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 != '*' && !strchr(escapes, *s)), s++;
5999 static int pieceOrder[] = {
6000 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, // P N B R Q F E A C W M
6001 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, // O H I J G D V L S U Lion
6002 45, 23, 24, 25, 26, 27, 28, 29, 46, 31, 32, // Sword Zebra Camel Tower Wolf Dragon Duck Axe Leopard Gnu Cub
6003 44, 51, 56, 57, 58, 59, 60, 61, 62, 63, 34, // Whale Pegasus Wizard Copper Iron Viking Flag Amazon Wheel Shield Claw
6004 33, 55, 53, 42, 37, 48, 39, 40, 41, 22, 30, // +P +N =B =R +L +S +E +Ph +Kn Butterfly Hat
6005 38, 43, 35, 36, 49, 47, 52, 50, 54, 64, 65 // +V +M =H =D Princess HSword +GB HCrown Wheer Shierd King
6009 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6010 /* [HGM] moved here from winboard.c because of its general usefulness */
6011 /* Basically a safe strcpy that uses the last character as King */
6013 int result = FALSE; int NrPieces;
6014 unsigned char partner[EmptySquare];
6016 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6017 && NrPieces >= 12 && !(NrPieces&1)) {
6018 int i, ii, j = 0; /* [HGM] Accept even length from 12 to 88 */
6020 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6021 for( ii=0; ii<NrPieces/2-1; ii++ ) {
6024 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6025 table[i] = map[j++];
6026 if(p = strchr(escapes, map[j])) j++, table[i] += 64*(p - escapes + 1);
6027 if(c) partner[i] = table[i], table[i] = c;
6029 table[(int) WhiteKing] = map[j++];
6030 for( ii=0; ii<NrPieces/2-1; ii++ ) {
6032 i = WHITE_TO_BLACK pieceOrder[ii];
6033 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6034 table[i] = map[j++];
6035 if(p = strchr(escapes, map[j])) j++, table[i] += 64*(p - escapes + 1);
6036 if(c) partner[i] = table[i], table[i] = c;
6038 table[(int) BlackKing] = map[j++];
6041 if(*escapes) { // set up promotion pairing
6042 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6043 // pieceToChar entirely filled, so we can look up specified partners
6044 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6046 if(c == '^' || c == '-') { // has specified partner
6048 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6049 if(c == '^') table[i] = '+';
6050 if(p < EmptySquare) promoPartner[p] = i, promoPartner[i] = p; // marry them
6051 } else if(c == '*') promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6062 SetCharTable (unsigned char *table, const char * map)
6064 return SetCharTableEsc(table, map, "");
6068 Prelude (Board board)
6069 { // [HGM] superchess: random selection of exo-pieces
6070 int i, j, k; ChessSquare p;
6071 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6073 GetPositionNumber(); // use FRC position number
6075 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6076 SetCharTable(pieceToChar, appData.pieceToCharTable);
6077 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6078 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6081 j = seed%4; seed /= 4;
6082 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6083 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6084 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6085 j = seed%3 + (seed%3 >= j); seed /= 3;
6086 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6087 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6088 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6089 j = seed%3; seed /= 3;
6090 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6091 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6092 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6093 j = seed%2 + (seed%2 >= j); seed /= 2;
6094 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6095 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6096 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6097 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6098 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6099 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6100 put(board, exoPieces[0], 0, 0, ANY);
6101 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6105 InitPosition (int redraw)
6107 ChessSquare (* pieces)[BOARD_FILES];
6108 int i, j, pawnRow=1, pieceRows=1, overrule,
6109 oldx = gameInfo.boardWidth,
6110 oldy = gameInfo.boardHeight,
6111 oldh = gameInfo.holdingsWidth;
6114 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6116 /* [AS] Initialize pv info list [HGM] and game status */
6118 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6119 pvInfoList[i].depth = 0;
6120 boards[i][EP_STATUS] = EP_NONE;
6121 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6124 initialRulePlies = 0; /* 50-move counter start */
6126 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6127 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6131 /* [HGM] logic here is completely changed. In stead of full positions */
6132 /* the initialized data only consist of the two backranks. The switch */
6133 /* selects which one we will use, which is than copied to the Board */
6134 /* initialPosition, which for the rest is initialized by Pawns and */
6135 /* empty squares. This initial position is then copied to boards[0], */
6136 /* possibly after shuffling, so that it remains available. */
6138 gameInfo.holdingsWidth = 0; /* default board sizes */
6139 gameInfo.boardWidth = 8;
6140 gameInfo.boardHeight = 8;
6141 gameInfo.holdingsSize = 0;
6142 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6143 for(i=0; i<BOARD_FILES-6; i++)
6144 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6145 initialPosition[EP_STATUS] = EP_NONE;
6146 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6147 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6148 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6149 SetCharTable(pieceNickName, appData.pieceNickNames);
6150 else SetCharTable(pieceNickName, "............");
6153 switch (gameInfo.variant) {
6154 case VariantFischeRandom:
6155 shuffleOpenings = TRUE;
6156 appData.fischerCastling = TRUE;
6159 case VariantShatranj:
6160 pieces = ShatranjArray;
6161 nrCastlingRights = 0;
6162 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6165 pieces = makrukArray;
6166 nrCastlingRights = 0;
6167 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6170 pieces = aseanArray;
6171 nrCastlingRights = 0;
6172 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6174 case VariantTwoKings:
6175 pieces = twoKingsArray;
6178 pieces = GrandArray;
6179 nrCastlingRights = 0;
6180 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6181 gameInfo.boardWidth = 10;
6182 gameInfo.boardHeight = 10;
6183 gameInfo.holdingsSize = 7;
6185 case VariantCapaRandom:
6186 shuffleOpenings = TRUE;
6187 appData.fischerCastling = TRUE;
6188 case VariantCapablanca:
6189 pieces = CapablancaArray;
6190 gameInfo.boardWidth = 10;
6191 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6194 pieces = GothicArray;
6195 gameInfo.boardWidth = 10;
6196 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6199 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6200 gameInfo.holdingsSize = 7;
6201 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6204 pieces = JanusArray;
6205 gameInfo.boardWidth = 10;
6206 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6207 nrCastlingRights = 6;
6208 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6209 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6210 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6211 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6212 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6213 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6216 pieces = FalconArray;
6217 gameInfo.boardWidth = 10;
6218 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6220 case VariantXiangqi:
6221 pieces = XiangqiArray;
6222 gameInfo.boardWidth = 9;
6223 gameInfo.boardHeight = 10;
6224 nrCastlingRights = 0;
6225 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6228 pieces = ShogiArray;
6229 gameInfo.boardWidth = 9;
6230 gameInfo.boardHeight = 9;
6231 gameInfo.holdingsSize = 7;
6232 nrCastlingRights = 0;
6233 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6236 pieces = ChuArray; pieceRows = 3;
6237 gameInfo.boardWidth = 12;
6238 gameInfo.boardHeight = 12;
6239 nrCastlingRights = 0;
6240 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN/^P.^B^R.^S^E^X^O^G^C^A^T^H^D.^V^M^L^I^FK"
6241 "p.brqsexogcathd.vmlifn/^p.^b^r.^s^e^x^o^g^c^a^t^h^d.^v^m^l^i^fk", SUFFIXES);
6243 case VariantCourier:
6244 pieces = CourierArray;
6245 gameInfo.boardWidth = 12;
6246 nrCastlingRights = 0;
6247 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6249 case VariantKnightmate:
6250 pieces = KnightmateArray;
6251 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6253 case VariantSpartan:
6254 pieces = SpartanArray;
6255 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6259 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6261 case VariantChuChess:
6262 pieces = ChuChessArray;
6263 gameInfo.boardWidth = 10;
6264 gameInfo.boardHeight = 10;
6265 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6268 pieces = fairyArray;
6269 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6272 pieces = GreatArray;
6273 gameInfo.boardWidth = 10;
6274 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6275 gameInfo.holdingsSize = 8;
6279 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6280 gameInfo.holdingsSize = 8;
6281 startedFromSetupPosition = TRUE;
6283 case VariantCrazyhouse:
6284 case VariantBughouse:
6286 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6287 gameInfo.holdingsSize = 5;
6289 case VariantWildCastle:
6291 /* !!?shuffle with kings guaranteed to be on d or e file */
6292 shuffleOpenings = 1;
6294 case VariantNoCastle:
6296 nrCastlingRights = 0;
6297 /* !!?unconstrained back-rank shuffle */
6298 shuffleOpenings = 1;
6303 if(appData.NrFiles >= 0) {
6304 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6305 gameInfo.boardWidth = appData.NrFiles;
6307 if(appData.NrRanks >= 0) {
6308 gameInfo.boardHeight = appData.NrRanks;
6310 if(appData.holdingsSize >= 0) {
6311 i = appData.holdingsSize;
6312 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6313 gameInfo.holdingsSize = i;
6315 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6316 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6317 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6319 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6320 if(pawnRow < 1) pawnRow = 1;
6321 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6322 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6323 if(gameInfo.variant == VariantChu) pawnRow = 3;
6325 /* User pieceToChar list overrules defaults */
6326 if(appData.pieceToCharTable != NULL)
6327 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6329 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6331 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6332 s = (ChessSquare) 0; /* account holding counts in guard band */
6333 for( i=0; i<BOARD_HEIGHT; i++ )
6334 initialPosition[i][j] = s;
6336 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6337 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6338 initialPosition[pawnRow][j] = WhitePawn;
6339 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6340 if(gameInfo.variant == VariantXiangqi) {
6342 initialPosition[pawnRow][j] =
6343 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6344 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6345 initialPosition[2][j] = WhiteCannon;
6346 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6350 if(gameInfo.variant == VariantChu) {
6351 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6352 initialPosition[pawnRow+1][j] = WhiteCobra,
6353 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6354 for(i=1; i<pieceRows; i++) {
6355 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6356 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6359 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6360 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6361 initialPosition[0][j] = WhiteRook;
6362 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6365 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6367 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6368 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6371 initialPosition[1][j] = WhiteBishop;
6372 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6374 initialPosition[1][j] = WhiteRook;
6375 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6378 if( nrCastlingRights == -1) {
6379 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6380 /* This sets default castling rights from none to normal corners */
6381 /* Variants with other castling rights must set them themselves above */
6382 nrCastlingRights = 6;
6384 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6385 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6386 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6387 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6388 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6389 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6392 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6393 if(gameInfo.variant == VariantGreat) { // promotion commoners
6394 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6395 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6396 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6397 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6399 if( gameInfo.variant == VariantSChess ) {
6400 initialPosition[1][0] = BlackMarshall;
6401 initialPosition[2][0] = BlackAngel;
6402 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6403 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6404 initialPosition[1][1] = initialPosition[2][1] =
6405 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6407 if (appData.debugMode) {
6408 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6410 if(shuffleOpenings) {
6411 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6412 startedFromSetupPosition = TRUE;
6414 if(startedFromPositionFile) {
6415 /* [HGM] loadPos: use PositionFile for every new game */
6416 CopyBoard(initialPosition, filePosition);
6417 for(i=0; i<nrCastlingRights; i++)
6418 initialRights[i] = filePosition[CASTLING][i];
6419 startedFromSetupPosition = TRUE;
6422 CopyBoard(boards[0], initialPosition);
6424 if(oldx != gameInfo.boardWidth ||
6425 oldy != gameInfo.boardHeight ||
6426 oldv != gameInfo.variant ||
6427 oldh != gameInfo.holdingsWidth
6429 InitDrawingSizes(-2 ,0);
6431 oldv = gameInfo.variant;
6433 DrawPosition(TRUE, boards[currentMove]);
6437 SendBoard (ChessProgramState *cps, int moveNum)
6439 char message[MSG_SIZ];
6441 if (cps->useSetboard) {
6442 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6443 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6444 SendToProgram(message, cps);
6449 int i, j, left=0, right=BOARD_WIDTH;
6450 /* Kludge to set black to move, avoiding the troublesome and now
6451 * deprecated "black" command.
6453 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6454 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6456 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6458 SendToProgram("edit\n", cps);
6459 SendToProgram("#\n", cps);
6460 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6461 bp = &boards[moveNum][i][left];
6462 for (j = left; j < right; j++, bp++) {
6463 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6464 if ((int) *bp < (int) BlackPawn) {
6465 if(j == BOARD_RGHT+1)
6466 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6467 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6468 if(message[0] == '+' || message[0] == '~') {
6469 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6470 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6471 AAA + j, ONE + i - '0');
6473 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6474 message[1] = BOARD_RGHT - 1 - j + '1';
6475 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6477 SendToProgram(message, cps);
6482 SendToProgram("c\n", cps);
6483 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6484 bp = &boards[moveNum][i][left];
6485 for (j = left; j < right; j++, bp++) {
6486 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6487 if (((int) *bp != (int) EmptySquare)
6488 && ((int) *bp >= (int) BlackPawn)) {
6489 if(j == BOARD_LEFT-2)
6490 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6491 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6492 AAA + j, ONE + i - '0');
6493 if(message[0] == '+' || message[0] == '~') {
6494 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6495 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6496 AAA + j, ONE + i - '0');
6498 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6499 message[1] = BOARD_RGHT - 1 - j + '1';
6500 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6502 SendToProgram(message, cps);
6507 SendToProgram(".\n", cps);
6509 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6512 char exclusionHeader[MSG_SIZ];
6513 int exCnt, excludePtr;
6514 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6515 static Exclusion excluTab[200];
6516 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6522 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6523 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6529 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6530 excludePtr = 24; exCnt = 0;
6535 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6536 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6537 char buf[2*MOVE_LEN], *p;
6538 Exclusion *e = excluTab;
6540 for(i=0; i<exCnt; i++)
6541 if(e[i].ff == fromX && e[i].fr == fromY &&
6542 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6543 if(i == exCnt) { // was not in exclude list; add it
6544 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6545 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6546 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6549 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6550 excludePtr++; e[i].mark = excludePtr++;
6551 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6554 exclusionHeader[e[i].mark] = state;
6558 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6559 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6563 if((signed char)promoChar == -1) { // kludge to indicate best move
6564 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6565 return 1; // if unparsable, abort
6567 // update exclusion map (resolving toggle by consulting existing state)
6568 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6570 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6571 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6572 excludeMap[k] |= 1<<j;
6573 else excludeMap[k] &= ~(1<<j);
6575 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6577 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6578 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6580 return (state == '+');
6584 ExcludeClick (int index)
6587 Exclusion *e = excluTab;
6588 if(index < 25) { // none, best or tail clicked
6589 if(index < 13) { // none: include all
6590 WriteMap(0); // clear map
6591 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6592 SendToBoth("include all\n"); // and inform engine
6593 } else if(index > 18) { // tail
6594 if(exclusionHeader[19] == '-') { // tail was excluded
6595 SendToBoth("include all\n");
6596 WriteMap(0); // clear map completely
6597 // now re-exclude selected moves
6598 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6599 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6600 } else { // tail was included or in mixed state
6601 SendToBoth("exclude all\n");
6602 WriteMap(0xFF); // fill map completely
6603 // now re-include selected moves
6604 j = 0; // count them
6605 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6606 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6607 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6610 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6613 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6614 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6615 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6622 DefaultPromoChoice (int white)
6625 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6626 gameInfo.variant == VariantMakruk)
6627 result = WhiteFerz; // no choice
6628 else if(gameInfo.variant == VariantASEAN)
6629 result = WhiteRook; // no choice
6630 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6631 result= WhiteKing; // in Suicide Q is the last thing we want
6632 else if(gameInfo.variant == VariantSpartan)
6633 result = white ? WhiteQueen : WhiteAngel;
6634 else result = WhiteQueen;
6635 if(!white) result = WHITE_TO_BLACK result;
6639 static int autoQueen; // [HGM] oneclick
6642 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6644 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6645 /* [HGM] add Shogi promotions */
6646 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6647 ChessSquare piece, partner;
6651 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6652 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6654 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6655 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6658 piece = boards[currentMove][fromY][fromX];
6659 if(gameInfo.variant == VariantChu) {
6660 promotionZoneSize = BOARD_HEIGHT/3;
6661 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6662 } else if(gameInfo.variant == VariantShogi) {
6663 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6664 highestPromotingPiece = (int)WhiteAlfil;
6665 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6666 promotionZoneSize = 3;
6669 // Treat Lance as Pawn when it is not representing Amazon or Lance
6670 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6671 if(piece == WhiteLance) piece = WhitePawn; else
6672 if(piece == BlackLance) piece = BlackPawn;
6675 // next weed out all moves that do not touch the promotion zone at all
6676 if((int)piece >= BlackPawn) {
6677 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6679 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6680 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6682 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6683 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6684 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6688 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6690 // weed out mandatory Shogi promotions
6691 if(gameInfo.variant == VariantShogi) {
6692 if(piece >= BlackPawn) {
6693 if(toY == 0 && piece == BlackPawn ||
6694 toY == 0 && piece == BlackQueen ||
6695 toY <= 1 && piece == BlackKnight) {
6700 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6701 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6702 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6709 // weed out obviously illegal Pawn moves
6710 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6711 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6712 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6713 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6714 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6715 // note we are not allowed to test for valid (non-)capture, due to premove
6718 // we either have a choice what to promote to, or (in Shogi) whether to promote
6719 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6720 gameInfo.variant == VariantMakruk) {
6721 ChessSquare p=BlackFerz; // no choice
6722 while(p < EmptySquare) { //but make sure we use piece that exists
6723 *promoChoice = PieceToChar(p++);
6724 if(*promoChoice != '.') break;
6728 // no sense asking what we must promote to if it is going to explode...
6729 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6730 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6733 // give caller the default choice even if we will not make it
6734 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6735 partner = piece; // pieces can promote if the pieceToCharTable says so
6736 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6737 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6738 if( sweepSelect && gameInfo.variant != VariantGreat
6739 && gameInfo.variant != VariantGrand
6740 && gameInfo.variant != VariantSuper) return FALSE;
6741 if(autoQueen) return FALSE; // predetermined
6743 // suppress promotion popup on illegal moves that are not premoves
6744 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6745 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6746 if(appData.testLegality && !premove) {
6747 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6748 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6749 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6750 if(moveType != WhitePromotion && moveType != BlackPromotion)
6758 InPalace (int row, int column)
6759 { /* [HGM] for Xiangqi */
6760 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6761 column < (BOARD_WIDTH + 4)/2 &&
6762 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6767 PieceForSquare (int x, int y)
6769 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6772 return boards[currentMove][y][x];
6776 OKToStartUserMove (int x, int y)
6778 ChessSquare from_piece;
6781 if (matchMode) return FALSE;
6782 if (gameMode == EditPosition) return TRUE;
6784 if (x >= 0 && y >= 0)
6785 from_piece = boards[currentMove][y][x];
6787 from_piece = EmptySquare;
6789 if (from_piece == EmptySquare) return FALSE;
6791 white_piece = (int)from_piece >= (int)WhitePawn &&
6792 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6796 case TwoMachinesPlay:
6804 case MachinePlaysWhite:
6805 case IcsPlayingBlack:
6806 if (appData.zippyPlay) return FALSE;
6808 DisplayMoveError(_("You are playing Black"));
6813 case MachinePlaysBlack:
6814 case IcsPlayingWhite:
6815 if (appData.zippyPlay) return FALSE;
6817 DisplayMoveError(_("You are playing White"));
6822 case PlayFromGameFile:
6823 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6825 if (!white_piece && WhiteOnMove(currentMove)) {
6826 DisplayMoveError(_("It is White's turn"));
6829 if (white_piece && !WhiteOnMove(currentMove)) {
6830 DisplayMoveError(_("It is Black's turn"));
6833 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6834 /* Editing correspondence game history */
6835 /* Could disallow this or prompt for confirmation */
6840 case BeginningOfGame:
6841 if (appData.icsActive) return FALSE;
6842 if (!appData.noChessProgram) {
6844 DisplayMoveError(_("You are playing White"));
6851 if (!white_piece && WhiteOnMove(currentMove)) {
6852 DisplayMoveError(_("It is White's turn"));
6855 if (white_piece && !WhiteOnMove(currentMove)) {
6856 DisplayMoveError(_("It is Black's turn"));
6865 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6866 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6867 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6868 && gameMode != AnalyzeFile && gameMode != Training) {
6869 DisplayMoveError(_("Displayed position is not current"));
6876 OnlyMove (int *x, int *y, Boolean captures)
6878 DisambiguateClosure cl;
6879 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6881 case MachinePlaysBlack:
6882 case IcsPlayingWhite:
6883 case BeginningOfGame:
6884 if(!WhiteOnMove(currentMove)) return FALSE;
6886 case MachinePlaysWhite:
6887 case IcsPlayingBlack:
6888 if(WhiteOnMove(currentMove)) return FALSE;
6895 cl.pieceIn = EmptySquare;
6900 cl.promoCharIn = NULLCHAR;
6901 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6902 if( cl.kind == NormalMove ||
6903 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6904 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6905 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6912 if(cl.kind != ImpossibleMove) return FALSE;
6913 cl.pieceIn = EmptySquare;
6918 cl.promoCharIn = NULLCHAR;
6919 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6920 if( cl.kind == NormalMove ||
6921 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6922 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6923 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6928 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6934 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6935 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6936 int lastLoadGameUseList = FALSE;
6937 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6938 ChessMove lastLoadGameStart = EndOfFile;
6940 Boolean addToBookFlag;
6943 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6947 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6949 /* Check if the user is playing in turn. This is complicated because we
6950 let the user "pick up" a piece before it is his turn. So the piece he
6951 tried to pick up may have been captured by the time he puts it down!
6952 Therefore we use the color the user is supposed to be playing in this
6953 test, not the color of the piece that is currently on the starting
6954 square---except in EditGame mode, where the user is playing both
6955 sides; fortunately there the capture race can't happen. (It can
6956 now happen in IcsExamining mode, but that's just too bad. The user
6957 will get a somewhat confusing message in that case.)
6962 case TwoMachinesPlay:
6966 /* We switched into a game mode where moves are not accepted,
6967 perhaps while the mouse button was down. */
6970 case MachinePlaysWhite:
6971 /* User is moving for Black */
6972 if (WhiteOnMove(currentMove)) {
6973 DisplayMoveError(_("It is White's turn"));
6978 case MachinePlaysBlack:
6979 /* User is moving for White */
6980 if (!WhiteOnMove(currentMove)) {
6981 DisplayMoveError(_("It is Black's turn"));
6986 case PlayFromGameFile:
6987 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6990 case BeginningOfGame:
6993 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6994 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6995 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6996 /* User is moving for Black */
6997 if (WhiteOnMove(currentMove)) {
6998 DisplayMoveError(_("It is White's turn"));
7002 /* User is moving for White */
7003 if (!WhiteOnMove(currentMove)) {
7004 DisplayMoveError(_("It is Black's turn"));
7010 case IcsPlayingBlack:
7011 /* User is moving for Black */
7012 if (WhiteOnMove(currentMove)) {
7013 if (!appData.premove) {
7014 DisplayMoveError(_("It is White's turn"));
7015 } else if (toX >= 0 && toY >= 0) {
7018 premoveFromX = fromX;
7019 premoveFromY = fromY;
7020 premovePromoChar = promoChar;
7022 if (appData.debugMode)
7023 fprintf(debugFP, "Got premove: fromX %d,"
7024 "fromY %d, toX %d, toY %d\n",
7025 fromX, fromY, toX, toY);
7031 case IcsPlayingWhite:
7032 /* User is moving for White */
7033 if (!WhiteOnMove(currentMove)) {
7034 if (!appData.premove) {
7035 DisplayMoveError(_("It is Black's turn"));
7036 } else if (toX >= 0 && toY >= 0) {
7039 premoveFromX = fromX;
7040 premoveFromY = fromY;
7041 premovePromoChar = promoChar;
7043 if (appData.debugMode)
7044 fprintf(debugFP, "Got premove: fromX %d,"
7045 "fromY %d, toX %d, toY %d\n",
7046 fromX, fromY, toX, toY);
7056 /* EditPosition, empty square, or different color piece;
7057 click-click move is possible */
7058 if (toX == -2 || toY == -2) {
7059 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7060 DrawPosition(FALSE, boards[currentMove]);
7062 } else if (toX >= 0 && toY >= 0) {
7063 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7064 ChessSquare q, p = boards[0][rf][ff];
7065 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
7066 if(CHUPROMOTED(p) < BlackPawn) p = q = CHUPROMOTED(boards[0][rf][ff]);
7067 else p = CHUDEMOTED (q = boards[0][rf][ff]);
7068 if(PieceToChar(q) == '+') gatingPiece = p;
7070 boards[0][toY][toX] = boards[0][fromY][fromX];
7071 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7072 if(boards[0][fromY][0] != EmptySquare) {
7073 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7074 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7077 if(fromX == BOARD_RGHT+1) {
7078 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7079 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7080 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7083 boards[0][fromY][fromX] = gatingPiece;
7084 DrawPosition(FALSE, boards[currentMove]);
7090 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7091 pup = boards[currentMove][toY][toX];
7093 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7094 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7095 if( pup != EmptySquare ) return;
7096 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7097 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7098 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7099 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7100 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7101 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7102 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7106 /* [HGM] always test for legality, to get promotion info */
7107 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7108 fromY, fromX, toY, toX, promoChar);
7110 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7112 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7114 /* [HGM] but possibly ignore an IllegalMove result */
7115 if (appData.testLegality) {
7116 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7117 DisplayMoveError(_("Illegal move"));
7122 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7123 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7124 ClearPremoveHighlights(); // was included
7125 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7129 if(addToBookFlag) { // adding moves to book
7130 char buf[MSG_SIZ], move[MSG_SIZ];
7131 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7132 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');
7133 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7135 addToBookFlag = FALSE;
7140 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7143 /* Common tail of UserMoveEvent and DropMenuEvent */
7145 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7149 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7150 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7151 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7152 if(WhiteOnMove(currentMove)) {
7153 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7155 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7159 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7160 move type in caller when we know the move is a legal promotion */
7161 if(moveType == NormalMove && promoChar)
7162 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7164 /* [HGM] <popupFix> The following if has been moved here from
7165 UserMoveEvent(). Because it seemed to belong here (why not allow
7166 piece drops in training games?), and because it can only be
7167 performed after it is known to what we promote. */
7168 if (gameMode == Training) {
7169 /* compare the move played on the board to the next move in the
7170 * game. If they match, display the move and the opponent's response.
7171 * If they don't match, display an error message.
7175 CopyBoard(testBoard, boards[currentMove]);
7176 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7178 if (CompareBoards(testBoard, boards[currentMove+1])) {
7179 ForwardInner(currentMove+1);
7181 /* Autoplay the opponent's response.
7182 * if appData.animate was TRUE when Training mode was entered,
7183 * the response will be animated.
7185 saveAnimate = appData.animate;
7186 appData.animate = animateTraining;
7187 ForwardInner(currentMove+1);
7188 appData.animate = saveAnimate;
7190 /* check for the end of the game */
7191 if (currentMove >= forwardMostMove) {
7192 gameMode = PlayFromGameFile;
7194 SetTrainingModeOff();
7195 DisplayInformation(_("End of game"));
7198 DisplayError(_("Incorrect move"), 0);
7203 /* Ok, now we know that the move is good, so we can kill
7204 the previous line in Analysis Mode */
7205 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7206 && currentMove < forwardMostMove) {
7207 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7208 else forwardMostMove = currentMove;
7213 /* If we need the chess program but it's dead, restart it */
7214 ResurrectChessProgram();
7216 /* A user move restarts a paused game*/
7220 thinkOutput[0] = NULLCHAR;
7222 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7224 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7225 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7229 if (gameMode == BeginningOfGame) {
7230 if (appData.noChessProgram) {
7231 gameMode = EditGame;
7235 gameMode = MachinePlaysBlack;
7238 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7240 if (first.sendName) {
7241 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7242 SendToProgram(buf, &first);
7249 /* Relay move to ICS or chess engine */
7250 if (appData.icsActive) {
7251 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7252 gameMode == IcsExamining) {
7253 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7254 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7256 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7258 // also send plain move, in case ICS does not understand atomic claims
7259 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7263 if (first.sendTime && (gameMode == BeginningOfGame ||
7264 gameMode == MachinePlaysWhite ||
7265 gameMode == MachinePlaysBlack)) {
7266 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7268 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7269 // [HGM] book: if program might be playing, let it use book
7270 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7271 first.maybeThinking = TRUE;
7272 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7273 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7274 SendBoard(&first, currentMove+1);
7275 if(second.analyzing) {
7276 if(!second.useSetboard) SendToProgram("undo\n", &second);
7277 SendBoard(&second, currentMove+1);
7280 SendMoveToProgram(forwardMostMove-1, &first);
7281 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7283 if (currentMove == cmailOldMove + 1) {
7284 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7288 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7292 if(appData.testLegality)
7293 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7299 if (WhiteOnMove(currentMove)) {
7300 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7302 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7306 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7311 case MachinePlaysBlack:
7312 case MachinePlaysWhite:
7313 /* disable certain menu options while machine is thinking */
7314 SetMachineThinkingEnables();
7321 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7322 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7324 if(bookHit) { // [HGM] book: simulate book reply
7325 static char bookMove[MSG_SIZ]; // a bit generous?
7327 programStats.nodes = programStats.depth = programStats.time =
7328 programStats.score = programStats.got_only_move = 0;
7329 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7331 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7332 strcat(bookMove, bookHit);
7333 HandleMachineMove(bookMove, &first);
7339 MarkByFEN(char *fen)
7342 if(!appData.markers || !appData.highlightDragging) return;
7343 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7344 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7348 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7349 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7350 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7351 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7352 if(*fen == 'T') marker[r][f++] = 0; else
7353 if(*fen == 'Y') marker[r][f++] = 1; else
7354 if(*fen == 'G') marker[r][f++] = 3; else
7355 if(*fen == 'B') marker[r][f++] = 4; else
7356 if(*fen == 'C') marker[r][f++] = 5; else
7357 if(*fen == 'M') marker[r][f++] = 6; else
7358 if(*fen == 'W') marker[r][f++] = 7; else
7359 if(*fen == 'D') marker[r][f++] = 8; else
7360 if(*fen == 'R') marker[r][f++] = 2; else {
7361 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7364 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7368 DrawPosition(TRUE, NULL);
7371 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7374 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7376 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7377 Markers *m = (Markers *) closure;
7378 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7379 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7380 || kind == WhiteCapturesEnPassant
7381 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 3;
7382 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7385 static int hoverSavedValid;
7388 MarkTargetSquares (int clear)
7391 if(clear) { // no reason to ever suppress clearing
7392 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7393 hoverSavedValid = 0;
7394 if(!sum) return; // nothing was cleared,no redraw needed
7397 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7398 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7399 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7400 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7401 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7403 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7406 DrawPosition(FALSE, NULL);
7410 Explode (Board board, int fromX, int fromY, int toX, int toY)
7412 if(gameInfo.variant == VariantAtomic &&
7413 (board[toY][toX] != EmptySquare || // capture?
