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];
447 ChessProgramState first, second, pairing;
449 /* premove variables */
452 int premoveFromX = 0;
453 int premoveFromY = 0;
454 int premovePromoChar = 0;
456 Boolean alarmSounded;
457 /* end premove variables */
459 char *ics_prefix = "$";
460 enum ICS_TYPE ics_type = ICS_GENERIC;
462 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
463 int pauseExamForwardMostMove = 0;
464 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
465 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
466 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
467 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
468 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
469 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
470 int whiteFlag = FALSE, blackFlag = FALSE;
471 int userOfferedDraw = FALSE;
472 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
473 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
474 int cmailMoveType[CMAIL_MAX_GAMES];
475 long ics_clock_paused = 0;
476 ProcRef icsPR = NoProc, cmailPR = NoProc;
477 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
478 GameMode gameMode = BeginningOfGame;
479 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
480 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
481 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
482 int hiddenThinkOutputState = 0; /* [AS] */
483 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
484 int adjudicateLossPlies = 6;
485 char white_holding[64], black_holding[64];
486 TimeMark lastNodeCountTime;
487 long lastNodeCount=0;
488 int shiftKey, controlKey; // [HGM] set by mouse handler
490 int have_sent_ICS_logon = 0;
492 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
493 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
494 Boolean adjustedClock;
495 long timeControl_2; /* [AS] Allow separate time controls */
496 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
497 long timeRemaining[2][MAX_MOVES];
498 int matchGame = 0, nextGame = 0, roundNr = 0;
499 Boolean waitingForGame = FALSE, startingEngine = FALSE;
500 TimeMark programStartTime, pauseStart;
501 char ics_handle[MSG_SIZ];
502 int have_set_title = 0;
504 /* animateTraining preserves the state of appData.animate
505 * when Training mode is activated. This allows the
506 * response to be animated when appData.animate == TRUE and
507 * appData.animateDragging == TRUE.
509 Boolean animateTraining;
515 Board boards[MAX_MOVES];
516 /* [HGM] Following 7 needed for accurate legality tests: */
517 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
518 signed char initialRights[BOARD_FILES];
519 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
520 int initialRulePlies, FENrulePlies;
521 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
523 Boolean shuffleOpenings;
524 int mute; // mute all sounds
526 // [HGM] vari: next 12 to save and restore variations
527 #define MAX_VARIATIONS 10
528 int framePtr = MAX_MOVES-1; // points to free stack entry
530 int savedFirst[MAX_VARIATIONS];
531 int savedLast[MAX_VARIATIONS];
532 int savedFramePtr[MAX_VARIATIONS];
533 char *savedDetails[MAX_VARIATIONS];
534 ChessMove savedResult[MAX_VARIATIONS];
536 void PushTail P((int firstMove, int lastMove));
537 Boolean PopTail P((Boolean annotate));
538 void PushInner P((int firstMove, int lastMove));
539 void PopInner P((Boolean annotate));
540 void CleanupTail P((void));
542 ChessSquare FIDEArray[2][BOARD_FILES] = {
543 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
544 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
545 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
546 BlackKing, BlackBishop, BlackKnight, BlackRook }
549 ChessSquare twoKingsArray[2][BOARD_FILES] = {
550 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
551 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
553 BlackKing, BlackKing, BlackKnight, BlackRook }
556 ChessSquare KnightmateArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
558 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
559 { BlackRook, BlackMan, BlackBishop, BlackQueen,
560 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
563 ChessSquare SpartanArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
565 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
566 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
567 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
570 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
571 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
573 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
574 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
577 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
578 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
579 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
580 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
581 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
584 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
585 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
586 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
587 { BlackRook, BlackKnight, BlackMan, BlackFerz,
588 BlackKing, BlackMan, BlackKnight, BlackRook }
591 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
592 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
593 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
594 { BlackRook, BlackKnight, BlackMan, BlackFerz,
595 BlackKing, BlackMan, BlackKnight, BlackRook }
598 ChessSquare lionArray[2][BOARD_FILES] = {
599 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
600 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
601 { BlackRook, BlackLion, BlackBishop, BlackQueen,
602 BlackKing, BlackBishop, BlackKnight, BlackRook }
606 #if (BOARD_FILES>=10)
607 ChessSquare ShogiArray[2][BOARD_FILES] = {
608 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
609 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
610 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
611 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
614 ChessSquare XiangqiArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
616 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
618 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
621 ChessSquare CapablancaArray[2][BOARD_FILES] = {
622 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
623 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
624 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
625 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
628 ChessSquare GreatArray[2][BOARD_FILES] = {
629 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
630 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
631 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
632 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
635 ChessSquare JanusArray[2][BOARD_FILES] = {
636 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
637 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
638 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
639 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
642 ChessSquare GrandArray[2][BOARD_FILES] = {
643 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
644 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
645 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
646 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
649 ChessSquare ChuChessArray[2][BOARD_FILES] = {
650 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
651 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
652 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
653 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
657 ChessSquare GothicArray[2][BOARD_FILES] = {
658 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
659 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
660 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
661 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
664 #define GothicArray CapablancaArray
668 ChessSquare FalconArray[2][BOARD_FILES] = {
669 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
670 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
671 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
672 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
675 #define FalconArray CapablancaArray
678 #else // !(BOARD_FILES>=10)
679 #define XiangqiPosition FIDEArray
680 #define CapablancaArray FIDEArray
681 #define GothicArray FIDEArray
682 #define GreatArray FIDEArray
683 #endif // !(BOARD_FILES>=10)
685 #if (BOARD_FILES>=12)
686 ChessSquare CourierArray[2][BOARD_FILES] = {
687 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
688 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
689 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
690 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
692 ChessSquare ChuArray[6][BOARD_FILES] = {
693 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
694 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
695 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
696 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
697 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
698 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
699 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
700 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
701 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
702 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
703 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
704 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
706 #else // !(BOARD_FILES>=12)
707 #define CourierArray CapablancaArray
708 #define ChuArray CapablancaArray
709 #endif // !(BOARD_FILES>=12)
712 Board initialPosition;
715 /* Convert str to a rating. Checks for special cases of "----",
717 "++++", etc. Also strips ()'s */
719 string_to_rating (char *str)
721 while(*str && !isdigit(*str)) ++str;
723 return 0; /* One of the special "no rating" cases */
731 /* Init programStats */
732 programStats.movelist[0] = 0;
733 programStats.depth = 0;
734 programStats.nr_moves = 0;
735 programStats.moves_left = 0;
736 programStats.nodes = 0;
737 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
738 programStats.score = 0;
739 programStats.got_only_move = 0;
740 programStats.got_fail = 0;
741 programStats.line_is_book = 0;
746 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
747 if (appData.firstPlaysBlack) {
748 first.twoMachinesColor = "black\n";
749 second.twoMachinesColor = "white\n";
751 first.twoMachinesColor = "white\n";
752 second.twoMachinesColor = "black\n";
755 first.other = &second;
756 second.other = &first;
759 if(appData.timeOddsMode) {
760 norm = appData.timeOdds[0];
761 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
763 first.timeOdds = appData.timeOdds[0]/norm;
764 second.timeOdds = appData.timeOdds[1]/norm;
767 if(programVersion) free(programVersion);
768 if (appData.noChessProgram) {
769 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
770 sprintf(programVersion, "%s", PACKAGE_STRING);
772 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
773 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
774 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
779 UnloadEngine (ChessProgramState *cps)
781 /* Kill off first chess program */
782 if (cps->isr != NULL)
783 RemoveInputSource(cps->isr);
786 if (cps->pr != NoProc) {
788 DoSleep( appData.delayBeforeQuit );
789 SendToProgram("quit\n", cps);
790 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
793 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
797 ClearOptions (ChessProgramState *cps)
800 cps->nrOptions = cps->comboCnt = 0;
801 for(i=0; i<MAX_OPTIONS; i++) {
802 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
803 cps->option[i].textValue = 0;
807 char *engineNames[] = {
808 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
809 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
811 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
812 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
817 InitEngine (ChessProgramState *cps, int n)
818 { // [HGM] all engine initialiation put in a function that does one engine
822 cps->which = engineNames[n];
823 cps->maybeThinking = FALSE;
827 cps->sendDrawOffers = 1;
829 cps->program = appData.chessProgram[n];
830 cps->host = appData.host[n];
831 cps->dir = appData.directory[n];
832 cps->initString = appData.engInitString[n];
833 cps->computerString = appData.computerString[n];
834 cps->useSigint = TRUE;
835 cps->useSigterm = TRUE;
836 cps->reuse = appData.reuse[n];
837 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
838 cps->useSetboard = FALSE;
840 cps->usePing = FALSE;
843 cps->usePlayother = FALSE;
844 cps->useColors = TRUE;
845 cps->useUsermove = FALSE;
846 cps->sendICS = FALSE;
847 cps->sendName = appData.icsActive;
848 cps->sdKludge = FALSE;
849 cps->stKludge = FALSE;
850 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
851 TidyProgramName(cps->program, cps->host, cps->tidy);
853 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
854 cps->analysisSupport = 2; /* detect */
855 cps->analyzing = FALSE;
856 cps->initDone = FALSE;
858 cps->pseudo = appData.pseudo[n];
860 /* New features added by Tord: */
861 cps->useFEN960 = FALSE;
862 cps->useOOCastle = TRUE;
863 /* End of new features added by Tord. */
864 cps->fenOverride = appData.fenOverride[n];
866 /* [HGM] time odds: set factor for each machine */
867 cps->timeOdds = appData.timeOdds[n];
869 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
870 cps->accumulateTC = appData.accumulateTC[n];
871 cps->maxNrOfSessions = 1;
876 cps->drawDepth = appData.drawDepth[n];
877 cps->supportsNPS = UNKNOWN;
878 cps->memSize = FALSE;
879 cps->maxCores = FALSE;
880 ASSIGN(cps->egtFormats, "");
883 cps->optionSettings = appData.engOptions[n];
885 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
886 cps->isUCI = appData.isUCI[n]; /* [AS] */
887 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
890 if (appData.protocolVersion[n] > PROTOVER
891 || appData.protocolVersion[n] < 1)
896 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
897 appData.protocolVersion[n]);
898 if( (len >= MSG_SIZ) && appData.debugMode )
899 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
901 DisplayFatalError(buf, 0, 2);
905 cps->protocolVersion = appData.protocolVersion[n];
908 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
909 ParseFeatures(appData.featureDefaults, cps);
912 ChessProgramState *savCps;
920 if(WaitForEngine(savCps, LoadEngine)) return;
921 CommonEngineInit(); // recalculate time odds
922 if(gameInfo.variant != StringToVariant(appData.variant)) {
923 // we changed variant when loading the engine; this forces us to reset
924 Reset(TRUE, savCps != &first);
925 oldMode = BeginningOfGame; // to prevent restoring old mode
927 InitChessProgram(savCps, FALSE);
928 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
929 DisplayMessage("", "");
930 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
931 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
934 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
938 ReplaceEngine (ChessProgramState *cps, int n)
940 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
942 if(oldMode != BeginningOfGame) EditGameEvent();
945 appData.noChessProgram = FALSE;
946 appData.clockMode = TRUE;
949 if(n) return; // only startup first engine immediately; second can wait
950 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
954 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
955 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
957 static char resetOptions[] =
958 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
959 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
960 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
961 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
964 FloatToFront(char **list, char *engineLine)
966 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
968 if(appData.recentEngines <= 0) return;
969 TidyProgramName(engineLine, "localhost", tidy+1);
970 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
971 strncpy(buf+1, *list, MSG_SIZ-50);
972 if(p = strstr(buf, tidy)) { // tidy name appears in list
973 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
974 while(*p++ = *++q); // squeeze out
976 strcat(tidy, buf+1); // put list behind tidy name
977 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
978 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
979 ASSIGN(*list, tidy+1);
982 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
985 Load (ChessProgramState *cps, int i)
987 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
988 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
989 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
990 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
991 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
992 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
993 appData.firstProtocolVersion = PROTOVER;
994 ParseArgsFromString(buf);
996 ReplaceEngine(cps, i);
997 FloatToFront(&appData.recentEngineList, engineLine);
1001 while(q = strchr(p, SLASH)) p = q+1;
1002 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1003 if(engineDir[0] != NULLCHAR) {
1004 ASSIGN(appData.directory[i], engineDir); p = engineName;
1005 } else if(p != engineName) { // derive directory from engine path, when not given
1007 ASSIGN(appData.directory[i], engineName);
1009 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1010 } else { ASSIGN(appData.directory[i], "."); }
1011 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1013 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1014 snprintf(command, MSG_SIZ, "%s %s", p, params);
1017 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1018 ASSIGN(appData.chessProgram[i], p);
1019 appData.isUCI[i] = isUCI;
1020 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1021 appData.hasOwnBookUCI[i] = hasBook;
1022 if(!nickName[0]) useNick = FALSE;
1023 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1027 q = firstChessProgramNames;
1028 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1029 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1030 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1031 quote, p, quote, appData.directory[i],
1032 useNick ? " -fn \"" : "",
1033 useNick ? nickName : "",
1034 useNick ? "\"" : "",
1035 v1 ? " -firstProtocolVersion 1" : "",
1036 hasBook ? "" : " -fNoOwnBookUCI",
1037 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1038 storeVariant ? " -variant " : "",
1039 storeVariant ? VariantName(gameInfo.variant) : "");
1040 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1041 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1042 if(insert != q) insert[-1] = NULLCHAR;
1043 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1045 FloatToFront(&appData.recentEngineList, buf);
1047 ReplaceEngine(cps, i);
1053 int matched, min, sec;
1055 * Parse timeControl resource
1057 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1058 appData.movesPerSession)) {
1060 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1061 DisplayFatalError(buf, 0, 2);
1065 * Parse searchTime resource
1067 if (*appData.searchTime != NULLCHAR) {
1068 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1070 searchTime = min * 60;
1071 } else if (matched == 2) {
1072 searchTime = min * 60 + sec;
1075 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1076 DisplayFatalError(buf, 0, 2);
1085 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1086 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1088 GetTimeMark(&programStartTime);
1089 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1090 appData.seedBase = random() + (random()<<15);
1091 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1093 ClearProgramStats();
1094 programStats.ok_to_send = 1;
1095 programStats.seen_stat = 0;
1098 * Initialize game list
1104 * Internet chess server status
1106 if (appData.icsActive) {
1107 appData.matchMode = FALSE;
1108 appData.matchGames = 0;
1110 appData.noChessProgram = !appData.zippyPlay;
1112 appData.zippyPlay = FALSE;
1113 appData.zippyTalk = FALSE;
1114 appData.noChessProgram = TRUE;
1116 if (*appData.icsHelper != NULLCHAR) {
1117 appData.useTelnet = TRUE;
1118 appData.telnetProgram = appData.icsHelper;
1121 appData.zippyTalk = appData.zippyPlay = FALSE;
1124 /* [AS] Initialize pv info list [HGM] and game state */
1128 for( i=0; i<=framePtr; i++ ) {
1129 pvInfoList[i].depth = -1;
1130 boards[i][EP_STATUS] = EP_NONE;
1131 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1137 /* [AS] Adjudication threshold */
1138 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1140 InitEngine(&first, 0);
1141 InitEngine(&second, 1);
1144 pairing.which = "pairing"; // pairing engine
1145 pairing.pr = NoProc;
1147 pairing.program = appData.pairingEngine;
1148 pairing.host = "localhost";
1151 if (appData.icsActive) {
1152 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1153 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1154 appData.clockMode = FALSE;
1155 first.sendTime = second.sendTime = 0;
1159 /* Override some settings from environment variables, for backward
1160 compatibility. Unfortunately it's not feasible to have the env
1161 vars just set defaults, at least in xboard. Ugh.
1163 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1168 if (!appData.icsActive) {
1172 /* Check for variants that are supported only in ICS mode,
1173 or not at all. Some that are accepted here nevertheless
1174 have bugs; see comments below.
1176 VariantClass variant = StringToVariant(appData.variant);
1178 case VariantBughouse: /* need four players and two boards */
1179 case VariantKriegspiel: /* need to hide pieces and move details */
1180 /* case VariantFischeRandom: (Fabien: moved below) */
1181 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1182 if( (len >= MSG_SIZ) && appData.debugMode )
1183 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1185 DisplayFatalError(buf, 0, 2);
1188 case VariantUnknown:
1189 case VariantLoadable:
1199 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1200 if( (len >= MSG_SIZ) && appData.debugMode )
1201 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1203 DisplayFatalError(buf, 0, 2);
1206 case VariantNormal: /* definitely works! */
1207 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1208 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1211 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1212 case VariantFairy: /* [HGM] TestLegality definitely off! */
1213 case VariantGothic: /* [HGM] should work */
1214 case VariantCapablanca: /* [HGM] should work */
1215 case VariantCourier: /* [HGM] initial forced moves not implemented */
1216 case VariantShogi: /* [HGM] could still mate with pawn drop */
1217 case VariantChu: /* [HGM] experimental */
1218 case VariantKnightmate: /* [HGM] should work */
1219 case VariantCylinder: /* [HGM] untested */
1220 case VariantFalcon: /* [HGM] untested */
1221 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1222 offboard interposition not understood */
1223 case VariantWildCastle: /* pieces not automatically shuffled */
1224 case VariantNoCastle: /* pieces not automatically shuffled */
1225 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1226 case VariantLosers: /* should work except for win condition,
1227 and doesn't know captures are mandatory */
1228 case VariantSuicide: /* should work except for win condition,
1229 and doesn't know captures are mandatory */
1230 case VariantGiveaway: /* should work except for win condition,
1231 and doesn't know captures are mandatory */
1232 case VariantTwoKings: /* should work */
1233 case VariantAtomic: /* should work except for win condition */
1234 case Variant3Check: /* should work except for win condition */
1235 case VariantShatranj: /* should work except for all win conditions */
1236 case VariantMakruk: /* should work except for draw countdown */
1237 case VariantASEAN : /* should work except for draw countdown */
1238 case VariantBerolina: /* might work if TestLegality is off */
1239 case VariantCapaRandom: /* should work */
1240 case VariantJanus: /* should work */
1241 case VariantSuper: /* experimental */
1242 case VariantGreat: /* experimental, requires legality testing to be off */
1243 case VariantSChess: /* S-Chess, should work */
1244 case VariantGrand: /* should work */
1245 case VariantSpartan: /* should work */
1246 case VariantLion: /* should work */
1247 case VariantChuChess: /* should work */
1255 NextIntegerFromString (char ** str, long * value)
1260 while( *s == ' ' || *s == '\t' ) {
1266 if( *s >= '0' && *s <= '9' ) {
1267 while( *s >= '0' && *s <= '9' ) {
1268 *value = *value * 10 + (*s - '0');
1281 NextTimeControlFromString (char ** str, long * value)
1284 int result = NextIntegerFromString( str, &temp );
1287 *value = temp * 60; /* Minutes */
1288 if( **str == ':' ) {
1290 result = NextIntegerFromString( str, &temp );
1291 *value += temp; /* Seconds */
1299 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1300 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1301 int result = -1, type = 0; long temp, temp2;
1303 if(**str != ':') return -1; // old params remain in force!
