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 ChessSquare partner = promoPartner[*p];
5387 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5395 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5396 static int toggleFlag;
5397 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5398 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5399 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5400 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5401 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5402 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5404 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5405 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5406 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5407 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5408 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5409 if(!step) step = -1;
5410 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5411 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5412 promoRestrict[0] ? !strchr(promoRestrict, ToUpper(PieceToChar(promoSweep))) : // if choice set available, use it
5413 promoSweep == pawn ||
5414 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5415 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5417 int victim = boards[currentMove][toY][toX];
5418 boards[currentMove][toY][toX] = promoSweep;
5419 DrawPosition(FALSE, boards[currentMove]);
5420 boards[currentMove][toY][toX] = victim;
5422 ChangeDragPiece(promoSweep);
5426 PromoScroll (int x, int y)
5430 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5431 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5432 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5433 if(!step) return FALSE;
5434 lastX = x; lastY = y;
5435 if((promoSweep < BlackPawn) == flipView) step = -step;
5436 if(step > 0) selectFlag = 1;
5437 if(!selectFlag) Sweep(step);
5442 NextPiece (int step)
5444 ChessSquare piece = boards[currentMove][toY][toX];
5447 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5448 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5449 if(!step) step = -1;
5450 } while(PieceToChar(pieceSweep) == '.');
5451 boards[currentMove][toY][toX] = pieceSweep;
5452 DrawPosition(FALSE, boards[currentMove]);
5453 boards[currentMove][toY][toX] = piece;
5455 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5457 AlphaRank (char *move, int n)
5459 // char *p = move, c; int x, y;
5461 if (appData.debugMode) {
5462 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5466 move[2]>='0' && move[2]<='9' &&
5467 move[3]>='a' && move[3]<='x' ) {
5469 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5470 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5472 if(move[0]>='0' && move[0]<='9' &&
5473 move[1]>='a' && move[1]<='x' &&
5474 move[2]>='0' && move[2]<='9' &&
5475 move[3]>='a' && move[3]<='x' ) {
5476 /* input move, Shogi -> normal */
5477 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5478 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5479 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5480 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5483 move[3]>='0' && move[3]<='9' &&
5484 move[2]>='a' && move[2]<='x' ) {
5486 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5487 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5490 move[0]>='a' && move[0]<='x' &&
5491 move[3]>='0' && move[3]<='9' &&
5492 move[2]>='a' && move[2]<='x' ) {
5493 /* output move, normal -> Shogi */
5494 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5495 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5496 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5497 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5498 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5500 if (appData.debugMode) {
5501 fprintf(debugFP, " out = '%s'\n", move);
5505 char yy_textstr[8000];
5507 /* Parser for moves from gnuchess, ICS, or user typein box */
5509 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5511 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5513 switch (*moveType) {
5514 case WhitePromotion:
5515 case BlackPromotion:
5516 case WhiteNonPromotion:
5517 case BlackNonPromotion:
5520 case WhiteCapturesEnPassant:
5521 case BlackCapturesEnPassant:
5522 case WhiteKingSideCastle:
5523 case WhiteQueenSideCastle:
5524 case BlackKingSideCastle:
5525 case BlackQueenSideCastle:
5526 case WhiteKingSideCastleWild:
5527 case WhiteQueenSideCastleWild:
5528 case BlackKingSideCastleWild:
5529 case BlackQueenSideCastleWild:
5530 /* Code added by Tord: */
5531 case WhiteHSideCastleFR:
5532 case WhiteASideCastleFR:
5533 case BlackHSideCastleFR:
5534 case BlackASideCastleFR:
5535 /* End of code added by Tord */
5536 case IllegalMove: /* bug or odd chess variant */
5537 if(currentMoveString[1] == '@') { // illegal drop
5538 *fromX = WhiteOnMove(moveNum) ?
5539 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5540 (int) CharToPiece(ToLower(currentMoveString[0]));
5543 *fromX = currentMoveString[0] - AAA;
5544 *fromY = currentMoveString[1] - ONE;
5545 *toX = currentMoveString[2] - AAA;
5546 *toY = currentMoveString[3] - ONE;
5547 *promoChar = currentMoveString[4];
5548 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5549 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5550 if (appData.debugMode) {
5551 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5553 *fromX = *fromY = *toX = *toY = 0;
5556 if (appData.testLegality) {
5557 return (*moveType != IllegalMove);
5559 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5560 // [HGM] lion: if this is a double move we are less critical
5561 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5566 *fromX = *moveType == WhiteDrop ?
5567 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5568 (int) CharToPiece(ToLower(currentMoveString[0]));
5571 *toX = currentMoveString[2] - AAA;
5572 *toY = currentMoveString[3] - ONE;
5573 *promoChar = NULLCHAR;
5577 case ImpossibleMove:
5587 if (appData.debugMode) {
5588 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5591 *fromX = *fromY = *toX = *toY = 0;
5592 *promoChar = NULLCHAR;
5597 Boolean pushed = FALSE;
5598 char *lastParseAttempt;
5601 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5602 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5603 int fromX, fromY, toX, toY; char promoChar;
5608 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5609 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5610 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5613 endPV = forwardMostMove;
5615 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5616 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5617 lastParseAttempt = pv;
5618 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5619 if(!valid && nr == 0 &&
5620 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5621 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5622 // Hande case where played move is different from leading PV move
5623 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5624 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5625 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5626 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5627 endPV += 2; // if position different, keep this
5628 moveList[endPV-1][0] = fromX + AAA;
5629 moveList[endPV-1][1] = fromY + ONE;
5630 moveList[endPV-1][2] = toX + AAA;
5631 moveList[endPV-1][3] = toY + ONE;
5632 parseList[endPV-1][0] = NULLCHAR;
5633 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5636 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5637 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5638 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5639 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5640 valid++; // allow comments in PV
5644 if(endPV+1 > framePtr) break; // no space, truncate
5647 CopyBoard(boards[endPV], boards[endPV-1]);
5648 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5649 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5650 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5651 CoordsToAlgebraic(boards[endPV - 1],
5652 PosFlags(endPV - 1),
5653 fromY, fromX, toY, toX, promoChar,
5654 parseList[endPV - 1]);
5656 if(atEnd == 2) return; // used hidden, for PV conversion
5657 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5658 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5659 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5660 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5661 DrawPosition(TRUE, boards[currentMove]);
5665 MultiPV (ChessProgramState *cps, int kind)
5666 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5668 for(i=0; i<cps->nrOptions; i++) {
5669 char *s = cps->option[i].name;
5670 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5671 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5672 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5677 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5678 static int multi, pv_margin;
5679 static ChessProgramState *activeCps;
5682 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5684 int startPV, lineStart, origIndex = index;
5685 char *p, buf2[MSG_SIZ];
5686 ChessProgramState *cps = (pane ? &second : &first);
5688 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5689 lastX = x; lastY = y;
5690 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5691 lineStart = startPV = index;
5692 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5693 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5695 do{ while(buf[index] && buf[index] != '\n') index++;
5696 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5698 if(lineStart == 0 && gameMode == AnalyzeMode) {
5700 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5701 if(n == 0) { // click not on "fewer" or "more"
5702 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5703 pv_margin = cps->option[multi].value;
5704 activeCps = cps; // non-null signals margin adjustment
5706 } else if((multi = MultiPV(cps, 1)) >= 0) {
5707 n += cps->option[multi].value; if(n < 1) n = 1;
5708 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5709 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5710 cps->option[multi].value = n;
5714 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5715 ExcludeClick(origIndex - lineStart);
5717 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5718 Collapse(origIndex - lineStart);
5721 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5722 *start = startPV; *end = index-1;
5723 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5730 static char buf[10*MSG_SIZ];
5731 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5733 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5734 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5735 for(i = forwardMostMove; i<endPV; i++){
5736 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5737 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5740 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5741 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5742 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5748 LoadPV (int x, int y)
5749 { // called on right mouse click to load PV
5750 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5751 lastX = x; lastY = y;
5752 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5760 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5762 if(pv_margin != activeCps->option[multi].value) {
5764 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5765 SendToProgram(buf, activeCps);
5766 activeCps->option[multi].value = pv_margin;
5771 if(endPV < 0) return;
5772 if(appData.autoCopyPV) CopyFENToClipboard();
5774 if(extendGame && currentMove > forwardMostMove) {
5775 Boolean saveAnimate = appData.animate;
5777 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5778 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5779 } else storedGames--; // abandon shelved tail of original game
5782 forwardMostMove = currentMove;
5783 currentMove = oldFMM;
5784 appData.animate = FALSE;
5785 ToNrEvent(forwardMostMove);
5786 appData.animate = saveAnimate;
5788 currentMove = forwardMostMove;
5789 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5790 ClearPremoveHighlights();
5791 DrawPosition(TRUE, boards[currentMove]);
5795 MovePV (int x, int y, int h)
5796 { // step through PV based on mouse coordinates (called on mouse move)
5797 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5799 if(activeCps) { // adjusting engine's multi-pv margin
5800 if(x > lastX) pv_margin++; else
5801 if(x < lastX) pv_margin -= (pv_margin > 0);
5804 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5805 DisplayMessage(buf, "");
5810 // we must somehow check if right button is still down (might be released off board!)
5811 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5812 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5813 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5815 lastX = x; lastY = y;
5817 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5818 if(endPV < 0) return;
5819 if(y < margin) step = 1; else
5820 if(y > h - margin) step = -1;
5821 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5822 currentMove += step;
5823 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5824 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5825 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5826 DrawPosition(FALSE, boards[currentMove]);
5830 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5831 // All positions will have equal probability, but the current method will not provide a unique
5832 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5838 int piecesLeft[(int)BlackPawn];
5839 int seed, nrOfShuffles;
5842 GetPositionNumber ()
5843 { // sets global variable seed
5846 seed = appData.defaultFrcPosition;
5847 if(seed < 0) { // randomize based on time for negative FRC position numbers
5848 for(i=0; i<50; i++) seed += random();
5849 seed = random() ^ random() >> 8 ^ random() << 8;
5850 if(seed<0) seed = -seed;
5855 put (Board board, int pieceType, int rank, int n, int shade)
5856 // put the piece on the (n-1)-th empty squares of the given shade
5860 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5861 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5862 board[rank][i] = (ChessSquare) pieceType;
5863 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5865 piecesLeft[pieceType]--;
5874 AddOnePiece (Board board, int pieceType, int rank, int shade)
5875 // calculate where the next piece goes, (any empty square), and put it there
5879 i = seed % squaresLeft[shade];
5880 nrOfShuffles *= squaresLeft[shade];
5881 seed /= squaresLeft[shade];
5882 put(board, pieceType, rank, i, shade);
5886 AddTwoPieces (Board board, int pieceType, int rank)
5887 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5889 int i, n=squaresLeft[ANY], j=n-1, k;
5891 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5892 i = seed % k; // pick one
5895 while(i >= j) i -= j--;
5896 j = n - 1 - j; i += j;
5897 put(board, pieceType, rank, j, ANY);
5898 put(board, pieceType, rank, i, ANY);
5902 SetUpShuffle (Board board, int number)
5906 GetPositionNumber(); nrOfShuffles = 1;
5908 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5909 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5910 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5912 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5914 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5915 p = (int) board[0][i];
5916 if(p < (int) BlackPawn) piecesLeft[p] ++;
5917 board[0][i] = EmptySquare;
5920 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5921 // shuffles restricted to allow normal castling put KRR first
5922 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5923 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5924 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5925 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5926 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5927 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5928 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5929 put(board, WhiteRook, 0, 0, ANY);
5930 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5933 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5934 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5935 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5936 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5937 while(piecesLeft[p] >= 2) {
5938 AddOnePiece(board, p, 0, LITE);
5939 AddOnePiece(board, p, 0, DARK);
5941 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5944 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5945 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5946 // but we leave King and Rooks for last, to possibly obey FRC restriction
5947 if(p == (int)WhiteRook) continue;
5948 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5949 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5952 // now everything is placed, except perhaps King (Unicorn) and Rooks
5954 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5955 // Last King gets castling rights
5956 while(piecesLeft[(int)WhiteUnicorn]) {
5957 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5958 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5961 while(piecesLeft[(int)WhiteKing]) {
5962 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5963 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5968 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5969 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5972 // Only Rooks can be left; simply place them all
5973 while(piecesLeft[(int)WhiteRook]) {
5974 i = put(board, WhiteRook, 0, 0, ANY);
5975 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5978 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5980 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5983 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5984 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5987 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5991 ptclen (const char *s, char *escapes)
5994 if(!*escapes) return strlen(s);
5995 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)), s++;
6000 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6001 /* [HGM] moved here from winboard.c because of its general usefulness */
6002 /* Basically a safe strcpy that uses the last character as King */
6004 int result = FALSE; int NrPieces, offs;
6005 unsigned char partner[EmptySquare];
6007 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6008 && NrPieces >= 12 && !(NrPieces&1)) {
6009 int i, j = 0; /* [HGM] Accept even length from 12 to 88 */
6011 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6012 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6014 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
6015 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6016 table[i + offs] = map[j++];
6017 if(p = strchr(escapes, map[j])) j++, table[i + offs] += 64*(p - escapes + 1);
6018 if(c) partner[i + offs] = table[i + offs], table[i + offs] = c;
6020 table[(int) WhiteKing] = map[j++];
6021 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6023 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
6024 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6025 table[WHITE_TO_BLACK i + offs] = map[j++];
6026 if(p = strchr(escapes, map[j])) j++, table[WHITE_TO_BLACK i + offs] += 64*(p - escapes + 1);
6027 if(c) partner[WHITE_TO_BLACK i + offs] = table[WHITE_TO_BLACK i + offs], table[WHITE_TO_BLACK i + offs] = c;
6029 table[(int) BlackKing] = map[j++];
6032 if(*escapes) { // set up promotion pairing
6033 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6034 // pieceToChar entirely filled, so we can look up specified partners
6035 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6037 if(c == '^' || c == '-') { // has specified partner
6039 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6040 if(c == '^') table[i] = '+';
6041 if(p < EmptySquare) promoPartner[p] = i, promoPartner[i] = p; // marry them
6042 } else if(c == '*') promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6053 SetCharTable (unsigned char *table, const char * map)
6055 return SetCharTableEsc(table, map, "");
6059 Prelude (Board board)
6060 { // [HGM] superchess: random selection of exo-pieces
6061 int i, j, k; ChessSquare p;
6062 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6064 GetPositionNumber(); // use FRC position number
6066 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6067 SetCharTable(pieceToChar, appData.pieceToCharTable);
6068 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6069 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6072 j = seed%4; seed /= 4;
6073 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6074 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6075 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6076 j = seed%3 + (seed%3 >= j); seed /= 3;
6077 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6078 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6079 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6080 j = seed%3; seed /= 3;
6081 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6082 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6083 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6084 j = seed%2 + (seed%2 >= j); seed /= 2;
6085 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6086 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6087 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6088 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6089 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6090 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6091 put(board, exoPieces[0], 0, 0, ANY);
6092 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6096 InitPosition (int redraw)
6098 ChessSquare (* pieces)[BOARD_FILES];
6099 int i, j, pawnRow=1, pieceRows=1, overrule,
6100 oldx = gameInfo.boardWidth,
6101 oldy = gameInfo.boardHeight,
6102 oldh = gameInfo.holdingsWidth;
6105 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6107 /* [AS] Initialize pv info list [HGM] and game status */
6109 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6110 pvInfoList[i].depth = 0;
6111 boards[i][EP_STATUS] = EP_NONE;
6112 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6115 initialRulePlies = 0; /* 50-move counter start */
6117 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6118 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6122 /* [HGM] logic here is completely changed. In stead of full positions */
6123 /* the initialized data only consist of the two backranks. The switch */
6124 /* selects which one we will use, which is than copied to the Board */
6125 /* initialPosition, which for the rest is initialized by Pawns and */
6126 /* empty squares. This initial position is then copied to boards[0], */
6127 /* possibly after shuffling, so that it remains available. */
6129 gameInfo.holdingsWidth = 0; /* default board sizes */
6130 gameInfo.boardWidth = 8;
6131 gameInfo.boardHeight = 8;
6132 gameInfo.holdingsSize = 0;
6133 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6134 for(i=0; i<BOARD_FILES-6; i++)
6135 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6136 initialPosition[EP_STATUS] = EP_NONE;
6137 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6138 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6139 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6140 SetCharTable(pieceNickName, appData.pieceNickNames);
6141 else SetCharTable(pieceNickName, "............");
6144 switch (gameInfo.variant) {
6145 case VariantFischeRandom:
6146 shuffleOpenings = TRUE;
6147 appData.fischerCastling = TRUE;
6150 case VariantShatranj:
6151 pieces = ShatranjArray;
6152 nrCastlingRights = 0;
6153 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6156 pieces = makrukArray;
6157 nrCastlingRights = 0;
6158 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6161 pieces = aseanArray;
6162 nrCastlingRights = 0;
6163 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6165 case VariantTwoKings:
6166 pieces = twoKingsArray;
6169 pieces = GrandArray;
6170 nrCastlingRights = 0;
6171 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6172 gameInfo.boardWidth = 10;
6173 gameInfo.boardHeight = 10;
6174 gameInfo.holdingsSize = 7;
6176 case VariantCapaRandom:
6177 shuffleOpenings = TRUE;
6178 appData.fischerCastling = TRUE;
6179 case VariantCapablanca:
6180 pieces = CapablancaArray;
6181 gameInfo.boardWidth = 10;
6182 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6185 pieces = GothicArray;
6186 gameInfo.boardWidth = 10;
6187 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6190 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6191 gameInfo.holdingsSize = 7;
6192 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6195 pieces = JanusArray;
6196 gameInfo.boardWidth = 10;
6197 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6198 nrCastlingRights = 6;
6199 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6200 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6201 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6202 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6203 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6204 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6207 pieces = FalconArray;
6208 gameInfo.boardWidth = 10;
6209 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6211 case VariantXiangqi:
6212 pieces = XiangqiArray;
6213 gameInfo.boardWidth = 9;
6214 gameInfo.boardHeight = 10;
6215 nrCastlingRights = 0;
6216 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6219 pieces = ShogiArray;
6220 gameInfo.boardWidth = 9;
6221 gameInfo.boardHeight = 9;
6222 gameInfo.holdingsSize = 7;
6223 nrCastlingRights = 0;
6224 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6227 pieces = ChuArray; pieceRows = 3;
6228 gameInfo.boardWidth = 12;
6229 gameInfo.boardHeight = 12;
6230 nrCastlingRights = 0;
6231 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN/^P.^B^R.^S^E^X^O^G^C^A^T^H^D.^V^M^L^I^FK"
6232 "p.brqsexogcathd.vmlifn/^p.^b^r.^s^e^x^o^g^c^a^t^h^d.^v^m^l^i^fk", SUFFIXES);
6234 case VariantCourier:
6235 pieces = CourierArray;
6236 gameInfo.boardWidth = 12;
6237 nrCastlingRights = 0;
6238 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6240 case VariantKnightmate:
6241 pieces = KnightmateArray;
6242 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6244 case VariantSpartan:
6245 pieces = SpartanArray;
6246 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6250 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6252 case VariantChuChess:
6253 pieces = ChuChessArray;
6254 gameInfo.boardWidth = 10;
6255 gameInfo.boardHeight = 10;
6256 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6259 pieces = fairyArray;
6260 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6263 pieces = GreatArray;
6264 gameInfo.boardWidth = 10;
6265 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6266 gameInfo.holdingsSize = 8;
6270 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6271 gameInfo.holdingsSize = 8;
6272 startedFromSetupPosition = TRUE;
6274 case VariantCrazyhouse:
6275 case VariantBughouse:
6277 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6278 gameInfo.holdingsSize = 5;
6280 case VariantWildCastle:
6282 /* !!?shuffle with kings guaranteed to be on d or e file */
6283 shuffleOpenings = 1;
6285 case VariantNoCastle:
6287 nrCastlingRights = 0;
6288 /* !!?unconstrained back-rank shuffle */
6289 shuffleOpenings = 1;
6294 if(appData.NrFiles >= 0) {
6295 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6296 gameInfo.boardWidth = appData.NrFiles;
6298 if(appData.NrRanks >= 0) {
6299 gameInfo.boardHeight = appData.NrRanks;
6301 if(appData.holdingsSize >= 0) {
6302 i = appData.holdingsSize;
6303 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6304 gameInfo.holdingsSize = i;
6306 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6307 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6308 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6310 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6311 if(pawnRow < 1) pawnRow = 1;
6312 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6313 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6314 if(gameInfo.variant == VariantChu) pawnRow = 3;
6316 /* User pieceToChar list overrules defaults */
6317 if(appData.pieceToCharTable != NULL)
6318 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6320 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6322 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6323 s = (ChessSquare) 0; /* account holding counts in guard band */
6324 for( i=0; i<BOARD_HEIGHT; i++ )
6325 initialPosition[i][j] = s;
6327 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6328 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6329 initialPosition[pawnRow][j] = WhitePawn;
6330 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6331 if(gameInfo.variant == VariantXiangqi) {
6333 initialPosition[pawnRow][j] =
6334 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6335 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6336 initialPosition[2][j] = WhiteCannon;
6337 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6341 if(gameInfo.variant == VariantChu) {
6342 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6343 initialPosition[pawnRow+1][j] = WhiteCobra,
6344 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6345 for(i=1; i<pieceRows; i++) {
6346 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6347 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6350 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6351 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6352 initialPosition[0][j] = WhiteRook;
6353 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6356 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6358 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6359 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6362 initialPosition[1][j] = WhiteBishop;
6363 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6365 initialPosition[1][j] = WhiteRook;
6366 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6369 if( nrCastlingRights == -1) {
6370 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6371 /* This sets default castling rights from none to normal corners */
6372 /* Variants with other castling rights must set them themselves above */
6373 nrCastlingRights = 6;
6375 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6376 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6377 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6378 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6379 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6380 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6383 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6384 if(gameInfo.variant == VariantGreat) { // promotion commoners
6385 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6386 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6387 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6388 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6390 if( gameInfo.variant == VariantSChess ) {
6391 initialPosition[1][0] = BlackMarshall;
6392 initialPosition[2][0] = BlackAngel;
6393 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6394 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6395 initialPosition[1][1] = initialPosition[2][1] =
6396 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6398 if (appData.debugMode) {
6399 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6401 if(shuffleOpenings) {
6402 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6403 startedFromSetupPosition = TRUE;
6405 if(startedFromPositionFile) {
6406 /* [HGM] loadPos: use PositionFile for every new game */
6407 CopyBoard(initialPosition, filePosition);
6408 for(i=0; i<nrCastlingRights; i++)
6409 initialRights[i] = filePosition[CASTLING][i];
6410 startedFromSetupPosition = TRUE;
6413 CopyBoard(boards[0], initialPosition);
6415 if(oldx != gameInfo.boardWidth ||
6416 oldy != gameInfo.boardHeight ||
6417 oldv != gameInfo.variant ||
6418 oldh != gameInfo.holdingsWidth
6420 InitDrawingSizes(-2 ,0);
6422 oldv = gameInfo.variant;
6424 DrawPosition(TRUE, boards[currentMove]);
6428 SendBoard (ChessProgramState *cps, int moveNum)
6430 char message[MSG_SIZ];
6432 if (cps->useSetboard) {
6433 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6434 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6435 SendToProgram(message, cps);
6440 int i, j, left=0, right=BOARD_WIDTH;
6441 /* Kludge to set black to move, avoiding the troublesome and now
6442 * deprecated "black" command.
6444 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6445 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6447 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6449 SendToProgram("edit\n", cps);
6450 SendToProgram("#\n", cps);
6451 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6452 bp = &boards[moveNum][i][left];
6453 for (j = left; j < right; j++, bp++) {
6454 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6455 if ((int) *bp < (int) BlackPawn) {
6456 if(j == BOARD_RGHT+1)
6457 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6458 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6459 if(message[0] == '+' || message[0] == '~') {
6460 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6461 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6462 AAA + j, ONE + i - '0');
6464 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6465 message[1] = BOARD_RGHT - 1 - j + '1';
6466 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6468 SendToProgram(message, cps);
6473 SendToProgram("c\n", cps);
6474 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6475 bp = &boards[moveNum][i][left];
6476 for (j = left; j < right; j++, bp++) {
6477 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6478 if (((int) *bp != (int) EmptySquare)
6479 && ((int) *bp >= (int) BlackPawn)) {
6480 if(j == BOARD_LEFT-2)
6481 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6482 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6483 AAA + j, ONE + i - '0');
6484 if(message[0] == '+' || message[0] == '~') {
6485 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6486 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6487 AAA + j, ONE + i - '0');
6489 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6490 message[1] = BOARD_RGHT - 1 - j + '1';
6491 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6493 SendToProgram(message, cps);
6498 SendToProgram(".\n", cps);
6500 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6503 char exclusionHeader[MSG_SIZ];
6504 int exCnt, excludePtr;
6505 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6506 static Exclusion excluTab[200];
6507 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6513 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6514 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6520 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6521 excludePtr = 24; exCnt = 0;
6526 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6527 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6528 char buf[2*MOVE_LEN], *p;
6529 Exclusion *e = excluTab;
6531 for(i=0; i<exCnt; i++)
6532 if(e[i].ff == fromX && e[i].fr == fromY &&
6533 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6534 if(i == exCnt) { // was not in exclude list; add it
6535 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6536 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6537 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6540 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6541 excludePtr++; e[i].mark = excludePtr++;
6542 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6545 exclusionHeader[e[i].mark] = state;
6549 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6550 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6554 if((signed char)promoChar == -1) { // kludge to indicate best move
6555 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6556 return 1; // if unparsable, abort
6558 // update exclusion map (resolving toggle by consulting existing state)
6559 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6561 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6562 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6563 excludeMap[k] |= 1<<j;
6564 else excludeMap[k] &= ~(1<<j);
6566 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6568 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6569 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6571 return (state == '+');
6575 ExcludeClick (int index)
6578 Exclusion *e = excluTab;
6579 if(index < 25) { // none, best or tail clicked
6580 if(index < 13) { // none: include all
6581 WriteMap(0); // clear map
6582 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6583 SendToBoth("include all\n"); // and inform engine
6584 } else if(index > 18) { // tail
6585 if(exclusionHeader[19] == '-') { // tail was excluded
6586 SendToBoth("include all\n");
6587 WriteMap(0); // clear map completely
6588 // now re-exclude selected moves
6589 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6590 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6591 } else { // tail was included or in mixed state
6592 SendToBoth("exclude all\n");
6593 WriteMap(0xFF); // fill map completely
6594 // now re-include selected moves
6595 j = 0; // count them
6596 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6597 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6598 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6601 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6604 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6605 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6606 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6613 DefaultPromoChoice (int white)
6616 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6617 gameInfo.variant == VariantMakruk)
6618 result = WhiteFerz; // no choice
6619 else if(gameInfo.variant == VariantASEAN)
6620 result = WhiteRook; // no choice
6621 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6622 result= WhiteKing; // in Suicide Q is the last thing we want
6623 else if(gameInfo.variant == VariantSpartan)
6624 result = white ? WhiteQueen : WhiteAngel;
6625 else result = WhiteQueen;
6626 if(!white) result = WHITE_TO_BLACK result;
6630 static int autoQueen; // [HGM] oneclick
6633 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6635 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6636 /* [HGM] add Shogi promotions */
6637 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6638 ChessSquare piece, partner;
6642 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6643 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6645 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6646 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6649 piece = boards[currentMove][fromY][fromX];
6650 if(gameInfo.variant == VariantChu) {
6651 promotionZoneSize = BOARD_HEIGHT/3;
6652 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6653 } else if(gameInfo.variant == VariantShogi) {
6654 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6655 highestPromotingPiece = (int)WhiteAlfil;
6656 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6657 promotionZoneSize = 3;
6660 // Treat Lance as Pawn when it is not representing Amazon or Lance
6661 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6662 if(piece == WhiteLance) piece = WhitePawn; else
6663 if(piece == BlackLance) piece = BlackPawn;
6666 // next weed out all moves that do not touch the promotion zone at all
6667 if((int)piece >= BlackPawn) {
6668 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6670 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6671 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6673 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6674 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6675 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6679 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6681 // weed out mandatory Shogi promotions
6682 if(gameInfo.variant == VariantShogi) {
6683 if(piece >= BlackPawn) {
6684 if(toY == 0 && piece == BlackPawn ||
6685 toY == 0 && piece == BlackQueen ||
6686 toY <= 1 && piece == BlackKnight) {
6691 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6692 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6693 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6700 // weed out obviously illegal Pawn moves
6701 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6702 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6703 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6704 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6705 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6706 // note we are not allowed to test for valid (non-)capture, due to premove
6709 // we either have a choice what to promote to, or (in Shogi) whether to promote
6710 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6711 gameInfo.variant == VariantMakruk) {
6712 ChessSquare p=BlackFerz; // no choice
6713 while(p < EmptySquare) { //but make sure we use piece that exists
6714 *promoChoice = PieceToChar(p++);
6715 if(*promoChoice != '.') break;
6719 // no sense asking what we must promote to if it is going to explode...
6720 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6721 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6724 // give caller the default choice even if we will not make it
6725 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6726 partner = piece; // pieces can promote if the pieceToCharTable says so
6727 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6728 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6729 if( sweepSelect && gameInfo.variant != VariantGreat
6730 && gameInfo.variant != VariantGrand
6731 && gameInfo.variant != VariantSuper) return FALSE;
6732 if(autoQueen) return FALSE; // predetermined
6734 // suppress promotion popup on illegal moves that are not premoves
6735 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6736 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6737 if(appData.testLegality && !premove) {
6738 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6739 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6740 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6741 if(moveType != WhitePromotion && moveType != BlackPromotion)
6749 InPalace (int row, int column)
6750 { /* [HGM] for Xiangqi */
6751 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6752 column < (BOARD_WIDTH + 4)/2 &&
6753 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6758 PieceForSquare (int x, int y)
6760 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6763 return boards[currentMove][y][x];
6767 OKToStartUserMove (int x, int y)
6769 ChessSquare from_piece;
6772 if (matchMode) return FALSE;
6773 if (gameMode == EditPosition) return TRUE;
6775 if (x >= 0 && y >= 0)
6776 from_piece = boards[currentMove][y][x];
6778 from_piece = EmptySquare;
6780 if (from_piece == EmptySquare) return FALSE;
6782 white_piece = (int)from_piece >= (int)WhitePawn &&
6783 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6787 case TwoMachinesPlay:
6795 case MachinePlaysWhite:
6796 case IcsPlayingBlack:
6797 if (appData.zippyPlay) return FALSE;
6799 DisplayMoveError(_("You are playing Black"));
6804 case MachinePlaysBlack:
6805 case IcsPlayingWhite:
6806 if (appData.zippyPlay) return FALSE;
6808 DisplayMoveError(_("You are playing White"));
6813 case PlayFromGameFile:
6814 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6816 if (!white_piece && WhiteOnMove(currentMove)) {
6817 DisplayMoveError(_("It is White's turn"));
6820 if (white_piece && !WhiteOnMove(currentMove)) {
6821 DisplayMoveError(_("It is Black's turn"));
6824 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6825 /* Editing correspondence game history */
6826 /* Could disallow this or prompt for confirmation */
6831 case BeginningOfGame:
6832 if (appData.icsActive) return FALSE;
6833 if (!appData.noChessProgram) {
6835 DisplayMoveError(_("You are playing White"));
6842 if (!white_piece && WhiteOnMove(currentMove)) {
6843 DisplayMoveError(_("It is White's turn"));
6846 if (white_piece && !WhiteOnMove(currentMove)) {
6847 DisplayMoveError(_("It is Black's turn"));
6856 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6857 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6858 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6859 && gameMode != AnalyzeFile && gameMode != Training) {
6860 DisplayMoveError(_("Displayed position is not current"));
6867 OnlyMove (int *x, int *y, Boolean captures)
6869 DisambiguateClosure cl;
6870 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6872 case MachinePlaysBlack:
6873 case IcsPlayingWhite:
6874 case BeginningOfGame:
6875 if(!WhiteOnMove(currentMove)) return FALSE;
6877 case MachinePlaysWhite:
6878 case IcsPlayingBlack:
6879 if(WhiteOnMove(currentMove)) return FALSE;
6886 cl.pieceIn = EmptySquare;
6891 cl.promoCharIn = NULLCHAR;
6892 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6893 if( cl.kind == NormalMove ||
6894 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6895 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6896 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6903 if(cl.kind != ImpossibleMove) return FALSE;
6904 cl.pieceIn = EmptySquare;
6909 cl.promoCharIn = NULLCHAR;
6910 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6911 if( cl.kind == NormalMove ||
6912 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6913 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6914 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6919 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6925 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6926 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6927 int lastLoadGameUseList = FALSE;
6928 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6929 ChessMove lastLoadGameStart = EndOfFile;
6931 Boolean addToBookFlag;
6934 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6938 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6940 /* Check if the user is playing in turn. This is complicated because we
6941 let the user "pick up" a piece before it is his turn. So the piece he
6942 tried to pick up may have been captured by the time he puts it down!
6943 Therefore we use the color the user is supposed to be playing in this
6944 test, not the color of the piece that is currently on the starting
6945 square---except in EditGame mode, where the user is playing both
6946 sides; fortunately there the capture race can't happen. (It can
6947 now happen in IcsExamining mode, but that's just too bad. The user
6948 will get a somewhat confusing message in that case.)
6953 case TwoMachinesPlay:
6957 /* We switched into a game mode where moves are not accepted,
6958 perhaps while the mouse button was down. */
6961 case MachinePlaysWhite:
6962 /* User is moving for Black */
6963 if (WhiteOnMove(currentMove)) {
6964 DisplayMoveError(_("It is White's turn"));
6969 case MachinePlaysBlack:
6970 /* User is moving for White */
6971 if (!WhiteOnMove(currentMove)) {
6972 DisplayMoveError(_("It is Black's turn"));
6977 case PlayFromGameFile:
6978 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6981 case BeginningOfGame:
6984 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6985 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6986 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6987 /* User is moving for Black */
6988 if (WhiteOnMove(currentMove)) {
6989 DisplayMoveError(_("It is White's turn"));
6993 /* User is moving for White */
6994 if (!WhiteOnMove(currentMove)) {
6995 DisplayMoveError(_("It is Black's turn"));
7001 case IcsPlayingBlack:
7002 /* User is moving for Black */
7003 if (WhiteOnMove(currentMove)) {
7004 if (!appData.premove) {
7005 DisplayMoveError(_("It is White's turn"));
7006 } else if (toX >= 0 && toY >= 0) {
7009 premoveFromX = fromX;
7010 premoveFromY = fromY;
7011 premovePromoChar = promoChar;
7013 if (appData.debugMode)
7014 fprintf(debugFP, "Got premove: fromX %d,"
7015 "fromY %d, toX %d, toY %d\n",
7016 fromX, fromY, toX, toY);
7022 case IcsPlayingWhite:
7023 /* User is moving for White */
7024 if (!WhiteOnMove(currentMove)) {
7025 if (!appData.premove) {
7026 DisplayMoveError(_("It is Black's turn"));
7027 } else if (toX >= 0 && toY >= 0) {
7030 premoveFromX = fromX;
7031 premoveFromY = fromY;
7032 premovePromoChar = promoChar;
7034 if (appData.debugMode)
7035 fprintf(debugFP, "Got premove: fromX %d,"
7036 "fromY %d, toX %d, toY %d\n",
7037 fromX, fromY, toX, toY);
7047 /* EditPosition, empty square, or different color piece;
7048 click-click move is possible */
7049 if (toX == -2 || toY == -2) {
7050 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7051 DrawPosition(FALSE, boards[currentMove]);
7053 } else if (toX >= 0 && toY >= 0) {
7054 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7055 ChessSquare q, p = boards[0][rf][ff];
7056 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
7057 if(CHUPROMOTED(p) < BlackPawn) p = q = CHUPROMOTED(boards[0][rf][ff]);
7058 else p = CHUDEMOTED (q = boards[0][rf][ff]);
7059 if(PieceToChar(q) == '+') gatingPiece = p;
7061 boards[0][toY][toX] = boards[0][fromY][fromX];
7062 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7063 if(boards[0][fromY][0] != EmptySquare) {
7064 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7065 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7068 if(fromX == BOARD_RGHT+1) {
7069 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7070 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7071 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7074 boards[0][fromY][fromX] = gatingPiece;
7075 DrawPosition(FALSE, boards[currentMove]);
7081 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7082 pup = boards[currentMove][toY][toX];
7084 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7085 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7086 if( pup != EmptySquare ) return;
7087 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7088 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7089 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7090 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7091 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7092 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7093 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7097 /* [HGM] always test for legality, to get promotion info */
7098 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7099 fromY, fromX, toY, toX, promoChar);
7101 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7103 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7105 /* [HGM] but possibly ignore an IllegalMove result */
7106 if (appData.testLegality) {
7107 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7108 DisplayMoveError(_("Illegal move"));
7113 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7114 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7115 ClearPremoveHighlights(); // was included
7116 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7120 if(addToBookFlag) { // adding moves to book
7121 char buf[MSG_SIZ], move[MSG_SIZ];
7122 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7123 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');
7124 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7126 addToBookFlag = FALSE;
7131 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7134 /* Common tail of UserMoveEvent and DropMenuEvent */
7136 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7140 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7141 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7142 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7143 if(WhiteOnMove(currentMove)) {
7144 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7146 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7150 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7151 move type in caller when we know the move is a legal promotion */
7152 if(moveType == NormalMove && promoChar)
7153 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7155 /* [HGM] <popupFix> The following if has been moved here from
7156 UserMoveEvent(). Because it seemed to belong here (why not allow
7157 piece drops in training games?), and because it can only be
7158 performed after it is known to what we promote. */
7159 if (gameMode == Training) {
7160 /* compare the move played on the board to the next move in the
7161 * game. If they match, display the move and the opponent's response.