7414 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7415 board[fromY][fromX] == BlackPawn )
7417 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7423 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7426 CanPromote (ChessSquare piece, int y)
7428 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7429 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7430 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7431 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7432 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7433 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7434 gameInfo.variant == VariantMakruk) return FALSE;
7435 return (piece == BlackPawn && y <= zone ||
7436 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7437 piece == BlackLance && y <= zone ||
7438 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7442 HoverEvent (int xPix, int yPix, int x, int y)
7444 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7446 if(!first.highlight) return;
7447 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7448 if(x == oldX && y == oldY) return; // only do something if we enter new square
7449 oldFromX = fromX; oldFromY = fromY;
7450 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7451 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7452 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7453 hoverSavedValid = 1;
7454 } else if(oldX != x || oldY != y) {
7455 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7456 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7457 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7458 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7459 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7461 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7462 SendToProgram(buf, &first);
7465 // SetHighlights(fromX, fromY, x, y);
7469 void ReportClick(char *action, int x, int y)
7471 char buf[MSG_SIZ]; // Inform engine of what user does
7473 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7474 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7475 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7476 if(!first.highlight || gameMode == EditPosition) return;
7477 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7478 SendToProgram(buf, &first);
7481 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7484 LeftClick (ClickType clickType, int xPix, int yPix)
7487 Boolean saveAnimate;
7488 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7489 char promoChoice = NULLCHAR;
7491 static TimeMark lastClickTime, prevClickTime;
7493 x = EventToSquare(xPix, BOARD_WIDTH);
7494 y = EventToSquare(yPix, BOARD_HEIGHT);
7495 if (!flipView && y >= 0) {
7496 y = BOARD_HEIGHT - 1 - y;
7498 if (flipView && x >= 0) {
7499 x = BOARD_WIDTH - 1 - x;
7502 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7504 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7509 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7511 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7513 if (clickType == Press) ErrorPopDown();
7514 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7516 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7517 defaultPromoChoice = promoSweep;
7518 promoSweep = EmptySquare; // terminate sweep
7519 promoDefaultAltered = TRUE;
7520 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7523 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7524 if(clickType == Release) return; // ignore upclick of click-click destination
7525 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7526 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7527 if(gameInfo.holdingsWidth &&
7528 (WhiteOnMove(currentMove)
7529 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7530 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7531 // click in right holdings, for determining promotion piece
7532 ChessSquare p = boards[currentMove][y][x];
7533 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7534 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7535 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7536 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7541 DrawPosition(FALSE, boards[currentMove]);
7545 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7546 if(clickType == Press
7547 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7548 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7549 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7552 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7553 // could be static click on premove from-square: abort premove
7555 ClearPremoveHighlights();
7558 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7559 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7561 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7562 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7563 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7564 defaultPromoChoice = DefaultPromoChoice(side);
7567 autoQueen = appData.alwaysPromoteToQueen;
7571 gatingPiece = EmptySquare;
7572 if (clickType != Press) {
7573 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7574 DragPieceEnd(xPix, yPix); dragging = 0;
7575 DrawPosition(FALSE, NULL);
7579 doubleClick = FALSE;
7580 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7581 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7583 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7584 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7585 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7586 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7588 if (OKToStartUserMove(fromX, fromY)) {
7590 ReportClick("lift", x, y);
7591 MarkTargetSquares(0);
7592 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7593 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7594 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7595 promoSweep = defaultPromoChoice;
7596 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7597 Sweep(0); // Pawn that is going to promote: preview promotion piece
7598 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7600 if (appData.highlightDragging) {
7601 SetHighlights(fromX, fromY, -1, -1);
7605 } else fromX = fromY = -1;
7611 if (clickType == Press && gameMode != EditPosition) {
7616 // ignore off-board to clicks
7617 if(y < 0 || x < 0) return;
7619 /* Check if clicking again on the same color piece */
7620 fromP = boards[currentMove][fromY][fromX];
7621 toP = boards[currentMove][y][x];
7622 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7623 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7624 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7625 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7626 WhitePawn <= toP && toP <= WhiteKing &&
7627 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7628 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7629 (BlackPawn <= fromP && fromP <= BlackKing &&
7630 BlackPawn <= toP && toP <= BlackKing &&
7631 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7632 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7633 /* Clicked again on same color piece -- changed his mind */
7634 second = (x == fromX && y == fromY);
7636 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7637 second = FALSE; // first double-click rather than scond click
7638 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7640 promoDefaultAltered = FALSE;
7641 MarkTargetSquares(1);
7642 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7643 if (appData.highlightDragging) {
7644 SetHighlights(x, y, -1, -1);
7648 if (OKToStartUserMove(x, y)) {
7649 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7650 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7651 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7652 gatingPiece = boards[currentMove][fromY][fromX];
7653 else gatingPiece = doubleClick ? fromP : EmptySquare;
7655 fromY = y; dragging = 1;
7656 if(!second) ReportClick("lift", x, y);
7657 MarkTargetSquares(0);
7658 DragPieceBegin(xPix, yPix, FALSE);
7659 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7660 promoSweep = defaultPromoChoice;
7661 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7662 Sweep(0); // Pawn that is going to promote: preview promotion piece
7666 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7669 // ignore clicks on holdings
7670 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7673 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7674 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7675 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7679 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7680 DragPieceEnd(xPix, yPix); dragging = 0;
7682 // a deferred attempt to click-click move an empty square on top of a piece
7683 boards[currentMove][y][x] = EmptySquare;
7685 DrawPosition(FALSE, boards[currentMove]);
7686 fromX = fromY = -1; clearFlag = 0;
7689 if (appData.animateDragging) {
7690 /* Undo animation damage if any */
7691 DrawPosition(FALSE, NULL);
7694 /* Second up/down in same square; just abort move */
7697 gatingPiece = EmptySquare;
7698 MarkTargetSquares(1);
7701 ClearPremoveHighlights();
7703 /* First upclick in same square; start click-click mode */
7704 SetHighlights(x, y, -1, -1);
7711 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7712 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7713 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7714 DisplayMessage(_("only marked squares are legal"),"");
7715 DrawPosition(TRUE, NULL);
7716 return; // ignore to-click
7719 /* we now have a different from- and (possibly off-board) to-square */
7720 /* Completed move */
7721 if(!sweepSelecting) {
7726 piece = boards[currentMove][fromY][fromX];
7728 saveAnimate = appData.animate;
7729 if (clickType == Press) {
7730 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7731 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7732 // must be Edit Position mode with empty-square selected
7733 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7734 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7737 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7740 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7741 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7743 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7744 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7745 if(appData.sweepSelect) {
7746 promoSweep = defaultPromoChoice;
7747 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7748 selectFlag = 0; lastX = xPix; lastY = yPix;
7749 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7750 Sweep(0); // Pawn that is going to promote: preview promotion piece
7752 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7753 MarkTargetSquares(1);
7755 return; // promo popup appears on up-click
7757 /* Finish clickclick move */
7758 if (appData.animate || appData.highlightLastMove) {
7759 SetHighlights(fromX, fromY, toX, toY);
7763 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7764 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7766 if (appData.animate || appData.highlightLastMove) {
7767 SetHighlights(fromX, fromY, toX, toY);
7773 // [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
7774 /* Finish drag move */
7775 if (appData.highlightLastMove) {
7776 SetHighlights(fromX, fromY, toX, toY);
7781 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7782 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7783 dragging *= 2; // flag button-less dragging if we are dragging
7784 MarkTargetSquares(1);
7785 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7787 kill2X = killX; kill2Y = killY;
7788 killX = x; killY = y; //remeber this square as intermediate
7789 ReportClick("put", x, y); // and inform engine
7790 ReportClick("lift", x, y);
7791 MarkTargetSquares(0);
7795 DragPieceEnd(xPix, yPix); dragging = 0;
7796 /* Don't animate move and drag both */
7797 appData.animate = FALSE;
7800 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7801 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7802 ChessSquare piece = boards[currentMove][fromY][fromX];
7803 if(gameMode == EditPosition && piece != EmptySquare &&
7804 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7807 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7808 n = PieceToNumber(piece - (int)BlackPawn);
7809 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7810 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7811 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7813 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7814 n = PieceToNumber(piece);
7815 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7816 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7817 boards[currentMove][n][BOARD_WIDTH-2]++;
7819 boards[currentMove][fromY][fromX] = EmptySquare;
7823 MarkTargetSquares(1);
7824 DrawPosition(TRUE, boards[currentMove]);
7828 // off-board moves should not be highlighted
7829 if(x < 0 || y < 0) ClearHighlights();
7830 else ReportClick("put", x, y);
7832 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7834 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7836 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7837 SetHighlights(fromX, fromY, toX, toY);
7838 MarkTargetSquares(1);
7839 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7840 // [HGM] super: promotion to captured piece selected from holdings
7841 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7842 promotionChoice = TRUE;
7843 // kludge follows to temporarily execute move on display, without promoting yet
7844 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7845 boards[currentMove][toY][toX] = p;
7846 DrawPosition(FALSE, boards[currentMove]);
7847 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7848 boards[currentMove][toY][toX] = q;
7849 DisplayMessage("Click in holdings to choose piece", "");
7852 PromotionPopUp(promoChoice);
7854 int oldMove = currentMove;
7855 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7856 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7857 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7858 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7859 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7860 DrawPosition(TRUE, boards[currentMove]);
7861 MarkTargetSquares(1);
7864 appData.animate = saveAnimate;
7865 if (appData.animate || appData.animateDragging) {
7866 /* Undo animation damage if needed */
7867 DrawPosition(FALSE, NULL);
7872 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7873 { // front-end-free part taken out of PieceMenuPopup
7874 int whichMenu; int xSqr, ySqr;
7876 if(seekGraphUp) { // [HGM] seekgraph
7877 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7878 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7882 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7883 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7884 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7885 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7886 if(action == Press) {
7887 originalFlip = flipView;
7888 flipView = !flipView; // temporarily flip board to see game from partners perspective
7889 DrawPosition(TRUE, partnerBoard);
7890 DisplayMessage(partnerStatus, "");
7892 } else if(action == Release) {
7893 flipView = originalFlip;
7894 DrawPosition(TRUE, boards[currentMove]);
7900 xSqr = EventToSquare(x, BOARD_WIDTH);
7901 ySqr = EventToSquare(y, BOARD_HEIGHT);
7902 if (action == Release) {
7903 if(pieceSweep != EmptySquare) {
7904 EditPositionMenuEvent(pieceSweep, toX, toY);
7905 pieceSweep = EmptySquare;
7906 } else UnLoadPV(); // [HGM] pv
7908 if (action != Press) return -2; // return code to be ignored
7911 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7913 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7914 if (xSqr < 0 || ySqr < 0) return -1;
7915 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7916 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7917 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7918 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7922 if(!appData.icsEngineAnalyze) return -1;
7923 case IcsPlayingWhite:
7924 case IcsPlayingBlack:
7925 if(!appData.zippyPlay) goto noZip;
7928 case MachinePlaysWhite:
7929 case MachinePlaysBlack:
7930 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7931 if (!appData.dropMenu) {
7933 return 2; // flag front-end to grab mouse events
7935 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7936 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7939 if (xSqr < 0 || ySqr < 0) return -1;
7940 if (!appData.dropMenu || appData.testLegality &&
7941 gameInfo.variant != VariantBughouse &&
7942 gameInfo.variant != VariantCrazyhouse) return -1;
7943 whichMenu = 1; // drop menu
7949 if (((*fromX = xSqr) < 0) ||
7950 ((*fromY = ySqr) < 0)) {
7951 *fromX = *fromY = -1;
7955 *fromX = BOARD_WIDTH - 1 - *fromX;
7957 *fromY = BOARD_HEIGHT - 1 - *fromY;
7963 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7965 // char * hint = lastHint;
7966 FrontEndProgramStats stats;
7968 stats.which = cps == &first ? 0 : 1;
7969 stats.depth = cpstats->depth;
7970 stats.nodes = cpstats->nodes;
7971 stats.score = cpstats->score;
7972 stats.time = cpstats->time;
7973 stats.pv = cpstats->movelist;
7974 stats.hint = lastHint;
7975 stats.an_move_index = 0;
7976 stats.an_move_count = 0;
7978 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7979 stats.hint = cpstats->move_name;
7980 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7981 stats.an_move_count = cpstats->nr_moves;
7984 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
7986 SetProgramStats( &stats );
7990 ClearEngineOutputPane (int which)
7992 static FrontEndProgramStats dummyStats;
7993 dummyStats.which = which;
7994 dummyStats.pv = "#";
7995 SetProgramStats( &dummyStats );
7998 #define MAXPLAYERS 500
8001 TourneyStandings (int display)
8003 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8004 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8005 char result, *p, *names[MAXPLAYERS];
8007 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8008 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8009 names[0] = p = strdup(appData.participants);
8010 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8012 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8014 while(result = appData.results[nr]) {
8015 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8016 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8017 wScore = bScore = 0;
8019 case '+': wScore = 2; break;
8020 case '-': bScore = 2; break;
8021 case '=': wScore = bScore = 1; break;
8023 case '*': return strdup("busy"); // tourney not finished
8031 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8032 for(w=0; w<nPlayers; w++) {
8034 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8035 ranking[w] = b; points[w] = bScore; score[b] = -2;
8037 p = malloc(nPlayers*34+1);
8038 for(w=0; w<nPlayers && w<display; w++)
8039 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8045 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8046 { // count all piece types
8048 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8049 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8050 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8053 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8054 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8055 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8056 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8057 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8058 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8063 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8065 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8066 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8068 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8069 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8070 if(myPawns == 2 && nMine == 3) // KPP
8071 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8072 if(myPawns == 1 && nMine == 2) // KP
8073 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8074 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8075 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8076 if(myPawns) return FALSE;
8077 if(pCnt[WhiteRook+side])
8078 return pCnt[BlackRook-side] ||
8079 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8080 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8081 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8082 if(pCnt[WhiteCannon+side]) {
8083 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8084 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8086 if(pCnt[WhiteKnight+side])
8087 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8092 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8094 VariantClass v = gameInfo.variant;
8096 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8097 if(v == VariantShatranj) return TRUE; // always winnable through baring
8098 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8099 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8101 if(v == VariantXiangqi) {
8102 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8104 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8105 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8106 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8107 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8108 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8109 if(stale) // we have at least one last-rank P plus perhaps C
8110 return majors // KPKX
8111 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8113 return pCnt[WhiteFerz+side] // KCAK
8114 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8115 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8116 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8118 } else if(v == VariantKnightmate) {
8119 if(nMine == 1) return FALSE;
8120 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8121 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8122 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8124 if(nMine == 1) return FALSE; // bare King
8125 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
8126 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8127 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8128 // by now we have King + 1 piece (or multiple Bishops on the same color)
8129 if(pCnt[WhiteKnight+side])
8130 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8131 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8132 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8134 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8135 if(pCnt[WhiteAlfil+side])
8136 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8137 if(pCnt[WhiteWazir+side])
8138 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8145 CompareWithRights (Board b1, Board b2)
8148 if(!CompareBoards(b1, b2)) return FALSE;
8149 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8150 /* compare castling rights */
8151 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8152 rights++; /* King lost rights, while rook still had them */
8153 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8154 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8155 rights++; /* but at least one rook lost them */
8157 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8159 if( b1[CASTLING][5] != NoRights ) {
8160 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8167 Adjudicate (ChessProgramState *cps)
8168 { // [HGM] some adjudications useful with buggy engines
8169 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8170 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8171 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8172 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8173 int k, drop, count = 0; static int bare = 1;
8174 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8175 Boolean canAdjudicate = !appData.icsActive;
8177 // most tests only when we understand the game, i.e. legality-checking on
8178 if( appData.testLegality )
8179 { /* [HGM] Some more adjudications for obstinate engines */
8180 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8181 static int moveCount = 6;
8183 char *reason = NULL;
8185 /* Count what is on board. */
8186 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8188 /* Some material-based adjudications that have to be made before stalemate test */
8189 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8190 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8191 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8192 if(canAdjudicate && appData.checkMates) {
8194 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8195 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8196 "Xboard adjudication: King destroyed", GE_XBOARD );
8201 /* Bare King in Shatranj (loses) or Losers (wins) */
8202 if( nrW == 1 || nrB == 1) {
8203 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8204 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8205 if(canAdjudicate && appData.checkMates) {
8207 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8208 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8209 "Xboard adjudication: Bare king", GE_XBOARD );
8213 if( gameInfo.variant == VariantShatranj && --bare < 0)
8215 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8216 if(canAdjudicate && appData.checkMates) {
8217 /* but only adjudicate if adjudication enabled */
8219 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8220 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8221 "Xboard adjudication: Bare king", GE_XBOARD );
8228 // don't wait for engine to announce game end if we can judge ourselves
8229 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8231 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8232 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8233 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8234 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8237 reason = "Xboard adjudication: 3rd check";
8238 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8249 reason = "Xboard adjudication: Stalemate";
8250 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8251 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8252 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8253 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8254 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8255 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8256 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8257 EP_CHECKMATE : EP_WINS);
8258 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8259 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8263 reason = "Xboard adjudication: Checkmate";
8264 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8265 if(gameInfo.variant == VariantShogi) {
8266 if(forwardMostMove > backwardMostMove
8267 && moveList[forwardMostMove-1][1] == '@'
8268 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8269 reason = "XBoard adjudication: pawn-drop mate";
8270 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8276 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8278 result = GameIsDrawn; break;
8280 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8282 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8286 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8288 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8289 GameEnds( result, reason, GE_XBOARD );
8293 /* Next absolutely insufficient mating material. */
8294 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8295 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8296 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8298 /* always flag draws, for judging claims */
8299 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8301 if(canAdjudicate && appData.materialDraws) {
8302 /* but only adjudicate them if adjudication enabled */
8303 if(engineOpponent) {
8304 SendToProgram("force\n", engineOpponent); // suppress reply
8305 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8307 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8312 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8313 if(gameInfo.variant == VariantXiangqi ?
8314 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8316 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8317 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8318 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8319 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8321 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8322 { /* if the first 3 moves do not show a tactical win, declare draw */
8323 if(engineOpponent) {
8324 SendToProgram("force\n", engineOpponent); // suppress reply
8325 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8327 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8330 } else moveCount = 6;
8333 // Repetition draws and 50-move rule can be applied independently of legality testing
8335 /* Check for rep-draws */
8337 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8338 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8339 for(k = forwardMostMove-2;
8340 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8341 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8342 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8345 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8346 /* compare castling rights */
8347 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8348 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8349 rights++; /* King lost rights, while rook still had them */
8350 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8351 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8352 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8353 rights++; /* but at least one rook lost them */
8355 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8356 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8358 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8359 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8360 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8363 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8364 && appData.drawRepeats > 1) {
8365 /* adjudicate after user-specified nr of repeats */
8366 int result = GameIsDrawn;
8367 char *details = "XBoard adjudication: repetition draw";
8368 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8369 // [HGM] xiangqi: check for forbidden perpetuals
8370 int m, ourPerpetual = 1, hisPerpetual = 1;
8371 for(m=forwardMostMove; m>k; m-=2) {
8372 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8373 ourPerpetual = 0; // the current mover did not always check
8374 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8375 hisPerpetual = 0; // the opponent did not always check
8377 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8378 ourPerpetual, hisPerpetual);
8379 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8380 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8381 details = "Xboard adjudication: perpetual checking";
8383 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8384 break; // (or we would have caught him before). Abort repetition-checking loop.
8386 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8387 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8389 details = "Xboard adjudication: repetition";
8391 } else // it must be XQ
8392 // Now check for perpetual chases
8393 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8394 hisPerpetual = PerpetualChase(k, forwardMostMove);
8395 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8396 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8397 static char resdet[MSG_SIZ];
8398 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8400 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8402 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8403 break; // Abort repetition-checking loop.
8405 // if neither of us is checking or chasing all the time, or both are, it is draw
8407 if(engineOpponent) {
8408 SendToProgram("force\n", engineOpponent); // suppress reply
8409 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8411 GameEnds( result, details, GE_XBOARD );
8414 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8415 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8419 /* Now we test for 50-move draws. Determine ply count */
8420 count = forwardMostMove;
8421 /* look for last irreversble move */
8422 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8424 /* if we hit starting position, add initial plies */
8425 if( count == backwardMostMove )
8426 count -= initialRulePlies;
8427 count = forwardMostMove - count;
8428 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8429 // adjust reversible move counter for checks in Xiangqi
8430 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8431 if(i < backwardMostMove) i = backwardMostMove;
8432 while(i <= forwardMostMove) {
8433 lastCheck = inCheck; // check evasion does not count
8434 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8435 if(inCheck || lastCheck) count--; // check does not count
8440 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8441 /* this is used to judge if draw claims are legal */
8442 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8443 if(engineOpponent) {
8444 SendToProgram("force\n", engineOpponent); // suppress reply
8445 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8447 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8451 /* if draw offer is pending, treat it as a draw claim
8452 * when draw condition present, to allow engines a way to
8453 * claim draws before making their move to avoid a race
8454 * condition occurring after their move
8456 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8458 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8459 p = "Draw claim: 50-move rule";
8460 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8461 p = "Draw claim: 3-fold repetition";
8462 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8463 p = "Draw claim: insufficient mating material";
8464 if( p != NULL && canAdjudicate) {
8465 if(engineOpponent) {
8466 SendToProgram("force\n", engineOpponent); // suppress reply
8467 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8469 GameEnds( GameIsDrawn, p, GE_XBOARD );
8474 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8475 if(engineOpponent) {
8476 SendToProgram("force\n", engineOpponent); // suppress reply
8477 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8479 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8485 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8486 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8487 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8492 int pieces[10], squares[10], cnt=0, r, f, res;
8494 static PPROBE_EGBB probeBB;
8495 if(!appData.testLegality) return 10;
8496 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8497 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8498 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8499 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8500 ChessSquare piece = boards[forwardMostMove][r][f];
8501 int black = (piece >= BlackPawn);
8502 int type = piece - black*BlackPawn;
8503 if(piece == EmptySquare) continue;
8504 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8505 if(type == WhiteKing) type = WhiteQueen + 1;
8506 type = egbbCode[type];
8507 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8508 pieces[cnt] = type + black*6;
8509 if(++cnt > 5) return 11;
8511 pieces[cnt] = squares[cnt] = 0;
8513 if(loaded == 2) return 13; // loading failed before
8515 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8518 loaded = 2; // prepare for failure
8519 if(!path) return 13; // no egbb installed
8520 strncpy(buf, path + 8, MSG_SIZ);
8521 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8522 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8523 lib = LoadLibrary(buf);
8524 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8525 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8526 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8527 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8528 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8529 loaded = 1; // success!
8531 res = probeBB(forwardMostMove & 1, pieces, squares);
8532 return res > 0 ? 1 : res < 0 ? -1 : 0;
8536 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8537 { // [HGM] book: this routine intercepts moves to simulate book replies
8538 char *bookHit = NULL;
8540 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8542 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8543 SendToProgram(buf, cps);
8545 //first determine if the incoming move brings opponent into his book
8546 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8547 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8548 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8549 if(bookHit != NULL && !cps->bookSuspend) {
8550 // make sure opponent is not going to reply after receiving move to book position
8551 SendToProgram("force\n", cps);
8552 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8554 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8555 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8556 // now arrange restart after book miss
8558 // after a book hit we never send 'go', and the code after the call to this routine
8559 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8560 char buf[MSG_SIZ], *move = bookHit;
8562 int fromX, fromY, toX, toY;
8566 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8567 &fromX, &fromY, &toX, &toY, &promoChar)) {
8568 (void) CoordsToAlgebraic(boards[forwardMostMove],
8569 PosFlags(forwardMostMove),
8570 fromY, fromX, toY, toX, promoChar, move);
8572 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8576 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8577 SendToProgram(buf, cps);
8578 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8579 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8580 SendToProgram("go\n", cps);
8581 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8582 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8583 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8584 SendToProgram("go\n", cps);
8585 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8587 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8591 LoadError (char *errmess, ChessProgramState *cps)
8592 { // unloads engine and switches back to -ncp mode if it was first
8593 if(cps->initDone) return FALSE;
8594 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8595 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8598 appData.noChessProgram = TRUE;
8599 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8600 gameMode = BeginningOfGame; ModeHighlight();
8603 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8604 DisplayMessage("", ""); // erase waiting message
8605 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8610 ChessProgramState *savedState;
8612 DeferredBookMove (void)
8614 if(savedState->lastPing != savedState->lastPong)
8615 ScheduleDelayedEvent(DeferredBookMove, 10);
8617 HandleMachineMove(savedMessage, savedState);
8620 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8621 static ChessProgramState *stalledEngine;
8622 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8625 HandleMachineMove (char *message, ChessProgramState *cps)
8627 static char firstLeg[20];
8628 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8629 char realname[MSG_SIZ];
8630 int fromX, fromY, toX, toY;
8632 char promoChar, roar;
8634 int machineWhite, oldError;
8637 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8638 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8639 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8640 DisplayError(_("Invalid pairing from pairing engine"), 0);
8643 pairingReceived = 1;
8645 return; // Skim the pairing messages here.
8648 oldError = cps->userError; cps->userError = 0;
8650 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8652 * Kludge to ignore BEL characters
8654 while (*message == '\007') message++;
8657 * [HGM] engine debug message: ignore lines starting with '#' character
8659 if(cps->debug && *message == '#') return;
8662 * Look for book output
8664 if (cps == &first && bookRequested) {
8665 if (message[0] == '\t' || message[0] == ' ') {
8666 /* Part of the book output is here; append it */
8667 strcat(bookOutput, message);
8668 strcat(bookOutput, " \n");
8670 } else if (bookOutput[0] != NULLCHAR) {
8671 /* All of book output has arrived; display it */
8672 char *p = bookOutput;
8673 while (*p != NULLCHAR) {
8674 if (*p == '\t') *p = ' ';
8677 DisplayInformation(bookOutput);
8678 bookRequested = FALSE;
8679 /* Fall through to parse the current output */
8684 * Look for machine move.
8686 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8687 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8689 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8690 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8691 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8692 stalledEngine = cps;
8693 if(appData.ponderNextMove) { // bring opponent out of ponder
8694 if(gameMode == TwoMachinesPlay) {
8695 if(cps->other->pause)
8696 PauseEngine(cps->other);
8698 SendToProgram("easy\n", cps->other);
8707 /* This method is only useful on engines that support ping */
8708 if(abortEngineThink) {
8709 if (appData.debugMode) {
8710 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8712 SendToProgram("undo\n", cps);
8716 if (cps->lastPing != cps->lastPong) {
8717 /* Extra move from before last new; ignore */
8718 if (appData.debugMode) {
8719 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8727 case BeginningOfGame:
8728 /* Extra move from before last reset; ignore */
8729 if (appData.debugMode) {
8730 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8737 /* Extra move after we tried to stop. The mode test is
8738 not a reliable way of detecting this problem, but it's
8739 the best we can do on engines that don't support ping.
8741 if (appData.debugMode) {
8742 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8743 cps->which, gameMode);
8745 SendToProgram("undo\n", cps);
8748 case MachinePlaysWhite:
8749 case IcsPlayingWhite:
8750 machineWhite = TRUE;
8753 case MachinePlaysBlack:
8754 case IcsPlayingBlack:
8755 machineWhite = FALSE;
8758 case TwoMachinesPlay:
8759 machineWhite = (cps->twoMachinesColor[0] == 'w');
8762 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8763 if (appData.debugMode) {
8765 "Ignoring move out of turn by %s, gameMode %d"
8766 ", forwardMost %d\n",
8767 cps->which, gameMode, forwardMostMove);
8773 if(cps->alphaRank) AlphaRank(machineMove, 4);
8775 // [HGM] lion: (some very limited) support for Alien protocol
8776 killX = killY = kill2X = kill2Y = -1;
8777 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8778 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8781 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8782 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8783 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8785 if(firstLeg[0]) { // there was a previous leg;
8786 // only support case where same piece makes two step
8787 char buf[20], *p = machineMove+1, *q = buf+1, f;
8788 safeStrCpy(buf, machineMove, 20);
8789 while(isdigit(*q)) q++; // find start of to-square
8790 safeStrCpy(machineMove, firstLeg, 20);
8791 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8792 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8793 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8794 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8795 firstLeg[0] = NULLCHAR;
8798 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8799 &fromX, &fromY, &toX, &toY, &promoChar)) {
8800 /* Machine move could not be parsed; ignore it. */
8801 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8802 machineMove, _(cps->which));
8803 DisplayMoveError(buf1);
8804 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8805 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8806 if (gameMode == TwoMachinesPlay) {
8807 GameEnds(machineWhite ? BlackWins : WhiteWins,
8813 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8814 /* So we have to redo legality test with true e.p. status here, */
8815 /* to make sure an illegal e.p. capture does not slip through, */
8816 /* to cause a forfeit on a justified illegal-move complaint */
8817 /* of the opponent. */
8818 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8820 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8821 fromY, fromX, toY, toX, promoChar);
8822 if(moveType == IllegalMove) {
8823 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8824 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8825 GameEnds(machineWhite ? BlackWins : WhiteWins,
8828 } else if(!appData.fischerCastling)
8829 /* [HGM] Kludge to handle engines that send FRC-style castling
8830 when they shouldn't (like TSCP-Gothic) */
8832 case WhiteASideCastleFR:
8833 case BlackASideCastleFR:
8835 currentMoveString[2]++;
8837 case WhiteHSideCastleFR:
8838 case BlackHSideCastleFR:
8840 currentMoveString[2]--;
8842 default: ; // nothing to do, but suppresses warning of pedantic compilers
8845 hintRequested = FALSE;
8846 lastHint[0] = NULLCHAR;
8847 bookRequested = FALSE;
8848 /* Program may be pondering now */
8849 cps->maybeThinking = TRUE;
8850 if (cps->sendTime == 2) cps->sendTime = 1;
8851 if (cps->offeredDraw) cps->offeredDraw--;
8853 /* [AS] Save move info*/
8854 pvInfoList[ forwardMostMove ].score = programStats.score;
8855 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8856 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8858 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8860 /* Test suites abort the 'game' after one move */
8861 if(*appData.finger) {
8863 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8864 if(!f) f = fopen(appData.finger, "w");
8865 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8866 else { DisplayFatalError("Bad output file", errno, 0); return; }
8868 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8871 if(solvingTime >= 0) {
8872 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8873 totalTime += solvingTime; first.matchWins++;
8875 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8878 OutputKibitz(2, buf1);
8879 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8882 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8883 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8886 while( count < adjudicateLossPlies ) {
8887 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8890 score = -score; /* Flip score for winning side */
8893 if( score > appData.adjudicateLossThreshold ) {
8900 if( count >= adjudicateLossPlies ) {
8901 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8903 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8904 "Xboard adjudication",
8911 if(Adjudicate(cps)) {
8912 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8913 return; // [HGM] adjudicate: for all automatic game ends
8917 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8919 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8920 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8922 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8924 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8926 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8927 char buf[3*MSG_SIZ];
8929 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8930 programStats.score / 100.,
8932 programStats.time / 100.,
8933 (unsigned int)programStats.nodes,
8934 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8935 programStats.movelist);
8941 /* [AS] Clear stats for next move */
8942 ClearProgramStats();
8943 thinkOutput[0] = NULLCHAR;
8944 hiddenThinkOutputState = 0;
8947 if (gameMode == TwoMachinesPlay) {
8948 /* [HGM] relaying draw offers moved to after reception of move */
8949 /* and interpreting offer as claim if it brings draw condition */
8950 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8951 SendToProgram("draw\n", cps->other);
8953 if (cps->other->sendTime) {
8954 SendTimeRemaining(cps->other,
8955 cps->other->twoMachinesColor[0] == 'w');
8957 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8958 if (firstMove && !bookHit) {
8960 if (cps->other->useColors) {
8961 SendToProgram(cps->other->twoMachinesColor, cps->other);
8963 SendToProgram("go\n", cps->other);
8965 cps->other->maybeThinking = TRUE;
8968 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8970 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8972 if (!pausing && appData.ringBellAfterMoves) {
8973 if(!roar) RingBell();
8977 * Reenable menu items that were disabled while
8978 * machine was thinking
8980 if (gameMode != TwoMachinesPlay)
8981 SetUserThinkingEnables();
8983 // [HGM] book: after book hit opponent has received move and is now in force mode
8984 // force the book reply into it, and then fake that it outputted this move by jumping
8985 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8987 static char bookMove[MSG_SIZ]; // a bit generous?
8989 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8990 strcat(bookMove, bookHit);
8993 programStats.nodes = programStats.depth = programStats.time =
8994 programStats.score = programStats.got_only_move = 0;
8995 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8997 if(cps->lastPing != cps->lastPong) {
8998 savedMessage = message; // args for deferred call
9000 ScheduleDelayedEvent(DeferredBookMove, 10);
9009 /* Set special modes for chess engines. Later something general
9010 * could be added here; for now there is just one kludge feature,
9011 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9012 * when "xboard" is given as an interactive command.
9014 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9015 cps->useSigint = FALSE;
9016 cps->useSigterm = FALSE;
9018 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9019 ParseFeatures(message+8, cps);
9020 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9023 if (!strncmp(message, "setup ", 6) &&
9024 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9025 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9026 ) { // [HGM] allow first engine to define opening position
9027 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9028 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9030 if(sscanf(message, "setup (%s", buf) == 1) {
9031 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9032 ASSIGN(appData.pieceToCharTable, buf);
9034 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9036 while(message[s] && message[s++] != ' ');
9037 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9038 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9039 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9040 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9041 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9042 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9043 startedFromSetupPosition = FALSE;
9046 if(startedFromSetupPosition) return;
9047 ParseFEN(boards[0], &dummy, message+s, FALSE);
9048 DrawPosition(TRUE, boards[0]);
9049 CopyBoard(initialPosition, boards[0]);
9050 startedFromSetupPosition = TRUE;
9053 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9054 ChessSquare piece = WhitePawn;
9055 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9056 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9057 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9058 piece += CharToPiece(ID & 255) - WhitePawn;
9059 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9060 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9061 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9062 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9063 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9064 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9065 && gameInfo.variant != VariantGreat
9066 && gameInfo.variant != VariantFairy ) return;
9067 if(piece < EmptySquare) {
9069 ASSIGN(pieceDesc[piece], buf1);
9070 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9074 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9075 promoSweep = PieceToChar(forwardMostMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9079 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9080 * want this, I was asked to put it in, and obliged.
9082 if (!strncmp(message, "setboard ", 9)) {
9083 Board initial_position;
9085 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9087 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9088 DisplayError(_("Bad FEN received from engine"), 0);
9092 CopyBoard(boards[0], initial_position);
9093 initialRulePlies = FENrulePlies;
9094 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9095 else gameMode = MachinePlaysBlack;
9096 DrawPosition(FALSE, boards[currentMove]);
9102 * Look for communication commands
9104 if (!strncmp(message, "telluser ", 9)) {
9105 if(message[9] == '\\' && message[10] == '\\')
9106 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9108 DisplayNote(message + 9);
9111 if (!strncmp(message, "tellusererror ", 14)) {
9113 if(message[14] == '\\' && message[15] == '\\')
9114 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9116 DisplayError(message + 14, 0);
9119 if (!strncmp(message, "tellopponent ", 13)) {
9120 if (appData.icsActive) {
9122 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9126 DisplayNote(message + 13);
9130 if (!strncmp(message, "tellothers ", 11)) {
9131 if (appData.icsActive) {
9133 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9136 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9139 if (!strncmp(message, "tellall ", 8)) {
9140 if (appData.icsActive) {
9142 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9146 DisplayNote(message + 8);
9150 if (strncmp(message, "warning", 7) == 0) {
9151 /* Undocumented feature, use tellusererror in new code */
9152 DisplayError(message, 0);
9155 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9156 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9157 strcat(realname, " query");
9158 AskQuestion(realname, buf2, buf1, cps->pr);
9161 /* Commands from the engine directly to ICS. We don't allow these to be
9162 * sent until we are logged on. Crafty kibitzes have been known to
9163 * interfere with the login process.
9166 if (!strncmp(message, "tellics ", 8)) {
9167 SendToICS(message + 8);
9171 if (!strncmp(message, "tellicsnoalias ", 15)) {
9172 SendToICS(ics_prefix);
9173 SendToICS(message + 15);
9177 /* The following are for backward compatibility only */
9178 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9179 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9180 SendToICS(ics_prefix);
9186 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9187 if(initPing == cps->lastPong) {
9188 if(gameInfo.variant == VariantUnknown) {
9189 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9190 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9191 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9195 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9196 abortEngineThink = FALSE;
9197 DisplayMessage("", "");
9202 if(!strncmp(message, "highlight ", 10)) {
9203 if(appData.testLegality && !*engineVariant && appData.markers) return;
9204 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9207 if(!strncmp(message, "click ", 6)) {
9208 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9209 if(appData.testLegality || !appData.oneClick) return;
9210 sscanf(message+6, "%c%d%c", &f, &y, &c);
9211 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9212 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9213 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9214 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9215 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9216 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9217 LeftClick(Release, lastLeftX, lastLeftY);
9218 controlKey = (c == ',');
9219 LeftClick(Press, x, y);
9220 LeftClick(Release, x, y);
9221 first.highlight = f;
9225 * If the move is illegal, cancel it and redraw the board.
9226 * Also deal with other error cases. Matching is rather loose
9227 * here to accommodate engines written before the spec.
