgram(buf, &first);
14717 if (first.sendTime) {
14718 if (first.useColors) {
14719 SendToProgram("white\n", &first); /*gnu kludge*/
14721 SendTimeRemaining(&first, FALSE);
14723 if (first.useColors) {
14724 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14726 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14727 SetMachineThinkingEnables();
14728 first.maybeThinking = TRUE;
14731 if (appData.autoFlipView && flipView) {
14732 flipView = !flipView;
14733 DrawPosition(FALSE, NULL);
14734 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14736 if(bookHit) { // [HGM] book: simulate book reply
14737 static char bookMove[MSG_SIZ]; // a bit generous?
14739 programStats.nodes = programStats.depth = programStats.time =
14740 programStats.score = programStats.got_only_move = 0;
14741 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14743 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14744 strcat(bookMove, bookHit);
14745 HandleMachineMove(bookMove, &first);
14751 DisplayTwoMachinesTitle ()
14754 if (appData.matchGames > 0) {
14755 if(appData.tourneyFile[0]) {
14756 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14757 gameInfo.white, _("vs."), gameInfo.black,
14758 nextGame+1, appData.matchGames+1,
14759 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14761 if (first.twoMachinesColor[0] == 'w') {
14762 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14763 gameInfo.white, _("vs."), gameInfo.black,
14764 first.matchWins, second.matchWins,
14765 matchGame - 1 - (first.matchWins + second.matchWins));
14767 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14768 gameInfo.white, _("vs."), gameInfo.black,
14769 second.matchWins, first.matchWins,
14770 matchGame - 1 - (first.matchWins + second.matchWins));
14773 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14779 SettingsMenuIfReady ()
14781 if (second.lastPing != second.lastPong) {
14782 DisplayMessage("", _("Waiting for second chess program"));
14783 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14787 DisplayMessage("", "");
14788 SettingsPopUp(&second);
14792 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14795 if (cps->pr == NoProc) {
14796 StartChessProgram(cps);
14797 if (cps->protocolVersion == 1) {
14799 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14801 /* kludge: allow timeout for initial "feature" command */
14802 if(retry != TwoMachinesEventIfReady) FreezeUI();
14803 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14804 DisplayMessage("", buf);
14805 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14813 TwoMachinesEvent P((void))
14817 ChessProgramState *onmove;
14818 char *bookHit = NULL;
14819 static int stalling = 0;
14823 if (appData.noChessProgram) return;
14825 switch (gameMode) {
14826 case TwoMachinesPlay:
14828 case MachinePlaysWhite:
14829 case MachinePlaysBlack:
14830 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14831 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14835 case BeginningOfGame:
14836 case PlayFromGameFile:
14839 if (gameMode != EditGame) return;
14842 EditPositionDone(TRUE);
14853 // forwardMostMove = currentMove;
14854 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14855 startingEngine = TRUE;
14857 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14859 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14860 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14861 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14864 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14866 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14867 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14868 startingEngine = matchMode = FALSE;
14869 DisplayError("second engine does not play this", 0);
14870 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14871 EditGameEvent(); // switch back to EditGame mode
14876 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14877 SendToProgram("force\n", &second);
14879 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14882 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14883 if(appData.matchPause>10000 || appData.matchPause<10)
14884 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14885 wait = SubtractTimeMarks(&now, &pauseStart);
14886 if(wait < appData.matchPause) {
14887 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14890 // we are now committed to starting the game
14892 DisplayMessage("", "");
14893 if (startedFromSetupPosition) {
14894 SendBoard(&second, backwardMostMove);
14895 if (appData.debugMode) {
14896 fprintf(debugFP, "Two Machines\n");
14899 for (i = backwardMostMove; i < forwardMostMove; i++) {
14900 SendMoveToProgram(i, &second);
14903 gameMode = TwoMachinesPlay;
14904 pausing = startingEngine = FALSE;
14905 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14907 DisplayTwoMachinesTitle();
14909 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14914 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14915 SendToProgram(first.computerString, &first);
14916 if (first.sendName) {
14917 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14918 SendToProgram(buf, &first);
14920 SendToProgram(second.computerString, &second);
14921 if (second.sendName) {
14922 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14923 SendToProgram(buf, &second);
14927 if (!first.sendTime || !second.sendTime) {
14928 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14929 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14931 if (onmove->sendTime) {
14932 if (onmove->useColors) {
14933 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14935 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14937 if (onmove->useColors) {
14938 SendToProgram(onmove->twoMachinesColor, onmove);
14940 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14941 // SendToProgram("go\n", onmove);
14942 onmove->maybeThinking = TRUE;
14943 SetMachineThinkingEnables();
14947 if(bookHit) { // [HGM] book: simulate book reply
14948 static char bookMove[MSG_SIZ]; // a bit generous?
14950 programStats.nodes = programStats.depth = programStats.time =
14951 programStats.score = programStats.got_only_move = 0;
14952 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14954 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14955 strcat(bookMove, bookHit);
14956 savedMessage = bookMove; // args for deferred call
14957 savedState = onmove;
14958 ScheduleDelayedEvent(DeferredBookMove, 1);
14965 if (gameMode == Training) {
14966 SetTrainingModeOff();
14967 gameMode = PlayFromGameFile;
14968 DisplayMessage("", _("Training mode off"));
14970 gameMode = Training;
14971 animateTraining = appData.animate;
14973 /* make sure we are not already at the end of the game */
14974 if (currentMove < forwardMostMove) {
14975 SetTrainingModeOn();
14976 DisplayMessage("", _("Training mode on"));
14978 gameMode = PlayFromGameFile;
14979 DisplayError(_("Already at end of game"), 0);
14988 if (!appData.icsActive) return;
14989 switch (gameMode) {
14990 case IcsPlayingWhite:
14991 case IcsPlayingBlack:
14994 case BeginningOfGame:
15002 EditPositionDone(TRUE);
15015 gameMode = IcsIdle;
15025 switch (gameMode) {
15027 SetTrainingModeOff();
15029 case MachinePlaysWhite:
15030 case MachinePlaysBlack:
15031 case BeginningOfGame:
15032 SendToProgram("force\n", &first);
15033 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15034 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15036 abortEngineThink = TRUE;
15037 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15038 SendToProgram(buf, &first);
15039 DisplayMessage("Aborting engine think", "");
15043 SetUserThinkingEnables();
15045 case PlayFromGameFile:
15046 (void) StopLoadGameTimer();
15047 if (gameFileFP != NULL) {
15052 EditPositionDone(TRUE);
15057 SendToProgram("force\n", &first);
15059 case TwoMachinesPlay:
15060 GameEnds(EndOfFile, NULL, GE_PLAYER);
15061 ResurrectChessProgram();
15062 SetUserThinkingEnables();
15065 ResurrectChessProgram();
15067 case IcsPlayingBlack:
15068 case IcsPlayingWhite:
15069 DisplayError(_("Warning: You are still playing a game"), 0);
15072 DisplayError(_("Warning: You are still observing a game"), 0);
15075 DisplayError(_("Warning: You are still examining a game"), 0);
15086 first.offeredDraw = second.offeredDraw = 0;
15088 if (gameMode == PlayFromGameFile) {
15089 whiteTimeRemaining = timeRemaining[0][currentMove];
15090 blackTimeRemaining = timeRemaining[1][currentMove];
15094 if (gameMode == MachinePlaysWhite ||
15095 gameMode == MachinePlaysBlack ||
15096 gameMode == TwoMachinesPlay ||
15097 gameMode == EndOfGame) {
15098 i = forwardMostMove;
15099 while (i > currentMove) {
15100 SendToProgram("undo\n", &first);
15103 if(!adjustedClock) {
15104 whiteTimeRemaining = timeRemaining[0][currentMove];
15105 blackTimeRemaining = timeRemaining[1][currentMove];
15106 DisplayBothClocks();
15108 if (whiteFlag || blackFlag) {
15109 whiteFlag = blackFlag = 0;
15114 gameMode = EditGame;
15121 EditPositionEvent ()
15123 if (gameMode == EditPosition) {
15129 if (gameMode != EditGame) return;
15131 gameMode = EditPosition;
15134 if (currentMove > 0)
15135 CopyBoard(boards[0], boards[currentMove]);
15137 blackPlaysFirst = !WhiteOnMove(currentMove);
15139 currentMove = forwardMostMove = backwardMostMove = 0;
15140 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15142 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15148 /* [DM] icsEngineAnalyze - possible call from other functions */
15149 if (appData.icsEngineAnalyze) {
15150 appData.icsEngineAnalyze = FALSE;
15152 DisplayMessage("",_("Close ICS engine analyze..."));
15154 if (first.analysisSupport && first.analyzing) {
15155 SendToBoth("exit\n");
15156 first.analyzing = second.analyzing = FALSE;
15158 thinkOutput[0] = NULLCHAR;
15162 EditPositionDone (Boolean fakeRights)
15164 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15166 startedFromSetupPosition = TRUE;
15167 InitChessProgram(&first, FALSE);
15168 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15169 boards[0][EP_STATUS] = EP_NONE;
15170 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15171 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15172 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15173 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15174 } else boards[0][CASTLING][2] = NoRights;
15175 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15176 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15177 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15178 } else boards[0][CASTLING][5] = NoRights;
15179 if(gameInfo.variant == VariantSChess) {
15181 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15182 boards[0][VIRGIN][i] = 0;
15183 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15184 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15188 SendToProgram("force\n", &first);
15189 if (blackPlaysFirst) {