1305 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1306 if( NextIntegerFromString( str, &temp ) ) return -1;
1307 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1310 /* time only: incremental or sudden-death time control */
1311 if(**str == '+') { /* increment follows; read it */
1313 if(**str == '!') type = *(*str)++; // Bronstein TC
1314 if(result = NextIntegerFromString( str, &temp2)) return -1;
1315 *inc = temp2 * 1000;
1316 if(**str == '.') { // read fraction of increment
1317 char *start = ++(*str);
1318 if(result = NextIntegerFromString( str, &temp2)) return -1;
1320 while(start++ < *str) temp2 /= 10;
1324 *moves = 0; *tc = temp * 1000; *incType = type;
1328 (*str)++; /* classical time control */
1329 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1341 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1342 { /* [HGM] get time to add from the multi-session time-control string */
1343 int incType, moves=1; /* kludge to force reading of first session */
1344 long time, increment;
1347 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1349 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1350 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1351 if(movenr == -1) return time; /* last move before new session */
1352 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1353 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1354 if(!moves) return increment; /* current session is incremental */
1355 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1356 } while(movenr >= -1); /* try again for next session */
1358 return 0; // no new time quota on this move
1362 ParseTimeControl (char *tc, float ti, int mps)
1366 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1369 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1370 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1371 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1375 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1377 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1380 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1382 snprintf(buf, MSG_SIZ, ":%s", mytc);
1384 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1386 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1391 /* Parse second time control */
1394 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1402 timeControl_2 = tc2 * 1000;
1412 timeControl = tc1 * 1000;
1415 timeIncrement = ti * 1000; /* convert to ms */
1416 movesPerSession = 0;
1419 movesPerSession = mps;
1427 if (appData.debugMode) {
1428 # ifdef __GIT_VERSION
1429 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1431 fprintf(debugFP, "Version: %s\n", programVersion);
1434 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1436 set_cont_sequence(appData.wrapContSeq);
1437 if (appData.matchGames > 0) {
1438 appData.matchMode = TRUE;
1439 } else if (appData.matchMode) {
1440 appData.matchGames = 1;
1442 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1443 appData.matchGames = appData.sameColorGames;
1444 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1445 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1446 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1449 if (appData.noChessProgram || first.protocolVersion == 1) {
1452 /* kludge: allow timeout for initial "feature" commands */
1454 DisplayMessage("", _("Starting chess program"));
1455 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1460 CalculateIndex (int index, int gameNr)
1461 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1463 if(index > 0) return index; // fixed nmber
1464 if(index == 0) return 1;
1465 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1466 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1471 LoadGameOrPosition (int gameNr)
1472 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1473 if (*appData.loadGameFile != NULLCHAR) {
1474 if (!LoadGameFromFile(appData.loadGameFile,
1475 CalculateIndex(appData.loadGameIndex, gameNr),
1476 appData.loadGameFile, FALSE)) {
1477 DisplayFatalError(_("Bad game file"), 0, 1);
1480 } else if (*appData.loadPositionFile != NULLCHAR) {
1481 if (!LoadPositionFromFile(appData.loadPositionFile,
1482 CalculateIndex(appData.loadPositionIndex, gameNr),
1483 appData.loadPositionFile)) {
1484 DisplayFatalError(_("Bad position file"), 0, 1);
1492 ReserveGame (int gameNr, char resChar)
1494 FILE *tf = fopen(appData.tourneyFile, "r+");
1495 char *p, *q, c, buf[MSG_SIZ];
1496 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1497 safeStrCpy(buf, lastMsg, MSG_SIZ);
1498 DisplayMessage(_("Pick new game"), "");
1499 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1500 ParseArgsFromFile(tf);
1501 p = q = appData.results;
1502 if(appData.debugMode) {
1503 char *r = appData.participants;
1504 fprintf(debugFP, "results = '%s'\n", p);
1505 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1506 fprintf(debugFP, "\n");
1508 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1510 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1511 safeStrCpy(q, p, strlen(p) + 2);
1512 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1513 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1514 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1515 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1518 fseek(tf, -(strlen(p)+4), SEEK_END);
1520 if(c != '"') // depending on DOS or Unix line endings we can be one off
1521 fseek(tf, -(strlen(p)+2), SEEK_END);
1522 else fseek(tf, -(strlen(p)+3), SEEK_END);
1523 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1524 DisplayMessage(buf, "");
1525 free(p); appData.results = q;
1526 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1527 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1528 int round = appData.defaultMatchGames * appData.tourneyType;
1529 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1530 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1531 UnloadEngine(&first); // next game belongs to other pairing;
1532 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1534 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1538 MatchEvent (int mode)
1539 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1541 if(matchMode) { // already in match mode: switch it off
1543 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1546 // if(gameMode != BeginningOfGame) {
1547 // DisplayError(_("You can only start a match from the initial position."), 0);
1551 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1552 /* Set up machine vs. machine match */
1554 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1555 if(appData.tourneyFile[0]) {
1557 if(nextGame > appData.matchGames) {
1559 if(strchr(appData.results, '*') == NULL) {
1561 appData.tourneyCycles++;
1562 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1564 NextTourneyGame(-1, &dummy);
1566 if(nextGame <= appData.matchGames) {
1567 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1569 ScheduleDelayedEvent(NextMatchGame, 10000);
1574 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1575 DisplayError(buf, 0);
1576 appData.tourneyFile[0] = 0;
1580 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1581 DisplayFatalError(_("Can't have a match with no chess programs"),
1586 matchGame = roundNr = 1;
1587 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1591 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1594 InitBackEnd3 P((void))
1596 GameMode initialMode;
1600 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1601 !strcmp(appData.variant, "normal") && // no explicit variant request
1602 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1603 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1604 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1605 char c, *q = first.variants, *p = strchr(q, ',');
1606 if(p) *p = NULLCHAR;
1607 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1609 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1610 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1611 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1612 Reset(TRUE, FALSE); // and re-initialize
1617 InitChessProgram(&first, startedFromSetupPosition);
1619 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1620 free(programVersion);
1621 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1622 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1623 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1626 if (appData.icsActive) {
1628 /* [DM] Make a console window if needed [HGM] merged ifs */
1634 if (*appData.icsCommPort != NULLCHAR)
1635 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1636 appData.icsCommPort);
1638 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1639 appData.icsHost, appData.icsPort);
1641 if( (len >= MSG_SIZ) && appData.debugMode )
1642 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1644 DisplayFatalError(buf, err, 1);
1649 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1651 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1652 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1653 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1654 } else if (appData.noChessProgram) {
1660 if (*appData.cmailGameName != NULLCHAR) {
1662 OpenLoopback(&cmailPR);
1664 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1668 DisplayMessage("", "");
1669 if (StrCaseCmp(appData.initialMode, "") == 0) {
1670 initialMode = BeginningOfGame;
1671 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1672 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1673 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1674 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1677 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1678 initialMode = TwoMachinesPlay;
1679 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1680 initialMode = AnalyzeFile;
1681 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1682 initialMode = AnalyzeMode;
1683 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1684 initialMode = MachinePlaysWhite;
1685 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1686 initialMode = MachinePlaysBlack;
1687 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1688 initialMode = EditGame;
1689 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1690 initialMode = EditPosition;
1691 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1692 initialMode = Training;
1694 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1695 if( (len >= MSG_SIZ) && appData.debugMode )
1696 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1698 DisplayFatalError(buf, 0, 2);
1702 if (appData.matchMode) {
1703 if(appData.tourneyFile[0]) { // start tourney from command line
1705 if(f = fopen(appData.tourneyFile, "r")) {
1706 ParseArgsFromFile(f); // make sure tourney parmeters re known
1708 appData.clockMode = TRUE;
1710 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1713 } else if (*appData.cmailGameName != NULLCHAR) {
1714 /* Set up cmail mode */
1715 ReloadCmailMsgEvent(TRUE);
1717 /* Set up other modes */
1718 if (initialMode == AnalyzeFile) {
1719 if (*appData.loadGameFile == NULLCHAR) {
1720 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1724 if (*appData.loadGameFile != NULLCHAR) {
1725 (void) LoadGameFromFile(appData.loadGameFile,
1726 appData.loadGameIndex,
1727 appData.loadGameFile, TRUE);
1728 } else if (*appData.loadPositionFile != NULLCHAR) {
1729 (void) LoadPositionFromFile(appData.loadPositionFile,
1730 appData.loadPositionIndex,
1731 appData.loadPositionFile);
1732 /* [HGM] try to make self-starting even after FEN load */
1733 /* to allow automatic setup of fairy variants with wtm */
1734 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1735 gameMode = BeginningOfGame;
1736 setboardSpoiledMachineBlack = 1;
1738 /* [HGM] loadPos: make that every new game uses the setup */
1739 /* from file as long as we do not switch variant */
1740 if(!blackPlaysFirst) {
1741 startedFromPositionFile = TRUE;
1742 CopyBoard(filePosition, boards[0]);
1745 if (initialMode == AnalyzeMode) {
1746 if (appData.noChessProgram) {
1747 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1750 if (appData.icsActive) {
1751 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1755 } else if (initialMode == AnalyzeFile) {
1756 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1757 ShowThinkingEvent();
1759 AnalysisPeriodicEvent(1);
1760 } else if (initialMode == MachinePlaysWhite) {
1761 if (appData.noChessProgram) {
1762 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1766 if (appData.icsActive) {
1767 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1771 MachineWhiteEvent();
1772 } else if (initialMode == MachinePlaysBlack) {
1773 if (appData.noChessProgram) {
1774 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1778 if (appData.icsActive) {
1779 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1783 MachineBlackEvent();
1784 } else if (initialMode == TwoMachinesPlay) {
1785 if (appData.noChessProgram) {
1786 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1790 if (appData.icsActive) {
1791 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1796 } else if (initialMode == EditGame) {
1798 } else if (initialMode == EditPosition) {
1799 EditPositionEvent();
1800 } else if (initialMode == Training) {
1801 if (*appData.loadGameFile == NULLCHAR) {
1802 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1811 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1813 DisplayBook(current+1);
1815 MoveHistorySet( movelist, first, last, current, pvInfoList );
1817 EvalGraphSet( first, last, current, pvInfoList );
1819 MakeEngineOutputTitle();
1823 * Establish will establish a contact to a remote host.port.
1824 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1825 * used to talk to the host.
1826 * Returns 0 if okay, error code if not.
1833 if (*appData.icsCommPort != NULLCHAR) {
1834 /* Talk to the host through a serial comm port */
1835 return OpenCommPort(appData.icsCommPort, &icsPR);
1837 } else if (*appData.gateway != NULLCHAR) {
1838 if (*appData.remoteShell == NULLCHAR) {
1839 /* Use the rcmd protocol to run telnet program on a gateway host */
1840 snprintf(buf, sizeof(buf), "%s %s %s",
1841 appData.telnetProgram, appData.icsHost, appData.icsPort);
1842 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1845 /* Use the rsh program to run telnet program on a gateway host */
1846 if (*appData.remoteUser == NULLCHAR) {
1847 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1848 appData.gateway, appData.telnetProgram,
1849 appData.icsHost, appData.icsPort);
1851 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1852 appData.remoteShell, appData.gateway,
1853 appData.remoteUser, appData.telnetProgram,
1854 appData.icsHost, appData.icsPort);
1856 return StartChildProcess(buf, "", &icsPR);
1859 } else if (appData.useTelnet) {
1860 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1863 /* TCP socket interface differs somewhat between
1864 Unix and NT; handle details in the front end.
1866 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1871 EscapeExpand (char *p, char *q)
1872 { // [HGM] initstring: routine to shape up string arguments
1873 while(*p++ = *q++) if(p[-1] == '\\')
1875 case 'n': p[-1] = '\n'; break;
1876 case 'r': p[-1] = '\r'; break;
1877 case 't': p[-1] = '\t'; break;
1878 case '\\': p[-1] = '\\'; break;
1879 case 0: *p = 0; return;
1880 default: p[-1] = q[-1]; break;
1885 show_bytes (FILE *fp, char *buf, int count)
1888 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1889 fprintf(fp, "\\%03o", *buf & 0xff);
1898 /* Returns an errno value */
1900 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1902 char buf[8192], *p, *q, *buflim;
1903 int left, newcount, outcount;
1905 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1906 *appData.gateway != NULLCHAR) {
1907 if (appData.debugMode) {
1908 fprintf(debugFP, ">ICS: ");
1909 show_bytes(debugFP, message, count);
1910 fprintf(debugFP, "\n");
1912 return OutputToProcess(pr, message, count, outError);
1915 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1922 if (appData.debugMode) {
1923 fprintf(debugFP, ">ICS: ");
1924 show_bytes(debugFP, buf, newcount);
1925 fprintf(debugFP, "\n");
1927 outcount = OutputToProcess(pr, buf, newcount, outError);
1928 if (outcount < newcount) return -1; /* to be sure */
1935 } else if (((unsigned char) *p) == TN_IAC) {
1936 *q++ = (char) TN_IAC;
1943 if (appData.debugMode) {
1944 fprintf(debugFP, ">ICS: ");
1945 show_bytes(debugFP, buf, newcount);
1946 fprintf(debugFP, "\n");
1948 outcount = OutputToProcess(pr, buf, newcount, outError);
1949 if (outcount < newcount) return -1; /* to be sure */
1954 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1956 int outError, outCount;
1957 static int gotEof = 0;
1960 /* Pass data read from player on to ICS */
1963 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1964 if (outCount < count) {
1965 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1967 if(have_sent_ICS_logon == 2) {
1968 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1969 fprintf(ini, "%s", message);
1970 have_sent_ICS_logon = 3;
1972 have_sent_ICS_logon = 1;
1973 } else if(have_sent_ICS_logon == 3) {
1974 fprintf(ini, "%s", message);
1976 have_sent_ICS_logon = 1;
1978 } else if (count < 0) {
1979 RemoveInputSource(isr);
1980 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1981 } else if (gotEof++ > 0) {
1982 RemoveInputSource(isr);
1983 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1989 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1990 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1991 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1992 SendToICS("date\n");
1993 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1996 /* added routine for printf style output to ics */
1998 ics_printf (char *format, ...)
2000 char buffer[MSG_SIZ];
2003 va_start(args, format);
2004 vsnprintf(buffer, sizeof(buffer), format, args);
2005 buffer[sizeof(buffer)-1] = '\0';
2013 int count, outCount, outError;
2015 if (icsPR == NoProc) return;
2018 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2019 if (outCount < count) {
2020 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2024 /* This is used for sending logon scripts to the ICS. Sending
2025 without a delay causes problems when using timestamp on ICC
2026 (at least on my machine). */
2028 SendToICSDelayed (char *s, long msdelay)
2030 int count, outCount, outError;
2032 if (icsPR == NoProc) return;
2035 if (appData.debugMode) {
2036 fprintf(debugFP, ">ICS: ");
2037 show_bytes(debugFP, s, count);
2038 fprintf(debugFP, "\n");
2040 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2042 if (outCount < count) {
2043 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2048 /* Remove all highlighting escape sequences in s
2049 Also deletes any suffix starting with '('
2052 StripHighlightAndTitle (char *s)
2054 static char retbuf[MSG_SIZ];
2057 while (*s != NULLCHAR) {
2058 while (*s == '\033') {
2059 while (*s != NULLCHAR && !isalpha(*s)) s++;
2060 if (*s != NULLCHAR) s++;
2062 while (*s != NULLCHAR && *s != '\033') {
2063 if (*s == '(' || *s == '[') {
2074 /* Remove all highlighting escape sequences in s */
2076 StripHighlight (char *s)
2078 static char retbuf[MSG_SIZ];
2081 while (*s != NULLCHAR) {
2082 while (*s == '\033') {
2083 while (*s != NULLCHAR && !isalpha(*s)) s++;
2084 if (*s != NULLCHAR) s++;
2086 while (*s != NULLCHAR && *s != '\033') {
2094 char engineVariant[MSG_SIZ];
2095 char *variantNames[] = VARIANT_NAMES;
2097 VariantName (VariantClass v)
2099 if(v == VariantUnknown || *engineVariant) return engineVariant;
2100 return variantNames[v];
2104 /* Identify a variant from the strings the chess servers use or the
2105 PGN Variant tag names we use. */
2107 StringToVariant (char *e)
2111 VariantClass v = VariantNormal;
2112 int i, found = FALSE;
2113 char buf[MSG_SIZ], c;
2118 /* [HGM] skip over optional board-size prefixes */
2119 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2120 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2121 while( *e++ != '_');
2124 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2128 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2129 if (p = StrCaseStr(e, variantNames[i])) {
2130 if(p && i >= VariantShogi && (p != e || isalpha(p[strlen(variantNames[i])]))) continue;
2131 v = (VariantClass) i;
2138 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2139 || StrCaseStr(e, "wild/fr")
2140 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2141 v = VariantFischeRandom;
2142 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2143 (i = 1, p = StrCaseStr(e, "w"))) {
2145 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2152 case 0: /* FICS only, actually */
2154 /* Castling legal even if K starts on d-file */
2155 v = VariantWildCastle;
2160 /* Castling illegal even if K & R happen to start in
2161 normal positions. */
2162 v = VariantNoCastle;
2175 /* Castling legal iff K & R start in normal positions */
2181 /* Special wilds for position setup; unclear what to do here */
2182 v = VariantLoadable;
2185 /* Bizarre ICC game */
2186 v = VariantTwoKings;
2189 v = VariantKriegspiel;
2195 v = VariantFischeRandom;
2198 v = VariantCrazyhouse;
2201 v = VariantBughouse;
2207 /* Not quite the same as FICS suicide! */
2208 v = VariantGiveaway;
2214 v = VariantShatranj;
2217 /* Temporary names for future ICC types. The name *will* change in
2218 the next xboard/WinBoard release after ICC defines it. */
2256 v = VariantCapablanca;
2259 v = VariantKnightmate;
2265 v = VariantCylinder;
2271 v = VariantCapaRandom;
2274 v = VariantBerolina;
2286 /* Found "wild" or "w" in the string but no number;
2287 must assume it's normal chess. */
2291 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2292 if( (len >= MSG_SIZ) && appData.debugMode )
2293 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2295 DisplayError(buf, 0);
2301 if (appData.debugMode) {
2302 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2303 e, wnum, VariantName(v));
2308 static int leftover_start = 0, leftover_len = 0;
2309 char star_match[STAR_MATCH_N][MSG_SIZ];
2311 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2312 advance *index beyond it, and set leftover_start to the new value of
2313 *index; else return FALSE. If pattern contains the character '*', it
2314 matches any sequence of characters not containing '\r', '\n', or the
2315 character following the '*' (if any), and the matched sequence(s) are
2316 copied into star_match.