9229 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9230 strncmp(message, "Error", 5) == 0) {
9231 if (StrStr(message, "name") ||
9232 StrStr(message, "rating") || StrStr(message, "?") ||
9233 StrStr(message, "result") || StrStr(message, "board") ||
9234 StrStr(message, "bk") || StrStr(message, "computer") ||
9235 StrStr(message, "variant") || StrStr(message, "hint") ||
9236 StrStr(message, "random") || StrStr(message, "depth") ||
9237 StrStr(message, "accepted")) {
9240 if (StrStr(message, "protover")) {
9241 /* Program is responding to input, so it's apparently done
9242 initializing, and this error message indicates it is
9243 protocol version 1. So we don't need to wait any longer
9244 for it to initialize and send feature commands. */
9245 FeatureDone(cps, 1);
9246 cps->protocolVersion = 1;
9249 cps->maybeThinking = FALSE;
9251 if (StrStr(message, "draw")) {
9252 /* Program doesn't have "draw" command */
9253 cps->sendDrawOffers = 0;
9256 if (cps->sendTime != 1 &&
9257 (StrStr(message, "time") || StrStr(message, "otim"))) {
9258 /* Program apparently doesn't have "time" or "otim" command */
9262 if (StrStr(message, "analyze")) {
9263 cps->analysisSupport = FALSE;
9264 cps->analyzing = FALSE;
9265 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9266 EditGameEvent(); // [HGM] try to preserve loaded game
9267 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9268 DisplayError(buf2, 0);
9271 if (StrStr(message, "(no matching move)st")) {
9272 /* Special kludge for GNU Chess 4 only */
9273 cps->stKludge = TRUE;
9274 SendTimeControl(cps, movesPerSession, timeControl,
9275 timeIncrement, appData.searchDepth,
9279 if (StrStr(message, "(no matching move)sd")) {
9280 /* Special kludge for GNU Chess 4 only */
9281 cps->sdKludge = TRUE;
9282 SendTimeControl(cps, movesPerSession, timeControl,
9283 timeIncrement, appData.searchDepth,
9287 if (!StrStr(message, "llegal")) {
9290 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9291 gameMode == IcsIdle) return;
9292 if (forwardMostMove <= backwardMostMove) return;
9293 if (pausing) PauseEvent();
9294 if(appData.forceIllegal) {
9295 // [HGM] illegal: machine refused move; force position after move into it
9296 SendToProgram("force\n", cps);
9297 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9298 // we have a real problem now, as SendBoard will use the a2a3 kludge
9299 // when black is to move, while there might be nothing on a2 or black
9300 // might already have the move. So send the board as if white has the move.
9301 // But first we must change the stm of the engine, as it refused the last move
9302 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9303 if(WhiteOnMove(forwardMostMove)) {
9304 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9305 SendBoard(cps, forwardMostMove); // kludgeless board
9307 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9308 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9309 SendBoard(cps, forwardMostMove+1); // kludgeless board
9311 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9312 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9313 gameMode == TwoMachinesPlay)
9314 SendToProgram("go\n", cps);
9317 if (gameMode == PlayFromGameFile) {
9318 /* Stop reading this game file */
9319 gameMode = EditGame;
9322 /* [HGM] illegal-move claim should forfeit game when Xboard */
9323 /* only passes fully legal moves */
9324 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9325 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9326 "False illegal-move claim", GE_XBOARD );
9327 return; // do not take back move we tested as valid
9329 currentMove = forwardMostMove-1;
9330 DisplayMove(currentMove-1); /* before DisplayMoveError */
9331 SwitchClocks(forwardMostMove-1); // [HGM] race
9332 DisplayBothClocks();
9333 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9334 parseList[currentMove], _(cps->which));
9335 DisplayMoveError(buf1);
9336 DrawPosition(FALSE, boards[currentMove]);
9338 SetUserThinkingEnables();
9341 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9342 /* Program has a broken "time" command that
9343 outputs a string not ending in newline.
9347 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9348 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9349 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9353 * If chess program startup fails, exit with an error message.
9354 * Attempts to recover here are futile. [HGM] Well, we try anyway
9356 if ((StrStr(message, "unknown host") != NULL)
9357 || (StrStr(message, "No remote directory") != NULL)
9358 || (StrStr(message, "not found") != NULL)
9359 || (StrStr(message, "No such file") != NULL)
9360 || (StrStr(message, "can't alloc") != NULL)
9361 || (StrStr(message, "Permission denied") != NULL)) {
9363 cps->maybeThinking = FALSE;
9364 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9365 _(cps->which), cps->program, cps->host, message);
9366 RemoveInputSource(cps->isr);
9367 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9368 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9369 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9375 * Look for hint output
9377 if (sscanf(message, "Hint: %s", buf1) == 1) {
9378 if (cps == &first && hintRequested) {
9379 hintRequested = FALSE;
9380 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9381 &fromX, &fromY, &toX, &toY, &promoChar)) {
9382 (void) CoordsToAlgebraic(boards[forwardMostMove],
9383 PosFlags(forwardMostMove),
9384 fromY, fromX, toY, toX, promoChar, buf1);
9385 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9386 DisplayInformation(buf2);
9388 /* Hint move could not be parsed!? */
9389 snprintf(buf2, sizeof(buf2),
9390 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9391 buf1, _(cps->which));
9392 DisplayError(buf2, 0);
9395 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9401 * Ignore other messages if game is not in progress
9403 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9404 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9407 * look for win, lose, draw, or draw offer
9409 if (strncmp(message, "1-0", 3) == 0) {
9410 char *p, *q, *r = "";
9411 p = strchr(message, '{');
9419 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9421 } else if (strncmp(message, "0-1", 3) == 0) {
9422 char *p, *q, *r = "";
9423 p = strchr(message, '{');
9431 /* Kludge for Arasan 4.1 bug */
9432 if (strcmp(r, "Black resigns") == 0) {
9433 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9436 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9438 } else if (strncmp(message, "1/2", 3) == 0) {
9439 char *p, *q, *r = "";
9440 p = strchr(message, '{');
9449 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9452 } else if (strncmp(message, "White resign", 12) == 0) {
9453 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9455 } else if (strncmp(message, "Black resign", 12) == 0) {
9456 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9458 } else if (strncmp(message, "White matches", 13) == 0 ||
9459 strncmp(message, "Black matches", 13) == 0 ) {
9460 /* [HGM] ignore GNUShogi noises */
9462 } else if (strncmp(message, "White", 5) == 0 &&
9463 message[5] != '(' &&
9464 StrStr(message, "Black") == NULL) {
9465 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9467 } else if (strncmp(message, "Black", 5) == 0 &&
9468 message[5] != '(') {
9469 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9471 } else if (strcmp(message, "resign") == 0 ||
9472 strcmp(message, "computer resigns") == 0) {
9474 case MachinePlaysBlack:
9475 case IcsPlayingBlack:
9476 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9478 case MachinePlaysWhite:
9479 case IcsPlayingWhite:
9480 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9482 case TwoMachinesPlay:
9483 if (cps->twoMachinesColor[0] == 'w')
9484 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9486 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9493 } else if (strncmp(message, "opponent mates", 14) == 0) {
9495 case MachinePlaysBlack:
9496 case IcsPlayingBlack:
9497 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9499 case MachinePlaysWhite:
9500 case IcsPlayingWhite:
9501 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9503 case TwoMachinesPlay:
9504 if (cps->twoMachinesColor[0] == 'w')
9505 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9507 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9514 } else if (strncmp(message, "computer mates", 14) == 0) {
9516 case MachinePlaysBlack:
9517 case IcsPlayingBlack:
9518 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9520 case MachinePlaysWhite:
9521 case IcsPlayingWhite:
9522 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9524 case TwoMachinesPlay:
9525 if (cps->twoMachinesColor[0] == 'w')
9526 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9528 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9535 } else if (strncmp(message, "checkmate", 9) == 0) {
9536 if (WhiteOnMove(forwardMostMove)) {
9537 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9539 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9542 } else if (strstr(message, "Draw") != NULL ||
9543 strstr(message, "game is a draw") != NULL) {
9544 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9546 } else if (strstr(message, "offer") != NULL &&
9547 strstr(message, "draw") != NULL) {
9549 if (appData.zippyPlay && first.initDone) {
9550 /* Relay offer to ICS */
9551 SendToICS(ics_prefix);
9552 SendToICS("draw\n");
9555 cps->offeredDraw = 2; /* valid until this engine moves twice */
9556 if (gameMode == TwoMachinesPlay) {
9557 if (cps->other->offeredDraw) {
9558 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9559 /* [HGM] in two-machine mode we delay relaying draw offer */
9560 /* until after we also have move, to see if it is really claim */
9562 } else if (gameMode == MachinePlaysWhite ||
9563 gameMode == MachinePlaysBlack) {
9564 if (userOfferedDraw) {
9565 DisplayInformation(_("Machine accepts your draw offer"));
9566 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9568 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9575 * Look for thinking output
9577 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9578 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9580 int plylev, mvleft, mvtot, curscore, time;
9581 char mvname[MOVE_LEN];
9585 int prefixHint = FALSE;
9586 mvname[0] = NULLCHAR;
9589 case MachinePlaysBlack:
9590 case IcsPlayingBlack:
9591 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9593 case MachinePlaysWhite:
9594 case IcsPlayingWhite:
9595 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9600 case IcsObserving: /* [DM] icsEngineAnalyze */
9601 if (!appData.icsEngineAnalyze) ignore = TRUE;
9603 case TwoMachinesPlay:
9604 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9614 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9616 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9617 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9618 char score_buf[MSG_SIZ];
9620 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9621 nodes += u64Const(0x100000000);
9623 if (plyext != ' ' && plyext != '\t') {
9627 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9628 if( cps->scoreIsAbsolute &&
9629 ( gameMode == MachinePlaysBlack ||
9630 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9631 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9632 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9633 !WhiteOnMove(currentMove)
9636 curscore = -curscore;
9639 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9641 if(*bestMove) { // rememer time best EPD move was first found
9642 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9644 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9645 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9646 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9649 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9652 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9653 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9654 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9655 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9656 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9657 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9661 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9662 DisplayError(_("failed writing PV"), 0);
9665 tempStats.depth = plylev;
9666 tempStats.nodes = nodes;
9667 tempStats.time = time;
9668 tempStats.score = curscore;
9669 tempStats.got_only_move = 0;
9671 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9674 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9675 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9676 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9677 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9678 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9679 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9680 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9681 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9684 /* Buffer overflow protection */
9685 if (pv[0] != NULLCHAR) {
9686 if (strlen(pv) >= sizeof(tempStats.movelist)
9687 && appData.debugMode) {
9689 "PV is too long; using the first %u bytes.\n",
9690 (unsigned) sizeof(tempStats.movelist) - 1);
9693 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9695 sprintf(tempStats.movelist, " no PV\n");
9698 if (tempStats.seen_stat) {
9699 tempStats.ok_to_send = 1;
9702 if (strchr(tempStats.movelist, '(') != NULL) {
9703 tempStats.line_is_book = 1;
9704 tempStats.nr_moves = 0;
9705 tempStats.moves_left = 0;
9707 tempStats.line_is_book = 0;
9710 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9711 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9713 SendProgramStatsToFrontend( cps, &tempStats );
9716 [AS] Protect the thinkOutput buffer from overflow... this
9717 is only useful if buf1 hasn't overflowed first!
9719 if(curscore >= MATE_SCORE)
9720 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9721 else if(curscore <= -MATE_SCORE)
9722 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9724 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9725 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9727 (gameMode == TwoMachinesPlay ?
9728 ToUpper(cps->twoMachinesColor[0]) : ' '),
9730 prefixHint ? lastHint : "",
9731 prefixHint ? " " : "" );
9733 if( buf1[0] != NULLCHAR ) {
9734 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9736 if( strlen(pv) > max_len ) {
9737 if( appData.debugMode) {
9738 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9740 pv[max_len+1] = '\0';
9743 strcat( thinkOutput, pv);
9746 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9747 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9748 DisplayMove(currentMove - 1);
9752 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9753 /* crafty (9.25+) says "(only move) <move>"
9754 * if there is only 1 legal move
9756 sscanf(p, "(only move) %s", buf1);
9757 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9758 sprintf(programStats.movelist, "%s (only move)", buf1);
9759 programStats.depth = 1;
9760 programStats.nr_moves = 1;
9761 programStats.moves_left = 1;
9762 programStats.nodes = 1;
9763 programStats.time = 1;
9764 programStats.got_only_move = 1;
9766 /* Not really, but we also use this member to
9767 mean "line isn't going to change" (Crafty
9768 isn't searching, so stats won't change) */
9769 programStats.line_is_book = 1;
9771 SendProgramStatsToFrontend( cps, &programStats );
9773 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9774 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9775 DisplayMove(currentMove - 1);
9778 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9779 &time, &nodes, &plylev, &mvleft,
9780 &mvtot, mvname) >= 5) {
9781 /* The stat01: line is from Crafty (9.29+) in response
9782 to the "." command */
9783 programStats.seen_stat = 1;
9784 cps->maybeThinking = TRUE;
9786 if (programStats.got_only_move || !appData.periodicUpdates)
9789 programStats.depth = plylev;
9790 programStats.time = time;
9791 programStats.nodes = nodes;
9792 programStats.moves_left = mvleft;
9793 programStats.nr_moves = mvtot;
9794 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9795 programStats.ok_to_send = 1;
9796 programStats.movelist[0] = '\0';
9798 SendProgramStatsToFrontend( cps, &programStats );
9802 } else if (strncmp(message,"++",2) == 0) {
9803 /* Crafty 9.29+ outputs this */
9804 programStats.got_fail = 2;
9807 } else if (strncmp(message,"--",2) == 0) {
9808 /* Crafty 9.29+ outputs this */
9809 programStats.got_fail = 1;
9812 } else if (thinkOutput[0] != NULLCHAR &&
9813 strncmp(message, " ", 4) == 0) {
9814 unsigned message_len;
9817 while (*p && *p == ' ') p++;
9819 message_len = strlen( p );
9821 /* [AS] Avoid buffer overflow */
9822 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9823 strcat(thinkOutput, " ");
9824 strcat(thinkOutput, p);
9827 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9828 strcat(programStats.movelist, " ");
9829 strcat(programStats.movelist, p);
9832 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9833 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9834 DisplayMove(currentMove - 1);
9842 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9843 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9845 ChessProgramStats cpstats;
9847 if (plyext != ' ' && plyext != '\t') {
9851 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9852 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9853 curscore = -curscore;
9856 cpstats.depth = plylev;
9857 cpstats.nodes = nodes;
9858 cpstats.time = time;
9859 cpstats.score = curscore;
9860 cpstats.got_only_move = 0;
9861 cpstats.movelist[0] = '\0';
9863 if (buf1[0] != NULLCHAR) {
9864 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9867 cpstats.ok_to_send = 0;
9868 cpstats.line_is_book = 0;
9869 cpstats.nr_moves = 0;
9870 cpstats.moves_left = 0;
9872 SendProgramStatsToFrontend( cps, &cpstats );
9879 /* Parse a game score from the character string "game", and
9880 record it as the history of the current game. The game
9881 score is NOT assumed to start from the standard position.
9882 The display is not updated in any way.
9885 ParseGameHistory (char *game)
9888 int fromX, fromY, toX, toY, boardIndex;
9893 if (appData.debugMode)
9894 fprintf(debugFP, "Parsing game history: %s\n", game);
9896 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9897 gameInfo.site = StrSave(appData.icsHost);
9898 gameInfo.date = PGNDate();
9899 gameInfo.round = StrSave("-");
9901 /* Parse out names of players */
9902 while (*game == ' ') game++;
9904 while (*game != ' ') *p++ = *game++;
9906 gameInfo.white = StrSave(buf);
9907 while (*game == ' ') game++;
9909 while (*game != ' ' && *game != '\n') *p++ = *game++;
9911 gameInfo.black = StrSave(buf);
9914 boardIndex = blackPlaysFirst ? 1 : 0;
9917 yyboardindex = boardIndex;
9918 moveType = (ChessMove) Myylex();
9920 case IllegalMove: /* maybe suicide chess, etc. */
9921 if (appData.debugMode) {
9922 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9923 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9924 setbuf(debugFP, NULL);
9926 case WhitePromotion:
9927 case BlackPromotion:
9928 case WhiteNonPromotion:
9929 case BlackNonPromotion:
9932 case WhiteCapturesEnPassant:
9933 case BlackCapturesEnPassant:
9934 case WhiteKingSideCastle:
9935 case WhiteQueenSideCastle:
9936 case BlackKingSideCastle:
9937 case BlackQueenSideCastle:
9938 case WhiteKingSideCastleWild:
9939 case WhiteQueenSideCastleWild:
9940 case BlackKingSideCastleWild:
9941 case BlackQueenSideCastleWild:
9943 case WhiteHSideCastleFR:
9944 case WhiteASideCastleFR:
9945 case BlackHSideCastleFR:
9946 case BlackASideCastleFR:
9948 fromX = currentMoveString[0] - AAA;
9949 fromY = currentMoveString[1] - ONE;
9950 toX = currentMoveString[2] - AAA;
9951 toY = currentMoveString[3] - ONE;
9952 promoChar = currentMoveString[4];
9956 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9957 fromX = moveType == WhiteDrop ?
9958 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9959 (int) CharToPiece(ToLower(currentMoveString[0]));
9961 toX = currentMoveString[2] - AAA;
9962 toY = currentMoveString[3] - ONE;
9963 promoChar = NULLCHAR;
9967 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9968 if (appData.debugMode) {
9969 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9970 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9971 setbuf(debugFP, NULL);
9973 DisplayError(buf, 0);
9975 case ImpossibleMove:
9977 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9978 if (appData.debugMode) {
9979 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9980 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9981 setbuf(debugFP, NULL);
9983 DisplayError(buf, 0);
9986 if (boardIndex < backwardMostMove) {
9987 /* Oops, gap. How did that happen? */
9988 DisplayError(_("Gap in move list"), 0);
9991 backwardMostMove = blackPlaysFirst ? 1 : 0;
9992 if (boardIndex > forwardMostMove) {
9993 forwardMostMove = boardIndex;
9997 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9998 strcat(parseList[boardIndex-1], " ");
9999 strcat(parseList[boardIndex-1], yy_text);
10011 case GameUnfinished:
10012 if (gameMode == IcsExamining) {
10013 if (boardIndex < backwardMostMove) {
10014 /* Oops, gap. How did that happen? */
10017 backwardMostMove = blackPlaysFirst ? 1 : 0;
10020 gameInfo.result = moveType;
10021 p = strchr(yy_text, '{');
10022 if (p == NULL) p = strchr(yy_text, '(');
10025 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10027 q = strchr(p, *p == '{' ? '}' : ')');
10028 if (q != NULL) *q = NULLCHAR;
10031 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10032 gameInfo.resultDetails = StrSave(p);
10035 if (boardIndex >= forwardMostMove &&
10036 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10037 backwardMostMove = blackPlaysFirst ? 1 : 0;
10040 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10041 fromY, fromX, toY, toX, promoChar,
10042 parseList[boardIndex]);
10043 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10044 /* currentMoveString is set as a side-effect of yylex */
10045 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10046 strcat(moveList[boardIndex], "\n");
10048 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10049 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10055 if(!IS_SHOGI(gameInfo.variant))
10056 strcat(parseList[boardIndex - 1], "+");
10060 strcat(parseList[boardIndex - 1], "#");
10067 /* Apply a move to the given board */
10069 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10071 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10072 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10074 /* [HGM] compute & store e.p. status and castling rights for new position */
10075 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10077 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10078 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10079 board[EP_STATUS] = EP_NONE;
10080 board[EP_FILE] = board[EP_RANK] = 100;
10082 if (fromY == DROP_RANK) {
10083 /* must be first */
10084 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10085 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10088 piece = board[toY][toX] = (ChessSquare) fromX;
10090 // ChessSquare victim;
10093 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10094 // victim = board[killY][killX],
10095 killed = board[killY][killX],
10096 board[killY][killX] = EmptySquare,
10097 board[EP_STATUS] = EP_CAPTURE;
10098 if( kill2X >= 0 && kill2Y >= 0)
10099 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10102 if( board[toY][toX] != EmptySquare ) {
10103 board[EP_STATUS] = EP_CAPTURE;
10104 if( (fromX != toX || fromY != toY) && // not igui!
10105 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10106 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10107 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10111 pawn = board[fromY][fromX];
10112 if( pawn == WhiteLance || pawn == BlackLance ) {
10113 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10114 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10115 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10118 if( pawn == WhitePawn ) {
10119 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10120 board[EP_STATUS] = EP_PAWN_MOVE;
10121 if( toY-fromY>=2) {
10122 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10123 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10124 gameInfo.variant != VariantBerolina || toX < fromX)
10125 board[EP_STATUS] = toX | berolina;
10126 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10127 gameInfo.variant != VariantBerolina || toX > fromX)
10128 board[EP_STATUS] = toX;
10131 if( pawn == BlackPawn ) {
10132 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10133 board[EP_STATUS] = EP_PAWN_MOVE;
10134 if( toY-fromY<= -2) {
10135 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10136 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10137 gameInfo.variant != VariantBerolina || toX < fromX)
10138 board[EP_STATUS] = toX | berolina;
10139 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10140 gameInfo.variant != VariantBerolina || toX > fromX)
10141 board[EP_STATUS] = toX;
10145 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10146 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10147 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10148 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10150 for(i=0; i<nrCastlingRights; i++) {
10151 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10152 board[CASTLING][i] == toX && castlingRank[i] == toY
10153 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10156 if(gameInfo.variant == VariantSChess) { // update virginity
10157 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10158 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10159 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10160 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10163 if (fromX == toX && fromY == toY) return;
10165 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10166 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10167 if(gameInfo.variant == VariantKnightmate)
10168 king += (int) WhiteUnicorn - (int) WhiteKing;
10170 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10171 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10172 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10173 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10174 board[EP_STATUS] = EP_NONE; // capture was fake!
10176 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10177 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10178 board[toY][toX] = piece;
10179 board[EP_STATUS] = EP_NONE; // capture was fake!
10181 /* Code added by Tord: */
10182 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10183 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10184 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10185 board[EP_STATUS] = EP_NONE; // capture was fake!
10186 board[fromY][fromX] = EmptySquare;
10187 board[toY][toX] = EmptySquare;
10188 if((toX > fromX) != (piece == WhiteRook)) {
10189 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10191 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10193 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10194 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10195 board[EP_STATUS] = EP_NONE;
10196 board[fromY][fromX] = EmptySquare;
10197 board[toY][toX] = EmptySquare;
10198 if((toX > fromX) != (piece == BlackRook)) {
10199 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10201 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10203 /* End of code added by Tord */
10205 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10206 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10207 board[toY][toX] = piece;
10208 } else if (board[fromY][fromX] == king
10209 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10210 && toY == fromY && toX > fromX+1) {
10211 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10212 board[fromY][toX-1] = board[fromY][rookX];
10213 board[fromY][rookX] = EmptySquare;
10214 board[fromY][fromX] = EmptySquare;
10215 board[toY][toX] = king;
10216 } else if (board[fromY][fromX] == king
10217 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10218 && toY == fromY && toX < fromX-1) {
10219 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10220 board[fromY][toX+1] = board[fromY][rookX];
10221 board[fromY][rookX] = EmptySquare;
10222 board[fromY][fromX] = EmptySquare;
10223 board[toY][toX] = king;
10224 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10225 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10226 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10228 /* white pawn promotion */
10229 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10230 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10231 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10232 board[fromY][fromX] = EmptySquare;
10233 } else if ((fromY >= BOARD_HEIGHT>>1)
10234 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10236 && gameInfo.variant != VariantXiangqi
10237 && gameInfo.variant != VariantBerolina
10238 && (pawn == WhitePawn)
10239 && (board[toY][toX] == EmptySquare)) {
10240 board[fromY][fromX] = EmptySquare;
10241 board[toY][toX] = piece;
10242 if(toY == epRank - 128 + 1)
10243 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10245 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10246 } else if ((fromY == BOARD_HEIGHT-4)
10248 && gameInfo.variant == VariantBerolina
10249 && (board[fromY][fromX] == WhitePawn)
10250 && (board[toY][toX] == EmptySquare)) {
10251 board[fromY][fromX] = EmptySquare;
10252 board[toY][toX] = WhitePawn;
10253 if(oldEP & EP_BEROLIN_A) {
10254 captured = board[fromY][fromX-1];
10255 board[fromY][fromX-1] = EmptySquare;
10256 }else{ captured = board[fromY][fromX+1];
10257 board[fromY][fromX+1] = EmptySquare;
10259 } else if (board[fromY][fromX] == king
10260 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10261 && toY == fromY && toX > fromX+1) {
10262 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10263 board[fromY][toX-1] = board[fromY][rookX];
10264 board[fromY][rookX] = EmptySquare;
10265 board[fromY][fromX] = EmptySquare;
10266 board[toY][toX] = king;
10267 } else if (board[fromY][fromX] == king
10268 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10269 && toY == fromY && toX < fromX-1) {
10270 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10271 board[fromY][toX+1] = board[fromY][rookX];
10272 board[fromY][rookX] = EmptySquare;
10273 board[fromY][fromX] = EmptySquare;
10274 board[toY][toX] = king;
10275 } else if (fromY == 7 && fromX == 3
10276 && board[fromY][fromX] == BlackKing
10277 && toY == 7 && toX == 5) {
10278 board[fromY][fromX] = EmptySquare;
10279 board[toY][toX] = BlackKing;
10280 board[fromY][7] = EmptySquare;
10281 board[toY][4] = BlackRook;
10282 } else if (fromY == 7 && fromX == 3
10283 && board[fromY][fromX] == BlackKing
10284 && toY == 7 && toX == 1) {
10285 board[fromY][fromX] = EmptySquare;
10286 board[toY][toX] = BlackKing;
10287 board[fromY][0] = EmptySquare;
10288 board[toY][2] = BlackRook;
10289 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10290 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10291 && toY < promoRank && promoChar
10293 /* black pawn promotion */
10294 board[toY][toX] = CharToPiece(ToLower(promoChar));
10295 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10296 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10297 board[fromY][fromX] = EmptySquare;
10298 } else if ((fromY < BOARD_HEIGHT>>1)
10299 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10301 && gameInfo.variant != VariantXiangqi
10302 && gameInfo.variant != VariantBerolina
10303 && (pawn == BlackPawn)
10304 && (board[toY][toX] == EmptySquare)) {
10305 board[fromY][fromX] = EmptySquare;
10306 board[toY][toX] = piece;
10307 if(toY == epRank - 128 - 1)
10308 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10310 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10311 } else if ((fromY == 3)
10313 && gameInfo.variant == VariantBerolina
10314 && (board[fromY][fromX] == BlackPawn)
10315 && (board[toY][toX] == EmptySquare)) {
10316 board[fromY][fromX] = EmptySquare;
10317 board[toY][toX] = BlackPawn;
10318 if(oldEP & EP_BEROLIN_A) {
10319 captured = board[fromY][fromX-1];
10320 board[fromY][fromX-1] = EmptySquare;
10321 }else{ captured = board[fromY][fromX+1];
10322 board[fromY][fromX+1] = EmptySquare;
10325 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10326 board[fromY][fromX] = EmptySquare;
10327 board[toY][toX] = piece;
10331 if (gameInfo.holdingsWidth != 0) {
10333 /* !!A lot more code needs to be written to support holdings */
10334 /* [HGM] OK, so I have written it. Holdings are stored in the */
10335 /* penultimate board files, so they are automaticlly stored */
10336 /* in the game history. */
10337 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10338 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10339 /* Delete from holdings, by decreasing count */
10340 /* and erasing image if necessary */
10341 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10342 if(p < (int) BlackPawn) { /* white drop */
10343 p -= (int)WhitePawn;
10344 p = PieceToNumber((ChessSquare)p);
10345 if(p >= gameInfo.holdingsSize) p = 0;
10346 if(--board[p][BOARD_WIDTH-2] <= 0)
10347 board[p][BOARD_WIDTH-1] = EmptySquare;
10348 if((int)board[p][BOARD_WIDTH-2] < 0)
10349 board[p][BOARD_WIDTH-2] = 0;
10350 } else { /* black drop */
10351 p -= (int)BlackPawn;
10352 p = PieceToNumber((ChessSquare)p);
10353 if(p >= gameInfo.holdingsSize) p = 0;
10354 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10355 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10356 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10357 board[BOARD_HEIGHT-1-p][1] = 0;
10360 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10361 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10362 /* [HGM] holdings: Add to holdings, if holdings exist */
10363 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10364 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10365 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10367 p = (int) captured;
10368 if (p >= (int) BlackPawn) {
10369 p -= (int)BlackPawn;
10370 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10371 /* Restore shogi-promoted piece to its original first */
10372 captured = (ChessSquare) (DEMOTED(captured));
10375 p = PieceToNumber((ChessSquare)p);
10376 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10377 board[p][BOARD_WIDTH-2]++;
10378 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10380 p -= (int)WhitePawn;
10381 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10382 captured = (ChessSquare) (DEMOTED(captured));
10385 p = PieceToNumber((ChessSquare)p);
10386 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10387 board[BOARD_HEIGHT-1-p][1]++;
10388 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10391 } else if (gameInfo.variant == VariantAtomic) {
10392 if (captured != EmptySquare) {
10394 for (y = toY-1; y <= toY+1; y++) {
10395 for (x = toX-1; x <= toX+1; x++) {
10396 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10397 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10398 board[y][x] = EmptySquare;
10402 board[toY][toX] = EmptySquare;
10406 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10407 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10409 if(promoChar == '+') {
10410 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10411 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10412 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10413 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10414 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10415 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10416 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10417 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10418 board[toY][toX] = newPiece;
10420 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10421 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10422 // [HGM] superchess: take promotion piece out of holdings
10423 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10424 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10425 if(!--board[k][BOARD_WIDTH-2])
10426 board[k][BOARD_WIDTH-1] = EmptySquare;
10428 if(!--board[BOARD_HEIGHT-1-k][1])
10429 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10434 /* Updates forwardMostMove */
10436 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10438 int x = toX, y = toY;
10439 char *s = parseList[forwardMostMove];
10440 ChessSquare p = boards[forwardMostMove][toY][toX];
10441 // forwardMostMove++; // [HGM] bare: moved downstream
10443 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10444 (void) CoordsToAlgebraic(boards[forwardMostMove],
10445 PosFlags(forwardMostMove),
10446 fromY, fromX, y, x, promoChar,
10448 if(killX >= 0 && killY >= 0)
10449 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10451 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10452 int timeLeft; static int lastLoadFlag=0; int king, piece;
10453 piece = boards[forwardMostMove][fromY][fromX];
10454 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10455 if(gameInfo.variant == VariantKnightmate)
10456 king += (int) WhiteUnicorn - (int) WhiteKing;
10457 if(forwardMostMove == 0) {
10458 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10459 fprintf(serverMoves, "%s;", UserName());
10460 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10461 fprintf(serverMoves, "%s;", second.tidy);
10462 fprintf(serverMoves, "%s;", first.tidy);
10463 if(gameMode == MachinePlaysWhite)
10464 fprintf(serverMoves, "%s;", UserName());
10465 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10466 fprintf(serverMoves, "%s;", second.tidy);
10467 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10468 lastLoadFlag = loadFlag;
10470 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10471 // print castling suffix
10472 if( toY == fromY && piece == king ) {
10474 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10476 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10479 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10480 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10481 boards[forwardMostMove][toY][toX] == EmptySquare
10482 && fromX != toX && fromY != toY)
10483 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10484 // promotion suffix
10485 if(promoChar != NULLCHAR) {
10486 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10487 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10488 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10489 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10492 char buf[MOVE_LEN*2], *p; int len;
10493 fprintf(serverMoves, "/%d/%d",
10494 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10495 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10496 else timeLeft = blackTimeRemaining/1000;
10497 fprintf(serverMoves, "/%d", timeLeft);
10498 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10499 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10500 if(p = strchr(buf, '=')) *p = NULLCHAR;
10501 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10502 fprintf(serverMoves, "/%s", buf);
10504 fflush(serverMoves);
10507 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10508 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10511 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10512 if (commentList[forwardMostMove+1] != NULL) {
10513 free(commentList[forwardMostMove+1]);
10514 commentList[forwardMostMove+1] = NULL;
10516 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10517 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10518 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10519 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10520 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10521 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10522 adjustedClock = FALSE;
10523 gameInfo.result = GameUnfinished;
10524 if (gameInfo.resultDetails != NULL) {
10525 free(gameInfo.resultDetails);
10526 gameInfo.resultDetails = NULL;
10528 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10529 moveList[forwardMostMove - 1]);
10530 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10536 if(!IS_SHOGI(gameInfo.variant))
10537 strcat(parseList[forwardMostMove - 1], "+");
10541 strcat(parseList[forwardMostMove - 1], "#");
10546 /* Updates currentMove if not pausing */
10548 ShowMove (int fromX, int fromY, int toX, int toY)
10550 int instant = (gameMode == PlayFromGameFile) ?