15190 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15191 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15192 currentMove = forwardMostMove = backwardMostMove = 1;
15193 CopyBoard(boards[1], boards[0]);
15195 currentMove = forwardMostMove = backwardMostMove = 0;
15197 SendBoard(&first, forwardMostMove);
15198 if (appData.debugMode) {
15199 fprintf(debugFP, "EditPosDone\n");
15202 DisplayMessage("", "");
15203 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15204 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15205 gameMode = EditGame;
15207 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15208 ClearHighlights(); /* [AS] */
15211 /* Pause for `ms' milliseconds */
15212 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15214 TimeDelay (long ms)
15221 } while (SubtractTimeMarks(&m2, &m1) < ms);
15224 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15226 SendMultiLineToICS (char *buf)
15228 char temp[MSG_SIZ+1], *p;
15235 strncpy(temp, buf, len);
15240 if (*p == '\n' || *p == '\r')
15245 strcat(temp, "\n");
15247 SendToPlayer(temp, strlen(temp));
15251 SetWhiteToPlayEvent ()
15253 if (gameMode == EditPosition) {
15254 blackPlaysFirst = FALSE;
15255 DisplayBothClocks(); /* works because currentMove is 0 */
15256 } else if (gameMode == IcsExamining) {
15257 SendToICS(ics_prefix);
15258 SendToICS("tomove white\n");
15263 SetBlackToPlayEvent ()
15265 if (gameMode == EditPosition) {
15266 blackPlaysFirst = TRUE;
15267 currentMove = 1; /* kludge */
15268 DisplayBothClocks();
15270 } else if (gameMode == IcsExamining) {
15271 SendToICS(ics_prefix);
15272 SendToICS("tomove black\n");
15277 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15280 ChessSquare piece = boards[0][y][x];
15281 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15282 static int lastVariant;
15284 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15286 switch (selection) {
15288 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15289 MarkTargetSquares(1);
15290 CopyBoard(currentBoard, boards[0]);
15291 CopyBoard(menuBoard, initialPosition);
15292 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15293 SendToICS(ics_prefix);
15294 SendToICS("bsetup clear\n");
15295 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15296 SendToICS(ics_prefix);
15297 SendToICS("clearboard\n");
15300 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15301 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15302 for (y = 0; y < BOARD_HEIGHT; y++) {
15303 if (gameMode == IcsExamining) {
15304 if (boards[currentMove][y][x] != EmptySquare) {
15305 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15309 } else if(boards[0][y][x] != DarkSquare) {
15310 if(boards[0][y][x] != p) nonEmpty++;
15311 boards[0][y][x] = p;
15315 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15317 for(r = 0; r < BOARD_HEIGHT; r++) {
15318 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15319 ChessSquare p = menuBoard[r][x];
15320 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15323 DisplayMessage("Clicking clock again restores position", "");
15324 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15325 if(!nonEmpty) { // asked to clear an empty board
15326 CopyBoard(boards[0], menuBoard);
15328 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15329 CopyBoard(boards[0], initialPosition);
15331 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15332 && !CompareBoards(nullBoard, erasedBoard)) {
15333 CopyBoard(boards[0], erasedBoard);
15335 CopyBoard(erasedBoard, currentBoard);
15339 if (gameMode == EditPosition) {
15340 DrawPosition(FALSE, boards[0]);
15345 SetWhiteToPlayEvent();
15349 SetBlackToPlayEvent();
15353 if (gameMode == IcsExamining) {
15354 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15355 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15358 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15359 if(x == BOARD_LEFT-2) {
15360 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15361 boards[0][y][1] = 0;
15363 if(x == BOARD_RGHT+1) {
15364 if(y >= gameInfo.holdingsSize) break;
15365 boards[0][y][BOARD_WIDTH-2] = 0;
15368 boards[0][y][x] = EmptySquare;
15369 DrawPosition(FALSE, boards[0]);
15374 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15375 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15376 selection = (ChessSquare) (PROMOTED piece);
15377 } else if(piece == EmptySquare) selection = WhiteSilver;
15378 else selection = (ChessSquare)((int)piece - 1);
15382 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15383 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15384 selection = (ChessSquare) (DEMOTED piece);
15385 } else if(piece == EmptySquare) selection = BlackSilver;
15386 else selection = (ChessSquare)((int)piece + 1);
15391 if(gameInfo.variant == VariantShatranj ||
15392 gameInfo.variant == VariantXiangqi ||
15393 gameInfo.variant == VariantCourier ||
15394 gameInfo.variant == VariantASEAN ||
15395 gameInfo.variant == VariantMakruk )
15396 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15401 if(gameInfo.variant == VariantXiangqi)
15402 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15403 if(gameInfo.variant == VariantKnightmate)
15404 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15407 if (gameMode == IcsExamining) {
15408 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15409 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15410 PieceToChar(selection), AAA + x, ONE + y);
15413 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15415 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15416 n = PieceToNumber(selection - BlackPawn);
15417 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15418 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15419 boards[0][BOARD_HEIGHT-1-n][1]++;
15421 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15422 n = PieceToNumber(selection);
15423 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15424 boards[0][n][BOARD_WIDTH-1] = selection;
15425 boards[0][n][BOARD_WIDTH-2]++;
15428 boards[0][y][x] = selection;
15429 DrawPosition(TRUE, boards[0]);
15431 fromX = fromY = -1;
15439 DropMenuEvent (ChessSquare selection, int x, int y)
15441 ChessMove moveType;
15443 switch (gameMode) {
15444 case IcsPlayingWhite:
15445 case MachinePlaysBlack:
15446 if (!WhiteOnMove(currentMove)) {
15447 DisplayMoveError(_("It is Black's turn"));
15450 moveType = WhiteDrop;
15452 case IcsPlayingBlack:
15453 case MachinePlaysWhite:
15454 if (WhiteOnMove(currentMove)) {
15455 DisplayMoveError(_("It is White's turn"));
15458 moveType = BlackDrop;
15461 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15467 if (moveType == BlackDrop && selection < BlackPawn) {
15468 selection = (ChessSquare) ((int) selection
15469 + (int) BlackPawn - (int) WhitePawn);
15471 if (boards[currentMove][y][x] != EmptySquare) {
15472 DisplayMoveError(_("That square is occupied"));
15476 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15482 /* Accept a pending offer of any kind from opponent */
15484 if (appData.icsActive) {
15485 SendToICS(ics_prefix);
15486 SendToICS("accept\n");
15487 } else if (cmailMsgLoaded) {
15488 if (currentMove == cmailOldMove &&
15489 commentList[cmailOldMove] != NULL &&
15490 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15491 "Black offers a draw" : "White offers a draw")) {
15493 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15494 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15496 DisplayError(_("There is no pending offer on this move"), 0);
15497 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15500 /* Not used for offers from chess program */
15507 /* Decline a pending offer of any kind from opponent */
15509 if (appData.icsActive) {
15510 SendToICS(ics_prefix);
15511 SendToICS("decline\n");
15512 } else if (cmailMsgLoaded) {
15513 if (currentMove == cmailOldMove &&
15514 commentList[cmailOldMove] != NULL &&
15515 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15516 "Black offers a draw" : "White offers a draw")) {
15518 AppendComment(cmailOldMove, "Draw declined", TRUE);
15519 DisplayComment(cmailOldMove - 1, "Draw declined");
15522 DisplayError(_("There is no pending offer on this move"), 0);
15525 /* Not used for offers from chess program */
15532 /* Issue ICS rematch command */
15533 if (appData.icsActive) {
15534 SendToICS(ics_prefix);
15535 SendToICS("rematch\n");
15542 /* Call your opponent's flag (claim a win on time) */
15543 if (appData.icsActive) {
15544 SendToICS(ics_prefix);
15545 SendToICS("flag\n");
15547 switch (gameMode) {
15550 case MachinePlaysWhite:
15553 GameEnds(GameIsDrawn, "Both players ran out of time",
15556 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15558 DisplayError(_("Your opponent is not out of time"), 0);
15561 case MachinePlaysBlack:
15564 GameEnds(GameIsDrawn, "Both players ran out of time",
15567 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15569 DisplayError(_("Your opponent is not out of time"), 0);
15577 ClockClick (int which)
15578 { // [HGM] code moved to back-end from winboard.c
15579 if(which) { // black clock
15580 if (gameMode == EditPosition || gameMode == IcsExamining) {
15581 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15582 SetBlackToPlayEvent();
15583 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15584 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15585 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15586 } else if (shiftKey) {
15587 AdjustClock(which, -1);
15588 } else if (gameMode == IcsPlayingWhite ||
15589 gameMode == MachinePlaysBlack) {
15592 } else { // white clock
15593 if (gameMode == EditPosition || gameMode == IcsExamining) {
15594 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15595 SetWhiteToPlayEvent();
15596 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15597 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15598 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15599 } else if (shiftKey) {
15600 AdjustClock(which, -1);
15601 } else if (gameMode == IcsPlayingBlack ||
15602 gameMode == MachinePlaysWhite) {
15611 /* Offer draw or accept pending draw offer from opponent */
15613 if (appData.icsActive) {
15614 /* Note: tournament rules require draw offers to be
15615 made after you make your move but before you punch
15616 your clock. Currently ICS doesn't let you do that;
15617 instead, you immediately punch your clock after making
15618 a move, but you can offer a draw at any time. */
15620 SendToICS(ics_prefix);
15621 SendToICS("draw\n");
15622 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15623 } else if (cmailMsgLoaded) {
15624 if (currentMove == cmailOldMove &&
15625 commentList[cmailOldMove] != NULL &&
15626 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15627 "Black offers a draw" : "White offers a draw")) {
15628 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15629 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15630 } else if (currentMove == cmailOldMove + 1) {
15631 char *offer = WhiteOnMove(cmailOldMove) ?