7162 * If they don't match, display an error message.
7166 CopyBoard(testBoard, boards[currentMove]);
7167 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7169 if (CompareBoards(testBoard, boards[currentMove+1])) {
7170 ForwardInner(currentMove+1);
7172 /* Autoplay the opponent's response.
7173 * if appData.animate was TRUE when Training mode was entered,
7174 * the response will be animated.
7176 saveAnimate = appData.animate;
7177 appData.animate = animateTraining;
7178 ForwardInner(currentMove+1);
7179 appData.animate = saveAnimate;
7181 /* check for the end of the game */
7182 if (currentMove >= forwardMostMove) {
7183 gameMode = PlayFromGameFile;
7185 SetTrainingModeOff();
7186 DisplayInformation(_("End of game"));
7189 DisplayError(_("Incorrect move"), 0);
7194 /* Ok, now we know that the move is good, so we can kill
7195 the previous line in Analysis Mode */
7196 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7197 && currentMove < forwardMostMove) {
7198 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7199 else forwardMostMove = currentMove;
7204 /* If we need the chess program but it's dead, restart it */
7205 ResurrectChessProgram();
7207 /* A user move restarts a paused game*/
7211 thinkOutput[0] = NULLCHAR;
7213 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7215 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7216 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7220 if (gameMode == BeginningOfGame) {
7221 if (appData.noChessProgram) {
7222 gameMode = EditGame;
7226 gameMode = MachinePlaysBlack;
7229 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7231 if (first.sendName) {
7232 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7233 SendToProgram(buf, &first);
7240 /* Relay move to ICS or chess engine */
7241 if (appData.icsActive) {
7242 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7243 gameMode == IcsExamining) {
7244 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7245 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7247 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7249 // also send plain move, in case ICS does not understand atomic claims
7250 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7254 if (first.sendTime && (gameMode == BeginningOfGame ||
7255 gameMode == MachinePlaysWhite ||
7256 gameMode == MachinePlaysBlack)) {
7257 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7259 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7260 // [HGM] book: if program might be playing, let it use book
7261 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7262 first.maybeThinking = TRUE;
7263 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7264 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7265 SendBoard(&first, currentMove+1);
7266 if(second.analyzing) {
7267 if(!second.useSetboard) SendToProgram("undo\n", &second);
7268 SendBoard(&second, currentMove+1);
7271 SendMoveToProgram(forwardMostMove-1, &first);
7272 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7274 if (currentMove == cmailOldMove + 1) {
7275 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7279 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7283 if(appData.testLegality)
7284 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7290 if (WhiteOnMove(currentMove)) {
7291 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7293 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7297 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7302 case MachinePlaysBlack:
7303 case MachinePlaysWhite:
7304 /* disable certain menu options while machine is thinking */
7305 SetMachineThinkingEnables();
7312 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7313 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7315 if(bookHit) { // [HGM] book: simulate book reply
7316 static char bookMove[MSG_SIZ]; // a bit generous?
7318 programStats.nodes = programStats.depth = programStats.time =
7319 programStats.score = programStats.got_only_move = 0;
7320 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7322 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7323 strcat(bookMove, bookHit);
7324 HandleMachineMove(bookMove, &first);
7330 MarkByFEN(char *fen)
7333 if(!appData.markers || !appData.highlightDragging) return;
7334 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7335 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7339 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7340 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7341 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7342 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7343 if(*fen == 'T') marker[r][f++] = 0; else
7344 if(*fen == 'Y') marker[r][f++] = 1; else
7345 if(*fen == 'G') marker[r][f++] = 3; else
7346 if(*fen == 'B') marker[r][f++] = 4; else
7347 if(*fen == 'C') marker[r][f++] = 5; else
7348 if(*fen == 'M') marker[r][f++] = 6; else
7349 if(*fen == 'W') marker[r][f++] = 7; else
7350 if(*fen == 'D') marker[r][f++] = 8; else
7351 if(*fen == 'R') marker[r][f++] = 2; else {
7352 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7355 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7359 DrawPosition(TRUE, NULL);
7362 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7365 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7367 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7368 Markers *m = (Markers *) closure;
7369 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7370 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7371 || kind == WhiteCapturesEnPassant
7372 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 3;
7373 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7376 static int hoverSavedValid;
7379 MarkTargetSquares (int clear)
7382 if(clear) { // no reason to ever suppress clearing
7383 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7384 hoverSavedValid = 0;
7385 if(!sum) return; // nothing was cleared,no redraw needed
7388 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7389 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7390 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7391 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7392 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7394 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7397 DrawPosition(FALSE, NULL);
7401 Explode (Board board, int fromX, int fromY, int toX, int toY)
7403 if(gameInfo.variant == VariantAtomic &&
7404 (board[toY][toX] != EmptySquare || // capture?
7405 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7406 board[fromY][fromX] == BlackPawn )
7408 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7414 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7417 CanPromote (ChessSquare piece, int y)
7419 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7420 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7421 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7422 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7423 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7424 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7425 gameInfo.variant == VariantMakruk) return FALSE;
7426 return (piece == BlackPawn && y <= zone ||
7427 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7428 piece == BlackLance && y <= zone ||
7429 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7433 HoverEvent (int xPix, int yPix, int x, int y)
7435 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7437 if(!first.highlight) return;
7438 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7439 if(x == oldX && y == oldY) return; // only do something if we enter new square
7440 oldFromX = fromX; oldFromY = fromY;
7441 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7442 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7443 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7444 hoverSavedValid = 1;
7445 } else if(oldX != x || oldY != y) {
7446 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7447 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7448 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7449 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7450 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7452 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7453 SendToProgram(buf, &first);
7456 // SetHighlights(fromX, fromY, x, y);
7460 void ReportClick(char *action, int x, int y)
7462 char buf[MSG_SIZ]; // Inform engine of what user does
7464 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7465 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7466 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7467 if(!first.highlight || gameMode == EditPosition) return;
7468 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7469 SendToProgram(buf, &first);
7472 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7475 LeftClick (ClickType clickType, int xPix, int yPix)
7478 Boolean saveAnimate;
7479 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7480 char promoChoice = NULLCHAR;
7482 static TimeMark lastClickTime, prevClickTime;
7484 x = EventToSquare(xPix, BOARD_WIDTH);
7485 y = EventToSquare(yPix, BOARD_HEIGHT);
7486 if (!flipView && y >= 0) {
7487 y = BOARD_HEIGHT - 1 - y;
7489 if (flipView && x >= 0) {
7490 x = BOARD_WIDTH - 1 - x;
7493 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7495 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7500 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7502 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7504 if (clickType == Press) ErrorPopDown();
7505 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7507 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7508 defaultPromoChoice = promoSweep;
7509 promoSweep = EmptySquare; // terminate sweep
7510 promoDefaultAltered = TRUE;
7511 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7514 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7515 if(clickType == Release) return; // ignore upclick of click-click destination
7516 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7517 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7518 if(gameInfo.holdingsWidth &&
7519 (WhiteOnMove(currentMove)
7520 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7521 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7522 // click in right holdings, for determining promotion piece
7523 ChessSquare p = boards[currentMove][y][x];
7524 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7525 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7526 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7527 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7532 DrawPosition(FALSE, boards[currentMove]);
7536 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7537 if(clickType == Press
7538 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7539 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7540 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7543 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7544 // could be static click on premove from-square: abort premove
7546 ClearPremoveHighlights();
7549 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7550 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7552 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7553 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7554 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7555 defaultPromoChoice = DefaultPromoChoice(side);
7558 autoQueen = appData.alwaysPromoteToQueen;
7562 gatingPiece = EmptySquare;
7563 if (clickType != Press) {
7564 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7565 DragPieceEnd(xPix, yPix); dragging = 0;
7566 DrawPosition(FALSE, NULL);
7570 doubleClick = FALSE;
7571 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7572 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7574 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7575 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7576 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7577 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7579 if (OKToStartUserMove(fromX, fromY)) {
7581 ReportClick("lift", x, y);
7582 MarkTargetSquares(0);
7583 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7584 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7585 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7586 promoSweep = defaultPromoChoice;
7587 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7588 Sweep(0); // Pawn that is going to promote: preview promotion piece
7589 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7591 if (appData.highlightDragging) {
7592 SetHighlights(fromX, fromY, -1, -1);
7596 } else fromX = fromY = -1;
7602 if (clickType == Press && gameMode != EditPosition) {
7607 // ignore off-board to clicks
7608 if(y < 0 || x < 0) return;
7610 /* Check if clicking again on the same color piece */
7611 fromP = boards[currentMove][fromY][fromX];
7612 toP = boards[currentMove][y][x];
7613 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7614 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7615 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7616 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7617 WhitePawn <= toP && toP <= WhiteKing &&
7618 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7619 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7620 (BlackPawn <= fromP && fromP <= BlackKing &&
7621 BlackPawn <= toP && toP <= BlackKing &&
7622 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7623 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7624 /* Clicked again on same color piece -- changed his mind */
7625 second = (x == fromX && y == fromY);
7627 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7628 second = FALSE; // first double-click rather than scond click
7629 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7631 promoDefaultAltered = FALSE;
7632 MarkTargetSquares(1);
7633 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7634 if (appData.highlightDragging) {
7635 SetHighlights(x, y, -1, -1);
7639 if (OKToStartUserMove(x, y)) {
7640 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7641 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7642 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7643 gatingPiece = boards[currentMove][fromY][fromX];
7644 else gatingPiece = doubleClick ? fromP : EmptySquare;
7646 fromY = y; dragging = 1;
7647 if(!second) ReportClick("lift", x, y);
7648 MarkTargetSquares(0);
7649 DragPieceBegin(xPix, yPix, FALSE);
7650 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7651 promoSweep = defaultPromoChoice;
7652 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7653 Sweep(0); // Pawn that is going to promote: preview promotion piece
7657 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7660 // ignore clicks on holdings
7661 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7664 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7665 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7666 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7670 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7671 DragPieceEnd(xPix, yPix); dragging = 0;
7673 // a deferred attempt to click-click move an empty square on top of a piece
7674 boards[currentMove][y][x] = EmptySquare;
7676 DrawPosition(FALSE, boards[currentMove]);
7677 fromX = fromY = -1; clearFlag = 0;
7680 if (appData.animateDragging) {
7681 /* Undo animation damage if any */
7682 DrawPosition(FALSE, NULL);
7685 /* Second up/down in same square; just abort move */
7688 gatingPiece = EmptySquare;
7689 MarkTargetSquares(1);
7692 ClearPremoveHighlights();
7694 /* First upclick in same square; start click-click mode */
7695 SetHighlights(x, y, -1, -1);
7702 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7703 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7704 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7705 DisplayMessage(_("only marked squares are legal"),"");
7706 DrawPosition(TRUE, NULL);
7707 return; // ignore to-click
7710 /* we now have a different from- and (possibly off-board) to-square */
7711 /* Completed move */
7712 if(!sweepSelecting) {
7717 piece = boards[currentMove][fromY][fromX];
7719 saveAnimate = appData.animate;
7720 if (clickType == Press) {
7721 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7722 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7723 // must be Edit Position mode with empty-square selected
7724 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7725 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7728 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7731 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7732 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7734 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7735 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7736 if(appData.sweepSelect) {
7737 promoSweep = defaultPromoChoice;
7738 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7739 selectFlag = 0; lastX = xPix; lastY = yPix;
7740 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7741 Sweep(0); // Pawn that is going to promote: preview promotion piece
7743 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7744 MarkTargetSquares(1);
7746 return; // promo popup appears on up-click
7748 /* Finish clickclick move */
7749 if (appData.animate || appData.highlightLastMove) {
7750 SetHighlights(fromX, fromY, toX, toY);
7754 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7755 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7757 if (appData.animate || appData.highlightLastMove) {
7758 SetHighlights(fromX, fromY, toX, toY);
7764 // [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
7765 /* Finish drag move */
7766 if (appData.highlightLastMove) {
7767 SetHighlights(fromX, fromY, toX, toY);
7772 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7773 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7774 dragging *= 2; // flag button-less dragging if we are dragging
7775 MarkTargetSquares(1);
7776 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7778 kill2X = killX; kill2Y = killY;
7779 killX = x; killY = y; //remeber this square as intermediate
7780 ReportClick("put", x, y); // and inform engine
7781 ReportClick("lift", x, y);
7782 MarkTargetSquares(0);
7786 DragPieceEnd(xPix, yPix); dragging = 0;
7787 /* Don't animate move and drag both */
7788 appData.animate = FALSE;
7791 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7792 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7793 ChessSquare piece = boards[currentMove][fromY][fromX];
7794 if(gameMode == EditPosition && piece != EmptySquare &&
7795 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7798 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7799 n = PieceToNumber(piece - (int)BlackPawn);
7800 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7801 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7802 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7804 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7805 n = PieceToNumber(piece);
7806 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7807 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7808 boards[currentMove][n][BOARD_WIDTH-2]++;
7810 boards[currentMove][fromY][fromX] = EmptySquare;
7814 MarkTargetSquares(1);
7815 DrawPosition(TRUE, boards[currentMove]);
7819 // off-board moves should not be highlighted
7820 if(x < 0 || y < 0) ClearHighlights();
7821 else ReportClick("put", x, y);
7823 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7825 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7827 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7828 SetHighlights(fromX, fromY, toX, toY);
7829 MarkTargetSquares(1);
7830 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7831 // [HGM] super: promotion to captured piece selected from holdings
7832 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7833 promotionChoice = TRUE;
7834 // kludge follows to temporarily execute move on display, without promoting yet
7835 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7836 boards[currentMove][toY][toX] = p;
7837 DrawPosition(FALSE, boards[currentMove]);
7838 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7839 boards[currentMove][toY][toX] = q;
7840 DisplayMessage("Click in holdings to choose piece", "");
7843 PromotionPopUp(promoChoice);
7845 int oldMove = currentMove;
7846 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7847 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7848 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7849 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7850 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7851 DrawPosition(TRUE, boards[currentMove]);
7852 MarkTargetSquares(1);
7855 appData.animate = saveAnimate;
7856 if (appData.animate || appData.animateDragging) {
7857 /* Undo animation damage if needed */
7858 DrawPosition(FALSE, NULL);
7863 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7864 { // front-end-free part taken out of PieceMenuPopup
7865 int whichMenu; int xSqr, ySqr;
7867 if(seekGraphUp) { // [HGM] seekgraph
7868 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7869 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7873 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7874 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7875 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7876 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7877 if(action == Press) {
7878 originalFlip = flipView;
7879 flipView = !flipView; // temporarily flip board to see game from partners perspective
7880 DrawPosition(TRUE, partnerBoard);
7881 DisplayMessage(partnerStatus, "");
7883 } else if(action == Release) {
7884 flipView = originalFlip;
7885 DrawPosition(TRUE, boards[currentMove]);
7891 xSqr = EventToSquare(x, BOARD_WIDTH);
7892 ySqr = EventToSquare(y, BOARD_HEIGHT);
7893 if (action == Release) {
7894 if(pieceSweep != EmptySquare) {
7895 EditPositionMenuEvent(pieceSweep, toX, toY);
7896 pieceSweep = EmptySquare;
7897 } else UnLoadPV(); // [HGM] pv
7899 if (action != Press) return -2; // return code to be ignored
7902 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7904 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7905 if (xSqr < 0 || ySqr < 0) return -1;
7906 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7907 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7908 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7909 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7913 if(!appData.icsEngineAnalyze) return -1;
7914 case IcsPlayingWhite:
7915 case IcsPlayingBlack:
7916 if(!appData.zippyPlay) goto noZip;
7919 case MachinePlaysWhite:
7920 case MachinePlaysBlack:
7921 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7922 if (!appData.dropMenu) {
7924 return 2; // flag front-end to grab mouse events
7926 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7927 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7930 if (xSqr < 0 || ySqr < 0) return -1;
7931 if (!appData.dropMenu || appData.testLegality &&
7932 gameInfo.variant != VariantBughouse &&
7933 gameInfo.variant != VariantCrazyhouse) return -1;
7934 whichMenu = 1; // drop menu
7940 if (((*fromX = xSqr) < 0) ||
7941 ((*fromY = ySqr) < 0)) {
7942 *fromX = *fromY = -1;
7946 *fromX = BOARD_WIDTH - 1 - *fromX;
7948 *fromY = BOARD_HEIGHT - 1 - *fromY;
7954 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7956 // char * hint = lastHint;
7957 FrontEndProgramStats stats;
7959 stats.which = cps == &first ? 0 : 1;
7960 stats.depth = cpstats->depth;
7961 stats.nodes = cpstats->nodes;
7962 stats.score = cpstats->score;
7963 stats.time = cpstats->time;
7964 stats.pv = cpstats->movelist;
7965 stats.hint = lastHint;
7966 stats.an_move_index = 0;
7967 stats.an_move_count = 0;
7969 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7970 stats.hint = cpstats->move_name;
7971 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7972 stats.an_move_count = cpstats->nr_moves;
7975 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
7977 SetProgramStats( &stats );
7981 ClearEngineOutputPane (int which)
7983 static FrontEndProgramStats dummyStats;
7984 dummyStats.which = which;
7985 dummyStats.pv = "#";
7986 SetProgramStats( &dummyStats );
7989 #define MAXPLAYERS 500
7992 TourneyStandings (int display)
7994 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7995 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7996 char result, *p, *names[MAXPLAYERS];
7998 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7999 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8000 names[0] = p = strdup(appData.participants);
8001 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8003 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8005 while(result = appData.results[nr]) {
8006 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8007 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8008 wScore = bScore = 0;
8010 case '+': wScore = 2; break;
8011 case '-': bScore = 2; break;
8012 case '=': wScore = bScore = 1; break;
8014 case '*': return strdup("busy"); // tourney not finished
8022 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8023 for(w=0; w<nPlayers; w++) {
8025 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8026 ranking[w] = b; points[w] = bScore; score[b] = -2;
8028 p = malloc(nPlayers*34+1);
8029 for(w=0; w<nPlayers && w<display; w++)
8030 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8036 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8037 { // count all piece types
8039 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8040 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8041 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8044 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8045 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8046 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8047 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8048 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8049 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8054 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8056 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8057 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8059 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8060 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8061 if(myPawns == 2 && nMine == 3) // KPP
8062 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8063 if(myPawns == 1 && nMine == 2) // KP
8064 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8065 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8066 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8067 if(myPawns) return FALSE;
8068 if(pCnt[WhiteRook+side])
8069 return pCnt[BlackRook-side] ||
8070 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8071 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8072 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8073 if(pCnt[WhiteCannon+side]) {
8074 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8075 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8077 if(pCnt[WhiteKnight+side])
8078 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8083 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8085 VariantClass v = gameInfo.variant;
8087 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8088 if(v == VariantShatranj) return TRUE; // always winnable through baring
8089 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8090 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8092 if(v == VariantXiangqi) {
8093 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8095 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8096 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8097 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8098 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8099 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8100 if(stale) // we have at least one last-rank P plus perhaps C
8101 return majors // KPKX
8102 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8104 return pCnt[WhiteFerz+side] // KCAK
8105 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8106 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8107 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8109 } else if(v == VariantKnightmate) {
8110 if(nMine == 1) return FALSE;
8111 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8112 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8113 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8115 if(nMine == 1) return FALSE; // bare King
8116 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
8117 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8118 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8119 // by now we have King + 1 piece (or multiple Bishops on the same color)
8120 if(pCnt[WhiteKnight+side])
8121 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8122 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8123 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8125 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8126 if(pCnt[WhiteAlfil+side])
8127 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8128 if(pCnt[WhiteWazir+side])
8129 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8136 CompareWithRights (Board b1, Board b2)
8139 if(!CompareBoards(b1, b2)) return FALSE;
8140 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8141 /* compare castling rights */
8142 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8143 rights++; /* King lost rights, while rook still had them */
8144 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8145 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8146 rights++; /* but at least one rook lost them */
8148 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8150 if( b1[CASTLING][5] != NoRights ) {
8151 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8158 Adjudicate (ChessProgramState *cps)
8159 { // [HGM] some adjudications useful with buggy engines
8160 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8161 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8162 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8163 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8164 int k, drop, count = 0; static int bare = 1;
8165 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8166 Boolean canAdjudicate = !appData.icsActive;
8168 // most tests only when we understand the game, i.e. legality-checking on
8169 if( appData.testLegality )
8170 { /* [HGM] Some more adjudications for obstinate engines */
8171 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8172 static int moveCount = 6;
8174 char *reason = NULL;
8176 /* Count what is on board. */
8177 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8179 /* Some material-based adjudications that have to be made before stalemate test */
8180 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8181 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8182 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8183 if(canAdjudicate && appData.checkMates) {
8185 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8186 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8187 "Xboard adjudication: King destroyed", GE_XBOARD );
8192 /* Bare King in Shatranj (loses) or Losers (wins) */
8193 if( nrW == 1 || nrB == 1) {
8194 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8195 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8196 if(canAdjudicate && appData.checkMates) {
8198 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8199 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8200 "Xboard adjudication: Bare king", GE_XBOARD );
8204 if( gameInfo.variant == VariantShatranj && --bare < 0)
8206 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8207 if(canAdjudicate && appData.checkMates) {
8208 /* but only adjudicate if adjudication enabled */
8210 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8211 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8212 "Xboard adjudication: Bare king", GE_XBOARD );
8219 // don't wait for engine to announce game end if we can judge ourselves
8220 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8222 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8223 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8224 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8225 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8228 reason = "Xboard adjudication: 3rd check";
8229 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8240 reason = "Xboard adjudication: Stalemate";
8241 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8242 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8243 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8244 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8245 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8246 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8247 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8248 EP_CHECKMATE : EP_WINS);
8249 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8250 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8254 reason = "Xboard adjudication: Checkmate";
8255 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8256 if(gameInfo.variant == VariantShogi) {
8257 if(forwardMostMove > backwardMostMove
8258 && moveList[forwardMostMove-1][1] == '@'
8259 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8260 reason = "XBoard adjudication: pawn-drop mate";
8261 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8267 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8269 result = GameIsDrawn; break;
8271 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8273 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8277 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8279 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8280 GameEnds( result, reason, GE_XBOARD );
8284 /* Next absolutely insufficient mating material. */
8285 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8286 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8287 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8289 /* always flag draws, for judging claims */
8290 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8292 if(canAdjudicate && appData.materialDraws) {
8293 /* but only adjudicate them if adjudication enabled */
8294 if(engineOpponent) {
8295 SendToProgram("force\n", engineOpponent); // suppress reply
8296 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8298 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8303 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8304 if(gameInfo.variant == VariantXiangqi ?
8305 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8307 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8308 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8309 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8310 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8312 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8313 { /* if the first 3 moves do not show a tactical win, declare draw */
8314 if(engineOpponent) {
8315 SendToProgram("force\n", engineOpponent); // suppress reply
8316 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8318 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8321 } else moveCount = 6;
8324 // Repetition draws and 50-move rule can be applied independently of legality testing
8326 /* Check for rep-draws */
8328 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8329 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8330 for(k = forwardMostMove-2;
8331 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8332 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8333 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8336 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8337 /* compare castling rights */
8338 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8339 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8340 rights++; /* King lost rights, while rook still had them */
8341 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8342 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8343 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8344 rights++; /* but at least one rook lost them */
8346 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8347 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8349 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8350 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8351 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8354 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8355 && appData.drawRepeats > 1) {
8356 /* adjudicate after user-specified nr of repeats */
8357 int result = GameIsDrawn;
8358 char *details = "XBoard adjudication: repetition draw";
8359 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8360 // [HGM] xiangqi: check for forbidden perpetuals
8361 int m, ourPerpetual = 1, hisPerpetual = 1;
8362 for(m=forwardMostMove; m>k; m-=2) {
8363 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8364 ourPerpetual = 0; // the current mover did not always check
8365 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8366 hisPerpetual = 0; // the opponent did not always check
8368 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8369 ourPerpetual, hisPerpetual);
8370 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8371 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8372 details = "Xboard adjudication: perpetual checking";
8374 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8375 break; // (or we would have caught him before). Abort repetition-checking loop.
8377 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8378 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8380 details = "Xboard adjudication: repetition";
8382 } else // it must be XQ
8383 // Now check for perpetual chases
8384 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8385 hisPerpetual = PerpetualChase(k, forwardMostMove);
8386 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8387 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8388 static char resdet[MSG_SIZ];
8389 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8391 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8393 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8394 break; // Abort repetition-checking loop.
8396 // if neither of us is checking or chasing all the time, or both are, it is draw
8398 if(engineOpponent) {
8399 SendToProgram("force\n", engineOpponent); // suppress reply
8400 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8402 GameEnds( result, details, GE_XBOARD );
8405 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8406 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8410 /* Now we test for 50-move draws. Determine ply count */
8411 count = forwardMostMove;
8412 /* look for last irreversble move */
8413 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8415 /* if we hit starting position, add initial plies */
8416 if( count == backwardMostMove )
8417 count -= initialRulePlies;
8418 count = forwardMostMove - count;
8419 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8420 // adjust reversible move counter for checks in Xiangqi
8421 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8422 if(i < backwardMostMove) i = backwardMostMove;
8423 while(i <= forwardMostMove) {
8424 lastCheck = inCheck; // check evasion does not count
8425 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8426 if(inCheck || lastCheck) count--; // check does not count
8431 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8432 /* this is used to judge if draw claims are legal */
8433 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8434 if(engineOpponent) {
8435 SendToProgram("force\n", engineOpponent); // suppress reply
8436 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8438 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8442 /* if draw offer is pending, treat it as a draw claim
8443 * when draw condition present, to allow engines a way to
8444 * claim draws before making their move to avoid a race
8445 * condition occurring after their move
8447 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8449 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8450 p = "Draw claim: 50-move rule";
8451 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8452 p = "Draw claim: 3-fold repetition";
8453 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8454 p = "Draw claim: insufficient mating material";
8455 if( p != NULL && canAdjudicate) {
8456 if(engineOpponent) {
8457 SendToProgram("force\n", engineOpponent); // suppress reply
8458 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8460 GameEnds( GameIsDrawn, p, GE_XBOARD );
8465 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8466 if(engineOpponent) {
8467 SendToProgram("force\n", engineOpponent); // suppress reply
8468 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8470 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8476 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8477 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8478 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8483 int pieces[10], squares[10], cnt=0, r, f, res;
8485 static PPROBE_EGBB probeBB;
8486 if(!appData.testLegality) return 10;
8487 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8488 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8489 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8490 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8491 ChessSquare piece = boards[forwardMostMove][r][f];
8492 int black = (piece >= BlackPawn);
8493 int type = piece - black*BlackPawn;
8494 if(piece == EmptySquare) continue;
8495 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8496 if(type == WhiteKing) type = WhiteQueen + 1;
8497 type = egbbCode[type];
8498 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8499 pieces[cnt] = type + black*6;
8500 if(++cnt > 5) return 11;
8502 pieces[cnt] = squares[cnt] = 0;
8504 if(loaded == 2) return 13; // loading failed before
8506 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8509 loaded = 2; // prepare for failure
8510 if(!path) return 13; // no egbb installed
8511 strncpy(buf, path + 8, MSG_SIZ);
8512 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8513 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8514 lib = LoadLibrary(buf);
8515 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8516 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8517 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8518 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8519 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8520 loaded = 1; // success!
8522 res = probeBB(forwardMostMove & 1, pieces, squares);
8523 return res > 0 ? 1 : res < 0 ? -1 : 0;
8527 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8528 { // [HGM] book: this routine intercepts moves to simulate book replies
8529 char *bookHit = NULL;
8531 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8533 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8534 SendToProgram(buf, cps);
8536 //first determine if the incoming move brings opponent into his book
8537 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8538 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8539 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8540 if(bookHit != NULL && !cps->bookSuspend) {
8541 // make sure opponent is not going to reply after receiving move to book position
8542 SendToProgram("force\n", cps);
8543 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8545 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8546 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8547 // now arrange restart after book miss
8549 // after a book hit we never send 'go', and the code after the call to this routine
8550 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8551 char buf[MSG_SIZ], *move = bookHit;
8553 int fromX, fromY, toX, toY;
8557 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8558 &fromX, &fromY, &toX, &toY, &promoChar)) {
8559 (void) CoordsToAlgebraic(boards[forwardMostMove],
8560 PosFlags(forwardMostMove),
8561 fromY, fromX, toY, toX, promoChar, move);
8563 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8567 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8568 SendToProgram(buf, cps);
8569 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8570 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8571 SendToProgram("go\n", cps);
8572 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8573 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8574 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8575 SendToProgram("go\n", cps);
8576 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8578 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8582 LoadError (char *errmess, ChessProgramState *cps)
8583 { // unloads engine and switches back to -ncp mode if it was first
8584 if(cps->initDone) return FALSE;
8585 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8586 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8589 appData.noChessProgram = TRUE;
8590 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8591 gameMode = BeginningOfGame; ModeHighlight();
8594 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8595 DisplayMessage("", ""); // erase waiting message
8596 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8601 ChessProgramState *savedState;
8603 DeferredBookMove (void)
8605 if(savedState->lastPing != savedState->lastPong)
8606 ScheduleDelayedEvent(DeferredBookMove, 10);
8608 HandleMachineMove(savedMessage, savedState);
8611 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8612 static ChessProgramState *stalledEngine;
8613 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8616 HandleMachineMove (char *message, ChessProgramState *cps)
8618 static char firstLeg[20];
8619 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8620 char realname[MSG_SIZ];
8621 int fromX, fromY, toX, toY;
8623 char promoChar, roar;
8625 int machineWhite, oldError;
8628 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8629 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8630 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8631 DisplayError(_("Invalid pairing from pairing engine"), 0);
8634 pairingReceived = 1;
8636 return; // Skim the pairing messages here.
8639 oldError = cps->userError; cps->userError = 0;
8641 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8643 * Kludge to ignore BEL characters
8645 while (*message == '\007') message++;
8648 * [HGM] engine debug message: ignore lines starting with '#' character
8650 if(cps->debug && *message == '#') return;
8653 * Look for book output
8655 if (cps == &first && bookRequested) {
8656 if (message[0] == '\t' || message[0] == ' ') {
8657 /* Part of the book output is here; append it */
8658 strcat(bookOutput, message);
8659 strcat(bookOutput, " \n");
8661 } else if (bookOutput[0] != NULLCHAR) {
8662 /* All of book output has arrived; display it */
8663 char *p = bookOutput;
8664 while (*p != NULLCHAR) {
8665 if (*p == '\t') *p = ' ';
8668 DisplayInformation(bookOutput);
8669 bookRequested = FALSE;
8670 /* Fall through to parse the current output */
8675 * Look for machine move.
8677 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8678 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8680 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8681 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8682 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8683 stalledEngine = cps;
8684 if(appData.ponderNextMove) { // bring opponent out of ponder
8685 if(gameMode == TwoMachinesPlay) {
8686 if(cps->other->pause)
8687 PauseEngine(cps->other);
8689 SendToProgram("easy\n", cps->other);
8698 /* This method is only useful on engines that support ping */
8699 if(abortEngineThink) {
8700 if (appData.debugMode) {
8701 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8703 SendToProgram("undo\n", cps);
8707 if (cps->lastPing != cps->lastPong) {
8708 /* Extra move from before last new; ignore */
8709 if (appData.debugMode) {
8710 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8718 case BeginningOfGame:
8719 /* Extra move from before last reset; ignore */
8720 if (appData.debugMode) {
8721 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8728 /* Extra move after we tried to stop. The mode test is
8729 not a reliable way of detecting this problem, but it's
8730 the best we can do on engines that don't support ping.