10551 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10552 if(appData.noGUI) return;
10553 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10555 if (forwardMostMove == currentMove + 1) {
10556 AnimateMove(boards[forwardMostMove - 1],
10557 fromX, fromY, toX, toY);
10560 currentMove = forwardMostMove;
10563 killX = killY = -1; // [HGM] lion: used up
10565 if (instant) return;
10567 DisplayMove(currentMove - 1);
10568 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10569 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10570 SetHighlights(fromX, fromY, toX, toY);
10573 DrawPosition(FALSE, boards[currentMove]);
10574 DisplayBothClocks();
10575 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10579 SendEgtPath (ChessProgramState *cps)
10580 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10581 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10583 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10586 char c, *q = name+1, *r, *s;
10588 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10589 while(*p && *p != ',') *q++ = *p++;
10590 *q++ = ':'; *q = 0;
10591 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10592 strcmp(name, ",nalimov:") == 0 ) {
10593 // take nalimov path from the menu-changeable option first, if it is defined
10594 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10595 SendToProgram(buf,cps); // send egtbpath command for nalimov
10597 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10598 (s = StrStr(appData.egtFormats, name)) != NULL) {
10599 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10600 s = r = StrStr(s, ":") + 1; // beginning of path info
10601 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10602 c = *r; *r = 0; // temporarily null-terminate path info
10603 *--q = 0; // strip of trailig ':' from name
10604 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10606 SendToProgram(buf,cps); // send egtbpath command for this format
10608 if(*p == ',') p++; // read away comma to position for next format name
10613 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10615 int width = 8, height = 8, holdings = 0; // most common sizes
10616 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10617 // correct the deviations default for each variant
10618 if( v == VariantXiangqi ) width = 9, height = 10;
10619 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10620 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10621 if( v == VariantCapablanca || v == VariantCapaRandom ||
10622 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10624 if( v == VariantCourier ) width = 12;
10625 if( v == VariantSuper ) holdings = 8;
10626 if( v == VariantGreat ) width = 10, holdings = 8;
10627 if( v == VariantSChess ) holdings = 7;
10628 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10629 if( v == VariantChuChess) width = 10, height = 10;
10630 if( v == VariantChu ) width = 12, height = 12;
10631 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10632 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10633 holdingsSize >= 0 && holdingsSize != holdings;
10636 char variantError[MSG_SIZ];
10639 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10640 { // returns error message (recognizable by upper-case) if engine does not support the variant
10641 char *p, *variant = VariantName(v);
10642 static char b[MSG_SIZ];
10643 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10644 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10645 holdingsSize, variant); // cook up sized variant name
10646 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10647 if(StrStr(list, b) == NULL) {
10648 // specific sized variant not known, check if general sizing allowed
10649 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10650 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10651 boardWidth, boardHeight, holdingsSize, engine);
10654 /* [HGM] here we really should compare with the maximum supported board size */
10656 } else snprintf(b, MSG_SIZ,"%s", variant);
10657 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10658 p = StrStr(list, b);
10659 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10661 // occurs not at all in list, or only as sub-string
10662 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10663 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10664 int l = strlen(variantError);
10666 while(p != list && p[-1] != ',') p--;
10667 q = strchr(p, ',');
10668 if(q) *q = NULLCHAR;
10669 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10678 InitChessProgram (ChessProgramState *cps, int setup)
10679 /* setup needed to setup FRC opening position */
10681 char buf[MSG_SIZ], *b;
10682 if (appData.noChessProgram) return;
10683 hintRequested = FALSE;
10684 bookRequested = FALSE;
10686 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10687 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10688 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10689 if(cps->memSize) { /* [HGM] memory */
10690 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10691 SendToProgram(buf, cps);
10693 SendEgtPath(cps); /* [HGM] EGT */
10694 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10695 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10696 SendToProgram(buf, cps);
10699 setboardSpoiledMachineBlack = FALSE;
10700 SendToProgram(cps->initString, cps);
10701 if (gameInfo.variant != VariantNormal &&
10702 gameInfo.variant != VariantLoadable
10703 /* [HGM] also send variant if board size non-standard */
10704 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10706 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10707 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10710 char c, *q = cps->variants, *p = strchr(q, ',');
10711 if(p) *p = NULLCHAR;
10712 v = StringToVariant(q);
10713 DisplayError(variantError, 0);
10714 if(v != VariantUnknown && cps == &first) {
10716 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10717 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10718 ASSIGN(appData.variant, q);
10719 Reset(TRUE, FALSE);
10725 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10726 SendToProgram(buf, cps);
10728 currentlyInitializedVariant = gameInfo.variant;
10730 /* [HGM] send opening position in FRC to first engine */
10732 SendToProgram("force\n", cps);
10734 /* engine is now in force mode! Set flag to wake it up after first move. */
10735 setboardSpoiledMachineBlack = 1;
10738 if (cps->sendICS) {
10739 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10740 SendToProgram(buf, cps);
10742 cps->maybeThinking = FALSE;
10743 cps->offeredDraw = 0;
10744 if (!appData.icsActive) {
10745 SendTimeControl(cps, movesPerSession, timeControl,
10746 timeIncrement, appData.searchDepth,
10749 if (appData.showThinking
10750 // [HGM] thinking: four options require thinking output to be sent
10751 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10753 SendToProgram("post\n", cps);
10755 SendToProgram("hard\n", cps);
10756 if (!appData.ponderNextMove) {
10757 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10758 it without being sure what state we are in first. "hard"
10759 is not a toggle, so that one is OK.
10761 SendToProgram("easy\n", cps);
10763 if (cps->usePing) {
10764 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10765 SendToProgram(buf, cps);
10767 cps->initDone = TRUE;
10768 ClearEngineOutputPane(cps == &second);
10773 ResendOptions (ChessProgramState *cps)
10774 { // send the stored value of the options
10777 Option *opt = cps->option;
10778 for(i=0; i<cps->nrOptions; i++, opt++) {
10779 switch(opt->type) {
10783 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10786 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10789 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10795 SendToProgram(buf, cps);
10800 StartChessProgram (ChessProgramState *cps)
10805 if (appData.noChessProgram) return;
10806 cps->initDone = FALSE;
10808 if (strcmp(cps->host, "localhost") == 0) {
10809 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10810 } else if (*appData.remoteShell == NULLCHAR) {
10811 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10813 if (*appData.remoteUser == NULLCHAR) {
10814 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10817 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10818 cps->host, appData.remoteUser, cps->program);
10820 err = StartChildProcess(buf, "", &cps->pr);
10824 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10825 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10826 if(cps != &first) return;
10827 appData.noChessProgram = TRUE;
10830 // DisplayFatalError(buf, err, 1);
10831 // cps->pr = NoProc;
10832 // cps->isr = NULL;
10836 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10837 if (cps->protocolVersion > 1) {
10838 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10839 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10840 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10841 cps->comboCnt = 0; // and values of combo boxes
10843 SendToProgram(buf, cps);
10844 if(cps->reload) ResendOptions(cps);
10846 SendToProgram("xboard\n", cps);
10851 TwoMachinesEventIfReady P((void))
10853 static int curMess = 0;
10854 if (first.lastPing != first.lastPong) {
10855 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10856 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10859 if (second.lastPing != second.lastPong) {
10860 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10861 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10864 DisplayMessage("", ""); curMess = 0;
10865 TwoMachinesEvent();
10869 MakeName (char *template)
10873 static char buf[MSG_SIZ];
10877 clock = time((time_t *)NULL);
10878 tm = localtime(&clock);
10880 while(*p++ = *template++) if(p[-1] == '%') {
10881 switch(*template++) {
10882 case 0: *p = 0; return buf;
10883 case 'Y': i = tm->tm_year+1900; break;
10884 case 'y': i = tm->tm_year-100; break;
10885 case 'M': i = tm->tm_mon+1; break;
10886 case 'd': i = tm->tm_mday; break;
10887 case 'h': i = tm->tm_hour; break;
10888 case 'm': i = tm->tm_min; break;
10889 case 's': i = tm->tm_sec; break;
10892 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10898 CountPlayers (char *p)
10901 while(p = strchr(p, '\n')) p++, n++; // count participants
10906 WriteTourneyFile (char *results, FILE *f)
10907 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10908 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10909 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10910 // create a file with tournament description
10911 fprintf(f, "-participants {%s}\n", appData.participants);
10912 fprintf(f, "-seedBase %d\n", appData.seedBase);
10913 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10914 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10915 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10916 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10917 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10918 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10919 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10920 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10921 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10922 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10923 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10924 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10925 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10926 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10927 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10928 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10929 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10930 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10931 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10932 fprintf(f, "-smpCores %d\n", appData.smpCores);
10934 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10936 fprintf(f, "-mps %d\n", appData.movesPerSession);
10937 fprintf(f, "-tc %s\n", appData.timeControl);
10938 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10940 fprintf(f, "-results \"%s\"\n", results);
10945 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10948 Substitute (char *participants, int expunge)
10950 int i, changed, changes=0, nPlayers=0;
10951 char *p, *q, *r, buf[MSG_SIZ];
10952 if(participants == NULL) return;
10953 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10954 r = p = participants; q = appData.participants;
10955 while(*p && *p == *q) {
10956 if(*p == '\n') r = p+1, nPlayers++;
10959 if(*p) { // difference
10960 while(*p && *p++ != '\n');
10961 while(*q && *q++ != '\n');
10962 changed = nPlayers;
10963 changes = 1 + (strcmp(p, q) != 0);
10965 if(changes == 1) { // a single engine mnemonic was changed
10966 q = r; while(*q) nPlayers += (*q++ == '\n');
10967 p = buf; while(*r && (*p = *r++) != '\n') p++;
10969 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10970 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10971 if(mnemonic[i]) { // The substitute is valid
10973 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10974 flock(fileno(f), LOCK_EX);
10975 ParseArgsFromFile(f);
10976 fseek(f, 0, SEEK_SET);
10977 FREE(appData.participants); appData.participants = participants;
10978 if(expunge) { // erase results of replaced engine
10979 int len = strlen(appData.results), w, b, dummy;
10980 for(i=0; i<len; i++) {
10981 Pairing(i, nPlayers, &w, &b, &dummy);
10982 if((w == changed || b == changed) && appData.results[i] == '*') {
10983 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10988 for(i=0; i<len; i++) {
10989 Pairing(i, nPlayers, &w, &b, &dummy);
10990 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10993 WriteTourneyFile(appData.results, f);
10994 fclose(f); // release lock
10997 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10999 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11000 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11001 free(participants);
11006 CheckPlayers (char *participants)
11009 char buf[MSG_SIZ], *p;
11010 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11011 while(p = strchr(participants, '\n')) {
11013 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11015 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11017 DisplayError(buf, 0);
11021 participants = p + 1;
11027 CreateTourney (char *name)
11030 if(matchMode && strcmp(name, appData.tourneyFile)) {
11031 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11033 if(name[0] == NULLCHAR) {
11034 if(appData.participants[0])
11035 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11038 f = fopen(name, "r");
11039 if(f) { // file exists
11040 ASSIGN(appData.tourneyFile, name);
11041 ParseArgsFromFile(f); // parse it
11043 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11044 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11045 DisplayError(_("Not enough participants"), 0);
11048 if(CheckPlayers(appData.participants)) return 0;
11049 ASSIGN(appData.tourneyFile, name);
11050 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11051 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11054 appData.noChessProgram = FALSE;
11055 appData.clockMode = TRUE;
11061 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11063 char buf[MSG_SIZ], *p, *q;
11064 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11065 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11066 skip = !all && group[0]; // if group requested, we start in skip mode
11067 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11068 p = names; q = buf; header = 0;
11069 while(*p && *p != '\n') *q++ = *p++;
11071 if(*p == '\n') p++;
11072 if(buf[0] == '#') {
11073 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11074 depth++; // we must be entering a new group
11075 if(all) continue; // suppress printing group headers when complete list requested
11077 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11079 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11080 if(engineList[i]) free(engineList[i]);
11081 engineList[i] = strdup(buf);
11082 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11083 if(engineMnemonic[i]) free(engineMnemonic[i]);
11084 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11086 sscanf(q + 8, "%s", buf + strlen(buf));
11089 engineMnemonic[i] = strdup(buf);
11092 engineList[i] = engineMnemonic[i] = NULL;
11096 // following implemented as macro to avoid type limitations
11097 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11100 SwapEngines (int n)
11101 { // swap settings for first engine and other engine (so far only some selected options)
11106 SWAP(chessProgram, p)
11108 SWAP(hasOwnBookUCI, h)
11109 SWAP(protocolVersion, h)
11111 SWAP(scoreIsAbsolute, h)
11116 SWAP(engOptions, p)
11117 SWAP(engInitString, p)
11118 SWAP(computerString, p)
11120 SWAP(fenOverride, p)
11122 SWAP(accumulateTC, h)
11129 GetEngineLine (char *s, int n)
11133 extern char *icsNames;
11134 if(!s || !*s) return 0;
11135 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11136 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11137 if(!mnemonic[i]) return 0;
11138 if(n == 11) return 1; // just testing if there was a match
11139 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11140 if(n == 1) SwapEngines(n);
11141 ParseArgsFromString(buf);
11142 if(n == 1) SwapEngines(n);
11143 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11144 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11145 ParseArgsFromString(buf);
11151 SetPlayer (int player, char *p)
11152 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11154 char buf[MSG_SIZ], *engineName;
11155 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11156 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11157 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11159 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11160 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11161 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11162 ParseArgsFromString(buf);
11163 } else { // no engine with this nickname is installed!
11164 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11165 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11166 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11168 DisplayError(buf, 0);
11175 char *recentEngines;
11178 RecentEngineEvent (int nr)
11181 // SwapEngines(1); // bump first to second
11182 // ReplaceEngine(&second, 1); // and load it there
11183 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11184 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11185 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11186 ReplaceEngine(&first, 0);
11187 FloatToFront(&appData.recentEngineList, command[n]);
11192 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11193 { // determine players from game number
11194 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11196 if(appData.tourneyType == 0) {
11197 roundsPerCycle = (nPlayers - 1) | 1;
11198 pairingsPerRound = nPlayers / 2;
11199 } else if(appData.tourneyType > 0) {
11200 roundsPerCycle = nPlayers - appData.tourneyType;
11201 pairingsPerRound = appData.tourneyType;
11203 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11204 gamesPerCycle = gamesPerRound * roundsPerCycle;
11205 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11206 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11207 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11208 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11209 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11210 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11212 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11213 if(appData.roundSync) *syncInterval = gamesPerRound;
11215 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11217 if(appData.tourneyType == 0) {
11218 if(curPairing == (nPlayers-1)/2 ) {
11219 *whitePlayer = curRound;
11220 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11222 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11223 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11224 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11225 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11227 } else if(appData.tourneyType > 1) {
11228 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11229 *whitePlayer = curRound + appData.tourneyType;
11230 } else if(appData.tourneyType > 0) {
11231 *whitePlayer = curPairing;
11232 *blackPlayer = curRound + appData.tourneyType;
11235 // take care of white/black alternation per round.
11236 // For cycles and games this is already taken care of by default, derived from matchGame!
11237 return curRound & 1;
11241 NextTourneyGame (int nr, int *swapColors)
11242 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11244 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11246 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11247 tf = fopen(appData.tourneyFile, "r");
11248 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11249 ParseArgsFromFile(tf); fclose(tf);
11250 InitTimeControls(); // TC might be altered from tourney file
11252 nPlayers = CountPlayers(appData.participants); // count participants
11253 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11254 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11257 p = q = appData.results;
11258 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11259 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11260 DisplayMessage(_("Waiting for other game(s)"),"");
11261 waitingForGame = TRUE;
11262 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11265 waitingForGame = FALSE;
11268 if(appData.tourneyType < 0) {
11269 if(nr>=0 && !pairingReceived) {
11271 if(pairing.pr == NoProc) {
11272 if(!appData.pairingEngine[0]) {
11273 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11276 StartChessProgram(&pairing); // starts the pairing engine
11278 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11279 SendToProgram(buf, &pairing);
11280 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11281 SendToProgram(buf, &pairing);
11282 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11284 pairingReceived = 0; // ... so we continue here
11286 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11287 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11288 matchGame = 1; roundNr = nr / syncInterval + 1;
11291 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11293 // redefine engines, engine dir, etc.
11294 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11295 if(first.pr == NoProc) {
11296 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11297 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11299 if(second.pr == NoProc) {
11301 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11302 SwapEngines(1); // and make that valid for second engine by swapping
11303 InitEngine(&second, 1);
11305 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11306 UpdateLogos(FALSE); // leave display to ModeHiglight()
11312 { // performs game initialization that does not invoke engines, and then tries to start the game
11313 int res, firstWhite, swapColors = 0;
11314 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11315 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
11317 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11318 if(strcmp(buf, currentDebugFile)) { // name has changed
11319 FILE *f = fopen(buf, "w");
11320 if(f) { // if opening the new file failed, just keep using the old one
11321 ASSIGN(currentDebugFile, buf);
11325 if(appData.serverFileName) {
11326 if(serverFP) fclose(serverFP);
11327 serverFP = fopen(appData.serverFileName, "w");
11328 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11329 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11333 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11334 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11335 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11336 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11337 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11338 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11339 Reset(FALSE, first.pr != NoProc);
11340 res = LoadGameOrPosition(matchGame); // setup game
11341 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11342 if(!res) return; // abort when bad game/pos file
11343 TwoMachinesEvent();
11347 UserAdjudicationEvent (int result)
11349 ChessMove gameResult = GameIsDrawn;
11352 gameResult = WhiteWins;
11354 else if( result < 0 ) {
11355 gameResult = BlackWins;
11358 if( gameMode == TwoMachinesPlay ) {
11359 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11364 // [HGM] save: calculate checksum of game to make games easily identifiable
11366 StringCheckSum (char *s)
11369 if(s==NULL) return 0;
11370 while(*s) i = i*259 + *s++;
11378 for(i=backwardMostMove; i<forwardMostMove; i++) {
11379 sum += pvInfoList[i].depth;
11380 sum += StringCheckSum(parseList[i]);
11381 sum += StringCheckSum(commentList[i]);
11384 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11385 return sum + StringCheckSum(commentList[i]);
11386 } // end of save patch
11389 GameEnds (ChessMove result, char *resultDetails, int whosays)
11391 GameMode nextGameMode;
11393 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11395 if(endingGame) return; /* [HGM] crash: forbid recursion */
11397 if(twoBoards) { // [HGM] dual: switch back to one board
11398 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11399 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11401 if (appData.debugMode) {
11402 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11403 result, resultDetails ? resultDetails : "(null)", whosays);
11406 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11408 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11410 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11411 /* If we are playing on ICS, the server decides when the
11412 game is over, but the engine can offer to draw, claim
11416 if (appData.zippyPlay && first.initDone) {
11417 if (result == GameIsDrawn) {
11418 /* In case draw still needs to be claimed */
11419 SendToICS(ics_prefix);
11420 SendToICS("draw\n");
11421 } else if (StrCaseStr(resultDetails, "resign")) {
11422 SendToICS(ics_prefix);
11423 SendToICS("resign\n");
11427 endingGame = 0; /* [HGM] crash */
11431 /* If we're loading the game from a file, stop */
11432 if (whosays == GE_FILE) {
11433 (void) StopLoadGameTimer();
11437 /* Cancel draw offers */
11438 first.offeredDraw = second.offeredDraw = 0;
11440 /* If this is an ICS game, only ICS can really say it's done;
11441 if not, anyone can. */
11442 isIcsGame = (gameMode == IcsPlayingWhite ||
11443 gameMode == IcsPlayingBlack ||
11444 gameMode == IcsObserving ||
11445 gameMode == IcsExamining);
11447 if (!isIcsGame || whosays == GE_ICS) {
11448 /* OK -- not an ICS game, or ICS said it was done */
11450 if (!isIcsGame && !appData.noChessProgram)
11451 SetUserThinkingEnables();
11453 /* [HGM] if a machine claims the game end we verify this claim */
11454 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11455 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11457 ChessMove trueResult = (ChessMove) -1;
11459 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11460 first.twoMachinesColor[0] :
11461 second.twoMachinesColor[0] ;
11463 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11464 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11465 /* [HGM] verify: engine mate claims accepted if they were flagged */
11466 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11468 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11469 /* [HGM] verify: engine mate claims accepted if they were flagged */
11470 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11472 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11473 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11476 // now verify win claims, but not in drop games, as we don't understand those yet
11477 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11478 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11479 (result == WhiteWins && claimer == 'w' ||
11480 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11481 if (appData.debugMode) {
11482 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11483 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11485 if(result != trueResult) {
11486 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11487 result = claimer == 'w' ? BlackWins : WhiteWins;
11488 resultDetails = buf;
11491 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11492 && (forwardMostMove <= backwardMostMove ||
11493 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11494 (claimer=='b')==(forwardMostMove&1))
11496 /* [HGM] verify: draws that were not flagged are false claims */
11497 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11498 result = claimer == 'w' ? BlackWins : WhiteWins;
11499 resultDetails = buf;
11501 /* (Claiming a loss is accepted no questions asked!) */
11502 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11503 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11504 result = GameUnfinished;
11505 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11507 /* [HGM] bare: don't allow bare King to win */
11508 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11509 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11510 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11511 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11512 && result != GameIsDrawn)
11513 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11514 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11515 int p = (signed char)boards[forwardMostMove][i][j] - color;
11516 if(p >= 0 && p <= (int)WhiteKing) k++;
11517 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11519 if (appData.debugMode) {
11520 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11521 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11523 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11524 result = GameIsDrawn;
11525 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11526 resultDetails = buf;
11532 if(serverMoves != NULL && !loadFlag) { char c = '=';
11533 if(result==WhiteWins) c = '+';
11534 if(result==BlackWins) c = '-';
11535 if(resultDetails != NULL)
11536 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11538 if (resultDetails != NULL) {
11539 gameInfo.result = result;
11540 gameInfo.resultDetails = StrSave(resultDetails);
11542 /* display last move only if game was not loaded from file */
11543 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11544 DisplayMove(currentMove - 1);
11546 if (forwardMostMove != 0) {
11547 if (gameMode != PlayFromGameFile && gameMode != EditGame
11548 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11550 if (*appData.saveGameFile != NULLCHAR) {
11551 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11552 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11554 SaveGameToFile(appData.saveGameFile, TRUE);
11555 } else if (appData.autoSaveGames) {
11556 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11558 if (*appData.savePositionFile != NULLCHAR) {
11559 SavePositionToFile(appData.savePositionFile);
11561 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11565 /* Tell program how game ended in case it is learning */
11566 /* [HGM] Moved this to after saving the PGN, just in case */
11567 /* engine died and we got here through time loss. In that */
11568 /* case we will get a fatal error writing the pipe, which */
11569 /* would otherwise lose us the PGN. */
11570 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11571 /* output during GameEnds should never be fatal anymore */
11572 if (gameMode == MachinePlaysWhite ||
11573 gameMode == MachinePlaysBlack ||
11574 gameMode == TwoMachinesPlay ||
11575 gameMode == IcsPlayingWhite ||
11576 gameMode == IcsPlayingBlack ||
11577 gameMode == BeginningOfGame) {
11579 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11581 if (first.pr != NoProc) {
11582 SendToProgram(buf, &first);
11584 if (second.pr != NoProc &&
11585 gameMode == TwoMachinesPlay) {
11586 SendToProgram(buf, &second);
11591 if (appData.icsActive) {
11592 if (appData.quietPlay &&
11593 (gameMode == IcsPlayingWhite ||
11594 gameMode == IcsPlayingBlack)) {
11595 SendToICS(ics_prefix);
11596 SendToICS("set shout 1\n");
11598 nextGameMode = IcsIdle;
11599 ics_user_moved = FALSE;
11600 /* clean up premove. It's ugly when the game has ended and the
11601 * premove highlights are still on the board.
11604 gotPremove = FALSE;
11605 ClearPremoveHighlights();
11606 DrawPosition(FALSE, boards[currentMove]);
11608 if (whosays == GE_ICS) {
11611 if (gameMode == IcsPlayingWhite)
11613 else if(gameMode == IcsPlayingBlack)
11614 PlayIcsLossSound();
11617 if (gameMode == IcsPlayingBlack)
11619 else if(gameMode == IcsPlayingWhite)
11620 PlayIcsLossSound();
11623 PlayIcsDrawSound();
11626 PlayIcsUnfinishedSound();
11629 if(appData.quitNext) { ExitEvent(0); return; }
11630 } else if (gameMode == EditGame ||
11631 gameMode == PlayFromGameFile ||
11632 gameMode == AnalyzeMode ||
11633 gameMode == AnalyzeFile) {
11634 nextGameMode = gameMode;
11636 nextGameMode = EndOfGame;
11641 nextGameMode = gameMode;
11644 if (appData.noChessProgram) {
11645 gameMode = nextGameMode;
11647 endingGame = 0; /* [HGM] crash */
11652 /* Put first chess program into idle state */
11653 if (first.pr != NoProc &&
11654 (gameMode == MachinePlaysWhite ||
11655 gameMode == MachinePlaysBlack ||
11656 gameMode == TwoMachinesPlay ||
11657 gameMode == IcsPlayingWhite ||
11658 gameMode == IcsPlayingBlack ||
11659 gameMode == BeginningOfGame)) {
11660 SendToProgram("force\n", &first);
11661 if (first.usePing) {
11663 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11664 SendToProgram(buf, &first);
11667 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11668 /* Kill off first chess program */
11669 if (first.isr != NULL)
11670 RemoveInputSource(first.isr);
11673 if (first.pr != NoProc) {
11675 DoSleep( appData.delayBeforeQuit );
11676 SendToProgram("quit\n", &first);
11677 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11678 first.reload = TRUE;
11682 if (second.reuse) {
11683 /* Put second chess program into idle state */
11684 if (second.pr != NoProc &&
11685 gameMode == TwoMachinesPlay) {
11686 SendToProgram("force\n", &second);
11687 if (second.usePing) {
11689 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11690 SendToProgram(buf, &second);
11693 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11694 /* Kill off second chess program */
11695 if (second.isr != NULL)
11696 RemoveInputSource(second.isr);
11699 if (second.pr != NoProc) {
11700 DoSleep( appData.delayBeforeQuit );
11701 SendToProgram("quit\n", &second);
11702 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11703 second.reload = TRUE;
11705 second.pr = NoProc;
11708 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11709 char resChar = '=';
11713 if (first.twoMachinesColor[0] == 'w') {
11716 second.matchWins++;
11721 if (first.twoMachinesColor[0] == 'b') {
11724 second.matchWins++;
11727 case GameUnfinished:
11733 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11734 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11735 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11736 ReserveGame(nextGame, resChar); // sets nextGame
11737 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11738 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11739 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11741 if (nextGame <= appData.matchGames && !abortMatch) {
11742 gameMode = nextGameMode;
11743 matchGame = nextGame; // this will be overruled in tourney mode!
11744 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11745 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11746 endingGame = 0; /* [HGM] crash */
11749 gameMode = nextGameMode;
11750 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11751 first.tidy, second.tidy,
11752 first.matchWins, second.matchWins,
11753 appData.matchGames - (first.matchWins + second.matchWins));
11754 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11755 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11756 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11757 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11758 first.twoMachinesColor = "black\n";
11759 second.twoMachinesColor = "white\n";
11761 first.twoMachinesColor = "white\n";
11762 second.twoMachinesColor = "black\n";
11766 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11767 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11769 gameMode = nextGameMode;
11771 endingGame = 0; /* [HGM] crash */
11772 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11773 if(matchMode == TRUE) { // match through command line: exit with or without popup
11775 ToNrEvent(forwardMostMove);
11776 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11778 } else DisplayFatalError(buf, 0, 0);
11779 } else { // match through menu; just stop, with or without popup
11780 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11783 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11784 } else DisplayNote(buf);
11786 if(ranking) free(ranking);
11790 /* Assumes program was just initialized (initString sent).
11791 Leaves program in force mode. */
11793 FeedMovesToProgram (ChessProgramState *cps, int upto)
11797 if (appData.debugMode)
11798 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11799 startedFromSetupPosition ? "position and " : "",
11800 backwardMostMove, upto, cps->which);
11801 if(currentlyInitializedVariant != gameInfo.variant) {
11803 // [HGM] variantswitch: make engine aware of new variant
11804 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11805 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11806 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11807 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11808 SendToProgram(buf, cps);
11809 currentlyInitializedVariant = gameInfo.variant;
11811 SendToProgram("force\n", cps);
11812 if (startedFromSetupPosition) {
11813 SendBoard(cps, backwardMostMove);
11814 if (appData.debugMode) {
11815 fprintf(debugFP, "feedMoves\n");
11818 for (i = backwardMostMove; i < upto; i++) {
11819 SendMoveToProgram(i, cps);
11825 ResurrectChessProgram ()
11827 /* The chess program may have exited.
11828 If so, restart it and feed it all the moves made so far. */
11829 static int doInit = 0;
11831 if (appData.noChessProgram) return 1;
11833 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11834 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11835 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11836 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11838 if (first.pr != NoProc) return 1;
11839 StartChessProgram(&first);
11841 InitChessProgram(&first, FALSE);
11842 FeedMovesToProgram(&first, currentMove);
11844 if (!first.sendTime) {
11845 /* can't tell gnuchess what its clock should read,
11846 so we bow to its notion. */
11848 timeRemaining[0][currentMove] = whiteTimeRemaining;
11849 timeRemaining[1][currentMove] = blackTimeRemaining;
11852 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11853 appData.icsEngineAnalyze) && first.analysisSupport) {
11854 SendToProgram("analyze\n", &first);
11855 first.analyzing = TRUE;
11861 * Button procedures
11864 Reset (int redraw, int init)
11868 if (appData.debugMode) {
11869 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11870 redraw, init, gameMode);
11872 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11873 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11874 CleanupTail(); // [HGM] vari: delete any stored variations
11875 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11876 pausing = pauseExamInvalid = FALSE;
11877 startedFromSetupPosition = blackPlaysFirst = FALSE;
11879 whiteFlag = blackFlag = FALSE;
11880 userOfferedDraw = FALSE;
11881 hintRequested = bookRequested = FALSE;
11882 first.maybeThinking = FALSE;
11883 second.maybeThinking = FALSE;
11884 first.bookSuspend = FALSE; // [HGM] book
11885 second.bookSuspend = FALSE;
11886 thinkOutput[0] = NULLCHAR;
11887 lastHint[0] = NULLCHAR;
11888 ClearGameInfo(&gameInfo);
11889 gameInfo.variant = StringToVariant(appData.variant);
11890 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11891 ics_user_moved = ics_clock_paused = FALSE;
11892 ics_getting_history = H_FALSE;
11894 white_holding[0] = black_holding[0] = NULLCHAR;
11895 ClearProgramStats();
11896 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11900 flipView = appData.flipView;
11901 ClearPremoveHighlights();
11902 gotPremove = FALSE;
11903 alarmSounded = FALSE;
11904 killX = killY = -1; // [HGM] lion
11906 GameEnds(EndOfFile, NULL, GE_PLAYER);
11907 if(appData.serverMovesName != NULL) {
11908 /* [HGM] prepare to make moves file for broadcasting */
11909 clock_t t = clock();
11910 if(serverMoves != NULL) fclose(serverMoves);
11911 serverMoves = fopen(appData.serverMovesName, "r");
11912 if(serverMoves != NULL) {
11913 fclose(serverMoves);
11914 /* delay 15 sec before overwriting, so all clients can see end */
11915 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11917 serverMoves = fopen(appData.serverMovesName, "w");
11921 gameMode = BeginningOfGame;
11923 if(appData.icsActive) gameInfo.variant = VariantNormal;
11924 currentMove = forwardMostMove = backwardMostMove = 0;
11925 MarkTargetSquares(1);
11926 InitPosition(redraw);
11927 for (i = 0; i < MAX_MOVES; i++) {
11928 if (commentList[i] != NULL) {
11929 free(commentList[i]);
11930 commentList[i] = NULL;
11934 timeRemaining[0][0] = whiteTimeRemaining;
11935 timeRemaining[1][0] = blackTimeRemaining;
11937 if (first.pr == NoProc) {
11938 StartChessProgram(&first);
11941 InitChessProgram(&first, startedFromSetupPosition);
11944 DisplayMessage("", "");
11945 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11946 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11947 ClearMap(); // [HGM] exclude: invalidate map
11951 AutoPlayGameLoop ()
11954 if (!AutoPlayOneMove())
11956 if (matchMode || appData.timeDelay == 0)
11958 if (appData.timeDelay < 0)
11960 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11968 ReloadGame(1); // next game
11974 int fromX, fromY, toX, toY;
11976 if (appData.debugMode) {
11977 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11980 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11983 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11984 pvInfoList[currentMove].depth = programStats.depth;
11985 pvInfoList[currentMove].score = programStats.score;
11986 pvInfoList[currentMove].time = 0;
11987 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11988 else { // append analysis of final position as comment
11990 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11991 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11993 programStats.depth = 0;
11996 if (currentMove >= forwardMostMove) {
11997 if(gameMode == AnalyzeFile) {
11998 if(appData.loadGameIndex == -1) {
11999 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12000 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12002 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12005 // gameMode = EndOfGame;
12006 // ModeHighlight();
12008 /* [AS] Clear current move marker at the end of a game */
12009 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12014 toX = moveList[currentMove][2] - AAA;
12015 toY = moveList[currentMove][3] - ONE;
12017 if (moveList[currentMove][1] == '@') {
12018 if (appData.highlightLastMove) {
12019 SetHighlights(-1, -1, toX, toY);
12022 int viaX = moveList[currentMove][5] - AAA;
12023 int viaY = moveList[currentMove][6] - ONE;
12024 fromX = moveList[currentMove][0] - AAA;
12025 fromY = moveList[currentMove][1] - ONE;
12027 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12029 if(moveList[currentMove][4] == ';') { // multi-leg
12030 ChessSquare piece = boards[currentMove][viaY][viaX];
12031 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12032 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12033 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12034 boards[currentMove][viaY][viaX] = piece;
12036 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12038 if (appData.highlightLastMove) {
12039 SetHighlights(fromX, fromY, toX, toY);
12042 DisplayMove(currentMove);
12043 SendMoveToProgram(currentMove++, &first);
12044 DisplayBothClocks();
12045 DrawPosition(FALSE, boards[currentMove]);
12046 // [HGM] PV info: always display, routine tests if empty
12047 DisplayComment(currentMove - 1, commentList[currentMove]);
12053 LoadGameOneMove (ChessMove readAhead)
12055 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12056 char promoChar = NULLCHAR;
12057 ChessMove moveType;
12058 char move[MSG_SIZ];
12061 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12062 gameMode != AnalyzeMode && gameMode != Training) {
12067 yyboardindex = forwardMostMove;
12068 if (readAhead != EndOfFile) {
12069 moveType = readAhead;
12071 if (gameFileFP == NULL)
12073 moveType = (ChessMove) Myylex();
12077 switch (moveType) {
12079 if (appData.debugMode)
12080 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12083 /* append the comment but don't display it */
12084 AppendComment(currentMove, p, FALSE);
12087 case WhiteCapturesEnPassant:
12088 case BlackCapturesEnPassant:
12089 case WhitePromotion:
12090 case BlackPromotion:
12091 case WhiteNonPromotion:
12092 case BlackNonPromotion:
12095 case WhiteKingSideCastle:
12096 case WhiteQueenSideCastle:
12097 case BlackKingSideCastle:
12098 case BlackQueenSideCastle:
12099 case WhiteKingSideCastleWild:
12100 case WhiteQueenSideCastleWild:
12101 case BlackKingSideCastleWild:
12102 case BlackQueenSideCastleWild:
12104 case WhiteHSideCastleFR:
12105 case WhiteASideCastleFR:
12106 case BlackHSideCastleFR:
12107 case BlackASideCastleFR:
12109 if (appData.debugMode)
12110 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12111 fromX = currentMoveString[0] - AAA;
12112 fromY = currentMoveString[1] - ONE;
12113 toX = currentMoveString[2] - AAA;
12114 toY = currentMoveString[3] - ONE;
12115 promoChar = currentMoveString[4];
12116 if(promoChar == ';') promoChar = NULLCHAR;
12121 if (appData.debugMode)
12122 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12123 fromX = moveType == WhiteDrop ?