15632 "White offers a draw" : "Black offers a draw";
15633 AppendComment(currentMove, offer, TRUE);
15634 DisplayComment(currentMove - 1, offer);
15635 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15637 DisplayError(_("You must make your move before offering a draw"), 0);
15638 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15640 } else if (first.offeredDraw) {
15641 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15643 if (first.sendDrawOffers) {
15644 SendToProgram("draw\n", &first);
15645 userOfferedDraw = TRUE;
15653 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15655 if (appData.icsActive) {
15656 SendToICS(ics_prefix);
15657 SendToICS("adjourn\n");
15659 /* Currently GNU Chess doesn't offer or accept Adjourns */
15667 /* Offer Abort or accept pending Abort offer from opponent */
15669 if (appData.icsActive) {
15670 SendToICS(ics_prefix);
15671 SendToICS("abort\n");
15673 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15680 /* Resign. You can do this even if it's not your turn. */
15682 if (appData.icsActive) {
15683 SendToICS(ics_prefix);
15684 SendToICS("resign\n");
15686 switch (gameMode) {
15687 case MachinePlaysWhite:
15688 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15690 case MachinePlaysBlack:
15691 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15694 if (cmailMsgLoaded) {
15696 if (WhiteOnMove(cmailOldMove)) {
15697 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15699 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15701 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15712 StopObservingEvent ()
15714 /* Stop observing current games */
15715 SendToICS(ics_prefix);
15716 SendToICS("unobserve\n");
15720 StopExaminingEvent ()
15722 /* Stop observing current game */
15723 SendToICS(ics_prefix);
15724 SendToICS("unexamine\n");
15728 ForwardInner (int target)
15730 int limit; int oldSeekGraphUp = seekGraphUp;
15732 if (appData.debugMode)
15733 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15734 target, currentMove, forwardMostMove);
15736 if (gameMode == EditPosition)
15739 seekGraphUp = FALSE;
15740 MarkTargetSquares(1);
15741 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15743 if (gameMode == PlayFromGameFile && !pausing)
15746 if (gameMode == IcsExamining && pausing)
15747 limit = pauseExamForwardMostMove;
15749 limit = forwardMostMove;
15751 if (target > limit) target = limit;
15753 if (target > 0 && moveList[target - 1][0]) {
15754 int fromX, fromY, toX, toY;
15755 toX = moveList[target - 1][2] - AAA;
15756 toY = moveList[target - 1][3] - ONE;
15757 if (moveList[target - 1][1] == '@') {
15758 if (appData.highlightLastMove) {
15759 SetHighlights(-1, -1, toX, toY);
15762 int viaX = moveList[target - 1][5] - AAA;
15763 int viaY = moveList[target - 1][6] - ONE;
15764 fromX = moveList[target - 1][0] - AAA;
15765 fromY = moveList[target - 1][1] - ONE;
15766 if (target == currentMove + 1) {
15767 if(moveList[target - 1][4] == ';') { // multi-leg
15768 ChessSquare piece = boards[currentMove][viaY][viaX];
15769 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15770 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15771 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15772 boards[currentMove][viaY][viaX] = piece;
15774 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15776 if (appData.highlightLastMove) {
15777 SetHighlights(fromX, fromY, toX, toY);
15781 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15782 gameMode == Training || gameMode == PlayFromGameFile ||
15783 gameMode == AnalyzeFile) {
15784 while (currentMove < target) {
15785 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15786 SendMoveToProgram(currentMove++, &first);
15789 currentMove = target;
15792 if (gameMode == EditGame || gameMode == EndOfGame) {
15793 whiteTimeRemaining = timeRemaining[0][currentMove];
15794 blackTimeRemaining = timeRemaining[1][currentMove];
15796 DisplayBothClocks();
15797 DisplayMove(currentMove - 1);
15798 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15799 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15800 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15801 DisplayComment(currentMove - 1, commentList[currentMove]);
15803 ClearMap(); // [HGM] exclude: invalidate map
15810 if (gameMode == IcsExamining && !pausing) {
15811 SendToICS(ics_prefix);
15812 SendToICS("forward\n");
15814 ForwardInner(currentMove + 1);
15821 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15822 /* to optimze, we temporarily turn off analysis mode while we feed
15823 * the remaining moves to the engine. Otherwise we get analysis output
15826 if (first.analysisSupport) {
15827 SendToProgram("exit\nforce\n", &first);
15828 first.analyzing = FALSE;
15832 if (gameMode == IcsExamining && !pausing) {
15833 SendToICS(ics_prefix);
15834 SendToICS("forward 999999\n");
15836 ForwardInner(forwardMostMove);
15839 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15840 /* we have fed all the moves, so reactivate analysis mode */
15841 SendToProgram("analyze\n", &first);
15842 first.analyzing = TRUE;
15843 /*first.maybeThinking = TRUE;*/
15844 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15849 BackwardInner (int target)
15851 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15853 if (appData.debugMode)
15854 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15855 target, currentMove, forwardMostMove);
15857 if (gameMode == EditPosition) return;
15858 seekGraphUp = FALSE;
15859 MarkTargetSquares(1);
15860 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15861 if (currentMove <= backwardMostMove) {
15863 DrawPosition(full_redraw, boards[currentMove]);
15866 if (gameMode == PlayFromGameFile && !pausing)
15869 if (moveList[target][0]) {
15870 int fromX, fromY, toX, toY;
15871 toX = moveList[target][2] - AAA;
15872 toY = moveList[target][3] - ONE;
15873 if (moveList[target][1] == '@') {
15874 if (appData.highlightLastMove) {
15875 SetHighlights(-1, -1, toX, toY);
15878 fromX = moveList[target][0] - AAA;
15879 fromY = moveList[target][1] - ONE;
15880 if (target == currentMove - 1) {
15881 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15883 if (appData.highlightLastMove) {
15884 SetHighlights(fromX, fromY, toX, toY);
15888 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15889 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15890 while (currentMove > target) {
15891 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15892 // null move cannot be undone. Reload program with move history before it.
15894 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15895 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15897 SendBoard(&first, i);
15898 if(second.analyzing) SendBoard(&second, i);
15899 for(currentMove=i; currentMove<target; currentMove++) {
15900 SendMoveToProgram(currentMove, &first);
15901 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15905 SendToBoth("undo\n");
15909 currentMove = target;
15912 if (gameMode == EditGame || gameMode == EndOfGame) {
15913 whiteTimeRemaining = timeRemaining[0][currentMove];
15914 blackTimeRemaining = timeRemaining[1][currentMove];
15916 DisplayBothClocks();
15917 DisplayMove(currentMove - 1);
15918 DrawPosition(full_redraw, boards[currentMove]);
15919 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15920 // [HGM] PV info: routine tests if comment empty
15921 DisplayComment(currentMove - 1, commentList[currentMove]);
15922 ClearMap(); // [HGM] exclude: invalidate map
15928 if (gameMode == IcsExamining && !pausing) {
15929 SendToICS(ics_prefix);
15930 SendToICS("backward\n");
15932 BackwardInner(currentMove - 1);
15939 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15940 /* to optimize, we temporarily turn off analysis mode while we undo
15941 * all the moves. Otherwise we get analysis output after each undo.
15943 if (first.analysisSupport) {
15944 SendToProgram("exit\nforce\n", &first);
15945 first.analyzing = FALSE;
15949 if (gameMode == IcsExamining && !pausing) {
15950 SendToICS(ics_prefix);
15951 SendToICS("backward 999999\n");
15953 BackwardInner(backwardMostMove);
15956 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15957 /* we have fed all the moves, so reactivate analysis mode */
15958 SendToProgram("analyze\n", &first);
15959 first.analyzing = TRUE;
15960 /*first.maybeThinking = TRUE;*/
15961 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15968 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15969 if (to >= forwardMostMove) to = forwardMostMove;
15970 if (to <= backwardMostMove) to = backwardMostMove;
15971 if (to < currentMove) {
15979 RevertEvent (Boolean annotate)
15981 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15984 if (gameMode != IcsExamining) {
15985 DisplayError(_("You are not examining a game"), 0);
15989 DisplayError(_("You can't revert while pausing"), 0);
15992 SendToICS(ics_prefix);
15993 SendToICS("revert\n");
15997 RetractMoveEvent ()
15999 switch (gameMode) {
16000 case MachinePlaysWhite:
16001 case MachinePlaysBlack:
16002 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16003 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16006 if (forwardMostMove < 2) return;
16007 currentMove = forwardMostMove = forwardMostMove - 2;
16008 whiteTimeRemaining = timeRemaining[0][currentMove];
16009 blackTimeRemaining = timeRemaining[1][currentMove];
16010 DisplayBothClocks();
16011 DisplayMove(currentMove - 1);
16012 ClearHighlights();/*!! could figure this out*/
16013 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16014 SendToProgram("remove\n", &first);
16015 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16018 case BeginningOfGame:
16022 case IcsPlayingWhite:
16023 case IcsPlayingBlack:
16024 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16025 SendToICS(ics_prefix);
16026 SendToICS("takeback 2\n");
16028 SendToICS(ics_prefix);
16029 SendToICS("takeback 1\n");
16038 ChessProgramState *cps;
16040 switch (gameMode) {
16041 case MachinePlaysWhite:
16042 if (!WhiteOnMove(forwardMostMove)) {
16043 DisplayError(_("It is your turn"), 0);
16048 case MachinePlaysBlack:
16049 if (WhiteOnMove(forwardMostMove)) {
16050 DisplayError(_("It is your turn"), 0);
16055 case TwoMachinesPlay:
16056 if (WhiteOnMove(forwardMostMove) ==
16057 (first.twoMachinesColor[0] == 'w')) {
16063 case BeginningOfGame:
16067 SendToProgram("?\n", cps);
16071 TruncateGameEvent ()
16074 if (gameMode != EditGame) return;
16081 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16082 if (forwardMostMove > currentMove) {
16083 if (gameInfo.resultDetails != NULL) {
16084 free(gameInfo.resultDetails);
16085 gameInfo.resultDetails = NULL;
16086 gameInfo.result = GameUnfinished;
16088 forwardMostMove = currentMove;
16089 HistorySet(parseList, backwardMostMove, forwardMostMove,
16097 if (appData.noChessProgram) return;
16098 switch (gameMode) {
16099 case MachinePlaysWhite:
16100 if (WhiteOnMove(forwardMostMove)) {
16101 DisplayError(_("Wait until your turn."), 0);
16105 case BeginningOfGame:
16106 case MachinePlaysBlack:
16107 if (!WhiteOnMove(forwardMostMove)) {
16108 DisplayError(_("Wait until your turn."), 0);
16113 DisplayError(_("No hint available"), 0);
16116 SendToProgram("hint\n", &first);
16117 hintRequested = TRUE;
16121 SaveSelected (FILE *g, int dummy, char *dummy2)
16123 ListGame * lg = (ListGame *) gameList.head;
16127 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16128 DisplayError(_("Game list not loaded or empty"), 0);
16132 creatingBook = TRUE; // suppresses stuff during load game
16134 /* Get list size */
16135 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16136 if(lg->position >= 0) { // selected?