8732 if (appData.debugMode) {
8733 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8734 cps->which, gameMode);
8736 SendToProgram("undo\n", cps);
8739 case MachinePlaysWhite:
8740 case IcsPlayingWhite:
8741 machineWhite = TRUE;
8744 case MachinePlaysBlack:
8745 case IcsPlayingBlack:
8746 machineWhite = FALSE;
8749 case TwoMachinesPlay:
8750 machineWhite = (cps->twoMachinesColor[0] == 'w');
8753 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8754 if (appData.debugMode) {
8756 "Ignoring move out of turn by %s, gameMode %d"
8757 ", forwardMost %d\n",
8758 cps->which, gameMode, forwardMostMove);
8764 if(cps->alphaRank) AlphaRank(machineMove, 4);
8766 // [HGM] lion: (some very limited) support for Alien protocol
8767 killX = killY = kill2X = kill2Y = -1;
8768 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8769 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8772 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8773 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8774 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8776 if(firstLeg[0]) { // there was a previous leg;
8777 // only support case where same piece makes two step
8778 char buf[20], *p = machineMove+1, *q = buf+1, f;
8779 safeStrCpy(buf, machineMove, 20);
8780 while(isdigit(*q)) q++; // find start of to-square
8781 safeStrCpy(machineMove, firstLeg, 20);
8782 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8783 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8784 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8785 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8786 firstLeg[0] = NULLCHAR;
8789 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8790 &fromX, &fromY, &toX, &toY, &promoChar)) {
8791 /* Machine move could not be parsed; ignore it. */
8792 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8793 machineMove, _(cps->which));
8794 DisplayMoveError(buf1);
8795 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8796 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8797 if (gameMode == TwoMachinesPlay) {
8798 GameEnds(machineWhite ? BlackWins : WhiteWins,
8804 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8805 /* So we have to redo legality test with true e.p. status here, */
8806 /* to make sure an illegal e.p. capture does not slip through, */
8807 /* to cause a forfeit on a justified illegal-move complaint */
8808 /* of the opponent. */
8809 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8811 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8812 fromY, fromX, toY, toX, promoChar);
8813 if(moveType == IllegalMove) {
8814 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8815 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8816 GameEnds(machineWhite ? BlackWins : WhiteWins,
8819 } else if(!appData.fischerCastling)
8820 /* [HGM] Kludge to handle engines that send FRC-style castling
8821 when they shouldn't (like TSCP-Gothic) */
8823 case WhiteASideCastleFR:
8824 case BlackASideCastleFR:
8826 currentMoveString[2]++;
8828 case WhiteHSideCastleFR:
8829 case BlackHSideCastleFR:
8831 currentMoveString[2]--;
8833 default: ; // nothing to do, but suppresses warning of pedantic compilers
8836 hintRequested = FALSE;
8837 lastHint[0] = NULLCHAR;
8838 bookRequested = FALSE;
8839 /* Program may be pondering now */
8840 cps->maybeThinking = TRUE;
8841 if (cps->sendTime == 2) cps->sendTime = 1;
8842 if (cps->offeredDraw) cps->offeredDraw--;
8844 /* [AS] Save move info*/
8845 pvInfoList[ forwardMostMove ].score = programStats.score;
8846 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8847 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8849 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8851 /* Test suites abort the 'game' after one move */
8852 if(*appData.finger) {
8854 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8855 if(!f) f = fopen(appData.finger, "w");
8856 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8857 else { DisplayFatalError("Bad output file", errno, 0); return; }
8859 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8862 if(solvingTime >= 0) {
8863 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8864 totalTime += solvingTime; first.matchWins++;
8866 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8869 OutputKibitz(2, buf1);
8870 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8873 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8874 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8877 while( count < adjudicateLossPlies ) {
8878 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8881 score = -score; /* Flip score for winning side */
8884 if( score > appData.adjudicateLossThreshold ) {
8891 if( count >= adjudicateLossPlies ) {
8892 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8894 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8895 "Xboard adjudication",
8902 if(Adjudicate(cps)) {
8903 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8904 return; // [HGM] adjudicate: for all automatic game ends
8908 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8910 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8911 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8913 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8915 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8917 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8918 char buf[3*MSG_SIZ];
8920 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8921 programStats.score / 100.,
8923 programStats.time / 100.,
8924 (unsigned int)programStats.nodes,
8925 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8926 programStats.movelist);
8932 /* [AS] Clear stats for next move */
8933 ClearProgramStats();
8934 thinkOutput[0] = NULLCHAR;
8935 hiddenThinkOutputState = 0;
8938 if (gameMode == TwoMachinesPlay) {
8939 /* [HGM] relaying draw offers moved to after reception of move */
8940 /* and interpreting offer as claim if it brings draw condition */
8941 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8942 SendToProgram("draw\n", cps->other);
8944 if (cps->other->sendTime) {
8945 SendTimeRemaining(cps->other,
8946 cps->other->twoMachinesColor[0] == 'w');
8948 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8949 if (firstMove && !bookHit) {
8951 if (cps->other->useColors) {
8952 SendToProgram(cps->other->twoMachinesColor, cps->other);
8954 SendToProgram("go\n", cps->other);
8956 cps->other->maybeThinking = TRUE;
8959 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8961 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8963 if (!pausing && appData.ringBellAfterMoves) {
8964 if(!roar) RingBell();
8968 * Reenable menu items that were disabled while
8969 * machine was thinking
8971 if (gameMode != TwoMachinesPlay)
8972 SetUserThinkingEnables();
8974 // [HGM] book: after book hit opponent has received move and is now in force mode
8975 // force the book reply into it, and then fake that it outputted this move by jumping
8976 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8978 static char bookMove[MSG_SIZ]; // a bit generous?
8980 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8981 strcat(bookMove, bookHit);
8984 programStats.nodes = programStats.depth = programStats.time =
8985 programStats.score = programStats.got_only_move = 0;
8986 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8988 if(cps->lastPing != cps->lastPong) {
8989 savedMessage = message; // args for deferred call
8991 ScheduleDelayedEvent(DeferredBookMove, 10);
9000 /* Set special modes for chess engines. Later something general
9001 * could be added here; for now there is just one kludge feature,
9002 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9003 * when "xboard" is given as an interactive command.
9005 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9006 cps->useSigint = FALSE;
9007 cps->useSigterm = FALSE;
9009 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9010 ParseFeatures(message+8, cps);
9011 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9014 if (!strncmp(message, "setup ", 6) &&
9015 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9016 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9017 ) { // [HGM] allow first engine to define opening position
9018 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9019 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9021 if(sscanf(message, "setup (%s", buf) == 1) {
9022 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9023 ASSIGN(appData.pieceToCharTable, buf);
9025 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9027 while(message[s] && message[s++] != ' ');
9028 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9029 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9030 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9031 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9032 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9033 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9034 startedFromSetupPosition = FALSE;
9037 if(startedFromSetupPosition) return;
9038 ParseFEN(boards[0], &dummy, message+s, FALSE);
9039 DrawPosition(TRUE, boards[0]);
9040 CopyBoard(initialPosition, boards[0]);
9041 startedFromSetupPosition = TRUE;
9044 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9045 ChessSquare piece = WhitePawn;
9046 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9047 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9048 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9049 piece += CharToPiece(ID & 255) - WhitePawn;
9050 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9051 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9052 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9053 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9054 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9055 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9056 && gameInfo.variant != VariantGreat
9057 && gameInfo.variant != VariantFairy ) return;
9058 if(piece < EmptySquare) {
9060 ASSIGN(pieceDesc[piece], buf1);
9061 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9065 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9066 promoSweep = PieceToChar(forwardMostMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9070 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9071 * want this, I was asked to put it in, and obliged.
9073 if (!strncmp(message, "setboard ", 9)) {
9074 Board initial_position;
9076 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9078 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9079 DisplayError(_("Bad FEN received from engine"), 0);
9083 CopyBoard(boards[0], initial_position);
9084 initialRulePlies = FENrulePlies;
9085 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9086 else gameMode = MachinePlaysBlack;
9087 DrawPosition(FALSE, boards[currentMove]);
9093 * Look for communication commands
9095 if (!strncmp(message, "telluser ", 9)) {
9096 if(message[9] == '\\' && message[10] == '\\')
9097 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9099 DisplayNote(message + 9);
9102 if (!strncmp(message, "tellusererror ", 14)) {
9104 if(message[14] == '\\' && message[15] == '\\')
9105 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9107 DisplayError(message + 14, 0);
9110 if (!strncmp(message, "tellopponent ", 13)) {
9111 if (appData.icsActive) {
9113 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9117 DisplayNote(message + 13);
9121 if (!strncmp(message, "tellothers ", 11)) {
9122 if (appData.icsActive) {
9124 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9127 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9130 if (!strncmp(message, "tellall ", 8)) {
9131 if (appData.icsActive) {
9133 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9137 DisplayNote(message + 8);
9141 if (strncmp(message, "warning", 7) == 0) {
9142 /* Undocumented feature, use tellusererror in new code */
9143 DisplayError(message, 0);
9146 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9147 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9148 strcat(realname, " query");
9149 AskQuestion(realname, buf2, buf1, cps->pr);
9152 /* Commands from the engine directly to ICS. We don't allow these to be
9153 * sent until we are logged on. Crafty kibitzes have been known to
9154 * interfere with the login process.
9157 if (!strncmp(message, "tellics ", 8)) {
9158 SendToICS(message + 8);
9162 if (!strncmp(message, "tellicsnoalias ", 15)) {
9163 SendToICS(ics_prefix);
9164 SendToICS(message + 15);
9168 /* The following are for backward compatibility only */
9169 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9170 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9171 SendToICS(ics_prefix);
9177 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9178 if(initPing == cps->lastPong) {
9179 if(gameInfo.variant == VariantUnknown) {
9180 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9181 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9182 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9186 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9187 abortEngineThink = FALSE;
9188 DisplayMessage("", "");
9193 if(!strncmp(message, "highlight ", 10)) {
9194 if(appData.testLegality && !*engineVariant && appData.markers) return;
9195 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9198 if(!strncmp(message, "click ", 6)) {
9199 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9200 if(appData.testLegality || !appData.oneClick) return;
9201 sscanf(message+6, "%c%d%c", &f, &y, &c);
9202 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9203 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9204 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9205 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9206 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9207 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9208 LeftClick(Release, lastLeftX, lastLeftY);
9209 controlKey = (c == ',');
9210 LeftClick(Press, x, y);
9211 LeftClick(Release, x, y);
9212 first.highlight = f;
9216 * If the move is illegal, cancel it and redraw the board.
9217 * Also deal with other error cases. Matching is rather loose
9218 * here to accommodate engines written before the spec.
9220 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9221 strncmp(message, "Error", 5) == 0) {
9222 if (StrStr(message, "name") ||
9223 StrStr(message, "rating") || StrStr(message, "?") ||
9224 StrStr(message, "result") || StrStr(message, "board") ||
9225 StrStr(message, "bk") || StrStr(message, "computer") ||
9226 StrStr(message, "variant") || StrStr(message, "hint") ||
9227 StrStr(message, "random") || StrStr(message, "depth") ||
9228 StrStr(message, "accepted")) {
9231 if (StrStr(message, "protover")) {
9232 /* Program is responding to input, so it's apparently done
9233 initializing, and this error message indicates it is
9234 protocol version 1. So we don't need to wait any longer
9235 for it to initialize and send feature commands. */
9236 FeatureDone(cps, 1);
9237 cps->protocolVersion = 1;
9240 cps->maybeThinking = FALSE;
9242 if (StrStr(message, "draw")) {
9243 /* Program doesn't have "draw" command */
9244 cps->sendDrawOffers = 0;
9247 if (cps->sendTime != 1 &&
9248 (StrStr(message, "time") || StrStr(message, "otim"))) {
9249 /* Program apparently doesn't have "time" or "otim" command */
9253 if (StrStr(message, "analyze")) {
9254 cps->analysisSupport = FALSE;
9255 cps->analyzing = FALSE;
9256 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9257 EditGameEvent(); // [HGM] try to preserve loaded game
9258 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9259 DisplayError(buf2, 0);
9262 if (StrStr(message, "(no matching move)st")) {
9263 /* Special kludge for GNU Chess 4 only */
9264 cps->stKludge = TRUE;
9265 SendTimeControl(cps, movesPerSession, timeControl,
9266 timeIncrement, appData.searchDepth,
9270 if (StrStr(message, "(no matching move)sd")) {
9271 /* Special kludge for GNU Chess 4 only */
9272 cps->sdKludge = TRUE;
9273 SendTimeControl(cps, movesPerSession, timeControl,
9274 timeIncrement, appData.searchDepth,
9278 if (!StrStr(message, "llegal")) {
9281 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9282 gameMode == IcsIdle) return;
9283 if (forwardMostMove <= backwardMostMove) return;
9284 if (pausing) PauseEvent();
9285 if(appData.forceIllegal) {
9286 // [HGM] illegal: machine refused move; force position after move into it
9287 SendToProgram("force\n", cps);
9288 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9289 // we have a real problem now, as SendBoard will use the a2a3 kludge
9290 // when black is to move, while there might be nothing on a2 or black
9291 // might already have the move. So send the board as if white has the move.
9292 // But first we must change the stm of the engine, as it refused the last move
9293 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9294 if(WhiteOnMove(forwardMostMove)) {
9295 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9296 SendBoard(cps, forwardMostMove); // kludgeless board
9298 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9299 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9300 SendBoard(cps, forwardMostMove+1); // kludgeless board
9302 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9303 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9304 gameMode == TwoMachinesPlay)
9305 SendToProgram("go\n", cps);
9308 if (gameMode == PlayFromGameFile) {
9309 /* Stop reading this game file */
9310 gameMode = EditGame;
9313 /* [HGM] illegal-move claim should forfeit game when Xboard */
9314 /* only passes fully legal moves */
9315 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9316 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9317 "False illegal-move claim", GE_XBOARD );
9318 return; // do not take back move we tested as valid
9320 currentMove = forwardMostMove-1;
9321 DisplayMove(currentMove-1); /* before DisplayMoveError */
9322 SwitchClocks(forwardMostMove-1); // [HGM] race
9323 DisplayBothClocks();
9324 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9325 parseList[currentMove], _(cps->which));
9326 DisplayMoveError(buf1);
9327 DrawPosition(FALSE, boards[currentMove]);
9329 SetUserThinkingEnables();
9332 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9333 /* Program has a broken "time" command that
9334 outputs a string not ending in newline.
9338 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9339 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9340 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9344 * If chess program startup fails, exit with an error message.
9345 * Attempts to recover here are futile. [HGM] Well, we try anyway
9347 if ((StrStr(message, "unknown host") != NULL)
9348 || (StrStr(message, "No remote directory") != NULL)
9349 || (StrStr(message, "not found") != NULL)
9350 || (StrStr(message, "No such file") != NULL)
9351 || (StrStr(message, "can't alloc") != NULL)
9352 || (StrStr(message, "Permission denied") != NULL)) {
9354 cps->maybeThinking = FALSE;
9355 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9356 _(cps->which), cps->program, cps->host, message);
9357 RemoveInputSource(cps->isr);
9358 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9359 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9360 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9366 * Look for hint output
9368 if (sscanf(message, "Hint: %s", buf1) == 1) {
9369 if (cps == &first && hintRequested) {
9370 hintRequested = FALSE;
9371 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9372 &fromX, &fromY, &toX, &toY, &promoChar)) {
9373 (void) CoordsToAlgebraic(boards[forwardMostMove],
9374 PosFlags(forwardMostMove),
9375 fromY, fromX, toY, toX, promoChar, buf1);
9376 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9377 DisplayInformation(buf2);
9379 /* Hint move could not be parsed!? */
9380 snprintf(buf2, sizeof(buf2),
9381 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9382 buf1, _(cps->which));
9383 DisplayError(buf2, 0);
9386 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9392 * Ignore other messages if game is not in progress
9394 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9395 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9398 * look for win, lose, draw, or draw offer
9400 if (strncmp(message, "1-0", 3) == 0) {
9401 char *p, *q, *r = "";
9402 p = strchr(message, '{');
9410 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9412 } else if (strncmp(message, "0-1", 3) == 0) {
9413 char *p, *q, *r = "";
9414 p = strchr(message, '{');
9422 /* Kludge for Arasan 4.1 bug */
9423 if (strcmp(r, "Black resigns") == 0) {
9424 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9427 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9429 } else if (strncmp(message, "1/2", 3) == 0) {
9430 char *p, *q, *r = "";
9431 p = strchr(message, '{');
9440 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9443 } else if (strncmp(message, "White resign", 12) == 0) {
9444 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9446 } else if (strncmp(message, "Black resign", 12) == 0) {
9447 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9449 } else if (strncmp(message, "White matches", 13) == 0 ||
9450 strncmp(message, "Black matches", 13) == 0 ) {
9451 /* [HGM] ignore GNUShogi noises */
9453 } else if (strncmp(message, "White", 5) == 0 &&
9454 message[5] != '(' &&
9455 StrStr(message, "Black") == NULL) {
9456 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9458 } else if (strncmp(message, "Black", 5) == 0 &&
9459 message[5] != '(') {
9460 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9462 } else if (strcmp(message, "resign") == 0 ||
9463 strcmp(message, "computer resigns") == 0) {
9465 case MachinePlaysBlack:
9466 case IcsPlayingBlack:
9467 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9469 case MachinePlaysWhite:
9470 case IcsPlayingWhite:
9471 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9473 case TwoMachinesPlay:
9474 if (cps->twoMachinesColor[0] == 'w')
9475 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9477 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9484 } else if (strncmp(message, "opponent mates", 14) == 0) {
9486 case MachinePlaysBlack:
9487 case IcsPlayingBlack:
9488 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9490 case MachinePlaysWhite:
9491 case IcsPlayingWhite:
9492 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9494 case TwoMachinesPlay:
9495 if (cps->twoMachinesColor[0] == 'w')
9496 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9498 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9505 } else if (strncmp(message, "computer mates", 14) == 0) {
9507 case MachinePlaysBlack:
9508 case IcsPlayingBlack:
9509 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9511 case MachinePlaysWhite:
9512 case IcsPlayingWhite:
9513 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9515 case TwoMachinesPlay:
9516 if (cps->twoMachinesColor[0] == 'w')
9517 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9519 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9526 } else if (strncmp(message, "checkmate", 9) == 0) {
9527 if (WhiteOnMove(forwardMostMove)) {
9528 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9530 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9533 } else if (strstr(message, "Draw") != NULL ||
9534 strstr(message, "game is a draw") != NULL) {
9535 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9537 } else if (strstr(message, "offer") != NULL &&
9538 strstr(message, "draw") != NULL) {
9540 if (appData.zippyPlay && first.initDone) {
9541 /* Relay offer to ICS */
9542 SendToICS(ics_prefix);
9543 SendToICS("draw\n");
9546 cps->offeredDraw = 2; /* valid until this engine moves twice */
9547 if (gameMode == TwoMachinesPlay) {
9548 if (cps->other->offeredDraw) {
9549 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9550 /* [HGM] in two-machine mode we delay relaying draw offer */
9551 /* until after we also have move, to see if it is really claim */
9553 } else if (gameMode == MachinePlaysWhite ||
9554 gameMode == MachinePlaysBlack) {
9555 if (userOfferedDraw) {
9556 DisplayInformation(_("Machine accepts your draw offer"));
9557 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9559 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9566 * Look for thinking output
9568 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9569 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9571 int plylev, mvleft, mvtot, curscore, time;
9572 char mvname[MOVE_LEN];
9576 int prefixHint = FALSE;
9577 mvname[0] = NULLCHAR;
9580 case MachinePlaysBlack:
9581 case IcsPlayingBlack:
9582 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9584 case MachinePlaysWhite:
9585 case IcsPlayingWhite:
9586 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9591 case IcsObserving: /* [DM] icsEngineAnalyze */
9592 if (!appData.icsEngineAnalyze) ignore = TRUE;
9594 case TwoMachinesPlay:
9595 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9605 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9607 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9608 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9609 char score_buf[MSG_SIZ];
9611 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9612 nodes += u64Const(0x100000000);
9614 if (plyext != ' ' && plyext != '\t') {
9618 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9619 if( cps->scoreIsAbsolute &&
9620 ( gameMode == MachinePlaysBlack ||
9621 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9622 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9623 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9624 !WhiteOnMove(currentMove)
9627 curscore = -curscore;
9630 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9632 if(*bestMove) { // rememer time best EPD move was first found
9633 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9635 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9636 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9637 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9640 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9643 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9644 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9645 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9646 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9647 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9648 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9652 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9653 DisplayError(_("failed writing PV"), 0);
9656 tempStats.depth = plylev;
9657 tempStats.nodes = nodes;
9658 tempStats.time = time;
9659 tempStats.score = curscore;
9660 tempStats.got_only_move = 0;
9662 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9665 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9666 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9667 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9668 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9669 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9670 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9671 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9672 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9675 /* Buffer overflow protection */
9676 if (pv[0] != NULLCHAR) {
9677 if (strlen(pv) >= sizeof(tempStats.movelist)
9678 && appData.debugMode) {
9680 "PV is too long; using the first %u bytes.\n",
9681 (unsigned) sizeof(tempStats.movelist) - 1);
9684 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9686 sprintf(tempStats.movelist, " no PV\n");
9689 if (tempStats.seen_stat) {
9690 tempStats.ok_to_send = 1;
9693 if (strchr(tempStats.movelist, '(') != NULL) {
9694 tempStats.line_is_book = 1;
9695 tempStats.nr_moves = 0;
9696 tempStats.moves_left = 0;
9698 tempStats.line_is_book = 0;
9701 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9702 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9704 SendProgramStatsToFrontend( cps, &tempStats );
9707 [AS] Protect the thinkOutput buffer from overflow... this
9708 is only useful if buf1 hasn't overflowed first!
9710 if(curscore >= MATE_SCORE)
9711 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9712 else if(curscore <= -MATE_SCORE)
9713 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9715 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9716 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9718 (gameMode == TwoMachinesPlay ?
9719 ToUpper(cps->twoMachinesColor[0]) : ' '),
9721 prefixHint ? lastHint : "",
9722 prefixHint ? " " : "" );
9724 if( buf1[0] != NULLCHAR ) {
9725 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9727 if( strlen(pv) > max_len ) {
9728 if( appData.debugMode) {
9729 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9731 pv[max_len+1] = '\0';
9734 strcat( thinkOutput, pv);
9737 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9738 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9739 DisplayMove(currentMove - 1);
9743 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9744 /* crafty (9.25+) says "(only move) <move>"
9745 * if there is only 1 legal move
9747 sscanf(p, "(only move) %s", buf1);
9748 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9749 sprintf(programStats.movelist, "%s (only move)", buf1);
9750 programStats.depth = 1;
9751 programStats.nr_moves = 1;
9752 programStats.moves_left = 1;
9753 programStats.nodes = 1;
9754 programStats.time = 1;
9755 programStats.got_only_move = 1;
9757 /* Not really, but we also use this member to
9758 mean "line isn't going to change" (Crafty
9759 isn't searching, so stats won't change) */
9760 programStats.line_is_book = 1;
9762 SendProgramStatsToFrontend( cps, &programStats );
9764 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9765 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9766 DisplayMove(currentMove - 1);
9769 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9770 &time, &nodes, &plylev, &mvleft,
9771 &mvtot, mvname) >= 5) {
9772 /* The stat01: line is from Crafty (9.29+) in response
9773 to the "." command */
9774 programStats.seen_stat = 1;
9775 cps->maybeThinking = TRUE;
9777 if (programStats.got_only_move || !appData.periodicUpdates)
9780 programStats.depth = plylev;
9781 programStats.time = time;
9782 programStats.nodes = nodes;
9783 programStats.moves_left = mvleft;
9784 programStats.nr_moves = mvtot;
9785 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9786 programStats.ok_to_send = 1;
9787 programStats.movelist[0] = '\0';
9789 SendProgramStatsToFrontend( cps, &programStats );
9793 } else if (strncmp(message,"++",2) == 0) {
9794 /* Crafty 9.29+ outputs this */
9795 programStats.got_fail = 2;
9798 } else if (strncmp(message,"--",2) == 0) {
9799 /* Crafty 9.29+ outputs this */
9800 programStats.got_fail = 1;
9803 } else if (thinkOutput[0] != NULLCHAR &&
9804 strncmp(message, " ", 4) == 0) {
9805 unsigned message_len;
9808 while (*p && *p == ' ') p++;
9810 message_len = strlen( p );
9812 /* [AS] Avoid buffer overflow */
9813 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9814 strcat(thinkOutput, " ");
9815 strcat(thinkOutput, p);
9818 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9819 strcat(programStats.movelist, " ");
9820 strcat(programStats.movelist, p);
9823 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9824 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9825 DisplayMove(currentMove - 1);
9833 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9834 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9836 ChessProgramStats cpstats;
9838 if (plyext != ' ' && plyext != '\t') {
9842 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9843 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9844 curscore = -curscore;
9847 cpstats.depth = plylev;
9848 cpstats.nodes = nodes;
9849 cpstats.time = time;
9850 cpstats.score = curscore;
9851 cpstats.got_only_move = 0;
9852 cpstats.movelist[0] = '\0';
9854 if (buf1[0] != NULLCHAR) {
9855 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9858 cpstats.ok_to_send = 0;
9859 cpstats.line_is_book = 0;
9860 cpstats.nr_moves = 0;
9861 cpstats.moves_left = 0;
9863 SendProgramStatsToFrontend( cps, &cpstats );
9870 /* Parse a game score from the character string "game", and
9871 record it as the history of the current game. The game
9872 score is NOT assumed to start from the standard position.
9873 The display is not updated in any way.
9876 ParseGameHistory (char *game)
9879 int fromX, fromY, toX, toY, boardIndex;
9884 if (appData.debugMode)
9885 fprintf(debugFP, "Parsing game history: %s\n", game);
9887 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9888 gameInfo.site = StrSave(appData.icsHost);
9889 gameInfo.date = PGNDate();
9890 gameInfo.round = StrSave("-");
9892 /* Parse out names of players */
9893 while (*game == ' ') game++;
9895 while (*game != ' ') *p++ = *game++;
9897 gameInfo.white = StrSave(buf);
9898 while (*game == ' ') game++;
9900 while (*game != ' ' && *game != '\n') *p++ = *game++;
9902 gameInfo.black = StrSave(buf);
9905 boardIndex = blackPlaysFirst ? 1 : 0;
9908 yyboardindex = boardIndex;
9909 moveType = (ChessMove) Myylex();
9911 case IllegalMove: /* maybe suicide chess, etc. */
9912 if (appData.debugMode) {
9913 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9914 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9915 setbuf(debugFP, NULL);
9917 case WhitePromotion:
9918 case BlackPromotion:
9919 case WhiteNonPromotion:
9920 case BlackNonPromotion:
9923 case WhiteCapturesEnPassant:
9924 case BlackCapturesEnPassant:
9925 case WhiteKingSideCastle:
9926 case WhiteQueenSideCastle:
9927 case BlackKingSideCastle:
9928 case BlackQueenSideCastle:
9929 case WhiteKingSideCastleWild:
9930 case WhiteQueenSideCastleWild:
9931 case BlackKingSideCastleWild:
9932 case BlackQueenSideCastleWild:
9934 case WhiteHSideCastleFR:
9935 case WhiteASideCastleFR:
9936 case BlackHSideCastleFR:
9937 case BlackASideCastleFR:
9939 fromX = currentMoveString[0] - AAA;
9940 fromY = currentMoveString[1] - ONE;
9941 toX = currentMoveString[2] - AAA;
9942 toY = currentMoveString[3] - ONE;
9943 promoChar = currentMoveString[4];
9947 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9948 fromX = moveType == WhiteDrop ?
9949 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9950 (int) CharToPiece(ToLower(currentMoveString[0]));
9952 toX = currentMoveString[2] - AAA;
9953 toY = currentMoveString[3] - ONE;
9954 promoChar = NULLCHAR;
9958 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9959 if (appData.debugMode) {
9960 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9961 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9962 setbuf(debugFP, NULL);
9964 DisplayError(buf, 0);
9966 case ImpossibleMove:
9968 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9969 if (appData.debugMode) {
9970 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9971 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9972 setbuf(debugFP, NULL);
9974 DisplayError(buf, 0);
9977 if (boardIndex < backwardMostMove) {
9978 /* Oops, gap. How did that happen? */
9979 DisplayError(_("Gap in move list"), 0);
9982 backwardMostMove = blackPlaysFirst ? 1 : 0;
9983 if (boardIndex > forwardMostMove) {
9984 forwardMostMove = boardIndex;
9988 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9989 strcat(parseList[boardIndex-1], " ");
9990 strcat(parseList[boardIndex-1], yy_text);
10002 case GameUnfinished:
10003 if (gameMode == IcsExamining) {
10004 if (boardIndex < backwardMostMove) {
10005 /* Oops, gap. How did that happen? */
10008 backwardMostMove = blackPlaysFirst ? 1 : 0;
10011 gameInfo.result = moveType;
10012 p = strchr(yy_text, '{');
10013 if (p == NULL) p = strchr(yy_text, '(');
10016 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10018 q = strchr(p, *p == '{' ? '}' : ')');
10019 if (q != NULL) *q = NULLCHAR;
10022 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10023 gameInfo.resultDetails = StrSave(p);
10026 if (boardIndex >= forwardMostMove &&
10027 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10028 backwardMostMove = blackPlaysFirst ? 1 : 0;
10031 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10032 fromY, fromX, toY, toX, promoChar,
10033 parseList[boardIndex]);
10034 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10035 /* currentMoveString is set as a side-effect of yylex */
10036 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10037 strcat(moveList[boardIndex], "\n");
10039 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10040 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10046 if(!IS_SHOGI(gameInfo.variant))
10047 strcat(parseList[boardIndex - 1], "+");
10051 strcat(parseList[boardIndex - 1], "#");
10058 /* Apply a move to the given board */
10060 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10062 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10063 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10065 /* [HGM] compute & store e.p. status and castling rights for new position */
10066 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10068 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10069 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10070 board[EP_STATUS] = EP_NONE;
10071 board[EP_FILE] = board[EP_RANK] = 100;
10073 if (fromY == DROP_RANK) {
10074 /* must be first */
10075 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10076 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10079 piece = board[toY][toX] = (ChessSquare) fromX;
10081 // ChessSquare victim;
10084 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10085 // victim = board[killY][killX],
10086 killed = board[killY][killX],
10087 board[killY][killX] = EmptySquare,
10088 board[EP_STATUS] = EP_CAPTURE;
10089 if( kill2X >= 0 && kill2Y >= 0)
10090 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10093 if( board[toY][toX] != EmptySquare ) {
10094 board[EP_STATUS] = EP_CAPTURE;
10095 if( (fromX != toX || fromY != toY) && // not igui!
10096 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10097 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10098 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10102 pawn = board[fromY][fromX];
10103 if( pawn == WhiteLance || pawn == BlackLance ) {
10104 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10105 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10106 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10109 if( pawn == WhitePawn ) {
10110 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10111 board[EP_STATUS] = EP_PAWN_MOVE;
10112 if( toY-fromY>=2) {
10113 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10114 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10115 gameInfo.variant != VariantBerolina || toX < fromX)
10116 board[EP_STATUS] = toX | berolina;
10117 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10118 gameInfo.variant != VariantBerolina || toX > fromX)
10119 board[EP_STATUS] = toX;
10122 if( pawn == BlackPawn ) {
10123 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10124 board[EP_STATUS] = EP_PAWN_MOVE;
10125 if( toY-fromY<= -2) {
10126 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10127 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10128 gameInfo.variant != VariantBerolina || toX < fromX)
10129 board[EP_STATUS] = toX | berolina;
10130 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10131 gameInfo.variant != VariantBerolina || toX > fromX)
10132 board[EP_STATUS] = toX;
10136 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10137 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10138 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10139 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10141 for(i=0; i<nrCastlingRights; i++) {
10142 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10143 board[CASTLING][i] == toX && castlingRank[i] == toY
10144 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10147 if(gameInfo.variant == VariantSChess) { // update virginity
10148 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10149 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10150 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10151 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10154 if (fromX == toX && fromY == toY) return;
10156 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10157 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10158 if(gameInfo.variant == VariantKnightmate)
10159 king += (int) WhiteUnicorn - (int) WhiteKing;
10161 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10162 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10163 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10164 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10165 board[EP_STATUS] = EP_NONE; // capture was fake!
10167 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10168 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10169 board[toY][toX] = piece;
10170 board[EP_STATUS] = EP_NONE; // capture was fake!
10172 /* Code added by Tord: */
10173 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10174 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10175 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10176 board[EP_STATUS] = EP_NONE; // capture was fake!