12124 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12125 (int) CharToPiece(ToLower(currentMoveString[0]));
12127 toX = currentMoveString[2] - AAA;
12128 toY = currentMoveString[3] - ONE;
12134 case GameUnfinished:
12135 if (appData.debugMode)
12136 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12137 p = strchr(yy_text, '{');
12138 if (p == NULL) p = strchr(yy_text, '(');
12141 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12143 q = strchr(p, *p == '{' ? '}' : ')');
12144 if (q != NULL) *q = NULLCHAR;
12147 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12148 GameEnds(moveType, p, GE_FILE);
12150 if (cmailMsgLoaded) {
12152 flipView = WhiteOnMove(currentMove);
12153 if (moveType == GameUnfinished) flipView = !flipView;
12154 if (appData.debugMode)
12155 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12160 if (appData.debugMode)
12161 fprintf(debugFP, "Parser hit end of file\n");
12162 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12168 if (WhiteOnMove(currentMove)) {
12169 GameEnds(BlackWins, "Black mates", GE_FILE);
12171 GameEnds(WhiteWins, "White mates", GE_FILE);
12175 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12181 case MoveNumberOne:
12182 if (lastLoadGameStart == GNUChessGame) {
12183 /* GNUChessGames have numbers, but they aren't move numbers */
12184 if (appData.debugMode)
12185 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12186 yy_text, (int) moveType);
12187 return LoadGameOneMove(EndOfFile); /* tail recursion */
12189 /* else fall thru */
12194 /* Reached start of next game in file */
12195 if (appData.debugMode)
12196 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12197 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12203 if (WhiteOnMove(currentMove)) {
12204 GameEnds(BlackWins, "Black mates", GE_FILE);
12206 GameEnds(WhiteWins, "White mates", GE_FILE);
12210 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12216 case PositionDiagram: /* should not happen; ignore */
12217 case ElapsedTime: /* ignore */
12218 case NAG: /* ignore */
12219 if (appData.debugMode)
12220 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12221 yy_text, (int) moveType);
12222 return LoadGameOneMove(EndOfFile); /* tail recursion */
12225 if (appData.testLegality) {
12226 if (appData.debugMode)
12227 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12228 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12229 (forwardMostMove / 2) + 1,
12230 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12231 DisplayError(move, 0);
12234 if (appData.debugMode)
12235 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12236 yy_text, currentMoveString);
12237 if(currentMoveString[1] == '@') {
12238 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12241 fromX = currentMoveString[0] - AAA;
12242 fromY = currentMoveString[1] - ONE;
12244 toX = currentMoveString[2] - AAA;
12245 toY = currentMoveString[3] - ONE;
12246 promoChar = currentMoveString[4];
12250 case AmbiguousMove:
12251 if (appData.debugMode)
12252 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12253 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12254 (forwardMostMove / 2) + 1,
12255 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12256 DisplayError(move, 0);
12261 case ImpossibleMove:
12262 if (appData.debugMode)
12263 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12264 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12265 (forwardMostMove / 2) + 1,
12266 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12267 DisplayError(move, 0);
12273 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12274 DrawPosition(FALSE, boards[currentMove]);
12275 DisplayBothClocks();
12276 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12277 DisplayComment(currentMove - 1, commentList[currentMove]);
12279 (void) StopLoadGameTimer();
12281 cmailOldMove = forwardMostMove;
12284 /* currentMoveString is set as a side-effect of yylex */
12286 thinkOutput[0] = NULLCHAR;
12287 MakeMove(fromX, fromY, toX, toY, promoChar);
12288 killX = killY = -1; // [HGM] lion: used up
12289 currentMove = forwardMostMove;
12294 /* Load the nth game from the given file */
12296 LoadGameFromFile (char *filename, int n, char *title, int useList)
12301 if (strcmp(filename, "-") == 0) {
12305 f = fopen(filename, "rb");
12307 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12308 DisplayError(buf, errno);
12312 if (fseek(f, 0, 0) == -1) {
12313 /* f is not seekable; probably a pipe */
12316 if (useList && n == 0) {
12317 int error = GameListBuild(f);
12319 DisplayError(_("Cannot build game list"), error);
12320 } else if (!ListEmpty(&gameList) &&
12321 ((ListGame *) gameList.tailPred)->number > 1) {
12322 GameListPopUp(f, title);
12329 return LoadGame(f, n, title, FALSE);
12334 MakeRegisteredMove ()
12336 int fromX, fromY, toX, toY;
12338 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12339 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12342 if (appData.debugMode)
12343 fprintf(debugFP, "Restoring %s for game %d\n",
12344 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12346 thinkOutput[0] = NULLCHAR;
12347 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12348 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12349 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12350 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12351 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12352 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12353 MakeMove(fromX, fromY, toX, toY, promoChar);
12354 ShowMove(fromX, fromY, toX, toY);
12356 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12363 if (WhiteOnMove(currentMove)) {
12364 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12366 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12371 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12378 if (WhiteOnMove(currentMove)) {
12379 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12381 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12386 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12397 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12399 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12403 if (gameNumber > nCmailGames) {
12404 DisplayError(_("No more games in this message"), 0);
12407 if (f == lastLoadGameFP) {
12408 int offset = gameNumber - lastLoadGameNumber;
12410 cmailMsg[0] = NULLCHAR;
12411 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12412 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12413 nCmailMovesRegistered--;
12415 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12416 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12417 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12420 if (! RegisterMove()) return FALSE;
12424 retVal = LoadGame(f, gameNumber, title, useList);
12426 /* Make move registered during previous look at this game, if any */
12427 MakeRegisteredMove();
12429 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12430 commentList[currentMove]
12431 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12432 DisplayComment(currentMove - 1, commentList[currentMove]);
12438 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12440 ReloadGame (int offset)
12442 int gameNumber = lastLoadGameNumber + offset;
12443 if (lastLoadGameFP == NULL) {
12444 DisplayError(_("No game has been loaded yet"), 0);
12447 if (gameNumber <= 0) {
12448 DisplayError(_("Can't back up any further"), 0);
12451 if (cmailMsgLoaded) {
12452 return CmailLoadGame(lastLoadGameFP, gameNumber,
12453 lastLoadGameTitle, lastLoadGameUseList);
12455 return LoadGame(lastLoadGameFP, gameNumber,
12456 lastLoadGameTitle, lastLoadGameUseList);
12460 int keys[EmptySquare+1];
12463 PositionMatches (Board b1, Board b2)
12466 switch(appData.searchMode) {
12467 case 1: return CompareWithRights(b1, b2);
12469 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12470 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12474 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12475 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12476 sum += keys[b1[r][f]] - keys[b2[r][f]];
12480 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12481 sum += keys[b1[r][f]] - keys[b2[r][f]];
12493 int pieceList[256], quickBoard[256];
12494 ChessSquare pieceType[256] = { EmptySquare };
12495 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12496 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12497 int soughtTotal, turn;
12498 Boolean epOK, flipSearch;
12501 unsigned char piece, to;
12504 #define DSIZE (250000)
12506 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12507 Move *moveDatabase = initialSpace;
12508 unsigned int movePtr, dataSize = DSIZE;
12511 MakePieceList (Board board, int *counts)
12513 int r, f, n=Q_PROMO, total=0;
12514 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12515 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12516 int sq = f + (r<<4);
12517 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12518 quickBoard[sq] = ++n;
12520 pieceType[n] = board[r][f];
12521 counts[board[r][f]]++;
12522 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12523 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12527 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12532 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12534 int sq = fromX + (fromY<<4);
12535 int piece = quickBoard[sq], rook;
12536 quickBoard[sq] = 0;
12537 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12538 if(piece == pieceList[1] && fromY == toY) {
12539 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12540 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12541 moveDatabase[movePtr++].piece = Q_WCASTL;
12542 quickBoard[sq] = piece;
12543 piece = quickBoard[from]; quickBoard[from] = 0;
12544 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12545 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12546 quickBoard[sq] = 0; // remove Rook
12547 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12548 moveDatabase[movePtr++].piece = Q_WCASTL;
12549 quickBoard[sq] = pieceList[1]; // put King
12551 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12554 if(piece == pieceList[2] && fromY == toY) {
12555 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12556 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12557 moveDatabase[movePtr++].piece = Q_BCASTL;
12558 quickBoard[sq] = piece;
12559 piece = quickBoard[from]; quickBoard[from] = 0;
12560 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12561 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12562 quickBoard[sq] = 0; // remove Rook
12563 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12564 moveDatabase[movePtr++].piece = Q_BCASTL;
12565 quickBoard[sq] = pieceList[2]; // put King
12567 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12570 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12571 quickBoard[(fromY<<4)+toX] = 0;
12572 moveDatabase[movePtr].piece = Q_EP;
12573 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12574 moveDatabase[movePtr].to = sq;
12576 if(promoPiece != pieceType[piece]) {
12577 moveDatabase[movePtr++].piece = Q_PROMO;
12578 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12580 moveDatabase[movePtr].piece = piece;
12581 quickBoard[sq] = piece;
12586 PackGame (Board board)
12588 Move *newSpace = NULL;
12589 moveDatabase[movePtr].piece = 0; // terminate previous game
12590 if(movePtr > dataSize) {
12591 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12592 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12593 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12596 Move *p = moveDatabase, *q = newSpace;
12597 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12598 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12599 moveDatabase = newSpace;
12600 } else { // calloc failed, we must be out of memory. Too bad...
12601 dataSize = 0; // prevent calloc events for all subsequent games
12602 return 0; // and signal this one isn't cached
12606 MakePieceList(board, counts);
12611 QuickCompare (Board board, int *minCounts, int *maxCounts)
12612 { // compare according to search mode
12614 switch(appData.searchMode)
12616 case 1: // exact position match
12617 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12618 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12619 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12622 case 2: // can have extra material on empty squares
12623 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12624 if(board[r][f] == EmptySquare) continue;
12625 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12628 case 3: // material with exact Pawn structure
12629 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12630 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12631 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12632 } // fall through to material comparison
12633 case 4: // exact material
12634 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12636 case 6: // material range with given imbalance
12637 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12638 // fall through to range comparison
12639 case 5: // material range
12640 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12646 QuickScan (Board board, Move *move)
12647 { // reconstruct game,and compare all positions in it
12648 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12650 int piece = move->piece;
12651 int to = move->to, from = pieceList[piece];
12652 if(found < 0) { // if already found just scan to game end for final piece count
12653 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12654 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12655 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12656 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12658 static int lastCounts[EmptySquare+1];
12660 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12661 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12662 } else stretch = 0;
12663 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12664 if(found >= 0 && !appData.minPieces) return found;
12666 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12667 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12668 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12669 piece = (++move)->piece;
12670 from = pieceList[piece];
12671 counts[pieceType[piece]]--;
12672 pieceType[piece] = (ChessSquare) move->to;
12673 counts[move->to]++;
12674 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12675 counts[pieceType[quickBoard[to]]]--;
12676 quickBoard[to] = 0; total--;
12679 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12680 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12681 from = pieceList[piece]; // so this must be King
12682 quickBoard[from] = 0;
12683 pieceList[piece] = to;
12684 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12685 quickBoard[from] = 0; // rook
12686 quickBoard[to] = piece;
12687 to = move->to; piece = move->piece;
12691 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12692 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12693 quickBoard[from] = 0;
12695 quickBoard[to] = piece;
12696 pieceList[piece] = to;
12706 flipSearch = FALSE;
12707 CopyBoard(soughtBoard, boards[currentMove]);
12708 soughtTotal = MakePieceList(soughtBoard, maxSought);
12709 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12710 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12711 CopyBoard(reverseBoard, boards[currentMove]);
12712 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12713 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12714 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12715 reverseBoard[r][f] = piece;
12717 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12718 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12719 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12720 || (boards[currentMove][CASTLING][2] == NoRights ||
12721 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12722 && (boards[currentMove][CASTLING][5] == NoRights ||
12723 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12726 CopyBoard(flipBoard, soughtBoard);
12727 CopyBoard(rotateBoard, reverseBoard);
12728 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12729 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12730 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12733 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12734 if(appData.searchMode >= 5) {
12735 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12736 MakePieceList(soughtBoard, minSought);
12737 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12739 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12740 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12743 GameInfo dummyInfo;
12744 static int creatingBook;
12747 GameContainsPosition (FILE *f, ListGame *lg)
12749 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12750 int fromX, fromY, toX, toY;
12752 static int initDone=FALSE;
12754 // weed out games based on numerical tag comparison
12755 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12756 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12757 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12758 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12760 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12763 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12764 else CopyBoard(boards[scratch], initialPosition); // default start position
12767 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12768 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12771 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12772 fseek(f, lg->offset, 0);
12775 yyboardindex = scratch;
12776 quickFlag = plyNr+1;
12781 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12787 if(plyNr) return -1; // after we have seen moves, this is for new game
12790 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12791 case ImpossibleMove:
12792 case WhiteWins: // game ends here with these four
12795 case GameUnfinished:
12799 if(appData.testLegality) return -1;
12800 case WhiteCapturesEnPassant:
12801 case BlackCapturesEnPassant:
12802 case WhitePromotion:
12803 case BlackPromotion:
12804 case WhiteNonPromotion:
12805 case BlackNonPromotion:
12808 case WhiteKingSideCastle:
12809 case WhiteQueenSideCastle:
12810 case BlackKingSideCastle:
12811 case BlackQueenSideCastle:
12812 case WhiteKingSideCastleWild:
12813 case WhiteQueenSideCastleWild:
12814 case BlackKingSideCastleWild:
12815 case BlackQueenSideCastleWild:
12816 case WhiteHSideCastleFR:
12817 case WhiteASideCastleFR:
12818 case BlackHSideCastleFR:
12819 case BlackASideCastleFR:
12820 fromX = currentMoveString[0] - AAA;
12821 fromY = currentMoveString[1] - ONE;
12822 toX = currentMoveString[2] - AAA;
12823 toY = currentMoveString[3] - ONE;
12824 promoChar = currentMoveString[4];
12828 fromX = next == WhiteDrop ?
12829 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12830 (int) CharToPiece(ToLower(currentMoveString[0]));
12832 toX = currentMoveString[2] - AAA;
12833 toY = currentMoveString[3] - ONE;
12837 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12839 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12840 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12841 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12842 if(appData.findMirror) {
12843 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12844 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12849 /* Load the nth game from open file f */
12851 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12855 int gn = gameNumber;
12856 ListGame *lg = NULL;
12857 int numPGNTags = 0;
12859 GameMode oldGameMode;
12860 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12861 char oldName[MSG_SIZ];
12863 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12865 if (appData.debugMode)
12866 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12868 if (gameMode == Training )
12869 SetTrainingModeOff();
12871 oldGameMode = gameMode;
12872 if (gameMode != BeginningOfGame) {
12873 Reset(FALSE, TRUE);
12875 killX = killY = -1; // [HGM] lion: in case we did not Reset
12878 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12879 fclose(lastLoadGameFP);
12883 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12886 fseek(f, lg->offset, 0);
12887 GameListHighlight(gameNumber);
12888 pos = lg->position;
12892 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12893 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12895 DisplayError(_("Game number out of range"), 0);
12900 if (fseek(f, 0, 0) == -1) {
12901 if (f == lastLoadGameFP ?
12902 gameNumber == lastLoadGameNumber + 1 :
12906 DisplayError(_("Can't seek on game file"), 0);
12911 lastLoadGameFP = f;
12912 lastLoadGameNumber = gameNumber;
12913 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12914 lastLoadGameUseList = useList;
12918 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12919 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12920 lg->gameInfo.black);
12922 } else if (*title != NULLCHAR) {
12923 if (gameNumber > 1) {
12924 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12927 DisplayTitle(title);
12931 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12932 gameMode = PlayFromGameFile;
12936 currentMove = forwardMostMove = backwardMostMove = 0;
12937 CopyBoard(boards[0], initialPosition);
12941 * Skip the first gn-1 games in the file.
12942 * Also skip over anything that precedes an identifiable
12943 * start of game marker, to avoid being confused by
12944 * garbage at the start of the file. Currently
12945 * recognized start of game markers are the move number "1",
12946 * the pattern "gnuchess .* game", the pattern
12947 * "^[#;%] [^ ]* game file", and a PGN tag block.
12948 * A game that starts with one of the latter two patterns
12949 * will also have a move number 1, possibly
12950 * following a position diagram.
12951 * 5-4-02: Let's try being more lenient and allowing a game to
12952 * start with an unnumbered move. Does that break anything?
12954 cm = lastLoadGameStart = EndOfFile;
12956 yyboardindex = forwardMostMove;
12957 cm = (ChessMove) Myylex();
12960 if (cmailMsgLoaded) {
12961 nCmailGames = CMAIL_MAX_GAMES - gn;
12964 DisplayError(_("Game not found in file"), 0);
12971 lastLoadGameStart = cm;
12974 case MoveNumberOne:
12975 switch (lastLoadGameStart) {
12980 case MoveNumberOne:
12982 gn--; /* count this game */
12983 lastLoadGameStart = cm;
12992 switch (lastLoadGameStart) {
12995 case MoveNumberOne:
12997 gn--; /* count this game */
12998 lastLoadGameStart = cm;
13001 lastLoadGameStart = cm; /* game counted already */
13009 yyboardindex = forwardMostMove;
13010 cm = (ChessMove) Myylex();
13011 } while (cm == PGNTag || cm == Comment);
13018 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13019 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13020 != CMAIL_OLD_RESULT) {
13022 cmailResult[ CMAIL_MAX_GAMES
13023 - gn - 1] = CMAIL_OLD_RESULT;
13030 /* Only a NormalMove can be at the start of a game
13031 * without a position diagram. */
13032 if (lastLoadGameStart == EndOfFile ) {
13034 lastLoadGameStart = MoveNumberOne;
13043 if (appData.debugMode)
13044 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13046 if (cm == XBoardGame) {
13047 /* Skip any header junk before position diagram and/or move 1 */
13049 yyboardindex = forwardMostMove;
13050 cm = (ChessMove) Myylex();
13052 if (cm == EndOfFile ||
13053 cm == GNUChessGame || cm == XBoardGame) {
13054 /* Empty game; pretend end-of-file and handle later */
13059 if (cm == MoveNumberOne || cm == PositionDiagram ||
13060 cm == PGNTag || cm == Comment)
13063 } else if (cm == GNUChessGame) {
13064 if (gameInfo.event != NULL) {
13065 free(gameInfo.event);
13067 gameInfo.event = StrSave(yy_text);
13070 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13071 while (cm == PGNTag) {
13072 if (appData.debugMode)
13073 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13074 err = ParsePGNTag(yy_text, &gameInfo);
13075 if (!err) numPGNTags++;
13077 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13078 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13079 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13080 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13081 InitPosition(TRUE);
13082 oldVariant = gameInfo.variant;
13083 if (appData.debugMode)
13084 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13088 if (gameInfo.fen != NULL) {
13089 Board initial_position;
13090 startedFromSetupPosition = TRUE;
13091 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13093 DisplayError(_("Bad FEN position in file"), 0);
13096 CopyBoard(boards[0], initial_position);
13097 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13098 CopyBoard(initialPosition, initial_position);
13099 if (blackPlaysFirst) {
13100 currentMove = forwardMostMove = backwardMostMove = 1;
13101 CopyBoard(boards[1], initial_position);
13102 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13103 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13104 timeRemaining[0][1] = whiteTimeRemaining;
13105 timeRemaining[1][1] = blackTimeRemaining;
13106 if (commentList[0] != NULL) {
13107 commentList[1] = commentList[0];
13108 commentList[0] = NULL;
13111 currentMove = forwardMostMove = backwardMostMove = 0;
13113 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13115 initialRulePlies = FENrulePlies;
13116 for( i=0; i< nrCastlingRights; i++ )
13117 initialRights[i] = initial_position[CASTLING][i];
13119 yyboardindex = forwardMostMove;
13120 free(gameInfo.fen);
13121 gameInfo.fen = NULL;
13124 yyboardindex = forwardMostMove;
13125 cm = (ChessMove) Myylex();
13127 /* Handle comments interspersed among the tags */
13128 while (cm == Comment) {
13130 if (appData.debugMode)
13131 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13133 AppendComment(currentMove, p, FALSE);
13134 yyboardindex = forwardMostMove;
13135 cm = (ChessMove) Myylex();
13139 /* don't rely on existence of Event tag since if game was
13140 * pasted from clipboard the Event tag may not exist
13142 if (numPGNTags > 0){
13144 if (gameInfo.variant == VariantNormal) {
13145 VariantClass v = StringToVariant(gameInfo.event);
13146 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13147 if(v < VariantShogi) gameInfo.variant = v;
13150 if( appData.autoDisplayTags ) {
13151 tags = PGNTags(&gameInfo);
13152 TagsPopUp(tags, CmailMsg());
13157 /* Make something up, but don't display it now */
13162 if (cm == PositionDiagram) {
13165 Board initial_position;
13167 if (appData.debugMode)
13168 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13170 if (!startedFromSetupPosition) {
13172 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13173 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13184 initial_position[i][j++] = CharToPiece(*p);
13187 while (*p == ' ' || *p == '\t' ||
13188 *p == '\n' || *p == '\r') p++;
13190 if (strncmp(p, "black", strlen("black"))==0)
13191 blackPlaysFirst = TRUE;
13193 blackPlaysFirst = FALSE;
13194 startedFromSetupPosition = TRUE;
13196 CopyBoard(boards[0], initial_position);
13197 if (blackPlaysFirst) {
13198 currentMove = forwardMostMove = backwardMostMove = 1;
13199 CopyBoard(boards[1], initial_position);
13200 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13201 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13202 timeRemaining[0][1] = whiteTimeRemaining;
13203 timeRemaining[1][1] = blackTimeRemaining;
13204 if (commentList[0] != NULL) {
13205 commentList[1] = commentList[0];
13206 commentList[0] = NULL;
13209 currentMove = forwardMostMove = backwardMostMove = 0;
13212 yyboardindex = forwardMostMove;
13213 cm = (ChessMove) Myylex();
13216 if(!creatingBook) {
13217 if (first.pr == NoProc) {
13218 StartChessProgram(&first);
13220 InitChessProgram(&first, FALSE);
13221 if(gameInfo.variant == VariantUnknown && *oldName) {
13222 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13223 gameInfo.variant = v;
13225 SendToProgram("force\n", &first);
13226 if (startedFromSetupPosition) {
13227 SendBoard(&first, forwardMostMove);
13228 if (appData.debugMode) {
13229 fprintf(debugFP, "Load Game\n");
13231 DisplayBothClocks();
13235 /* [HGM] server: flag to write setup moves in broadcast file as one */
13236 loadFlag = appData.suppressLoadMoves;
13238 while (cm == Comment) {
13240 if (appData.debugMode)
13241 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13243 AppendComment(currentMove, p, FALSE);
13244 yyboardindex = forwardMostMove;
13245 cm = (ChessMove) Myylex();
13248 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13249 cm == WhiteWins || cm == BlackWins ||
13250 cm == GameIsDrawn || cm == GameUnfinished) {
13251 DisplayMessage("", _("No moves in game"));
13252 if (cmailMsgLoaded) {
13253 if (appData.debugMode)
13254 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13258 DrawPosition(FALSE, boards[currentMove]);
13259 DisplayBothClocks();
13260 gameMode = EditGame;
13267 // [HGM] PV info: routine tests if comment empty
13268 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13269 DisplayComment(currentMove - 1, commentList[currentMove]);
13271 if (!matchMode && appData.timeDelay != 0)
13272 DrawPosition(FALSE, boards[currentMove]);
13274 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13275 programStats.ok_to_send = 1;
13278 /* if the first token after the PGN tags is a move
13279 * and not move number 1, retrieve it from the parser
13281 if (cm != MoveNumberOne)
13282 LoadGameOneMove(cm);
13284 /* load the remaining moves from the file */
13285 while (LoadGameOneMove(EndOfFile)) {
13286 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13287 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13290 /* rewind to the start of the game */
13291 currentMove = backwardMostMove;
13293 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13295 if (oldGameMode == AnalyzeFile) {
13296 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13297 AnalyzeFileEvent();
13299 if (oldGameMode == AnalyzeMode) {
13300 AnalyzeFileEvent();
13303 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13304 long int w, b; // [HGM] adjourn: restore saved clock times
13305 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13306 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13307 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13308 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13312 if(creatingBook) return TRUE;
13313 if (!matchMode && pos > 0) {
13314 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13316 if (matchMode || appData.timeDelay == 0) {
13318 } else if (appData.timeDelay > 0) {
13319 AutoPlayGameLoop();
13322 if (appData.debugMode)
13323 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13325 loadFlag = 0; /* [HGM] true game starts */
13329 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13331 ReloadPosition (int offset)
13333 int positionNumber = lastLoadPositionNumber + offset;
13334 if (lastLoadPositionFP == NULL) {
13335 DisplayError(_("No position has been loaded yet"), 0);
13338 if (positionNumber <= 0) {
13339 DisplayError(_("Can't back up any further"), 0);
13342 return LoadPosition(lastLoadPositionFP, positionNumber,
13343 lastLoadPositionTitle);
13346 /* Load the nth position from the given file */
13348 LoadPositionFromFile (char *filename, int n, char *title)
13353 if (strcmp(filename, "-") == 0) {
13354 return LoadPosition(stdin, n, "stdin");
13356 f = fopen(filename, "rb");
13358 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13359 DisplayError(buf, errno);
13362 return LoadPosition(f, n, title);
13367 /* Load the nth position from the given open file, and close it */
13369 LoadPosition (FILE *f, int positionNumber, char *title)
13371 char *p, line[MSG_SIZ];
13372 Board initial_position;
13373 int i, j, fenMode, pn;
13375 if (gameMode == Training )
13376 SetTrainingModeOff();
13378 if (gameMode != BeginningOfGame) {
13379 Reset(FALSE, TRUE);
13381 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13382 fclose(lastLoadPositionFP);
13384 if (positionNumber == 0) positionNumber = 1;
13385 lastLoadPositionFP = f;
13386 lastLoadPositionNumber = positionNumber;
13387 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13388 if (first.pr == NoProc && !appData.noChessProgram) {
13389 StartChessProgram(&first);
13390 InitChessProgram(&first, FALSE);
13392 pn = positionNumber;
13393 if (positionNumber < 0) {
13394 /* Negative position number means to seek to that byte offset */
13395 if (fseek(f, -positionNumber, 0) == -1) {
13396 DisplayError(_("Can't seek on position file"), 0);
13401 if (fseek(f, 0, 0) == -1) {
13402 if (f == lastLoadPositionFP ?
13403 positionNumber == lastLoadPositionNumber + 1 :
13404 positionNumber == 1) {
13407 DisplayError(_("Can't seek on position file"), 0);
13412 /* See if this file is FEN or old-style xboard */
13413 if (fgets(line, MSG_SIZ, f) == NULL) {
13414 DisplayError(_("Position not found in file"), 0);
13417 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13418 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13421 if (fenMode || line[0] == '#') pn--;
13423 /* skip positions before number pn */
13424 if (fgets(line, MSG_SIZ, f) == NULL) {
13426 DisplayError(_("Position not found in file"), 0);
13429 if (fenMode || line[0] == '#') pn--;
13435 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13436 DisplayError(_("Bad FEN position in file"), 0);
13439 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13440 sscanf(p+3, "%s", bestMove);
13441 } else *bestMove = NULLCHAR;
13443 (void) fgets(line, MSG_SIZ, f);
13444 (void) fgets(line, MSG_SIZ, f);
13446 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13447 (void) fgets(line, MSG_SIZ, f);
13448 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13451 initial_position[i][j++] = CharToPiece(*p);
13455 blackPlaysFirst = FALSE;
13457 (void) fgets(line, MSG_SIZ, f);
13458 if (strncmp(line, "black", strlen("black"))==0)
13459 blackPlaysFirst = TRUE;
13462 startedFromSetupPosition = TRUE;
13464 CopyBoard(boards[0], initial_position);
13465 if (blackPlaysFirst) {
13466 currentMove = forwardMostMove = backwardMostMove = 1;
13467 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13468 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13469 CopyBoard(boards[1], initial_position);
13470 DisplayMessage("", _("Black to play"));
13472 currentMove = forwardMostMove = backwardMostMove = 0;
13473 DisplayMessage("", _("White to play"));
13475 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13476 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13477 SendToProgram("force\n", &first);
13478 SendBoard(&first, forwardMostMove);
13480 if (appData.debugMode) {
13482 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13483 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13484 fprintf(debugFP, "Load Position\n");
13487 if (positionNumber > 1) {
13488 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13489 DisplayTitle(line);
13491 DisplayTitle(title);
13493 gameMode = EditGame;
13496 timeRemaining[0][1] = whiteTimeRemaining;
13497 timeRemaining[1][1] = blackTimeRemaining;
13498 DrawPosition(FALSE, boards[currentMove]);
13505 CopyPlayerNameIntoFileName (char **dest, char *src)
13507 while (*src != NULLCHAR && *src != ',') {
13512 *(*dest)++ = *src++;
13518 DefaultFileName (char *ext)
13520 static char def[MSG_SIZ];
13523 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13525 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13527 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13529 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13536 /* Save the current game to the given file */
13538 SaveGameToFile (char *filename, int append)
13542 int result, i, t,tot=0;
13544 if (strcmp(filename, "-") == 0) {
13545 return SaveGame(stdout, 0, NULL);
13547 for(i=0; i<10; i++) { // upto 10 tries
13548 f = fopen(filename, append ? "a" : "w");
13549 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13550 if(f || errno != 13) break;
13551 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13555 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13556 DisplayError(buf, errno);
13559 safeStrCpy(buf, lastMsg, MSG_SIZ);
13560 DisplayMessage(_("Waiting for access to save file"), "");
13561 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13562 DisplayMessage(_("Saving game"), "");
13563 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13564 result = SaveGame(f, 0, NULL);
13565 DisplayMessage(buf, "");
13572 SavePart (char *str)
13574 static char buf[MSG_SIZ];
13577 p = strchr(str, ' ');
13578 if (p == NULL) return str;
13579 strncpy(buf, str, p - str);
13580 buf[p - str] = NULLCHAR;
13584 #define PGN_MAX_LINE 75
13586 #define PGN_SIDE_WHITE 0
13587 #define PGN_SIDE_BLACK 1
13590 FindFirstMoveOutOfBook (int side)
13594 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13595 int index = backwardMostMove;
13596 int has_book_hit = 0;
13598 if( (index % 2) != side ) {
13602 while( index < forwardMostMove ) {
13603 /* Check to see if engine is in book */
13604 int depth = pvInfoList[index].depth;
13605 int score = pvInfoList[index].score;
13611 else if( score == 0 && depth == 63 ) {
13612 in_book = 1; /* Zappa */
13614 else if( score == 2 && depth == 99 ) {
13615 in_book = 1; /* Abrok */
13618 has_book_hit += in_book;
13634 GetOutOfBookInfo (char * buf)
13638 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13640 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13641 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13645 if( oob[0] >= 0 || oob[1] >= 0 ) {
13646 for( i=0; i<2; i++ ) {
13650 if( i > 0 && oob[0] >= 0 ) {
13651 strcat( buf, " " );
13654 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13655 sprintf( buf+strlen(buf), "%s%.2f",
13656 pvInfoList[idx].score >= 0 ? "+" : "",
13657 pvInfoList[idx].score / 100.0 );
13663 /* Save game in PGN style */
13665 SaveGamePGN2 (FILE *f)
13667 int i, offset, linelen, newblock;
13670 int movelen, numlen, blank;
13671 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13673 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13675 PrintPGNTags(f, &gameInfo);
13677 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13679 if (backwardMostMove > 0 || startedFromSetupPosition) {
13680 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13681 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13682 fprintf(f, "\n{--------------\n");
13683 PrintPosition(f, backwardMostMove);
13684 fprintf(f, "--------------}\n");
13688 /* [AS] Out of book annotation */
13689 if( appData.saveOutOfBookInfo ) {
13692 GetOutOfBookInfo( buf );
13694 if( buf[0] != '\0' ) {
13695 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13702 i = backwardMostMove;
13706 while (i < forwardMostMove) {
13707 /* Print comments preceding this move */
13708 if (commentList[i] != NULL) {
13709 if (linelen > 0) fprintf(f, "\n");
13710 fprintf(f, "%s", commentList[i]);
13715 /* Format move number */
13717 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13720 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13722 numtext[0] = NULLCHAR;
13724 numlen = strlen(numtext);
13727 /* Print move number */
13728 blank = linelen > 0 && numlen > 0;
13729 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13738 fprintf(f, "%s", numtext);
13742 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13743 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13746 blank = linelen > 0 && movelen > 0;
13747 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13756 fprintf(f, "%s", move_buffer);
13757 linelen += movelen;
13759 /* [AS] Add PV info if present */
13760 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13761 /* [HGM] add time */
13762 char buf[MSG_SIZ]; int seconds;
13764 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13770 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13773 seconds = (seconds + 4)/10; // round to full seconds
13775 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13777 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13780 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13781 pvInfoList[i].score >= 0 ? "+" : "",
13782 pvInfoList[i].score / 100.0,
13783 pvInfoList[i].depth,
13786 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13788 /* Print score/depth */
13789 blank = linelen > 0 && movelen > 0;
13790 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13799 fprintf(f, "%s", move_buffer);
13800 linelen += movelen;
13806 /* Start a new line */
13807 if (linelen > 0) fprintf(f, "\n");
13809 /* Print comments after last move */
13810 if (commentList[i] != NULL) {
13811 fprintf(f, "%s\n", commentList[i]);
13815 if (gameInfo.resultDetails != NULL &&
13816 gameInfo.resultDetails[0] != NULLCHAR) {
13817 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13818 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13819 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13820 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13821 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13823 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13827 /* Save game in PGN style and close the file */
13829 SaveGamePGN (FILE *f)
13833 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13837 /* Save game in old style and close the file */
13839 SaveGameOldStyle (FILE *f)
13844 tm = time((time_t *) NULL);
13846 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13849 if (backwardMostMove > 0 || startedFromSetupPosition) {
13850 fprintf(f, "\n[--------------\n");
13851 PrintPosition(f, backwardMostMove);
13852 fprintf(f, "--------------]\n");
13857 i = backwardMostMove;
13858 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13860 while (i < forwardMostMove) {
13861 if (commentList[i] != NULL) {
13862 fprintf(f, "[%s]\n", commentList[i]);
13865 if ((i % 2) == 1) {
13866 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13869 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13871 if (commentList[i] != NULL) {
13875 if (i >= forwardMostMove) {
13879 fprintf(f, "%s\n", parseList[i]);
13884 if (commentList[i] != NULL) {
13885 fprintf(f, "[%s]\n", commentList[i]);
13888 /* This isn't really the old style, but it's close enough */
13889 if (gameInfo.resultDetails != NULL &&
13890 gameInfo.resultDetails[0] != NULLCHAR) {
13891 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13892 gameInfo.resultDetails);
13894 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13901 /* Save the current game to open file f and close the file */
13903 SaveGame (FILE *f, int dummy, char *dummy2)
13905 if (gameMode == EditPosition) EditPositionDone(TRUE);
13906 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13907 if (appData.oldSaveStyle)
13908 return SaveGameOldStyle(f);
13910 return SaveGamePGN(f);
13913 /* Save the current position to the given file */
13915 SavePositionToFile (char *filename)
13920 if (strcmp(filename, "-") == 0) {
13921 return SavePosition(stdout, 0, NULL);
13923 f = fopen(filename, "a");
13925 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13926 DisplayError(buf, errno);
13929 safeStrCpy(buf, lastMsg, MSG_SIZ);
13930 DisplayMessage(_("Waiting for access to save file"), "");
13931 flock(fileno(f), LOCK_EX); // [HGM] lock
13932 DisplayMessage(_("Saving position"), "");
13933 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13934 SavePosition(f, 0, NULL);
13935 DisplayMessage(buf, "");
13941 /* Save the current position to the given open file and close the file */
13943 SavePosition (FILE *f, int dummy, char *dummy2)
13948 if (gameMode == EditPosition) EditPositionDone(TRUE);
13949 if (appData.oldSaveStyle) {
13950 tm = time((time_t *) NULL);
13952 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13954 fprintf(f, "[--------------\n");
13955 PrintPosition(f, currentMove);
13956 fprintf(f, "--------------]\n");
13958 fen = PositionToFEN(currentMove, NULL, 1);
13959 fprintf(f, "%s\n", fen);
13967 ReloadCmailMsgEvent (int unregister)
13970 static char *inFilename = NULL;
13971 static char *outFilename;
13973 struct stat inbuf, outbuf;
13976 /* Any registered moves are unregistered if unregister is set, */
13977 /* i.e. invoked by the signal handler */
13979 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13980 cmailMoveRegistered[i] = FALSE;
13981 if (cmailCommentList[i] != NULL) {
13982 free(cmailCommentList[i]);
13983 cmailCommentList[i] = NULL;
13986 nCmailMovesRegistered = 0;
13989 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13990 cmailResult[i] = CMAIL_NOT_RESULT;
13994 if (inFilename == NULL) {
13995 /* Because the filenames are static they only get malloced once */
13996 /* and they never get freed */
13997 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13998 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14000 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14001 sprintf(outFilename, "%s.out", appData.cmailGameName);
14004 status = stat(outFilename, &outbuf);
14006 cmailMailedMove = FALSE;
14008 status = stat(inFilename, &inbuf);
14009 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14012 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14013 counts the games, notes how each one terminated, etc.