16137 LoadGame(f, nItem, "", TRUE);
16138 SaveGamePGN2(g); // leaves g open
16141 lg = (ListGame *) lg->node.succ;
16145 creatingBook = FALSE;
16153 ListGame * lg = (ListGame *) gameList.head;
16156 static int secondTime = FALSE;
16158 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16159 DisplayError(_("Game list not loaded or empty"), 0);
16163 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16166 DisplayNote(_("Book file exists! Try again for overwrite."));
16170 creatingBook = TRUE;
16171 secondTime = FALSE;
16173 /* Get list size */
16174 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16175 if(lg->position >= 0) {
16176 LoadGame(f, nItem, "", TRUE);
16177 AddGameToBook(TRUE);
16180 lg = (ListGame *) lg->node.succ;
16183 creatingBook = FALSE;
16190 if (appData.noChessProgram) return;
16191 switch (gameMode) {
16192 case MachinePlaysWhite:
16193 if (WhiteOnMove(forwardMostMove)) {
16194 DisplayError(_("Wait until your turn."), 0);
16198 case BeginningOfGame:
16199 case MachinePlaysBlack:
16200 if (!WhiteOnMove(forwardMostMove)) {
16201 DisplayError(_("Wait until your turn."), 0);
16206 EditPositionDone(TRUE);
16208 case TwoMachinesPlay:
16213 SendToProgram("bk\n", &first);
16214 bookOutput[0] = NULLCHAR;
16215 bookRequested = TRUE;
16221 char *tags = PGNTags(&gameInfo);
16222 TagsPopUp(tags, CmailMsg());
16226 /* end button procedures */
16229 PrintPosition (FILE *fp, int move)
16233 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16234 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16235 char c = PieceToChar(boards[move][i][j]);
16236 fputc(c == 'x' ? '.' : c, fp);
16237 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16240 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16241 fprintf(fp, "white to play\n");
16243 fprintf(fp, "black to play\n");
16247 PrintOpponents (FILE *fp)
16249 if (gameInfo.white != NULL) {
16250 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16256 /* Find last component of program's own name, using some heuristics */
16258 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16261 int local = (strcmp(host, "localhost") == 0);
16262 while (!local && (p = strchr(prog, ';')) != NULL) {
16264 while (*p == ' ') p++;
16267 if (*prog == '"' || *prog == '\'') {
16268 q = strchr(prog + 1, *prog);
16270 q = strchr(prog, ' ');
16272 if (q == NULL) q = prog + strlen(prog);
16274 while (p >= prog && *p != '/' && *p != '\\') p--;
16276 if(p == prog && *p == '"') p++;
16278 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16279 memcpy(buf, p, q - p);
16280 buf[q - p] = NULLCHAR;
16288 TimeControlTagValue ()
16291 if (!appData.clockMode) {
16292 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16293 } else if (movesPerSession > 0) {
16294 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16295 } else if (timeIncrement == 0) {
16296 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16298 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16300 return StrSave(buf);
16306 /* This routine is used only for certain modes */
16307 VariantClass v = gameInfo.variant;
16308 ChessMove r = GameUnfinished;
16311 if(keepInfo) return;
16313 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16314 r = gameInfo.result;
16315 p = gameInfo.resultDetails;
16316 gameInfo.resultDetails = NULL;
16318 ClearGameInfo(&gameInfo);
16319 gameInfo.variant = v;
16321 switch (gameMode) {
16322 case MachinePlaysWhite:
16323 gameInfo.event = StrSave( appData.pgnEventHeader );
16324 gameInfo.site = StrSave(HostName());
16325 gameInfo.date = PGNDate();
16326 gameInfo.round = StrSave("-");
16327 gameInfo.white = StrSave(first.tidy);
16328 gameInfo.black = StrSave(UserName());
16329 gameInfo.timeControl = TimeControlTagValue();
16332 case MachinePlaysBlack:
16333 gameInfo.event = StrSave( appData.pgnEventHeader );
16334 gameInfo.site = StrSave(HostName());
16335 gameInfo.date = PGNDate();
16336 gameInfo.round = StrSave("-");
16337 gameInfo.white = StrSave(UserName());
16338 gameInfo.black = StrSave(first.tidy);
16339 gameInfo.timeControl = TimeControlTagValue();
16342 case TwoMachinesPlay:
16343 gameInfo.event = StrSave( appData.pgnEventHeader );
16344 gameInfo.site = StrSave(HostName());
16345 gameInfo.date = PGNDate();
16348 snprintf(buf, MSG_SIZ, "%d", roundNr);
16349 gameInfo.round = StrSave(buf);
16351 gameInfo.round = StrSave("-");
16353 if (first.twoMachinesColor[0] == 'w') {
16354 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16355 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16357 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16358 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16360 gameInfo.timeControl = TimeControlTagValue();
16364 gameInfo.event = StrSave("Edited game");
16365 gameInfo.site = StrSave(HostName());
16366 gameInfo.date = PGNDate();
16367 gameInfo.round = StrSave("-");
16368 gameInfo.white = StrSave("-");
16369 gameInfo.black = StrSave("-");
16370 gameInfo.result = r;
16371 gameInfo.resultDetails = p;
16375 gameInfo.event = StrSave("Edited position");
16376 gameInfo.site = StrSave(HostName());
16377 gameInfo.date = PGNDate();
16378 gameInfo.round = StrSave("-");
16379 gameInfo.white = StrSave("-");
16380 gameInfo.black = StrSave("-");
16383 case IcsPlayingWhite:
16384 case IcsPlayingBlack:
16389 case PlayFromGameFile:
16390 gameInfo.event = StrSave("Game from non-PGN file");
16391 gameInfo.site = StrSave(HostName());
16392 gameInfo.date = PGNDate();
16393 gameInfo.round = StrSave("-");
16394 gameInfo.white = StrSave("?");
16395 gameInfo.black = StrSave("?");
16404 ReplaceComment (int index, char *text)
16410 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16411 pvInfoList[index-1].depth == len &&
16412 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16413 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16414 while (*text == '\n') text++;
16415 len = strlen(text);
16416 while (len > 0 && text[len - 1] == '\n') len--;
16418 if (commentList[index] != NULL)
16419 free(commentList[index]);
16422 commentList[index] = NULL;
16425 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16426 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16427 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16428 commentList[index] = (char *) malloc(len + 2);
16429 strncpy(commentList[index], text, len);
16430 commentList[index][len] = '\n';
16431 commentList[index][len + 1] = NULLCHAR;
16433 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16435 commentList[index] = (char *) malloc(len + 7);
16436 safeStrCpy(commentList[index], "{\n", 3);
16437 safeStrCpy(commentList[index]+2, text, len+1);
16438 commentList[index][len+2] = NULLCHAR;
16439 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16440 strcat(commentList[index], "\n}\n");
16445 CrushCRs (char *text)
16453 if (ch == '\r') continue;
16455 } while (ch != '\0');
16459 AppendComment (int index, char *text, Boolean addBraces)
16460 /* addBraces tells if we should add {} */
16465 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16466 if(addBraces == 3) addBraces = 0; else // force appending literally
16467 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16470 while (*text == '\n') text++;
16471 len = strlen(text);
16472 while (len > 0 && text[len - 1] == '\n') len--;
16473 text[len] = NULLCHAR;
16475 if (len == 0) return;
16477 if (commentList[index] != NULL) {
16478 Boolean addClosingBrace = addBraces;
16479 old = commentList[index];
16480 oldlen = strlen(old);
16481 while(commentList[index][oldlen-1] == '\n')
16482 commentList[index][--oldlen] = NULLCHAR;
16483 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16484 safeStrCpy(commentList[index], old, oldlen + len + 6);
16486 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16487 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16488 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16489 while (*text == '\n') { text++; len--; }
16490 commentList[index][--oldlen] = NULLCHAR;
16492 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16493 else strcat(commentList[index], "\n");
16494 strcat(commentList[index], text);
16495 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16496 else strcat(commentList[index], "\n");
16498 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16500 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16501 else commentList[index][0] = NULLCHAR;
16502 strcat(commentList[index], text);
16503 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16504 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16509 FindStr (char * text, char * sub_text)
16511 char * result = strstr( text, sub_text );
16513 if( result != NULL ) {
16514 result += strlen( sub_text );
16520 /* [AS] Try to extract PV info from PGN comment */
16521 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16523 GetInfoFromComment (int index, char * text)
16525 char * sep = text, *p;
16527 if( text != NULL && index > 0 ) {
16530 int time = -1, sec = 0, deci;
16531 char * s_eval = FindStr( text, "[%eval " );
16532 char * s_emt = FindStr( text, "[%emt " );
16534 if( s_eval != NULL || s_emt != NULL ) {
16536 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16541 if( s_eval != NULL ) {
16542 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16546 if( delim != ']' ) {
16551 if( s_emt != NULL ) {
16556 /* We expect something like: [+|-]nnn.nn/dd */
16559 if(*text != '{') return text; // [HGM] braces: must be normal comment
16561 sep = strchr( text, '/' );
16562 if( sep == NULL || sep < (text+4) ) {
16567 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16568 if(p[1] == '(') { // comment starts with PV
16569 p = strchr(p, ')'); // locate end of PV
16570 if(p == NULL || sep < p+5) return text;
16571 // at this point we have something like "{(.*) +0.23/6 ..."
16572 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16573 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16574 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16576 time = -1; sec = -1; deci = -1;
16577 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16578 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16579 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16580 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16584 if( score_lo < 0 || score_lo >= 100 ) {
16588 if(sec >= 0) time = 600*time + 10*sec; else
16589 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16591 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16593 /* [HGM] PV time: now locate end of PV info */
16594 while( *++sep >= '0' && *sep <= '9'); // strip depth
16596 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16598 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16600 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16601 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16612 pvInfoList[index-1].depth = depth;
16613 pvInfoList[index-1].score = score;
16614 pvInfoList[index-1].time = 10*time; // centi-sec
16615 if(*sep == '}') *sep = 0; else *--sep = '{';
16616 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16622 SendToProgram (char *message, ChessProgramState *cps)
16624 int count, outCount, error;
16627 if (cps->pr == NoProc) return;
16630 if (appData.debugMode) {
16633 fprintf(debugFP, "%ld >%-6s: %s",
16634 SubtractTimeMarks(&now, &programStartTime),
16635 cps->which, message);
16637 fprintf(serverFP, "%ld >%-6s: %s",
16638 SubtractTimeMarks(&now, &programStartTime),
16639 cps->which, message), fflush(serverFP);
16642 count = strlen(message);
16643 outCount = OutputToProcess(cps->pr, message, count, &error);
16644 if (outCount < count && !exiting
16645 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16646 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16647 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16648 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16649 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16650 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16651 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16652 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16654 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16655 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16656 gameInfo.result = res;
16658 gameInfo.resultDetails = StrSave(buf);
16660 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16661 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16666 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16670 ChessProgramState *cps = (ChessProgramState *)closure;
16672 if (isr != cps->isr) return; /* Killed intentionally */
16675 RemoveInputSource(cps->isr);
16676 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16677 _(cps->which), cps->program);
16678 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16679 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16680 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16681 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16682 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16683 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16685 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16686 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16687 gameInfo.result = res;
16689 gameInfo.resultDetails = StrSave(buf);
16691 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16692 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16694 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16695 _(cps->which), cps->program);
16696 RemoveInputSource(cps->isr);
16698 /* [AS] Program is misbehaving badly... kill it */
16699 if( count == -2 ) {
16700 DestroyChildProcess( cps->pr, 9 );
16704 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16709 if ((end_str = strchr(message, '\r')) != NULL)
16710 *end_str = NULLCHAR;
16711 if ((end_str = strchr(message, '\n')) != NULL)
16712 *end_str = NULLCHAR;
16714 if (appData.debugMode) {
16715 TimeMark now; int print = 1;
16716 char *quote = ""; char c; int i;
16718 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16719 char start = message[0];
16720 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16721 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16722 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16723 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16724 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16725 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16726 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16727 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16728 sscanf(message, "hint: %c", &c)!=1 &&
16729 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16730 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16731 print = (appData.engineComments >= 2);
16733 message[0] = start; // restore original message
16737 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16738 SubtractTimeMarks(&now, &programStartTime), cps->which,
16742 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16743 SubtractTimeMarks(&now, &programStartTime), cps->which,
16745 message), fflush(serverFP);
16749 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16750 if (appData.icsEngineAnalyze) {
16751 if (strstr(message, "whisper") != NULL ||
16752 strstr(message, "kibitz") != NULL ||
16753 strstr(message, "tellics") != NULL) return;
16756 HandleMachineMove(message, cps);
16761 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16766 if( timeControl_2 > 0 ) {
16767 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16768 tc = timeControl_2;
16771 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16772 inc /= cps->timeOdds;
16773 st /= cps->timeOdds;
16775 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16778 /* Set exact time per move, normally using st command */
16779 if (cps->stKludge) {
16780 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16782 if (seconds == 0) {
16783 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16785 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16788 snprintf(buf, MSG_SIZ, "st %d\n", st);
16791 /* Set conventional or incremental time control, using level command */
16792 if (seconds == 0) {
16793 /* Note old gnuchess bug -- minutes:seconds used to not work.