2319 looking_at ( char *buf, int *index, char *pattern)
2321 char *bufp = &buf[*index], *patternp = pattern;
2323 char *matchp = star_match[0];
2326 if (*patternp == NULLCHAR) {
2327 *index = leftover_start = bufp - buf;
2331 if (*bufp == NULLCHAR) return FALSE;
2332 if (*patternp == '*') {
2333 if (*bufp == *(patternp + 1)) {
2335 matchp = star_match[++star_count];
2339 } else if (*bufp == '\n' || *bufp == '\r') {
2341 if (*patternp == NULLCHAR)
2346 *matchp++ = *bufp++;
2350 if (*patternp != *bufp) return FALSE;
2357 SendToPlayer (char *data, int length)
2359 int error, outCount;
2360 outCount = OutputToProcess(NoProc, data, length, &error);
2361 if (outCount < length) {
2362 DisplayFatalError(_("Error writing to display"), error, 1);
2367 PackHolding (char packed[], char *holding)
2377 switch (runlength) {
2388 sprintf(q, "%d", runlength);
2400 /* Telnet protocol requests from the front end */
2402 TelnetRequest (unsigned char ddww, unsigned char option)
2404 unsigned char msg[3];
2405 int outCount, outError;
2407 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2409 if (appData.debugMode) {
2410 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2426 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2435 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2438 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2443 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2445 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2452 if (!appData.icsActive) return;
2453 TelnetRequest(TN_DO, TN_ECHO);
2459 if (!appData.icsActive) return;
2460 TelnetRequest(TN_DONT, TN_ECHO);
2464 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2466 /* put the holdings sent to us by the server on the board holdings area */
2467 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2471 if(gameInfo.holdingsWidth < 2) return;
2472 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2473 return; // prevent overwriting by pre-board holdings
2475 if( (int)lowestPiece >= BlackPawn ) {
2478 holdingsStartRow = BOARD_HEIGHT-1;
2481 holdingsColumn = BOARD_WIDTH-1;
2482 countsColumn = BOARD_WIDTH-2;
2483 holdingsStartRow = 0;
2487 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2488 board[i][holdingsColumn] = EmptySquare;
2489 board[i][countsColumn] = (ChessSquare) 0;
2491 while( (p=*holdings++) != NULLCHAR ) {
2492 piece = CharToPiece( ToUpper(p) );
2493 if(piece == EmptySquare) continue;
2494 /*j = (int) piece - (int) WhitePawn;*/
2495 j = PieceToNumber(piece);
2496 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2497 if(j < 0) continue; /* should not happen */
2498 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2499 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2500 board[holdingsStartRow+j*direction][countsColumn]++;
2506 VariantSwitch (Board board, VariantClass newVariant)
2508 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2509 static Board oldBoard;
2511 startedFromPositionFile = FALSE;
2512 if(gameInfo.variant == newVariant) return;
2514 /* [HGM] This routine is called each time an assignment is made to
2515 * gameInfo.variant during a game, to make sure the board sizes
2516 * are set to match the new variant. If that means adding or deleting
2517 * holdings, we shift the playing board accordingly
2518 * This kludge is needed because in ICS observe mode, we get boards
2519 * of an ongoing game without knowing the variant, and learn about the
2520 * latter only later. This can be because of the move list we requested,
2521 * in which case the game history is refilled from the beginning anyway,
2522 * but also when receiving holdings of a crazyhouse game. In the latter
2523 * case we want to add those holdings to the already received position.
2527 if (appData.debugMode) {
2528 fprintf(debugFP, "Switch board from %s to %s\n",
2529 VariantName(gameInfo.variant), VariantName(newVariant));
2530 setbuf(debugFP, NULL);
2532 shuffleOpenings = 0; /* [HGM] shuffle */
2533 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2537 newWidth = 9; newHeight = 9;
2538 gameInfo.holdingsSize = 7;
2539 case VariantBughouse:
2540 case VariantCrazyhouse:
2541 newHoldingsWidth = 2; break;
2545 newHoldingsWidth = 2;
2546 gameInfo.holdingsSize = 8;
2549 case VariantCapablanca:
2550 case VariantCapaRandom:
2553 newHoldingsWidth = gameInfo.holdingsSize = 0;
2556 if(newWidth != gameInfo.boardWidth ||
2557 newHeight != gameInfo.boardHeight ||
2558 newHoldingsWidth != gameInfo.holdingsWidth ) {
2560 /* shift position to new playing area, if needed */
2561 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2562 for(i=0; i<BOARD_HEIGHT; i++)
2563 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2564 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2566 for(i=0; i<newHeight; i++) {
2567 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2568 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2570 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2571 for(i=0; i<BOARD_HEIGHT; i++)
2572 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2573 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2576 board[HOLDINGS_SET] = 0;
2577 gameInfo.boardWidth = newWidth;
2578 gameInfo.boardHeight = newHeight;
2579 gameInfo.holdingsWidth = newHoldingsWidth;
2580 gameInfo.variant = newVariant;
2581 InitDrawingSizes(-2, 0);
2582 } else gameInfo.variant = newVariant;
2583 CopyBoard(oldBoard, board); // remember correctly formatted board
2584 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2585 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2588 static int loggedOn = FALSE;
2590 /*-- Game start info cache: --*/
2592 char gs_kind[MSG_SIZ];
2593 static char player1Name[128] = "";
2594 static char player2Name[128] = "";
2595 static char cont_seq[] = "\n\\ ";
2596 static int player1Rating = -1;
2597 static int player2Rating = -1;
2598 /*----------------------------*/
2600 ColorClass curColor = ColorNormal;
2601 int suppressKibitz = 0;
2604 Boolean soughtPending = FALSE;
2605 Boolean seekGraphUp;
2606 #define MAX_SEEK_ADS 200
2608 char *seekAdList[MAX_SEEK_ADS];
2609 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2610 float tcList[MAX_SEEK_ADS];
2611 char colorList[MAX_SEEK_ADS];
2612 int nrOfSeekAds = 0;
2613 int minRating = 1010, maxRating = 2800;
2614 int hMargin = 10, vMargin = 20, h, w;
2615 extern int squareSize, lineGap;
2620 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2621 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2622 if(r < minRating+100 && r >=0 ) r = minRating+100;
2623 if(r > maxRating) r = maxRating;
2624 if(tc < 1.f) tc = 1.f;
2625 if(tc > 95.f) tc = 95.f;
2626 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2627 y = ((double)r - minRating)/(maxRating - minRating)
2628 * (h-vMargin-squareSize/8-1) + vMargin;
2629 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2630 if(strstr(seekAdList[i], " u ")) color = 1;
2631 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2632 !strstr(seekAdList[i], "bullet") &&
2633 !strstr(seekAdList[i], "blitz") &&
2634 !strstr(seekAdList[i], "standard") ) color = 2;
2635 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2636 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2640 PlotSingleSeekAd (int i)
2646 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2648 char buf[MSG_SIZ], *ext = "";
2649 VariantClass v = StringToVariant(type);
2650 if(strstr(type, "wild")) {
2651 ext = type + 4; // append wild number
2652 if(v == VariantFischeRandom) type = "chess960"; else
2653 if(v == VariantLoadable) type = "setup"; else
2654 type = VariantName(v);
2656 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2657 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2658 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2659 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2660 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2661 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2662 seekNrList[nrOfSeekAds] = nr;
2663 zList[nrOfSeekAds] = 0;
2664 seekAdList[nrOfSeekAds++] = StrSave(buf);
2665 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2670 EraseSeekDot (int i)
2672 int x = xList[i], y = yList[i], d=squareSize/4, k;
2673 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2674 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2675 // now replot every dot that overlapped
2676 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2677 int xx = xList[k], yy = yList[k];
2678 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2679 DrawSeekDot(xx, yy, colorList[k]);
2684 RemoveSeekAd (int nr)
2687 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2689 if(seekAdList[i]) free(seekAdList[i]);
2690 seekAdList[i] = seekAdList[--nrOfSeekAds];
2691 seekNrList[i] = seekNrList[nrOfSeekAds];
2692 ratingList[i] = ratingList[nrOfSeekAds];
2693 colorList[i] = colorList[nrOfSeekAds];
2694 tcList[i] = tcList[nrOfSeekAds];
2695 xList[i] = xList[nrOfSeekAds];
2696 yList[i] = yList[nrOfSeekAds];
2697 zList[i] = zList[nrOfSeekAds];
2698 seekAdList[nrOfSeekAds] = NULL;
2704 MatchSoughtLine (char *line)
2706 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2707 int nr, base, inc, u=0; char dummy;
2709 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2710 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2712 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2713 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2714 // match: compact and save the line
2715 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2725 if(!seekGraphUp) return FALSE;
2726 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2727 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2729 DrawSeekBackground(0, 0, w, h);
2730 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2731 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2732 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2733 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2735 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2738 snprintf(buf, MSG_SIZ, "%d", i);
2739 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2742 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2743 for(i=1; i<100; i+=(i<10?1:5)) {
2744 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2745 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2746 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2748 snprintf(buf, MSG_SIZ, "%d", i);
2749 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2752 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2757 SeekGraphClick (ClickType click, int x, int y, int moving)
2759 static int lastDown = 0, displayed = 0, lastSecond;
2760 if(y < 0) return FALSE;
2761 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2762 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2763 if(!seekGraphUp) return FALSE;
2764 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2765 DrawPosition(TRUE, NULL);
2768 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2769 if(click == Release || moving) return FALSE;
2771 soughtPending = TRUE;
2772 SendToICS(ics_prefix);
2773 SendToICS("sought\n"); // should this be "sought all"?
2774 } else { // issue challenge based on clicked ad
2775 int dist = 10000; int i, closest = 0, second = 0;
2776 for(i=0; i<nrOfSeekAds; i++) {
2777 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2778 if(d < dist) { dist = d; closest = i; }
2779 second += (d - zList[i] < 120); // count in-range ads
2780 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2784 second = (second > 1);
2785 if(displayed != closest || second != lastSecond) {
2786 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2787 lastSecond = second; displayed = closest;
2789 if(click == Press) {
2790 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2793 } // on press 'hit', only show info
2794 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2795 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2796 SendToICS(ics_prefix);
2798 return TRUE; // let incoming board of started game pop down the graph
2799 } else if(click == Release) { // release 'miss' is ignored
2800 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2801 if(moving == 2) { // right up-click
2802 nrOfSeekAds = 0; // refresh graph
2803 soughtPending = TRUE;
2804 SendToICS(ics_prefix);
2805 SendToICS("sought\n"); // should this be "sought all"?
2808 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2809 // press miss or release hit 'pop down' seek graph
2810 seekGraphUp = FALSE;
2811 DrawPosition(TRUE, NULL);
2817 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2819 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2820 #define STARTED_NONE 0
2821 #define STARTED_MOVES 1
2822 #define STARTED_BOARD 2
2823 #define STARTED_OBSERVE 3
2824 #define STARTED_HOLDINGS 4
2825 #define STARTED_CHATTER 5
2826 #define STARTED_COMMENT 6
2827 #define STARTED_MOVES_NOHIDE 7
2829 static int started = STARTED_NONE;
2830 static char parse[20000];
2831 static int parse_pos = 0;
2832 static char buf[BUF_SIZE + 1];
2833 static int firstTime = TRUE, intfSet = FALSE;
2834 static ColorClass prevColor = ColorNormal;
2835 static int savingComment = FALSE;
2836 static int cmatch = 0; // continuation sequence match
2843 int backup; /* [DM] For zippy color lines */
2845 char talker[MSG_SIZ]; // [HGM] chat
2846 int channel, collective=0;
2848 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2850 if (appData.debugMode) {
2852 fprintf(debugFP, "<ICS: ");
2853 show_bytes(debugFP, data, count);
2854 fprintf(debugFP, "\n");
2858 if (appData.debugMode) { int f = forwardMostMove;
2859 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2860 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2861 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2864 /* If last read ended with a partial line that we couldn't parse,
2865 prepend it to the new read and try again. */
2866 if (leftover_len > 0) {
2867 for (i=0; i<leftover_len; i++)
2868 buf[i] = buf[leftover_start + i];
2871 /* copy new characters into the buffer */
2872 bp = buf + leftover_len;
2873 buf_len=leftover_len;
2874 for (i=0; i<count; i++)
2877 if (data[i] == '\r')
2880 // join lines split by ICS?
2881 if (!appData.noJoin)
2884 Joining just consists of finding matches against the
2885 continuation sequence, and discarding that sequence
2886 if found instead of copying it. So, until a match
2887 fails, there's nothing to do since it might be the
2888 complete sequence, and thus, something we don't want
2891 if (data[i] == cont_seq[cmatch])
2894 if (cmatch == strlen(cont_seq))
2896 cmatch = 0; // complete match. just reset the counter
2899 it's possible for the ICS to not include the space
2900 at the end of the last word, making our [correct]
2901 join operation fuse two separate words. the server
2902 does this when the space occurs at the width setting.
2904 if (!buf_len || buf[buf_len-1] != ' ')
2915 match failed, so we have to copy what matched before
2916 falling through and copying this character. In reality,
2917 this will only ever be just the newline character, but
2918 it doesn't hurt to be precise.
2920 strncpy(bp, cont_seq, cmatch);
2932 buf[buf_len] = NULLCHAR;
2933 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2938 while (i < buf_len) {
2939 /* Deal with part of the TELNET option negotiation
2940 protocol. We refuse to do anything beyond the
2941 defaults, except that we allow the WILL ECHO option,
2942 which ICS uses to turn off password echoing when we are
2943 directly connected to it. We reject this option
2944 if localLineEditing mode is on (always on in xboard)
2945 and we are talking to port 23, which might be a real
2946 telnet server that will try to keep WILL ECHO on permanently.
2948 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2949 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2950 unsigned char option;
2952 switch ((unsigned char) buf[++i]) {
2954 if (appData.debugMode)
2955 fprintf(debugFP, "\n<WILL ");
2956 switch (option = (unsigned char) buf[++i]) {
2958 if (appData.debugMode)
2959 fprintf(debugFP, "ECHO ");
2960 /* Reply only if this is a change, according
2961 to the protocol rules. */
2962 if (remoteEchoOption) break;
2963 if (appData.localLineEditing &&
2964 atoi(appData.icsPort) == TN_PORT) {
2965 TelnetRequest(TN_DONT, TN_ECHO);
2968 TelnetRequest(TN_DO, TN_ECHO);
2969 remoteEchoOption = TRUE;
2973 if (appData.debugMode)
2974 fprintf(debugFP, "%d ", option);
2975 /* Whatever this is, we don't want it. */
2976 TelnetRequest(TN_DONT, option);
2981 if (appData.debugMode)
2982 fprintf(debugFP, "\n<WONT ");
2983 switch (option = (unsigned char) buf[++i]) {
2985 if (appData.debugMode)
2986 fprintf(debugFP, "ECHO ");
2987 /* Reply only if this is a change, according
2988 to the protocol rules. */
2989 if (!remoteEchoOption) break;
2991 TelnetRequest(TN_DONT, TN_ECHO);
2992 remoteEchoOption = FALSE;
2995 if (appData.debugMode)
2996 fprintf(debugFP, "%d ", (unsigned char) option);
2997 /* Whatever this is, it must already be turned
2998 off, because we never agree to turn on
2999 anything non-default, so according to the
3000 protocol rules, we don't reply. */
3005 if (appData.debugMode)
3006 fprintf(debugFP, "\n<DO ");
3007 switch (option = (unsigned char) buf[++i]) {
3009 /* Whatever this is, we refuse to do it. */
3010 if (appData.debugMode)
3011 fprintf(debugFP, "%d ", option);
3012 TelnetRequest(TN_WONT, option);
3017 if (appData.debugMode)
3018 fprintf(debugFP, "\n<DONT ");
3019 switch (option = (unsigned char) buf[++i]) {
3021 if (appData.debugMode)
3022 fprintf(debugFP, "%d ", option);
3023 /* Whatever this is, we are already not doing
3024 it, because we never agree to do anything
3025 non-default, so according to the protocol
3026 rules, we don't reply. */
3031 if (appData.debugMode)
3032 fprintf(debugFP, "\n<IAC ");
3033 /* Doubled IAC; pass it through */
3037 if (appData.debugMode)
3038 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3039 /* Drop all other telnet commands on the floor */
3042 if (oldi > next_out)
3043 SendToPlayer(&buf[next_out], oldi - next_out);
3049 /* OK, this at least will *usually* work */
3050 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3054 if (loggedOn && !intfSet) {
3055 if (ics_type == ICS_ICC) {
3056 snprintf(str, MSG_SIZ,
3057 "/set-quietly interface %s\n/set-quietly style 12\n",
3059 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3060 strcat(str, "/set-2 51 1\n/set seek 1\n");
3061 } else if (ics_type == ICS_CHESSNET) {
3062 snprintf(str, MSG_SIZ, "/style 12\n");
3064 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3065 strcat(str, programVersion);
3066 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3067 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3068 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3070 strcat(str, "$iset nohighlight 1\n");
3072 strcat(str, "$iset lock 1\n$style 12\n");
3075 NotifyFrontendLogin();
3079 if (started == STARTED_COMMENT) {
3080 /* Accumulate characters in comment */
3081 parse[parse_pos++] = buf[i];
3082 if (buf[i] == '\n') {
3083 parse[parse_pos] = NULLCHAR;
3084 if(chattingPartner>=0) {
3086 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3087 OutputChatMessage(chattingPartner, mess);
3088 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3090 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3091 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3092 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3093 OutputChatMessage(p, mess);
3097 chattingPartner = -1;
3098 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3101 if(!suppressKibitz) // [HGM] kibitz
3102 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3103 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3104 int nrDigit = 0, nrAlph = 0, j;
3105 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3106 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3107 parse[parse_pos] = NULLCHAR;
3108 // try to be smart: if it does not look like search info, it should go to
3109 // ICS interaction window after all, not to engine-output window.