14015 It would be nice to remove this kludge and instead gather all
14016 the information while building the game list. (And to keep it
14017 in the game list nodes instead of having a bunch of fixed-size
14018 parallel arrays.) Note this will require getting each game's
14019 termination from the PGN tags, as the game list builder does
14020 not process the game moves. --mann
14022 cmailMsgLoaded = TRUE;
14023 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14025 /* Load first game in the file or popup game menu */
14026 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14028 #endif /* !WIN32 */
14036 char string[MSG_SIZ];
14038 if ( cmailMailedMove
14039 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14040 return TRUE; /* Allow free viewing */
14043 /* Unregister move to ensure that we don't leave RegisterMove */
14044 /* with the move registered when the conditions for registering no */
14046 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14047 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14048 nCmailMovesRegistered --;
14050 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14052 free(cmailCommentList[lastLoadGameNumber - 1]);
14053 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14057 if (cmailOldMove == -1) {
14058 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14062 if (currentMove > cmailOldMove + 1) {
14063 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14067 if (currentMove < cmailOldMove) {
14068 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14072 if (forwardMostMove > currentMove) {
14073 /* Silently truncate extra moves */
14077 if ( (currentMove == cmailOldMove + 1)
14078 || ( (currentMove == cmailOldMove)
14079 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14080 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14081 if (gameInfo.result != GameUnfinished) {
14082 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14085 if (commentList[currentMove] != NULL) {
14086 cmailCommentList[lastLoadGameNumber - 1]
14087 = StrSave(commentList[currentMove]);
14089 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14091 if (appData.debugMode)
14092 fprintf(debugFP, "Saving %s for game %d\n",
14093 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14095 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14097 f = fopen(string, "w");
14098 if (appData.oldSaveStyle) {
14099 SaveGameOldStyle(f); /* also closes the file */
14101 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14102 f = fopen(string, "w");
14103 SavePosition(f, 0, NULL); /* also closes the file */
14105 fprintf(f, "{--------------\n");
14106 PrintPosition(f, currentMove);
14107 fprintf(f, "--------------}\n\n");
14109 SaveGame(f, 0, NULL); /* also closes the file*/
14112 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14113 nCmailMovesRegistered ++;
14114 } else if (nCmailGames == 1) {
14115 DisplayError(_("You have not made a move yet"), 0);
14126 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14127 FILE *commandOutput;
14128 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14129 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14135 if (! cmailMsgLoaded) {
14136 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14140 if (nCmailGames == nCmailResults) {
14141 DisplayError(_("No unfinished games"), 0);
14145 #if CMAIL_PROHIBIT_REMAIL
14146 if (cmailMailedMove) {
14147 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);
14148 DisplayError(msg, 0);
14153 if (! (cmailMailedMove || RegisterMove())) return;
14155 if ( cmailMailedMove
14156 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14157 snprintf(string, MSG_SIZ, partCommandString,
14158 appData.debugMode ? " -v" : "", appData.cmailGameName);
14159 commandOutput = popen(string, "r");
14161 if (commandOutput == NULL) {
14162 DisplayError(_("Failed to invoke cmail"), 0);
14164 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14165 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14167 if (nBuffers > 1) {
14168 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14169 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14170 nBytes = MSG_SIZ - 1;
14172 (void) memcpy(msg, buffer, nBytes);
14174 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14176 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14177 cmailMailedMove = TRUE; /* Prevent >1 moves */
14180 for (i = 0; i < nCmailGames; i ++) {
14181 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14186 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14188 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14190 appData.cmailGameName,
14192 LoadGameFromFile(buffer, 1, buffer, FALSE);
14193 cmailMsgLoaded = FALSE;
14197 DisplayInformation(msg);
14198 pclose(commandOutput);
14201 if ((*cmailMsg) != '\0') {
14202 DisplayInformation(cmailMsg);
14207 #endif /* !WIN32 */
14216 int prependComma = 0;
14218 char string[MSG_SIZ]; /* Space for game-list */
14221 if (!cmailMsgLoaded) return "";
14223 if (cmailMailedMove) {
14224 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14226 /* Create a list of games left */
14227 snprintf(string, MSG_SIZ, "[");
14228 for (i = 0; i < nCmailGames; i ++) {
14229 if (! ( cmailMoveRegistered[i]
14230 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14231 if (prependComma) {
14232 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14234 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14238 strcat(string, number);
14241 strcat(string, "]");
14243 if (nCmailMovesRegistered + nCmailResults == 0) {
14244 switch (nCmailGames) {
14246 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14250 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14254 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14259 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14261 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14266 if (nCmailResults == nCmailGames) {
14267 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14269 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14274 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14286 if (gameMode == Training)
14287 SetTrainingModeOff();
14290 cmailMsgLoaded = FALSE;
14291 if (appData.icsActive) {
14292 SendToICS(ics_prefix);
14293 SendToICS("refresh\n");
14298 ExitEvent (int status)
14302 /* Give up on clean exit */
14306 /* Keep trying for clean exit */
14310 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14311 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14313 if (telnetISR != NULL) {
14314 RemoveInputSource(telnetISR);
14316 if (icsPR != NoProc) {
14317 DestroyChildProcess(icsPR, TRUE);
14320 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14321 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14323 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14324 /* make sure this other one finishes before killing it! */
14325 if(endingGame) { int count = 0;
14326 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14327 while(endingGame && count++ < 10) DoSleep(1);
14328 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14331 /* Kill off chess programs */
14332 if (first.pr != NoProc) {
14335 DoSleep( appData.delayBeforeQuit );
14336 SendToProgram("quit\n", &first);
14337 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14339 if (second.pr != NoProc) {
14340 DoSleep( appData.delayBeforeQuit );
14341 SendToProgram("quit\n", &second);
14342 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14344 if (first.isr != NULL) {
14345 RemoveInputSource(first.isr);
14347 if (second.isr != NULL) {
14348 RemoveInputSource(second.isr);
14351 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14352 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14354 ShutDownFrontEnd();
14359 PauseEngine (ChessProgramState *cps)
14361 SendToProgram("pause\n", cps);
14366 UnPauseEngine (ChessProgramState *cps)
14368 SendToProgram("resume\n", cps);
14375 if (appData.debugMode)
14376 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14380 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14382 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14383 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14384 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14386 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14387 HandleMachineMove(stashedInputMove, stalledEngine);
14388 stalledEngine = NULL;
14391 if (gameMode == MachinePlaysWhite ||
14392 gameMode == TwoMachinesPlay ||
14393 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14394 if(first.pause) UnPauseEngine(&first);
14395 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14396 if(second.pause) UnPauseEngine(&second);
14397 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14400 DisplayBothClocks();
14402 if (gameMode == PlayFromGameFile) {
14403 if (appData.timeDelay >= 0)
14404 AutoPlayGameLoop();
14405 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14406 Reset(FALSE, TRUE);
14407 SendToICS(ics_prefix);
14408 SendToICS("refresh\n");
14409 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14410 ForwardInner(forwardMostMove);
14412 pauseExamInvalid = FALSE;
14414 switch (gameMode) {
14418 pauseExamForwardMostMove = forwardMostMove;
14419 pauseExamInvalid = FALSE;
14422 case IcsPlayingWhite:
14423 case IcsPlayingBlack:
14427 case PlayFromGameFile:
14428 (void) StopLoadGameTimer();
14432 case BeginningOfGame:
14433 if (appData.icsActive) return;
14434 /* else fall through */
14435 case MachinePlaysWhite:
14436 case MachinePlaysBlack:
14437 case TwoMachinesPlay:
14438 if (forwardMostMove == 0)
14439 return; /* don't pause if no one has moved */
14440 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14441 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14442 if(onMove->pause) { // thinking engine can be paused
14443 PauseEngine(onMove); // do it
14444 if(onMove->other->pause) // pondering opponent can always be paused immediately
14445 PauseEngine(onMove->other);
14447 SendToProgram("easy\n", onMove->other);
14449 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14450 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14452 PauseEngine(&first);
14454 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14455 } else { // human on move, pause pondering by either method
14457 PauseEngine(&first);
14458 else if(appData.ponderNextMove)
14459 SendToProgram("easy\n", &first);
14462 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14472 EditCommentEvent ()
14474 char title[MSG_SIZ];
14476 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14477 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14479 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14480 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14481 parseList[currentMove - 1]);
14484 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14491 char *tags = PGNTags(&gameInfo);
14493 EditTagsPopUp(tags, NULL);
14500 if(second.analyzing) {
14501 SendToProgram("exit\n", &second);
14502 second.analyzing = FALSE;
14504 if (second.pr == NoProc) StartChessProgram(&second);
14505 InitChessProgram(&second, FALSE);
14506 FeedMovesToProgram(&second, currentMove);
14508 SendToProgram("analyze\n", &second);
14509 second.analyzing = TRUE;
14513 /* Toggle ShowThinking */
14515 ToggleShowThinking()
14517 appData.showThinking = !appData.showThinking;
14518 ShowThinkingEvent();
14522 AnalyzeModeEvent ()
14526 if (!first.analysisSupport) {
14527 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14528 DisplayError(buf, 0);
14531 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14532 if (appData.icsActive) {
14533 if (gameMode != IcsObserving) {
14534 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14535 DisplayError(buf, 0);
14537 if (appData.icsEngineAnalyze) {
14538 if (appData.debugMode)
14539 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14545 /* if enable, user wants to disable icsEngineAnalyze */
14546 if (appData.icsEngineAnalyze) {
14551 appData.icsEngineAnalyze = TRUE;
14552 if (appData.debugMode)
14553 fprintf(debugFP, "ICS engine analyze starting... \n");
14556 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14557 if (appData.noChessProgram || gameMode == AnalyzeMode)
14560 if (gameMode != AnalyzeFile) {
14561 if (!appData.icsEngineAnalyze) {
14563 if (gameMode != EditGame) return 0;
14565 if (!appData.showThinking) ToggleShowThinking();
14566 ResurrectChessProgram();
14567 SendToProgram("analyze\n", &first);
14568 first.analyzing = TRUE;
14569 /*first.maybeThinking = TRUE;*/
14570 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14571 EngineOutputPopUp();
14573 if (!appData.icsEngineAnalyze) {
14574 gameMode = AnalyzeMode;
14575 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14581 StartAnalysisClock();
14582 GetTimeMark(&lastNodeCountTime);
14588 AnalyzeFileEvent ()
14590 if (appData.noChessProgram || gameMode == AnalyzeFile)
14593 if (!first.analysisSupport) {
14595 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14596 DisplayError(buf, 0);
14600 if (gameMode != AnalyzeMode) {
14601 keepInfo = 1; // mere annotating should not alter PGN tags
14604 if (gameMode != EditGame) return;
14605 if (!appData.showThinking) ToggleShowThinking();
14606 ResurrectChessProgram();
14607 SendToProgram("analyze\n", &first);
14608 first.analyzing = TRUE;
14609 /*first.maybeThinking = TRUE;*/
14610 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14611 EngineOutputPopUp();
14613 gameMode = AnalyzeFile;
14617 StartAnalysisClock();
14618 GetTimeMark(&lastNodeCountTime);
14620 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14621 AnalysisPeriodicEvent(1);
14625 MachineWhiteEvent ()
14628 char *bookHit = NULL;
14630 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14634 if (gameMode == PlayFromGameFile ||
14635 gameMode == TwoMachinesPlay ||
14636 gameMode == Training ||
14637 gameMode == AnalyzeMode ||
14638 gameMode == EndOfGame)
14641 if (gameMode == EditPosition)
14642 EditPositionDone(TRUE);
14644 if (!WhiteOnMove(currentMove)) {
14645 DisplayError(_("It is not White's turn"), 0);
14649 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14652 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14653 gameMode == AnalyzeFile)
14656 ResurrectChessProgram(); /* in case it isn't running */
14657 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14658 gameMode = MachinePlaysWhite;
14661 gameMode = MachinePlaysWhite;
14665 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14667 if (first.sendName) {
14668 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14669 SendToProgram(buf, &first);
14671 if (first.sendTime) {
14672 if (first.useColors) {
14673 SendToProgram("black\n", &first); /*gnu kludge*/
14675 SendTimeRemaining(&first, TRUE);
14677 if (first.useColors) {
14678 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14680 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14681 SetMachineThinkingEnables();
14682 first.maybeThinking = TRUE;
14686 if (appData.autoFlipView && !flipView) {
14687 flipView = !flipView;
14688 DrawPosition(FALSE, NULL);
14689 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14692 if(bookHit) { // [HGM] book: simulate book reply
14693 static char bookMove[MSG_SIZ]; // a bit generous?
14695 programStats.nodes = programStats.depth = programStats.time =
14696 programStats.score = programStats.got_only_move = 0;
14697 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14699 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14700 strcat(bookMove, bookHit);
14701 HandleMachineMove(bookMove, &first);
14706 MachineBlackEvent ()
14709 char *bookHit = NULL;
14711 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14715 if (gameMode == PlayFromGameFile ||
14716 gameMode == TwoMachinesPlay ||
14717 gameMode == Training ||
14718 gameMode == AnalyzeMode ||
14719 gameMode == EndOfGame)
14722 if (gameMode == EditPosition)
14723 EditPositionDone(TRUE);
14725 if (WhiteOnMove(currentMove)) {
14726 DisplayError(_("It is not Black's turn"), 0);
14730 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14733 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14734 gameMode == AnalyzeFile)
14737 ResurrectChessProgram(); /* in case it isn't running */
14738 gameMode = MachinePlaysBlack;
14742 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14744 if (first.sendName) {
14745 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14746 SendToProgram(buf, &first);
14748 if (first.sendTime) {
14749 if (first.useColors) {
14750 SendToProgram("white\n", &first); /*gnu kludge*/
14752 SendTimeRemaining(&first, FALSE);
14754 if (first.useColors) {
14755 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14757 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14758 SetMachineThinkingEnables();
14759 first.maybeThinking = TRUE;
14762 if (appData.autoFlipView && flipView) {
14763 flipView = !flipView;
14764 DrawPosition(FALSE, NULL);
14765 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14767 if(bookHit) { // [HGM] book: simulate book reply
14768 static char bookMove[MSG_SIZ]; // a bit generous?
14770 programStats.nodes = programStats.depth = programStats.time =
14771 programStats.score = programStats.got_only_move = 0;
14772 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14774 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14775 strcat(bookMove, bookHit);
14776 HandleMachineMove(bookMove, &first);
14782 DisplayTwoMachinesTitle ()
14785 if (appData.matchGames > 0) {
14786 if(appData.tourneyFile[0]) {
14787 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14788 gameInfo.white, _("vs."), gameInfo.black,
14789 nextGame+1, appData.matchGames+1,
14790 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14792 if (first.twoMachinesColor[0] == 'w') {
14793 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14794 gameInfo.white, _("vs."), gameInfo.black,
14795 first.matchWins, second.matchWins,
14796 matchGame - 1 - (first.matchWins + second.matchWins));
14798 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14799 gameInfo.white, _("vs."), gameInfo.black,
14800 second.matchWins, first.matchWins,
14801 matchGame - 1 - (first.matchWins + second.matchWins));
14804 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14810 SettingsMenuIfReady ()
14812 if (second.lastPing != second.lastPong) {
14813 DisplayMessage("", _("Waiting for second chess program"));
14814 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14818 DisplayMessage("", "");
14819 SettingsPopUp(&second);
14823 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14826 if (cps->pr == NoProc) {
14827 StartChessProgram(cps);
14828 if (cps->protocolVersion == 1) {
14830 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14832 /* kludge: allow timeout for initial "feature" command */
14833 if(retry != TwoMachinesEventIfReady) FreezeUI();
14834 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14835 DisplayMessage("", buf);
14836 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14844 TwoMachinesEvent P((void))
14848 ChessProgramState *onmove;
14849 char *bookHit = NULL;
14850 static int stalling = 0;
14854 if (appData.noChessProgram) return;
14856 switch (gameMode) {
14857 case TwoMachinesPlay:
14859 case MachinePlaysWhite:
14860 case MachinePlaysBlack:
14861 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14862 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14866 case BeginningOfGame:
14867 case PlayFromGameFile:
14870 if (gameMode != EditGame) return;
14873 EditPositionDone(TRUE);
14884 // forwardMostMove = currentMove;
14885 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14886 startingEngine = TRUE;
14888 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14890 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14891 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14892 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14895 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14897 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14898 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14899 startingEngine = matchMode = FALSE;
14900 DisplayError("second engine does not play this", 0);
14901 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14902 EditGameEvent(); // switch back to EditGame mode
14907 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14908 SendToProgram("force\n", &second);
14910 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14913 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14914 if(appData.matchPause>10000 || appData.matchPause<10)
14915 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14916 wait = SubtractTimeMarks(&now, &pauseStart);
14917 if(wait < appData.matchPause) {
14918 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14921 // we are now committed to starting the game
14923 DisplayMessage("", "");
14924 if (startedFromSetupPosition) {
14925 SendBoard(&second, backwardMostMove);
14926 if (appData.debugMode) {
14927 fprintf(debugFP, "Two Machines\n");
14930 for (i = backwardMostMove; i < forwardMostMove; i++) {
14931 SendMoveToProgram(i, &second);
14934 gameMode = TwoMachinesPlay;
14935 pausing = startingEngine = FALSE;
14936 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14938 DisplayTwoMachinesTitle();
14940 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14945 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14946 SendToProgram(first.computerString, &first);
14947 if (first.sendName) {
14948 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14949 SendToProgram(buf, &first);
14951 SendToProgram(second.computerString, &second);
14952 if (second.sendName) {
14953 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14954 SendToProgram(buf, &second);
14958 if (!first.sendTime || !second.sendTime) {
14959 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14960 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14962 if (onmove->sendTime) {
14963 if (onmove->useColors) {
14964 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14966 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14968 if (onmove->useColors) {
14969 SendToProgram(onmove->twoMachinesColor, onmove);
14971 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14972 // SendToProgram("go\n", onmove);
14973 onmove->maybeThinking = TRUE;
14974 SetMachineThinkingEnables();
14978 if(bookHit) { // [HGM] book: simulate book reply
14979 static char bookMove[MSG_SIZ]; // a bit generous?
14981 programStats.nodes = programStats.depth = programStats.time =
14982 programStats.score = programStats.got_only_move = 0;
14983 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14985 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14986 strcat(bookMove, bookHit);
14987 savedMessage = bookMove; // args for deferred call
14988 savedState = onmove;
14989 ScheduleDelayedEvent(DeferredBookMove, 1);
14996 if (gameMode == Training) {
14997 SetTrainingModeOff();
14998 gameMode = PlayFromGameFile;
14999 DisplayMessage("", _("Training mode off"));
15001 gameMode = Training;
15002 animateTraining = appData.animate;
15004 /* make sure we are not already at the end of the game */
15005 if (currentMove < forwardMostMove) {
15006 SetTrainingModeOn();
15007 DisplayMessage("", _("Training mode on"));
15009 gameMode = PlayFromGameFile;
15010 DisplayError(_("Already at end of game"), 0);
15019 if (!appData.icsActive) return;
15020 switch (gameMode) {
15021 case IcsPlayingWhite:
15022 case IcsPlayingBlack:
15025 case BeginningOfGame:
15033 EditPositionDone(TRUE);
15046 gameMode = IcsIdle;
15056 switch (gameMode) {
15058 SetTrainingModeOff();
15060 case MachinePlaysWhite:
15061 case MachinePlaysBlack:
15062 case BeginningOfGame:
15063 SendToProgram("force\n", &first);
15064 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15065 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15067 abortEngineThink = TRUE;
15068 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15069 SendToProgram(buf, &first);
15070 DisplayMessage("Aborting engine think", "");
15074 SetUserThinkingEnables();
15076 case PlayFromGameFile:
15077 (void) StopLoadGameTimer();
15078 if (gameFileFP != NULL) {
15083 EditPositionDone(TRUE);
15088 SendToProgram("force\n", &first);
15090 case TwoMachinesPlay:
15091 GameEnds(EndOfFile, NULL, GE_PLAYER);
15092 ResurrectChessProgram();
15093 SetUserThinkingEnables();
15096 ResurrectChessProgram();
15098 case IcsPlayingBlack:
15099 case IcsPlayingWhite:
15100 DisplayError(_("Warning: You are still playing a game"), 0);
15103 DisplayError(_("Warning: You are still observing a game"), 0);
15106 DisplayError(_("Warning: You are still examining a game"), 0);
15117 first.offeredDraw = second.offeredDraw = 0;
15119 if (gameMode == PlayFromGameFile) {
15120 whiteTimeRemaining = timeRemaining[0][currentMove];
15121 blackTimeRemaining = timeRemaining[1][currentMove];
15125 if (gameMode == MachinePlaysWhite ||
15126 gameMode == MachinePlaysBlack ||
15127 gameMode == TwoMachinesPlay ||
15128 gameMode == EndOfGame) {
15129 i = forwardMostMove;
15130 while (i > currentMove) {
15131 SendToProgram("undo\n", &first);
15134 if(!adjustedClock) {
15135 whiteTimeRemaining = timeRemaining[0][currentMove];
15136 blackTimeRemaining = timeRemaining[1][currentMove];
15137 DisplayBothClocks();
15139 if (whiteFlag || blackFlag) {
15140 whiteFlag = blackFlag = 0;
15145 gameMode = EditGame;
15152 EditPositionEvent ()
15154 if (gameMode == EditPosition) {
15160 if (gameMode != EditGame) return;
15162 gameMode = EditPosition;
15165 if (currentMove > 0)
15166 CopyBoard(boards[0], boards[currentMove]);
15168 blackPlaysFirst = !WhiteOnMove(currentMove);
15170 currentMove = forwardMostMove = backwardMostMove = 0;
15171 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15173 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15179 /* [DM] icsEngineAnalyze - possible call from other functions */
15180 if (appData.icsEngineAnalyze) {
15181 appData.icsEngineAnalyze = FALSE;
15183 DisplayMessage("",_("Close ICS engine analyze..."));
15185 if (first.analysisSupport && first.analyzing) {
15186 SendToBoth("exit\n");
15187 first.analyzing = second.analyzing = FALSE;
15189 thinkOutput[0] = NULLCHAR;
15193 EditPositionDone (Boolean fakeRights)
15195 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15197 startedFromSetupPosition = TRUE;
15198 InitChessProgram(&first, FALSE);
15199 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15200 boards[0][EP_STATUS] = EP_NONE;
15201 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15202 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15203 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15204 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15205 } else boards[0][CASTLING][2] = NoRights;
15206 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15207 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15208 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15209 } else boards[0][CASTLING][5] = NoRights;
15210 if(gameInfo.variant == VariantSChess) {
15212 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15213 boards[0][VIRGIN][i] = 0;
15214 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15215 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15219 SendToProgram("force\n", &first);
15220 if (blackPlaysFirst) {
15221 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15222 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15223 currentMove = forwardMostMove = backwardMostMove = 1;
15224 CopyBoard(boards[1], boards[0]);
15226 currentMove = forwardMostMove = backwardMostMove = 0;
15228 SendBoard(&first, forwardMostMove);
15229 if (appData.debugMode) {
15230 fprintf(debugFP, "EditPosDone\n");
15233 DisplayMessage("", "");
15234 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15235 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15236 gameMode = EditGame;
15238 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15239 ClearHighlights(); /* [AS] */
15242 /* Pause for `ms' milliseconds */
15243 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15245 TimeDelay (long ms)
15252 } while (SubtractTimeMarks(&m2, &m1) < ms);
15255 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15257 SendMultiLineToICS (char *buf)
15259 char temp[MSG_SIZ+1], *p;
15266 strncpy(temp, buf, len);
15271 if (*p == '\n' || *p == '\r')
15276 strcat(temp, "\n");
15278 SendToPlayer(temp, strlen(temp));
15282 SetWhiteToPlayEvent ()
15284 if (gameMode == EditPosition) {
15285 blackPlaysFirst = FALSE;
15286 DisplayBothClocks(); /* works because currentMove is 0 */
15287 } else if (gameMode == IcsExamining) {
15288 SendToICS(ics_prefix);
15289 SendToICS("tomove white\n");
15294 SetBlackToPlayEvent ()
15296 if (gameMode == EditPosition) {
15297 blackPlaysFirst = TRUE;
15298 currentMove = 1; /* kludge */
15299 DisplayBothClocks();
15301 } else if (gameMode == IcsExamining) {
15302 SendToICS(ics_prefix);
15303 SendToICS("tomove black\n");
15308 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15311 ChessSquare piece = boards[0][y][x];
15312 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15313 static int lastVariant;
15315 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15317 switch (selection) {
15319 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15320 MarkTargetSquares(1);
15321 CopyBoard(currentBoard, boards[0]);
15322 CopyBoard(menuBoard, initialPosition);
15323 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15324 SendToICS(ics_prefix);
15325 SendToICS("bsetup clear\n");
15326 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15327 SendToICS(ics_prefix);
15328 SendToICS("clearboard\n");
15331 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15332 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15333 for (y = 0; y < BOARD_HEIGHT; y++) {
15334 if (gameMode == IcsExamining) {
15335 if (boards[currentMove][y][x] != EmptySquare) {
15336 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15340 } else if(boards[0][y][x] != DarkSquare) {
15341 if(boards[0][y][x] != p) nonEmpty++;
15342 boards[0][y][x] = p;
15346 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15348 for(r = 0; r < BOARD_HEIGHT; r++) {
15349 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15350 ChessSquare p = menuBoard[r][x];
15351 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15354 DisplayMessage("Clicking clock again restores position", "");
15355 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15356 if(!nonEmpty) { // asked to clear an empty board
15357 CopyBoard(boards[0], menuBoard);
15359 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15360 CopyBoard(boards[0], initialPosition);
15362 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15363 && !CompareBoards(nullBoard, erasedBoard)) {
15364 CopyBoard(boards[0], erasedBoard);
15366 CopyBoard(erasedBoard, currentBoard);
15370 if (gameMode == EditPosition) {
15371 DrawPosition(FALSE, boards[0]);
15376 SetWhiteToPlayEvent();
15380 SetBlackToPlayEvent();
15384 if (gameMode == IcsExamining) {
15385 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15386 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15389 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15390 if(x == BOARD_LEFT-2) {
15391 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15392 boards[0][y][1] = 0;
15394 if(x == BOARD_RGHT+1) {
15395 if(y >= gameInfo.holdingsSize) break;
15396 boards[0][y][BOARD_WIDTH-2] = 0;
15399 boards[0][y][x] = EmptySquare;
15400 DrawPosition(FALSE, boards[0]);
15405 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15406 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15407 selection = (ChessSquare) (PROMOTED(piece));
15408 } else if(piece == EmptySquare) selection = WhiteSilver;
15409 else selection = (ChessSquare)((int)piece - 1);
15413 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15414 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15415 selection = (ChessSquare) (DEMOTED(piece));
15416 } else if(piece == EmptySquare) selection = BlackSilver;
15417 else selection = (ChessSquare)((int)piece + 1);
15422 if(gameInfo.variant == VariantShatranj ||
15423 gameInfo.variant == VariantXiangqi ||
15424 gameInfo.variant == VariantCourier ||
15425 gameInfo.variant == VariantASEAN ||
15426 gameInfo.variant == VariantMakruk )
15427 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15432 if(gameInfo.variant == VariantXiangqi)
15433 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15434 if(gameInfo.variant == VariantKnightmate)
15435 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15438 if (gameMode == IcsExamining) {
15439 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15440 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15441 PieceToChar(selection), AAA + x, ONE + y);
15444 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15446 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15447 n = PieceToNumber(selection - BlackPawn);
15448 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15449 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15450 boards[0][BOARD_HEIGHT-1-n][1]++;
15452 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15453 n = PieceToNumber(selection);
15454 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15455 boards[0][n][BOARD_WIDTH-1] = selection;
15456 boards[0][n][BOARD_WIDTH-2]++;
15459 boards[0][y][x] = selection;
15460 DrawPosition(TRUE, boards[0]);
15462 fromX = fromY = -1;
15470 DropMenuEvent (ChessSquare selection, int x, int y)
15472 ChessMove moveType;
15474 switch (gameMode) {
15475 case IcsPlayingWhite:
15476 case MachinePlaysBlack:
15477 if (!WhiteOnMove(currentMove)) {
15478 DisplayMoveError(_("It is Black's turn"));
15481 moveType = WhiteDrop;
15483 case IcsPlayingBlack:
15484 case MachinePlaysWhite:
15485 if (WhiteOnMove(currentMove)) {
15486 DisplayMoveError(_("It is White's turn"));
15489 moveType = BlackDrop;
15492 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15498 if (moveType == BlackDrop && selection < BlackPawn) {
15499 selection = (ChessSquare) ((int) selection
15500 + (int) BlackPawn - (int) WhitePawn);
15502 if (boards[currentMove][y][x] != EmptySquare) {
15503 DisplayMoveError(_("That square is occupied"));
15507 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15513 /* Accept a pending offer of any kind from opponent */
15515 if (appData.icsActive) {
15516 SendToICS(ics_prefix);
15517 SendToICS("accept\n");
15518 } else if (cmailMsgLoaded) {
15519 if (currentMove == cmailOldMove &&
15520 commentList[cmailOldMove] != NULL &&
15521 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15522 "Black offers a draw" : "White offers a draw")) {
15524 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15525 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15527 DisplayError(_("There is no pending offer on this move"), 0);
15528 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15531 /* Not used for offers from chess program */
15538 /* Decline a pending offer of any kind from opponent */
15540 if (appData.icsActive) {
15541 SendToICS(ics_prefix);
15542 SendToICS("decline\n");
15543 } else if (cmailMsgLoaded) {
15544 if (currentMove == cmailOldMove &&
15545 commentList[cmailOldMove] != NULL &&
15546 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15547 "Black offers a draw" : "White offers a draw")) {
15549 AppendComment(cmailOldMove, "Draw declined", TRUE);
15550 DisplayComment(cmailOldMove - 1, "Draw declined");
15553 DisplayError(_("There is no pending offer on this move"), 0);
15556 /* Not used for offers from chess program */
15563 /* Issue ICS rematch command */
15564 if (appData.icsActive) {
15565 SendToICS(ics_prefix);
15566 SendToICS("rematch\n");
15573 /* Call your opponent's flag (claim a win on time) */
15574 if (appData.icsActive) {
15575 SendToICS(ics_prefix);
15576 SendToICS("flag\n");
15578 switch (gameMode) {
15581 case MachinePlaysWhite:
15584 GameEnds(GameIsDrawn, "Both players ran out of time",
15587 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15589 DisplayError(_("Your opponent is not out of time"), 0);
15592 case MachinePlaysBlack:
15595 GameEnds(GameIsDrawn, "Both players ran out of time",
15598 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15600 DisplayError(_("Your opponent is not out of time"), 0);
15608 ClockClick (int which)
15609 { // [HGM] code moved to back-end from winboard.c
15610 if(which) { // black clock
15611 if (gameMode == EditPosition || gameMode == IcsExamining) {
15612 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15613 SetBlackToPlayEvent();
15614 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15615 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15616 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15617 } else if (shiftKey) {
15618 AdjustClock(which, -1);
15619 } else if (gameMode == IcsPlayingWhite ||
15620 gameMode == MachinePlaysBlack) {
15623 } else { // white clock
15624 if (gameMode == EditPosition || gameMode == IcsExamining) {
15625 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15626 SetWhiteToPlayEvent();
15627 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15628 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15629 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15630 } else if (shiftKey) {
15631 AdjustClock(which, -1);
15632 } else if (gameMode == IcsPlayingBlack ||
15633 gameMode == MachinePlaysWhite) {
15642 /* Offer draw or accept pending draw offer from opponent */
15644 if (appData.icsActive) {
15645 /* Note: tournament rules require draw offers to be
15646 made after you make your move but before you punch
15647 your clock. Currently ICS doesn't let you do that;
15648 instead, you immediately punch your clock after making
15649 a move, but you can offer a draw at any time. */
15651 SendToICS(ics_prefix);
15652 SendToICS("draw\n");
15653 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15654 } else if (cmailMsgLoaded) {
15655 if (currentMove == cmailOldMove &&
15656 commentList[cmailOldMove] != NULL &&
15657 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15658 "Black offers a draw" : "White offers a draw")) {
15659 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15660 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15661 } else if (currentMove == cmailOldMove + 1) {
15662 char *offer = WhiteOnMove(cmailOldMove) ?