10177 board[fromY][fromX] = EmptySquare;
10178 board[toY][toX] = EmptySquare;
10179 if((toX > fromX) != (piece == WhiteRook)) {
10180 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10182 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10184 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10185 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10186 board[EP_STATUS] = EP_NONE;
10187 board[fromY][fromX] = EmptySquare;
10188 board[toY][toX] = EmptySquare;
10189 if((toX > fromX) != (piece == BlackRook)) {
10190 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10192 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10194 /* End of code added by Tord */
10196 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10197 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10198 board[toY][toX] = piece;
10199 } else if (board[fromY][fromX] == king
10200 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10201 && toY == fromY && toX > fromX+1) {
10202 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10203 board[fromY][toX-1] = board[fromY][rookX];
10204 board[fromY][rookX] = EmptySquare;
10205 board[fromY][fromX] = EmptySquare;
10206 board[toY][toX] = king;
10207 } else if (board[fromY][fromX] == king
10208 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10209 && toY == fromY && toX < fromX-1) {
10210 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10211 board[fromY][toX+1] = board[fromY][rookX];
10212 board[fromY][rookX] = EmptySquare;
10213 board[fromY][fromX] = EmptySquare;
10214 board[toY][toX] = king;
10215 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10216 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10217 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10219 /* white pawn promotion */
10220 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10221 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10222 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10223 board[fromY][fromX] = EmptySquare;
10224 } else if ((fromY >= BOARD_HEIGHT>>1)
10225 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10227 && gameInfo.variant != VariantXiangqi
10228 && gameInfo.variant != VariantBerolina
10229 && (pawn == WhitePawn)
10230 && (board[toY][toX] == EmptySquare)) {
10231 board[fromY][fromX] = EmptySquare;
10232 board[toY][toX] = piece;
10233 if(toY == epRank - 128 + 1)
10234 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10236 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10237 } else if ((fromY == BOARD_HEIGHT-4)
10239 && gameInfo.variant == VariantBerolina
10240 && (board[fromY][fromX] == WhitePawn)
10241 && (board[toY][toX] == EmptySquare)) {
10242 board[fromY][fromX] = EmptySquare;
10243 board[toY][toX] = WhitePawn;
10244 if(oldEP & EP_BEROLIN_A) {
10245 captured = board[fromY][fromX-1];
10246 board[fromY][fromX-1] = EmptySquare;
10247 }else{ captured = board[fromY][fromX+1];
10248 board[fromY][fromX+1] = EmptySquare;
10250 } else if (board[fromY][fromX] == king
10251 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10252 && toY == fromY && toX > fromX+1) {
10253 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10254 board[fromY][toX-1] = board[fromY][rookX];
10255 board[fromY][rookX] = EmptySquare;
10256 board[fromY][fromX] = EmptySquare;
10257 board[toY][toX] = king;
10258 } else if (board[fromY][fromX] == king
10259 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10260 && toY == fromY && toX < fromX-1) {
10261 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10262 board[fromY][toX+1] = board[fromY][rookX];
10263 board[fromY][rookX] = EmptySquare;
10264 board[fromY][fromX] = EmptySquare;
10265 board[toY][toX] = king;
10266 } else if (fromY == 7 && fromX == 3
10267 && board[fromY][fromX] == BlackKing
10268 && toY == 7 && toX == 5) {
10269 board[fromY][fromX] = EmptySquare;
10270 board[toY][toX] = BlackKing;
10271 board[fromY][7] = EmptySquare;
10272 board[toY][4] = BlackRook;
10273 } else if (fromY == 7 && fromX == 3
10274 && board[fromY][fromX] == BlackKing
10275 && toY == 7 && toX == 1) {
10276 board[fromY][fromX] = EmptySquare;
10277 board[toY][toX] = BlackKing;
10278 board[fromY][0] = EmptySquare;
10279 board[toY][2] = BlackRook;
10280 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10281 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10282 && toY < promoRank && promoChar
10284 /* black pawn promotion */
10285 board[toY][toX] = CharToPiece(ToLower(promoChar));
10286 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10287 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10288 board[fromY][fromX] = EmptySquare;
10289 } else if ((fromY < BOARD_HEIGHT>>1)
10290 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10292 && gameInfo.variant != VariantXiangqi
10293 && gameInfo.variant != VariantBerolina
10294 && (pawn == BlackPawn)
10295 && (board[toY][toX] == EmptySquare)) {
10296 board[fromY][fromX] = EmptySquare;
10297 board[toY][toX] = piece;
10298 if(toY == epRank - 128 - 1)
10299 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10301 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10302 } else if ((fromY == 3)
10304 && gameInfo.variant == VariantBerolina
10305 && (board[fromY][fromX] == BlackPawn)
10306 && (board[toY][toX] == EmptySquare)) {
10307 board[fromY][fromX] = EmptySquare;
10308 board[toY][toX] = BlackPawn;
10309 if(oldEP & EP_BEROLIN_A) {
10310 captured = board[fromY][fromX-1];
10311 board[fromY][fromX-1] = EmptySquare;
10312 }else{ captured = board[fromY][fromX+1];
10313 board[fromY][fromX+1] = EmptySquare;
10316 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10317 board[fromY][fromX] = EmptySquare;
10318 board[toY][toX] = piece;
10322 if (gameInfo.holdingsWidth != 0) {
10324 /* !!A lot more code needs to be written to support holdings */
10325 /* [HGM] OK, so I have written it. Holdings are stored in the */
10326 /* penultimate board files, so they are automaticlly stored */
10327 /* in the game history. */
10328 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10329 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10330 /* Delete from holdings, by decreasing count */
10331 /* and erasing image if necessary */
10332 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10333 if(p < (int) BlackPawn) { /* white drop */
10334 p -= (int)WhitePawn;
10335 p = PieceToNumber((ChessSquare)p);
10336 if(p >= gameInfo.holdingsSize) p = 0;
10337 if(--board[p][BOARD_WIDTH-2] <= 0)
10338 board[p][BOARD_WIDTH-1] = EmptySquare;
10339 if((int)board[p][BOARD_WIDTH-2] < 0)
10340 board[p][BOARD_WIDTH-2] = 0;
10341 } else { /* black drop */
10342 p -= (int)BlackPawn;
10343 p = PieceToNumber((ChessSquare)p);
10344 if(p >= gameInfo.holdingsSize) p = 0;
10345 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10346 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10347 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10348 board[BOARD_HEIGHT-1-p][1] = 0;
10351 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10352 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10353 /* [HGM] holdings: Add to holdings, if holdings exist */
10354 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10355 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10356 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10358 p = (int) captured;
10359 if (p >= (int) BlackPawn) {
10360 p -= (int)BlackPawn;
10361 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10362 /* Restore shogi-promoted piece to its original first */
10363 captured = (ChessSquare) (DEMOTED(captured));
10366 p = PieceToNumber((ChessSquare)p);
10367 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10368 board[p][BOARD_WIDTH-2]++;
10369 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10371 p -= (int)WhitePawn;
10372 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10373 captured = (ChessSquare) (DEMOTED(captured));
10376 p = PieceToNumber((ChessSquare)p);
10377 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10378 board[BOARD_HEIGHT-1-p][1]++;
10379 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10382 } else if (gameInfo.variant == VariantAtomic) {
10383 if (captured != EmptySquare) {
10385 for (y = toY-1; y <= toY+1; y++) {
10386 for (x = toX-1; x <= toX+1; x++) {
10387 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10388 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10389 board[y][x] = EmptySquare;
10393 board[toY][toX] = EmptySquare;
10397 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10398 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10400 if(promoChar == '+') {
10401 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10402 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10403 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10404 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10405 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10406 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10407 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10408 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10409 board[toY][toX] = newPiece;
10411 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10412 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10413 // [HGM] superchess: take promotion piece out of holdings
10414 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10415 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10416 if(!--board[k][BOARD_WIDTH-2])
10417 board[k][BOARD_WIDTH-1] = EmptySquare;
10419 if(!--board[BOARD_HEIGHT-1-k][1])
10420 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10425 /* Updates forwardMostMove */
10427 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10429 int x = toX, y = toY;
10430 char *s = parseList[forwardMostMove];
10431 ChessSquare p = boards[forwardMostMove][toY][toX];
10432 // forwardMostMove++; // [HGM] bare: moved downstream
10434 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10435 (void) CoordsToAlgebraic(boards[forwardMostMove],
10436 PosFlags(forwardMostMove),
10437 fromY, fromX, y, x, promoChar,
10439 if(killX >= 0 && killY >= 0)
10440 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10442 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10443 int timeLeft; static int lastLoadFlag=0; int king, piece;
10444 piece = boards[forwardMostMove][fromY][fromX];
10445 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10446 if(gameInfo.variant == VariantKnightmate)
10447 king += (int) WhiteUnicorn - (int) WhiteKing;
10448 if(forwardMostMove == 0) {
10449 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10450 fprintf(serverMoves, "%s;", UserName());
10451 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10452 fprintf(serverMoves, "%s;", second.tidy);
10453 fprintf(serverMoves, "%s;", first.tidy);
10454 if(gameMode == MachinePlaysWhite)
10455 fprintf(serverMoves, "%s;", UserName());
10456 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10457 fprintf(serverMoves, "%s;", second.tidy);
10458 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10459 lastLoadFlag = loadFlag;
10461 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10462 // print castling suffix
10463 if( toY == fromY && piece == king ) {
10465 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10467 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10470 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10471 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10472 boards[forwardMostMove][toY][toX] == EmptySquare
10473 && fromX != toX && fromY != toY)
10474 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10475 // promotion suffix
10476 if(promoChar != NULLCHAR) {
10477 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10478 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10479 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10480 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10483 char buf[MOVE_LEN*2], *p; int len;
10484 fprintf(serverMoves, "/%d/%d",
10485 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10486 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10487 else timeLeft = blackTimeRemaining/1000;
10488 fprintf(serverMoves, "/%d", timeLeft);
10489 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10490 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10491 if(p = strchr(buf, '=')) *p = NULLCHAR;
10492 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10493 fprintf(serverMoves, "/%s", buf);
10495 fflush(serverMoves);
10498 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10499 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10502 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10503 if (commentList[forwardMostMove+1] != NULL) {
10504 free(commentList[forwardMostMove+1]);
10505 commentList[forwardMostMove+1] = NULL;
10507 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10508 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10509 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10510 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10511 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10512 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10513 adjustedClock = FALSE;
10514 gameInfo.result = GameUnfinished;
10515 if (gameInfo.resultDetails != NULL) {
10516 free(gameInfo.resultDetails);
10517 gameInfo.resultDetails = NULL;
10519 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10520 moveList[forwardMostMove - 1]);
10521 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10527 if(!IS_SHOGI(gameInfo.variant))
10528 strcat(parseList[forwardMostMove - 1], "+");
10532 strcat(parseList[forwardMostMove - 1], "#");
10537 /* Updates currentMove if not pausing */
10539 ShowMove (int fromX, int fromY, int toX, int toY)
10541 int instant = (gameMode == PlayFromGameFile) ?
10542 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10543 if(appData.noGUI) return;
10544 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10546 if (forwardMostMove == currentMove + 1) {
10547 AnimateMove(boards[forwardMostMove - 1],
10548 fromX, fromY, toX, toY);
10551 currentMove = forwardMostMove;
10554 killX = killY = -1; // [HGM] lion: used up
10556 if (instant) return;
10558 DisplayMove(currentMove - 1);
10559 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10560 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10561 SetHighlights(fromX, fromY, toX, toY);
10564 DrawPosition(FALSE, boards[currentMove]);
10565 DisplayBothClocks();
10566 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10570 SendEgtPath (ChessProgramState *cps)
10571 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10572 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10574 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10577 char c, *q = name+1, *r, *s;
10579 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10580 while(*p && *p != ',') *q++ = *p++;
10581 *q++ = ':'; *q = 0;
10582 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10583 strcmp(name, ",nalimov:") == 0 ) {
10584 // take nalimov path from the menu-changeable option first, if it is defined
10585 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10586 SendToProgram(buf,cps); // send egtbpath command for nalimov
10588 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10589 (s = StrStr(appData.egtFormats, name)) != NULL) {
10590 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10591 s = r = StrStr(s, ":") + 1; // beginning of path info
10592 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10593 c = *r; *r = 0; // temporarily null-terminate path info
10594 *--q = 0; // strip of trailig ':' from name
10595 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10597 SendToProgram(buf,cps); // send egtbpath command for this format
10599 if(*p == ',') p++; // read away comma to position for next format name
10604 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10606 int width = 8, height = 8, holdings = 0; // most common sizes
10607 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10608 // correct the deviations default for each variant
10609 if( v == VariantXiangqi ) width = 9, height = 10;
10610 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10611 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10612 if( v == VariantCapablanca || v == VariantCapaRandom ||
10613 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10615 if( v == VariantCourier ) width = 12;
10616 if( v == VariantSuper ) holdings = 8;
10617 if( v == VariantGreat ) width = 10, holdings = 8;
10618 if( v == VariantSChess ) holdings = 7;
10619 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10620 if( v == VariantChuChess) width = 10, height = 10;
10621 if( v == VariantChu ) width = 12, height = 12;
10622 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10623 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10624 holdingsSize >= 0 && holdingsSize != holdings;
10627 char variantError[MSG_SIZ];
10630 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10631 { // returns error message (recognizable by upper-case) if engine does not support the variant
10632 char *p, *variant = VariantName(v);
10633 static char b[MSG_SIZ];
10634 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10635 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10636 holdingsSize, variant); // cook up sized variant name
10637 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10638 if(StrStr(list, b) == NULL) {
10639 // specific sized variant not known, check if general sizing allowed
10640 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10641 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10642 boardWidth, boardHeight, holdingsSize, engine);
10645 /* [HGM] here we really should compare with the maximum supported board size */
10647 } else snprintf(b, MSG_SIZ,"%s", variant);
10648 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10649 p = StrStr(list, b);
10650 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10652 // occurs not at all in list, or only as sub-string
10653 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10654 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10655 int l = strlen(variantError);
10657 while(p != list && p[-1] != ',') p--;
10658 q = strchr(p, ',');
10659 if(q) *q = NULLCHAR;
10660 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10669 InitChessProgram (ChessProgramState *cps, int setup)
10670 /* setup needed to setup FRC opening position */
10672 char buf[MSG_SIZ], *b;
10673 if (appData.noChessProgram) return;
10674 hintRequested = FALSE;
10675 bookRequested = FALSE;
10677 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10678 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10679 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10680 if(cps->memSize) { /* [HGM] memory */
10681 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10682 SendToProgram(buf, cps);
10684 SendEgtPath(cps); /* [HGM] EGT */
10685 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10686 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10687 SendToProgram(buf, cps);
10690 setboardSpoiledMachineBlack = FALSE;
10691 SendToProgram(cps->initString, cps);
10692 if (gameInfo.variant != VariantNormal &&
10693 gameInfo.variant != VariantLoadable
10694 /* [HGM] also send variant if board size non-standard */
10695 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10697 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10698 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10701 char c, *q = cps->variants, *p = strchr(q, ',');
10702 if(p) *p = NULLCHAR;
10703 v = StringToVariant(q);
10704 DisplayError(variantError, 0);
10705 if(v != VariantUnknown && cps == &first) {
10707 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10708 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10709 ASSIGN(appData.variant, q);
10710 Reset(TRUE, FALSE);
10716 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10717 SendToProgram(buf, cps);
10719 currentlyInitializedVariant = gameInfo.variant;
10721 /* [HGM] send opening position in FRC to first engine */
10723 SendToProgram("force\n", cps);
10725 /* engine is now in force mode! Set flag to wake it up after first move. */
10726 setboardSpoiledMachineBlack = 1;
10729 if (cps->sendICS) {
10730 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10731 SendToProgram(buf, cps);
10733 cps->maybeThinking = FALSE;
10734 cps->offeredDraw = 0;
10735 if (!appData.icsActive) {
10736 SendTimeControl(cps, movesPerSession, timeControl,
10737 timeIncrement, appData.searchDepth,
10740 if (appData.showThinking
10741 // [HGM] thinking: four options require thinking output to be sent
10742 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10744 SendToProgram("post\n", cps);
10746 SendToProgram("hard\n", cps);
10747 if (!appData.ponderNextMove) {
10748 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10749 it without being sure what state we are in first. "hard"
10750 is not a toggle, so that one is OK.
10752 SendToProgram("easy\n", cps);
10754 if (cps->usePing) {
10755 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10756 SendToProgram(buf, cps);
10758 cps->initDone = TRUE;
10759 ClearEngineOutputPane(cps == &second);
10764 ResendOptions (ChessProgramState *cps)
10765 { // send the stored value of the options
10768 Option *opt = cps->option;
10769 for(i=0; i<cps->nrOptions; i++, opt++) {
10770 switch(opt->type) {
10774 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10777 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10780 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10786 SendToProgram(buf, cps);
10791 StartChessProgram (ChessProgramState *cps)
10796 if (appData.noChessProgram) return;
10797 cps->initDone = FALSE;
10799 if (strcmp(cps->host, "localhost") == 0) {
10800 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10801 } else if (*appData.remoteShell == NULLCHAR) {
10802 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10804 if (*appData.remoteUser == NULLCHAR) {
10805 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10808 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10809 cps->host, appData.remoteUser, cps->program);
10811 err = StartChildProcess(buf, "", &cps->pr);
10815 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10816 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10817 if(cps != &first) return;
10818 appData.noChessProgram = TRUE;
10821 // DisplayFatalError(buf, err, 1);
10822 // cps->pr = NoProc;
10823 // cps->isr = NULL;
10827 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10828 if (cps->protocolVersion > 1) {
10829 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10830 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10831 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10832 cps->comboCnt = 0; // and values of combo boxes
10834 SendToProgram(buf, cps);
10835 if(cps->reload) ResendOptions(cps);
10837 SendToProgram("xboard\n", cps);
10842 TwoMachinesEventIfReady P((void))
10844 static int curMess = 0;
10845 if (first.lastPing != first.lastPong) {
10846 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10847 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10850 if (second.lastPing != second.lastPong) {
10851 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10852 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10855 DisplayMessage("", ""); curMess = 0;
10856 TwoMachinesEvent();
10860 MakeName (char *template)
10864 static char buf[MSG_SIZ];
10868 clock = time((time_t *)NULL);
10869 tm = localtime(&clock);
10871 while(*p++ = *template++) if(p[-1] == '%') {
10872 switch(*template++) {
10873 case 0: *p = 0; return buf;
10874 case 'Y': i = tm->tm_year+1900; break;
10875 case 'y': i = tm->tm_year-100; break;
10876 case 'M': i = tm->tm_mon+1; break;
10877 case 'd': i = tm->tm_mday; break;
10878 case 'h': i = tm->tm_hour; break;
10879 case 'm': i = tm->tm_min; break;
10880 case 's': i = tm->tm_sec; break;
10883 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10889 CountPlayers (char *p)
10892 while(p = strchr(p, '\n')) p++, n++; // count participants
10897 WriteTourneyFile (char *results, FILE *f)
10898 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10899 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10900 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10901 // create a file with tournament description
10902 fprintf(f, "-participants {%s}\n", appData.participants);
10903 fprintf(f, "-seedBase %d\n", appData.seedBase);
10904 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10905 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10906 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10907 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10908 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10909 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10910 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10911 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10912 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10913 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10914 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10915 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10916 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10917 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10918 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10919 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10920 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10921 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10922 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10923 fprintf(f, "-smpCores %d\n", appData.smpCores);
10925 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10927 fprintf(f, "-mps %d\n", appData.movesPerSession);
10928 fprintf(f, "-tc %s\n", appData.timeControl);
10929 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10931 fprintf(f, "-results \"%s\"\n", results);
10936 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10939 Substitute (char *participants, int expunge)
10941 int i, changed, changes=0, nPlayers=0;
10942 char *p, *q, *r, buf[MSG_SIZ];
10943 if(participants == NULL) return;
10944 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10945 r = p = participants; q = appData.participants;
10946 while(*p && *p == *q) {
10947 if(*p == '\n') r = p+1, nPlayers++;
10950 if(*p) { // difference
10951 while(*p && *p++ != '\n');
10952 while(*q && *q++ != '\n');
10953 changed = nPlayers;
10954 changes = 1 + (strcmp(p, q) != 0);
10956 if(changes == 1) { // a single engine mnemonic was changed
10957 q = r; while(*q) nPlayers += (*q++ == '\n');
10958 p = buf; while(*r && (*p = *r++) != '\n') p++;
10960 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10961 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10962 if(mnemonic[i]) { // The substitute is valid
10964 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10965 flock(fileno(f), LOCK_EX);
10966 ParseArgsFromFile(f);
10967 fseek(f, 0, SEEK_SET);
10968 FREE(appData.participants); appData.participants = participants;
10969 if(expunge) { // erase results of replaced engine
10970 int len = strlen(appData.results), w, b, dummy;
10971 for(i=0; i<len; i++) {
10972 Pairing(i, nPlayers, &w, &b, &dummy);
10973 if((w == changed || b == changed) && appData.results[i] == '*') {
10974 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10979 for(i=0; i<len; i++) {
10980 Pairing(i, nPlayers, &w, &b, &dummy);
10981 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10984 WriteTourneyFile(appData.results, f);
10985 fclose(f); // release lock
10988 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10990 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10991 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10992 free(participants);
10997 CheckPlayers (char *participants)
11000 char buf[MSG_SIZ], *p;
11001 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11002 while(p = strchr(participants, '\n')) {
11004 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11006 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11008 DisplayError(buf, 0);
11012 participants = p + 1;
11018 CreateTourney (char *name)
11021 if(matchMode && strcmp(name, appData.tourneyFile)) {
11022 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11024 if(name[0] == NULLCHAR) {
11025 if(appData.participants[0])
11026 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11029 f = fopen(name, "r");
11030 if(f) { // file exists
11031 ASSIGN(appData.tourneyFile, name);
11032 ParseArgsFromFile(f); // parse it
11034 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11035 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11036 DisplayError(_("Not enough participants"), 0);
11039 if(CheckPlayers(appData.participants)) return 0;
11040 ASSIGN(appData.tourneyFile, name);
11041 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11042 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11045 appData.noChessProgram = FALSE;
11046 appData.clockMode = TRUE;
11052 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11054 char buf[MSG_SIZ], *p, *q;
11055 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11056 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11057 skip = !all && group[0]; // if group requested, we start in skip mode
11058 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11059 p = names; q = buf; header = 0;
11060 while(*p && *p != '\n') *q++ = *p++;
11062 if(*p == '\n') p++;
11063 if(buf[0] == '#') {
11064 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11065 depth++; // we must be entering a new group
11066 if(all) continue; // suppress printing group headers when complete list requested
11068 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11070 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11071 if(engineList[i]) free(engineList[i]);
11072 engineList[i] = strdup(buf);
11073 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11074 if(engineMnemonic[i]) free(engineMnemonic[i]);
11075 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11077 sscanf(q + 8, "%s", buf + strlen(buf));
11080 engineMnemonic[i] = strdup(buf);
11083 engineList[i] = engineMnemonic[i] = NULL;
11087 // following implemented as macro to avoid type limitations
11088 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11091 SwapEngines (int n)
11092 { // swap settings for first engine and other engine (so far only some selected options)
11097 SWAP(chessProgram, p)
11099 SWAP(hasOwnBookUCI, h)
11100 SWAP(protocolVersion, h)
11102 SWAP(scoreIsAbsolute, h)
11107 SWAP(engOptions, p)
11108 SWAP(engInitString, p)
11109 SWAP(computerString, p)
11111 SWAP(fenOverride, p)
11113 SWAP(accumulateTC, h)
11120 GetEngineLine (char *s, int n)
11124 extern char *icsNames;
11125 if(!s || !*s) return 0;
11126 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11127 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11128 if(!mnemonic[i]) return 0;
11129 if(n == 11) return 1; // just testing if there was a match
11130 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11131 if(n == 1) SwapEngines(n);
11132 ParseArgsFromString(buf);
11133 if(n == 1) SwapEngines(n);
11134 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11135 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11136 ParseArgsFromString(buf);
11142 SetPlayer (int player, char *p)
11143 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11145 char buf[MSG_SIZ], *engineName;
11146 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11147 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11148 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11150 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11151 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11152 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11153 ParseArgsFromString(buf);
11154 } else { // no engine with this nickname is installed!
11155 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11156 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11157 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11159 DisplayError(buf, 0);
11166 char *recentEngines;
11169 RecentEngineEvent (int nr)
11172 // SwapEngines(1); // bump first to second
11173 // ReplaceEngine(&second, 1); // and load it there
11174 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11175 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11176 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11177 ReplaceEngine(&first, 0);
11178 FloatToFront(&appData.recentEngineList, command[n]);
11183 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11184 { // determine players from game number
11185 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11187 if(appData.tourneyType == 0) {
11188 roundsPerCycle = (nPlayers - 1) | 1;
11189 pairingsPerRound = nPlayers / 2;
11190 } else if(appData.tourneyType > 0) {
11191 roundsPerCycle = nPlayers - appData.tourneyType;
11192 pairingsPerRound = appData.tourneyType;
11194 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11195 gamesPerCycle = gamesPerRound * roundsPerCycle;
11196 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11197 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11198 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11199 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11200 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11201 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11203 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11204 if(appData.roundSync) *syncInterval = gamesPerRound;
11206 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11208 if(appData.tourneyType == 0) {
11209 if(curPairing == (nPlayers-1)/2 ) {
11210 *whitePlayer = curRound;
11211 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11213 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11214 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11215 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11216 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11218 } else if(appData.tourneyType > 1) {
11219 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11220 *whitePlayer = curRound + appData.tourneyType;
11221 } else if(appData.tourneyType > 0) {
11222 *whitePlayer = curPairing;
11223 *blackPlayer = curRound + appData.tourneyType;
11226 // take care of white/black alternation per round.
11227 // For cycles and games this is already taken care of by default, derived from matchGame!
11228 return curRound & 1;
11232 NextTourneyGame (int nr, int *swapColors)
11233 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11235 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11237 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11238 tf = fopen(appData.tourneyFile, "r");
11239 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11240 ParseArgsFromFile(tf); fclose(tf);
11241 InitTimeControls(); // TC might be altered from tourney file
11243 nPlayers = CountPlayers(appData.participants); // count participants
11244 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11245 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11248 p = q = appData.results;
11249 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11250 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11251 DisplayMessage(_("Waiting for other game(s)"),"");
11252 waitingForGame = TRUE;
11253 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11256 waitingForGame = FALSE;
11259 if(appData.tourneyType < 0) {
11260 if(nr>=0 && !pairingReceived) {
11262 if(pairing.pr == NoProc) {
11263 if(!appData.pairingEngine[0]) {
11264 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11267 StartChessProgram(&pairing); // starts the pairing engine
11269 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11270 SendToProgram(buf, &pairing);
11271 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11272 SendToProgram(buf, &pairing);
11273 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11275 pairingReceived = 0; // ... so we continue here
11277 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11278 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11279 matchGame = 1; roundNr = nr / syncInterval + 1;
11282 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11284 // redefine engines, engine dir, etc.
11285 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11286 if(first.pr == NoProc) {
11287 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11288 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11290 if(second.pr == NoProc) {
11292 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11293 SwapEngines(1); // and make that valid for second engine by swapping
11294 InitEngine(&second, 1);
11296 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11297 UpdateLogos(FALSE); // leave display to ModeHiglight()
11303 { // performs game initialization that does not invoke engines, and then tries to start the game
11304 int res, firstWhite, swapColors = 0;
11305 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11306 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
11308 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11309 if(strcmp(buf, currentDebugFile)) { // name has changed
11310 FILE *f = fopen(buf, "w");
11311 if(f) { // if opening the new file failed, just keep using the old one
11312 ASSIGN(currentDebugFile, buf);
11316 if(appData.serverFileName) {
11317 if(serverFP) fclose(serverFP);
11318 serverFP = fopen(appData.serverFileName, "w");
11319 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11320 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11324 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11325 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11326 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11327 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11328 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11329 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11330 Reset(FALSE, first.pr != NoProc);
11331 res = LoadGameOrPosition(matchGame); // setup game
11332 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11333 if(!res) return; // abort when bad game/pos file
11334 TwoMachinesEvent();
11338 UserAdjudicationEvent (int result)
11340 ChessMove gameResult = GameIsDrawn;
11343 gameResult = WhiteWins;
11345 else if( result < 0 ) {
11346 gameResult = BlackWins;
11349 if( gameMode == TwoMachinesPlay ) {
11350 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11355 // [HGM] save: calculate checksum of game to make games easily identifiable
11357 StringCheckSum (char *s)
11360 if(s==NULL) return 0;
11361 while(*s) i = i*259 + *s++;
11369 for(i=backwardMostMove; i<forwardMostMove; i++) {
11370 sum += pvInfoList[i].depth;
11371 sum += StringCheckSum(parseList[i]);
11372 sum += StringCheckSum(commentList[i]);
11375 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11376 return sum + StringCheckSum(commentList[i]);
11377 } // end of save patch
11380 GameEnds (ChessMove result, char *resultDetails, int whosays)
11382 GameMode nextGameMode;
11384 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11386 if(endingGame) return; /* [HGM] crash: forbid recursion */
11388 if(twoBoards) { // [HGM] dual: switch back to one board
11389 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11390 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11392 if (appData.debugMode) {
11393 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11394 result, resultDetails ? resultDetails : "(null)", whosays);
11397 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11399 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11401 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11402 /* If we are playing on ICS, the server decides when the
11403 game is over, but the engine can offer to draw, claim
11407 if (appData.zippyPlay && first.initDone) {
11408 if (result == GameIsDrawn) {
11409 /* In case draw still needs to be claimed */
11410 SendToICS(ics_prefix);
11411 SendToICS("draw\n");
11412 } else if (StrCaseStr(resultDetails, "resign")) {
11413 SendToICS(ics_prefix);
11414 SendToICS("resign\n");
11418 endingGame = 0; /* [HGM] crash */
11422 /* If we're loading the game from a file, stop */
11423 if (whosays == GE_FILE) {
11424 (void) StopLoadGameTimer();
11428 /* Cancel draw offers */
11429 first.offeredDraw = second.offeredDraw = 0;
11431 /* If this is an ICS game, only ICS can really say it's done;
11432 if not, anyone can. */
11433 isIcsGame = (gameMode == IcsPlayingWhite ||
11434 gameMode == IcsPlayingBlack ||
11435 gameMode == IcsObserving ||
11436 gameMode == IcsExamining);
11438 if (!isIcsGame || whosays == GE_ICS) {
11439 /* OK -- not an ICS game, or ICS said it was done */
11441 if (!isIcsGame && !appData.noChessProgram)
11442 SetUserThinkingEnables();
11444 /* [HGM] if a machine claims the game end we verify this claim */
11445 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11446 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11448 ChessMove trueResult = (ChessMove) -1;
11450 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11451 first.twoMachinesColor[0] :
11452 second.twoMachinesColor[0] ;
11454 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11455 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11456 /* [HGM] verify: engine mate claims accepted if they were flagged */
11457 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11459 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11460 /* [HGM] verify: engine mate claims accepted if they were flagged */
11461 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11463 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11464 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11467 // now verify win claims, but not in drop games, as we don't understand those yet
11468 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11469 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11470 (result == WhiteWins && claimer == 'w' ||
11471 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11472 if (appData.debugMode) {
11473 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11474 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11476 if(result != trueResult) {
11477 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11478 result = claimer == 'w' ? BlackWins : WhiteWins;
11479 resultDetails = buf;
11482 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11483 && (forwardMostMove <= backwardMostMove ||
11484 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11485 (claimer=='b')==(forwardMostMove&1))
11487 /* [HGM] verify: draws that were not flagged are false claims */
11488 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11489 result = claimer == 'w' ? BlackWins : WhiteWins;
11490 resultDetails = buf;
11492 /* (Claiming a loss is accepted no questions asked!) */
11493 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11494 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11495 result = GameUnfinished;
11496 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11498 /* [HGM] bare: don't allow bare King to win */
11499 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11500 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11501 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11502 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11503 && result != GameIsDrawn)
11504 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11505 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11506 int p = (signed char)boards[forwardMostMove][i][j] - color;
11507 if(p >= 0 && p <= (int)WhiteKing) k++;
11508 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11510 if (appData.debugMode) {
11511 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11512 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11514 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11515 result = GameIsDrawn;
11516 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11517 resultDetails = buf;
11523 if(serverMoves != NULL && !loadFlag) { char c = '=';
11524 if(result==WhiteWins) c = '+';
11525 if(result==BlackWins) c = '-';
11526 if(resultDetails != NULL)
11527 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11529 if (resultDetails != NULL) {
11530 gameInfo.result = result;
11531 gameInfo.resultDetails = StrSave(resultDetails);
11533 /* display last move only if game was not loaded from file */
11534 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11535 DisplayMove(currentMove - 1);
11537 if (forwardMostMove != 0) {
11538 if (gameMode != PlayFromGameFile && gameMode != EditGame
11539 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11541 if (*appData.saveGameFile != NULLCHAR) {
11542 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11543 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11545 SaveGameToFile(appData.saveGameFile, TRUE);
11546 } else if (appData.autoSaveGames) {
11547 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11549 if (*appData.savePositionFile != NULLCHAR) {
11550 SavePositionToFile(appData.savePositionFile);
11552 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11556 /* Tell program how game ended in case it is learning */
11557 /* [HGM] Moved this to after saving the PGN, just in case */
11558 /* engine died and we got here through time loss. In that */
11559 /* case we will get a fatal error writing the pipe, which */
11560 /* would otherwise lose us the PGN. */
11561 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11562 /* output during GameEnds should never be fatal anymore */
11563 if (gameMode == MachinePlaysWhite ||
11564 gameMode == MachinePlaysBlack ||
11565 gameMode == TwoMachinesPlay ||
11566 gameMode == IcsPlayingWhite ||
11567 gameMode == IcsPlayingBlack ||
11568 gameMode == BeginningOfGame) {
11570 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11572 if (first.pr != NoProc) {
11573 SendToProgram(buf, &first);
11575 if (second.pr != NoProc &&
11576 gameMode == TwoMachinesPlay) {
11577 SendToProgram(buf, &second);
11582 if (appData.icsActive) {
11583 if (appData.quietPlay &&
11584 (gameMode == IcsPlayingWhite ||
11585 gameMode == IcsPlayingBlack)) {
11586 SendToICS(ics_prefix);
11587 SendToICS("set shout 1\n");
11589 nextGameMode = IcsIdle;
11590 ics_user_moved = FALSE;
11591 /* clean up premove. It's ugly when the game has ended and the
11592 * premove highlights are still on the board.
11595 gotPremove = FALSE;
11596 ClearPremoveHighlights();
11597 DrawPosition(FALSE, boards[currentMove]);
11599 if (whosays == GE_ICS) {
11602 if (gameMode == IcsPlayingWhite)
11604 else if(gameMode == IcsPlayingBlack)
11605 PlayIcsLossSound();
11608 if (gameMode == IcsPlayingBlack)
11610 else if(gameMode == IcsPlayingWhite)
11611 PlayIcsLossSound();
11614 PlayIcsDrawSound();
11617 PlayIcsUnfinishedSound();
11620 if(appData.quitNext) { ExitEvent(0); return; }
11621 } else if (gameMode == EditGame ||
11622 gameMode == PlayFromGameFile ||
11623 gameMode == AnalyzeMode ||
11624 gameMode == AnalyzeFile) {
11625 nextGameMode = gameMode;
11627 nextGameMode = EndOfGame;
11632 nextGameMode = gameMode;
11635 if (appData.noChessProgram) {
11636 gameMode = nextGameMode;
11638 endingGame = 0; /* [HGM] crash */
11643 /* Put first chess program into idle state */
11644 if (first.pr != NoProc &&
11645 (gameMode == MachinePlaysWhite ||
11646 gameMode == MachinePlaysBlack ||
11647 gameMode == TwoMachinesPlay ||
11648 gameMode == IcsPlayingWhite ||
11649 gameMode == IcsPlayingBlack ||
11650 gameMode == BeginningOfGame)) {
11651 SendToProgram("force\n", &first);
11652 if (first.usePing) {
11654 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11655 SendToProgram(buf, &first);
11658 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11659 /* Kill off first chess program */
11660 if (first.isr != NULL)
11661 RemoveInputSource(first.isr);
11664 if (first.pr != NoProc) {
11666 DoSleep( appData.delayBeforeQuit );
11667 SendToProgram("quit\n", &first);
11668 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11669 first.reload = TRUE;
11673 if (second.reuse) {
11674 /* Put second chess program into idle state */
11675 if (second.pr != NoProc &&
11676 gameMode == TwoMachinesPlay) {
11677 SendToProgram("force\n", &second);
11678 if (second.usePing) {
11680 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11681 SendToProgram(buf, &second);
11684 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11685 /* Kill off second chess program */
11686 if (second.isr != NULL)
11687 RemoveInputSource(second.isr);
11690 if (second.pr != NoProc) {
11691 DoSleep( appData.delayBeforeQuit );
11692 SendToProgram("quit\n", &second);
11693 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11694 second.reload = TRUE;
11696 second.pr = NoProc;
11699 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11700 char resChar = '=';
11704 if (first.twoMachinesColor[0] == 'w') {
11707 second.matchWins++;
11712 if (first.twoMachinesColor[0] == 'b') {
11715 second.matchWins++;
11718 case GameUnfinished:
11724 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11725 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11726 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11727 ReserveGame(nextGame, resChar); // sets nextGame
11728 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11729 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11730 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11732 if (nextGame <= appData.matchGames && !abortMatch) {
11733 gameMode = nextGameMode;
11734 matchGame = nextGame; // this will be overruled in tourney mode!
11735 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11736 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11737 endingGame = 0; /* [HGM] crash */
11740 gameMode = nextGameMode;
11741 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11742 first.tidy, second.tidy,
11743 first.matchWins, second.matchWins,
11744 appData.matchGames - (first.matchWins + second.matchWins));
11745 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11746 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11747 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11748 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11749 first.twoMachinesColor = "black\n";
11750 second.twoMachinesColor = "white\n";
11752 first.twoMachinesColor = "white\n";
11753 second.twoMachinesColor = "black\n";
11757 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11758 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11760 gameMode = nextGameMode;
11762 endingGame = 0; /* [HGM] crash */
11763 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11764 if(matchMode == TRUE) { // match through command line: exit with or without popup
11766 ToNrEvent(forwardMostMove);
11767 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11769 } else DisplayFatalError(buf, 0, 0);
11770 } else { // match through menu; just stop, with or without popup
11771 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11774 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11775 } else DisplayNote(buf);
11777 if(ranking) free(ranking);
11781 /* Assumes program was just initialized (initString sent).
11782 Leaves program in force mode. */
11784 FeedMovesToProgram (ChessProgramState *cps, int upto)
11788 if (appData.debugMode)
11789 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11790 startedFromSetupPosition ? "position and " : "",
11791 backwardMostMove, upto, cps->which);
11792 if(currentlyInitializedVariant != gameInfo.variant) {
11794 // [HGM] variantswitch: make engine aware of new variant
11795 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11796 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11797 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11798 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11799 SendToProgram(buf, cps);
11800 currentlyInitializedVariant = gameInfo.variant;
11802 SendToProgram("force\n", cps);
11803 if (startedFromSetupPosition) {
11804 SendBoard(cps, backwardMostMove);
11805 if (appData.debugMode) {
11806 fprintf(debugFP, "feedMoves\n");
11809 for (i = backwardMostMove; i < upto; i++) {
11810 SendMoveToProgram(i, cps);
11816 ResurrectChessProgram ()
11818 /* The chess program may have exited.