16794 Fixed in later versions, but still avoid :seconds
16795 when seconds is 0. */
16796 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16798 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16799 seconds, inc/1000.);
16802 SendToProgram(buf, cps);
16804 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16805 /* Orthogonally, limit search to given depth */
16807 if (cps->sdKludge) {
16808 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16810 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16812 SendToProgram(buf, cps);
16815 if(cps->nps >= 0) { /* [HGM] nps */
16816 if(cps->supportsNPS == FALSE)
16817 cps->nps = -1; // don't use if engine explicitly says not supported!
16819 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16820 SendToProgram(buf, cps);
16825 ChessProgramState *
16827 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16829 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16830 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16836 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16838 char message[MSG_SIZ];
16841 /* Note: this routine must be called when the clocks are stopped
16842 or when they have *just* been set or switched; otherwise
16843 it will be off by the time since the current tick started.
16845 if (machineWhite) {
16846 time = whiteTimeRemaining / 10;
16847 otime = blackTimeRemaining / 10;
16849 time = blackTimeRemaining / 10;
16850 otime = whiteTimeRemaining / 10;
16852 /* [HGM] translate opponent's time by time-odds factor */
16853 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16855 if (time <= 0) time = 1;
16856 if (otime <= 0) otime = 1;
16858 snprintf(message, MSG_SIZ, "time %ld\n", time);
16859 SendToProgram(message, cps);
16861 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16862 SendToProgram(message, cps);
16866 EngineDefinedVariant (ChessProgramState *cps, int n)
16867 { // return name of n-th unknown variant that engine supports
16868 static char buf[MSG_SIZ];
16869 char *p, *s = cps->variants;
16870 if(!s) return NULL;
16871 do { // parse string from variants feature
16873 p = strchr(s, ',');
16874 if(p) *p = NULLCHAR;
16875 v = StringToVariant(s);
16876 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16877 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16878 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16879 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16880 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16881 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16882 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16885 if(n < 0) return buf;
16891 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16894 int len = strlen(name);
16897 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16899 sscanf(*p, "%d", &val);
16901 while (**p && **p != ' ')
16903 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16904 SendToProgram(buf, cps);
16911 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16914 int len = strlen(name);
16915 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16917 sscanf(*p, "%d", loc);
16918 while (**p && **p != ' ') (*p)++;
16919 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16920 SendToProgram(buf, cps);
16927 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16930 int len = strlen(name);
16931 if (strncmp((*p), name, len) == 0
16932 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16934 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16935 sscanf(*p, "%[^\"]", *loc);
16936 while (**p && **p != '\"') (*p)++;
16937 if (**p == '\"') (*p)++;
16938 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16939 SendToProgram(buf, cps);
16946 ParseOption (Option *opt, ChessProgramState *cps)
16947 // [HGM] options: process the string that defines an engine option, and determine
16948 // name, type, default value, and allowed value range
16950 char *p, *q, buf[MSG_SIZ];
16951 int n, min = (-1)<<31, max = 1<<31, def;
16953 if(p = strstr(opt->name, " -spin ")) {
16954 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16955 if(max < min) max = min; // enforce consistency
16956 if(def < min) def = min;
16957 if(def > max) def = max;
16962 } else if((p = strstr(opt->name, " -slider "))) {
16963 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16964 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16965 if(max < min) max = min; // enforce consistency
16966 if(def < min) def = min;
16967 if(def > max) def = max;
16971 opt->type = Spin; // Slider;
16972 } else if((p = strstr(opt->name, " -string "))) {
16973 opt->textValue = p+9;
16974 opt->type = TextBox;
16975 } else if((p = strstr(opt->name, " -file "))) {
16976 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16977 opt->textValue = p+7;
16978 opt->type = FileName; // FileName;
16979 } else if((p = strstr(opt->name, " -path "))) {
16980 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16981 opt->textValue = p+7;
16982 opt->type = PathName; // PathName;
16983 } else if(p = strstr(opt->name, " -check ")) {
16984 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16985 opt->value = (def != 0);
16986 opt->type = CheckBox;
16987 } else if(p = strstr(opt->name, " -combo ")) {
16988 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16989 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16990 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16991 opt->value = n = 0;
16992 while(q = StrStr(q, " /// ")) {
16993 n++; *q = 0; // count choices, and null-terminate each of them
16995 if(*q == '*') { // remember default, which is marked with * prefix
16999 cps->comboList[cps->comboCnt++] = q;
17001 cps->comboList[cps->comboCnt++] = NULL;
17003 opt->type = ComboBox;
17004 } else if(p = strstr(opt->name, " -button")) {
17005 opt->type = Button;
17006 } else if(p = strstr(opt->name, " -save")) {
17007 opt->type = SaveButton;
17008 } else return FALSE;
17009 *p = 0; // terminate option name
17010 // now look if the command-line options define a setting for this engine option.
17011 if(cps->optionSettings && cps->optionSettings[0])
17012 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17013 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17014 snprintf(buf, MSG_SIZ, "option %s", p);
17015 if(p = strstr(buf, ",")) *p = 0;
17016 if(q = strchr(buf, '=')) switch(opt->type) {
17018 for(n=0; n<opt->max; n++)
17019 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17022 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17026 opt->value = atoi(q+1);
17031 SendToProgram(buf, cps);
17037 FeatureDone (ChessProgramState *cps, int val)
17039 DelayedEventCallback cb = GetDelayedEvent();
17040 if ((cb == InitBackEnd3 && cps == &first) ||
17041 (cb == SettingsMenuIfReady && cps == &second) ||
17042 (cb == LoadEngine) ||
17043 (cb == TwoMachinesEventIfReady)) {
17044 CancelDelayedEvent();
17045 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17047 cps->initDone = val;
17048 if(val) cps->reload = FALSE;
17051 /* Parse feature command from engine */
17053 ParseFeatures (char *args, ChessProgramState *cps)
17061 while (*p == ' ') p++;
17062 if (*p == NULLCHAR) return;
17064 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17065 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17066 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17067 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17068 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17069 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17070 if (BoolFeature(&p, "reuse", &val, cps)) {
17071 /* Engine can disable reuse, but can't enable it if user said no */
17072 if (!val) cps->reuse = FALSE;
17075 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17076 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17077 if (gameMode == TwoMachinesPlay) {
17078 DisplayTwoMachinesTitle();
17084 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17085 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17086 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17087 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17088 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17089 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17090 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17091 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17092 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17093 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17094 if (IntFeature(&p, "done", &val, cps)) {
17095 FeatureDone(cps, val);
17098 /* Added by Tord: */
17099 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17100 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17101 /* End of additions by Tord */
17103 /* [HGM] added features: */
17104 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17105 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17106 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17107 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17108 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17109 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17110 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17111 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17112 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17113 FREE(cps->option[cps->nrOptions].name);
17114 cps->option[cps->nrOptions].name = q; q = NULL;
17115 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17116 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17117 SendToProgram(buf, cps);
17120 if(cps->nrOptions >= MAX_OPTIONS) {
17122 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17123 DisplayError(buf, 0);
17127 /* End of additions by HGM */
17129 /* unknown feature: complain and skip */
17131 while (*q && *q != '=') q++;
17132 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17133 SendToProgram(buf, cps);
17139 while (*p && *p != '\"') p++;
17140 if (*p == '\"') p++;
17142 while (*p && *p != ' ') p++;
17150 PeriodicUpdatesEvent (int newState)
17152 if (newState == appData.periodicUpdates)
17155 appData.periodicUpdates=newState;
17157 /* Display type changes, so update it now */
17158 // DisplayAnalysis();
17160 /* Get the ball rolling again... */
17162 AnalysisPeriodicEvent(1);
17163 StartAnalysisClock();
17168 PonderNextMoveEvent (int newState)
17170 if (newState == appData.ponderNextMove) return;
17171 if (gameMode == EditPosition) EditPositionDone(TRUE);
17173 SendToProgram("hard\n", &first);
17174 if (gameMode == TwoMachinesPlay) {
17175 SendToProgram("hard\n", &second);
17178 SendToProgram("easy\n", &first);
17179 thinkOutput[0] = NULLCHAR;
17180 if (gameMode == TwoMachinesPlay) {
17181 SendToProgram("easy\n", &second);
17184 appData.ponderNextMove = newState;
17188 NewSettingEvent (int option, int *feature, char *command, int value)
17192 if (gameMode == EditPosition) EditPositionDone(TRUE);
17193 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17194 if(feature == NULL || *feature) SendToProgram(buf, &first);
17195 if (gameMode == TwoMachinesPlay) {
17196 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17201 ShowThinkingEvent ()
17202 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17204 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17205 int newState = appData.showThinking
17206 // [HGM] thinking: other features now need thinking output as well
17207 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17209 if (oldState == newState) return;
17210 oldState = newState;
17211 if (gameMode == EditPosition) EditPositionDone(TRUE);
17213 SendToProgram("post\n", &first);
17214 if (gameMode == TwoMachinesPlay) {
17215 SendToProgram("post\n", &second);
17218 SendToProgram("nopost\n", &first);
17219 thinkOutput[0] = NULLCHAR;
17220 if (gameMode == TwoMachinesPlay) {
17221 SendToProgram("nopost\n", &second);
17224 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17228 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17230 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17231 if (pr == NoProc) return;
17232 AskQuestion(title, question, replyPrefix, pr);
17236 TypeInEvent (char firstChar)
17238 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17239 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17240 gameMode == AnalyzeMode || gameMode == EditGame ||
17241 gameMode == EditPosition || gameMode == IcsExamining ||
17242 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17243 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17244 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17245 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17246 gameMode == Training) PopUpMoveDialog(firstChar);
17250 TypeInDoneEvent (char *move)
17253 int n, fromX, fromY, toX, toY;
17255 ChessMove moveType;
17258 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17259 EditPositionPasteFEN(move);
17262 // [HGM] movenum: allow move number to be typed in any mode
17263 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17267 // undocumented kludge: allow command-line option to be typed in!
17268 // (potentially fatal, and does not implement the effect of the option.)
17269 // should only be used for options that are values on which future decisions will be made,
17270 // and definitely not on options that would be used during initialization.