3110 for(j=0; j<parse_pos; j++) { // count letters and digits
3111 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3112 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3113 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3115 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3116 int depth=0; float score;
3117 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3118 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3119 pvInfoList[forwardMostMove-1].depth = depth;
3120 pvInfoList[forwardMostMove-1].score = 100*score;
3122 OutputKibitz(suppressKibitz, parse);
3125 if(gameMode == IcsObserving) // restore original ICS messages
3126 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3127 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3129 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3130 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3131 SendToPlayer(tmp, strlen(tmp));
3133 next_out = i+1; // [HGM] suppress printing in ICS window
3135 started = STARTED_NONE;
3137 /* Don't match patterns against characters in comment */
3142 if (started == STARTED_CHATTER) {
3143 if (buf[i] != '\n') {
3144 /* Don't match patterns against characters in chatter */
3148 started = STARTED_NONE;
3149 if(suppressKibitz) next_out = i+1;
3152 /* Kludge to deal with rcmd protocol */
3153 if (firstTime && looking_at(buf, &i, "\001*")) {
3154 DisplayFatalError(&buf[1], 0, 1);
3160 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3163 if (appData.debugMode)
3164 fprintf(debugFP, "ics_type %d\n", ics_type);
3167 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3168 ics_type = ICS_FICS;
3170 if (appData.debugMode)
3171 fprintf(debugFP, "ics_type %d\n", ics_type);
3174 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3175 ics_type = ICS_CHESSNET;
3177 if (appData.debugMode)
3178 fprintf(debugFP, "ics_type %d\n", ics_type);
3183 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3184 looking_at(buf, &i, "Logging you in as \"*\"") ||
3185 looking_at(buf, &i, "will be \"*\""))) {
3186 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3190 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3192 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3193 DisplayIcsInteractionTitle(buf);
3194 have_set_title = TRUE;
3197 /* skip finger notes */
3198 if (started == STARTED_NONE &&
3199 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3200 (buf[i] == '1' && buf[i+1] == '0')) &&
3201 buf[i+2] == ':' && buf[i+3] == ' ') {
3202 started = STARTED_CHATTER;
3208 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3209 if(appData.seekGraph) {
3210 if(soughtPending && MatchSoughtLine(buf+i)) {
3211 i = strstr(buf+i, "rated") - buf;
3212 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3213 next_out = leftover_start = i;
3214 started = STARTED_CHATTER;
3215 suppressKibitz = TRUE;
3218 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3219 && looking_at(buf, &i, "* ads displayed")) {
3220 soughtPending = FALSE;
3225 if(appData.autoRefresh) {
3226 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3227 int s = (ics_type == ICS_ICC); // ICC format differs
3229 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3230 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3231 looking_at(buf, &i, "*% "); // eat prompt
3232 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3233 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3234 next_out = i; // suppress
3237 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3238 char *p = star_match[0];
3240 if(seekGraphUp) RemoveSeekAd(atoi(p));
3241 while(*p && *p++ != ' '); // next
3243 looking_at(buf, &i, "*% "); // eat prompt
3244 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3251 /* skip formula vars */
3252 if (started == STARTED_NONE &&
3253 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3254 started = STARTED_CHATTER;
3259 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3260 if (appData.autoKibitz && started == STARTED_NONE &&
3261 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3262 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3263 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3264 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3265 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3266 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3267 suppressKibitz = TRUE;
3268 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3270 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3271 && (gameMode == IcsPlayingWhite)) ||
3272 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3273 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3274 started = STARTED_CHATTER; // own kibitz we simply discard
3276 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3277 parse_pos = 0; parse[0] = NULLCHAR;
3278 savingComment = TRUE;
3279 suppressKibitz = gameMode != IcsObserving ? 2 :
3280 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3284 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3285 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3286 && atoi(star_match[0])) {
3287 // suppress the acknowledgements of our own autoKibitz
3289 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3290 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3291 SendToPlayer(star_match[0], strlen(star_match[0]));
3292 if(looking_at(buf, &i, "*% ")) // eat prompt
3293 suppressKibitz = FALSE;
3297 } // [HGM] kibitz: end of patch
3299 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3301 // [HGM] chat: intercept tells by users for which we have an open chat window
3303 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3304 looking_at(buf, &i, "* whispers:") ||
3305 looking_at(buf, &i, "* kibitzes:") ||
3306 looking_at(buf, &i, "* shouts:") ||
3307 looking_at(buf, &i, "* c-shouts:") ||
3308 looking_at(buf, &i, "--> * ") ||
3309 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3310 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3311 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3312 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3314 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3315 chattingPartner = -1; collective = 0;
3317 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3318 for(p=0; p<MAX_CHAT; p++) {
3320 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3321 talker[0] = '['; strcat(talker, "] ");
3322 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3323 chattingPartner = p; break;
3326 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3327 for(p=0; p<MAX_CHAT; p++) {
3329 if(!strcmp("kibitzes", chatPartner[p])) {
3330 talker[0] = '['; strcat(talker, "] ");
3331 chattingPartner = p; break;
3334 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3335 for(p=0; p<MAX_CHAT; p++) {
3337 if(!strcmp("whispers", chatPartner[p])) {
3338 talker[0] = '['; strcat(talker, "] ");
3339 chattingPartner = p; break;
3342 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3343 if(buf[i-8] == '-' && buf[i-3] == 't')
3344 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3346 if(!strcmp("c-shouts", chatPartner[p])) {
3347 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3348 chattingPartner = p; break;
3351 if(chattingPartner < 0)
3352 for(p=0; p<MAX_CHAT; p++) {
3354 if(!strcmp("shouts", chatPartner[p])) {
3355 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3356 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3357 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3358 chattingPartner = p; break;
3362 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3363 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3365 Colorize(ColorTell, FALSE);
3366 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3368 chattingPartner = p; break;
3370 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3371 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3372 started = STARTED_COMMENT;
3373 parse_pos = 0; parse[0] = NULLCHAR;
3374 savingComment = 3 + chattingPartner; // counts as TRUE
3375 if(collective == 3) i = oldi; else {
3376 suppressKibitz = TRUE;
3377 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3378 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3382 } // [HGM] chat: end of patch
3385 if (appData.zippyTalk || appData.zippyPlay) {
3386 /* [DM] Backup address for color zippy lines */
3388 if (loggedOn == TRUE)
3389 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3390 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3392 } // [DM] 'else { ' deleted
3394 /* Regular tells and says */
3395 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3396 looking_at(buf, &i, "* (your partner) tells you: ") ||
3397 looking_at(buf, &i, "* says: ") ||
3398 /* Don't color "message" or "messages" output */
3399 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3400 looking_at(buf, &i, "*. * at *:*: ") ||
3401 looking_at(buf, &i, "--* (*:*): ") ||
3402 /* Message notifications (same color as tells) */
3403 looking_at(buf, &i, "* has left a message ") ||
3404 looking_at(buf, &i, "* just sent you a message:\n") ||
3405 /* Whispers and kibitzes */
3406 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3407 looking_at(buf, &i, "* kibitzes: ") ||
3409 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3411 if (tkind == 1 && strchr(star_match[0], ':')) {
3412 /* Avoid "tells you:" spoofs in channels */
3415 if (star_match[0][0] == NULLCHAR ||
3416 strchr(star_match[0], ' ') ||
3417 (tkind == 3 && strchr(star_match[1], ' '))) {
3418 /* Reject bogus matches */
3421 if (appData.colorize) {
3422 if (oldi > next_out) {
3423 SendToPlayer(&buf[next_out], oldi - next_out);
3428 Colorize(ColorTell, FALSE);
3429 curColor = ColorTell;
3432 Colorize(ColorKibitz, FALSE);
3433 curColor = ColorKibitz;
3436 p = strrchr(star_match[1], '(');
3443 Colorize(ColorChannel1, FALSE);
3444 curColor = ColorChannel1;
3446 Colorize(ColorChannel, FALSE);
3447 curColor = ColorChannel;
3451 curColor = ColorNormal;
3455 if (started == STARTED_NONE && appData.autoComment &&
3456 (gameMode == IcsObserving ||
3457 gameMode == IcsPlayingWhite ||
3458 gameMode == IcsPlayingBlack)) {
3459 parse_pos = i - oldi;
3460 memcpy(parse, &buf[oldi], parse_pos);
3461 parse[parse_pos] = NULLCHAR;
3462 started = STARTED_COMMENT;
3463 savingComment = TRUE;
3464 } else if(collective != 3) {
3465 started = STARTED_CHATTER;
3466 savingComment = FALSE;
3473 if (looking_at(buf, &i, "* s-shouts: ") ||
3474 looking_at(buf, &i, "* c-shouts: ")) {
3475 if (appData.colorize) {
3476 if (oldi > next_out) {
3477 SendToPlayer(&buf[next_out], oldi - next_out);
3480 Colorize(ColorSShout, FALSE);
3481 curColor = ColorSShout;
3484 started = STARTED_CHATTER;
3488 if (looking_at(buf, &i, "--->")) {
3493 if (looking_at(buf, &i, "* shouts: ") ||
3494 looking_at(buf, &i, "--> ")) {
3495 if (appData.colorize) {
3496 if (oldi > next_out) {
3497 SendToPlayer(&buf[next_out], oldi - next_out);
3500 Colorize(ColorShout, FALSE);
3501 curColor = ColorShout;
3504 started = STARTED_CHATTER;
3508 if (looking_at( buf, &i, "Challenge:")) {
3509 if (appData.colorize) {
3510 if (oldi > next_out) {
3511 SendToPlayer(&buf[next_out], oldi - next_out);
3514 Colorize(ColorChallenge, FALSE);
3515 curColor = ColorChallenge;
3521 if (looking_at(buf, &i, "* offers you") ||
3522 looking_at(buf, &i, "* offers to be") ||
3523 looking_at(buf, &i, "* would like to") ||
3524 looking_at(buf, &i, "* requests to") ||
3525 looking_at(buf, &i, "Your opponent offers") ||
3526 looking_at(buf, &i, "Your opponent requests")) {
3528 if (appData.colorize) {
3529 if (oldi > next_out) {
3530 SendToPlayer(&buf[next_out], oldi - next_out);
3533 Colorize(ColorRequest, FALSE);
3534 curColor = ColorRequest;
3539 if (looking_at(buf, &i, "* (*) seeking")) {
3540 if (appData.colorize) {
3541 if (oldi > next_out) {
3542 SendToPlayer(&buf[next_out], oldi - next_out);
3545 Colorize(ColorSeek, FALSE);
3546 curColor = ColorSeek;
3551 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3553 if (looking_at(buf, &i, "\\ ")) {
3554 if (prevColor != ColorNormal) {
3555 if (oldi > next_out) {
3556 SendToPlayer(&buf[next_out], oldi - next_out);
3559 Colorize(prevColor, TRUE);
3560 curColor = prevColor;
3562 if (savingComment) {
3563 parse_pos = i - oldi;
3564 memcpy(parse, &buf[oldi], parse_pos);
3565 parse[parse_pos] = NULLCHAR;
3566 started = STARTED_COMMENT;
3567 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3568 chattingPartner = savingComment - 3; // kludge to remember the box
3570 started = STARTED_CHATTER;
3575 if (looking_at(buf, &i, "Black Strength :") ||
3576 looking_at(buf, &i, "<<< style 10 board >>>") ||
3577 looking_at(buf, &i, "<10>") ||
3578 looking_at(buf, &i, "#@#")) {
3579 /* Wrong board style */
3581 SendToICS(ics_prefix);
3582 SendToICS("set style 12\n");
3583 SendToICS(ics_prefix);
3584 SendToICS("refresh\n");
3588 if (looking_at(buf, &i, "login:")) {
3589 if (!have_sent_ICS_logon) {
3591 have_sent_ICS_logon = 1;
3592 else // no init script was found
3593 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3594 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3595 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3600 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3601 (looking_at(buf, &i, "\n<12> ") ||
3602 looking_at(buf, &i, "<12> "))) {
3604 if (oldi > next_out) {
3605 SendToPlayer(&buf[next_out], oldi - next_out);
3608 started = STARTED_BOARD;
3613 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3614 looking_at(buf, &i, "<b1> ")) {
3615 if (oldi > next_out) {
3616 SendToPlayer(&buf[next_out], oldi - next_out);
3619 started = STARTED_HOLDINGS;
3624 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3626 /* Header for a move list -- first line */
3628 switch (ics_getting_history) {
3632 case BeginningOfGame:
3633 /* User typed "moves" or "oldmoves" while we
3634 were idle. Pretend we asked for these
3635 moves and soak them up so user can step
3636 through them and/or save them.
3639 gameMode = IcsObserving;
3642 ics_getting_history = H_GOT_UNREQ_HEADER;
3644 case EditGame: /*?*/
3645 case EditPosition: /*?*/
3646 /* Should above feature work in these modes too? */
3647 /* For now it doesn't */
3648 ics_getting_history = H_GOT_UNWANTED_HEADER;
3651 ics_getting_history = H_GOT_UNWANTED_HEADER;
3656 /* Is this the right one? */
3657 if (gameInfo.white && gameInfo.black &&
3658 strcmp(gameInfo.white, star_match[0]) == 0 &&
3659 strcmp(gameInfo.black, star_match[2]) == 0) {
3661 ics_getting_history = H_GOT_REQ_HEADER;
3664 case H_GOT_REQ_HEADER:
3665 case H_GOT_UNREQ_HEADER:
3666 case H_GOT_UNWANTED_HEADER:
3667 case H_GETTING_MOVES:
3668 /* Should not happen */
3669 DisplayError(_("Error gathering move list: two headers"), 0);
3670 ics_getting_history = H_FALSE;
3674 /* Save player ratings into gameInfo if needed */
3675 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3676 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3677 (gameInfo.whiteRating == -1 ||
3678 gameInfo.blackRating == -1)) {
3680 gameInfo.whiteRating = string_to_rating(star_match[1]);
3681 gameInfo.blackRating = string_to_rating(star_match[3]);
3682 if (appData.debugMode)
3683 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3684 gameInfo.whiteRating, gameInfo.blackRating);
3689 if (looking_at(buf, &i,
3690 "* * match, initial time: * minute*, increment: * second")) {
3691 /* Header for a move list -- second line */
3692 /* Initial board will follow if this is a wild game */
3693 if (gameInfo.event != NULL) free(gameInfo.event);
3694 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3695 gameInfo.event = StrSave(str);
3696 /* [HGM] we switched variant. Translate boards if needed. */
3697 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3701 if (looking_at(buf, &i, "Move ")) {
3702 /* Beginning of a move list */
3703 switch (ics_getting_history) {
3705 /* Normally should not happen */
3706 /* Maybe user hit reset while we were parsing */
3709 /* Happens if we are ignoring a move list that is not
3710 * the one we just requested. Common if the user
3711 * tries to observe two games without turning off
3714 case H_GETTING_MOVES:
3715 /* Should not happen */
3716 DisplayError(_("Error gathering move list: nested"), 0);
3717 ics_getting_history = H_FALSE;
3719 case H_GOT_REQ_HEADER:
3720 ics_getting_history = H_GETTING_MOVES;
3721 started = STARTED_MOVES;
3723 if (oldi > next_out) {
3724 SendToPlayer(&buf[next_out], oldi - next_out);
3727 case H_GOT_UNREQ_HEADER:
3728 ics_getting_history = H_GETTING_MOVES;
3729 started = STARTED_MOVES_NOHIDE;
3732 case H_GOT_UNWANTED_HEADER:
3733 ics_getting_history = H_FALSE;
3739 if (looking_at(buf, &i, "% ") ||
3740 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3741 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3742 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3743 soughtPending = FALSE;
3747 if(suppressKibitz) next_out = i;
3748 savingComment = FALSE;
3752 case STARTED_MOVES_NOHIDE:
3753 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3754 parse[parse_pos + i - oldi] = NULLCHAR;
3755 ParseGameHistory(parse);
3757 if (appData.zippyPlay && first.initDone) {
3758 FeedMovesToProgram(&first, forwardMostMove);
3759 if (gameMode == IcsPlayingWhite) {
3760 if (WhiteOnMove(forwardMostMove)) {
3761 if (first.sendTime) {
3762 if (first.useColors) {
3763 SendToProgram("black\n", &first);
3765 SendTimeRemaining(&first, TRUE);
3767 if (first.useColors) {
3768 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3770 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3771 first.maybeThinking = TRUE;
3773 if (first.usePlayother) {
3774 if (first.sendTime) {
3775 SendTimeRemaining(&first, TRUE);
3777 SendToProgram("playother\n", &first);
3783 } else if (gameMode == IcsPlayingBlack) {
3784 if (!WhiteOnMove(forwardMostMove)) {
3785 if (first.sendTime) {
3786 if (first.useColors) {
3787 SendToProgram("white\n", &first);
3789 SendTimeRemaining(&first, FALSE);
3791 if (first.useColors) {
3792 SendToProgram("black\n", &first);
3794 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3795 first.maybeThinking = TRUE;
3797 if (first.usePlayother) {
3798 if (first.sendTime) {
3799 SendTimeRemaining(&first, FALSE);
3801 SendToProgram("playother\n", &first);
3810 if (gameMode == IcsObserving && ics_gamenum == -1) {
3811 /* Moves came from oldmoves or moves command
3812 while we weren't doing anything else.
3814 currentMove = forwardMostMove;
3815 ClearHighlights();/*!!could figure this out*/
3816 flipView = appData.flipView;
3817 DrawPosition(TRUE, boards[currentMove]);
3818 DisplayBothClocks();
3819 snprintf(str, MSG_SIZ, "%s %s %s",
3820 gameInfo.white, _("vs."), gameInfo.black);
3824 /* Moves were history of an active game */
3825 if (gameInfo.resultDetails != NULL) {
3826 free(gameInfo.resultDetails);
3827 gameInfo.resultDetails = NULL;
3830 HistorySet(parseList, backwardMostMove,
3831 forwardMostMove, currentMove-1);
3832 DisplayMove(currentMove - 1);
3833 if (started == STARTED_MOVES) next_out = i;
3834 started = STARTED_NONE;
3835 ics_getting_history = H_FALSE;
3838 case STARTED_OBSERVE:
3839 started = STARTED_NONE;
3840 SendToICS(ics_prefix);
3841 SendToICS("refresh\n");
3847 if(bookHit) { // [HGM] book: simulate book reply
3848 static char bookMove[MSG_SIZ]; // a bit generous?
3850 programStats.nodes = programStats.depth = programStats.time =
3851 programStats.score = programStats.got_only_move = 0;
3852 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3854 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3855 strcat(bookMove, bookHit);
3856 HandleMachineMove(bookMove, &first);
3861 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3862 started == STARTED_HOLDINGS ||
3863 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3864 /* Accumulate characters in move list or board */
3865 parse[parse_pos++] = buf[i];
3868 /* Start of game messages. Mostly we detect start of game
3869 when the first board image arrives. On some versions
3870 of the ICS, though, we need to do a "refresh" after starting
3871 to observe in order to get the current board right away. */
3872 if (looking_at(buf, &i, "Adding game * to observation list")) {
3873 started = STARTED_OBSERVE;
3877 /* Handle auto-observe */
3878 if (appData.autoObserve &&
3879 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3880 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3882 /* Choose the player that was highlighted, if any. */
3883 if (star_match[0][0] == '\033' ||
3884 star_match[1][0] != '\033') {
3885 player = star_match[0];
3887 player = star_match[2];
3889 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3890 ics_prefix, StripHighlightAndTitle(player));
3893 /* Save ratings from notify string */
3894 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3895 player1Rating = string_to_rating(star_match[1]);
3896 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3897 player2Rating = string_to_rating(star_match[3]);
3899 if (appData.debugMode)
3901 "Ratings from 'Game notification:' %s %d, %s %d\n",
3902 player1Name, player1Rating,
3903 player2Name, player2Rating);
3908 /* Deal with automatic examine mode after a game,
3909 and with IcsObserving -> IcsExamining transition */
3910 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3911 looking_at(buf, &i, "has made you an examiner of game *")) {
3913 int gamenum = atoi(star_match[0]);
3914 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3915 gamenum == ics_gamenum) {
3916 /* We were already playing or observing this game;
3917 no need to refetch history */
3918 gameMode = IcsExamining;
3920 pauseExamForwardMostMove = forwardMostMove;
3921 } else if (currentMove < forwardMostMove) {
3922 ForwardInner(forwardMostMove);
3925 /* I don't think this case really can happen */
3926 SendToICS(ics_prefix);
3927 SendToICS("refresh\n");
3932 /* Error messages */
3933 // if (ics_user_moved) {
3934 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3935 if (looking_at(buf, &i, "Illegal move") ||
3936 looking_at(buf, &i, "Not a legal move") ||
3937 looking_at(buf, &i, "Your king is in check") ||
3938 looking_at(buf, &i, "It isn't your turn") ||
3939 looking_at(buf, &i, "It is not your move")) {
3941 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3942 currentMove = forwardMostMove-1;
3943 DisplayMove(currentMove - 1); /* before DMError */
3944 DrawPosition(FALSE, boards[currentMove]);
3945 SwitchClocks(forwardMostMove-1); // [HGM] race
3946 DisplayBothClocks();
3948 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3954 if (looking_at(buf, &i, "still have time") ||
3955 looking_at(buf, &i, "not out of time") ||
3956 looking_at(buf, &i, "either player is out of time") ||
3957 looking_at(buf, &i, "has timeseal; checking")) {
3958 /* We must have called his flag a little too soon */
3959 whiteFlag = blackFlag = FALSE;
3963 if (looking_at(buf, &i, "added * seconds to") ||
3964 looking_at(buf, &i, "seconds were added to")) {
3965 /* Update the clocks */
3966 SendToICS(ics_prefix);
3967 SendToICS("refresh\n");
3971 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3972 ics_clock_paused = TRUE;
3977 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3978 ics_clock_paused = FALSE;
3983 /* Grab player ratings from the Creating: message.
3984 Note we have to check for the special case when
3985 the ICS inserts things like [white] or [black]. */
3986 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3987 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3989 0 player 1 name (not necessarily white)
3991 2 empty, white, or black (IGNORED)
3992 3 player 2 name (not necessarily black)
3995 The names/ratings are sorted out when the game
3996 actually starts (below).