15663 "White offers a draw" : "Black offers a draw";
15664 AppendComment(currentMove, offer, TRUE);
15665 DisplayComment(currentMove - 1, offer);
15666 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15668 DisplayError(_("You must make your move before offering a draw"), 0);
15669 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15671 } else if (first.offeredDraw) {
15672 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15674 if (first.sendDrawOffers) {
15675 SendToProgram("draw\n", &first);
15676 userOfferedDraw = TRUE;
15684 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15686 if (appData.icsActive) {
15687 SendToICS(ics_prefix);
15688 SendToICS("adjourn\n");
15690 /* Currently GNU Chess doesn't offer or accept Adjourns */
15698 /* Offer Abort or accept pending Abort offer from opponent */
15700 if (appData.icsActive) {
15701 SendToICS(ics_prefix);
15702 SendToICS("abort\n");
15704 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15711 /* Resign. You can do this even if it's not your turn. */
15713 if (appData.icsActive) {
15714 SendToICS(ics_prefix);
15715 SendToICS("resign\n");
15717 switch (gameMode) {
15718 case MachinePlaysWhite:
15719 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15721 case MachinePlaysBlack:
15722 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15725 if (cmailMsgLoaded) {
15727 if (WhiteOnMove(cmailOldMove)) {
15728 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15730 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15732 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15743 StopObservingEvent ()
15745 /* Stop observing current games */
15746 SendToICS(ics_prefix);
15747 SendToICS("unobserve\n");
15751 StopExaminingEvent ()
15753 /* Stop observing current game */
15754 SendToICS(ics_prefix);
15755 SendToICS("unexamine\n");
15759 ForwardInner (int target)
15761 int limit; int oldSeekGraphUp = seekGraphUp;
15763 if (appData.debugMode)
15764 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15765 target, currentMove, forwardMostMove);
15767 if (gameMode == EditPosition)
15770 seekGraphUp = FALSE;
15771 MarkTargetSquares(1);
15772 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15774 if (gameMode == PlayFromGameFile && !pausing)
15777 if (gameMode == IcsExamining && pausing)
15778 limit = pauseExamForwardMostMove;
15780 limit = forwardMostMove;
15782 if (target > limit) target = limit;
15784 if (target > 0 && moveList[target - 1][0]) {
15785 int fromX, fromY, toX, toY;
15786 toX = moveList[target - 1][2] - AAA;
15787 toY = moveList[target - 1][3] - ONE;
15788 if (moveList[target - 1][1] == '@') {
15789 if (appData.highlightLastMove) {
15790 SetHighlights(-1, -1, toX, toY);
15793 int viaX = moveList[target - 1][5] - AAA;
15794 int viaY = moveList[target - 1][6] - ONE;
15795 fromX = moveList[target - 1][0] - AAA;
15796 fromY = moveList[target - 1][1] - ONE;
15797 if (target == currentMove + 1) {
15798 if(moveList[target - 1][4] == ';') { // multi-leg
15799 ChessSquare piece = boards[currentMove][viaY][viaX];
15800 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15801 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15802 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15803 boards[currentMove][viaY][viaX] = piece;
15805 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15807 if (appData.highlightLastMove) {
15808 SetHighlights(fromX, fromY, toX, toY);
15812 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15813 gameMode == Training || gameMode == PlayFromGameFile ||
15814 gameMode == AnalyzeFile) {
15815 while (currentMove < target) {
15816 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15817 SendMoveToProgram(currentMove++, &first);
15820 currentMove = target;
15823 if (gameMode == EditGame || gameMode == EndOfGame) {
15824 whiteTimeRemaining = timeRemaining[0][currentMove];
15825 blackTimeRemaining = timeRemaining[1][currentMove];
15827 DisplayBothClocks();
15828 DisplayMove(currentMove - 1);
15829 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15830 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15831 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15832 DisplayComment(currentMove - 1, commentList[currentMove]);
15834 ClearMap(); // [HGM] exclude: invalidate map
15841 if (gameMode == IcsExamining && !pausing) {
15842 SendToICS(ics_prefix);
15843 SendToICS("forward\n");
15845 ForwardInner(currentMove + 1);
15852 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15853 /* to optimze, we temporarily turn off analysis mode while we feed
15854 * the remaining moves to the engine. Otherwise we get analysis output
15857 if (first.analysisSupport) {
15858 SendToProgram("exit\nforce\n", &first);
15859 first.analyzing = FALSE;
15863 if (gameMode == IcsExamining && !pausing) {
15864 SendToICS(ics_prefix);
15865 SendToICS("forward 999999\n");
15867 ForwardInner(forwardMostMove);
15870 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15871 /* we have fed all the moves, so reactivate analysis mode */
15872 SendToProgram("analyze\n", &first);
15873 first.analyzing = TRUE;
15874 /*first.maybeThinking = TRUE;*/
15875 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15880 BackwardInner (int target)
15882 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15884 if (appData.debugMode)
15885 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15886 target, currentMove, forwardMostMove);
15888 if (gameMode == EditPosition) return;
15889 seekGraphUp = FALSE;
15890 MarkTargetSquares(1);
15891 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15892 if (currentMove <= backwardMostMove) {
15894 DrawPosition(full_redraw, boards[currentMove]);
15897 if (gameMode == PlayFromGameFile && !pausing)
15900 if (moveList[target][0]) {
15901 int fromX, fromY, toX, toY;
15902 toX = moveList[target][2] - AAA;
15903 toY = moveList[target][3] - ONE;
15904 if (moveList[target][1] == '@') {
15905 if (appData.highlightLastMove) {
15906 SetHighlights(-1, -1, toX, toY);
15909 fromX = moveList[target][0] - AAA;
15910 fromY = moveList[target][1] - ONE;
15911 if (target == currentMove - 1) {
15912 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15914 if (appData.highlightLastMove) {
15915 SetHighlights(fromX, fromY, toX, toY);
15919 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15920 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15921 while (currentMove > target) {
15922 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15923 // null move cannot be undone. Reload program with move history before it.
15925 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15926 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15928 SendBoard(&first, i);
15929 if(second.analyzing) SendBoard(&second, i);
15930 for(currentMove=i; currentMove<target; currentMove++) {
15931 SendMoveToProgram(currentMove, &first);
15932 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15936 SendToBoth("undo\n");
15940 currentMove = target;
15943 if (gameMode == EditGame || gameMode == EndOfGame) {
15944 whiteTimeRemaining = timeRemaining[0][currentMove];
15945 blackTimeRemaining = timeRemaining[1][currentMove];
15947 DisplayBothClocks();
15948 DisplayMove(currentMove - 1);
15949 DrawPosition(full_redraw, boards[currentMove]);
15950 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15951 // [HGM] PV info: routine tests if comment empty
15952 DisplayComment(currentMove - 1, commentList[currentMove]);
15953 ClearMap(); // [HGM] exclude: invalidate map
15959 if (gameMode == IcsExamining && !pausing) {
15960 SendToICS(ics_prefix);
15961 SendToICS("backward\n");
15963 BackwardInner(currentMove - 1);
15970 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15971 /* to optimize, we temporarily turn off analysis mode while we undo
15972 * all the moves. Otherwise we get analysis output after each undo.
15974 if (first.analysisSupport) {
15975 SendToProgram("exit\nforce\n", &first);
15976 first.analyzing = FALSE;
15980 if (gameMode == IcsExamining && !pausing) {
15981 SendToICS(ics_prefix);
15982 SendToICS("backward 999999\n");
15984 BackwardInner(backwardMostMove);
15987 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15988 /* we have fed all the moves, so reactivate analysis mode */
15989 SendToProgram("analyze\n", &first);
15990 first.analyzing = TRUE;
15991 /*first.maybeThinking = TRUE;*/
15992 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15999 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16000 if (to >= forwardMostMove) to = forwardMostMove;
16001 if (to <= backwardMostMove) to = backwardMostMove;
16002 if (to < currentMove) {
16010 RevertEvent (Boolean annotate)
16012 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16015 if (gameMode != IcsExamining) {
16016 DisplayError(_("You are not examining a game"), 0);
16020 DisplayError(_("You can't revert while pausing"), 0);
16023 SendToICS(ics_prefix);
16024 SendToICS("revert\n");
16028 RetractMoveEvent ()
16030 switch (gameMode) {
16031 case MachinePlaysWhite:
16032 case MachinePlaysBlack:
16033 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16034 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16037 if (forwardMostMove < 2) return;
16038 currentMove = forwardMostMove = forwardMostMove - 2;
16039 whiteTimeRemaining = timeRemaining[0][currentMove];
16040 blackTimeRemaining = timeRemaining[1][currentMove];
16041 DisplayBothClocks();
16042 DisplayMove(currentMove - 1);
16043 ClearHighlights();/*!! could figure this out*/
16044 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16045 SendToProgram("remove\n", &first);
16046 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16049 case BeginningOfGame:
16053 case IcsPlayingWhite:
16054 case IcsPlayingBlack:
16055 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16056 SendToICS(ics_prefix);
16057 SendToICS("takeback 2\n");
16059 SendToICS(ics_prefix);
16060 SendToICS("takeback 1\n");
16069 ChessProgramState *cps;
16071 switch (gameMode) {
16072 case MachinePlaysWhite:
16073 if (!WhiteOnMove(forwardMostMove)) {
16074 DisplayError(_("It is your turn"), 0);
16079 case MachinePlaysBlack:
16080 if (WhiteOnMove(forwardMostMove)) {
16081 DisplayError(_("It is your turn"), 0);
16086 case TwoMachinesPlay:
16087 if (WhiteOnMove(forwardMostMove) ==
16088 (first.twoMachinesColor[0] == 'w')) {
16094 case BeginningOfGame:
16098 SendToProgram("?\n", cps);
16102 TruncateGameEvent ()
16105 if (gameMode != EditGame) return;
16112 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16113 if (forwardMostMove > currentMove) {
16114 if (gameInfo.resultDetails != NULL) {
16115 free(gameInfo.resultDetails);
16116 gameInfo.resultDetails = NULL;
16117 gameInfo.result = GameUnfinished;
16119 forwardMostMove = currentMove;
16120 HistorySet(parseList, backwardMostMove, forwardMostMove,
16128 if (appData.noChessProgram) return;
16129 switch (gameMode) {
16130 case MachinePlaysWhite:
16131 if (WhiteOnMove(forwardMostMove)) {
16132 DisplayError(_("Wait until your turn."), 0);
16136 case BeginningOfGame:
16137 case MachinePlaysBlack:
16138 if (!WhiteOnMove(forwardMostMove)) {
16139 DisplayError(_("Wait until your turn."), 0);
16144 DisplayError(_("No hint available"), 0);
16147 SendToProgram("hint\n", &first);
16148 hintRequested = TRUE;
16152 SaveSelected (FILE *g, int dummy, char *dummy2)
16154 ListGame * lg = (ListGame *) gameList.head;
16158 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16159 DisplayError(_("Game list not loaded or empty"), 0);
16163 creatingBook = TRUE; // suppresses stuff during load game
16165 /* Get list size */
16166 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16167 if(lg->position >= 0) { // selected?
16168 LoadGame(f, nItem, "", TRUE);
16169 SaveGamePGN2(g); // leaves g open
16172 lg = (ListGame *) lg->node.succ;
16176 creatingBook = FALSE;
16184 ListGame * lg = (ListGame *) gameList.head;
16187 static int secondTime = FALSE;
16189 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16190 DisplayError(_("Game list not loaded or empty"), 0);
16194 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16197 DisplayNote(_("Book file exists! Try again for overwrite."));
16201 creatingBook = TRUE;
16202 secondTime = FALSE;
16204 /* Get list size */
16205 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16206 if(lg->position >= 0) {
16207 LoadGame(f, nItem, "", TRUE);
16208 AddGameToBook(TRUE);
16211 lg = (ListGame *) lg->node.succ;
16214 creatingBook = FALSE;
16221 if (appData.noChessProgram) return;
16222 switch (gameMode) {
16223 case MachinePlaysWhite:
16224 if (WhiteOnMove(forwardMostMove)) {
16225 DisplayError(_("Wait until your turn."), 0);
16229 case BeginningOfGame:
16230 case MachinePlaysBlack:
16231 if (!WhiteOnMove(forwardMostMove)) {
16232 DisplayError(_("Wait until your turn."), 0);
16237 EditPositionDone(TRUE);
16239 case TwoMachinesPlay:
16244 SendToProgram("bk\n", &first);
16245 bookOutput[0] = NULLCHAR;
16246 bookRequested = TRUE;
16252 char *tags = PGNTags(&gameInfo);
16253 TagsPopUp(tags, CmailMsg());
16257 /* end button procedures */
16260 PrintPosition (FILE *fp, int move)
16264 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16265 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16266 char c = PieceToChar(boards[move][i][j]);
16267 fputc(c == 'x' ? '.' : c, fp);
16268 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16271 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16272 fprintf(fp, "white to play\n");
16274 fprintf(fp, "black to play\n");
16278 PrintOpponents (FILE *fp)
16280 if (gameInfo.white != NULL) {
16281 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16287 /* Find last component of program's own name, using some heuristics */
16289 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16292 int local = (strcmp(host, "localhost") == 0);
16293 while (!local && (p = strchr(prog, ';')) != NULL) {
16295 while (*p == ' ') p++;
16298 if (*prog == '"' || *prog == '\'') {
16299 q = strchr(prog + 1, *prog);
16301 q = strchr(prog, ' ');
16303 if (q == NULL) q = prog + strlen(prog);
16305 while (p >= prog && *p != '/' && *p != '\\') p--;
16307 if(p == prog && *p == '"') p++;
16309 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16310 memcpy(buf, p, q - p);
16311 buf[q - p] = NULLCHAR;
16319 TimeControlTagValue ()
16322 if (!appData.clockMode) {
16323 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16324 } else if (movesPerSession > 0) {
16325 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16326 } else if (timeIncrement == 0) {
16327 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16329 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16331 return StrSave(buf);
16337 /* This routine is used only for certain modes */
16338 VariantClass v = gameInfo.variant;
16339 ChessMove r = GameUnfinished;
16342 if(keepInfo) return;
16344 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16345 r = gameInfo.result;
16346 p = gameInfo.resultDetails;
16347 gameInfo.resultDetails = NULL;
16349 ClearGameInfo(&gameInfo);
16350 gameInfo.variant = v;
16352 switch (gameMode) {
16353 case MachinePlaysWhite:
16354 gameInfo.event = StrSave( appData.pgnEventHeader );
16355 gameInfo.site = StrSave(HostName());
16356 gameInfo.date = PGNDate();
16357 gameInfo.round = StrSave("-");
16358 gameInfo.white = StrSave(first.tidy);
16359 gameInfo.black = StrSave(UserName());
16360 gameInfo.timeControl = TimeControlTagValue();
16363 case MachinePlaysBlack:
16364 gameInfo.event = StrSave( appData.pgnEventHeader );
16365 gameInfo.site = StrSave(HostName());
16366 gameInfo.date = PGNDate();
16367 gameInfo.round = StrSave("-");
16368 gameInfo.white = StrSave(UserName());
16369 gameInfo.black = StrSave(first.tidy);
16370 gameInfo.timeControl = TimeControlTagValue();
16373 case TwoMachinesPlay:
16374 gameInfo.event = StrSave( appData.pgnEventHeader );
16375 gameInfo.site = StrSave(HostName());
16376 gameInfo.date = PGNDate();
16379 snprintf(buf, MSG_SIZ, "%d", roundNr);
16380 gameInfo.round = StrSave(buf);
16382 gameInfo.round = StrSave("-");
16384 if (first.twoMachinesColor[0] == 'w') {
16385 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16386 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16388 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16389 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16391 gameInfo.timeControl = TimeControlTagValue();
16395 gameInfo.event = StrSave("Edited game");
16396 gameInfo.site = StrSave(HostName());
16397 gameInfo.date = PGNDate();
16398 gameInfo.round = StrSave("-");
16399 gameInfo.white = StrSave("-");
16400 gameInfo.black = StrSave("-");
16401 gameInfo.result = r;
16402 gameInfo.resultDetails = p;
16406 gameInfo.event = StrSave("Edited position");
16407 gameInfo.site = StrSave(HostName());
16408 gameInfo.date = PGNDate();
16409 gameInfo.round = StrSave("-");
16410 gameInfo.white = StrSave("-");
16411 gameInfo.black = StrSave("-");
16414 case IcsPlayingWhite:
16415 case IcsPlayingBlack:
16420 case PlayFromGameFile:
16421 gameInfo.event = StrSave("Game from non-PGN file");
16422 gameInfo.site = StrSave(HostName());
16423 gameInfo.date = PGNDate();
16424 gameInfo.round = StrSave("-");
16425 gameInfo.white = StrSave("?");
16426 gameInfo.black = StrSave("?");
16435 ReplaceComment (int index, char *text)
16441 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16442 pvInfoList[index-1].depth == len &&
16443 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16444 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16445 while (*text == '\n') text++;
16446 len = strlen(text);
16447 while (len > 0 && text[len - 1] == '\n') len--;
16449 if (commentList[index] != NULL)
16450 free(commentList[index]);
16453 commentList[index] = NULL;
16456 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16457 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16458 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16459 commentList[index] = (char *) malloc(len + 2);
16460 strncpy(commentList[index], text, len);
16461 commentList[index][len] = '\n';
16462 commentList[index][len + 1] = NULLCHAR;
16464 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16466 commentList[index] = (char *) malloc(len + 7);
16467 safeStrCpy(commentList[index], "{\n", 3);
16468 safeStrCpy(commentList[index]+2, text, len+1);
16469 commentList[index][len+2] = NULLCHAR;
16470 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16471 strcat(commentList[index], "\n}\n");
16476 CrushCRs (char *text)
16484 if (ch == '\r') continue;
16486 } while (ch != '\0');
16490 AppendComment (int index, char *text, Boolean addBraces)
16491 /* addBraces tells if we should add {} */
16496 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16497 if(addBraces == 3) addBraces = 0; else // force appending literally
16498 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16501 while (*text == '\n') text++;
16502 len = strlen(text);
16503 while (len > 0 && text[len - 1] == '\n') len--;
16504 text[len] = NULLCHAR;
16506 if (len == 0) return;
16508 if (commentList[index] != NULL) {
16509 Boolean addClosingBrace = addBraces;
16510 old = commentList[index];
16511 oldlen = strlen(old);
16512 while(commentList[index][oldlen-1] == '\n')
16513 commentList[index][--oldlen] = NULLCHAR;
16514 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16515 safeStrCpy(commentList[index], old, oldlen + len + 6);
16517 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16518 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16519 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16520 while (*text == '\n') { text++; len--; }
16521 commentList[index][--oldlen] = NULLCHAR;
16523 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16524 else strcat(commentList[index], "\n");
16525 strcat(commentList[index], text);
16526 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16527 else strcat(commentList[index], "\n");
16529 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16531 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16532 else commentList[index][0] = NULLCHAR;
16533 strcat(commentList[index], text);
16534 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16535 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16540 FindStr (char * text, char * sub_text)
16542 char * result = strstr( text, sub_text );
16544 if( result != NULL ) {
16545 result += strlen( sub_text );
16551 /* [AS] Try to extract PV info from PGN comment */
16552 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16554 GetInfoFromComment (int index, char * text)
16556 char * sep = text, *p;
16558 if( text != NULL && index > 0 ) {
16561 int time = -1, sec = 0, deci;
16562 char * s_eval = FindStr( text, "[%eval " );
16563 char * s_emt = FindStr( text, "[%emt " );
16565 if( s_eval != NULL || s_emt != NULL ) {
16567 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16572 if( s_eval != NULL ) {
16573 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16577 if( delim != ']' ) {
16582 if( s_emt != NULL ) {
16587 /* We expect something like: [+|-]nnn.nn/dd */
16590 if(*text != '{') return text; // [HGM] braces: must be normal comment
16592 sep = strchr( text, '/' );
16593 if( sep == NULL || sep < (text+4) ) {
16598 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16599 if(p[1] == '(') { // comment starts with PV
16600 p = strchr(p, ')'); // locate end of PV
16601 if(p == NULL || sep < p+5) return text;
16602 // at this point we have something like "{(.*) +0.23/6 ..."
16603 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16604 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16605 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16607 time = -1; sec = -1; deci = -1;
16608 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16609 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16610 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16611 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16615 if( score_lo < 0 || score_lo >= 100 ) {
16619 if(sec >= 0) time = 600*time + 10*sec; else
16620 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16622 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16624 /* [HGM] PV time: now locate end of PV info */
16625 while( *++sep >= '0' && *sep <= '9'); // strip depth
16627 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16629 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16631 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16632 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16643 pvInfoList[index-1].depth = depth;
16644 pvInfoList[index-1].score = score;
16645 pvInfoList[index-1].time = 10*time; // centi-sec
16646 if(*sep == '}') *sep = 0; else *--sep = '{';
16647 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16653 SendToProgram (char *message, ChessProgramState *cps)
16655 int count, outCount, error;
16658 if (cps->pr == NoProc) return;
16661 if (appData.debugMode) {
16664 fprintf(debugFP, "%ld >%-6s: %s",
16665 SubtractTimeMarks(&now, &programStartTime),
16666 cps->which, message);
16668 fprintf(serverFP, "%ld >%-6s: %s",
16669 SubtractTimeMarks(&now, &programStartTime),
16670 cps->which, message), fflush(serverFP);
16673 count = strlen(message);
16674 outCount = OutputToProcess(cps->pr, message, count, &error);
16675 if (outCount < count && !exiting
16676 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16677 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16678 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16679 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16680 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16681 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16682 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16683 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16685 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16686 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16687 gameInfo.result = res;
16689 gameInfo.resultDetails = StrSave(buf);
16691 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16692 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16697 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16701 ChessProgramState *cps = (ChessProgramState *)closure;
16703 if (isr != cps->isr) return; /* Killed intentionally */
16706 RemoveInputSource(cps->isr);
16707 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16708 _(cps->which), cps->program);
16709 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16710 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16711 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16712 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16713 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16714 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16716 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16717 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16718 gameInfo.result = res;
16720 gameInfo.resultDetails = StrSave(buf);
16722 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16723 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16725 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16726 _(cps->which), cps->program);
16727 RemoveInputSource(cps->isr);
16729 /* [AS] Program is misbehaving badly... kill it */
16730 if( count == -2 ) {
16731 DestroyChildProcess( cps->pr, 9 );
16735 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16740 if ((end_str = strchr(message, '\r')) != NULL)
16741 *end_str = NULLCHAR;
16742 if ((end_str = strchr(message, '\n')) != NULL)
16743 *end_str = NULLCHAR;
16745 if (appData.debugMode) {
16746 TimeMark now; int print = 1;
16747 char *quote = ""; char c; int i;
16749 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16750 char start = message[0];
16751 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16752 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16753 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16754 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16755 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16756 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16757 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16758 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16759 sscanf(message, "hint: %c", &c)!=1 &&
16760 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16761 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16762 print = (appData.engineComments >= 2);
16764 message[0] = start; // restore original message
16768 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16769 SubtractTimeMarks(&now, &programStartTime), cps->which,
16773 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16774 SubtractTimeMarks(&now, &programStartTime), cps->which,
16776 message), fflush(serverFP);
16780 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16781 if (appData.icsEngineAnalyze) {
16782 if (strstr(message, "whisper") != NULL ||
16783 strstr(message, "kibitz") != NULL ||
16784 strstr(message, "tellics") != NULL) return;
16787 HandleMachineMove(message, cps);
16792 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16797 if( timeControl_2 > 0 ) {
16798 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16799 tc = timeControl_2;
16802 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16803 inc /= cps->timeOdds;
16804 st /= cps->timeOdds;
16806 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16809 /* Set exact time per move, normally using st command */
16810 if (cps->stKludge) {
16811 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16813 if (seconds == 0) {
16814 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16816 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16819 snprintf(buf, MSG_SIZ, "st %d\n", st);
16822 /* Set conventional or incremental time control, using level command */
16823 if (seconds == 0) {
16824 /* Note old gnuchess bug -- minutes:seconds used to not work.
16825 Fixed in later versions, but still avoid :seconds
16826 when seconds is 0. */
16827 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16829 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16830 seconds, inc/1000.);
16833 SendToProgram(buf, cps);
16835 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16836 /* Orthogonally, limit search to given depth */
16838 if (cps->sdKludge) {
16839 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16841 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16843 SendToProgram(buf, cps);
16846 if(cps->nps >= 0) { /* [HGM] nps */
16847 if(cps->supportsNPS == FALSE)
16848 cps->nps = -1; // don't use if engine explicitly says not supported!
16850 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16851 SendToProgram(buf, cps);
16856 ChessProgramState *
16858 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16860 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16861 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16867 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16869 char message[MSG_SIZ];
16872 /* Note: this routine must be called when the clocks are stopped
16873 or when they have *just* been set or switched; otherwise
16874 it will be off by the time since the current tick started.
16876 if (machineWhite) {
16877 time = whiteTimeRemaining / 10;
16878 otime = blackTimeRemaining / 10;
16880 time = blackTimeRemaining / 10;
16881 otime = whiteTimeRemaining / 10;
16883 /* [HGM] translate opponent's time by time-odds factor */
16884 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16886 if (time <= 0) time = 1;
16887 if (otime <= 0) otime = 1;
16889 snprintf(message, MSG_SIZ, "time %ld\n", time);
16890 SendToProgram(message, cps);
16892 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16893 SendToProgram(message, cps);
16897 EngineDefinedVariant (ChessProgramState *cps, int n)
16898 { // return name of n-th unknown variant that engine supports
16899 static char buf[MSG_SIZ];
16900 char *p, *s = cps->variants;
16901 if(!s) return NULL;
16902 do { // parse string from variants feature
16904 p = strchr(s, ',');
16905 if(p) *p = NULLCHAR;
16906 v = StringToVariant(s);
16907 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16908 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16909 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16910 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16911 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16912 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16913 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16916 if(n < 0) return buf;
16922 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16925 int len = strlen(name);
16928 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16930 sscanf(*p, "%d", &val);
16932 while (**p && **p != ' ')
16934 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16935 SendToProgram(buf, cps);
16942 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16945 int len = strlen(name);
16946 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16948 sscanf(*p, "%d", loc);
16949 while (**p && **p != ' ') (*p)++;
16950 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16951 SendToProgram(buf, cps);
16958 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16961 int len = strlen(name);
16962 if (strncmp((*p), name, len) == 0
16963 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16965 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16966 sscanf(*p, "%[^\"]", *loc);
16967 while (**p && **p != '\"') (*p)++;
16968 if (**p == '\"') (*p)++;
16969 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16970 SendToProgram(buf, cps);
16977 ParseOption (Option *opt, ChessProgramState *cps)
16978 // [HGM] options: process the string that defines an engine option, and determine
16979 // name, type, default value, and allowed value range
16981 char *p, *q, buf[MSG_SIZ];
16982 int n, min = (-1)<<31, max = 1<<31, def;
16984 if(p = strstr(opt->name, " -spin ")) {
16985 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16986 if(max < min) max = min; // enforce consistency
16987 if(def < min) def = min;
16988 if(def > max) def = max;
16993 } else if((p = strstr(opt->name, " -slider "))) {
16994 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16995 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16996 if(max < min) max = min; // enforce consistency
16997 if(def < min) def = min;
16998 if(def > max) def = max;
17002 opt->type = Spin; // Slider;
17003 } else if((p = strstr(opt->name, " -string "))) {
17004 opt->textValue = p+9;
17005 opt->type = TextBox;
17006 } else if((p = strstr(opt->name, " -file "))) {
17007 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17008 opt->textValue = p+7;
17009 opt->type = FileName; // FileName;
17010 } else if((p = strstr(opt->name, " -path "))) {
17011 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17012 opt->textValue = p+7;
17013 opt->type = PathName; // PathName;
17014 } else if(p = strstr(opt->name, " -check ")) {
17015 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17016 opt->value = (def != 0);
17017 opt->type = CheckBox;
17018 } else if(p = strstr(opt->name, " -combo ")) {
17019 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17020 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17021 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17022 opt->value = n = 0;
17023 while(q = StrStr(q, " /// ")) {
17024 n++; *q = 0; // count choices, and null-terminate each of them
17026 if(*q == '*') { // remember default, which is marked with * prefix
17030 cps->comboList[cps->comboCnt++] = q;
17032 cps->comboList[cps->comboCnt++] = NULL;
17034 opt->type = ComboBox;
17035 } else if(p = strstr(opt->name, " -button")) {
17036 opt->type = Button;
17037 } else if(p = strstr(opt->name, " -save")) {
17038 opt->type = SaveButton;
17039 } else return FALSE;
17040 *p = 0; // terminate option name
17041 // now look if the command-line options define a setting for this engine option.
17042 if(cps->optionSettings && cps->optionSettings[0])
17043 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17044 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17045 snprintf(buf, MSG_SIZ, "option %s", p);
17046 if(p = strstr(buf, ",")) *p = 0;
17047 if(q = strchr(buf, '=')) switch(opt->type) {
17049 for(n=0; n<opt->max; n++)
17050 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17053 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17057 opt->value = atoi(q+1);
17062 SendToProgram(buf, cps);
17068 FeatureDone (ChessProgramState *cps, int val)
17070 DelayedEventCallback cb = GetDelayedEvent();
17071 if ((cb == InitBackEnd3 && cps == &first) ||
17072 (cb == SettingsMenuIfReady && cps == &second) ||
17073 (cb == LoadEngine) ||
17074 (cb == TwoMachinesEventIfReady)) {
17075 CancelDelayedEvent();
17076 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17078 cps->initDone = val;
17079 if(val) cps->reload = FALSE;
17082 /* Parse feature command from engine */
17084 ParseFeatures (char *args, ChessProgramState *cps)
17092 while (*p == ' ') p++;
17093 if (*p == NULLCHAR) return;
17095 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17096 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17097 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17098 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17099 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17100 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17101 if (BoolFeature(&p, "reuse", &val, cps)) {
17102 /* Engine can disable reuse, but can't enable it if user said no */
17103 if (!val) cps->reuse = FALSE;
17106 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17107 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17108 if (gameMode == TwoMachinesPlay) {
17109 DisplayTwoMachinesTitle();
17115 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17116 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17117 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17118 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17119 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17120 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17121 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17122 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17123 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17124 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17125 if (IntFeature(&p, "done", &val, cps)) {
17126 FeatureDone(cps, val);
17129 /* Added by Tord: */
17130 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17131 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17132 /* End of additions by Tord */
17134 /* [HGM] added features: */
17135 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17136 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17137 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17138 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17139 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17140 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17141 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17142 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17143 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17144 FREE(cps->option[cps->nrOptions].name);
17145 cps->option[cps->nrOptions].name = q; q = NULL;
17146 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17147 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17148 SendToProgram(buf, cps);
17151 if(cps->nrOptions >= MAX_OPTIONS) {
17153 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17154 DisplayError(buf, 0);
17158 /* End of additions by HGM */
17160 /* unknown feature: complain and skip */
17162 while (*q && *q != '=') q++;
17163 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17164 SendToProgram(buf, cps);
17170 while (*p && *p != '\"') p++;
17171 if (*p == '\"') p++;
17173 while (*p && *p != ' ') p++;
17181 PeriodicUpdatesEvent (int newState)
17183 if (newState == appData.periodicUpdates)
17186 appData.periodicUpdates=newState;
17188 /* Display type changes, so update it now */
17189 // DisplayAnalysis();
17191 /* Get the ball rolling again... */
17193 AnalysisPeriodicEvent(1);
17194 StartAnalysisClock();
17199 PonderNextMoveEvent (int newState)
17201 if (newState == appData.ponderNextMove) return;
17202 if (gameMode == EditPosition) EditPositionDone(TRUE);
17204 SendToProgram("hard\n", &first);
17205 if (gameMode == TwoMachinesPlay) {
17206 SendToProgram("hard\n", &second);
17209 SendToProgram("easy\n", &first);
17210 thinkOutput[0] = NULLCHAR;
17211 if (gameMode == TwoMachinesPlay) {
17212 SendToProgram("easy\n", &second);
17215 appData.ponderNextMove = newState;
17219 NewSettingEvent (int option, int *feature, char *command, int value)
17223 if (gameMode == EditPosition) EditPositionDone(TRUE);
17224 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17225 if(feature == NULL || *feature) SendToProgram(buf, &first);
17226 if (gameMode == TwoMachinesPlay) {
17227 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17232 ShowThinkingEvent ()
17233 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17235 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17236 int newState = appData.showThinking
17237 // [HGM] thinking: other features now need thinking output as well
17238 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17240 if (oldState == newState) return;
17241 oldState = newState;
17242 if (gameMode == EditPosition) EditPositionDone(TRUE);
17244 SendToProgram("post\n", &first);
17245 if (gameMode == TwoMachinesPlay) {
17246 SendToProgram("post\n", &second);
17249 SendToProgram("nopost\n", &first);
17250 thinkOutput[0] = NULLCHAR;
17251 if (gameMode == TwoMachinesPlay) {
17252 SendToProgram("nopost\n", &second);
17255 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17259 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17261 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17262 if (pr == NoProc) return;
17263 AskQuestion(title, question, replyPrefix, pr);
17267 TypeInEvent (char firstChar)
17269 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17270 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17271 gameMode == AnalyzeMode || gameMode == EditGame ||
17272 gameMode == EditPosition || gameMode == IcsExamining ||
17273 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17274 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17275 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17276 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17277 gameMode == Training) PopUpMoveDialog(firstChar);
17281 TypeInDoneEvent (char *move)
17284 int n, fromX, fromY, toX, toY;
17286 ChessMove moveType;
17289 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17290 EditPositionPasteFEN(move);
17293 // [HGM] movenum: allow move number to be typed in any mode
17294 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17298 // undocumented kludge: allow command-line option to be typed in!