17271 if(strstr(move, "!!! -") == move) {
17272 ParseArgsFromString(move+4);
17276 if (gameMode != EditGame && currentMove != forwardMostMove &&
17277 gameMode != Training) {
17278 DisplayMoveError(_("Displayed move is not current"));
17280 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17281 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17282 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17283 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17284 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17285 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17287 DisplayMoveError(_("Could not parse move"));
17293 DisplayMove (int moveNumber)
17295 char message[MSG_SIZ];
17297 char cpThinkOutput[MSG_SIZ];
17299 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17301 if (moveNumber == forwardMostMove - 1 ||
17302 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17304 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17306 if (strchr(cpThinkOutput, '\n')) {
17307 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17310 *cpThinkOutput = NULLCHAR;
17313 /* [AS] Hide thinking from human user */
17314 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17315 *cpThinkOutput = NULLCHAR;
17316 if( thinkOutput[0] != NULLCHAR ) {
17319 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17320 cpThinkOutput[i] = '.';
17322 cpThinkOutput[i] = NULLCHAR;
17323 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17327 if (moveNumber == forwardMostMove - 1 &&
17328 gameInfo.resultDetails != NULL) {
17329 if (gameInfo.resultDetails[0] == NULLCHAR) {
17330 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17332 snprintf(res, MSG_SIZ, " {%s} %s",
17333 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17339 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17340 DisplayMessage(res, cpThinkOutput);
17342 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17343 WhiteOnMove(moveNumber) ? " " : ".. ",
17344 parseList[moveNumber], res);
17345 DisplayMessage(message, cpThinkOutput);
17350 DisplayComment (int moveNumber, char *text)
17352 char title[MSG_SIZ];
17354 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17355 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17357 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17358 WhiteOnMove(moveNumber) ? " " : ".. ",
17359 parseList[moveNumber]);
17361 if (text != NULL && (appData.autoDisplayComment || commentUp))
17362 CommentPopUp(title, text);
17365 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17366 * might be busy thinking or pondering. It can be omitted if your
17367 * gnuchess is configured to stop thinking immediately on any user
17368 * input. However, that gnuchess feature depends on the FIONREAD
17369 * ioctl, which does not work properly on some flavors of Unix.
17372 Attention (ChessProgramState *cps)
17375 if (!cps->useSigint) return;
17376 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17377 switch (gameMode) {
17378 case MachinePlaysWhite:
17379 case MachinePlaysBlack:
17380 case TwoMachinesPlay:
17381 case IcsPlayingWhite:
17382 case IcsPlayingBlack:
17385 /* Skip if we know it isn't thinking */
17386 if (!cps->maybeThinking) return;
17387 if (appData.debugMode)
17388 fprintf(debugFP, "Interrupting %s\n", cps->which);
17389 InterruptChildProcess(cps->pr);
17390 cps->maybeThinking = FALSE;
17395 #endif /*ATTENTION*/
17401 if (whiteTimeRemaining <= 0) {
17404 if (appData.icsActive) {
17405 if (appData.autoCallFlag &&
17406 gameMode == IcsPlayingBlack && !blackFlag) {
17407 SendToICS(ics_prefix);
17408 SendToICS("flag\n");
17412 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17414 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17415 if (appData.autoCallFlag) {
17416 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17423 if (blackTimeRemaining <= 0) {
17426 if (appData.icsActive) {
17427 if (appData.autoCallFlag &&
17428 gameMode == IcsPlayingWhite && !whiteFlag) {
17429 SendToICS(ics_prefix);
17430 SendToICS("flag\n");
17434 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17436 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17437 if (appData.autoCallFlag) {
17438 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17449 CheckTimeControl ()
17451 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17452 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17455 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17457 if ( !WhiteOnMove(forwardMostMove) ) {
17458 /* White made time control */
17459 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17460 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17461 /* [HGM] time odds: correct new time quota for time odds! */
17462 / WhitePlayer()->timeOdds;
17463 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17465 lastBlack -= blackTimeRemaining;
17466 /* Black made time control */
17467 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17468 / WhitePlayer()->other->timeOdds;
17469 lastWhite = whiteTimeRemaining;
17474 DisplayBothClocks ()
17476 int wom = gameMode == EditPosition ?
17477 !blackPlaysFirst : WhiteOnMove(currentMove);
17478 DisplayWhiteClock(whiteTimeRemaining, wom);
17479 DisplayBlackClock(blackTimeRemaining, !wom);
17483 /* Timekeeping seems to be a portability nightmare. I think everyone
17484 has ftime(), but I'm really not sure, so I'm including some ifdefs
17485 to use other calls if you don't. Clocks will be less accurate if
17486 you have neither ftime nor gettimeofday.
17489 /* VS 2008 requires the #include outside of the function */
17490 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17491 #include <sys/timeb.h>
17494 /* Get the current time as a TimeMark */
17496 GetTimeMark (TimeMark *tm)
17498 #if HAVE_GETTIMEOFDAY
17500 struct timeval timeVal;
17501 struct timezone timeZone;
17503 gettimeofday(&timeVal, &timeZone);
17504 tm->sec = (long) timeVal.tv_sec;
17505 tm->ms = (int) (timeVal.tv_usec / 1000L);
17507 #else /*!HAVE_GETTIMEOFDAY*/
17510 // include <sys/timeb.h> / moved to just above start of function
17511 struct timeb timeB;
17514 tm->sec = (long) timeB.time;
17515 tm->ms = (int) timeB.millitm;
17517 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17518 tm->sec = (long) time(NULL);
17524 /* Return the difference in milliseconds between two
17525 time marks. We assume the difference will fit in a long!
17528 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17530 return 1000L*(tm2->sec - tm1->sec) +
17531 (long) (tm2->ms - tm1->ms);
17536 * Code to manage the game clocks.
17538 * In tournament play, black starts the clock and then white makes a move.
17539 * We give the human user a slight advantage if he is playing white---the
17540 * clocks don't run until he makes his first move, so it takes zero time.
17541 * Also, we don't account for network lag, so we could get out of sync
17542 * with GNU Chess's clock -- but then, referees are always right.
17545 static TimeMark tickStartTM;
17546 static long intendedTickLength;
17549 NextTickLength (long timeRemaining)
17551 long nominalTickLength, nextTickLength;
17553 if (timeRemaining > 0L && timeRemaining <= 10000L)
17554 nominalTickLength = 100L;
17556 nominalTickLength = 1000L;
17557 nextTickLength = timeRemaining % nominalTickLength;
17558 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17560 return nextTickLength;
17563 /* Adjust clock one minute up or down */
17565 AdjustClock (Boolean which, int dir)
17567 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17568 if(which) blackTimeRemaining += 60000*dir;
17569 else whiteTimeRemaining += 60000*dir;
17570 DisplayBothClocks();
17571 adjustedClock = TRUE;
17574 /* Stop clocks and reset to a fresh time control */
17578 (void) StopClockTimer();
17579 if (appData.icsActive) {
17580 whiteTimeRemaining = blackTimeRemaining = 0;
17581 } else if (searchTime) {
17582 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17583 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17584 } else { /* [HGM] correct new time quote for time odds */
17585 whiteTC = blackTC = fullTimeControlString;
17586 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17587 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17589 if (whiteFlag || blackFlag) {
17591 whiteFlag = blackFlag = FALSE;
17593 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17594 DisplayBothClocks();
17595 adjustedClock = FALSE;
17598 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17600 /* Decrement running clock by amount of time that has passed */
17604 long timeRemaining;
17605 long lastTickLength, fudge;
17608 if (!appData.clockMode) return;
17609 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17613 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17615 /* Fudge if we woke up a little too soon */
17616 fudge = intendedTickLength - lastTickLength;
17617 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17619 if (WhiteOnMove(forwardMostMove)) {
17620 if(whiteNPS >= 0) lastTickLength = 0;
17621 timeRemaining = whiteTimeRemaining -= lastTickLength;
17622 if(timeRemaining < 0 && !appData.icsActive) {
17623 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17624 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17625 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17626 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17629 DisplayWhiteClock(whiteTimeRemaining - fudge,
17630 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17632 if(blackNPS >= 0) lastTickLength = 0;
17633 timeRemaining = blackTimeRemaining -= lastTickLength;
17634 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17635 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17637 blackStartMove = forwardMostMove;
17638 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17641 DisplayBlackClock(blackTimeRemaining - fudge,
17642 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17644 if (CheckFlags()) return;
17646 if(twoBoards) { // count down secondary board's clocks as well
17647 activePartnerTime -= lastTickLength;
17649 if(activePartner == 'W')
17650 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17652 DisplayBlackClock(activePartnerTime, TRUE);
17657 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17658 StartClockTimer(intendedTickLength);
17660 /* if the time remaining has fallen below the alarm threshold, sound the
17661 * alarm. if the alarm has sounded and (due to a takeback or time control
17662 * with increment) the time remaining has increased to a level above the
17663 * threshold, reset the alarm so it can sound again.
17666 if (appData.icsActive && appData.icsAlarm) {
17668 /* make sure we are dealing with the user's clock */
17669 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17670 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17673 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17674 alarmSounded = FALSE;
17675 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17677 alarmSounded = TRUE;
17683 /* A player has just moved, so stop the previously running
17684 clock and (if in clock mode) start the other one.
17685 We redisplay both clocks in case we're in ICS mode, because
17686 ICS gives us an update to both clocks after every move.
17687 Note that this routine is called *after* forwardMostMove
17688 is updated, so the last fractional tick must be subtracted
17689 from the color that is *not* on move now.
17692 SwitchClocks (int newMoveNr)
17694 long lastTickLength;
17696 int flagged = FALSE;
17700 if (StopClockTimer() && appData.clockMode) {
17701 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17702 if (!WhiteOnMove(forwardMostMove)) {
17703 if(blackNPS >= 0) lastTickLength = 0;
17704 blackTimeRemaining -= lastTickLength;
17705 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17706 // if(pvInfoList[forwardMostMove].time == -1)
17707 pvInfoList[forwardMostMove].time = // use GUI time
17708 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17710 if(whiteNPS >= 0) lastTickLength = 0;
17711 whiteTimeRemaining -= lastTickLength;
17712 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17713 // if(pvInfoList[forwardMostMove].time == -1)
17714 pvInfoList[forwardMostMove].time =
17715 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17717 flagged = CheckFlags();
17719 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17720 CheckTimeControl();
17722 if (flagged || !appData.clockMode) return;
17724 switch (gameMode) {
17725 case MachinePlaysBlack:
17726 case MachinePlaysWhite:
17727 case BeginningOfGame:
17728 if (pausing) return;
17732 case PlayFromGameFile:
17740 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17741 if(WhiteOnMove(forwardMostMove))
17742 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17743 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17747 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17748 whiteTimeRemaining : blackTimeRemaining);
17749 StartClockTimer(intendedTickLength);
17753 /* Stop both clocks */
17757 long lastTickLength;
17760 if (!StopClockTimer()) return;
17761 if (!appData.clockMode) return;
17765 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17766 if (WhiteOnMove(forwardMostMove)) {
17767 if(whiteNPS >= 0) lastTickLength = 0;
17768 whiteTimeRemaining -= lastTickLength;
17769 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17771 if(blackNPS >= 0) lastTickLength = 0;
17772 blackTimeRemaining -= lastTickLength;
17773 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17778 /* Start clock of player on move. Time may have been reset, so
17779 if clock is already running, stop and restart it. */
17783 (void) StopClockTimer(); /* in case it was running already */
17784 DisplayBothClocks();
17785 if (CheckFlags()) return;
17787 if (!appData.clockMode) return;
17788 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17790 GetTimeMark(&tickStartTM);
17791 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17792 whiteTimeRemaining : blackTimeRemaining);
17794 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17795 whiteNPS = blackNPS = -1;
17796 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17797 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17798 whiteNPS = first.nps;
17799 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17800 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17801 blackNPS = first.nps;
17802 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17803 whiteNPS = second.nps;
17804 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17805 blackNPS = second.nps;
17806 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17808 StartClockTimer(intendedTickLength);
17812 TimeString (long ms)
17814 long second, minute, hour, day;
17816 static char buf[32];
17818 if (ms > 0 && ms <= 9900) {
17819 /* convert milliseconds to tenths, rounding up */
17820 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17822 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17826 /* convert milliseconds to seconds, rounding up */
17827 /* use floating point to avoid strangeness of integer division
17828 with negative dividends on many machines */
17829 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17836 day = second / (60 * 60 * 24);
17837 second = second % (60 * 60 * 24);
17838 hour = second / (60 * 60);
17839 second = second % (60 * 60);
17840 minute = second / 60;
17841 second = second % 60;
17844 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17845 sign, day, hour, minute, second);
17847 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17849 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17856 * This is necessary because some C libraries aren't ANSI C compliant yet.