3998 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3999 player1Rating = string_to_rating(star_match[1]);
4000 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4001 player2Rating = string_to_rating(star_match[4]);
4003 if (appData.debugMode)
4005 "Ratings from 'Creating:' %s %d, %s %d\n",
4006 player1Name, player1Rating,
4007 player2Name, player2Rating);
4012 /* Improved generic start/end-of-game messages */
4013 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4014 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4015 /* If tkind == 0: */
4016 /* star_match[0] is the game number */
4017 /* [1] is the white player's name */
4018 /* [2] is the black player's name */
4019 /* For end-of-game: */
4020 /* [3] is the reason for the game end */
4021 /* [4] is a PGN end game-token, preceded by " " */
4022 /* For start-of-game: */
4023 /* [3] begins with "Creating" or "Continuing" */
4024 /* [4] is " *" or empty (don't care). */
4025 int gamenum = atoi(star_match[0]);
4026 char *whitename, *blackname, *why, *endtoken;
4027 ChessMove endtype = EndOfFile;
4030 whitename = star_match[1];
4031 blackname = star_match[2];
4032 why = star_match[3];
4033 endtoken = star_match[4];
4035 whitename = star_match[1];
4036 blackname = star_match[3];
4037 why = star_match[5];
4038 endtoken = star_match[6];
4041 /* Game start messages */
4042 if (strncmp(why, "Creating ", 9) == 0 ||
4043 strncmp(why, "Continuing ", 11) == 0) {
4044 gs_gamenum = gamenum;
4045 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4046 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4047 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4049 if (appData.zippyPlay) {
4050 ZippyGameStart(whitename, blackname);
4053 partnerBoardValid = FALSE; // [HGM] bughouse
4057 /* Game end messages */
4058 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4059 ics_gamenum != gamenum) {
4062 while (endtoken[0] == ' ') endtoken++;
4063 switch (endtoken[0]) {
4066 endtype = GameUnfinished;
4069 endtype = BlackWins;
4072 if (endtoken[1] == '/')
4073 endtype = GameIsDrawn;
4075 endtype = WhiteWins;
4078 GameEnds(endtype, why, GE_ICS);
4080 if (appData.zippyPlay && first.initDone) {
4081 ZippyGameEnd(endtype, why);
4082 if (first.pr == NoProc) {
4083 /* Start the next process early so that we'll
4084 be ready for the next challenge */
4085 StartChessProgram(&first);
4087 /* Send "new" early, in case this command takes
4088 a long time to finish, so that we'll be ready
4089 for the next challenge. */
4090 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4094 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4098 if (looking_at(buf, &i, "Removing game * from observation") ||
4099 looking_at(buf, &i, "no longer observing game *") ||
4100 looking_at(buf, &i, "Game * (*) has no examiners")) {
4101 if (gameMode == IcsObserving &&
4102 atoi(star_match[0]) == ics_gamenum)
4104 /* icsEngineAnalyze */
4105 if (appData.icsEngineAnalyze) {
4112 ics_user_moved = FALSE;
4117 if (looking_at(buf, &i, "no longer examining game *")) {
4118 if (gameMode == IcsExamining &&
4119 atoi(star_match[0]) == ics_gamenum)
4123 ics_user_moved = FALSE;
4128 /* Advance leftover_start past any newlines we find,
4129 so only partial lines can get reparsed */
4130 if (looking_at(buf, &i, "\n")) {
4131 prevColor = curColor;
4132 if (curColor != ColorNormal) {
4133 if (oldi > next_out) {
4134 SendToPlayer(&buf[next_out], oldi - next_out);
4137 Colorize(ColorNormal, FALSE);
4138 curColor = ColorNormal;
4140 if (started == STARTED_BOARD) {
4141 started = STARTED_NONE;
4142 parse[parse_pos] = NULLCHAR;
4143 ParseBoard12(parse);
4146 /* Send premove here */
4147 if (appData.premove) {
4149 if (currentMove == 0 &&
4150 gameMode == IcsPlayingWhite &&
4151 appData.premoveWhite) {
4152 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4153 if (appData.debugMode)
4154 fprintf(debugFP, "Sending premove:\n");
4156 } else if (currentMove == 1 &&
4157 gameMode == IcsPlayingBlack &&
4158 appData.premoveBlack) {
4159 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4160 if (appData.debugMode)
4161 fprintf(debugFP, "Sending premove:\n");
4163 } else if (gotPremove) {
4165 ClearPremoveHighlights();
4166 if (appData.debugMode)
4167 fprintf(debugFP, "Sending premove:\n");
4168 UserMoveEvent(premoveFromX, premoveFromY,
4169 premoveToX, premoveToY,
4174 /* Usually suppress following prompt */
4175 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4176 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4177 if (looking_at(buf, &i, "*% ")) {
4178 savingComment = FALSE;
4183 } else if (started == STARTED_HOLDINGS) {
4185 char new_piece[MSG_SIZ];
4186 started = STARTED_NONE;
4187 parse[parse_pos] = NULLCHAR;
4188 if (appData.debugMode)
4189 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4190 parse, currentMove);
4191 if (sscanf(parse, " game %d", &gamenum) == 1) {
4192 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4193 if (gameInfo.variant == VariantNormal) {
4194 /* [HGM] We seem to switch variant during a game!
4195 * Presumably no holdings were displayed, so we have
4196 * to move the position two files to the right to
4197 * create room for them!
4199 VariantClass newVariant;
4200 switch(gameInfo.boardWidth) { // base guess on board width
4201 case 9: newVariant = VariantShogi; break;
4202 case 10: newVariant = VariantGreat; break;
4203 default: newVariant = VariantCrazyhouse; break;
4205 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4206 /* Get a move list just to see the header, which
4207 will tell us whether this is really bug or zh */
4208 if (ics_getting_history == H_FALSE) {
4209 ics_getting_history = H_REQUESTED;
4210 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4214 new_piece[0] = NULLCHAR;
4215 sscanf(parse, "game %d white [%s black [%s <- %s",
4216 &gamenum, white_holding, black_holding,
4218 white_holding[strlen(white_holding)-1] = NULLCHAR;
4219 black_holding[strlen(black_holding)-1] = NULLCHAR;
4220 /* [HGM] copy holdings to board holdings area */
4221 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4222 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4223 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4225 if (appData.zippyPlay && first.initDone) {
4226 ZippyHoldings(white_holding, black_holding,
4230 if (tinyLayout || smallLayout) {
4231 char wh[16], bh[16];
4232 PackHolding(wh, white_holding);
4233 PackHolding(bh, black_holding);
4234 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4235 gameInfo.white, gameInfo.black);
4237 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4238 gameInfo.white, white_holding, _("vs."),
4239 gameInfo.black, black_holding);
4241 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4242 DrawPosition(FALSE, boards[currentMove]);
4244 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4245 sscanf(parse, "game %d white [%s black [%s <- %s",
4246 &gamenum, white_holding, black_holding,
4248 white_holding[strlen(white_holding)-1] = NULLCHAR;
4249 black_holding[strlen(black_holding)-1] = NULLCHAR;
4250 /* [HGM] copy holdings to partner-board holdings area */
4251 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4252 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4253 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4254 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4255 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4258 /* Suppress following prompt */
4259 if (looking_at(buf, &i, "*% ")) {
4260 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4261 savingComment = FALSE;
4269 i++; /* skip unparsed character and loop back */
4272 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4273 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4274 // SendToPlayer(&buf[next_out], i - next_out);
4275 started != STARTED_HOLDINGS && leftover_start > next_out) {
4276 SendToPlayer(&buf[next_out], leftover_start - next_out);
4280 leftover_len = buf_len - leftover_start;
4281 /* if buffer ends with something we couldn't parse,
4282 reparse it after appending the next read */
4284 } else if (count == 0) {
4285 RemoveInputSource(isr);
4286 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4288 DisplayFatalError(_("Error reading from ICS"), error, 1);
4293 /* Board style 12 looks like this:
4295 <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
4297 * The "<12> " is stripped before it gets to this routine. The two
4298 * trailing 0's (flip state and clock ticking) are later addition, and
4299 * some chess servers may not have them, or may have only the first.
4300 * Additional trailing fields may be added in the future.
4303 #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"
4305 #define RELATION_OBSERVING_PLAYED 0
4306 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4307 #define RELATION_PLAYING_MYMOVE 1
4308 #define RELATION_PLAYING_NOTMYMOVE -1
4309 #define RELATION_EXAMINING 2
4310 #define RELATION_ISOLATED_BOARD -3
4311 #define RELATION_STARTING_POSITION -4 /* FICS only */
4314 ParseBoard12 (char *string)
4318 char *bookHit = NULL; // [HGM] book
4320 GameMode newGameMode;
4321 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4322 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4323 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4324 char to_play, board_chars[200];
4325 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4326 char black[32], white[32];
4328 int prevMove = currentMove;
4331 int fromX, fromY, toX, toY;
4333 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4334 Boolean weird = FALSE, reqFlag = FALSE;
4336 fromX = fromY = toX = toY = -1;
4340 if (appData.debugMode)
4341 fprintf(debugFP, "Parsing board: %s\n", string);
4343 move_str[0] = NULLCHAR;
4344 elapsed_time[0] = NULLCHAR;
4345 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4347 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4348 if(string[i] == ' ') { ranks++; files = 0; }
4350 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4353 for(j = 0; j <i; j++) board_chars[j] = string[j];
4354 board_chars[i] = '\0';
4357 n = sscanf(string, PATTERN, &to_play, &double_push,
4358 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4359 &gamenum, white, black, &relation, &basetime, &increment,
4360 &white_stren, &black_stren, &white_time, &black_time,
4361 &moveNum, str, elapsed_time, move_str, &ics_flip,
4365 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4366 DisplayError(str, 0);
4370 /* Convert the move number to internal form */
4371 moveNum = (moveNum - 1) * 2;
4372 if (to_play == 'B') moveNum++;
4373 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4374 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4380 case RELATION_OBSERVING_PLAYED:
4381 case RELATION_OBSERVING_STATIC:
4382 if (gamenum == -1) {
4383 /* Old ICC buglet */
4384 relation = RELATION_OBSERVING_STATIC;
4386 newGameMode = IcsObserving;
4388 case RELATION_PLAYING_MYMOVE:
4389 case RELATION_PLAYING_NOTMYMOVE:
4391 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4392 IcsPlayingWhite : IcsPlayingBlack;
4393 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4395 case RELATION_EXAMINING:
4396 newGameMode = IcsExamining;
4398 case RELATION_ISOLATED_BOARD:
4400 /* Just display this board. If user was doing something else,
4401 we will forget about it until the next board comes. */
4402 newGameMode = IcsIdle;
4404 case RELATION_STARTING_POSITION:
4405 newGameMode = gameMode;
4409 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4410 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4411 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4412 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4413 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4414 static int lastBgGame = -1;
4416 for (k = 0; k < ranks; k++) {
4417 for (j = 0; j < files; j++)
4418 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4419 if(gameInfo.holdingsWidth > 1) {
4420 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4421 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4424 CopyBoard(partnerBoard, board);
4425 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4426 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4427 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4428 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4429 if(toSqr = strchr(str, '-')) {
4430 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4431 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4432 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4433 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4434 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4435 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4437 DisplayWhiteClock(white_time*fac, to_play == 'W');
4438 DisplayBlackClock(black_time*fac, to_play != 'W');
4439 activePartner = to_play;
4440 if(gamenum != lastBgGame) {
4442 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4445 lastBgGame = gamenum;
4446 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4447 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4448 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4449 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4450 if(!twoBoards) DisplayMessage(partnerStatus, "");
4451 partnerBoardValid = TRUE;
4455 if(appData.dualBoard && appData.bgObserve) {
4456 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4457 SendToICS(ics_prefix), SendToICS("pobserve\n");
4458 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4460 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4465 /* Modify behavior for initial board display on move listing
4468 switch (ics_getting_history) {
4472 case H_GOT_REQ_HEADER:
4473 case H_GOT_UNREQ_HEADER:
4474 /* This is the initial position of the current game */
4475 gamenum = ics_gamenum;
4476 moveNum = 0; /* old ICS bug workaround */
4477 if (to_play == 'B') {
4478 startedFromSetupPosition = TRUE;
4479 blackPlaysFirst = TRUE;
4481 if (forwardMostMove == 0) forwardMostMove = 1;
4482 if (backwardMostMove == 0) backwardMostMove = 1;
4483 if (currentMove == 0) currentMove = 1;
4485 newGameMode = gameMode;
4486 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4488 case H_GOT_UNWANTED_HEADER:
4489 /* This is an initial board that we don't want */
4491 case H_GETTING_MOVES:
4492 /* Should not happen */
4493 DisplayError(_("Error gathering move list: extra board"), 0);
4494 ics_getting_history = H_FALSE;
4498 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4499 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4500 weird && (int)gameInfo.variant < (int)VariantShogi) {
4501 /* [HGM] We seem to have switched variant unexpectedly
4502 * Try to guess new variant from board size
4504 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4505 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4506 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4507 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4508 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4509 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4510 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4511 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4512 /* Get a move list just to see the header, which
4513 will tell us whether this is really bug or zh */
4514 if (ics_getting_history == H_FALSE) {
4515 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4516 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4521 /* Take action if this is the first board of a new game, or of a
4522 different game than is currently being displayed. */
4523 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4524 relation == RELATION_ISOLATED_BOARD) {
4526 /* Forget the old game and get the history (if any) of the new one */
4527 if (gameMode != BeginningOfGame) {
4531 if (appData.autoRaiseBoard) BoardToTop();
4533 if (gamenum == -1) {
4534 newGameMode = IcsIdle;
4535 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4536 appData.getMoveList && !reqFlag) {
4537 /* Need to get game history */
4538 ics_getting_history = H_REQUESTED;
4539 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4543 /* Initially flip the board to have black on the bottom if playing
4544 black or if the ICS flip flag is set, but let the user change
4545 it with the Flip View button. */
4546 flipView = appData.autoFlipView ?
4547 (newGameMode == IcsPlayingBlack) || ics_flip :
4550 /* Done with values from previous mode; copy in new ones */
4551 gameMode = newGameMode;
4553 ics_gamenum = gamenum;
4554 if (gamenum == gs_gamenum) {
4555 int klen = strlen(gs_kind);
4556 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4557 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4558 gameInfo.event = StrSave(str);
4560 gameInfo.event = StrSave("ICS game");
4562 gameInfo.site = StrSave(appData.icsHost);
4563 gameInfo.date = PGNDate();
4564 gameInfo.round = StrSave("-");
4565 gameInfo.white = StrSave(white);
4566 gameInfo.black = StrSave(black);
4567 timeControl = basetime * 60 * 1000;
4569 timeIncrement = increment * 1000;
4570 movesPerSession = 0;
4571 gameInfo.timeControl = TimeControlTagValue();
4572 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4573 if (appData.debugMode) {
4574 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4575 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4576 setbuf(debugFP, NULL);
4579 gameInfo.outOfBook = NULL;
4581 /* Do we have the ratings? */
4582 if (strcmp(player1Name, white) == 0 &&
4583 strcmp(player2Name, black) == 0) {
4584 if (appData.debugMode)
4585 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4586 player1Rating, player2Rating);
4587 gameInfo.whiteRating = player1Rating;
4588 gameInfo.blackRating = player2Rating;
4589 } else if (strcmp(player2Name, white) == 0 &&
4590 strcmp(player1Name, black) == 0) {
4591 if (appData.debugMode)
4592 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4593 player2Rating, player1Rating);
4594 gameInfo.whiteRating = player2Rating;
4595 gameInfo.blackRating = player1Rating;
4597 player1Name[0] = player2Name[0] = NULLCHAR;
4599 /* Silence shouts if requested */
4600 if (appData.quietPlay &&
4601 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4602 SendToICS(ics_prefix);
4603 SendToICS("set shout 0\n");
4607 /* Deal with midgame name changes */
4609 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4610 if (gameInfo.white) free(gameInfo.white);
4611 gameInfo.white = StrSave(white);
4613 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4614 if (gameInfo.black) free(gameInfo.black);
4615 gameInfo.black = StrSave(black);
4619 /* Throw away game result if anything actually changes in examine mode */
4620 if (gameMode == IcsExamining && !newGame) {
4621 gameInfo.result = GameUnfinished;
4622 if (gameInfo.resultDetails != NULL) {
4623 free(gameInfo.resultDetails);
4624 gameInfo.resultDetails = NULL;
4628 /* In pausing && IcsExamining mode, we ignore boards coming
4629 in if they are in a different variation than we are. */
4630 if (pauseExamInvalid) return;
4631 if (pausing && gameMode == IcsExamining) {
4632 if (moveNum <= pauseExamForwardMostMove) {
4633 pauseExamInvalid = TRUE;
4634 forwardMostMove = pauseExamForwardMostMove;
4639 if (appData.debugMode) {
4640 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4642 /* Parse the board */
4643 for (k = 0; k < ranks; k++) {
4644 for (j = 0; j < files; j++)
4645 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4646 if(gameInfo.holdingsWidth > 1) {
4647 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4648 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4651 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4652 board[5][BOARD_RGHT+1] = WhiteAngel;
4653 board[6][BOARD_RGHT+1] = WhiteMarshall;
4654 board[1][0] = BlackMarshall;
4655 board[2][0] = BlackAngel;
4656 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4658 CopyBoard(boards[moveNum], board);
4659 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4661 startedFromSetupPosition =
4662 !CompareBoards(board, initialPosition);
4663 if(startedFromSetupPosition)
4664 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4667 /* [HGM] Set castling rights. Take the outermost Rooks,
4668 to make it also work for FRC opening positions. Note that board12
4669 is really defective for later FRC positions, as it has no way to
4670 indicate which Rook can castle if they are on the same side of King.
4671 For the initial position we grant rights to the outermost Rooks,
4672 and remember thos rights, and we then copy them on positions
4673 later in an FRC game. This means WB might not recognize castlings with
4674 Rooks that have moved back to their original position as illegal,
4675 but in ICS mode that is not its job anyway.
4677 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4678 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4680 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4681 if(board[0][i] == WhiteRook) j = i;
4682 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4683 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4684 if(board[0][i] == WhiteRook) j = i;
4685 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4686 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4687 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4688 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4689 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4690 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4691 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4693 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4694 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4695 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4696 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4697 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4698 if(board[BOARD_HEIGHT-1][k] == bKing)
4699 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4700 if(gameInfo.variant == VariantTwoKings) {
4701 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4702 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4703 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4706 r = boards[moveNum][CASTLING][0] = initialRights[0];
4707 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4708 r = boards[moveNum][CASTLING][1] = initialRights[1];
4709 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4710 r = boards[moveNum][CASTLING][3] = initialRights[3];
4711 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4712 r = boards[moveNum][CASTLING][4] = initialRights[4];
4713 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4714 /* wildcastle kludge: always assume King has rights */
4715 r = boards[moveNum][CASTLING][2] = initialRights[2];
4716 r = boards[moveNum][CASTLING][5] = initialRights[5];
4718 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4719 boards[moveNum][EP_STATUS] = EP_NONE;
4720 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4721 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4722 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4725 if (ics_getting_history == H_GOT_REQ_HEADER ||
4726 ics_getting_history == H_GOT_UNREQ_HEADER) {
4727 /* This was an initial position from a move list, not
4728 the current position */
4732 /* Update currentMove and known move number limits */
4733 newMove = newGame || moveNum > forwardMostMove;
4736 forwardMostMove = backwardMostMove = currentMove = moveNum;
4737 if (gameMode == IcsExamining && moveNum == 0) {
4738 /* Workaround for ICS limitation: we are not told the wild
4739 type when starting to examine a game. But if we ask for
4740 the move list, the move list header will tell us */
4741 ics_getting_history = H_REQUESTED;
4742 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4745 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4746 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4748 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4749 /* [HGM] applied this also to an engine that is silently watching */
4750 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4751 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4752 gameInfo.variant == currentlyInitializedVariant) {
4753 takeback = forwardMostMove - moveNum;
4754 for (i = 0; i < takeback; i++) {
4755 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4756 SendToProgram("undo\n", &first);
4761 forwardMostMove = moveNum;
4762 if (!pausing || currentMove > forwardMostMove)
4763 currentMove = forwardMostMove;
4765 /* New part of history that is not contiguous with old part */
4766 if (pausing && gameMode == IcsExamining) {
4767 pauseExamInvalid = TRUE;
4768 forwardMostMove = pauseExamForwardMostMove;
4771 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4773 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4774 // [HGM] when we will receive the move list we now request, it will be
4775 // fed to the engine from the first move on. So if the engine is not
4776 // in the initial position now, bring it there.