11819 If so, restart it and feed it all the moves made so far. */
11820 static int doInit = 0;
11822 if (appData.noChessProgram) return 1;
11824 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11825 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11826 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11827 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11829 if (first.pr != NoProc) return 1;
11830 StartChessProgram(&first);
11832 InitChessProgram(&first, FALSE);
11833 FeedMovesToProgram(&first, currentMove);
11835 if (!first.sendTime) {
11836 /* can't tell gnuchess what its clock should read,
11837 so we bow to its notion. */
11839 timeRemaining[0][currentMove] = whiteTimeRemaining;
11840 timeRemaining[1][currentMove] = blackTimeRemaining;
11843 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11844 appData.icsEngineAnalyze) && first.analysisSupport) {
11845 SendToProgram("analyze\n", &first);
11846 first.analyzing = TRUE;
11852 * Button procedures
11855 Reset (int redraw, int init)
11859 if (appData.debugMode) {
11860 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11861 redraw, init, gameMode);
11863 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11864 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11865 CleanupTail(); // [HGM] vari: delete any stored variations
11866 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11867 pausing = pauseExamInvalid = FALSE;
11868 startedFromSetupPosition = blackPlaysFirst = FALSE;
11870 whiteFlag = blackFlag = FALSE;
11871 userOfferedDraw = FALSE;
11872 hintRequested = bookRequested = FALSE;
11873 first.maybeThinking = FALSE;
11874 second.maybeThinking = FALSE;
11875 first.bookSuspend = FALSE; // [HGM] book
11876 second.bookSuspend = FALSE;
11877 thinkOutput[0] = NULLCHAR;
11878 lastHint[0] = NULLCHAR;
11879 ClearGameInfo(&gameInfo);
11880 gameInfo.variant = StringToVariant(appData.variant);
11881 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11882 ics_user_moved = ics_clock_paused = FALSE;
11883 ics_getting_history = H_FALSE;
11885 white_holding[0] = black_holding[0] = NULLCHAR;
11886 ClearProgramStats();
11887 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11891 flipView = appData.flipView;
11892 ClearPremoveHighlights();
11893 gotPremove = FALSE;
11894 alarmSounded = FALSE;
11895 killX = killY = -1; // [HGM] lion
11897 GameEnds(EndOfFile, NULL, GE_PLAYER);
11898 if(appData.serverMovesName != NULL) {
11899 /* [HGM] prepare to make moves file for broadcasting */
11900 clock_t t = clock();
11901 if(serverMoves != NULL) fclose(serverMoves);
11902 serverMoves = fopen(appData.serverMovesName, "r");
11903 if(serverMoves != NULL) {
11904 fclose(serverMoves);
11905 /* delay 15 sec before overwriting, so all clients can see end */
11906 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11908 serverMoves = fopen(appData.serverMovesName, "w");
11912 gameMode = BeginningOfGame;
11914 if(appData.icsActive) gameInfo.variant = VariantNormal;
11915 currentMove = forwardMostMove = backwardMostMove = 0;
11916 MarkTargetSquares(1);
11917 InitPosition(redraw);
11918 for (i = 0; i < MAX_MOVES; i++) {
11919 if (commentList[i] != NULL) {
11920 free(commentList[i]);
11921 commentList[i] = NULL;
11925 timeRemaining[0][0] = whiteTimeRemaining;
11926 timeRemaining[1][0] = blackTimeRemaining;
11928 if (first.pr == NoProc) {
11929 StartChessProgram(&first);
11932 InitChessProgram(&first, startedFromSetupPosition);
11935 DisplayMessage("", "");
11936 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11937 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11938 ClearMap(); // [HGM] exclude: invalidate map
11942 AutoPlayGameLoop ()
11945 if (!AutoPlayOneMove())
11947 if (matchMode || appData.timeDelay == 0)
11949 if (appData.timeDelay < 0)
11951 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11959 ReloadGame(1); // next game
11965 int fromX, fromY, toX, toY;
11967 if (appData.debugMode) {
11968 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11971 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11974 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11975 pvInfoList[currentMove].depth = programStats.depth;
11976 pvInfoList[currentMove].score = programStats.score;
11977 pvInfoList[currentMove].time = 0;
11978 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11979 else { // append analysis of final position as comment
11981 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11982 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11984 programStats.depth = 0;
11987 if (currentMove >= forwardMostMove) {
11988 if(gameMode == AnalyzeFile) {
11989 if(appData.loadGameIndex == -1) {
11990 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11991 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11993 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11996 // gameMode = EndOfGame;
11997 // ModeHighlight();
11999 /* [AS] Clear current move marker at the end of a game */
12000 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12005 toX = moveList[currentMove][2] - AAA;
12006 toY = moveList[currentMove][3] - ONE;
12008 if (moveList[currentMove][1] == '@') {
12009 if (appData.highlightLastMove) {
12010 SetHighlights(-1, -1, toX, toY);
12013 int viaX = moveList[currentMove][5] - AAA;
12014 int viaY = moveList[currentMove][6] - ONE;
12015 fromX = moveList[currentMove][0] - AAA;
12016 fromY = moveList[currentMove][1] - ONE;
12018 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12020 if(moveList[currentMove][4] == ';') { // multi-leg
12021 ChessSquare piece = boards[currentMove][viaY][viaX];
12022 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12023 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12024 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12025 boards[currentMove][viaY][viaX] = piece;
12027 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12029 if (appData.highlightLastMove) {
12030 SetHighlights(fromX, fromY, toX, toY);
12033 DisplayMove(currentMove);
12034 SendMoveToProgram(currentMove++, &first);
12035 DisplayBothClocks();
12036 DrawPosition(FALSE, boards[currentMove]);
12037 // [HGM] PV info: always display, routine tests if empty
12038 DisplayComment(currentMove - 1, commentList[currentMove]);
12044 LoadGameOneMove (ChessMove readAhead)
12046 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12047 char promoChar = NULLCHAR;
12048 ChessMove moveType;
12049 char move[MSG_SIZ];
12052 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12053 gameMode != AnalyzeMode && gameMode != Training) {
12058 yyboardindex = forwardMostMove;
12059 if (readAhead != EndOfFile) {
12060 moveType = readAhead;
12062 if (gameFileFP == NULL)
12064 moveType = (ChessMove) Myylex();
12068 switch (moveType) {
12070 if (appData.debugMode)
12071 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12074 /* append the comment but don't display it */
12075 AppendComment(currentMove, p, FALSE);
12078 case WhiteCapturesEnPassant:
12079 case BlackCapturesEnPassant:
12080 case WhitePromotion:
12081 case BlackPromotion:
12082 case WhiteNonPromotion:
12083 case BlackNonPromotion:
12086 case WhiteKingSideCastle:
12087 case WhiteQueenSideCastle:
12088 case BlackKingSideCastle:
12089 case BlackQueenSideCastle:
12090 case WhiteKingSideCastleWild:
12091 case WhiteQueenSideCastleWild:
12092 case BlackKingSideCastleWild:
12093 case BlackQueenSideCastleWild:
12095 case WhiteHSideCastleFR:
12096 case WhiteASideCastleFR:
12097 case BlackHSideCastleFR:
12098 case BlackASideCastleFR:
12100 if (appData.debugMode)
12101 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12102 fromX = currentMoveString[0] - AAA;
12103 fromY = currentMoveString[1] - ONE;
12104 toX = currentMoveString[2] - AAA;
12105 toY = currentMoveString[3] - ONE;
12106 promoChar = currentMoveString[4];
12107 if(promoChar == ';') promoChar = NULLCHAR;
12112 if (appData.debugMode)
12113 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12114 fromX = moveType == WhiteDrop ?
12115 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12116 (int) CharToPiece(ToLower(currentMoveString[0]));
12118 toX = currentMoveString[2] - AAA;
12119 toY = currentMoveString[3] - ONE;
12125 case GameUnfinished:
12126 if (appData.debugMode)
12127 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12128 p = strchr(yy_text, '{');
12129 if (p == NULL) p = strchr(yy_text, '(');
12132 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12134 q = strchr(p, *p == '{' ? '}' : ')');
12135 if (q != NULL) *q = NULLCHAR;
12138 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12139 GameEnds(moveType, p, GE_FILE);
12141 if (cmailMsgLoaded) {
12143 flipView = WhiteOnMove(currentMove);
12144 if (moveType == GameUnfinished) flipView = !flipView;
12145 if (appData.debugMode)
12146 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12151 if (appData.debugMode)
12152 fprintf(debugFP, "Parser hit end of file\n");
12153 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12159 if (WhiteOnMove(currentMove)) {
12160 GameEnds(BlackWins, "Black mates", GE_FILE);
12162 GameEnds(WhiteWins, "White mates", GE_FILE);
12166 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12172 case MoveNumberOne:
12173 if (lastLoadGameStart == GNUChessGame) {
12174 /* GNUChessGames have numbers, but they aren't move numbers */
12175 if (appData.debugMode)
12176 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12177 yy_text, (int) moveType);
12178 return LoadGameOneMove(EndOfFile); /* tail recursion */
12180 /* else fall thru */
12185 /* Reached start of next game in file */
12186 if (appData.debugMode)
12187 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12188 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12194 if (WhiteOnMove(currentMove)) {
12195 GameEnds(BlackWins, "Black mates", GE_FILE);
12197 GameEnds(WhiteWins, "White mates", GE_FILE);
12201 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12207 case PositionDiagram: /* should not happen; ignore */
12208 case ElapsedTime: /* ignore */
12209 case NAG: /* ignore */
12210 if (appData.debugMode)
12211 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12212 yy_text, (int) moveType);
12213 return LoadGameOneMove(EndOfFile); /* tail recursion */
12216 if (appData.testLegality) {
12217 if (appData.debugMode)
12218 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12219 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12220 (forwardMostMove / 2) + 1,
12221 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12222 DisplayError(move, 0);
12225 if (appData.debugMode)
12226 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12227 yy_text, currentMoveString);
12228 if(currentMoveString[1] == '@') {
12229 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12232 fromX = currentMoveString[0] - AAA;
12233 fromY = currentMoveString[1] - ONE;
12235 toX = currentMoveString[2] - AAA;
12236 toY = currentMoveString[3] - ONE;
12237 promoChar = currentMoveString[4];
12241 case AmbiguousMove:
12242 if (appData.debugMode)
12243 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12244 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12245 (forwardMostMove / 2) + 1,
12246 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12247 DisplayError(move, 0);
12252 case ImpossibleMove:
12253 if (appData.debugMode)
12254 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12255 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12256 (forwardMostMove / 2) + 1,
12257 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12258 DisplayError(move, 0);
12264 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12265 DrawPosition(FALSE, boards[currentMove]);
12266 DisplayBothClocks();
12267 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12268 DisplayComment(currentMove - 1, commentList[currentMove]);
12270 (void) StopLoadGameTimer();
12272 cmailOldMove = forwardMostMove;
12275 /* currentMoveString is set as a side-effect of yylex */
12277 thinkOutput[0] = NULLCHAR;
12278 MakeMove(fromX, fromY, toX, toY, promoChar);
12279 killX = killY = -1; // [HGM] lion: used up
12280 currentMove = forwardMostMove;
12285 /* Load the nth game from the given file */
12287 LoadGameFromFile (char *filename, int n, char *title, int useList)
12292 if (strcmp(filename, "-") == 0) {
12296 f = fopen(filename, "rb");
12298 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12299 DisplayError(buf, errno);
12303 if (fseek(f, 0, 0) == -1) {
12304 /* f is not seekable; probably a pipe */
12307 if (useList && n == 0) {
12308 int error = GameListBuild(f);
12310 DisplayError(_("Cannot build game list"), error);
12311 } else if (!ListEmpty(&gameList) &&
12312 ((ListGame *) gameList.tailPred)->number > 1) {
12313 GameListPopUp(f, title);
12320 return LoadGame(f, n, title, FALSE);
12325 MakeRegisteredMove ()
12327 int fromX, fromY, toX, toY;
12329 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12330 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12333 if (appData.debugMode)
12334 fprintf(debugFP, "Restoring %s for game %d\n",
12335 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12337 thinkOutput[0] = NULLCHAR;
12338 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12339 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12340 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12341 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12342 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12343 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12344 MakeMove(fromX, fromY, toX, toY, promoChar);
12345 ShowMove(fromX, fromY, toX, toY);
12347 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12354 if (WhiteOnMove(currentMove)) {
12355 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12357 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12362 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12369 if (WhiteOnMove(currentMove)) {
12370 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12372 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12377 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12388 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12390 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12394 if (gameNumber > nCmailGames) {
12395 DisplayError(_("No more games in this message"), 0);
12398 if (f == lastLoadGameFP) {
12399 int offset = gameNumber - lastLoadGameNumber;
12401 cmailMsg[0] = NULLCHAR;
12402 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12403 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12404 nCmailMovesRegistered--;
12406 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12407 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12408 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12411 if (! RegisterMove()) return FALSE;
12415 retVal = LoadGame(f, gameNumber, title, useList);
12417 /* Make move registered during previous look at this game, if any */
12418 MakeRegisteredMove();
12420 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12421 commentList[currentMove]
12422 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12423 DisplayComment(currentMove - 1, commentList[currentMove]);
12429 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12431 ReloadGame (int offset)
12433 int gameNumber = lastLoadGameNumber + offset;
12434 if (lastLoadGameFP == NULL) {
12435 DisplayError(_("No game has been loaded yet"), 0);
12438 if (gameNumber <= 0) {
12439 DisplayError(_("Can't back up any further"), 0);
12442 if (cmailMsgLoaded) {
12443 return CmailLoadGame(lastLoadGameFP, gameNumber,
12444 lastLoadGameTitle, lastLoadGameUseList);
12446 return LoadGame(lastLoadGameFP, gameNumber,
12447 lastLoadGameTitle, lastLoadGameUseList);
12451 int keys[EmptySquare+1];
12454 PositionMatches (Board b1, Board b2)
12457 switch(appData.searchMode) {
12458 case 1: return CompareWithRights(b1, b2);
12460 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12461 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12465 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12466 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12467 sum += keys[b1[r][f]] - keys[b2[r][f]];
12471 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12472 sum += keys[b1[r][f]] - keys[b2[r][f]];
12484 int pieceList[256], quickBoard[256];
12485 ChessSquare pieceType[256] = { EmptySquare };
12486 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12487 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12488 int soughtTotal, turn;
12489 Boolean epOK, flipSearch;
12492 unsigned char piece, to;
12495 #define DSIZE (250000)
12497 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12498 Move *moveDatabase = initialSpace;
12499 unsigned int movePtr, dataSize = DSIZE;
12502 MakePieceList (Board board, int *counts)
12504 int r, f, n=Q_PROMO, total=0;
12505 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12506 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12507 int sq = f + (r<<4);
12508 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12509 quickBoard[sq] = ++n;
12511 pieceType[n] = board[r][f];
12512 counts[board[r][f]]++;
12513 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12514 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12518 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12523 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12525 int sq = fromX + (fromY<<4);
12526 int piece = quickBoard[sq], rook;
12527 quickBoard[sq] = 0;
12528 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12529 if(piece == pieceList[1] && fromY == toY) {
12530 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12531 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12532 moveDatabase[movePtr++].piece = Q_WCASTL;
12533 quickBoard[sq] = piece;
12534 piece = quickBoard[from]; quickBoard[from] = 0;
12535 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12536 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12537 quickBoard[sq] = 0; // remove Rook
12538 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12539 moveDatabase[movePtr++].piece = Q_WCASTL;
12540 quickBoard[sq] = pieceList[1]; // put King
12542 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12545 if(piece == pieceList[2] && fromY == toY) {
12546 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12547 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12548 moveDatabase[movePtr++].piece = Q_BCASTL;
12549 quickBoard[sq] = piece;
12550 piece = quickBoard[from]; quickBoard[from] = 0;
12551 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12552 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12553 quickBoard[sq] = 0; // remove Rook
12554 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12555 moveDatabase[movePtr++].piece = Q_BCASTL;
12556 quickBoard[sq] = pieceList[2]; // put King
12558 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12561 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12562 quickBoard[(fromY<<4)+toX] = 0;
12563 moveDatabase[movePtr].piece = Q_EP;
12564 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12565 moveDatabase[movePtr].to = sq;
12567 if(promoPiece != pieceType[piece]) {
12568 moveDatabase[movePtr++].piece = Q_PROMO;
12569 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12571 moveDatabase[movePtr].piece = piece;
12572 quickBoard[sq] = piece;
12577 PackGame (Board board)
12579 Move *newSpace = NULL;
12580 moveDatabase[movePtr].piece = 0; // terminate previous game
12581 if(movePtr > dataSize) {
12582 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12583 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12584 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12587 Move *p = moveDatabase, *q = newSpace;
12588 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12589 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12590 moveDatabase = newSpace;
12591 } else { // calloc failed, we must be out of memory. Too bad...
12592 dataSize = 0; // prevent calloc events for all subsequent games
12593 return 0; // and signal this one isn't cached
12597 MakePieceList(board, counts);
12602 QuickCompare (Board board, int *minCounts, int *maxCounts)
12603 { // compare according to search mode
12605 switch(appData.searchMode)
12607 case 1: // exact position match
12608 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12609 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12610 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12613 case 2: // can have extra material on empty squares
12614 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12615 if(board[r][f] == EmptySquare) continue;
12616 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12619 case 3: // material with exact Pawn structure
12620 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12621 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12622 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12623 } // fall through to material comparison
12624 case 4: // exact material
12625 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12627 case 6: // material range with given imbalance
12628 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12629 // fall through to range comparison
12630 case 5: // material range
12631 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12637 QuickScan (Board board, Move *move)
12638 { // reconstruct game,and compare all positions in it
12639 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12641 int piece = move->piece;
12642 int to = move->to, from = pieceList[piece];
12643 if(found < 0) { // if already found just scan to game end for final piece count
12644 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12645 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12646 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12647 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12649 static int lastCounts[EmptySquare+1];
12651 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12652 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12653 } else stretch = 0;
12654 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12655 if(found >= 0 && !appData.minPieces) return found;
12657 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12658 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12659 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12660 piece = (++move)->piece;
12661 from = pieceList[piece];
12662 counts[pieceType[piece]]--;
12663 pieceType[piece] = (ChessSquare) move->to;
12664 counts[move->to]++;
12665 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12666 counts[pieceType[quickBoard[to]]]--;
12667 quickBoard[to] = 0; total--;
12670 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12671 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12672 from = pieceList[piece]; // so this must be King
12673 quickBoard[from] = 0;
12674 pieceList[piece] = to;
12675 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12676 quickBoard[from] = 0; // rook
12677 quickBoard[to] = piece;
12678 to = move->to; piece = move->piece;
12682 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12683 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12684 quickBoard[from] = 0;
12686 quickBoard[to] = piece;
12687 pieceList[piece] = to;
12697 flipSearch = FALSE;
12698 CopyBoard(soughtBoard, boards[currentMove]);
12699 soughtTotal = MakePieceList(soughtBoard, maxSought);
12700 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12701 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12702 CopyBoard(reverseBoard, boards[currentMove]);
12703 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12704 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12705 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12706 reverseBoard[r][f] = piece;
12708 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12709 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12710 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12711 || (boards[currentMove][CASTLING][2] == NoRights ||
12712 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12713 && (boards[currentMove][CASTLING][5] == NoRights ||
12714 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12717 CopyBoard(flipBoard, soughtBoard);
12718 CopyBoard(rotateBoard, reverseBoard);
12719 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12720 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12721 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12724 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12725 if(appData.searchMode >= 5) {
12726 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12727 MakePieceList(soughtBoard, minSought);
12728 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12730 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12731 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12734 GameInfo dummyInfo;
12735 static int creatingBook;
12738 GameContainsPosition (FILE *f, ListGame *lg)
12740 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12741 int fromX, fromY, toX, toY;
12743 static int initDone=FALSE;
12745 // weed out games based on numerical tag comparison
12746 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12747 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12748 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12749 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12751 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12754 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12755 else CopyBoard(boards[scratch], initialPosition); // default start position
12758 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12759 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12762 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12763 fseek(f, lg->offset, 0);
12766 yyboardindex = scratch;
12767 quickFlag = plyNr+1;
12772 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12778 if(plyNr) return -1; // after we have seen moves, this is for new game
12781 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12782 case ImpossibleMove:
12783 case WhiteWins: // game ends here with these four
12786 case GameUnfinished:
12790 if(appData.testLegality) return -1;
12791 case WhiteCapturesEnPassant:
12792 case BlackCapturesEnPassant:
12793 case WhitePromotion:
12794 case BlackPromotion:
12795 case WhiteNonPromotion:
12796 case BlackNonPromotion:
12799 case WhiteKingSideCastle:
12800 case WhiteQueenSideCastle:
12801 case BlackKingSideCastle:
12802 case BlackQueenSideCastle:
12803 case WhiteKingSideCastleWild:
12804 case WhiteQueenSideCastleWild:
12805 case BlackKingSideCastleWild:
12806 case BlackQueenSideCastleWild:
12807 case WhiteHSideCastleFR:
12808 case WhiteASideCastleFR:
12809 case BlackHSideCastleFR:
12810 case BlackASideCastleFR:
12811 fromX = currentMoveString[0] - AAA;
12812 fromY = currentMoveString[1] - ONE;
12813 toX = currentMoveString[2] - AAA;
12814 toY = currentMoveString[3] - ONE;
12815 promoChar = currentMoveString[4];
12819 fromX = next == WhiteDrop ?
12820 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12821 (int) CharToPiece(ToLower(currentMoveString[0]));
12823 toX = currentMoveString[2] - AAA;
12824 toY = currentMoveString[3] - ONE;
12828 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12830 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12831 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12832 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12833 if(appData.findMirror) {
12834 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12835 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12840 /* Load the nth game from open file f */
12842 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12846 int gn = gameNumber;
12847 ListGame *lg = NULL;
12848 int numPGNTags = 0;
12850 GameMode oldGameMode;
12851 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12852 char oldName[MSG_SIZ];
12854 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12856 if (appData.debugMode)
12857 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12859 if (gameMode == Training )
12860 SetTrainingModeOff();
12862 oldGameMode = gameMode;
12863 if (gameMode != BeginningOfGame) {
12864 Reset(FALSE, TRUE);
12866 killX = killY = -1; // [HGM] lion: in case we did not Reset
12869 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12870 fclose(lastLoadGameFP);
12874 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12877 fseek(f, lg->offset, 0);
12878 GameListHighlight(gameNumber);
12879 pos = lg->position;
12883 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12884 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12886 DisplayError(_("Game number out of range"), 0);
12891 if (fseek(f, 0, 0) == -1) {
12892 if (f == lastLoadGameFP ?
12893 gameNumber == lastLoadGameNumber + 1 :
12897 DisplayError(_("Can't seek on game file"), 0);
12902 lastLoadGameFP = f;
12903 lastLoadGameNumber = gameNumber;
12904 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12905 lastLoadGameUseList = useList;
12909 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12910 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12911 lg->gameInfo.black);
12913 } else if (*title != NULLCHAR) {
12914 if (gameNumber > 1) {
12915 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12918 DisplayTitle(title);
12922 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12923 gameMode = PlayFromGameFile;
12927 currentMove = forwardMostMove = backwardMostMove = 0;
12928 CopyBoard(boards[0], initialPosition);
12932 * Skip the first gn-1 games in the file.
12933 * Also skip over anything that precedes an identifiable
12934 * start of game marker, to avoid being confused by
12935 * garbage at the start of the file. Currently
12936 * recognized start of game markers are the move number "1",
12937 * the pattern "gnuchess .* game", the pattern
12938 * "^[#;%] [^ ]* game file", and a PGN tag block.
12939 * A game that starts with one of the latter two patterns
12940 * will also have a move number 1, possibly
12941 * following a position diagram.
12942 * 5-4-02: Let's try being more lenient and allowing a game to
12943 * start with an unnumbered move. Does that break anything?
12945 cm = lastLoadGameStart = EndOfFile;
12947 yyboardindex = forwardMostMove;
12948 cm = (ChessMove) Myylex();
12951 if (cmailMsgLoaded) {
12952 nCmailGames = CMAIL_MAX_GAMES - gn;
12955 DisplayError(_("Game not found in file"), 0);
12962 lastLoadGameStart = cm;
12965 case MoveNumberOne:
12966 switch (lastLoadGameStart) {
12971 case MoveNumberOne:
12973 gn--; /* count this game */
12974 lastLoadGameStart = cm;
12983 switch (lastLoadGameStart) {
12986 case MoveNumberOne:
12988 gn--; /* count this game */
12989 lastLoadGameStart = cm;
12992 lastLoadGameStart = cm; /* game counted already */
13000 yyboardindex = forwardMostMove;
13001 cm = (ChessMove) Myylex();
13002 } while (cm == PGNTag || cm == Comment);
13009 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13010 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13011 != CMAIL_OLD_RESULT) {
13013 cmailResult[ CMAIL_MAX_GAMES
13014 - gn - 1] = CMAIL_OLD_RESULT;
13021 /* Only a NormalMove can be at the start of a game
13022 * without a position diagram. */
13023 if (lastLoadGameStart == EndOfFile ) {
13025 lastLoadGameStart = MoveNumberOne;
13034 if (appData.debugMode)
13035 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13037 if (cm == XBoardGame) {
13038 /* Skip any header junk before position diagram and/or move 1 */
13040 yyboardindex = forwardMostMove;
13041 cm = (ChessMove) Myylex();
13043 if (cm == EndOfFile ||
13044 cm == GNUChessGame || cm == XBoardGame) {
13045 /* Empty game; pretend end-of-file and handle later */
13050 if (cm == MoveNumberOne || cm == PositionDiagram ||
13051 cm == PGNTag || cm == Comment)
13054 } else if (cm == GNUChessGame) {
13055 if (gameInfo.event != NULL) {
13056 free(gameInfo.event);
13058 gameInfo.event = StrSave(yy_text);
13061 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13062 while (cm == PGNTag) {
13063 if (appData.debugMode)
13064 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13065 err = ParsePGNTag(yy_text, &gameInfo);
13066 if (!err) numPGNTags++;
13068 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13069 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13070 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13071 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13072 InitPosition(TRUE);
13073 oldVariant = gameInfo.variant;
13074 if (appData.debugMode)
13075 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13079 if (gameInfo.fen != NULL) {
13080 Board initial_position;
13081 startedFromSetupPosition = TRUE;
13082 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13084 DisplayError(_("Bad FEN position in file"), 0);
13087 CopyBoard(boards[0], initial_position);
13088 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13089 CopyBoard(initialPosition, initial_position);
13090 if (blackPlaysFirst) {
13091 currentMove = forwardMostMove = backwardMostMove = 1;
13092 CopyBoard(boards[1], initial_position);
13093 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13094 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13095 timeRemaining[0][1] = whiteTimeRemaining;
13096 timeRemaining[1][1] = blackTimeRemaining;
13097 if (commentList[0] != NULL) {
13098 commentList[1] = commentList[0];
13099 commentList[0] = NULL;
13102 currentMove = forwardMostMove = backwardMostMove = 0;
13104 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13106 initialRulePlies = FENrulePlies;
13107 for( i=0; i< nrCastlingRights; i++ )
13108 initialRights[i] = initial_position[CASTLING][i];
13110 yyboardindex = forwardMostMove;
13111 free(gameInfo.fen);
13112 gameInfo.fen = NULL;
13115 yyboardindex = forwardMostMove;
13116 cm = (ChessMove) Myylex();
13118 /* Handle comments interspersed among the tags */
13119 while (cm == Comment) {
13121 if (appData.debugMode)
13122 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13124 AppendComment(currentMove, p, FALSE);
13125 yyboardindex = forwardMostMove;
13126 cm = (ChessMove) Myylex();
13130 /* don't rely on existence of Event tag since if game was
13131 * pasted from clipboard the Event tag may not exist
13133 if (numPGNTags > 0){
13135 if (gameInfo.variant == VariantNormal) {
13136 VariantClass v = StringToVariant(gameInfo.event);
13137 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13138 if(v < VariantShogi) gameInfo.variant = v;
13141 if( appData.autoDisplayTags ) {
13142 tags = PGNTags(&gameInfo);
13143 TagsPopUp(tags, CmailMsg());
13148 /* Make something up, but don't display it now */
13153 if (cm == PositionDiagram) {
13156 Board initial_position;
13158 if (appData.debugMode)
13159 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13161 if (!startedFromSetupPosition) {
13163 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13164 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13175 initial_position[i][j++] = CharToPiece(*p);
13178 while (*p == ' ' || *p == '\t' ||
13179 *p == '\n' || *p == '\r') p++;
13181 if (strncmp(p, "black", strlen("black"))==0)
13182 blackPlaysFirst = TRUE;
13184 blackPlaysFirst = FALSE;
13185 startedFromSetupPosition = TRUE;
13187 CopyBoard(boards[0], initial_position);
13188 if (blackPlaysFirst) {
13189 currentMove = forwardMostMove = backwardMostMove = 1;
13190 CopyBoard(boards[1], initial_position);
13191 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13192 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13193 timeRemaining[0][1] = whiteTimeRemaining;
13194 timeRemaining[1][1] = blackTimeRemaining;
13195 if (commentList[0] != NULL) {
13196 commentList[1] = commentList[0];
13197 commentList[0] = NULL;
13200 currentMove = forwardMostMove = backwardMostMove = 0;
13203 yyboardindex = forwardMostMove;
13204 cm = (ChessMove) Myylex();
13207 if(!creatingBook) {
13208 if (first.pr == NoProc) {
13209 StartChessProgram(&first);
13211 InitChessProgram(&first, FALSE);
13212 if(gameInfo.variant == VariantUnknown && *oldName) {
13213 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13214 gameInfo.variant = v;
13216 SendToProgram("force\n", &first);
13217 if (startedFromSetupPosition) {
13218 SendBoard(&first, forwardMostMove);
13219 if (appData.debugMode) {
13220 fprintf(debugFP, "Load Game\n");
13222 DisplayBothClocks();
13226 /* [HGM] server: flag to write setup moves in broadcast file as one */
13227 loadFlag = appData.suppressLoadMoves;
13229 while (cm == Comment) {
13231 if (appData.debugMode)
13232 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13234 AppendComment(currentMove, p, FALSE);
13235 yyboardindex = forwardMostMove;
13236 cm = (ChessMove) Myylex();
13239 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13240 cm == WhiteWins || cm == BlackWins ||
13241 cm == GameIsDrawn || cm == GameUnfinished) {
13242 DisplayMessage("", _("No moves in game"));
13243 if (cmailMsgLoaded) {
13244 if (appData.debugMode)
13245 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13249 DrawPosition(FALSE, boards[currentMove]);
13250 DisplayBothClocks();
13251 gameMode = EditGame;
13258 // [HGM] PV info: routine tests if comment empty
13259 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13260 DisplayComment(currentMove - 1, commentList[currentMove]);
13262 if (!matchMode && appData.timeDelay != 0)
13263 DrawPosition(FALSE, boards[currentMove]);
13265 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13266 programStats.ok_to_send = 1;
13269 /* if the first token after the PGN tags is a move
13270 * and not move number 1, retrieve it from the parser
13272 if (cm != MoveNumberOne)
13273 LoadGameOneMove(cm);
13275 /* load the remaining moves from the file */
13276 while (LoadGameOneMove(EndOfFile)) {
13277 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13278 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13281 /* rewind to the start of the game */
13282 currentMove = backwardMostMove;
13284 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13286 if (oldGameMode == AnalyzeFile) {
13287 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13288 AnalyzeFileEvent();
13290 if (oldGameMode == AnalyzeMode) {
13291 AnalyzeFileEvent();
13294 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13295 long int w, b; // [HGM] adjourn: restore saved clock times
13296 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13297 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13298 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13299 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13303 if(creatingBook) return TRUE;
13304 if (!matchMode && pos > 0) {
13305 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13307 if (matchMode || appData.timeDelay == 0) {
13309 } else if (appData.timeDelay > 0) {
13310 AutoPlayGameLoop();
13313 if (appData.debugMode)
13314 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13316 loadFlag = 0; /* [HGM] true game starts */
13320 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13322 ReloadPosition (int offset)
13324 int positionNumber = lastLoadPositionNumber + offset;
13325 if (lastLoadPositionFP == NULL) {
13326 DisplayError(_("No position has been loaded yet"), 0);
13329 if (positionNumber <= 0) {
13330 DisplayError(_("Can't back up any further"), 0);
13333 return LoadPosition(lastLoadPositionFP, positionNumber,
13334 lastLoadPositionTitle);
13337 /* Load the nth position from the given file */
13339 LoadPositionFromFile (char *filename, int n, char *title)
13344 if (strcmp(filename, "-") == 0) {
13345 return LoadPosition(stdin, n, "stdin");
13347 f = fopen(filename, "rb");
13349 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13350 DisplayError(buf, errno);
13353 return LoadPosition(f, n, title);
13358 /* Load the nth position from the given open file, and close it */
13360 LoadPosition (FILE *f, int positionNumber, char *title)
13362 char *p, line[MSG_SIZ];
13363 Board initial_position;
13364 int i, j, fenMode, pn;
13366 if (gameMode == Training )
13367 SetTrainingModeOff();
13369 if (gameMode != BeginningOfGame) {
13370 Reset(FALSE, TRUE);
13372 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13373 fclose(lastLoadPositionFP);
13375 if (positionNumber == 0) positionNumber = 1;
13376 lastLoadPositionFP = f;
13377 lastLoadPositionNumber = positionNumber;
13378 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13379 if (first.pr == NoProc && !appData.noChessProgram) {
13380 StartChessProgram(&first);
13381 InitChessProgram(&first, FALSE);
13383 pn = positionNumber;
13384 if (positionNumber < 0) {
13385 /* Negative position number means to seek to that byte offset */
13386 if (fseek(f, -positionNumber, 0) == -1) {
13387 DisplayError(_("Can't seek on position file"), 0);
13392 if (fseek(f, 0, 0) == -1) {
13393 if (f == lastLoadPositionFP ?