17859 StrStr (char *string, char *match)
17863 length = strlen(match);
17865 for (i = strlen(string) - length; i >= 0; i--, string++)
17866 if (!strncmp(match, string, length))
17873 StrCaseStr (char *string, char *match)
17877 length = strlen(match);
17879 for (i = strlen(string) - length; i >= 0; i--, string++) {
17880 for (j = 0; j < length; j++) {
17881 if (ToLower(match[j]) != ToLower(string[j]))
17884 if (j == length) return string;
17892 StrCaseCmp (char *s1, char *s2)
17897 c1 = ToLower(*s1++);
17898 c2 = ToLower(*s2++);
17899 if (c1 > c2) return 1;
17900 if (c1 < c2) return -1;
17901 if (c1 == NULLCHAR) return 0;
17909 return isupper(c) ? tolower(c) : c;
17916 return islower(c) ? toupper(c) : c;
17918 #endif /* !_amigados */
17925 if ((ret = (char *) malloc(strlen(s) + 1)))
17927 safeStrCpy(ret, s, strlen(s)+1);
17933 StrSavePtr (char *s, char **savePtr)
17938 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17939 safeStrCpy(*savePtr, s, strlen(s)+1);
17951 clock = time((time_t *)NULL);
17952 tm = localtime(&clock);
17953 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17954 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17955 return StrSave(buf);
17960 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17962 int i, j, fromX, fromY, toX, toY;
17963 int whiteToPlay, haveRights = nrCastlingRights;
17969 whiteToPlay = (gameMode == EditPosition) ?
17970 !blackPlaysFirst : (move % 2 == 0);
17973 /* Piece placement data */
17974 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17975 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17977 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17978 if (boards[move][i][j] == EmptySquare) {
17980 } else { ChessSquare piece = boards[move][i][j];
17981 if (emptycount > 0) {
17982 if(emptycount<10) /* [HGM] can be >= 10 */
17983 *p++ = '0' + emptycount;
17984 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17987 if(PieceToChar(piece) == '+') {
17988 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17990 piece = (ChessSquare)(CHUDEMOTED piece);
17992 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17993 if(*p = PieceSuffix(piece)) p++;
17995 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17996 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
18001 if (emptycount > 0) {
18002 if(emptycount<10) /* [HGM] can be >= 10 */
18003 *p++ = '0' + emptycount;
18004 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18011 /* [HGM] print Crazyhouse or Shogi holdings */
18012 if( gameInfo.holdingsWidth ) {
18013 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18015 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18016 piece = boards[move][i][BOARD_WIDTH-1];
18017 if( piece != EmptySquare )
18018 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18019 *p++ = PieceToChar(piece);
18021 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18022 piece = boards[move][BOARD_HEIGHT-i-1][0];
18023 if( piece != EmptySquare )
18024 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18025 *p++ = PieceToChar(piece);
18028 if( q == p ) *p++ = '-';
18034 *p++ = whiteToPlay ? 'w' : 'b';
18037 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18038 haveRights = 0; q = p;
18039 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18040 piece = boards[move][0][i];
18041 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18042 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18045 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18046 piece = boards[move][BOARD_HEIGHT-1][i];
18047 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18048 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18051 if(p == q) *p++ = '-';
18055 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18056 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18059 int handW=0, handB=0;
18060 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18061 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18062 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18065 if(appData.fischerCastling) {
18066 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18067 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18068 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18070 /* [HGM] write directly from rights */
18071 if(boards[move][CASTLING][2] != NoRights &&
18072 boards[move][CASTLING][0] != NoRights )
18073 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18074 if(boards[move][CASTLING][2] != NoRights &&
18075 boards[move][CASTLING][1] != NoRights )
18076 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18079 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18080 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18082 if(boards[move][CASTLING][5] != NoRights &&
18083 boards[move][CASTLING][3] != NoRights )
18084 *p++ = boards[move][CASTLING][3] + AAA;
18085 if(boards[move][CASTLING][5] != NoRights &&
18086 boards[move][CASTLING][4] != NoRights )
18087 *p++ = boards[move][CASTLING][4] + AAA;
18091 /* [HGM] write true castling rights */
18092 if( nrCastlingRights == 6 ) {
18094 if(boards[move][CASTLING][0] != NoRights &&
18095 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18096 q = (boards[move][CASTLING][1] != NoRights &&
18097 boards[move][CASTLING][2] != NoRights );
18098 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18099 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18100 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18101 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18105 if(boards[move][CASTLING][3] != NoRights &&
18106 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18107 q = (boards[move][CASTLING][4] != NoRights &&
18108 boards[move][CASTLING][5] != NoRights );
18110 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18111 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18112 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18117 if (q == p) *p++ = '-'; /* No castling rights */
18121 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18122 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18123 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18124 /* En passant target square */
18125 if (move > backwardMostMove) {
18126 fromX = moveList[move - 1][0] - AAA;
18127 fromY = moveList[move - 1][1] - ONE;
18128 toX = moveList[move - 1][2] - AAA;
18129 toY = moveList[move - 1][3] - ONE;
18130 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18131 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18132 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18134 /* 2-square pawn move just happened */
18136 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18140 } else if(move == backwardMostMove) {
18141 // [HGM] perhaps we should always do it like this, and forget the above?
18142 if((signed char)boards[move][EP_STATUS] >= 0) {
18143 *p++ = boards[move][EP_STATUS] + AAA;
18144 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18156 { int i = 0, j=move;
18158 /* [HGM] find reversible plies */
18159 if (appData.debugMode) { int k;
18160 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18161 for(k=backwardMostMove; k<=forwardMostMove; k++)
18162 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18166 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18167 if( j == backwardMostMove ) i += initialRulePlies;
18168 sprintf(p, "%d ", i);
18169 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18171 /* Fullmove number */
18172 sprintf(p, "%d", (move / 2) + 1);
18173 } else *--p = NULLCHAR;
18175 return StrSave(buf);
18179 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18181 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18183 int emptycount, virgin[BOARD_FILES];
18184 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18188 /* Piece placement data */
18189 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18192 if (*p == '/' || *p == ' ' || *p == '[' ) {
18194 emptycount = gameInfo.boardWidth - j;
18195 while (emptycount--)
18196 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18197 if (*p == '/') p++;
18198 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18199 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18200 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18202 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18205 #if(BOARD_FILES >= 10)*0
18206 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18207 p++; emptycount=10;
18208 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18209 while (emptycount--)
18210 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18212 } else if (*p == '*') {
18213 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18214 } else if (isdigit(*p)) {
18215 emptycount = *p++ - '0';
18216 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18217 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18218 while (emptycount--)
18219 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18220 } else if (*p == '<') {
18221 if(i == BOARD_HEIGHT-1) shuffle = 1;
18222 else if (i != 0 || !shuffle) return FALSE;
18224 } else if (shuffle && *p == '>') {
18225 p++; // for now ignore closing shuffle range, and assume rank-end
18226 } else if (*p == '?') {
18227 if (j >= gameInfo.boardWidth) return FALSE;
18228 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18229 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18230 } else if (*p == '+' || isalpha(*p)) {
18231 char *q, *s = SUFFIXES;
18232 if (j >= gameInfo.boardWidth) return FALSE;
18235 if(q = strchr(s, p[1])) p++;
18236 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18237 if(piece == EmptySquare) return FALSE; /* unknown piece */
18238 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
18239 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18242 if(q = strchr(s, *p)) p++;
18243 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18246 if(piece==EmptySquare) return FALSE; /* unknown piece */
18247 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18248 piece = (ChessSquare) (PROMOTED piece);
18249 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18252 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18253 if(piece == king) wKingRank = i;
18254 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18260 while (*p == '/' || *p == ' ') p++;
18262 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18264 /* [HGM] by default clear Crazyhouse holdings, if present */
18265 if(gameInfo.holdingsWidth) {
18266 for(i=0; i<BOARD_HEIGHT; i++) {
18267 board[i][0] = EmptySquare; /* black holdings */
18268 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18269 board[i][1] = (ChessSquare) 0; /* black counts */
18270 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18274 /* [HGM] look for Crazyhouse holdings here */
18275 while(*p==' ') p++;
18276 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18277 int swap=0, wcnt=0, bcnt=0;
18279 if(*p == '<') swap++, p++;
18280 if(*p == '-' ) p++; /* empty holdings */ else {
18281 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18282 /* if we would allow FEN reading to set board size, we would */
18283 /* have to add holdings and shift the board read so far here */
18284 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18286 if((int) piece >= (int) BlackPawn ) {
18287 i = (int)piece - (int)BlackPawn;
18288 i = PieceToNumber((ChessSquare)i);
18289 if( i >= gameInfo.holdingsSize ) return FALSE;
18290 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18291 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18294 i = (int)piece - (int)WhitePawn;
18295 i = PieceToNumber((ChessSquare)i);
18296 if( i >= gameInfo.holdingsSize ) return FALSE;
18297 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18298 board[i][BOARD_WIDTH-2]++; /* black holdings */
18302 if(subst) { // substitute back-rank question marks by holdings pieces
18303 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18304 int k, m, n = bcnt + 1;
18305 if(board[0][j] == ClearBoard) {
18306 if(!wcnt) return FALSE;
18308 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18309 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18310 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18314 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18315 if(!bcnt) return FALSE;
18316 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18317 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18318 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18319 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18330 if(subst) return FALSE; // substitution requested, but no holdings
18332 while(*p == ' ') p++;
18336 if(appData.colorNickNames) {
18337 if( c == appData.colorNickNames[0] ) c = 'w'; else
18338 if( c == appData.colorNickNames[1] ) c = 'b';
18342 *blackPlaysFirst = FALSE;
18345 *blackPlaysFirst = TRUE;
18351 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18352 /* return the extra info in global variiables */
18354 while(*p==' ') p++;
18356 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18357 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18358 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18361 /* set defaults in case FEN is incomplete */
18362 board[EP_STATUS] = EP_UNKNOWN;
18363 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18364 for(i=0; i<nrCastlingRights; i++ ) {
18365 board[CASTLING][i] =
18366 appData.fischerCastling ? NoRights : initialRights[i];
18367 } /* assume possible unless obviously impossible */
18368 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18369 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18370 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18371 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18372 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18373 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18374 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18375 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18378 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18381 while(isalpha(*p)) {
18382 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18383 if(islower(*p)) b |= 1 << (*p++ - 'a');