4777 InitChessProgram(&first, 0);
4780 ics_getting_history = H_REQUESTED;
4781 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4784 forwardMostMove = backwardMostMove = currentMove = moveNum;
4787 /* Update the clocks */
4788 if (strchr(elapsed_time, '.')) {
4790 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4791 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4793 /* Time is in seconds */
4794 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4795 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4800 if (appData.zippyPlay && newGame &&
4801 gameMode != IcsObserving && gameMode != IcsIdle &&
4802 gameMode != IcsExamining)
4803 ZippyFirstBoard(moveNum, basetime, increment);
4806 /* Put the move on the move list, first converting
4807 to canonical algebraic form. */
4809 if (appData.debugMode) {
4810 int f = forwardMostMove;
4811 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4812 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4813 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4814 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4815 fprintf(debugFP, "moveNum = %d\n", moveNum);
4816 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4817 setbuf(debugFP, NULL);
4819 if (moveNum <= backwardMostMove) {
4820 /* We don't know what the board looked like before
4822 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4823 strcat(parseList[moveNum - 1], " ");
4824 strcat(parseList[moveNum - 1], elapsed_time);
4825 moveList[moveNum - 1][0] = NULLCHAR;
4826 } else if (strcmp(move_str, "none") == 0) {
4827 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4828 /* Again, we don't know what the board looked like;
4829 this is really the start of the game. */
4830 parseList[moveNum - 1][0] = NULLCHAR;
4831 moveList[moveNum - 1][0] = NULLCHAR;
4832 backwardMostMove = moveNum;
4833 startedFromSetupPosition = TRUE;
4834 fromX = fromY = toX = toY = -1;
4836 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4837 // So we parse the long-algebraic move string in stead of the SAN move
4838 int valid; char buf[MSG_SIZ], *prom;
4840 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4841 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4842 // str looks something like "Q/a1-a2"; kill the slash
4844 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4845 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4846 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4847 strcat(buf, prom); // long move lacks promo specification!
4848 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4849 if(appData.debugMode)
4850 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4851 safeStrCpy(move_str, buf, MSG_SIZ);
4853 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4854 &fromX, &fromY, &toX, &toY, &promoChar)
4855 || ParseOneMove(buf, moveNum - 1, &moveType,
4856 &fromX, &fromY, &toX, &toY, &promoChar);
4857 // end of long SAN patch
4859 (void) CoordsToAlgebraic(boards[moveNum - 1],
4860 PosFlags(moveNum - 1),
4861 fromY, fromX, toY, toX, promoChar,
4862 parseList[moveNum-1]);
4863 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4869 if(!IS_SHOGI(gameInfo.variant))
4870 strcat(parseList[moveNum - 1], "+");
4873 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4874 strcat(parseList[moveNum - 1], "#");
4877 strcat(parseList[moveNum - 1], " ");
4878 strcat(parseList[moveNum - 1], elapsed_time);
4879 /* currentMoveString is set as a side-effect of ParseOneMove */
4880 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4881 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4882 strcat(moveList[moveNum - 1], "\n");
4884 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4885 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4886 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4887 ChessSquare old, new = boards[moveNum][k][j];
4888 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4889 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4890 if(old == new) continue;
4891 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4892 else if(new == WhiteWazir || new == BlackWazir) {
4893 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4894 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4895 else boards[moveNum][k][j] = old; // preserve type of Gold
4896 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4897 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4900 /* Move from ICS was illegal!? Punt. */
4901 if (appData.debugMode) {
4902 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4903 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4905 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4906 strcat(parseList[moveNum - 1], " ");
4907 strcat(parseList[moveNum - 1], elapsed_time);
4908 moveList[moveNum - 1][0] = NULLCHAR;
4909 fromX = fromY = toX = toY = -1;
4912 if (appData.debugMode) {
4913 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4914 setbuf(debugFP, NULL);
4918 /* Send move to chess program (BEFORE animating it). */
4919 if (appData.zippyPlay && !newGame && newMove &&
4920 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4922 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4923 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4924 if (moveList[moveNum - 1][0] == NULLCHAR) {
4925 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4927 DisplayError(str, 0);
4929 if (first.sendTime) {
4930 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4932 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4933 if (firstMove && !bookHit) {
4935 if (first.useColors) {
4936 SendToProgram(gameMode == IcsPlayingWhite ?
4938 "black\ngo\n", &first);
4940 SendToProgram("go\n", &first);
4942 first.maybeThinking = TRUE;
4945 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4946 if (moveList[moveNum - 1][0] == NULLCHAR) {
4947 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4948 DisplayError(str, 0);
4950 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4951 SendMoveToProgram(moveNum - 1, &first);
4958 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4959 /* If move comes from a remote source, animate it. If it
4960 isn't remote, it will have already been animated. */
4961 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4962 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4964 if (!pausing && appData.highlightLastMove) {
4965 SetHighlights(fromX, fromY, toX, toY);
4969 /* Start the clocks */
4970 whiteFlag = blackFlag = FALSE;
4971 appData.clockMode = !(basetime == 0 && increment == 0);
4973 ics_clock_paused = TRUE;
4975 } else if (ticking == 1) {
4976 ics_clock_paused = FALSE;
4978 if (gameMode == IcsIdle ||
4979 relation == RELATION_OBSERVING_STATIC ||
4980 relation == RELATION_EXAMINING ||
4982 DisplayBothClocks();
4986 /* Display opponents and material strengths */
4987 if (gameInfo.variant != VariantBughouse &&
4988 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4989 if (tinyLayout || smallLayout) {
4990 if(gameInfo.variant == VariantNormal)
4991 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4992 gameInfo.white, white_stren, gameInfo.black, black_stren,
4993 basetime, increment);
4995 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4996 gameInfo.white, white_stren, gameInfo.black, black_stren,
4997 basetime, increment, (int) gameInfo.variant);
4999 if(gameInfo.variant == VariantNormal)
5000 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5001 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5002 basetime, increment);
5004 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5005 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5006 basetime, increment, VariantName(gameInfo.variant));
5009 if (appData.debugMode) {
5010 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5015 /* Display the board */
5016 if (!pausing && !appData.noGUI) {
5018 if (appData.premove)
5020 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5021 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5022 ClearPremoveHighlights();
5024 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5025 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5026 DrawPosition(j, boards[currentMove]);
5028 DisplayMove(moveNum - 1);
5029 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5030 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5031 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5032 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5036 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5038 if(bookHit) { // [HGM] book: simulate book reply
5039 static char bookMove[MSG_SIZ]; // a bit generous?
5041 programStats.nodes = programStats.depth = programStats.time =
5042 programStats.score = programStats.got_only_move = 0;
5043 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5045 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5046 strcat(bookMove, bookHit);
5047 HandleMachineMove(bookMove, &first);
5056 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5057 ics_getting_history = H_REQUESTED;
5058 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5064 SendToBoth (char *msg)
5065 { // to make it easy to keep two engines in step in dual analysis
5066 SendToProgram(msg, &first);
5067 if(second.analyzing) SendToProgram(msg, &second);
5071 AnalysisPeriodicEvent (int force)
5073 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5074 && !force) || !appData.periodicUpdates)
5077 /* Send . command to Crafty to collect stats */
5080 /* Don't send another until we get a response (this makes
5081 us stop sending to old Crafty's which don't understand
5082 the "." command (sending illegal cmds resets node count & time,
5083 which looks bad)) */
5084 programStats.ok_to_send = 0;
5088 ics_update_width (int new_width)
5090 ics_printf("set width %d\n", new_width);
5094 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5098 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5099 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5100 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5101 SendToProgram(buf, cps);
5104 // null move in variant where engine does not understand it (for analysis purposes)
5105 SendBoard(cps, moveNum + 1); // send position after move in stead.
5108 if (cps->useUsermove) {
5109 SendToProgram("usermove ", cps);
5113 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5114 int len = space - parseList[moveNum];
5115 memcpy(buf, parseList[moveNum], len);
5117 buf[len] = NULLCHAR;
5119 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5121 SendToProgram(buf, cps);
5123 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5124 AlphaRank(moveList[moveNum], 4);
5125 SendToProgram(moveList[moveNum], cps);
5126 AlphaRank(moveList[moveNum], 4); // and back
5128 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5129 * the engine. It would be nice to have a better way to identify castle
5131 if(appData.fischerCastling && cps->useOOCastle) {
5132 int fromX = moveList[moveNum][0] - AAA;
5133 int fromY = moveList[moveNum][1] - ONE;
5134 int toX = moveList[moveNum][2] - AAA;
5135 int toY = moveList[moveNum][3] - ONE;
5136 if((boards[moveNum][fromY][fromX] == WhiteKing
5137 && boards[moveNum][toY][toX] == WhiteRook)
5138 || (boards[moveNum][fromY][fromX] == BlackKing
5139 && boards[moveNum][toY][toX] == BlackRook)) {
5140 if(toX > fromX) SendToProgram("O-O\n", cps);
5141 else SendToProgram("O-O-O\n", cps);
5143 else SendToProgram(moveList[moveNum], cps);
5145 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5146 char *m = moveList[moveNum];
5147 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
5148 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5151 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5153 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5157 SendToProgram(buf, cps);
5159 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5160 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5161 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5162 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5163 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5165 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5166 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5167 SendToProgram(buf, cps);
5169 else SendToProgram(moveList[moveNum], cps);
5170 /* End of additions by Tord */
5173 /* [HGM] setting up the opening has brought engine in force mode! */
5174 /* Send 'go' if we are in a mode where machine should play. */
5175 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5176 (gameMode == TwoMachinesPlay ||
5178 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5180 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5181 SendToProgram("go\n", cps);
5182 if (appData.debugMode) {
5183 fprintf(debugFP, "(extra)\n");
5186 setboardSpoiledMachineBlack = 0;
5190 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5192 char user_move[MSG_SIZ];
5195 if(gameInfo.variant == VariantSChess && promoChar) {
5196 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5197 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5198 } else suffix[0] = NULLCHAR;
5202 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5203 (int)moveType, fromX, fromY, toX, toY);
5204 DisplayError(user_move + strlen("say "), 0);
5206 case WhiteKingSideCastle:
5207 case BlackKingSideCastle:
5208 case WhiteQueenSideCastleWild:
5209 case BlackQueenSideCastleWild:
5211 case WhiteHSideCastleFR:
5212 case BlackHSideCastleFR:
5214 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5216 case WhiteQueenSideCastle:
5217 case BlackQueenSideCastle:
5218 case WhiteKingSideCastleWild:
5219 case BlackKingSideCastleWild:
5221 case WhiteASideCastleFR:
5222 case BlackASideCastleFR:
5224 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5226 case WhiteNonPromotion:
5227 case BlackNonPromotion:
5228 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5230 case WhitePromotion:
5231 case BlackPromotion:
5232 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5233 gameInfo.variant == VariantMakruk)
5234 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5235 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5236 PieceToChar(WhiteFerz));
5237 else if(gameInfo.variant == VariantGreat)
5238 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5239 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5240 PieceToChar(WhiteMan));
5242 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5243 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5249 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5250 ToUpper(PieceToChar((ChessSquare) fromX)),
5251 AAA + toX, ONE + toY);
5253 case IllegalMove: /* could be a variant we don't quite understand */
5254 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5256 case WhiteCapturesEnPassant:
5257 case BlackCapturesEnPassant:
5258 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5259 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5262 SendToICS(user_move);
5263 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5264 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5269 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5270 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5271 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5272 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5273 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5276 if(gameMode != IcsExamining) { // is this ever not the case?
5277 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5279 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5280 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5281 } else { // on FICS we must first go to general examine mode
5282 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5284 if(gameInfo.variant != VariantNormal) {
5285 // try figure out wild number, as xboard names are not always valid on ICS
5286 for(i=1; i<=36; i++) {
5287 snprintf(buf, MSG_SIZ, "wild/%d", i);
5288 if(StringToVariant(buf) == gameInfo.variant) break;
5290 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5291 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5292 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5293 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5294 SendToICS(ics_prefix);
5296 if(startedFromSetupPosition || backwardMostMove != 0) {
5297 fen = PositionToFEN(backwardMostMove, NULL, 1);
5298 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5299 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5301 } else { // FICS: everything has to set by separate bsetup commands
5302 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5303 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5305 if(!WhiteOnMove(backwardMostMove)) {
5306 SendToICS("bsetup tomove black\n");
5308 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5309 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5311 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5312 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5314 i = boards[backwardMostMove][EP_STATUS];
5315 if(i >= 0) { // set e.p.
5316 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5322 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5323 SendToICS("bsetup done\n"); // switch to normal examining.
5325 for(i = backwardMostMove; i<last; i++) {
5327 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5328 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5329 int len = strlen(moveList[i]);
5330 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5331 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5335 SendToICS(ics_prefix);
5336 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5339 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5343 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5345 if (rf == DROP_RANK) {
5346 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5347 sprintf(move, "%c@%c%c\n",
5348 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5350 if (promoChar == 'x' || promoChar == NULLCHAR) {
5351 sprintf(move, "%c%c%c%c\n",
5352 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5353 if(killX >= 0 && killY >= 0) {
5354 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5355 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + killX, ONE + killY);
5358 sprintf(move, "%c%c%c%c%c\n",
5359 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5365 ProcessICSInitScript (FILE *f)
5369 while (fgets(buf, MSG_SIZ, f)) {
5370 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5377 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5379 static ClickType lastClickType;
5382 Partner (ChessSquare *p)
5383 { // change piece into promotion partner if one shogi-promotes to the other
5384 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5385 ChessSquare partner;
5386 partner = (*p/stride & 1 ? *p - stride : *p + stride);
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) == '~' || promoSweep == pawn ||
5411 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5412 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5413 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5415 int victim = boards[currentMove][toY][toX];
5416 boards[currentMove][toY][toX] = promoSweep;
5417 DrawPosition(FALSE, boards[currentMove]);
5418 boards[currentMove][toY][toX] = victim;
5420 ChangeDragPiece(promoSweep);
5424 PromoScroll (int x, int y)
5428 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5429 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5430 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5431 if(!step) return FALSE;
5432 lastX = x; lastY = y;
5433 if((promoSweep < BlackPawn) == flipView) step = -step;
5434 if(step > 0) selectFlag = 1;
5435 if(!selectFlag) Sweep(step);
5440 NextPiece (int step)
5442 ChessSquare piece = boards[currentMove][toY][toX];
5445 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5446 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5447 if(!step) step = -1;
5448 } while(PieceToChar(pieceSweep) == '.');
5449 boards[currentMove][toY][toX] = pieceSweep;
5450 DrawPosition(FALSE, boards[currentMove]);
5451 boards[currentMove][toY][toX] = piece;
5453 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5455 AlphaRank (char *move, int n)
5457 // char *p = move, c; int x, y;
5459 if (appData.debugMode) {
5460 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5464 move[2]>='0' && move[2]<='9' &&
5465 move[3]>='a' && move[3]<='x' ) {
5467 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5468 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5470 if(move[0]>='0' && move[0]<='9' &&
5471 move[1]>='a' && move[1]<='x' &&
5472 move[2]>='0' && move[2]<='9' &&
5473 move[3]>='a' && move[3]<='x' ) {
5474 /* input move, Shogi -> normal */
5475 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5476 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5477 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5478 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5481 move[3]>='0' && move[3]<='9' &&
5482 move[2]>='a' && move[2]<='x' ) {
5484 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5485 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5488 move[0]>='a' && move[0]<='x' &&
5489 move[3]>='0' && move[3]<='9' &&
5490 move[2]>='a' && move[2]<='x' ) {
5491 /* output move, normal -> Shogi */
5492 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5493 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5494 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5495 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5496 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5498 if (appData.debugMode) {
5499 fprintf(debugFP, " out = '%s'\n", move);
5503 char yy_textstr[8000];
5505 /* Parser for moves from gnuchess, ICS, or user typein box */
5507 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5509 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5511 switch (*moveType) {
5512 case WhitePromotion:
5513 case BlackPromotion:
5514 case WhiteNonPromotion:
5515 case BlackNonPromotion:
5518 case WhiteCapturesEnPassant:
5519 case BlackCapturesEnPassant:
5520 case WhiteKingSideCastle:
5521 case WhiteQueenSideCastle:
5522 case BlackKingSideCastle:
5523 case BlackQueenSideCastle:
5524 case WhiteKingSideCastleWild:
5525 case WhiteQueenSideCastleWild:
5526 case BlackKingSideCastleWild:
5527 case BlackQueenSideCastleWild:
5528 /* Code added by Tord: */
5529 case WhiteHSideCastleFR:
5530 case WhiteASideCastleFR:
5531 case BlackHSideCastleFR:
5532 case BlackASideCastleFR:
5533 /* End of code added by Tord */
5534 case IllegalMove: /* bug or odd chess variant */
5535 if(currentMoveString[1] == '@') { // illegal drop
5536 *fromX = WhiteOnMove(moveNum) ?
5537 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5538 (int) CharToPiece(ToLower(currentMoveString[0]));
5541 *fromX = currentMoveString[0] - AAA;
5542 *fromY = currentMoveString[1] - ONE;
5543 *toX = currentMoveString[2] - AAA;
5544 *toY = currentMoveString[3] - ONE;
5545 *promoChar = currentMoveString[4];
5546 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5547 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5548 if (appData.debugMode) {
5549 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5551 *fromX = *fromY = *toX = *toY = 0;
5554 if (appData.testLegality) {
5555 return (*moveType != IllegalMove);
5557 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5558 // [HGM] lion: if this is a double move we are less critical
5559 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5564 *fromX = *moveType == WhiteDrop ?