13394 positionNumber == lastLoadPositionNumber + 1 :
13395 positionNumber == 1) {
13398 DisplayError(_("Can't seek on position file"), 0);
13403 /* See if this file is FEN or old-style xboard */
13404 if (fgets(line, MSG_SIZ, f) == NULL) {
13405 DisplayError(_("Position not found in file"), 0);
13408 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13409 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13412 if (fenMode || line[0] == '#') pn--;
13414 /* skip positions before number pn */
13415 if (fgets(line, MSG_SIZ, f) == NULL) {
13417 DisplayError(_("Position not found in file"), 0);
13420 if (fenMode || line[0] == '#') pn--;
13426 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13427 DisplayError(_("Bad FEN position in file"), 0);
13430 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13431 sscanf(p+3, "%s", bestMove);
13432 } else *bestMove = NULLCHAR;
13434 (void) fgets(line, MSG_SIZ, f);
13435 (void) fgets(line, MSG_SIZ, f);
13437 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13438 (void) fgets(line, MSG_SIZ, f);
13439 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13442 initial_position[i][j++] = CharToPiece(*p);
13446 blackPlaysFirst = FALSE;
13448 (void) fgets(line, MSG_SIZ, f);
13449 if (strncmp(line, "black", strlen("black"))==0)
13450 blackPlaysFirst = TRUE;
13453 startedFromSetupPosition = TRUE;
13455 CopyBoard(boards[0], initial_position);
13456 if (blackPlaysFirst) {
13457 currentMove = forwardMostMove = backwardMostMove = 1;
13458 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13459 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13460 CopyBoard(boards[1], initial_position);
13461 DisplayMessage("", _("Black to play"));
13463 currentMove = forwardMostMove = backwardMostMove = 0;
13464 DisplayMessage("", _("White to play"));
13466 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13467 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13468 SendToProgram("force\n", &first);
13469 SendBoard(&first, forwardMostMove);
13471 if (appData.debugMode) {
13473 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13474 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13475 fprintf(debugFP, "Load Position\n");
13478 if (positionNumber > 1) {
13479 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13480 DisplayTitle(line);
13482 DisplayTitle(title);
13484 gameMode = EditGame;
13487 timeRemaining[0][1] = whiteTimeRemaining;
13488 timeRemaining[1][1] = blackTimeRemaining;
13489 DrawPosition(FALSE, boards[currentMove]);
13496 CopyPlayerNameIntoFileName (char **dest, char *src)
13498 while (*src != NULLCHAR && *src != ',') {
13503 *(*dest)++ = *src++;
13509 DefaultFileName (char *ext)
13511 static char def[MSG_SIZ];
13514 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13516 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13518 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13520 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13527 /* Save the current game to the given file */
13529 SaveGameToFile (char *filename, int append)
13533 int result, i, t,tot=0;
13535 if (strcmp(filename, "-") == 0) {
13536 return SaveGame(stdout, 0, NULL);
13538 for(i=0; i<10; i++) { // upto 10 tries
13539 f = fopen(filename, append ? "a" : "w");
13540 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13541 if(f || errno != 13) break;
13542 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13546 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13547 DisplayError(buf, errno);
13550 safeStrCpy(buf, lastMsg, MSG_SIZ);
13551 DisplayMessage(_("Waiting for access to save file"), "");
13552 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13553 DisplayMessage(_("Saving game"), "");
13554 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13555 result = SaveGame(f, 0, NULL);
13556 DisplayMessage(buf, "");
13563 SavePart (char *str)
13565 static char buf[MSG_SIZ];
13568 p = strchr(str, ' ');
13569 if (p == NULL) return str;
13570 strncpy(buf, str, p - str);
13571 buf[p - str] = NULLCHAR;
13575 #define PGN_MAX_LINE 75
13577 #define PGN_SIDE_WHITE 0
13578 #define PGN_SIDE_BLACK 1
13581 FindFirstMoveOutOfBook (int side)
13585 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13586 int index = backwardMostMove;
13587 int has_book_hit = 0;
13589 if( (index % 2) != side ) {
13593 while( index < forwardMostMove ) {
13594 /* Check to see if engine is in book */
13595 int depth = pvInfoList[index].depth;
13596 int score = pvInfoList[index].score;
13602 else if( score == 0 && depth == 63 ) {
13603 in_book = 1; /* Zappa */
13605 else if( score == 2 && depth == 99 ) {
13606 in_book = 1; /* Abrok */
13609 has_book_hit += in_book;
13625 GetOutOfBookInfo (char * buf)
13629 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13631 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13632 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13636 if( oob[0] >= 0 || oob[1] >= 0 ) {
13637 for( i=0; i<2; i++ ) {
13641 if( i > 0 && oob[0] >= 0 ) {
13642 strcat( buf, " " );
13645 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13646 sprintf( buf+strlen(buf), "%s%.2f",
13647 pvInfoList[idx].score >= 0 ? "+" : "",
13648 pvInfoList[idx].score / 100.0 );
13654 /* Save game in PGN style */
13656 SaveGamePGN2 (FILE *f)
13658 int i, offset, linelen, newblock;
13661 int movelen, numlen, blank;
13662 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13664 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13666 PrintPGNTags(f, &gameInfo);
13668 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13670 if (backwardMostMove > 0 || startedFromSetupPosition) {
13671 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13672 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13673 fprintf(f, "\n{--------------\n");
13674 PrintPosition(f, backwardMostMove);
13675 fprintf(f, "--------------}\n");
13679 /* [AS] Out of book annotation */
13680 if( appData.saveOutOfBookInfo ) {
13683 GetOutOfBookInfo( buf );
13685 if( buf[0] != '\0' ) {
13686 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13693 i = backwardMostMove;
13697 while (i < forwardMostMove) {
13698 /* Print comments preceding this move */
13699 if (commentList[i] != NULL) {
13700 if (linelen > 0) fprintf(f, "\n");
13701 fprintf(f, "%s", commentList[i]);
13706 /* Format move number */
13708 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13711 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13713 numtext[0] = NULLCHAR;
13715 numlen = strlen(numtext);
13718 /* Print move number */
13719 blank = linelen > 0 && numlen > 0;
13720 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13729 fprintf(f, "%s", numtext);
13733 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13734 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13737 blank = linelen > 0 && movelen > 0;
13738 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13747 fprintf(f, "%s", move_buffer);
13748 linelen += movelen;
13750 /* [AS] Add PV info if present */
13751 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13752 /* [HGM] add time */
13753 char buf[MSG_SIZ]; int seconds;
13755 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13761 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13764 seconds = (seconds + 4)/10; // round to full seconds
13766 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13768 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13771 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13772 pvInfoList[i].score >= 0 ? "+" : "",
13773 pvInfoList[i].score / 100.0,
13774 pvInfoList[i].depth,
13777 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13779 /* Print score/depth */
13780 blank = linelen > 0 && movelen > 0;
13781 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13790 fprintf(f, "%s", move_buffer);
13791 linelen += movelen;
13797 /* Start a new line */
13798 if (linelen > 0) fprintf(f, "\n");
13800 /* Print comments after last move */
13801 if (commentList[i] != NULL) {
13802 fprintf(f, "%s\n", commentList[i]);
13806 if (gameInfo.resultDetails != NULL &&
13807 gameInfo.resultDetails[0] != NULLCHAR) {
13808 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13809 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13810 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13811 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13812 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13814 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13818 /* Save game in PGN style and close the file */
13820 SaveGamePGN (FILE *f)
13824 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13828 /* Save game in old style and close the file */
13830 SaveGameOldStyle (FILE *f)
13835 tm = time((time_t *) NULL);
13837 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13840 if (backwardMostMove > 0 || startedFromSetupPosition) {
13841 fprintf(f, "\n[--------------\n");
13842 PrintPosition(f, backwardMostMove);
13843 fprintf(f, "--------------]\n");
13848 i = backwardMostMove;
13849 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13851 while (i < forwardMostMove) {
13852 if (commentList[i] != NULL) {
13853 fprintf(f, "[%s]\n", commentList[i]);
13856 if ((i % 2) == 1) {
13857 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13860 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13862 if (commentList[i] != NULL) {
13866 if (i >= forwardMostMove) {
13870 fprintf(f, "%s\n", parseList[i]);
13875 if (commentList[i] != NULL) {
13876 fprintf(f, "[%s]\n", commentList[i]);
13879 /* This isn't really the old style, but it's close enough */
13880 if (gameInfo.resultDetails != NULL &&
13881 gameInfo.resultDetails[0] != NULLCHAR) {
13882 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13883 gameInfo.resultDetails);
13885 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13892 /* Save the current game to open file f and close the file */
13894 SaveGame (FILE *f, int dummy, char *dummy2)
13896 if (gameMode == EditPosition) EditPositionDone(TRUE);
13897 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13898 if (appData.oldSaveStyle)
13899 return SaveGameOldStyle(f);
13901 return SaveGamePGN(f);
13904 /* Save the current position to the given file */
13906 SavePositionToFile (char *filename)
13911 if (strcmp(filename, "-") == 0) {
13912 return SavePosition(stdout, 0, NULL);
13914 f = fopen(filename, "a");
13916 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13917 DisplayError(buf, errno);
13920 safeStrCpy(buf, lastMsg, MSG_SIZ);
13921 DisplayMessage(_("Waiting for access to save file"), "");
13922 flock(fileno(f), LOCK_EX); // [HGM] lock
13923 DisplayMessage(_("Saving position"), "");
13924 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13925 SavePosition(f, 0, NULL);
13926 DisplayMessage(buf, "");
13932 /* Save the current position to the given open file and close the file */
13934 SavePosition (FILE *f, int dummy, char *dummy2)
13939 if (gameMode == EditPosition) EditPositionDone(TRUE);
13940 if (appData.oldSaveStyle) {
13941 tm = time((time_t *) NULL);
13943 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13945 fprintf(f, "[--------------\n");
13946 PrintPosition(f, currentMove);
13947 fprintf(f, "--------------]\n");
13949 fen = PositionToFEN(currentMove, NULL, 1);
13950 fprintf(f, "%s\n", fen);
13958 ReloadCmailMsgEvent (int unregister)
13961 static char *inFilename = NULL;
13962 static char *outFilename;
13964 struct stat inbuf, outbuf;
13967 /* Any registered moves are unregistered if unregister is set, */
13968 /* i.e. invoked by the signal handler */
13970 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13971 cmailMoveRegistered[i] = FALSE;
13972 if (cmailCommentList[i] != NULL) {
13973 free(cmailCommentList[i]);
13974 cmailCommentList[i] = NULL;
13977 nCmailMovesRegistered = 0;
13980 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13981 cmailResult[i] = CMAIL_NOT_RESULT;
13985 if (inFilename == NULL) {
13986 /* Because the filenames are static they only get malloced once */
13987 /* and they never get freed */
13988 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13989 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13991 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13992 sprintf(outFilename, "%s.out", appData.cmailGameName);
13995 status = stat(outFilename, &outbuf);
13997 cmailMailedMove = FALSE;
13999 status = stat(inFilename, &inbuf);
14000 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14003 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14004 counts the games, notes how each one terminated, etc.
14006 It would be nice to remove this kludge and instead gather all
14007 the information while building the game list. (And to keep it
14008 in the game list nodes instead of having a bunch of fixed-size
14009 parallel arrays.) Note this will require getting each game's
14010 termination from the PGN tags, as the game list builder does
14011 not process the game moves. --mann
14013 cmailMsgLoaded = TRUE;
14014 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14016 /* Load first game in the file or popup game menu */
14017 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14019 #endif /* !WIN32 */
14027 char string[MSG_SIZ];
14029 if ( cmailMailedMove
14030 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14031 return TRUE; /* Allow free viewing */
14034 /* Unregister move to ensure that we don't leave RegisterMove */
14035 /* with the move registered when the conditions for registering no */
14037 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14038 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14039 nCmailMovesRegistered --;
14041 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14043 free(cmailCommentList[lastLoadGameNumber - 1]);
14044 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14048 if (cmailOldMove == -1) {
14049 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14053 if (currentMove > cmailOldMove + 1) {
14054 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14058 if (currentMove < cmailOldMove) {
14059 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14063 if (forwardMostMove > currentMove) {
14064 /* Silently truncate extra moves */
14068 if ( (currentMove == cmailOldMove + 1)
14069 || ( (currentMove == cmailOldMove)
14070 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14071 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14072 if (gameInfo.result != GameUnfinished) {
14073 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14076 if (commentList[currentMove] != NULL) {
14077 cmailCommentList[lastLoadGameNumber - 1]
14078 = StrSave(commentList[currentMove]);
14080 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14082 if (appData.debugMode)
14083 fprintf(debugFP, "Saving %s for game %d\n",
14084 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14086 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14088 f = fopen(string, "w");
14089 if (appData.oldSaveStyle) {
14090 SaveGameOldStyle(f); /* also closes the file */
14092 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14093 f = fopen(string, "w");
14094 SavePosition(f, 0, NULL); /* also closes the file */
14096 fprintf(f, "{--------------\n");
14097 PrintPosition(f, currentMove);
14098 fprintf(f, "--------------}\n\n");
14100 SaveGame(f, 0, NULL); /* also closes the file*/
14103 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14104 nCmailMovesRegistered ++;
14105 } else if (nCmailGames == 1) {
14106 DisplayError(_("You have not made a move yet"), 0);
14117 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14118 FILE *commandOutput;
14119 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14120 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14126 if (! cmailMsgLoaded) {
14127 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14131 if (nCmailGames == nCmailResults) {
14132 DisplayError(_("No unfinished games"), 0);
14136 #if CMAIL_PROHIBIT_REMAIL
14137 if (cmailMailedMove) {
14138 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);
14139 DisplayError(msg, 0);
14144 if (! (cmailMailedMove || RegisterMove())) return;
14146 if ( cmailMailedMove
14147 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14148 snprintf(string, MSG_SIZ, partCommandString,
14149 appData.debugMode ? " -v" : "", appData.cmailGameName);
14150 commandOutput = popen(string, "r");
14152 if (commandOutput == NULL) {
14153 DisplayError(_("Failed to invoke cmail"), 0);
14155 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14156 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14158 if (nBuffers > 1) {
14159 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14160 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14161 nBytes = MSG_SIZ - 1;
14163 (void) memcpy(msg, buffer, nBytes);
14165 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14167 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14168 cmailMailedMove = TRUE; /* Prevent >1 moves */
14171 for (i = 0; i < nCmailGames; i ++) {
14172 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14177 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14179 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14181 appData.cmailGameName,
14183 LoadGameFromFile(buffer, 1, buffer, FALSE);
14184 cmailMsgLoaded = FALSE;
14188 DisplayInformation(msg);
14189 pclose(commandOutput);
14192 if ((*cmailMsg) != '\0') {
14193 DisplayInformation(cmailMsg);
14198 #endif /* !WIN32 */
14207 int prependComma = 0;
14209 char string[MSG_SIZ]; /* Space for game-list */
14212 if (!cmailMsgLoaded) return "";
14214 if (cmailMailedMove) {
14215 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14217 /* Create a list of games left */
14218 snprintf(string, MSG_SIZ, "[");
14219 for (i = 0; i < nCmailGames; i ++) {
14220 if (! ( cmailMoveRegistered[i]
14221 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14222 if (prependComma) {
14223 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14225 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14229 strcat(string, number);
14232 strcat(string, "]");
14234 if (nCmailMovesRegistered + nCmailResults == 0) {
14235 switch (nCmailGames) {
14237 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14241 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14245 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14250 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14252 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14257 if (nCmailResults == nCmailGames) {
14258 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14260 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14265 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14277 if (gameMode == Training)
14278 SetTrainingModeOff();
14281 cmailMsgLoaded = FALSE;
14282 if (appData.icsActive) {
14283 SendToICS(ics_prefix);
14284 SendToICS("refresh\n");
14289 ExitEvent (int status)
14293 /* Give up on clean exit */
14297 /* Keep trying for clean exit */
14301 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14302 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14304 if (telnetISR != NULL) {
14305 RemoveInputSource(telnetISR);
14307 if (icsPR != NoProc) {
14308 DestroyChildProcess(icsPR, TRUE);
14311 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14312 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14314 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14315 /* make sure this other one finishes before killing it! */
14316 if(endingGame) { int count = 0;
14317 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14318 while(endingGame && count++ < 10) DoSleep(1);
14319 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14322 /* Kill off chess programs */
14323 if (first.pr != NoProc) {
14326 DoSleep( appData.delayBeforeQuit );
14327 SendToProgram("quit\n", &first);
14328 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14330 if (second.pr != NoProc) {
14331 DoSleep( appData.delayBeforeQuit );
14332 SendToProgram("quit\n", &second);
14333 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14335 if (first.isr != NULL) {
14336 RemoveInputSource(first.isr);
14338 if (second.isr != NULL) {
14339 RemoveInputSource(second.isr);
14342 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14343 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14345 ShutDownFrontEnd();
14350 PauseEngine (ChessProgramState *cps)
14352 SendToProgram("pause\n", cps);
14357 UnPauseEngine (ChessProgramState *cps)
14359 SendToProgram("resume\n", cps);
14366 if (appData.debugMode)
14367 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14371 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14373 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14374 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14375 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14377 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14378 HandleMachineMove(stashedInputMove, stalledEngine);
14379 stalledEngine = NULL;
14382 if (gameMode == MachinePlaysWhite ||
14383 gameMode == TwoMachinesPlay ||
14384 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14385 if(first.pause) UnPauseEngine(&first);
14386 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14387 if(second.pause) UnPauseEngine(&second);
14388 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14391 DisplayBothClocks();
14393 if (gameMode == PlayFromGameFile) {
14394 if (appData.timeDelay >= 0)
14395 AutoPlayGameLoop();
14396 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14397 Reset(FALSE, TRUE);
14398 SendToICS(ics_prefix);
14399 SendToICS("refresh\n");
14400 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14401 ForwardInner(forwardMostMove);
14403 pauseExamInvalid = FALSE;
14405 switch (gameMode) {
14409 pauseExamForwardMostMove = forwardMostMove;
14410 pauseExamInvalid = FALSE;
14413 case IcsPlayingWhite:
14414 case IcsPlayingBlack:
14418 case PlayFromGameFile:
14419 (void) StopLoadGameTimer();
14423 case BeginningOfGame:
14424 if (appData.icsActive) return;
14425 /* else fall through */
14426 case MachinePlaysWhite:
14427 case MachinePlaysBlack:
14428 case TwoMachinesPlay:
14429 if (forwardMostMove == 0)
14430 return; /* don't pause if no one has moved */
14431 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14432 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14433 if(onMove->pause) { // thinking engine can be paused
14434 PauseEngine(onMove); // do it
14435 if(onMove->other->pause) // pondering opponent can always be paused immediately
14436 PauseEngine(onMove->other);
14438 SendToProgram("easy\n", onMove->other);
14440 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14441 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14443 PauseEngine(&first);
14445 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14446 } else { // human on move, pause pondering by either method
14448 PauseEngine(&first);
14449 else if(appData.ponderNextMove)
14450 SendToProgram("easy\n", &first);
14453 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14463 EditCommentEvent ()
14465 char title[MSG_SIZ];
14467 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14468 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14470 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14471 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14472 parseList[currentMove - 1]);
14475 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14482 char *tags = PGNTags(&gameInfo);
14484 EditTagsPopUp(tags, NULL);
14491 if(second.analyzing) {
14492 SendToProgram("exit\n", &second);
14493 second.analyzing = FALSE;
14495 if (second.pr == NoProc) StartChessProgram(&second);
14496 InitChessProgram(&second, FALSE);
14497 FeedMovesToProgram(&second, currentMove);
14499 SendToProgram("analyze\n", &second);
14500 second.analyzing = TRUE;
14504 /* Toggle ShowThinking */
14506 ToggleShowThinking()
14508 appData.showThinking = !appData.showThinking;
14509 ShowThinkingEvent();
14513 AnalyzeModeEvent ()
14517 if (!first.analysisSupport) {
14518 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14519 DisplayError(buf, 0);
14522 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14523 if (appData.icsActive) {
14524 if (gameMode != IcsObserving) {
14525 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14526 DisplayError(buf, 0);
14528 if (appData.icsEngineAnalyze) {
14529 if (appData.debugMode)
14530 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14536 /* if enable, user wants to disable icsEngineAnalyze */
14537 if (appData.icsEngineAnalyze) {
14542 appData.icsEngineAnalyze = TRUE;
14543 if (appData.debugMode)
14544 fprintf(debugFP, "ICS engine analyze starting... \n");
14547 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14548 if (appData.noChessProgram || gameMode == AnalyzeMode)
14551 if (gameMode != AnalyzeFile) {
14552 if (!appData.icsEngineAnalyze) {
14554 if (gameMode != EditGame) return 0;
14556 if (!appData.showThinking) ToggleShowThinking();
14557 ResurrectChessProgram();
14558 SendToProgram("analyze\n", &first);
14559 first.analyzing = TRUE;
14560 /*first.maybeThinking = TRUE;*/
14561 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14562 EngineOutputPopUp();
14564 if (!appData.icsEngineAnalyze) {
14565 gameMode = AnalyzeMode;
14566 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14572 StartAnalysisClock();
14573 GetTimeMark(&lastNodeCountTime);
14579 AnalyzeFileEvent ()
14581 if (appData.noChessProgram || gameMode == AnalyzeFile)
14584 if (!first.analysisSupport) {
14586 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14587 DisplayError(buf, 0);
14591 if (gameMode != AnalyzeMode) {
14592 keepInfo = 1; // mere annotating should not alter PGN tags
14595 if (gameMode != EditGame) return;
14596 if (!appData.showThinking) ToggleShowThinking();
14597 ResurrectChessProgram();
14598 SendToProgram("analyze\n", &first);
14599 first.analyzing = TRUE;
14600 /*first.maybeThinking = TRUE;*/
14601 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14602 EngineOutputPopUp();
14604 gameMode = AnalyzeFile;
14608 StartAnalysisClock();
14609 GetTimeMark(&lastNodeCountTime);
14611 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14612 AnalysisPeriodicEvent(1);
14616 MachineWhiteEvent ()
14619 char *bookHit = NULL;
14621 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14625 if (gameMode == PlayFromGameFile ||
14626 gameMode == TwoMachinesPlay ||
14627 gameMode == Training ||
14628 gameMode == AnalyzeMode ||
14629 gameMode == EndOfGame)
14632 if (gameMode == EditPosition)
14633 EditPositionDone(TRUE);
14635 if (!WhiteOnMove(currentMove)) {
14636 DisplayError(_("It is not White's turn"), 0);
14640 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14643 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14644 gameMode == AnalyzeFile)
14647 ResurrectChessProgram(); /* in case it isn't running */
14648 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14649 gameMode = MachinePlaysWhite;
14652 gameMode = MachinePlaysWhite;
14656 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14658 if (first.sendName) {
14659 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14660 SendToProgram(buf, &first);
14662 if (first.sendTime) {
14663 if (first.useColors) {
14664 SendToProgram("black\n", &first); /*gnu kludge*/
14666 SendTimeRemaining(&first, TRUE);
14668 if (first.useColors) {
14669 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14671 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14672 SetMachineThinkingEnables();
14673 first.maybeThinking = TRUE;
14677 if (appData.autoFlipView && !flipView) {
14678 flipView = !flipView;
14679 DrawPosition(FALSE, NULL);
14680 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14683 if(bookHit) { // [HGM] book: simulate book reply
14684 static char bookMove[MSG_SIZ]; // a bit generous?
14686 programStats.nodes = programStats.depth = programStats.time =
14687 programStats.score = programStats.got_only_move = 0;
14688 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14690 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14691 strcat(bookMove, bookHit);
14692 HandleMachineMove(bookMove, &first);
14697 MachineBlackEvent ()
14700 char *bookHit = NULL;
14702 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14706 if (gameMode == PlayFromGameFile ||
14707 gameMode == TwoMachinesPlay ||
14708 gameMode == Training ||
14709 gameMode == AnalyzeMode ||
14710 gameMode == EndOfGame)
14713 if (gameMode == EditPosition)
14714 EditPositionDone(TRUE);
14716 if (WhiteOnMove(currentMove)) {
14717 DisplayError(_("It is not Black's turn"), 0);
14721 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14724 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14725 gameMode == AnalyzeFile)
14728 ResurrectChessProgram(); /* in case it isn't running */
14729 gameMode = MachinePlaysBlack;
14733 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14735 if (first.sendName) {
14736 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14737 SendToProgram(buf, &first);
14739 if (first.sendTime) {
14740 if (first.useColors) {
14741 SendToProgram("white\n", &first); /*gnu kludge*/
14743 SendTimeRemaining(&first, FALSE);
14745 if (first.useColors) {
14746 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14748 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14749 SetMachineThinkingEnables();
14750 first.maybeThinking = TRUE;
14753 if (appData.autoFlipView && flipView) {
14754 flipView = !flipView;
14755 DrawPosition(FALSE, NULL);
14756 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14758 if(bookHit) { // [HGM] book: simulate book reply
14759 static char bookMove[MSG_SIZ]; // a bit generous?
14761 programStats.nodes = programStats.depth = programStats.time =
14762 programStats.score = programStats.got_only_move = 0;
14763 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14765 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14766 strcat(bookMove, bookHit);
14767 HandleMachineMove(bookMove, &first);
14773 DisplayTwoMachinesTitle ()
14776 if (appData.matchGames > 0) {
14777 if(appData.tourneyFile[0]) {
14778 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14779 gameInfo.white, _("vs."), gameInfo.black,
14780 nextGame+1, appData.matchGames+1,
14781 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14783 if (first.twoMachinesColor[0] == 'w') {
14784 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14785 gameInfo.white, _("vs."), gameInfo.black,
14786 first.matchWins, second.matchWins,
14787 matchGame - 1 - (first.matchWins + second.matchWins));
14789 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14790 gameInfo.white, _("vs."), gameInfo.black,
14791 second.matchWins, first.matchWins,
14792 matchGame - 1 - (first.matchWins + second.matchWins));
14795 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14801 SettingsMenuIfReady ()
14803 if (second.lastPing != second.lastPong) {
14804 DisplayMessage("", _("Waiting for second chess program"));
14805 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14809 DisplayMessage("", "");
14810 SettingsPopUp(&second);
14814 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14817 if (cps->pr == NoProc) {
14818 StartChessProgram(cps);
14819 if (cps->protocolVersion == 1) {
14821 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14823 /* kludge: allow timeout for initial "feature" command */
14824 if(retry != TwoMachinesEventIfReady) FreezeUI();
14825 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14826 DisplayMessage("", buf);
14827 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14835 TwoMachinesEvent P((void))
14839 ChessProgramState *onmove;
14840 char *bookHit = NULL;
14841 static int stalling = 0;
14845 if (appData.noChessProgram) return;
14847 switch (gameMode) {
14848 case TwoMachinesPlay:
14850 case MachinePlaysWhite:
14851 case MachinePlaysBlack:
14852 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14853 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14857 case BeginningOfGame:
14858 case PlayFromGameFile:
14861 if (gameMode != EditGame) return;
14864 EditPositionDone(TRUE);
14875 // forwardMostMove = currentMove;
14876 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14877 startingEngine = TRUE;
14879 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14881 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14882 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14883 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14886 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14888 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14889 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14890 startingEngine = matchMode = FALSE;
14891 DisplayError("second engine does not play this", 0);
14892 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14893 EditGameEvent(); // switch back to EditGame mode
14898 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14899 SendToProgram("force\n", &second);
14901 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14904 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14905 if(appData.matchPause>10000 || appData.matchPause<10)
14906 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14907 wait = SubtractTimeMarks(&now, &pauseStart);
14908 if(wait < appData.matchPause) {
14909 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14912 // we are now committed to starting the game
14914 DisplayMessage("", "");
14915 if (startedFromSetupPosition) {
14916 SendBoard(&second, backwardMostMove);
14917 if (appData.debugMode) {
14918 fprintf(debugFP, "Two Machines\n");
14921 for (i = backwardMostMove; i < forwardMostMove; i++) {
14922 SendMoveToProgram(i, &second);
14925 gameMode = TwoMachinesPlay;
14926 pausing = startingEngine = FALSE;
14927 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14929 DisplayTwoMachinesTitle();
14931 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14936 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14937 SendToProgram(first.computerString, &first);
14938 if (first.sendName) {
14939 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14940 SendToProgram(buf, &first);
14942 SendToProgram(second.computerString, &second);
14943 if (second.sendName) {
14944 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14945 SendToProgram(buf, &second);
14949 if (!first.sendTime || !second.sendTime) {
14950 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14951 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14953 if (onmove->sendTime) {
14954 if (onmove->useColors) {
14955 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14957 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14959 if (onmove->useColors) {
14960 SendToProgram(onmove->twoMachinesColor, onmove);
14962 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14963 // SendToProgram("go\n", onmove);
14964 onmove->maybeThinking = TRUE;
14965 SetMachineThinkingEnables();
14969 if(bookHit) { // [HGM] book: simulate book reply
14970 static char bookMove[MSG_SIZ]; // a bit generous?
14972 programStats.nodes = programStats.depth = programStats.time =
14973 programStats.score = programStats.got_only_move = 0;
14974 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14976 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14977 strcat(bookMove, bookHit);
14978 savedMessage = bookMove; // args for deferred call
14979 savedState = onmove;
14980 ScheduleDelayedEvent(DeferredBookMove, 1);
14987 if (gameMode == Training) {
14988 SetTrainingModeOff();
14989 gameMode = PlayFromGameFile;
14990 DisplayMessage("", _("Training mode off"));
14992 gameMode = Training;
14993 animateTraining = appData.animate;
14995 /* make sure we are not already at the end of the game */
14996 if (currentMove < forwardMostMove) {
14997 SetTrainingModeOn();
14998 DisplayMessage("", _("Training mode on"));
15000 gameMode = PlayFromGameFile;
15001 DisplayError(_("Already at end of game"), 0);
15010 if (!appData.icsActive) return;
15011 switch (gameMode) {
15012 case IcsPlayingWhite:
15013 case IcsPlayingBlack:
15016 case BeginningOfGame:
15024 EditPositionDone(TRUE);
15037 gameMode = IcsIdle;
15047 switch (gameMode) {
15049 SetTrainingModeOff();
15051 case MachinePlaysWhite:
15052 case MachinePlaysBlack:
15053 case BeginningOfGame:
15054 SendToProgram("force\n", &first);
15055 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15056 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15058 abortEngineThink = TRUE;
15059 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15060 SendToProgram(buf, &first);
15061 DisplayMessage("Aborting engine think", "");
15065 SetUserThinkingEnables();
15067 case PlayFromGameFile:
15068 (void) StopLoadGameTimer();
15069 if (gameFileFP != NULL) {
15074 EditPositionDone(TRUE);
15079 SendToProgram("force\n", &first);
15081 case TwoMachinesPlay:
15082 GameEnds(EndOfFile, NULL, GE_PLAYER);
15083 ResurrectChessProgram();
15084 SetUserThinkingEnables();
15087 ResurrectChessProgram();
15089 case IcsPlayingBlack:
15090 case IcsPlayingWhite:
15091 DisplayError(_("Warning: You are still playing a game"), 0);
15094 DisplayError(_("Warning: You are still observing a game"), 0);
15097 DisplayError(_("Warning: You are still examining a game"), 0);
15108 first.offeredDraw = second.offeredDraw = 0;
15110 if (gameMode == PlayFromGameFile) {
15111 whiteTimeRemaining = timeRemaining[0][currentMove];
15112 blackTimeRemaining = timeRemaining[1][currentMove];
15116 if (gameMode == MachinePlaysWhite ||
15117 gameMode == MachinePlaysBlack ||
15118 gameMode == TwoMachinesPlay ||
15119 gameMode == EndOfGame) {
15120 i = forwardMostMove;
15121 while (i > currentMove) {
15122 SendToProgram("undo\n", &first);
15125 if(!adjustedClock) {
15126 whiteTimeRemaining = timeRemaining[0][currentMove];
15127 blackTimeRemaining = timeRemaining[1][currentMove];
15128 DisplayBothClocks();
15130 if (whiteFlag || blackFlag) {
15131 whiteFlag = blackFlag = 0;
15136 gameMode = EditGame;
15143 EditPositionEvent ()
15145 if (gameMode == EditPosition) {
15151 if (gameMode != EditGame) return;
15153 gameMode = EditPosition;
15156 if (currentMove > 0)
15157 CopyBoard(boards[0], boards[currentMove]);
15159 blackPlaysFirst = !WhiteOnMove(currentMove);
15161 currentMove = forwardMostMove = backwardMostMove = 0;
15162 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15164 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15170 /* [DM] icsEngineAnalyze - possible call from other functions */
15171 if (appData.icsEngineAnalyze) {
15172 appData.icsEngineAnalyze = FALSE;
15174 DisplayMessage("",_("Close ICS engine analyze..."));
15176 if (first.analysisSupport && first.analyzing) {
15177 SendToBoth("exit\n");
15178 first.analyzing = second.analyzing = FALSE;
15180 thinkOutput[0] = NULLCHAR;
15184 EditPositionDone (Boolean fakeRights)
15186 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15188 startedFromSetupPosition = TRUE;
15189 InitChessProgram(&first, FALSE);
15190 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15191 boards[0][EP_STATUS] = EP_NONE;
15192 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15193 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15194 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15195 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15196 } else boards[0][CASTLING][2] = NoRights;
15197 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15198 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15199 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15200 } else boards[0][CASTLING][5] = NoRights;
15201 if(gameInfo.variant == VariantSChess) {
15203 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15204 boards[0][VIRGIN][i] = 0;
15205 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15206 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15210 SendToProgram("force\n", &first);
15211 if (blackPlaysFirst) {
15212 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15213 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15214 currentMove = forwardMostMove = backwardMostMove = 1;
15215 CopyBoard(boards[1], boards[0]);
15217 currentMove = forwardMostMove = backwardMostMove = 0;
15219 SendBoard(&first, forwardMostMove);
15220 if (appData.debugMode) {
15221 fprintf(debugFP, "EditPosDone\n");
15224 DisplayMessage("", "");
15225 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15226 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15227 gameMode = EditGame;
15229 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15230 ClearHighlights(); /* [AS] */
15233 /* Pause for `ms' milliseconds */
15234 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15236 TimeDelay (long ms)
15243 } while (SubtractTimeMarks(&m2, &m1) < ms);
15246 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15248 SendMultiLineToICS (char *buf)
15250 char temp[MSG_SIZ+1], *p;
15257 strncpy(temp, buf, len);
15262 if (*p == '\n' || *p == '\r')
15267 strcat(temp, "\n");
15269 SendToPlayer(temp, strlen(temp));
15273 SetWhiteToPlayEvent ()
15275 if (gameMode == EditPosition) {
15276 blackPlaysFirst = FALSE;
15277 DisplayBothClocks(); /* works because currentMove is 0 */
15278 } else if (gameMode == IcsExamining) {
15279 SendToICS(ics_prefix);
15280 SendToICS("tomove white\n");
15285 SetBlackToPlayEvent ()
15287 if (gameMode == EditPosition) {
15288 blackPlaysFirst = TRUE;
15289 currentMove = 1; /* kludge */
15290 DisplayBothClocks();
15292 } else if (gameMode == IcsExamining) {
15293 SendToICS(ics_prefix);
15294 SendToICS("tomove black\n");
15299 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15302 ChessSquare piece = boards[0][y][x];
15303 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15304 static int lastVariant;
15306 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15308 switch (selection) {
15310 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15311 MarkTargetSquares(1);
15312 CopyBoard(currentBoard, boards[0]);
15313 CopyBoard(menuBoard, initialPosition);
15314 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15315 SendToICS(ics_prefix);
15316 SendToICS("bsetup clear\n");
15317 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15318 SendToICS(ics_prefix);
15319 SendToICS("clearboard\n");
15322 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15323 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15324 for (y = 0; y < BOARD_HEIGHT; y++) {
15325 if (gameMode == IcsExamining) {
15326 if (boards[currentMove][y][x] != EmptySquare) {
15327 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15331 } else if(boards[0][y][x] != DarkSquare) {
15332 if(boards[0][y][x] != p) nonEmpty++;
15333 boards[0][y][x] = p;
15337 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15339 for(r = 0; r < BOARD_HEIGHT; r++) {
15340 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15341 ChessSquare p = menuBoard[r][x];
15342 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15345 DisplayMessage("Clicking clock again restores position", "");
15346 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15347 if(!nonEmpty) { // asked to clear an empty board
15348 CopyBoard(boards[0], menuBoard);
15350 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15351 CopyBoard(boards[0], initialPosition);
15353 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15354 && !CompareBoards(nullBoard, erasedBoard)) {
15355 CopyBoard(boards[0], erasedBoard);
15357 CopyBoard(erasedBoard, currentBoard);
15361 if (gameMode == EditPosition) {
15362 DrawPosition(FALSE, boards[0]);
15367 SetWhiteToPlayEvent();
15371 SetBlackToPlayEvent();
15375 if (gameMode == IcsExamining) {
15376 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15377 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15380 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15381 if(x == BOARD_LEFT-2) {
15382 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15383 boards[0][y][1] = 0;
15385 if(x == BOARD_RGHT+1) {
15386 if(y >= gameInfo.holdingsSize) break;
15387 boards[0][y][BOARD_WIDTH-2] = 0;
15390 boards[0][y][x] = EmptySquare;
15391 DrawPosition(FALSE, boards[0]);
15396 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15397 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15398 selection = (ChessSquare) (PROMOTED(piece));
15399 } else if(piece == EmptySquare) selection = WhiteSilver;
15400 else selection = (ChessSquare)((int)piece - 1);
15404 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15405 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15406 selection = (ChessSquare) (DEMOTED(piece));
15407 } else if(piece == EmptySquare) selection = BlackSilver;
15408 else selection = (ChessSquare)((int)piece + 1);
15413 if(gameInfo.variant == VariantShatranj ||
15414 gameInfo.variant == VariantXiangqi ||
15415 gameInfo.variant == VariantCourier ||
15416 gameInfo.variant == VariantASEAN ||
15417 gameInfo.variant == VariantMakruk )
15418 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15423 if(gameInfo.variant == VariantXiangqi)
15424 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15425 if(gameInfo.variant == VariantKnightmate)
15426 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15429 if (gameMode == IcsExamining) {
15430 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15431 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15432 PieceToChar(selection), AAA + x, ONE + y);
15435 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15437 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15438 n = PieceToNumber(selection - BlackPawn);
15439 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15440 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15441 boards[0][BOARD_HEIGHT-1-n][1]++;
15443 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15444 n = PieceToNumber(selection);
15445 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15446 boards[0][n][BOARD_WIDTH-1] = selection;
15447 boards[0][n][BOARD_WIDTH-2]++;
15450 boards[0][y][x] = selection;
15451 DrawPosition(TRUE, boards[0]);
15453 fromX = fromY = -1;
15461 DropMenuEvent (ChessSquare selection, int x, int y)
15463 ChessMove moveType;
15465 switch (gameMode) {
15466 case IcsPlayingWhite:
15467 case MachinePlaysBlack:
15468 if (!WhiteOnMove(currentMove)) {
15469 DisplayMoveError(_("It is Black's turn"));
15472 moveType = WhiteDrop;
15474 case IcsPlayingBlack:
15475 case MachinePlaysWhite:
15476 if (WhiteOnMove(currentMove)) {
15477 DisplayMoveError(_("It is White's turn"));
15480 moveType = BlackDrop;
15483 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15489 if (moveType == BlackDrop && selection < BlackPawn) {
15490 selection = (ChessSquare) ((int) selection
15491 + (int) BlackPawn - (int) WhitePawn);
15493 if (boards[currentMove][y][x] != EmptySquare) {
15494 DisplayMoveError(_("That square is occupied"));
15498 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15504 /* Accept a pending offer of any kind from opponent */
15506 if (appData.icsActive) {
15507 SendToICS(ics_prefix);
15508 SendToICS("accept\n");
15509 } else if (cmailMsgLoaded) {
15510 if (currentMove == cmailOldMove &&
15511 commentList[cmailOldMove] != NULL &&
15512 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15513 "Black offers a draw" : "White offers a draw")) {
15515 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15516 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15518 DisplayError(_("There is no pending offer on this move"), 0);
15519 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15522 /* Not used for offers from chess program */
15529 /* Decline a pending offer of any kind from opponent */
15531 if (appData.icsActive) {
15532 SendToICS(ics_prefix);
15533 SendToICS("decline\n");
15534 } else if (cmailMsgLoaded) {
15535 if (currentMove == cmailOldMove &&
15536 commentList[cmailOldMove] != NULL &&
15537 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15538 "Black offers a draw" : "White offers a draw")) {
15540 AppendComment(cmailOldMove, "Draw declined", TRUE);
15541 DisplayComment(cmailOldMove - 1, "Draw declined");
15544 DisplayError(_("There is no pending offer on this move"), 0);
15547 /* Not used for offers from chess program */
15554 /* Issue ICS rematch command */
15555 if (appData.icsActive) {
15556 SendToICS(ics_prefix);
15557 SendToICS("rematch\n");
15564 /* Call your opponent's flag (claim a win on time) */
15565 if (appData.icsActive) {
15566 SendToICS(ics_prefix);
15567 SendToICS("flag\n");
15569 switch (gameMode) {
15572 case MachinePlaysWhite:
15575 GameEnds(GameIsDrawn, "Both players ran out of time",
15578 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15580 DisplayError(_("Your opponent is not out of time"), 0);
15583 case MachinePlaysBlack:
15586 GameEnds(GameIsDrawn, "Both players ran out of time",
15589 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15591 DisplayError(_("Your opponent is not out of time"), 0);
15599 ClockClick (int which)
15600 { // [HGM] code moved to back-end from winboard.c
15601 if(which) { // black clock
15602 if (gameMode == EditPosition || gameMode == IcsExamining) {
15603 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15604 SetBlackToPlayEvent();
15605 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15606 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15607 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15608 } else if (shiftKey) {
15609 AdjustClock(which, -1);
15610 } else if (gameMode == IcsPlayingWhite ||
15611 gameMode == MachinePlaysBlack) {
15614 } else { // white clock
15615 if (gameMode == EditPosition || gameMode == IcsExamining) {
15616 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15617 SetWhiteToPlayEvent();
15618 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15619 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15620 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15621 } else if (shiftKey) {
15622 AdjustClock(which, -1);
15623 } else if (gameMode == IcsPlayingBlack ||
15624 gameMode == MachinePlaysWhite) {
15633 /* Offer draw or accept pending draw offer from opponent */
15635 if (appData.icsActive) {
15636 /* Note: tournament rules require draw offers to be
15637 made after you make your move but before you punch
15638 your clock. Currently ICS doesn't let you do that;
15639 instead, you immediately punch your clock after making
15640 a move, but you can offer a draw at any time. */
15642 SendToICS(ics_prefix);
15643 SendToICS("draw\n");
15644 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15645 } else if (cmailMsgLoaded) {
15646 if (currentMove == cmailOldMove &&
15647 commentList[cmailOldMove] != NULL &&
15648 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15649 "Black offers a draw" : "White offers a draw")) {
15650 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15651 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15652 } else if (currentMove == cmailOldMove + 1) {
15653 char *offer = WhiteOnMove(cmailOldMove) ?