17299 // (potentially fatal, and does not implement the effect of the option.)
17300 // should only be used for options that are values on which future decisions will be made,
17301 // and definitely not on options that would be used during initialization.
17302 if(strstr(move, "!!! -") == move) {
17303 ParseArgsFromString(move+4);
17307 if (gameMode != EditGame && currentMove != forwardMostMove &&
17308 gameMode != Training) {
17309 DisplayMoveError(_("Displayed move is not current"));
17311 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17312 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17313 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17314 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17315 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17316 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17318 DisplayMoveError(_("Could not parse move"));
17324 DisplayMove (int moveNumber)
17326 char message[MSG_SIZ];
17328 char cpThinkOutput[MSG_SIZ];
17330 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17332 if (moveNumber == forwardMostMove - 1 ||
17333 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17335 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17337 if (strchr(cpThinkOutput, '\n')) {
17338 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17341 *cpThinkOutput = NULLCHAR;
17344 /* [AS] Hide thinking from human user */
17345 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17346 *cpThinkOutput = NULLCHAR;
17347 if( thinkOutput[0] != NULLCHAR ) {
17350 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17351 cpThinkOutput[i] = '.';
17353 cpThinkOutput[i] = NULLCHAR;
17354 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17358 if (moveNumber == forwardMostMove - 1 &&
17359 gameInfo.resultDetails != NULL) {
17360 if (gameInfo.resultDetails[0] == NULLCHAR) {
17361 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17363 snprintf(res, MSG_SIZ, " {%s} %s",
17364 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17370 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17371 DisplayMessage(res, cpThinkOutput);
17373 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17374 WhiteOnMove(moveNumber) ? " " : ".. ",
17375 parseList[moveNumber], res);
17376 DisplayMessage(message, cpThinkOutput);
17381 DisplayComment (int moveNumber, char *text)
17383 char title[MSG_SIZ];
17385 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17386 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17388 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17389 WhiteOnMove(moveNumber) ? " " : ".. ",
17390 parseList[moveNumber]);
17392 if (text != NULL && (appData.autoDisplayComment || commentUp))
17393 CommentPopUp(title, text);
17396 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17397 * might be busy thinking or pondering. It can be omitted if your
17398 * gnuchess is configured to stop thinking immediately on any user
17399 * input. However, that gnuchess feature depends on the FIONREAD
17400 * ioctl, which does not work properly on some flavors of Unix.
17403 Attention (ChessProgramState *cps)
17406 if (!cps->useSigint) return;
17407 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17408 switch (gameMode) {
17409 case MachinePlaysWhite:
17410 case MachinePlaysBlack:
17411 case TwoMachinesPlay:
17412 case IcsPlayingWhite:
17413 case IcsPlayingBlack:
17416 /* Skip if we know it isn't thinking */
17417 if (!cps->maybeThinking) return;
17418 if (appData.debugMode)
17419 fprintf(debugFP, "Interrupting %s\n", cps->which);
17420 InterruptChildProcess(cps->pr);
17421 cps->maybeThinking = FALSE;
17426 #endif /*ATTENTION*/
17432 if (whiteTimeRemaining <= 0) {
17435 if (appData.icsActive) {
17436 if (appData.autoCallFlag &&
17437 gameMode == IcsPlayingBlack && !blackFlag) {
17438 SendToICS(ics_prefix);
17439 SendToICS("flag\n");
17443 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17445 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17446 if (appData.autoCallFlag) {
17447 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17454 if (blackTimeRemaining <= 0) {
17457 if (appData.icsActive) {
17458 if (appData.autoCallFlag &&
17459 gameMode == IcsPlayingWhite && !whiteFlag) {
17460 SendToICS(ics_prefix);
17461 SendToICS("flag\n");
17465 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17467 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17468 if (appData.autoCallFlag) {
17469 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17480 CheckTimeControl ()
17482 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17483 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17486 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17488 if ( !WhiteOnMove(forwardMostMove) ) {
17489 /* White made time control */
17490 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17491 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17492 /* [HGM] time odds: correct new time quota for time odds! */
17493 / WhitePlayer()->timeOdds;
17494 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17496 lastBlack -= blackTimeRemaining;
17497 /* Black made time control */
17498 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17499 / WhitePlayer()->other->timeOdds;
17500 lastWhite = whiteTimeRemaining;
17505 DisplayBothClocks ()
17507 int wom = gameMode == EditPosition ?
17508 !blackPlaysFirst : WhiteOnMove(currentMove);
17509 DisplayWhiteClock(whiteTimeRemaining, wom);
17510 DisplayBlackClock(blackTimeRemaining, !wom);
17514 /* Timekeeping seems to be a portability nightmare. I think everyone
17515 has ftime(), but I'm really not sure, so I'm including some ifdefs
17516 to use other calls if you don't. Clocks will be less accurate if
17517 you have neither ftime nor gettimeofday.
17520 /* VS 2008 requires the #include outside of the function */
17521 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17522 #include <sys/timeb.h>
17525 /* Get the current time as a TimeMark */
17527 GetTimeMark (TimeMark *tm)
17529 #if HAVE_GETTIMEOFDAY
17531 struct timeval timeVal;
17532 struct timezone timeZone;
17534 gettimeofday(&timeVal, &timeZone);
17535 tm->sec = (long) timeVal.tv_sec;
17536 tm->ms = (int) (timeVal.tv_usec / 1000L);
17538 #else /*!HAVE_GETTIMEOFDAY*/
17541 // include <sys/timeb.h> / moved to just above start of function
17542 struct timeb timeB;
17545 tm->sec = (long) timeB.time;
17546 tm->ms = (int) timeB.millitm;
17548 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17549 tm->sec = (long) time(NULL);
17555 /* Return the difference in milliseconds between two
17556 time marks. We assume the difference will fit in a long!
17559 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17561 return 1000L*(tm2->sec - tm1->sec) +
17562 (long) (tm2->ms - tm1->ms);
17567 * Code to manage the game clocks.
17569 * In tournament play, black starts the clock and then white makes a move.
17570 * We give the human user a slight advantage if he is playing white---the
17571 * clocks don't run until he makes his first move, so it takes zero time.
17572 * Also, we don't account for network lag, so we could get out of sync
17573 * with GNU Chess's clock -- but then, referees are always right.
17576 static TimeMark tickStartTM;
17577 static long intendedTickLength;
17580 NextTickLength (long timeRemaining)
17582 long nominalTickLength, nextTickLength;
17584 if (timeRemaining > 0L && timeRemaining <= 10000L)
17585 nominalTickLength = 100L;
17587 nominalTickLength = 1000L;
17588 nextTickLength = timeRemaining % nominalTickLength;
17589 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17591 return nextTickLength;
17594 /* Adjust clock one minute up or down */
17596 AdjustClock (Boolean which, int dir)
17598 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17599 if(which) blackTimeRemaining += 60000*dir;
17600 else whiteTimeRemaining += 60000*dir;
17601 DisplayBothClocks();
17602 adjustedClock = TRUE;
17605 /* Stop clocks and reset to a fresh time control */
17609 (void) StopClockTimer();
17610 if (appData.icsActive) {
17611 whiteTimeRemaining = blackTimeRemaining = 0;
17612 } else if (searchTime) {
17613 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17614 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17615 } else { /* [HGM] correct new time quote for time odds */
17616 whiteTC = blackTC = fullTimeControlString;
17617 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17618 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17620 if (whiteFlag || blackFlag) {
17622 whiteFlag = blackFlag = FALSE;
17624 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17625 DisplayBothClocks();
17626 adjustedClock = FALSE;
17629 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17631 /* Decrement running clock by amount of time that has passed */
17635 long timeRemaining;
17636 long lastTickLength, fudge;
17639 if (!appData.clockMode) return;
17640 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17644 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17646 /* Fudge if we woke up a little too soon */
17647 fudge = intendedTickLength - lastTickLength;
17648 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17650 if (WhiteOnMove(forwardMostMove)) {
17651 if(whiteNPS >= 0) lastTickLength = 0;
17652 timeRemaining = whiteTimeRemaining -= lastTickLength;
17653 if(timeRemaining < 0 && !appData.icsActive) {
17654 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17655 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17656 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17657 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17660 DisplayWhiteClock(whiteTimeRemaining - fudge,
17661 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17663 if(blackNPS >= 0) lastTickLength = 0;
17664 timeRemaining = blackTimeRemaining -= lastTickLength;
17665 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17666 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17668 blackStartMove = forwardMostMove;
17669 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17672 DisplayBlackClock(blackTimeRemaining - fudge,
17673 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17675 if (CheckFlags()) return;
17677 if(twoBoards) { // count down secondary board's clocks as well
17678 activePartnerTime -= lastTickLength;
17680 if(activePartner == 'W')
17681 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17683 DisplayBlackClock(activePartnerTime, TRUE);
17688 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17689 StartClockTimer(intendedTickLength);
17691 /* if the time remaining has fallen below the alarm threshold, sound the
17692 * alarm. if the alarm has sounded and (due to a takeback or time control
17693 * with increment) the time remaining has increased to a level above the
17694 * threshold, reset the alarm so it can sound again.
17697 if (appData.icsActive && appData.icsAlarm) {
17699 /* make sure we are dealing with the user's clock */
17700 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17701 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17704 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17705 alarmSounded = FALSE;
17706 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17708 alarmSounded = TRUE;
17714 /* A player has just moved, so stop the previously running
17715 clock and (if in clock mode) start the other one.
17716 We redisplay both clocks in case we're in ICS mode, because
17717 ICS gives us an update to both clocks after every move.
17718 Note that this routine is called *after* forwardMostMove
17719 is updated, so the last fractional tick must be subtracted
17720 from the color that is *not* on move now.
17723 SwitchClocks (int newMoveNr)
17725 long lastTickLength;
17727 int flagged = FALSE;
17731 if (StopClockTimer() && appData.clockMode) {
17732 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17733 if (!WhiteOnMove(forwardMostMove)) {
17734 if(blackNPS >= 0) lastTickLength = 0;
17735 blackTimeRemaining -= lastTickLength;
17736 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17737 // if(pvInfoList[forwardMostMove].time == -1)
17738 pvInfoList[forwardMostMove].time = // use GUI time
17739 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17741 if(whiteNPS >= 0) lastTickLength = 0;
17742 whiteTimeRemaining -= lastTickLength;
17743 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17744 // if(pvInfoList[forwardMostMove].time == -1)
17745 pvInfoList[forwardMostMove].time =
17746 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17748 flagged = CheckFlags();
17750 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17751 CheckTimeControl();
17753 if (flagged || !appData.clockMode) return;
17755 switch (gameMode) {
17756 case MachinePlaysBlack:
17757 case MachinePlaysWhite:
17758 case BeginningOfGame:
17759 if (pausing) return;
17763 case PlayFromGameFile:
17771 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17772 if(WhiteOnMove(forwardMostMove))
17773 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17774 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17778 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17779 whiteTimeRemaining : blackTimeRemaining);
17780 StartClockTimer(intendedTickLength);
17784 /* Stop both clocks */
17788 long lastTickLength;
17791 if (!StopClockTimer()) return;
17792 if (!appData.clockMode) return;
17796 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17797 if (WhiteOnMove(forwardMostMove)) {
17798 if(whiteNPS >= 0) lastTickLength = 0;
17799 whiteTimeRemaining -= lastTickLength;
17800 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17802 if(blackNPS >= 0) lastTickLength = 0;
17803 blackTimeRemaining -= lastTickLength;
17804 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17809 /* Start clock of player on move. Time may have been reset, so
17810 if clock is already running, stop and restart it. */
17814 (void) StopClockTimer(); /* in case it was running already */
17815 DisplayBothClocks();
17816 if (CheckFlags()) return;
17818 if (!appData.clockMode) return;
17819 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17821 GetTimeMark(&tickStartTM);
17822 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17823 whiteTimeRemaining : blackTimeRemaining);
17825 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17826 whiteNPS = blackNPS = -1;
17827 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17828 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17829 whiteNPS = first.nps;
17830 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17831 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17832 blackNPS = first.nps;
17833 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17834 whiteNPS = second.nps;
17835 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17836 blackNPS = second.nps;
17837 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17839 StartClockTimer(intendedTickLength);
17843 TimeString (long ms)
17845 long second, minute, hour, day;
17847 static char buf[32];
17849 if (ms > 0 && ms <= 9900) {
17850 /* convert milliseconds to tenths, rounding up */
17851 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17853 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17857 /* convert milliseconds to seconds, rounding up */
17858 /* use floating point to avoid strangeness of integer division
17859 with negative dividends on many machines */
17860 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17867 day = second / (60 * 60 * 24);
17868 second = second % (60 * 60 * 24);
17869 hour = second / (60 * 60);
17870 second = second % (60 * 60);
17871 minute = second / 60;
17872 second = second % 60;
17875 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17876 sign, day, hour, minute, second);
17878 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17880 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17887 * This is necessary because some C libraries aren't ANSI C compliant yet.
17890 StrStr (char *string, char *match)
17894 length = strlen(match);
17896 for (i = strlen(string) - length; i >= 0; i--, string++)
17897 if (!strncmp(match, string, length))
17904 StrCaseStr (char *string, char *match)
17908 length = strlen(match);
17910 for (i = strlen(string) - length; i >= 0; i--, string++) {
17911 for (j = 0; j < length; j++) {
17912 if (ToLower(match[j]) != ToLower(string[j]))
17915 if (j == length) return string;
17923 StrCaseCmp (char *s1, char *s2)
17928 c1 = ToLower(*s1++);
17929 c2 = ToLower(*s2++);
17930 if (c1 > c2) return 1;
17931 if (c1 < c2) return -1;
17932 if (c1 == NULLCHAR) return 0;
17940 return isupper(c) ? tolower(c) : c;
17947 return islower(c) ? toupper(c) : c;
17949 #endif /* !_amigados */
17956 if ((ret = (char *) malloc(strlen(s) + 1)))
17958 safeStrCpy(ret, s, strlen(s)+1);
17964 StrSavePtr (char *s, char **savePtr)
17969 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17970 safeStrCpy(*savePtr, s, strlen(s)+1);
17982 clock = time((time_t *)NULL);
17983 tm = localtime(&clock);
17984 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17985 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17986 return StrSave(buf);
17991 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17993 int i, j, fromX, fromY, toX, toY;
17994 int whiteToPlay, haveRights = nrCastlingRights;
18000 whiteToPlay = (gameMode == EditPosition) ?
18001 !blackPlaysFirst : (move % 2 == 0);
18004 /* Piece placement data */
18005 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18006 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18008 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18009 if (boards[move][i][j] == EmptySquare) {
18011 } else { ChessSquare piece = boards[move][i][j];
18012 if (emptycount > 0) {
18013 if(emptycount<10) /* [HGM] can be >= 10 */
18014 *p++ = '0' + emptycount;
18015 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18018 if(PieceToChar(piece) == '+') {
18019 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18021 piece = (ChessSquare)(CHUDEMOTED(piece));
18023 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18024 if(*p = PieceSuffix(piece)) p++;
18026 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18027 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18032 if (emptycount > 0) {
18033 if(emptycount<10) /* [HGM] can be >= 10 */
18034 *p++ = '0' + emptycount;
18035 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18042 /* [HGM] print Crazyhouse or Shogi holdings */
18043 if( gameInfo.holdingsWidth ) {
18044 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18046 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18047 piece = boards[move][i][BOARD_WIDTH-1];
18048 if( piece != EmptySquare )
18049 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18050 *p++ = PieceToChar(piece);
18052 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18053 piece = boards[move][BOARD_HEIGHT-i-1][0];
18054 if( piece != EmptySquare )
18055 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18056 *p++ = PieceToChar(piece);
18059 if( q == p ) *p++ = '-';
18065 *p++ = whiteToPlay ? 'w' : 'b';
18068 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18069 haveRights = 0; q = p;
18070 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18071 piece = boards[move][0][i];
18072 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18073 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18076 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18077 piece = boards[move][BOARD_HEIGHT-1][i];
18078 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18079 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18082 if(p == q) *p++ = '-';
18086 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18087 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18090 int handW=0, handB=0;
18091 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18092 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18093 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18096 if(appData.fischerCastling) {
18097 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18098 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18099 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18101 /* [HGM] write directly from rights */
18102 if(boards[move][CASTLING][2] != NoRights &&
18103 boards[move][CASTLING][0] != NoRights )
18104 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18105 if(boards[move][CASTLING][2] != NoRights &&
18106 boards[move][CASTLING][1] != NoRights )
18107 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18110 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18111 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18113 if(boards[move][CASTLING][5] != NoRights &&
18114 boards[move][CASTLING][3] != NoRights )
18115 *p++ = boards[move][CASTLING][3] + AAA;
18116 if(boards[move][CASTLING][5] != NoRights &&
18117 boards[move][CASTLING][4] != NoRights )
18118 *p++ = boards[move][CASTLING][4] + AAA;
18122 /* [HGM] write true castling rights */
18123 if( nrCastlingRights == 6 ) {
18125 if(boards[move][CASTLING][0] != NoRights &&
18126 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18127 q = (boards[move][CASTLING][1] != NoRights &&
18128 boards[move][CASTLING][2] != NoRights );
18129 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18130 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18131 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18132 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18136 if(boards[move][CASTLING][3] != NoRights &&
18137 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18138 q = (boards[move][CASTLING][4] != NoRights &&
18139 boards[move][CASTLING][5] != NoRights );
18141 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18142 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18143 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18148 if (q == p) *p++ = '-'; /* No castling rights */
18152 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18153 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18154 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18155 /* En passant target square */
18156 if (move > backwardMostMove) {
18157 fromX = moveList[move - 1][0] - AAA;
18158 fromY = moveList[move - 1][1] - ONE;
18159 toX = moveList[move - 1][2] - AAA;
18160 toY = moveList[move - 1][3] - ONE;
18161 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18162 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18163 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18165 /* 2-square pawn move just happened */
18167 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18171 } else if(move == backwardMostMove) {
18172 // [HGM] perhaps we should always do it like this, and forget the above?
18173 if((signed char)boards[move][EP_STATUS] >= 0) {
18174 *p++ = boards[move][EP_STATUS] + AAA;
18175 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18187 { int i = 0, j=move;
18189 /* [HGM] find reversible plies */
18190 if (appData.debugMode) { int k;
18191 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18192 for(k=backwardMostMove; k<=forwardMostMove; k++)
18193 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18197 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18198 if( j == backwardMostMove ) i += initialRulePlies;
18199 sprintf(p, "%d ", i);
18200 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18202 /* Fullmove number */
18203 sprintf(p, "%d", (move / 2) + 1);
18204 } else *--p = NULLCHAR;
18206 return StrSave(buf);
18210 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18212 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18214 int emptycount, virgin[BOARD_FILES];
18215 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18219 /* Piece placement data */
18220 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18223 if (*p == '/' || *p == ' ' || *p == '[' ) {
18225 emptycount = gameInfo.boardWidth - j;
18226 while (emptycount--)
18227 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18228 if (*p == '/') p++;
18229 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18230 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18231 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18233 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18236 #if(BOARD_FILES >= 10)*0
18237 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18238 p++; emptycount=10;
18239 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18240 while (emptycount--)
18241 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18243 } else if (*p == '*') {
18244 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18245 } else if (isdigit(*p)) {
18246 emptycount = *p++ - '0';
18247 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18248 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18249 while (emptycount--)
18250 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18251 } else if (*p == '<') {
18252 if(i == BOARD_HEIGHT-1) shuffle = 1;
18253 else if (i != 0 || !shuffle) return FALSE;
18255 } else if (shuffle && *p == '>') {
18256 p++; // for now ignore closing shuffle range, and assume rank-end
18257 } else if (*p == '?') {
18258 if (j >= gameInfo.boardWidth) return FALSE;
18259 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18260 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18261 } else if (*p == '+' || isalpha(*p)) {
18262 char *q, *s = SUFFIXES;
18263 if (j >= gameInfo.boardWidth) return FALSE;
18266 if(q = strchr(s, p[1])) p++;
18267 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18268 if(piece == EmptySquare) return FALSE; /* unknown piece */
18269 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18270 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18273 if(q = strchr(s, *p)) p++;
18274 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18277 if(piece==EmptySquare) return FALSE; /* unknown piece */
18278 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18279 piece = (ChessSquare) (PROMOTED(piece));
18280 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18283 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18284 if(piece == king) wKingRank = i;
18285 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18291 while (*p == '/' || *p == ' ') p++;
18293 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18295 /* [HGM] by default clear Crazyhouse holdings, if present */
18296 if(gameInfo.holdingsWidth) {
18297 for(i=0; i<BOARD_HEIGHT; i++) {
18298 board[i][0] = EmptySquare; /* black holdings */
18299 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18300 board[i][1] = (ChessSquare) 0; /* black counts */
18301 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18305 /* [HGM] look for Crazyhouse holdings here */
18306 while(*p==' ') p++;
18307 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18308 int swap=0, wcnt=0, bcnt=0;
18310 if(*p == '<') swap++, p++;
18311 if(*p == '-' ) p++; /* empty holdings */ else {
18312 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18313 /* if we would allow FEN reading to set board size, we would */
18314 /* have to add holdings and shift the board read so far here */
18315 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18317 if((int) piece >= (int) BlackPawn ) {
18318 i = (int)piece - (int)BlackPawn;
18319 i = PieceToNumber((ChessSquare)i);
18320 if( i >= gameInfo.holdingsSize ) return FALSE;
18321 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18322 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18325 i = (int)piece - (int)WhitePawn;
18326 i = PieceToNumber((ChessSquare)i);
18327 if( i >= gameInfo.holdingsSize ) return FALSE;
18328 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18329 board[i][BOARD_WIDTH-2]++; /* black holdings */
18333 if(subst) { // substitute back-rank question marks by holdings pieces
18334 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18335 int k, m, n = bcnt + 1;
18336 if(board[0][j] == ClearBoard) {
18337 if(!wcnt) return FALSE;
18339 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18340 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18341 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18345 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18346 if(!bcnt) return FALSE;
18347 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18348 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18349 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18350 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18361 if(subst) return FALSE; // substitution requested, but no holdings
18363 while(*p == ' ') p++;
18367 if(appData.colorNickNames) {
18368 if( c == appData.colorNickNames[0] ) c = 'w'; else
18369 if( c == appData.colorNickNames[1] ) c = 'b';
18373 *blackPlaysFirst = FALSE;
18376 *blackPlaysFirst = TRUE;
18382 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18383 /* return the extra info in global variiables */
18385 while(*p==' ') p++;
18387 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18388 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18389 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18392 /* set defaults in case FEN is incomplete */
18393 board[EP_STATUS] = EP_UNKNOWN;
18394 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18395 for(i=0; i<nrCastlingRights; i++ ) {
18396 board[CASTLING][i] =
18397 appData.fischerCastling ? NoRights : initialRights[i];
18398 } /* assume possible unless obviously impossible */
18399 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18400 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18401 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18402 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18403 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18404 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18405 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18406 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18409 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18412 while(isalpha(*p)) {
18413 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18414 if(islower(*p)) b |= 1 << (*p++ - 'a');
18418 board[TOUCHED_W] = ~w;
18419 board[TOUCHED_B] = ~b;
18420 while(*p == ' ') p++;
18424 if(nrCastlingRights) {
18426 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18427 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18428 /* castling indicator present, so default becomes no castlings */
18429 for(i=0; i<nrCastlingRights; i++ ) {
18430 board[CASTLING][i] = NoRights;
18433 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18434 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18435 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18436 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18437 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18439 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18440 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18441 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18443 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18444 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18445 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18446 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18447 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18448 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18451 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18452 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18453 board[CASTLING][2] = whiteKingFile;
18454 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18455 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18456 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18459 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18460 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18461 board[CASTLING][2] = whiteKingFile;
18462 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18463 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18464 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18467 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18468 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18469 board[CASTLING][5] = blackKingFile;
18470 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18471 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18472 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18475 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18476 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18477 board[CASTLING][5] = blackKingFile;
18478 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18479 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18480 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18483 default: /* FRC castlings */
18484 if(c >= 'a') { /* black rights */
18485 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18486 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18487 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18488 if(i == BOARD_RGHT) break;
18489 board[CASTLING][5] = i;
18491 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18492 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18494 board[CASTLING][3] = c;
18496 board[CASTLING][4] = c;
18497 } else { /* white rights */
18498 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18499 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18500 if(board[0][i] == WhiteKing) break;
18501 if(i == BOARD_RGHT) break;
18502 board[CASTLING][2] = i;
18503 c -= AAA - 'a' + 'A';
18504 if(board[0][c] >= WhiteKing) break;
18506 board[CASTLING][0] = c;
18508 board[CASTLING][1] = c;
18512 for(i=0; i<nrCastlingRights; i++)
18513 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18514 if(gameInfo.variant == VariantSChess)
18515 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18516 if(fischer && shuffle) appData.fischerCastling = TRUE;
18517 if (appData.debugMode) {
18518 fprintf(debugFP, "FEN castling rights:");
18519 for(i=0; i<nrCastlingRights; i++)
18520 fprintf(debugFP, " %d", board[CASTLING][i]);
18521 fprintf(debugFP, "\n");
18524 while(*p==' ') p++;
18527 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18529 /* read e.p. field in games that know e.p. capture */
18530 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18531 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18532 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18534 p++; board[EP_STATUS] = EP_NONE;
18536 char c = *p++ - AAA;
18538 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18539 if(*p >= '0' && *p <='9') p++;
18540 board[EP_STATUS] = c;
18545 if(sscanf(p, "%d", &i) == 1) {
18546 FENrulePlies = i; /* 50-move ply counter */
18547 /* (The move number is still ignored) */
18554 EditPositionPasteFEN (char *fen)
18557 Board initial_position;
18559 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18560 DisplayError(_("Bad FEN position in clipboard"), 0);
18563 int savedBlackPlaysFirst = blackPlaysFirst;
18564 EditPositionEvent();
18565 blackPlaysFirst = savedBlackPlaysFirst;
18566 CopyBoard(boards[0], initial_position);
18567 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18568 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18569 DisplayBothClocks();
18570 DrawPosition(FALSE, boards[currentMove]);
18575 static char cseq[12] = "\\ ";
18578 set_cont_sequence (char *new_seq)
18583 // handle bad attempts to set the sequence
18585 return 0; // acceptable error - no debug
18587 len = strlen(new_seq);
18588 ret = (len > 0) && (len < sizeof(cseq));
18590 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18591 else if (appData.debugMode)
18592 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18597 reformat a source message so words don't cross the width boundary. internal
18598 newlines are not removed. returns the wrapped size (no null character unless
18599 included in source message). If dest is NULL, only calculate the size required
18600 for the dest buffer. lp argument indicats line position upon entry, and it's
18601 passed back upon exit.
18604 wrap (char *dest, char *src, int count, int width, int *lp)
18606 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18608 cseq_len = strlen(cseq);
18609 old_line = line = *lp;
18610 ansi = len = clen = 0;
18612 for (i=0; i < count; i++)
18614 if (src[i] == '\033')
18617 // if we hit the width, back up
18618 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18620 // store i & len in case the word is too long
18621 old_i = i, old_len = len;
18623 // find the end of the last word
18624 while (i && src[i] != ' ' && src[i] != '\n')
18630 // word too long? restore i & len before splitting it
18631 if ((old_i-i+clen) >= width)
18638 if (i && src[i-1] == ' ')
18641 if (src[i] != ' ' && src[i] != '\n')
18648 // now append the newline and continuation sequence
18653 strncpy(dest+len, cseq, cseq_len);
18661 dest[len] = src[i];
18665 if (src[i] == '\n')
18670 if (dest && appData.debugMode)
18672 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18673 count, width, line, len, *lp);
18674 show_bytes(debugFP, src, count);
18675 fprintf(debugFP, "\ndest: ");
18676 show_bytes(debugFP, dest, len);
18677 fprintf(debugFP, "\n");
18679 *lp = dest ? line : old_line;
18684 // [HGM] vari: routines for shelving variations
18685 Boolean modeRestore = FALSE;
18688 PushInner (int firstMove, int lastMove)
18690 int i, j, nrMoves = lastMove - firstMove;
18692 // push current tail of game on stack
18693 savedResult[storedGames] = gameInfo.result;
18694 savedDetails[storedGames] = gameInfo.resultDetails;
18695 gameInfo.resultDetails = NULL;
18696 savedFirst[storedGames] = firstMove;
18697 savedLast [storedGames] = lastMove;
18698 savedFramePtr[storedGames] = framePtr;
18699 framePtr -= nrMoves; // reserve space for the boards
18700 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18701 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18702 for(j=0; j<MOVE_LEN; j++)
18703 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18704 for(j=0; j<2*MOVE_LEN; j++)
18705 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18706 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18707 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18708 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18709 pvInfoList[firstMove+i-1].depth = 0;
18710 commentList[framePtr+i] = commentList[firstMove+i];
18711 commentList[firstMove+i] = NULL;
18715 forwardMostMove = firstMove; // truncate game so we can start variation
18719 PushTail (int firstMove, int lastMove)
18721 if(appData.icsActive) { // only in local mode
18722 forwardMostMove = currentMove; // mimic old ICS behavior
18725 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18727 PushInner(firstMove, lastMove);
18728 if(storedGames == 1) GreyRevert(FALSE);
18729 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18733 PopInner (Boolean annotate)
18736 char buf[8000], moveBuf[20];
18738 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18739 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18740 nrMoves = savedLast[storedGames] - currentMove;
18743 if(!WhiteOnMove(currentMove))
18744 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18745 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18746 for(i=currentMove; i<forwardMostMove; i++) {
18748 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18749 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18750 strcat(buf, moveBuf);
18751 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18752 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18756 for(i=1; i<=nrMoves; i++) { // copy last variation back
18757 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18758 for(j=0; j<MOVE_LEN; j++)
18759 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18760 for(j=0; j<2*MOVE_LEN; j++)
18761 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18762 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18763 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18764 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18765 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18766 commentList[currentMove+i] = commentList[framePtr+i];
18767 commentList[framePtr+i] = NULL;
18769 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18770 framePtr = savedFramePtr[storedGames];
18771 gameInfo.result = savedResult[storedGames];
18772 if(gameInfo.resultDetails != NULL) {
18773 free(gameInfo.resultDetails);
18775 gameInfo.resultDetails = savedDetails[storedGames];
18776 forwardMostMove = currentMove + nrMoves;
18780 PopTail (Boolean annotate)
18782 if(appData.icsActive) return FALSE; // only in local mode
18783 if(!storedGames) return FALSE; // sanity
18784 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18786 PopInner(annotate);
18787 if(currentMove < forwardMostMove) ForwardEvent(); else
18788 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18790 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18796 { // remove all shelved variations
18798 for(i=0; i<storedGames; i++) {
18799 if(savedDetails[i])
18800 free(savedDetails[i]);
18801 savedDetails[i] = NULL;
18803 for(i=framePtr; i<MAX_MOVES; i++) {
18804 if(commentList[i]) free(commentList[i]);
18805 commentList[i] = NULL;
18807 framePtr = MAX_MOVES-1;
18812 LoadVariation (int index, char *text)
18813 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18814 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18815 int level = 0, move;
18817 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18818 // first find outermost bracketing variation
18819 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18820 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18821 if(*p == '{') wait = '}'; else
18822 if(*p == '[') wait = ']'; else
18823 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18824 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18826 if(*p == wait) wait = NULLCHAR; // closing ]} found
18829 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18830 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18831 end[1] = NULLCHAR; // clip off comment beyond variation
18832 ToNrEvent(currentMove-1);
18833 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18834 // kludge: use ParsePV() to append variation to game
18835 move = currentMove;
18836 ParsePV(start, TRUE, TRUE);
18837 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18838 ClearPremoveHighlights();
18840 ToNrEvent(currentMove+1);
18846 char *p, *q, buf[MSG_SIZ];
18847 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18848 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18849 ParseArgsFromString(buf);
18850 ActivateTheme(TRUE); // also redo colors
18854 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18857 q = appData.themeNames;
18858 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18859 if(appData.useBitmaps) {
18860 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18861 appData.liteBackTextureFile, appData.darkBackTextureFile,
18862 appData.liteBackTextureMode,
18863 appData.darkBackTextureMode );
18865 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18866 Col2Text(2), // lightSquareColor
18867 Col2Text(3) ); // darkSquareColor
18869 if(appData.useBorder) {
18870 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18873 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18875 if(appData.useFont) {
18876 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18877 appData.renderPiecesWithFont,
18878 appData.fontToPieceTable,
18879 Col2Text(9), // appData.fontBackColorWhite
18880 Col2Text(10) ); // appData.fontForeColorBlack
18882 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18883 appData.pieceDirectory);
18884 if(!appData.pieceDirectory[0])
18885 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18886 Col2Text(0), // whitePieceColor
18887 Col2Text(1) ); // blackPieceColor
18889 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18890 Col2Text(4), // highlightSquareColor
18891 Col2Text(5) ); // premoveHighlightColor
18892 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18893 if(insert != q) insert[-1] = NULLCHAR;
18894 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18897 ActivateTheme(FALSE);