5565 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5566 (int) CharToPiece(ToLower(currentMoveString[0]));
5569 *toX = currentMoveString[2] - AAA;
5570 *toY = currentMoveString[3] - ONE;
5571 *promoChar = NULLCHAR;
5575 case ImpossibleMove:
5585 if (appData.debugMode) {
5586 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5589 *fromX = *fromY = *toX = *toY = 0;
5590 *promoChar = NULLCHAR;
5595 Boolean pushed = FALSE;
5596 char *lastParseAttempt;
5599 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5600 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5601 int fromX, fromY, toX, toY; char promoChar;
5606 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5607 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5608 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5611 endPV = forwardMostMove;
5613 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5614 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5615 lastParseAttempt = pv;
5616 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5617 if(!valid && nr == 0 &&
5618 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5619 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5620 // Hande case where played move is different from leading PV move
5621 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5622 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5623 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5624 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5625 endPV += 2; // if position different, keep this
5626 moveList[endPV-1][0] = fromX + AAA;
5627 moveList[endPV-1][1] = fromY + ONE;
5628 moveList[endPV-1][2] = toX + AAA;
5629 moveList[endPV-1][3] = toY + ONE;
5630 parseList[endPV-1][0] = NULLCHAR;
5631 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5634 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5635 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5636 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5637 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5638 valid++; // allow comments in PV
5642 if(endPV+1 > framePtr) break; // no space, truncate
5645 CopyBoard(boards[endPV], boards[endPV-1]);
5646 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5647 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5648 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5649 CoordsToAlgebraic(boards[endPV - 1],
5650 PosFlags(endPV - 1),
5651 fromY, fromX, toY, toX, promoChar,
5652 parseList[endPV - 1]);
5654 if(atEnd == 2) return; // used hidden, for PV conversion
5655 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5656 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5657 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5658 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5659 DrawPosition(TRUE, boards[currentMove]);
5663 MultiPV (ChessProgramState *cps)
5664 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5666 for(i=0; i<cps->nrOptions; i++)
5667 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5672 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5675 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5677 int startPV, multi, lineStart, origIndex = index;
5678 char *p, buf2[MSG_SIZ];
5679 ChessProgramState *cps = (pane ? &second : &first);
5681 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5682 lastX = x; lastY = y;
5683 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5684 lineStart = startPV = index;
5685 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5686 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5688 do{ while(buf[index] && buf[index] != '\n') index++;
5689 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5691 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5692 int n = cps->option[multi].value;
5693 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5694 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5695 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5696 cps->option[multi].value = n;
5699 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5700 ExcludeClick(origIndex - lineStart);
5702 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5703 Collapse(origIndex - lineStart);
5706 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5707 *start = startPV; *end = index-1;
5708 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5715 static char buf[10*MSG_SIZ];
5716 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5718 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5719 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5720 for(i = forwardMostMove; i<endPV; i++){
5721 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5722 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5725 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5726 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5727 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5733 LoadPV (int x, int y)
5734 { // called on right mouse click to load PV
5735 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5736 lastX = x; lastY = y;
5737 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5745 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5746 if(endPV < 0) return;
5747 if(appData.autoCopyPV) CopyFENToClipboard();
5749 if(extendGame && currentMove > forwardMostMove) {
5750 Boolean saveAnimate = appData.animate;
5752 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5753 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5754 } else storedGames--; // abandon shelved tail of original game
5757 forwardMostMove = currentMove;
5758 currentMove = oldFMM;
5759 appData.animate = FALSE;
5760 ToNrEvent(forwardMostMove);
5761 appData.animate = saveAnimate;
5763 currentMove = forwardMostMove;
5764 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5765 ClearPremoveHighlights();
5766 DrawPosition(TRUE, boards[currentMove]);
5770 MovePV (int x, int y, int h)
5771 { // step through PV based on mouse coordinates (called on mouse move)
5772 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5774 // we must somehow check if right button is still down (might be released off board!)
5775 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5776 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5777 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5779 lastX = x; lastY = y;
5781 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5782 if(endPV < 0) return;
5783 if(y < margin) step = 1; else
5784 if(y > h - margin) step = -1;
5785 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5786 currentMove += step;
5787 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5788 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5789 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5790 DrawPosition(FALSE, boards[currentMove]);
5794 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5795 // All positions will have equal probability, but the current method will not provide a unique
5796 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5802 int piecesLeft[(int)BlackPawn];
5803 int seed, nrOfShuffles;
5806 GetPositionNumber ()
5807 { // sets global variable seed
5810 seed = appData.defaultFrcPosition;
5811 if(seed < 0) { // randomize based on time for negative FRC position numbers
5812 for(i=0; i<50; i++) seed += random();
5813 seed = random() ^ random() >> 8 ^ random() << 8;
5814 if(seed<0) seed = -seed;
5819 put (Board board, int pieceType, int rank, int n, int shade)
5820 // put the piece on the (n-1)-th empty squares of the given shade
5824 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5825 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5826 board[rank][i] = (ChessSquare) pieceType;
5827 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5829 piecesLeft[pieceType]--;
5838 AddOnePiece (Board board, int pieceType, int rank, int shade)
5839 // calculate where the next piece goes, (any empty square), and put it there
5843 i = seed % squaresLeft[shade];
5844 nrOfShuffles *= squaresLeft[shade];
5845 seed /= squaresLeft[shade];
5846 put(board, pieceType, rank, i, shade);
5850 AddTwoPieces (Board board, int pieceType, int rank)
5851 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5853 int i, n=squaresLeft[ANY], j=n-1, k;
5855 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5856 i = seed % k; // pick one
5859 while(i >= j) i -= j--;
5860 j = n - 1 - j; i += j;
5861 put(board, pieceType, rank, j, ANY);
5862 put(board, pieceType, rank, i, ANY);
5866 SetUpShuffle (Board board, int number)
5870 GetPositionNumber(); nrOfShuffles = 1;
5872 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5873 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5874 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5876 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5878 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5879 p = (int) board[0][i];
5880 if(p < (int) BlackPawn) piecesLeft[p] ++;
5881 board[0][i] = EmptySquare;
5884 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5885 // shuffles restricted to allow normal castling put KRR first
5886 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5887 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5888 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5889 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5890 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5891 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5892 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5893 put(board, WhiteRook, 0, 0, ANY);
5894 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5897 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5898 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5899 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5900 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5901 while(piecesLeft[p] >= 2) {
5902 AddOnePiece(board, p, 0, LITE);
5903 AddOnePiece(board, p, 0, DARK);
5905 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5908 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5909 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5910 // but we leave King and Rooks for last, to possibly obey FRC restriction
5911 if(p == (int)WhiteRook) continue;
5912 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5913 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5916 // now everything is placed, except perhaps King (Unicorn) and Rooks
5918 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5919 // Last King gets castling rights
5920 while(piecesLeft[(int)WhiteUnicorn]) {
5921 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5922 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5925 while(piecesLeft[(int)WhiteKing]) {
5926 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5927 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5932 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5933 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5936 // Only Rooks can be left; simply place them all
5937 while(piecesLeft[(int)WhiteRook]) {
5938 i = put(board, WhiteRook, 0, 0, ANY);
5939 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5942 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5944 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5947 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5948 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5951 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5955 ptclen (const char *s, char *escapes)
5958 if(!*escapes) return strlen(s);
5959 while(*s) n += (*s != '/' && !strchr(escapes, *s)), s++;
5964 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
5965 /* [HGM] moved here from winboard.c because of its general usefulness */
5966 /* Basically a safe strcpy that uses the last character as King */
5968 int result = FALSE; int NrPieces, offs;
5970 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
5971 && NrPieces >= 12 && !(NrPieces&1)) {
5972 int i, j = 0; /* [HGM] Accept even length from 12 to 88 */
5974 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5975 for( i=offs=0; i<NrPieces/2-1; i++ ) {
5977 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
5978 table[i + offs] = map[j++];
5979 if(p = strchr(escapes, map[j])) j++, table[i + offs] += 64*(p - escapes + 1);
5981 table[(int) WhiteKing] = map[j++];
5982 for( i=offs=0; i<NrPieces/2-1; i++ ) {
5984 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
5985 table[WHITE_TO_BLACK i + offs] = map[j++];
5986 if(p = strchr(escapes, map[j])) j++, table[WHITE_TO_BLACK i + offs] += 64*(p - escapes + 1);
5988 table[(int) BlackKing] = map[j++];
5997 SetCharTable (unsigned char *table, const char * map)
5999 return SetCharTableEsc(table, map, "");
6003 Prelude (Board board)
6004 { // [HGM] superchess: random selection of exo-pieces
6005 int i, j, k; ChessSquare p;
6006 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6008 GetPositionNumber(); // use FRC position number
6010 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6011 SetCharTable(pieceToChar, appData.pieceToCharTable);
6012 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6013 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6016 j = seed%4; seed /= 4;
6017 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6018 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6019 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6020 j = seed%3 + (seed%3 >= j); seed /= 3;
6021 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6022 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6023 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6024 j = seed%3; seed /= 3;
6025 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6026 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6027 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6028 j = seed%2 + (seed%2 >= j); seed /= 2;
6029 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6030 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6031 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6032 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6033 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6034 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6035 put(board, exoPieces[0], 0, 0, ANY);
6036 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6040 InitPosition (int redraw)
6042 ChessSquare (* pieces)[BOARD_FILES];
6043 int i, j, pawnRow=1, pieceRows=1, overrule,
6044 oldx = gameInfo.boardWidth,
6045 oldy = gameInfo.boardHeight,
6046 oldh = gameInfo.holdingsWidth;
6049 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6051 /* [AS] Initialize pv info list [HGM] and game status */
6053 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6054 pvInfoList[i].depth = 0;
6055 boards[i][EP_STATUS] = EP_NONE;
6056 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6059 initialRulePlies = 0; /* 50-move counter start */
6061 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6062 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6066 /* [HGM] logic here is completely changed. In stead of full positions */
6067 /* the initialized data only consist of the two backranks. The switch */
6068 /* selects which one we will use, which is than copied to the Board */
6069 /* initialPosition, which for the rest is initialized by Pawns and */
6070 /* empty squares. This initial position is then copied to boards[0], */
6071 /* possibly after shuffling, so that it remains available. */
6073 gameInfo.holdingsWidth = 0; /* default board sizes */
6074 gameInfo.boardWidth = 8;
6075 gameInfo.boardHeight = 8;
6076 gameInfo.holdingsSize = 0;
6077 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6078 for(i=0; i<BOARD_FILES-6; i++)
6079 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6080 initialPosition[EP_STATUS] = EP_NONE;
6081 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6082 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6083 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6084 SetCharTable(pieceNickName, appData.pieceNickNames);
6085 else SetCharTable(pieceNickName, "............");
6088 switch (gameInfo.variant) {
6089 case VariantFischeRandom:
6090 shuffleOpenings = TRUE;
6091 appData.fischerCastling = TRUE;
6094 case VariantShatranj:
6095 pieces = ShatranjArray;
6096 nrCastlingRights = 0;
6097 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6100 pieces = makrukArray;
6101 nrCastlingRights = 0;
6102 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6105 pieces = aseanArray;
6106 nrCastlingRights = 0;
6107 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6109 case VariantTwoKings:
6110 pieces = twoKingsArray;
6113 pieces = GrandArray;
6114 nrCastlingRights = 0;
6115 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6116 gameInfo.boardWidth = 10;
6117 gameInfo.boardHeight = 10;
6118 gameInfo.holdingsSize = 7;
6120 case VariantCapaRandom:
6121 shuffleOpenings = TRUE;
6122 appData.fischerCastling = TRUE;
6123 case VariantCapablanca:
6124 pieces = CapablancaArray;
6125 gameInfo.boardWidth = 10;
6126 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6129 pieces = GothicArray;
6130 gameInfo.boardWidth = 10;
6131 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6134 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6135 gameInfo.holdingsSize = 7;
6136 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6139 pieces = JanusArray;
6140 gameInfo.boardWidth = 10;
6141 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6142 nrCastlingRights = 6;
6143 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6144 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6145 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6146 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6147 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6148 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6151 pieces = FalconArray;
6152 gameInfo.boardWidth = 10;
6153 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6155 case VariantXiangqi:
6156 pieces = XiangqiArray;
6157 gameInfo.boardWidth = 9;
6158 gameInfo.boardHeight = 10;
6159 nrCastlingRights = 0;
6160 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6163 pieces = ShogiArray;
6164 gameInfo.boardWidth = 9;
6165 gameInfo.boardHeight = 9;
6166 gameInfo.holdingsSize = 7;
6167 nrCastlingRights = 0;
6168 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6171 pieces = ChuArray; pieceRows = 3;
6172 gameInfo.boardWidth = 12;
6173 gameInfo.boardHeight = 12;
6174 nrCastlingRights = 0;
6175 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN/+.++.++++++++++.+++++K"
6176 "p.brqsexogcathd.vmlifn/+.++.++++++++++.+++++k", SUFFIXES);
6178 case VariantCourier:
6179 pieces = CourierArray;
6180 gameInfo.boardWidth = 12;
6181 nrCastlingRights = 0;
6182 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6184 case VariantKnightmate:
6185 pieces = KnightmateArray;
6186 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6188 case VariantSpartan:
6189 pieces = SpartanArray;
6190 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6194 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6196 case VariantChuChess:
6197 pieces = ChuChessArray;
6198 gameInfo.boardWidth = 10;
6199 gameInfo.boardHeight = 10;
6200 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6203 pieces = fairyArray;
6204 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6207 pieces = GreatArray;
6208 gameInfo.boardWidth = 10;
6209 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6210 gameInfo.holdingsSize = 8;
6214 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6215 gameInfo.holdingsSize = 8;
6216 startedFromSetupPosition = TRUE;
6218 case VariantCrazyhouse:
6219 case VariantBughouse:
6221 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6222 gameInfo.holdingsSize = 5;
6224 case VariantWildCastle:
6226 /* !!?shuffle with kings guaranteed to be on d or e file */
6227 shuffleOpenings = 1;
6229 case VariantNoCastle:
6231 nrCastlingRights = 0;
6232 /* !!?unconstrained back-rank shuffle */
6233 shuffleOpenings = 1;
6238 if(appData.NrFiles >= 0) {
6239 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6240 gameInfo.boardWidth = appData.NrFiles;
6242 if(appData.NrRanks >= 0) {
6243 gameInfo.boardHeight = appData.NrRanks;
6245 if(appData.holdingsSize >= 0) {
6246 i = appData.holdingsSize;
6247 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6248 gameInfo.holdingsSize = i;
6250 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6251 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6252 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6254 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6255 if(pawnRow < 1) pawnRow = 1;
6256 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6257 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6258 if(gameInfo.variant == VariantChu) pawnRow = 3;
6260 /* User pieceToChar list overrules defaults */
6261 if(appData.pieceToCharTable != NULL)
6262 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6264 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6266 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6267 s = (ChessSquare) 0; /* account holding counts in guard band */
6268 for( i=0; i<BOARD_HEIGHT; i++ )
6269 initialPosition[i][j] = s;
6271 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6272 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6273 initialPosition[pawnRow][j] = WhitePawn;
6274 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6275 if(gameInfo.variant == VariantXiangqi) {
6277 initialPosition[pawnRow][j] =
6278 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6279 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6280 initialPosition[2][j] = WhiteCannon;
6281 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6285 if(gameInfo.variant == VariantChu) {
6286 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6287 initialPosition[pawnRow+1][j] = WhiteCobra,
6288 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6289 for(i=1; i<pieceRows; i++) {
6290 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6291 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6294 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6295 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6296 initialPosition[0][j] = WhiteRook;
6297 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6300 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6302 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6303 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6306 initialPosition[1][j] = WhiteBishop;
6307 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6309 initialPosition[1][j] = WhiteRook;
6310 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6313 if( nrCastlingRights == -1) {
6314 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6315 /* This sets default castling rights from none to normal corners */
6316 /* Variants with other castling rights must set them themselves above */
6317 nrCastlingRights = 6;
6319 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6320 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6321 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6322 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6323 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6324 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6327 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6328 if(gameInfo.variant == VariantGreat) { // promotion commoners
6329 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6330 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6331 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6332 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6334 if( gameInfo.variant == VariantSChess ) {
6335 initialPosition[1][0] = BlackMarshall;
6336 initialPosition[2][0] = BlackAngel;
6337 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6338 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6339 initialPosition[1][1] = initialPosition[2][1] =
6340 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6342 if (appData.debugMode) {
6343 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6345 if(shuffleOpenings) {
6346 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6347 startedFromSetupPosition = TRUE;
6349 if(startedFromPositionFile) {
6350 /* [HGM] loadPos: use PositionFile for every new game */
6351 CopyBoard(initialPosition, filePosition);
6352 for(i=0; i<nrCastlingRights; i++)
6353 initialRights[i] = filePosition[CASTLING][i];
6354 startedFromSetupPosition = TRUE;
6357 CopyBoard(boards[0], initialPosition);
6359 if(oldx != gameInfo.boardWidth ||
6360 oldy != gameInfo.boardHeight ||
6361 oldv != gameInfo.variant ||
6362 oldh != gameInfo.holdingsWidth
6364 InitDrawingSizes(-2 ,0);
6366 oldv = gameInfo.variant;
6368 DrawPosition(TRUE, boards[currentMove]);
6372 SendBoard (ChessProgramState *cps, int moveNum)
6374 char message[MSG_SIZ];
6376 if (cps->useSetboard) {
6377 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6378 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6379 SendToProgram(message, cps);
6384 int i, j, left=0, right=BOARD_WIDTH;
6385 /* Kludge to set black to move, avoiding the troublesome and now
6386 * deprecated "black" command.
6388 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6389 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6391 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6393 SendToProgram("edit\n", cps);
6394 SendToProgram("#\n", cps);
6395 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6396 bp = &boards[moveNum][i][left];
6397 for (j = left; j < right; j++, bp++) {
6398 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6399 if ((int) *bp < (int) BlackPawn) {
6400 if(j == BOARD_RGHT+1)
6401 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6402 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6403 if(message[0] == '+' || message[0] == '~') {
6404 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6405 PieceToChar((ChessSquare)(DEMOTED *bp)),
6406 AAA + j, ONE + i - '0');
6408 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6409 message[1] = BOARD_RGHT - 1 - j + '1';
6410 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6412 SendToProgram(message, cps);
6417 SendToProgram("c\n", cps);
6418 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6419 bp = &boards[moveNum][i][left];
6420 for (j = left; j < right; j++, bp++) {
6421 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6422 if (((int) *bp != (int) EmptySquare)
6423 && ((int) *bp >= (int) BlackPawn)) {
6424 if(j == BOARD_LEFT-2)
6425 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6426 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6427 AAA + j, ONE + i - '0');
6428 if(message[0] == '+' || message[0] == '~') {
6429 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6430 PieceToChar((ChessSquare)(DEMOTED *bp)),
6431 AAA + j, ONE + i - '0');
6433 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6434 message[1] = BOARD_RGHT - 1 - j + '1';
6435 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6437 SendToProgram(message, cps);
6442 SendToProgram(".\n", cps);
6444 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6447 char exclusionHeader[MSG_SIZ];
6448 int exCnt, excludePtr;
6449 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6450 static Exclusion excluTab[200];
6451 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6457 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6458 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6464 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6465 excludePtr = 24; exCnt = 0;
6470 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6471 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6472 char buf[2*MOVE_LEN], *p;
6473 Exclusion *e = excluTab;
6475 for(i=0; i<exCnt; i++)
6476 if(e[i].ff == fromX && e[i].fr == fromY &&
6477 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6478 if(i == exCnt) { // was not in exclude list; add it
6479 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6480 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6481 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6484 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6485 excludePtr++; e[i].mark = excludePtr++;
6486 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6489 exclusionHeader[e[i].mark] = state;
6493 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6494 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6498 if((signed char)promoChar == -1) { // kludge to indicate best move
6499 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6500 return 1; // if unparsable, abort
6502 // update exclusion map (resolving toggle by consulting existing state)
6503 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6505 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6506 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6507 excludeMap[k] |= 1<<j;
6508 else excludeMap[k] &= ~(1<<j);
6510 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6512 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6513 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6515 return (state == '+');
6519 ExcludeClick (int index)
6522 Exclusion *e = excluTab;
6523 if(index < 25) { // none, best or tail clicked
6524 if(index < 13) { // none: include all
6525 WriteMap(0); // clear map
6526 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6527 SendToBoth("include all\n"); // and inform engine
6528 } else if(index > 18) { // tail
6529 if(exclusionHeader[19] == '-') { // tail was excluded
6530 SendToBoth("include all\n");
6531 WriteMap(0); // clear map completely
6532 // now re-exclude selected moves
6533 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6534 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6535 } else { // tail was included or in mixed state
6536 SendToBoth("exclude all\n");
6537 WriteMap(0xFF); // fill map completely
6538 // now re-include selected moves
6539 j = 0; // count them
6540 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6541 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6542 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6545 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6548 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6549 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6550 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6557 DefaultPromoChoice (int white)
6560 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6561 gameInfo.variant == VariantMakruk)
6562 result = WhiteFerz; // no choice
6563 else if(gameInfo.variant == VariantASEAN)
6564 result = WhiteRook; // no choice
6565 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6566 result= WhiteKing; // in Suicide Q is the last thing we want
6567 else if(gameInfo.variant == VariantSpartan)
6568 result = white ? WhiteQueen : WhiteAngel;
6569 else result = WhiteQueen;
6570 if(!white) result = WHITE_TO_BLACK result;
6574 static int autoQueen; // [HGM] oneclick
6577 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6579 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6580 /* [HGM] add Shogi promotions */
6581 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6582 ChessSquare piece, partner;
6586 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6587 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6589 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6590 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6593 piece = boards[currentMove][fromY][fromX];
6594 if(gameInfo.variant == VariantChu) {
6595 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6596 promotionZoneSize = BOARD_HEIGHT/3;
6597 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6598 } else if(gameInfo.variant == VariantShogi) {
6599 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6600 highestPromotingPiece = (int)WhiteAlfil;
6601 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6602 promotionZoneSize = 3;
6605 // Treat Lance as Pawn when it is not representing Amazon or Lance
6606 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6607 if(piece == WhiteLance) piece = WhitePawn; else
6608 if(piece == BlackLance) piece = BlackPawn;
6611 // next weed out all moves that do not touch the promotion zone at all
6612 if((int)piece >= BlackPawn) {
6613 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6615 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6616 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6618 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6619 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6620 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6624 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6626 // weed out mandatory Shogi promotions
6627 if(gameInfo.variant == VariantShogi) {
6628 if(piece >= BlackPawn) {
6629 if(toY == 0 && piece == BlackPawn ||
6630 toY == 0 && piece == BlackQueen ||
6631 toY <= 1 && piece == BlackKnight) {
6636 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6637 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6638 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6645 // weed out obviously illegal Pawn moves
6646 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6647 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6648 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6649 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6650 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6651 // note we are not allowed to test for valid (non-)capture, due to premove
6654 // we either have a choice what to promote to, or (in Shogi) whether to promote
6655 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6656 gameInfo.variant == VariantMakruk) {
6657 ChessSquare p=BlackFerz; // no choice
6658 while(p < EmptySquare) { //but make sure we use piece that exists
6659 *promoChoice = PieceToChar(p++);
6660 if(*promoChoice != '.') break;
6664 // no sense asking what we must promote to if it is going to explode...