15654 "White offers a draw" : "Black offers a draw";
15655 AppendComment(currentMove, offer, TRUE);
15656 DisplayComment(currentMove - 1, offer);
15657 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15659 DisplayError(_("You must make your move before offering a draw"), 0);
15660 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15662 } else if (first.offeredDraw) {
15663 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15665 if (first.sendDrawOffers) {
15666 SendToProgram("draw\n", &first);
15667 userOfferedDraw = TRUE;
15675 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15677 if (appData.icsActive) {
15678 SendToICS(ics_prefix);
15679 SendToICS("adjourn\n");
15681 /* Currently GNU Chess doesn't offer or accept Adjourns */
15689 /* Offer Abort or accept pending Abort offer from opponent */
15691 if (appData.icsActive) {
15692 SendToICS(ics_prefix);
15693 SendToICS("abort\n");
15695 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15702 /* Resign. You can do this even if it's not your turn. */
15704 if (appData.icsActive) {
15705 SendToICS(ics_prefix);
15706 SendToICS("resign\n");
15708 switch (gameMode) {
15709 case MachinePlaysWhite:
15710 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15712 case MachinePlaysBlack:
15713 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15716 if (cmailMsgLoaded) {
15718 if (WhiteOnMove(cmailOldMove)) {
15719 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15721 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15723 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15734 StopObservingEvent ()
15736 /* Stop observing current games */
15737 SendToICS(ics_prefix);
15738 SendToICS("unobserve\n");
15742 StopExaminingEvent ()
15744 /* Stop observing current game */
15745 SendToICS(ics_prefix);
15746 SendToICS("unexamine\n");
15750 ForwardInner (int target)
15752 int limit; int oldSeekGraphUp = seekGraphUp;
15754 if (appData.debugMode)
15755 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15756 target, currentMove, forwardMostMove);
15758 if (gameMode == EditPosition)
15761 seekGraphUp = FALSE;
15762 MarkTargetSquares(1);
15763 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15765 if (gameMode == PlayFromGameFile && !pausing)
15768 if (gameMode == IcsExamining && pausing)
15769 limit = pauseExamForwardMostMove;
15771 limit = forwardMostMove;
15773 if (target > limit) target = limit;
15775 if (target > 0 && moveList[target - 1][0]) {
15776 int fromX, fromY, toX, toY;
15777 toX = moveList[target - 1][2] - AAA;
15778 toY = moveList[target - 1][3] - ONE;
15779 if (moveList[target - 1][1] == '@') {
15780 if (appData.highlightLastMove) {
15781 SetHighlights(-1, -1, toX, toY);
15784 int viaX = moveList[target - 1][5] - AAA;
15785 int viaY = moveList[target - 1][6] - ONE;
15786 fromX = moveList[target - 1][0] - AAA;
15787 fromY = moveList[target - 1][1] - ONE;
15788 if (target == currentMove + 1) {
15789 if(moveList[target - 1][4] == ';') { // multi-leg
15790 ChessSquare piece = boards[currentMove][viaY][viaX];
15791 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15792 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15793 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15794 boards[currentMove][viaY][viaX] = piece;
15796 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15798 if (appData.highlightLastMove) {
15799 SetHighlights(fromX, fromY, toX, toY);
15803 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15804 gameMode == Training || gameMode == PlayFromGameFile ||
15805 gameMode == AnalyzeFile) {
15806 while (currentMove < target) {
15807 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15808 SendMoveToProgram(currentMove++, &first);
15811 currentMove = target;
15814 if (gameMode == EditGame || gameMode == EndOfGame) {
15815 whiteTimeRemaining = timeRemaining[0][currentMove];
15816 blackTimeRemaining = timeRemaining[1][currentMove];
15818 DisplayBothClocks();
15819 DisplayMove(currentMove - 1);
15820 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15821 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15822 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15823 DisplayComment(currentMove - 1, commentList[currentMove]);
15825 ClearMap(); // [HGM] exclude: invalidate map
15832 if (gameMode == IcsExamining && !pausing) {
15833 SendToICS(ics_prefix);
15834 SendToICS("forward\n");
15836 ForwardInner(currentMove + 1);
15843 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15844 /* to optimze, we temporarily turn off analysis mode while we feed
15845 * the remaining moves to the engine. Otherwise we get analysis output
15848 if (first.analysisSupport) {
15849 SendToProgram("exit\nforce\n", &first);
15850 first.analyzing = FALSE;
15854 if (gameMode == IcsExamining && !pausing) {
15855 SendToICS(ics_prefix);
15856 SendToICS("forward 999999\n");
15858 ForwardInner(forwardMostMove);
15861 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15862 /* we have fed all the moves, so reactivate analysis mode */
15863 SendToProgram("analyze\n", &first);
15864 first.analyzing = TRUE;
15865 /*first.maybeThinking = TRUE;*/
15866 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15871 BackwardInner (int target)
15873 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15875 if (appData.debugMode)
15876 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15877 target, currentMove, forwardMostMove);
15879 if (gameMode == EditPosition) return;
15880 seekGraphUp = FALSE;
15881 MarkTargetSquares(1);
15882 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15883 if (currentMove <= backwardMostMove) {
15885 DrawPosition(full_redraw, boards[currentMove]);
15888 if (gameMode == PlayFromGameFile && !pausing)
15891 if (moveList[target][0]) {
15892 int fromX, fromY, toX, toY;
15893 toX = moveList[target][2] - AAA;
15894 toY = moveList[target][3] - ONE;
15895 if (moveList[target][1] == '@') {
15896 if (appData.highlightLastMove) {
15897 SetHighlights(-1, -1, toX, toY);
15900 fromX = moveList[target][0] - AAA;
15901 fromY = moveList[target][1] - ONE;
15902 if (target == currentMove - 1) {
15903 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15905 if (appData.highlightLastMove) {
15906 SetHighlights(fromX, fromY, toX, toY);
15910 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15911 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15912 while (currentMove > target) {
15913 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15914 // null move cannot be undone. Reload program with move history before it.
15916 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15917 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15919 SendBoard(&first, i);
15920 if(second.analyzing) SendBoard(&second, i);
15921 for(currentMove=i; currentMove<target; currentMove++) {
15922 SendMoveToProgram(currentMove, &first);
15923 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15927 SendToBoth("undo\n");
15931 currentMove = target;
15934 if (gameMode == EditGame || gameMode == EndOfGame) {
15935 whiteTimeRemaining = timeRemaining[0][currentMove];
15936 blackTimeRemaining = timeRemaining[1][currentMove];
15938 DisplayBothClocks();
15939 DisplayMove(currentMove - 1);
15940 DrawPosition(full_redraw, boards[currentMove]);
15941 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15942 // [HGM] PV info: routine tests if comment empty
15943 DisplayComment(currentMove - 1, commentList[currentMove]);
15944 ClearMap(); // [HGM] exclude: invalidate map
15950 if (gameMode == IcsExamining && !pausing) {
15951 SendToICS(ics_prefix);
15952 SendToICS("backward\n");
15954 BackwardInner(currentMove - 1);
15961 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15962 /* to optimize, we temporarily turn off analysis mode while we undo
15963 * all the moves. Otherwise we get analysis output after each undo.
15965 if (first.analysisSupport) {
15966 SendToProgram("exit\nforce\n", &first);
15967 first.analyzing = FALSE;
15971 if (gameMode == IcsExamining && !pausing) {
15972 SendToICS(ics_prefix);
15973 SendToICS("backward 999999\n");
15975 BackwardInner(backwardMostMove);
15978 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15979 /* we have fed all the moves, so reactivate analysis mode */
15980 SendToProgram("analyze\n", &first);
15981 first.analyzing = TRUE;
15982 /*first.maybeThinking = TRUE;*/
15983 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15990 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15991 if (to >= forwardMostMove) to = forwardMostMove;
15992 if (to <= backwardMostMove) to = backwardMostMove;
15993 if (to < currentMove) {
16001 RevertEvent (Boolean annotate)
16003 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16006 if (gameMode != IcsExamining) {
16007 DisplayError(_("You are not examining a game"), 0);
16011 DisplayError(_("You can't revert while pausing"), 0);
16014 SendToICS(ics_prefix);
16015 SendToICS("revert\n");
16019 RetractMoveEvent ()
16021 switch (gameMode) {
16022 case MachinePlaysWhite:
16023 case MachinePlaysBlack:
16024 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16025 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16028 if (forwardMostMove < 2) return;
16029 currentMove = forwardMostMove = forwardMostMove - 2;
16030 whiteTimeRemaining = timeRemaining[0][currentMove];
16031 blackTimeRemaining = timeRemaining[1][currentMove];
16032 DisplayBothClocks();
16033 DisplayMove(currentMove - 1);
16034 ClearHighlights();/*!! could figure this out*/
16035 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16036 SendToProgram("remove\n", &first);
16037 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16040 case BeginningOfGame:
16044 case IcsPlayingWhite:
16045 case IcsPlayingBlack:
16046 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16047 SendToICS(ics_prefix);
16048 SendToICS("takeback 2\n");
16050 SendToICS(ics_prefix);
16051 SendToICS("takeback 1\n");
16060 ChessProgramState *cps;
16062 switch (gameMode) {
16063 case MachinePlaysWhite:
16064 if (!WhiteOnMove(forwardMostMove)) {
16065 DisplayError(_("It is your turn"), 0);
16070 case MachinePlaysBlack:
16071 if (WhiteOnMove(forwardMostMove)) {
16072 DisplayError(_("It is your turn"), 0);
16077 case TwoMachinesPlay:
16078 if (WhiteOnMove(forwardMostMove) ==
16079 (first.twoMachinesColor[0] == 'w')) {
16085 case BeginningOfGame:
16089 SendToProgram("?\n", cps);
16093 TruncateGameEvent ()
16096 if (gameMode != EditGame) return;
16103 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16104 if (forwardMostMove > currentMove) {
16105 if (gameInfo.resultDetails != NULL) {
16106 free(gameInfo.resultDetails);
16107 gameInfo.resultDetails = NULL;
16108 gameInfo.result = GameUnfinished;
16110 forwardMostMove = currentMove;
16111 HistorySet(parseList, backwardMostMove, forwardMostMove,
16119 if (appData.noChessProgram) return;
16120 switch (gameMode) {
16121 case MachinePlaysWhite:
16122 if (WhiteOnMove(forwardMostMove)) {
16123 DisplayError(_("Wait until your turn."), 0);
16127 case BeginningOfGame:
16128 case MachinePlaysBlack:
16129 if (!WhiteOnMove(forwardMostMove)) {
16130 DisplayError(_("Wait until your turn."), 0);
16135 DisplayError(_("No hint available"), 0);
16138 SendToProgram("hint\n", &first);
16139 hintRequested = TRUE;
16143 SaveSelected (FILE *g, int dummy, char *dummy2)
16145 ListGame * lg = (ListGame *) gameList.head;
16149 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16150 DisplayError(_("Game list not loaded or empty"), 0);
16154 creatingBook = TRUE; // suppresses stuff during load game
16156 /* Get list size */
16157 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16158 if(lg->position >= 0) { // selected?
16159 LoadGame(f, nItem, "", TRUE);
16160 SaveGamePGN2(g); // leaves g open
16163 lg = (ListGame *) lg->node.succ;
16167 creatingBook = FALSE;
16175 ListGame * lg = (ListGame *) gameList.head;
16178 static int secondTime = FALSE;
16180 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16181 DisplayError(_("Game list not loaded or empty"), 0);
16185 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16188 DisplayNote(_("Book file exists! Try again for overwrite."));
16192 creatingBook = TRUE;
16193 secondTime = FALSE;
16195 /* Get list size */
16196 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16197 if(lg->position >= 0) {
16198 LoadGame(f, nItem, "", TRUE);
16199 AddGameToBook(TRUE);
16202 lg = (ListGame *) lg->node.succ;
16205 creatingBook = FALSE;
16212 if (appData.noChessProgram) return;
16213 switch (gameMode) {
16214 case MachinePlaysWhite:
16215 if (WhiteOnMove(forwardMostMove)) {
16216 DisplayError(_("Wait until your turn."), 0);
16220 case BeginningOfGame:
16221 case MachinePlaysBlack:
16222 if (!WhiteOnMove(forwardMostMove)) {
16223 DisplayError(_("Wait until your turn."), 0);
16228 EditPositionDone(TRUE);
16230 case TwoMachinesPlay:
16235 SendToProgram("bk\n", &first);
16236 bookOutput[0] = NULLCHAR;
16237 bookRequested = TRUE;
16243 char *tags = PGNTags(&gameInfo);
16244 TagsPopUp(tags, CmailMsg());
16248 /* end button procedures */
16251 PrintPosition (FILE *fp, int move)
16255 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16256 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16257 char c = PieceToChar(boards[move][i][j]);
16258 fputc(c == 'x' ? '.' : c, fp);
16259 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16262 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16263 fprintf(fp, "white to play\n");
16265 fprintf(fp, "black to play\n");
16269 PrintOpponents (FILE *fp)
16271 if (gameInfo.white != NULL) {
16272 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16278 /* Find last component of program's own name, using some heuristics */
16280 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16283 int local = (strcmp(host, "localhost") == 0);
16284 while (!local && (p = strchr(prog, ';')) != NULL) {
16286 while (*p == ' ') p++;
16289 if (*prog == '"' || *prog == '\'') {
16290 q = strchr(prog + 1, *prog);
16292 q = strchr(prog, ' ');
16294 if (q == NULL) q = prog + strlen(prog);
16296 while (p >= prog && *p != '/' && *p != '\\') p--;
16298 if(p == prog && *p == '"') p++;
16300 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16301 memcpy(buf, p, q - p);
16302 buf[q - p] = NULLCHAR;
16310 TimeControlTagValue ()
16313 if (!appData.clockMode) {
16314 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16315 } else if (movesPerSession > 0) {
16316 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16317 } else if (timeIncrement == 0) {
16318 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16320 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16322 return StrSave(buf);
16328 /* This routine is used only for certain modes */
16329 VariantClass v = gameInfo.variant;
16330 ChessMove r = GameUnfinished;
16333 if(keepInfo) return;
16335 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16336 r = gameInfo.result;
16337 p = gameInfo.resultDetails;
16338 gameInfo.resultDetails = NULL;
16340 ClearGameInfo(&gameInfo);
16341 gameInfo.variant = v;
16343 switch (gameMode) {
16344 case MachinePlaysWhite:
16345 gameInfo.event = StrSave( appData.pgnEventHeader );
16346 gameInfo.site = StrSave(HostName());
16347 gameInfo.date = PGNDate();
16348 gameInfo.round = StrSave("-");
16349 gameInfo.white = StrSave(first.tidy);
16350 gameInfo.black = StrSave(UserName());
16351 gameInfo.timeControl = TimeControlTagValue();
16354 case MachinePlaysBlack:
16355 gameInfo.event = StrSave( appData.pgnEventHeader );
16356 gameInfo.site = StrSave(HostName());
16357 gameInfo.date = PGNDate();
16358 gameInfo.round = StrSave("-");
16359 gameInfo.white = StrSave(UserName());
16360 gameInfo.black = StrSave(first.tidy);
16361 gameInfo.timeControl = TimeControlTagValue();
16364 case TwoMachinesPlay:
16365 gameInfo.event = StrSave( appData.pgnEventHeader );
16366 gameInfo.site = StrSave(HostName());
16367 gameInfo.date = PGNDate();
16370 snprintf(buf, MSG_SIZ, "%d", roundNr);
16371 gameInfo.round = StrSave(buf);
16373 gameInfo.round = StrSave("-");
16375 if (first.twoMachinesColor[0] == 'w') {
16376 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16377 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16379 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16380 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16382 gameInfo.timeControl = TimeControlTagValue();
16386 gameInfo.event = StrSave("Edited game");
16387 gameInfo.site = StrSave(HostName());
16388 gameInfo.date = PGNDate();
16389 gameInfo.round = StrSave("-");
16390 gameInfo.white = StrSave("-");
16391 gameInfo.black = StrSave("-");
16392 gameInfo.result = r;
16393 gameInfo.resultDetails = p;
16397 gameInfo.event = StrSave("Edited position");
16398 gameInfo.site = StrSave(HostName());
16399 gameInfo.date = PGNDate();
16400 gameInfo.round = StrSave("-");
16401 gameInfo.white = StrSave("-");
16402 gameInfo.black = StrSave("-");
16405 case IcsPlayingWhite:
16406 case IcsPlayingBlack:
16411 case PlayFromGameFile:
16412 gameInfo.event = StrSave("Game from non-PGN file");
16413 gameInfo.site = StrSave(HostName());
16414 gameInfo.date = PGNDate();
16415 gameInfo.round = StrSave("-");
16416 gameInfo.white = StrSave("?");
16417 gameInfo.black = StrSave("?");
16426 ReplaceComment (int index, char *text)
16432 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16433 pvInfoList[index-1].depth == len &&
16434 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16435 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16436 while (*text == '\n') text++;
16437 len = strlen(text);
16438 while (len > 0 && text[len - 1] == '\n') len--;
16440 if (commentList[index] != NULL)
16441 free(commentList[index]);
16444 commentList[index] = NULL;
16447 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16448 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16449 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16450 commentList[index] = (char *) malloc(len + 2);
16451 strncpy(commentList[index], text, len);
16452 commentList[index][len] = '\n';
16453 commentList[index][len + 1] = NULLCHAR;
16455 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16457 commentList[index] = (char *) malloc(len + 7);
16458 safeStrCpy(commentList[index], "{\n", 3);
16459 safeStrCpy(commentList[index]+2, text, len+1);
16460 commentList[index][len+2] = NULLCHAR;
16461 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16462 strcat(commentList[index], "\n}\n");
16467 CrushCRs (char *text)
16475 if (ch == '\r') continue;
16477 } while (ch != '\0');
16481 AppendComment (int index, char *text, Boolean addBraces)
16482 /* addBraces tells if we should add {} */
16487 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16488 if(addBraces == 3) addBraces = 0; else // force appending literally
16489 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16492 while (*text == '\n') text++;
16493 len = strlen(text);
16494 while (len > 0 && text[len - 1] == '\n') len--;
16495 text[len] = NULLCHAR;
16497 if (len == 0) return;
16499 if (commentList[index] != NULL) {
16500 Boolean addClosingBrace = addBraces;
16501 old = commentList[index];
16502 oldlen = strlen(old);
16503 while(commentList[index][oldlen-1] == '\n')
16504 commentList[index][--oldlen] = NULLCHAR;
16505 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16506 safeStrCpy(commentList[index], old, oldlen + len + 6);
16508 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16509 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16510 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16511 while (*text == '\n') { text++; len--; }
16512 commentList[index][--oldlen] = NULLCHAR;
16514 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16515 else strcat(commentList[index], "\n");
16516 strcat(commentList[index], text);
16517 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16518 else strcat(commentList[index], "\n");
16520 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16522 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16523 else commentList[index][0] = NULLCHAR;
16524 strcat(commentList[index], text);
16525 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16526 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16531 FindStr (char * text, char * sub_text)
16533 char * result = strstr( text, sub_text );
16535 if( result != NULL ) {
16536 result += strlen( sub_text );
16542 /* [AS] Try to extract PV info from PGN comment */
16543 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16545 GetInfoFromComment (int index, char * text)
16547 char * sep = text, *p;
16549 if( text != NULL && index > 0 ) {
16552 int time = -1, sec = 0, deci;
16553 char * s_eval = FindStr( text, "[%eval " );
16554 char * s_emt = FindStr( text, "[%emt " );
16556 if( s_eval != NULL || s_emt != NULL ) {
16558 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16563 if( s_eval != NULL ) {
16564 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16568 if( delim != ']' ) {
16573 if( s_emt != NULL ) {
16578 /* We expect something like: [+|-]nnn.nn/dd */
16581 if(*text != '{') return text; // [HGM] braces: must be normal comment
16583 sep = strchr( text, '/' );
16584 if( sep == NULL || sep < (text+4) ) {
16589 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16590 if(p[1] == '(') { // comment starts with PV
16591 p = strchr(p, ')'); // locate end of PV
16592 if(p == NULL || sep < p+5) return text;
16593 // at this point we have something like "{(.*) +0.23/6 ..."
16594 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16595 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16596 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16598 time = -1; sec = -1; deci = -1;
16599 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16600 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16601 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16602 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16606 if( score_lo < 0 || score_lo >= 100 ) {
16610 if(sec >= 0) time = 600*time + 10*sec; else
16611 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16613 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16615 /* [HGM] PV time: now locate end of PV info */
16616 while( *++sep >= '0' && *sep <= '9'); // strip depth
16618 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16620 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16622 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16623 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16634 pvInfoList[index-1].depth = depth;
16635 pvInfoList[index-1].score = score;
16636 pvInfoList[index-1].time = 10*time; // centi-sec
16637 if(*sep == '}') *sep = 0; else *--sep = '{';
16638 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16644 SendToProgram (char *message, ChessProgramState *cps)
16646 int count, outCount, error;
16649 if (cps->pr == NoProc) return;
16652 if (appData.debugMode) {
16655 fprintf(debugFP, "%ld >%-6s: %s",
16656 SubtractTimeMarks(&now, &programStartTime),
16657 cps->which, message);
16659 fprintf(serverFP, "%ld >%-6s: %s",
16660 SubtractTimeMarks(&now, &programStartTime),
16661 cps->which, message), fflush(serverFP);
16664 count = strlen(message);
16665 outCount = OutputToProcess(cps->pr, message, count, &error);
16666 if (outCount < count && !exiting
16667 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16668 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16669 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16670 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16671 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16672 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16673 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16674 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16676 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16677 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16678 gameInfo.result = res;
16680 gameInfo.resultDetails = StrSave(buf);
16682 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16683 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16688 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16692 ChessProgramState *cps = (ChessProgramState *)closure;
16694 if (isr != cps->isr) return; /* Killed intentionally */
16697 RemoveInputSource(cps->isr);
16698 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16699 _(cps->which), cps->program);
16700 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16701 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16702 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16703 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16704 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16705 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16707 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16708 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16709 gameInfo.result = res;
16711 gameInfo.resultDetails = StrSave(buf);
16713 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16714 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16716 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16717 _(cps->which), cps->program);
16718 RemoveInputSource(cps->isr);
16720 /* [AS] Program is misbehaving badly... kill it */
16721 if( count == -2 ) {
16722 DestroyChildProcess( cps->pr, 9 );
16726 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16731 if ((end_str = strchr(message, '\r')) != NULL)
16732 *end_str = NULLCHAR;
16733 if ((end_str = strchr(message, '\n')) != NULL)
16734 *end_str = NULLCHAR;
16736 if (appData.debugMode) {
16737 TimeMark now; int print = 1;
16738 char *quote = ""; char c; int i;
16740 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16741 char start = message[0];
16742 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16743 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16744 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16745 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16746 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16747 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16748 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16749 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16750 sscanf(message, "hint: %c", &c)!=1 &&
16751 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16752 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16753 print = (appData.engineComments >= 2);
16755 message[0] = start; // restore original message
16759 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16760 SubtractTimeMarks(&now, &programStartTime), cps->which,
16764 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16765 SubtractTimeMarks(&now, &programStartTime), cps->which,
16767 message), fflush(serverFP);
16771 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16772 if (appData.icsEngineAnalyze) {
16773 if (strstr(message, "whisper") != NULL ||
16774 strstr(message, "kibitz") != NULL ||
16775 strstr(message, "tellics") != NULL) return;
16778 HandleMachineMove(message, cps);
16783 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16788 if( timeControl_2 > 0 ) {
16789 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16790 tc = timeControl_2;
16793 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16794 inc /= cps->timeOdds;
16795 st /= cps->timeOdds;
16797 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16800 /* Set exact time per move, normally using st command */
16801 if (cps->stKludge) {
16802 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16804 if (seconds == 0) {
16805 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16807 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16810 snprintf(buf, MSG_SIZ, "st %d\n", st);
16813 /* Set conventional or incremental time control, using level command */
16814 if (seconds == 0) {
16815 /* Note old gnuchess bug -- minutes:seconds used to not work.
16816 Fixed in later versions, but still avoid :seconds
16817 when seconds is 0. */
16818 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16820 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16821 seconds, inc/1000.);
16824 SendToProgram(buf, cps);
16826 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16827 /* Orthogonally, limit search to given depth */
16829 if (cps->sdKludge) {
16830 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16832 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16834 SendToProgram(buf, cps);
16837 if(cps->nps >= 0) { /* [HGM] nps */
16838 if(cps->supportsNPS == FALSE)
16839 cps->nps = -1; // don't use if engine explicitly says not supported!
16841 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16842 SendToProgram(buf, cps);
16847 ChessProgramState *
16849 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16851 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16852 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16858 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16860 char message[MSG_SIZ];
16863 /* Note: this routine must be called when the clocks are stopped
16864 or when they have *just* been set or switched; otherwise
16865 it will be off by the time since the current tick started.
16867 if (machineWhite) {
16868 time = whiteTimeRemaining / 10;
16869 otime = blackTimeRemaining / 10;
16871 time = blackTimeRemaining / 10;
16872 otime = whiteTimeRemaining / 10;
16874 /* [HGM] translate opponent's time by time-odds factor */
16875 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16877 if (time <= 0) time = 1;
16878 if (otime <= 0) otime = 1;
16880 snprintf(message, MSG_SIZ, "time %ld\n", time);
16881 SendToProgram(message, cps);
16883 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16884 SendToProgram(message, cps);
16888 EngineDefinedVariant (ChessProgramState *cps, int n)
16889 { // return name of n-th unknown variant that engine supports
16890 static char buf[MSG_SIZ];
16891 char *p, *s = cps->variants;
16892 if(!s) return NULL;
16893 do { // parse string from variants feature
16895 p = strchr(s, ',');
16896 if(p) *p = NULLCHAR;
16897 v = StringToVariant(s);
16898 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16899 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16900 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16901 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16902 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16903 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16904 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16907 if(n < 0) return buf;
16913 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16916 int len = strlen(name);
16919 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16921 sscanf(*p, "%d", &val);
16923 while (**p && **p != ' ')
16925 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16926 SendToProgram(buf, cps);
16933 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16936 int len = strlen(name);
16937 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16939 sscanf(*p, "%d", loc);
16940 while (**p && **p != ' ') (*p)++;
16941 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16942 SendToProgram(buf, cps);
16949 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16952 int len = strlen(name);
16953 if (strncmp((*p), name, len) == 0
16954 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16956 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16957 sscanf(*p, "%[^\"]", *loc);
16958 while (**p && **p != '\"') (*p)++;
16959 if (**p == '\"') (*p)++;
16960 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16961 SendToProgram(buf, cps);
16968 ParseOption (Option *opt, ChessProgramState *cps)
16969 // [HGM] options: process the string that defines an engine option, and determine
16970 // name, type, default value, and allowed value range
16972 char *p, *q, buf[MSG_SIZ];
16973 int n, min = (-1)<<31, max = 1<<31, def;
16975 if(p = strstr(opt->name, " -spin ")) {
16976 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16977 if(max < min) max = min; // enforce consistency
16978 if(def < min) def = min;
16979 if(def > max) def = max;
16984 } else if((p = strstr(opt->name, " -slider "))) {
16985 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16986 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16987 if(max < min) max = min; // enforce consistency
16988 if(def < min) def = min;
16989 if(def > max) def = max;
16993 opt->type = Spin; // Slider;
16994 } else if((p = strstr(opt->name, " -string "))) {
16995 opt->textValue = p+9;
16996 opt->type = TextBox;
16997 } else if((p = strstr(opt->name, " -file "))) {
16998 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16999 opt->textValue = p+7;
17000 opt->type = FileName; // FileName;
17001 } else if((p = strstr(opt->name, " -path "))) {
17002 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17003 opt->textValue = p+7;
17004 opt->type = PathName; // PathName;
17005 } else if(p = strstr(opt->name, " -check ")) {
17006 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17007 opt->value = (def != 0);
17008 opt->type = CheckBox;
17009 } else if(p = strstr(opt->name, " -combo ")) {
17010 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17011 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17012 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17013 opt->value = n = 0;
17014 while(q = StrStr(q, " /// ")) {
17015 n++; *q = 0; // count choices, and null-terminate each of them
17017 if(*q == '*') { // remember default, which is marked with * prefix
17021 cps->comboList[cps->comboCnt++] = q;
17023 cps->comboList[cps->comboCnt++] = NULL;
17025 opt->type = ComboBox;
17026 } else if(p = strstr(opt->name, " -button")) {
17027 opt->type = Button;
17028 } else if(p = strstr(opt->name, " -save")) {
17029 opt->type = SaveButton;
17030 } else return FALSE;
17031 *p = 0; // terminate option name
17032 // now look if the command-line options define a setting for this engine option.