18387 board[TOUCHED_W] = ~w;
18388 board[TOUCHED_B] = ~b;
18389 while(*p == ' ') p++;
18393 if(nrCastlingRights) {
18395 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18396 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18397 /* castling indicator present, so default becomes no castlings */
18398 for(i=0; i<nrCastlingRights; i++ ) {
18399 board[CASTLING][i] = NoRights;
18402 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18403 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18404 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18405 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18406 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18408 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18409 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18410 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18412 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18413 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18414 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18415 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18416 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18417 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18420 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18421 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18422 board[CASTLING][2] = whiteKingFile;
18423 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18424 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18425 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18428 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18429 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18430 board[CASTLING][2] = whiteKingFile;
18431 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18432 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18433 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18436 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18437 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18438 board[CASTLING][5] = blackKingFile;
18439 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18440 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18441 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18444 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18445 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18446 board[CASTLING][5] = blackKingFile;
18447 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18448 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18449 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18452 default: /* FRC castlings */
18453 if(c >= 'a') { /* black rights */
18454 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18455 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18456 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18457 if(i == BOARD_RGHT) break;
18458 board[CASTLING][5] = i;
18460 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18461 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18463 board[CASTLING][3] = c;
18465 board[CASTLING][4] = c;
18466 } else { /* white rights */
18467 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18468 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18469 if(board[0][i] == WhiteKing) break;
18470 if(i == BOARD_RGHT) break;
18471 board[CASTLING][2] = i;
18472 c -= AAA - 'a' + 'A';
18473 if(board[0][c] >= WhiteKing) break;
18475 board[CASTLING][0] = c;
18477 board[CASTLING][1] = c;
18481 for(i=0; i<nrCastlingRights; i++)
18482 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18483 if(gameInfo.variant == VariantSChess)
18484 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18485 if(fischer && shuffle) appData.fischerCastling = TRUE;
18486 if (appData.debugMode) {
18487 fprintf(debugFP, "FEN castling rights:");
18488 for(i=0; i<nrCastlingRights; i++)
18489 fprintf(debugFP, " %d", board[CASTLING][i]);
18490 fprintf(debugFP, "\n");
18493 while(*p==' ') p++;
18496 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18498 /* read e.p. field in games that know e.p. capture */
18499 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18500 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18501 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18503 p++; board[EP_STATUS] = EP_NONE;
18505 char c = *p++ - AAA;
18507 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18508 if(*p >= '0' && *p <='9') p++;
18509 board[EP_STATUS] = c;
18514 if(sscanf(p, "%d", &i) == 1) {
18515 FENrulePlies = i; /* 50-move ply counter */
18516 /* (The move number is still ignored) */
18523 EditPositionPasteFEN (char *fen)
18526 Board initial_position;
18528 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18529 DisplayError(_("Bad FEN position in clipboard"), 0);
18532 int savedBlackPlaysFirst = blackPlaysFirst;
18533 EditPositionEvent();
18534 blackPlaysFirst = savedBlackPlaysFirst;
18535 CopyBoard(boards[0], initial_position);
18536 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18537 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18538 DisplayBothClocks();
18539 DrawPosition(FALSE, boards[currentMove]);
18544 static char cseq[12] = "\\ ";
18547 set_cont_sequence (char *new_seq)
18552 // handle bad attempts to set the sequence
18554 return 0; // acceptable error - no debug
18556 len = strlen(new_seq);
18557 ret = (len > 0) && (len < sizeof(cseq));
18559 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18560 else if (appData.debugMode)
18561 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18566 reformat a source message so words don't cross the width boundary. internal
18567 newlines are not removed. returns the wrapped size (no null character unless
18568 included in source message). If dest is NULL, only calculate the size required
18569 for the dest buffer. lp argument indicats line position upon entry, and it's
18570 passed back upon exit.
18573 wrap (char *dest, char *src, int count, int width, int *lp)
18575 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18577 cseq_len = strlen(cseq);
18578 old_line = line = *lp;
18579 ansi = len = clen = 0;
18581 for (i=0; i < count; i++)
18583 if (src[i] == '\033')
18586 // if we hit the width, back up
18587 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18589 // store i & len in case the word is too long
18590 old_i = i, old_len = len;
18592 // find the end of the last word
18593 while (i && src[i] != ' ' && src[i] != '\n')
18599 // word too long? restore i & len before splitting it
18600 if ((old_i-i+clen) >= width)
18607 if (i && src[i-1] == ' ')
18610 if (src[i] != ' ' && src[i] != '\n')
18617 // now append the newline and continuation sequence
18622 strncpy(dest+len, cseq, cseq_len);
18630 dest[len] = src[i];
18634 if (src[i] == '\n')
18639 if (dest && appData.debugMode)
18641 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18642 count, width, line, len, *lp);
18643 show_bytes(debugFP, src, count);
18644 fprintf(debugFP, "\ndest: ");
18645 show_bytes(debugFP, dest, len);
18646 fprintf(debugFP, "\n");
18648 *lp = dest ? line : old_line;
18653 // [HGM] vari: routines for shelving variations
18654 Boolean modeRestore = FALSE;
18657 PushInner (int firstMove, int lastMove)
18659 int i, j, nrMoves = lastMove - firstMove;
18661 // push current tail of game on stack
18662 savedResult[storedGames] = gameInfo.result;
18663 savedDetails[storedGames] = gameInfo.resultDetails;
18664 gameInfo.resultDetails = NULL;
18665 savedFirst[storedGames] = firstMove;
18666 savedLast [storedGames] = lastMove;
18667 savedFramePtr[storedGames] = framePtr;
18668 framePtr -= nrMoves; // reserve space for the boards
18669 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18670 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18671 for(j=0; j<MOVE_LEN; j++)
18672 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18673 for(j=0; j<2*MOVE_LEN; j++)
18674 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18675 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18676 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18677 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18678 pvInfoList[firstMove+i-1].depth = 0;
18679 commentList[framePtr+i] = commentList[firstMove+i];
18680 commentList[firstMove+i] = NULL;
18684 forwardMostMove = firstMove; // truncate game so we can start variation
18688 PushTail (int firstMove, int lastMove)
18690 if(appData.icsActive) { // only in local mode
18691 forwardMostMove = currentMove; // mimic old ICS behavior
18694 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18696 PushInner(firstMove, lastMove);
18697 if(storedGames == 1) GreyRevert(FALSE);
18698 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18702 PopInner (Boolean annotate)
18705 char buf[8000], moveBuf[20];
18707 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18708 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18709 nrMoves = savedLast[storedGames] - currentMove;
18712 if(!WhiteOnMove(currentMove))
18713 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18714 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18715 for(i=currentMove; i<forwardMostMove; i++) {
18717 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18718 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18719 strcat(buf, moveBuf);
18720 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18721 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18725 for(i=1; i<=nrMoves; i++) { // copy last variation back
18726 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18727 for(j=0; j<MOVE_LEN; j++)
18728 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18729 for(j=0; j<2*MOVE_LEN; j++)
18730 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18731 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18732 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18733 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18734 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18735 commentList[currentMove+i] = commentList[framePtr+i];
18736 commentList[framePtr+i] = NULL;
18738 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18739 framePtr = savedFramePtr[storedGames];
18740 gameInfo.result = savedResult[storedGames];
18741 if(gameInfo.resultDetails != NULL) {
18742 free(gameInfo.resultDetails);
18744 gameInfo.resultDetails = savedDetails[storedGames];
18745 forwardMostMove = currentMove + nrMoves;
18749 PopTail (Boolean annotate)
18751 if(appData.icsActive) return FALSE; // only in local mode
18752 if(!storedGames) return FALSE; // sanity
18753 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18755 PopInner(annotate);
18756 if(currentMove < forwardMostMove) ForwardEvent(); else
18757 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18759 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18765 { // remove all shelved variations
18767 for(i=0; i<storedGames; i++) {
18768 if(savedDetails[i])
18769 free(savedDetails[i]);
18770 savedDetails[i] = NULL;
18772 for(i=framePtr; i<MAX_MOVES; i++) {
18773 if(commentList[i]) free(commentList[i]);
18774 commentList[i] = NULL;
18776 framePtr = MAX_MOVES-1;
18781 LoadVariation (int index, char *text)
18782 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18783 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18784 int level = 0, move;
18786 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18787 // first find outermost bracketing variation
18788 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18789 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18790 if(*p == '{') wait = '}'; else
18791 if(*p == '[') wait = ']'; else
18792 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18793 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18795 if(*p == wait) wait = NULLCHAR; // closing ]} found
18798 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18799 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18800 end[1] = NULLCHAR; // clip off comment beyond variation
18801 ToNrEvent(currentMove-1);
18802 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18803 // kludge: use ParsePV() to append variation to game
18804 move = currentMove;
18805 ParsePV(start, TRUE, TRUE);
18806 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18807 ClearPremoveHighlights();
18809 ToNrEvent(currentMove+1);
18815 char *p, *q, buf[MSG_SIZ];
18816 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18817 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18818 ParseArgsFromString(buf);
18819 ActivateTheme(TRUE); // also redo colors
18823 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18826 q = appData.themeNames;
18827 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18828 if(appData.useBitmaps) {
18829 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18830 appData.liteBackTextureFile, appData.darkBackTextureFile,
18831 appData.liteBackTextureMode,
18832 appData.darkBackTextureMode );
18834 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18835 Col2Text(2), // lightSquareColor
18836 Col2Text(3) ); // darkSquareColor
18838 if(appData.useBorder) {
18839 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18842 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18844 if(appData.useFont) {
18845 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18846 appData.renderPiecesWithFont,
18847 appData.fontToPieceTable,
18848 Col2Text(9), // appData.fontBackColorWhite
18849 Col2Text(10) ); // appData.fontForeColorBlack
18851 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18852 appData.pieceDirectory);
18853 if(!appData.pieceDirectory[0])
18854 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18855 Col2Text(0), // whitePieceColor
18856 Col2Text(1) ); // blackPieceColor
18858 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18859 Col2Text(4), // highlightSquareColor
18860 Col2Text(5) ); // premoveHighlightColor
18861 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18862 if(insert != q) insert[-1] = NULLCHAR;
18863 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18866 ActivateTheme(FALSE);