17033 if(cps->optionSettings && cps->optionSettings[0])
17034 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17035 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17036 snprintf(buf, MSG_SIZ, "option %s", p);
17037 if(p = strstr(buf, ",")) *p = 0;
17038 if(q = strchr(buf, '=')) switch(opt->type) {
17040 for(n=0; n<opt->max; n++)
17041 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17044 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17048 opt->value = atoi(q+1);
17053 SendToProgram(buf, cps);
17059 FeatureDone (ChessProgramState *cps, int val)
17061 DelayedEventCallback cb = GetDelayedEvent();
17062 if ((cb == InitBackEnd3 && cps == &first) ||
17063 (cb == SettingsMenuIfReady && cps == &second) ||
17064 (cb == LoadEngine) ||
17065 (cb == TwoMachinesEventIfReady)) {
17066 CancelDelayedEvent();
17067 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17069 cps->initDone = val;
17070 if(val) cps->reload = FALSE;
17073 /* Parse feature command from engine */
17075 ParseFeatures (char *args, ChessProgramState *cps)
17083 while (*p == ' ') p++;
17084 if (*p == NULLCHAR) return;
17086 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17087 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17088 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17089 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17090 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17091 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17092 if (BoolFeature(&p, "reuse", &val, cps)) {
17093 /* Engine can disable reuse, but can't enable it if user said no */
17094 if (!val) cps->reuse = FALSE;
17097 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17098 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17099 if (gameMode == TwoMachinesPlay) {
17100 DisplayTwoMachinesTitle();
17106 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17107 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17108 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17109 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17110 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17111 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17112 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17113 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17114 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17115 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17116 if (IntFeature(&p, "done", &val, cps)) {
17117 FeatureDone(cps, val);
17120 /* Added by Tord: */
17121 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17122 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17123 /* End of additions by Tord */
17125 /* [HGM] added features: */
17126 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17127 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17128 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17129 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17130 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17131 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17132 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17133 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17134 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17135 FREE(cps->option[cps->nrOptions].name);
17136 cps->option[cps->nrOptions].name = q; q = NULL;
17137 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17138 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17139 SendToProgram(buf, cps);
17142 if(cps->nrOptions >= MAX_OPTIONS) {
17144 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17145 DisplayError(buf, 0);
17149 /* End of additions by HGM */
17151 /* unknown feature: complain and skip */
17153 while (*q && *q != '=') q++;
17154 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17155 SendToProgram(buf, cps);
17161 while (*p && *p != '\"') p++;
17162 if (*p == '\"') p++;
17164 while (*p && *p != ' ') p++;
17172 PeriodicUpdatesEvent (int newState)
17174 if (newState == appData.periodicUpdates)
17177 appData.periodicUpdates=newState;
17179 /* Display type changes, so update it now */
17180 // DisplayAnalysis();
17182 /* Get the ball rolling again... */
17184 AnalysisPeriodicEvent(1);
17185 StartAnalysisClock();
17190 PonderNextMoveEvent (int newState)
17192 if (newState == appData.ponderNextMove) return;
17193 if (gameMode == EditPosition) EditPositionDone(TRUE);
17195 SendToProgram("hard\n", &first);
17196 if (gameMode == TwoMachinesPlay) {
17197 SendToProgram("hard\n", &second);
17200 SendToProgram("easy\n", &first);
17201 thinkOutput[0] = NULLCHAR;
17202 if (gameMode == TwoMachinesPlay) {
17203 SendToProgram("easy\n", &second);
17206 appData.ponderNextMove = newState;
17210 NewSettingEvent (int option, int *feature, char *command, int value)
17214 if (gameMode == EditPosition) EditPositionDone(TRUE);
17215 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17216 if(feature == NULL || *feature) SendToProgram(buf, &first);
17217 if (gameMode == TwoMachinesPlay) {
17218 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17223 ShowThinkingEvent ()
17224 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17226 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17227 int newState = appData.showThinking
17228 // [HGM] thinking: other features now need thinking output as well
17229 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17231 if (oldState == newState) return;
17232 oldState = newState;
17233 if (gameMode == EditPosition) EditPositionDone(TRUE);
17235 SendToProgram("post\n", &first);
17236 if (gameMode == TwoMachinesPlay) {
17237 SendToProgram("post\n", &second);
17240 SendToProgram("nopost\n", &first);
17241 thinkOutput[0] = NULLCHAR;
17242 if (gameMode == TwoMachinesPlay) {
17243 SendToProgram("nopost\n", &second);
17246 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17250 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17252 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17253 if (pr == NoProc) return;
17254 AskQuestion(title, question, replyPrefix, pr);
17258 TypeInEvent (char firstChar)
17260 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17261 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17262 gameMode == AnalyzeMode || gameMode == EditGame ||
17263 gameMode == EditPosition || gameMode == IcsExamining ||
17264 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17265 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17266 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17267 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17268 gameMode == Training) PopUpMoveDialog(firstChar);
17272 TypeInDoneEvent (char *move)
17275 int n, fromX, fromY, toX, toY;
17277 ChessMove moveType;
17280 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17281 EditPositionPasteFEN(move);
17284 // [HGM] movenum: allow move number to be typed in any mode
17285 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17289 // undocumented kludge: allow command-line option to be typed in!
17290 // (potentially fatal, and does not implement the effect of the option.)
17291 // should only be used for options that are values on which future decisions will be made,
17292 // and definitely not on options that would be used during initialization.
17293 if(strstr(move, "!!! -") == move) {
17294 ParseArgsFromString(move+4);
17298 if (gameMode != EditGame && currentMove != forwardMostMove &&
17299 gameMode != Training) {
17300 DisplayMoveError(_("Displayed move is not current"));
17302 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17303 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17304 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17305 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17306 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17307 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17309 DisplayMoveError(_("Could not parse move"));
17315 DisplayMove (int moveNumber)
17317 char message[MSG_SIZ];
17319 char cpThinkOutput[MSG_SIZ];
17321 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17323 if (moveNumber == forwardMostMove - 1 ||
17324 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17326 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17328 if (strchr(cpThinkOutput, '\n')) {
17329 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17332 *cpThinkOutput = NULLCHAR;
17335 /* [AS] Hide thinking from human user */
17336 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17337 *cpThinkOutput = NULLCHAR;
17338 if( thinkOutput[0] != NULLCHAR ) {
17341 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17342 cpThinkOutput[i] = '.';
17344 cpThinkOutput[i] = NULLCHAR;
17345 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17349 if (moveNumber == forwardMostMove - 1 &&
17350 gameInfo.resultDetails != NULL) {
17351 if (gameInfo.resultDetails[0] == NULLCHAR) {
17352 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17354 snprintf(res, MSG_SIZ, " {%s} %s",
17355 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17361 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17362 DisplayMessage(res, cpThinkOutput);
17364 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17365 WhiteOnMove(moveNumber) ? " " : ".. ",
17366 parseList[moveNumber], res);
17367 DisplayMessage(message, cpThinkOutput);
17372 DisplayComment (int moveNumber, char *text)
17374 char title[MSG_SIZ];
17376 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17377 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17379 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17380 WhiteOnMove(moveNumber) ? " " : ".. ",
17381 parseList[moveNumber]);
17383 if (text != NULL && (appData.autoDisplayComment || commentUp))
17384 CommentPopUp(title, text);
17387 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17388 * might be busy thinking or pondering. It can be omitted if your
17389 * gnuchess is configured to stop thinking immediately on any user
17390 * input. However, that gnuchess feature depends on the FIONREAD
17391 * ioctl, which does not work properly on some flavors of Unix.
17394 Attention (ChessProgramState *cps)
17397 if (!cps->useSigint) return;
17398 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17399 switch (gameMode) {
17400 case MachinePlaysWhite:
17401 case MachinePlaysBlack:
17402 case TwoMachinesPlay:
17403 case IcsPlayingWhite:
17404 case IcsPlayingBlack:
17407 /* Skip if we know it isn't thinking */
17408 if (!cps->maybeThinking) return;
17409 if (appData.debugMode)
17410 fprintf(debugFP, "Interrupting %s\n", cps->which);
17411 InterruptChildProcess(cps->pr);
17412 cps->maybeThinking = FALSE;
17417 #endif /*ATTENTION*/
17423 if (whiteTimeRemaining <= 0) {
17426 if (appData.icsActive) {
17427 if (appData.autoCallFlag &&
17428 gameMode == IcsPlayingBlack && !blackFlag) {
17429 SendToICS(ics_prefix);
17430 SendToICS("flag\n");
17434 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17436 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17437 if (appData.autoCallFlag) {
17438 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17445 if (blackTimeRemaining <= 0) {
17448 if (appData.icsActive) {
17449 if (appData.autoCallFlag &&
17450 gameMode == IcsPlayingWhite && !whiteFlag) {
17451 SendToICS(ics_prefix);
17452 SendToICS("flag\n");
17456 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17458 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17459 if (appData.autoCallFlag) {
17460 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17471 CheckTimeControl ()
17473 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17474 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17477 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17479 if ( !WhiteOnMove(forwardMostMove) ) {
17480 /* White made time control */
17481 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17482 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17483 /* [HGM] time odds: correct new time quota for time odds! */
17484 / WhitePlayer()->timeOdds;
17485 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17487 lastBlack -= blackTimeRemaining;
17488 /* Black made time control */
17489 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17490 / WhitePlayer()->other->timeOdds;
17491 lastWhite = whiteTimeRemaining;
17496 DisplayBothClocks ()
17498 int wom = gameMode == EditPosition ?
17499 !blackPlaysFirst : WhiteOnMove(currentMove);
17500 DisplayWhiteClock(whiteTimeRemaining, wom);
17501 DisplayBlackClock(blackTimeRemaining, !wom);
17505 /* Timekeeping seems to be a portability nightmare. I think everyone
17506 has ftime(), but I'm really not sure, so I'm including some ifdefs
17507 to use other calls if you don't. Clocks will be less accurate if
17508 you have neither ftime nor gettimeofday.
17511 /* VS 2008 requires the #include outside of the function */
17512 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17513 #include <sys/timeb.h>
17516 /* Get the current time as a TimeMark */
17518 GetTimeMark (TimeMark *tm)
17520 #if HAVE_GETTIMEOFDAY
17522 struct timeval timeVal;
17523 struct timezone timeZone;
17525 gettimeofday(&timeVal, &timeZone);
17526 tm->sec = (long) timeVal.tv_sec;
17527 tm->ms = (int) (timeVal.tv_usec / 1000L);
17529 #else /*!HAVE_GETTIMEOFDAY*/
17532 // include <sys/timeb.h> / moved to just above start of function
17533 struct timeb timeB;
17536 tm->sec = (long) timeB.time;
17537 tm->ms = (int) timeB.millitm;
17539 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17540 tm->sec = (long) time(NULL);
17546 /* Return the difference in milliseconds between two
17547 time marks. We assume the difference will fit in a long!
17550 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17552 return 1000L*(tm2->sec - tm1->sec) +
17553 (long) (tm2->ms - tm1->ms);
17558 * Code to manage the game clocks.
17560 * In tournament play, black starts the clock and then white makes a move.
17561 * We give the human user a slight advantage if he is playing white---the
17562 * clocks don't run until he makes his first move, so it takes zero time.
17563 * Also, we don't account for network lag, so we could get out of sync
17564 * with GNU Chess's clock -- but then, referees are always right.
17567 static TimeMark tickStartTM;
17568 static long intendedTickLength;
17571 NextTickLength (long timeRemaining)
17573 long nominalTickLength, nextTickLength;
17575 if (timeRemaining > 0L && timeRemaining <= 10000L)
17576 nominalTickLength = 100L;
17578 nominalTickLength = 1000L;
17579 nextTickLength = timeRemaining % nominalTickLength;
17580 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17582 return nextTickLength;
17585 /* Adjust clock one minute up or down */
17587 AdjustClock (Boolean which, int dir)
17589 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17590 if(which) blackTimeRemaining += 60000*dir;
17591 else whiteTimeRemaining += 60000*dir;
17592 DisplayBothClocks();
17593 adjustedClock = TRUE;
17596 /* Stop clocks and reset to a fresh time control */
17600 (void) StopClockTimer();
17601 if (appData.icsActive) {
17602 whiteTimeRemaining = blackTimeRemaining = 0;
17603 } else if (searchTime) {
17604 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17605 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17606 } else { /* [HGM] correct new time quote for time odds */
17607 whiteTC = blackTC = fullTimeControlString;
17608 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17609 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17611 if (whiteFlag || blackFlag) {
17613 whiteFlag = blackFlag = FALSE;
17615 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17616 DisplayBothClocks();
17617 adjustedClock = FALSE;
17620 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17622 /* Decrement running clock by amount of time that has passed */
17626 long timeRemaining;
17627 long lastTickLength, fudge;
17630 if (!appData.clockMode) return;
17631 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17635 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17637 /* Fudge if we woke up a little too soon */
17638 fudge = intendedTickLength - lastTickLength;
17639 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17641 if (WhiteOnMove(forwardMostMove)) {
17642 if(whiteNPS >= 0) lastTickLength = 0;
17643 timeRemaining = whiteTimeRemaining -= lastTickLength;
17644 if(timeRemaining < 0 && !appData.icsActive) {
17645 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17646 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17647 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17648 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17651 DisplayWhiteClock(whiteTimeRemaining - fudge,
17652 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17654 if(blackNPS >= 0) lastTickLength = 0;
17655 timeRemaining = blackTimeRemaining -= lastTickLength;
17656 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17657 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17659 blackStartMove = forwardMostMove;
17660 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17663 DisplayBlackClock(blackTimeRemaining - fudge,
17664 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17666 if (CheckFlags()) return;
17668 if(twoBoards) { // count down secondary board's clocks as well
17669 activePartnerTime -= lastTickLength;
17671 if(activePartner == 'W')
17672 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17674 DisplayBlackClock(activePartnerTime, TRUE);
17679 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17680 StartClockTimer(intendedTickLength);
17682 /* if the time remaining has fallen below the alarm threshold, sound the
17683 * alarm. if the alarm has sounded and (due to a takeback or time control
17684 * with increment) the time remaining has increased to a level above the
17685 * threshold, reset the alarm so it can sound again.
17688 if (appData.icsActive && appData.icsAlarm) {
17690 /* make sure we are dealing with the user's clock */
17691 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17692 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17695 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17696 alarmSounded = FALSE;
17697 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17699 alarmSounded = TRUE;
17705 /* A player has just moved, so stop the previously running
17706 clock and (if in clock mode) start the other one.
17707 We redisplay both clocks in case we're in ICS mode, because
17708 ICS gives us an update to both clocks after every move.
17709 Note that this routine is called *after* forwardMostMove
17710 is updated, so the last fractional tick must be subtracted
17711 from the color that is *not* on move now.
17714 SwitchClocks (int newMoveNr)
17716 long lastTickLength;
17718 int flagged = FALSE;
17722 if (StopClockTimer() && appData.clockMode) {
17723 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17724 if (!WhiteOnMove(forwardMostMove)) {
17725 if(blackNPS >= 0) lastTickLength = 0;
17726 blackTimeRemaining -= lastTickLength;
17727 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17728 // if(pvInfoList[forwardMostMove].time == -1)
17729 pvInfoList[forwardMostMove].time = // use GUI time
17730 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17732 if(whiteNPS >= 0) lastTickLength = 0;
17733 whiteTimeRemaining -= lastTickLength;
17734 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17735 // if(pvInfoList[forwardMostMove].time == -1)
17736 pvInfoList[forwardMostMove].time =
17737 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17739 flagged = CheckFlags();
17741 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17742 CheckTimeControl();
17744 if (flagged || !appData.clockMode) return;
17746 switch (gameMode) {
17747 case MachinePlaysBlack:
17748 case MachinePlaysWhite:
17749 case BeginningOfGame:
17750 if (pausing) return;
17754 case PlayFromGameFile:
17762 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17763 if(WhiteOnMove(forwardMostMove))
17764 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17765 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17769 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17770 whiteTimeRemaining : blackTimeRemaining);
17771 StartClockTimer(intendedTickLength);
17775 /* Stop both clocks */
17779 long lastTickLength;
17782 if (!StopClockTimer()) return;
17783 if (!appData.clockMode) return;
17787 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17788 if (WhiteOnMove(forwardMostMove)) {
17789 if(whiteNPS >= 0) lastTickLength = 0;
17790 whiteTimeRemaining -= lastTickLength;
17791 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17793 if(blackNPS >= 0) lastTickLength = 0;
17794 blackTimeRemaining -= lastTickLength;
17795 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17800 /* Start clock of player on move. Time may have been reset, so
17801 if clock is already running, stop and restart it. */
17805 (void) StopClockTimer(); /* in case it was running already */
17806 DisplayBothClocks();
17807 if (CheckFlags()) return;
17809 if (!appData.clockMode) return;
17810 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17812 GetTimeMark(&tickStartTM);
17813 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17814 whiteTimeRemaining : blackTimeRemaining);
17816 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17817 whiteNPS = blackNPS = -1;
17818 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17819 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17820 whiteNPS = first.nps;
17821 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17822 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17823 blackNPS = first.nps;
17824 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17825 whiteNPS = second.nps;
17826 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17827 blackNPS = second.nps;
17828 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17830 StartClockTimer(intendedTickLength);
17834 TimeString (long ms)
17836 long second, minute, hour, day;
17838 static char buf[32];
17840 if (ms > 0 && ms <= 9900) {
17841 /* convert milliseconds to tenths, rounding up */
17842 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17844 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17848 /* convert milliseconds to seconds, rounding up */
17849 /* use floating point to avoid strangeness of integer division
17850 with negative dividends on many machines */
17851 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17858 day = second / (60 * 60 * 24);
17859 second = second % (60 * 60 * 24);
17860 hour = second / (60 * 60);
17861 second = second % (60 * 60);
17862 minute = second / 60;
17863 second = second % 60;
17866 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17867 sign, day, hour, minute, second);
17869 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17871 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17878 * This is necessary because some C libraries aren't ANSI C compliant yet.
17881 StrStr (char *string, char *match)
17885 length = strlen(match);
17887 for (i = strlen(string) - length; i >= 0; i--, string++)
17888 if (!strncmp(match, string, length))
17895 StrCaseStr (char *string, char *match)
17899 length = strlen(match);
17901 for (i = strlen(string) - length; i >= 0; i--, string++) {
17902 for (j = 0; j < length; j++) {
17903 if (ToLower(match[j]) != ToLower(string[j]))
17906 if (j == length) return string;
17914 StrCaseCmp (char *s1, char *s2)
17919 c1 = ToLower(*s1++);
17920 c2 = ToLower(*s2++);
17921 if (c1 > c2) return 1;
17922 if (c1 < c2) return -1;
17923 if (c1 == NULLCHAR) return 0;
17931 return isupper(c) ? tolower(c) : c;
17938 return islower(c) ? toupper(c) : c;
17940 #endif /* !_amigados */
17947 if ((ret = (char *) malloc(strlen(s) + 1)))
17949 safeStrCpy(ret, s, strlen(s)+1);
17955 StrSavePtr (char *s, char **savePtr)
17960 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17961 safeStrCpy(*savePtr, s, strlen(s)+1);
17973 clock = time((time_t *)NULL);
17974 tm = localtime(&clock);
17975 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17976 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17977 return StrSave(buf);
17982 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17984 int i, j, fromX, fromY, toX, toY;
17985 int whiteToPlay, haveRights = nrCastlingRights;
17991 whiteToPlay = (gameMode == EditPosition) ?
17992 !blackPlaysFirst : (move % 2 == 0);
17995 /* Piece placement data */
17996 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17997 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17999 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18000 if (boards[move][i][j] == EmptySquare) {
18002 } else { ChessSquare piece = boards[move][i][j];
18003 if (emptycount > 0) {
18004 if(emptycount<10) /* [HGM] can be >= 10 */
18005 *p++ = '0' + emptycount;
18006 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18009 if(PieceToChar(piece) == '+') {
18010 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18012 piece = (ChessSquare)(CHUDEMOTED(piece));
18014 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18015 if(*p = PieceSuffix(piece)) p++;
18017 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18018 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18023 if (emptycount > 0) {
18024 if(emptycount<10) /* [HGM] can be >= 10 */
18025 *p++ = '0' + emptycount;
18026 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18033 /* [HGM] print Crazyhouse or Shogi holdings */
18034 if( gameInfo.holdingsWidth ) {
18035 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18037 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18038 piece = boards[move][i][BOARD_WIDTH-1];
18039 if( piece != EmptySquare )
18040 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18041 *p++ = PieceToChar(piece);
18043 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18044 piece = boards[move][BOARD_HEIGHT-i-1][0];
18045 if( piece != EmptySquare )
18046 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18047 *p++ = PieceToChar(piece);
18050 if( q == p ) *p++ = '-';
18056 *p++ = whiteToPlay ? 'w' : 'b';
18059 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18060 haveRights = 0; q = p;
18061 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18062 piece = boards[move][0][i];
18063 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18064 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18067 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18068 piece = boards[move][BOARD_HEIGHT-1][i];
18069 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18070 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18073 if(p == q) *p++ = '-';
18077 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18078 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18081 int handW=0, handB=0;
18082 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18083 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18084 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18087 if(appData.fischerCastling) {
18088 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18089 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18090 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18092 /* [HGM] write directly from rights */
18093 if(boards[move][CASTLING][2] != NoRights &&
18094 boards[move][CASTLING][0] != NoRights )
18095 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18096 if(boards[move][CASTLING][2] != NoRights &&
18097 boards[move][CASTLING][1] != NoRights )
18098 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18101 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18102 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18104 if(boards[move][CASTLING][5] != NoRights &&
18105 boards[move][CASTLING][3] != NoRights )
18106 *p++ = boards[move][CASTLING][3] + AAA;
18107 if(boards[move][CASTLING][5] != NoRights &&
18108 boards[move][CASTLING][4] != NoRights )
18109 *p++ = boards[move][CASTLING][4] + AAA;
18113 /* [HGM] write true castling rights */
18114 if( nrCastlingRights == 6 ) {
18116 if(boards[move][CASTLING][0] != NoRights &&
18117 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18118 q = (boards[move][CASTLING][1] != NoRights &&
18119 boards[move][CASTLING][2] != NoRights );
18120 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18121 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18122 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18123 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18127 if(boards[move][CASTLING][3] != NoRights &&
18128 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18129 q = (boards[move][CASTLING][4] != NoRights &&
18130 boards[move][CASTLING][5] != NoRights );
18132 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18133 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18134 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18139 if (q == p) *p++ = '-'; /* No castling rights */
18143 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18144 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18145 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18146 /* En passant target square */
18147 if (move > backwardMostMove) {
18148 fromX = moveList[move - 1][0] - AAA;
18149 fromY = moveList[move - 1][1] - ONE;
18150 toX = moveList[move - 1][2] - AAA;
18151 toY = moveList[move - 1][3] - ONE;
18152 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18153 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18154 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18156 /* 2-square pawn move just happened */
18158 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18162 } else if(move == backwardMostMove) {
18163 // [HGM] perhaps we should always do it like this, and forget the above?
18164 if((signed char)boards[move][EP_STATUS] >= 0) {
18165 *p++ = boards[move][EP_STATUS] + AAA;
18166 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18178 { int i = 0, j=move;
18180 /* [HGM] find reversible plies */
18181 if (appData.debugMode) { int k;
18182 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18183 for(k=backwardMostMove; k<=forwardMostMove; k++)
18184 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18188 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18189 if( j == backwardMostMove ) i += initialRulePlies;
18190 sprintf(p, "%d ", i);
18191 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18193 /* Fullmove number */
18194 sprintf(p, "%d", (move / 2) + 1);
18195 } else *--p = NULLCHAR;
18197 return StrSave(buf);
18201 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18203 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18205 int emptycount, virgin[BOARD_FILES];
18206 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18210 /* Piece placement data */
18211 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18214 if (*p == '/' || *p == ' ' || *p == '[' ) {
18216 emptycount = gameInfo.boardWidth - j;
18217 while (emptycount--)
18218 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18219 if (*p == '/') p++;
18220 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18221 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18222 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18224 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18227 #if(BOARD_FILES >= 10)*0
18228 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18229 p++; emptycount=10;
18230 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18231 while (emptycount--)
18232 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18234 } else if (*p == '*') {
18235 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18236 } else if (isdigit(*p)) {
18237 emptycount = *p++ - '0';
18238 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18239 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18240 while (emptycount--)
18241 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18242 } else if (*p == '<') {
18243 if(i == BOARD_HEIGHT-1) shuffle = 1;
18244 else if (i != 0 || !shuffle) return FALSE;
18246 } else if (shuffle && *p == '>') {
18247 p++; // for now ignore closing shuffle range, and assume rank-end
18248 } else if (*p == '?') {
18249 if (j >= gameInfo.boardWidth) return FALSE;
18250 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18251 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18252 } else if (*p == '+' || isalpha(*p)) {
18253 char *q, *s = SUFFIXES;
18254 if (j >= gameInfo.boardWidth) return FALSE;
18257 if(q = strchr(s, p[1])) p++;
18258 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18259 if(piece == EmptySquare) return FALSE; /* unknown piece */
18260 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18261 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18264 if(q = strchr(s, *p)) p++;
18265 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18268 if(piece==EmptySquare) return FALSE; /* unknown piece */
18269 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18270 piece = (ChessSquare) (PROMOTED(piece));
18271 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18274 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18275 if(piece == king) wKingRank = i;
18276 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18282 while (*p == '/' || *p == ' ') p++;
18284 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18286 /* [HGM] by default clear Crazyhouse holdings, if present */
18287 if(gameInfo.holdingsWidth) {
18288 for(i=0; i<BOARD_HEIGHT; i++) {
18289 board[i][0] = EmptySquare; /* black holdings */
18290 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18291 board[i][1] = (ChessSquare) 0; /* black counts */
18292 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18296 /* [HGM] look for Crazyhouse holdings here */
18297 while(*p==' ') p++;
18298 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18299 int swap=0, wcnt=0, bcnt=0;
18301 if(*p == '<') swap++, p++;
18302 if(*p == '-' ) p++; /* empty holdings */ else {
18303 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18304 /* if we would allow FEN reading to set board size, we would */
18305 /* have to add holdings and shift the board read so far here */
18306 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18308 if((int) piece >= (int) BlackPawn ) {
18309 i = (int)piece - (int)BlackPawn;
18310 i = PieceToNumber((ChessSquare)i);
18311 if( i >= gameInfo.holdingsSize ) return FALSE;
18312 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18313 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18316 i = (int)piece - (int)WhitePawn;
18317 i = PieceToNumber((ChessSquare)i);
18318 if( i >= gameInfo.holdingsSize ) return FALSE;
18319 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18320 board[i][BOARD_WIDTH-2]++; /* black holdings */
18324 if(subst) { // substitute back-rank question marks by holdings pieces
18325 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18326 int k, m, n = bcnt + 1;
18327 if(board[0][j] == ClearBoard) {
18328 if(!wcnt) return FALSE;
18330 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18331 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18332 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18336 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18337 if(!bcnt) return FALSE;
18338 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18339 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18340 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18341 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18352 if(subst) return FALSE; // substitution requested, but no holdings
18354 while(*p == ' ') p++;
18358 if(appData.colorNickNames) {
18359 if( c == appData.colorNickNames[0] ) c = 'w'; else
18360 if( c == appData.colorNickNames[1] ) c = 'b';
18364 *blackPlaysFirst = FALSE;
18367 *blackPlaysFirst = TRUE;
18373 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18374 /* return the extra info in global variiables */
18376 while(*p==' ') p++;
18378 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18379 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18380 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18383 /* set defaults in case FEN is incomplete */
18384 board[EP_STATUS] = EP_UNKNOWN;
18385 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18386 for(i=0; i<nrCastlingRights; i++ ) {
18387 board[CASTLING][i] =
18388 appData.fischerCastling ? NoRights : initialRights[i];
18389 } /* assume possible unless obviously impossible */
18390 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18391 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18392 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18393 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18394 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18395 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18396 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18397 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18400 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18403 while(isalpha(*p)) {
18404 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18405 if(islower(*p)) b |= 1 << (*p++ - 'a');
18409 board[TOUCHED_W] = ~w;
18410 board[TOUCHED_B] = ~b;
18411 while(*p == ' ') p++;
18415 if(nrCastlingRights) {
18417 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18418 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18419 /* castling indicator present, so default becomes no castlings */
18420 for(i=0; i<nrCastlingRights; i++ ) {
18421 board[CASTLING][i] = NoRights;
18424 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18425 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18426 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18427 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18428 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18430 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18431 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18432 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18434 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18435 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18436 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18437 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18438 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18439 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18442 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18443 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18444 board[CASTLING][2] = whiteKingFile;
18445 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18446 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18447 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18450 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18451 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18452 board[CASTLING][2] = whiteKingFile;
18453 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18454 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18455 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18458 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18459 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18460 board[CASTLING][5] = blackKingFile;
18461 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18462 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18463 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18466 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18467 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18468 board[CASTLING][5] = blackKingFile;
18469 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18470 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18471 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18474 default: /* FRC castlings */
18475 if(c >= 'a') { /* black rights */
18476 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18477 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18478 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18479 if(i == BOARD_RGHT) break;
18480 board[CASTLING][5] = i;
18482 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18483 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18485 board[CASTLING][3] = c;
18487 board[CASTLING][4] = c;
18488 } else { /* white rights */
18489 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18490 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18491 if(board[0][i] == WhiteKing) break;
18492 if(i == BOARD_RGHT) break;
18493 board[CASTLING][2] = i;
18494 c -= AAA - 'a' + 'A';
18495 if(board[0][c] >= WhiteKing) break;
18497 board[CASTLING][0] = c;
18499 board[CASTLING][1] = c;
18503 for(i=0; i<nrCastlingRights; i++)
18504 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18505 if(gameInfo.variant == VariantSChess)
18506 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18507 if(fischer && shuffle) appData.fischerCastling = TRUE;
18508 if (appData.debugMode) {
18509 fprintf(debugFP, "FEN castling rights:");
18510 for(i=0; i<nrCastlingRights; i++)
18511 fprintf(debugFP, " %d", board[CASTLING][i]);
18512 fprintf(debugFP, "\n");
18515 while(*p==' ') p++;
18518 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18520 /* read e.p. field in games that know e.p. capture */
18521 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18522 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18523 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18525 p++; board[EP_STATUS] = EP_NONE;
18527 char c = *p++ - AAA;
18529 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18530 if(*p >= '0' && *p <='9') p++;
18531 board[EP_STATUS] = c;
18536 if(sscanf(p, "%d", &i) == 1) {
18537 FENrulePlies = i; /* 50-move ply counter */
18538 /* (The move number is still ignored) */
18545 EditPositionPasteFEN (char *fen)
18548 Board initial_position;
18550 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18551 DisplayError(_("Bad FEN position in clipboard"), 0);
18554 int savedBlackPlaysFirst = blackPlaysFirst;
18555 EditPositionEvent();
18556 blackPlaysFirst = savedBlackPlaysFirst;
18557 CopyBoard(boards[0], initial_position);
18558 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18559 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18560 DisplayBothClocks();
18561 DrawPosition(FALSE, boards[currentMove]);
18566 static char cseq[12] = "\\ ";
18569 set_cont_sequence (char *new_seq)
18574 // handle bad attempts to set the sequence
18576 return 0; // acceptable error - no debug
18578 len = strlen(new_seq);
18579 ret = (len > 0) && (len < sizeof(cseq));
18581 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18582 else if (appData.debugMode)
18583 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18588 reformat a source message so words don't cross the width boundary. internal
18589 newlines are not removed. returns the wrapped size (no null character unless
18590 included in source message). If dest is NULL, only calculate the size required
18591 for the dest buffer. lp argument indicats line position upon entry, and it's
18592 passed back upon exit.
18595 wrap (char *dest, char *src, int count, int width, int *lp)
18597 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18599 cseq_len = strlen(cseq);
18600 old_line = line = *lp;
18601 ansi = len = clen = 0;
18603 for (i=0; i < count; i++)
18605 if (src[i] == '\033')
18608 // if we hit the width, back up
18609 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18611 // store i & len in case the word is too long
18612 old_i = i, old_len = len;
18614 // find the end of the last word
18615 while (i && src[i] != ' ' && src[i] != '\n')
18621 // word too long? restore i & len before splitting it
18622 if ((old_i-i+clen) >= width)
18629 if (i && src[i-1] == ' ')
18632 if (src[i] != ' ' && src[i] != '\n')
18639 // now append the newline and continuation sequence
18644 strncpy(dest+len, cseq, cseq_len);
18652 dest[len] = src[i];
18656 if (src[i] == '\n')
18661 if (dest && appData.debugMode)
18663 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18664 count, width, line, len, *lp);
18665 show_bytes(debugFP, src, count);
18666 fprintf(debugFP, "\ndest: ");
18667 show_bytes(debugFP, dest, len);
18668 fprintf(debugFP, "\n");
18670 *lp = dest ? line : old_line;
18675 // [HGM] vari: routines for shelving variations
18676 Boolean modeRestore = FALSE;
18679 PushInner (int firstMove, int lastMove)
18681 int i, j, nrMoves = lastMove - firstMove;
18683 // push current tail of game on stack
18684 savedResult[storedGames] = gameInfo.result;
18685 savedDetails[storedGames] = gameInfo.resultDetails;
18686 gameInfo.resultDetails = NULL;
18687 savedFirst[storedGames] = firstMove;
18688 savedLast [storedGames] = lastMove;
18689 savedFramePtr[storedGames] = framePtr;
18690 framePtr -= nrMoves; // reserve space for the boards
18691 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18692 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18693 for(j=0; j<MOVE_LEN; j++)
18694 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18695 for(j=0; j<2*MOVE_LEN; j++)
18696 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18697 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18698 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18699 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18700 pvInfoList[firstMove+i-1].depth = 0;
18701 commentList[framePtr+i] = commentList[firstMove+i];
18702 commentList[firstMove+i] = NULL;
18706 forwardMostMove = firstMove; // truncate game so we can start variation
18710 PushTail (int firstMove, int lastMove)
18712 if(appData.icsActive) { // only in local mode
18713 forwardMostMove = currentMove; // mimic old ICS behavior
18716 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18718 PushInner(firstMove, lastMove);
18719 if(storedGames == 1) GreyRevert(FALSE);
18720 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18724 PopInner (Boolean annotate)
18727 char buf[8000], moveBuf[20];
18729 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18730 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18731 nrMoves = savedLast[storedGames] - currentMove;
18734 if(!WhiteOnMove(currentMove))
18735 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18736 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18737 for(i=currentMove; i<forwardMostMove; i++) {
18739 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18740 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18741 strcat(buf, moveBuf);
18742 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18743 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18747 for(i=1; i<=nrMoves; i++) { // copy last variation back
18748 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18749 for(j=0; j<MOVE_LEN; j++)
18750 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18751 for(j=0; j<2*MOVE_LEN; j++)
18752 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18753 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18754 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18755 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18756 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18757 commentList[currentMove+i] = commentList[framePtr+i];
18758 commentList[framePtr+i] = NULL;
18760 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18761 framePtr = savedFramePtr[storedGames];
18762 gameInfo.result = savedResult[storedGames];
18763 if(gameInfo.resultDetails != NULL) {
18764 free(gameInfo.resultDetails);
18766 gameInfo.resultDetails = savedDetails[storedGames];
18767 forwardMostMove = currentMove + nrMoves;
18771 PopTail (Boolean annotate)
18773 if(appData.icsActive) return FALSE; // only in local mode
18774 if(!storedGames) return FALSE; // sanity
18775 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18777 PopInner(annotate);
18778 if(currentMove < forwardMostMove) ForwardEvent(); else
18779 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18781 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18787 { // remove all shelved variations
18789 for(i=0; i<storedGames; i++) {
18790 if(savedDetails[i])
18791 free(savedDetails[i]);
18792 savedDetails[i] = NULL;
18794 for(i=framePtr; i<MAX_MOVES; i++) {
18795 if(commentList[i]) free(commentList[i]);
18796 commentList[i] = NULL;
18798 framePtr = MAX_MOVES-1;
18803 LoadVariation (int index, char *text)
18804 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18805 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18806 int level = 0, move;
18808 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18809 // first find outermost bracketing variation
18810 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18811 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18812 if(*p == '{') wait = '}'; else
18813 if(*p == '[') wait = ']'; else
18814 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18815 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18817 if(*p == wait) wait = NULLCHAR; // closing ]} found
18820 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18821 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18822 end[1] = NULLCHAR; // clip off comment beyond variation
18823 ToNrEvent(currentMove-1);
18824 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18825 // kludge: use ParsePV() to append variation to game
18826 move = currentMove;
18827 ParsePV(start, TRUE, TRUE);
18828 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18829 ClearPremoveHighlights();
18831 ToNrEvent(currentMove+1);
18837 char *p, *q, buf[MSG_SIZ];
18838 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18839 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18840 ParseArgsFromString(buf);
18841 ActivateTheme(TRUE); // also redo colors
18845 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18848 q = appData.themeNames;
18849 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18850 if(appData.useBitmaps) {
18851 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18852 appData.liteBackTextureFile, appData.darkBackTextureFile,
18853 appData.liteBackTextureMode,
18854 appData.darkBackTextureMode );
18856 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18857 Col2Text(2), // lightSquareColor
18858 Col2Text(3) ); // darkSquareColor
18860 if(appData.useBorder) {
18861 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18864 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18866 if(appData.useFont) {
18867 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18868 appData.renderPiecesWithFont,
18869 appData.fontToPieceTable,
18870 Col2Text(9), // appData.fontBackColorWhite
18871 Col2Text(10) ); // appData.fontForeColorBlack
18873 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18874 appData.pieceDirectory);
18875 if(!appData.pieceDirectory[0])
18876 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18877 Col2Text(0), // whitePieceColor
18878 Col2Text(1) ); // blackPieceColor
18880 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18881 Col2Text(4), // highlightSquareColor
18882 Col2Text(5) ); // premoveHighlightColor
18883 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18884 if(insert != q) insert[-1] = NULLCHAR;
18885 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18888 ActivateTheme(FALSE);