6665 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6666 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6669 // give caller the default choice even if we will not make it
6670 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6671 partner = piece; // pieces can promote if the pieceToCharTable says so
6672 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6673 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6674 if( sweepSelect && gameInfo.variant != VariantGreat
6675 && gameInfo.variant != VariantGrand
6676 && gameInfo.variant != VariantSuper) return FALSE;
6677 if(autoQueen) return FALSE; // predetermined
6679 // suppress promotion popup on illegal moves that are not premoves
6680 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6681 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6682 if(appData.testLegality && !premove) {
6683 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6684 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6685 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6686 if(moveType != WhitePromotion && moveType != BlackPromotion)
6694 InPalace (int row, int column)
6695 { /* [HGM] for Xiangqi */
6696 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6697 column < (BOARD_WIDTH + 4)/2 &&
6698 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6703 PieceForSquare (int x, int y)
6705 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6708 return boards[currentMove][y][x];
6712 OKToStartUserMove (int x, int y)
6714 ChessSquare from_piece;
6717 if (matchMode) return FALSE;
6718 if (gameMode == EditPosition) return TRUE;
6720 if (x >= 0 && y >= 0)
6721 from_piece = boards[currentMove][y][x];
6723 from_piece = EmptySquare;
6725 if (from_piece == EmptySquare) return FALSE;
6727 white_piece = (int)from_piece >= (int)WhitePawn &&
6728 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6732 case TwoMachinesPlay:
6740 case MachinePlaysWhite:
6741 case IcsPlayingBlack:
6742 if (appData.zippyPlay) return FALSE;
6744 DisplayMoveError(_("You are playing Black"));
6749 case MachinePlaysBlack:
6750 case IcsPlayingWhite:
6751 if (appData.zippyPlay) return FALSE;
6753 DisplayMoveError(_("You are playing White"));
6758 case PlayFromGameFile:
6759 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6761 if (!white_piece && WhiteOnMove(currentMove)) {
6762 DisplayMoveError(_("It is White's turn"));
6765 if (white_piece && !WhiteOnMove(currentMove)) {
6766 DisplayMoveError(_("It is Black's turn"));
6769 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6770 /* Editing correspondence game history */
6771 /* Could disallow this or prompt for confirmation */
6776 case BeginningOfGame:
6777 if (appData.icsActive) return FALSE;
6778 if (!appData.noChessProgram) {
6780 DisplayMoveError(_("You are playing White"));
6787 if (!white_piece && WhiteOnMove(currentMove)) {
6788 DisplayMoveError(_("It is White's turn"));
6791 if (white_piece && !WhiteOnMove(currentMove)) {
6792 DisplayMoveError(_("It is Black's turn"));
6801 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6802 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6803 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6804 && gameMode != AnalyzeFile && gameMode != Training) {
6805 DisplayMoveError(_("Displayed position is not current"));
6812 OnlyMove (int *x, int *y, Boolean captures)
6814 DisambiguateClosure cl;
6815 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6817 case MachinePlaysBlack:
6818 case IcsPlayingWhite:
6819 case BeginningOfGame:
6820 if(!WhiteOnMove(currentMove)) return FALSE;
6822 case MachinePlaysWhite:
6823 case IcsPlayingBlack:
6824 if(WhiteOnMove(currentMove)) return FALSE;
6831 cl.pieceIn = EmptySquare;
6836 cl.promoCharIn = NULLCHAR;
6837 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6838 if( cl.kind == NormalMove ||
6839 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6840 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6841 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6848 if(cl.kind != ImpossibleMove) return FALSE;
6849 cl.pieceIn = EmptySquare;
6854 cl.promoCharIn = NULLCHAR;
6855 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6856 if( cl.kind == NormalMove ||
6857 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6858 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6859 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6864 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6870 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6871 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6872 int lastLoadGameUseList = FALSE;
6873 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6874 ChessMove lastLoadGameStart = EndOfFile;
6876 Boolean addToBookFlag;
6879 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6883 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6885 /* Check if the user is playing in turn. This is complicated because we
6886 let the user "pick up" a piece before it is his turn. So the piece he
6887 tried to pick up may have been captured by the time he puts it down!
6888 Therefore we use the color the user is supposed to be playing in this
6889 test, not the color of the piece that is currently on the starting
6890 square---except in EditGame mode, where the user is playing both
6891 sides; fortunately there the capture race can't happen. (It can
6892 now happen in IcsExamining mode, but that's just too bad. The user
6893 will get a somewhat confusing message in that case.)
6898 case TwoMachinesPlay:
6902 /* We switched into a game mode where moves are not accepted,
6903 perhaps while the mouse button was down. */
6906 case MachinePlaysWhite:
6907 /* User is moving for Black */
6908 if (WhiteOnMove(currentMove)) {
6909 DisplayMoveError(_("It is White's turn"));
6914 case MachinePlaysBlack:
6915 /* User is moving for White */
6916 if (!WhiteOnMove(currentMove)) {
6917 DisplayMoveError(_("It is Black's turn"));
6922 case PlayFromGameFile:
6923 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6926 case BeginningOfGame:
6929 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6930 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6931 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6932 /* User is moving for Black */
6933 if (WhiteOnMove(currentMove)) {
6934 DisplayMoveError(_("It is White's turn"));
6938 /* User is moving for White */
6939 if (!WhiteOnMove(currentMove)) {
6940 DisplayMoveError(_("It is Black's turn"));
6946 case IcsPlayingBlack:
6947 /* User is moving for Black */
6948 if (WhiteOnMove(currentMove)) {
6949 if (!appData.premove) {
6950 DisplayMoveError(_("It is White's turn"));
6951 } else if (toX >= 0 && toY >= 0) {
6954 premoveFromX = fromX;
6955 premoveFromY = fromY;
6956 premovePromoChar = promoChar;
6958 if (appData.debugMode)
6959 fprintf(debugFP, "Got premove: fromX %d,"
6960 "fromY %d, toX %d, toY %d\n",
6961 fromX, fromY, toX, toY);
6967 case IcsPlayingWhite:
6968 /* User is moving for White */
6969 if (!WhiteOnMove(currentMove)) {
6970 if (!appData.premove) {
6971 DisplayMoveError(_("It is Black's turn"));
6972 } else if (toX >= 0 && toY >= 0) {
6975 premoveFromX = fromX;
6976 premoveFromY = fromY;
6977 premovePromoChar = promoChar;
6979 if (appData.debugMode)
6980 fprintf(debugFP, "Got premove: fromX %d,"
6981 "fromY %d, toX %d, toY %d\n",
6982 fromX, fromY, toX, toY);
6992 /* EditPosition, empty square, or different color piece;
6993 click-click move is possible */
6994 if (toX == -2 || toY == -2) {
6995 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
6996 DrawPosition(FALSE, boards[currentMove]);
6998 } else if (toX >= 0 && toY >= 0) {
6999 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7000 ChessSquare q, p = boards[0][rf][ff];
7001 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
7002 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
7003 else p = CHUDEMOTED (q = boards[0][rf][ff]);
7004 if(PieceToChar(q) == '+') gatingPiece = p;
7006 boards[0][toY][toX] = boards[0][fromY][fromX];
7007 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7008 if(boards[0][fromY][0] != EmptySquare) {
7009 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7010 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7013 if(fromX == BOARD_RGHT+1) {
7014 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7015 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7016 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7019 boards[0][fromY][fromX] = gatingPiece;
7020 DrawPosition(FALSE, boards[currentMove]);
7026 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7027 pup = boards[currentMove][toY][toX];
7029 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7030 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7031 if( pup != EmptySquare ) return;
7032 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7033 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7034 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7035 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7036 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7037 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7038 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7042 /* [HGM] always test for legality, to get promotion info */
7043 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7044 fromY, fromX, toY, toX, promoChar);
7046 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7048 /* [HGM] but possibly ignore an IllegalMove result */
7049 if (appData.testLegality) {
7050 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7051 DisplayMoveError(_("Illegal move"));
7056 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7057 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7058 ClearPremoveHighlights(); // was included
7059 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7063 if(addToBookFlag) { // adding moves to book
7064 char buf[MSG_SIZ], move[MSG_SIZ];
7065 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7066 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');
7067 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7069 addToBookFlag = FALSE;
7074 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7077 /* Common tail of UserMoveEvent and DropMenuEvent */
7079 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7083 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7084 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7085 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7086 if(WhiteOnMove(currentMove)) {
7087 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7089 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7093 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7094 move type in caller when we know the move is a legal promotion */
7095 if(moveType == NormalMove && promoChar)
7096 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7098 /* [HGM] <popupFix> The following if has been moved here from
7099 UserMoveEvent(). Because it seemed to belong here (why not allow
7100 piece drops in training games?), and because it can only be
7101 performed after it is known to what we promote. */
7102 if (gameMode == Training) {
7103 /* compare the move played on the board to the next move in the
7104 * game. If they match, display the move and the opponent's response.
7105 * If they don't match, display an error message.
7109 CopyBoard(testBoard, boards[currentMove]);
7110 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7112 if (CompareBoards(testBoard, boards[currentMove+1])) {
7113 ForwardInner(currentMove+1);
7115 /* Autoplay the opponent's response.
7116 * if appData.animate was TRUE when Training mode was entered,
7117 * the response will be animated.
7119 saveAnimate = appData.animate;
7120 appData.animate = animateTraining;
7121 ForwardInner(currentMove+1);
7122 appData.animate = saveAnimate;
7124 /* check for the end of the game */
7125 if (currentMove >= forwardMostMove) {
7126 gameMode = PlayFromGameFile;
7128 SetTrainingModeOff();
7129 DisplayInformation(_("End of game"));
7132 DisplayError(_("Incorrect move"), 0);
7137 /* Ok, now we know that the move is good, so we can kill
7138 the previous line in Analysis Mode */
7139 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7140 && currentMove < forwardMostMove) {
7141 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7142 else forwardMostMove = currentMove;
7147 /* If we need the chess program but it's dead, restart it */
7148 ResurrectChessProgram();
7150 /* A user move restarts a paused game*/
7154 thinkOutput[0] = NULLCHAR;
7156 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7158 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7159 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7163 if (gameMode == BeginningOfGame) {
7164 if (appData.noChessProgram) {
7165 gameMode = EditGame;
7169 gameMode = MachinePlaysBlack;
7172 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7174 if (first.sendName) {
7175 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7176 SendToProgram(buf, &first);
7183 /* Relay move to ICS or chess engine */
7184 if (appData.icsActive) {
7185 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7186 gameMode == IcsExamining) {
7187 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7188 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7190 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7192 // also send plain move, in case ICS does not understand atomic claims
7193 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7197 if (first.sendTime && (gameMode == BeginningOfGame ||
7198 gameMode == MachinePlaysWhite ||
7199 gameMode == MachinePlaysBlack)) {
7200 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7202 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7203 // [HGM] book: if program might be playing, let it use book
7204 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7205 first.maybeThinking = TRUE;
7206 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7207 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7208 SendBoard(&first, currentMove+1);
7209 if(second.analyzing) {
7210 if(!second.useSetboard) SendToProgram("undo\n", &second);
7211 SendBoard(&second, currentMove+1);
7214 SendMoveToProgram(forwardMostMove-1, &first);
7215 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7217 if (currentMove == cmailOldMove + 1) {
7218 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7222 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7226 if(appData.testLegality)
7227 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7233 if (WhiteOnMove(currentMove)) {
7234 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7236 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7240 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7245 case MachinePlaysBlack:
7246 case MachinePlaysWhite:
7247 /* disable certain menu options while machine is thinking */
7248 SetMachineThinkingEnables();
7255 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7256 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7258 if(bookHit) { // [HGM] book: simulate book reply
7259 static char bookMove[MSG_SIZ]; // a bit generous?
7261 programStats.nodes = programStats.depth = programStats.time =
7262 programStats.score = programStats.got_only_move = 0;
7263 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7265 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7266 strcat(bookMove, bookHit);
7267 HandleMachineMove(bookMove, &first);
7273 MarkByFEN(char *fen)
7276 if(!appData.markers || !appData.highlightDragging) return;
7277 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7278 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7282 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7283 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7284 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7285 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7286 if(*fen == 'T') marker[r][f++] = 0; else
7287 if(*fen == 'Y') marker[r][f++] = 1; else
7288 if(*fen == 'G') marker[r][f++] = 3; else
7289 if(*fen == 'B') marker[r][f++] = 4; else
7290 if(*fen == 'C') marker[r][f++] = 5; else
7291 if(*fen == 'M') marker[r][f++] = 6; else
7292 if(*fen == 'W') marker[r][f++] = 7; else
7293 if(*fen == 'D') marker[r][f++] = 8; else
7294 if(*fen == 'R') marker[r][f++] = 2; else {
7295 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7298 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7302 DrawPosition(TRUE, NULL);
7305 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7308 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7310 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7311 Markers *m = (Markers *) closure;
7312 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7313 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7314 || kind == WhiteCapturesEnPassant
7315 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1;
7316 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
7319 static int hoverSavedValid;
7322 MarkTargetSquares (int clear)
7325 if(clear) { // no reason to ever suppress clearing
7326 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7327 hoverSavedValid = 0;
7328 if(!sum) return; // nothing was cleared,no redraw needed
7331 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7332 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7333 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7334 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7335 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7337 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7340 DrawPosition(FALSE, NULL);
7344 Explode (Board board, int fromX, int fromY, int toX, int toY)
7346 if(gameInfo.variant == VariantAtomic &&
7347 (board[toY][toX] != EmptySquare || // capture?
7348 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7349 board[fromY][fromX] == BlackPawn )
7351 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7357 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7360 CanPromote (ChessSquare piece, int y)
7362 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7363 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7364 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7365 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7366 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7367 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7368 gameInfo.variant == VariantMakruk) return FALSE;
7369 return (piece == BlackPawn && y <= zone ||
7370 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7371 piece == BlackLance && y <= zone ||
7372 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7376 HoverEvent (int xPix, int yPix, int x, int y)
7378 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7380 if(!first.highlight) return;
7381 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7382 if(x == oldX && y == oldY) return; // only do something if we enter new square
7383 oldFromX = fromX; oldFromY = fromY;
7384 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7385 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7386 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7387 hoverSavedValid = 1;
7388 } else if(oldX != x || oldY != y) {
7389 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7390 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7391 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7392 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7393 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7395 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7396 SendToProgram(buf, &first);
7399 // SetHighlights(fromX, fromY, x, y);
7403 void ReportClick(char *action, int x, int y)
7405 char buf[MSG_SIZ]; // Inform engine of what user does
7407 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7408 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7409 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7410 if(!first.highlight || gameMode == EditPosition) return;
7411 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7412 SendToProgram(buf, &first);
7415 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7418 LeftClick (ClickType clickType, int xPix, int yPix)
7421 Boolean saveAnimate;
7422 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7423 char promoChoice = NULLCHAR;
7425 static TimeMark lastClickTime, prevClickTime;
7427 x = EventToSquare(xPix, BOARD_WIDTH);
7428 y = EventToSquare(yPix, BOARD_HEIGHT);
7429 if (!flipView && y >= 0) {
7430 y = BOARD_HEIGHT - 1 - y;
7432 if (flipView && x >= 0) {
7433 x = BOARD_WIDTH - 1 - x;
7436 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7438 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7443 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7445 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7447 if (clickType == Press) ErrorPopDown();
7448 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7450 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7451 defaultPromoChoice = promoSweep;
7452 promoSweep = EmptySquare; // terminate sweep
7453 promoDefaultAltered = TRUE;
7454 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7457 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7458 if(clickType == Release) return; // ignore upclick of click-click destination
7459 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7460 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7461 if(gameInfo.holdingsWidth &&
7462 (WhiteOnMove(currentMove)
7463 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7464 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7465 // click in right holdings, for determining promotion piece
7466 ChessSquare p = boards[currentMove][y][x];
7467 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7468 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7469 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7470 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7475 DrawPosition(FALSE, boards[currentMove]);
7479 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7480 if(clickType == Press
7481 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7482 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7483 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7486 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7487 // could be static click on premove from-square: abort premove
7489 ClearPremoveHighlights();
7492 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7493 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7495 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7496 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7497 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7498 defaultPromoChoice = DefaultPromoChoice(side);
7501 autoQueen = appData.alwaysPromoteToQueen;
7505 gatingPiece = EmptySquare;
7506 if (clickType != Press) {
7507 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7508 DragPieceEnd(xPix, yPix); dragging = 0;
7509 DrawPosition(FALSE, NULL);
7513 doubleClick = FALSE;
7514 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7515 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7517 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7518 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7519 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7520 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7522 if (OKToStartUserMove(fromX, fromY)) {
7524 ReportClick("lift", x, y);
7525 MarkTargetSquares(0);
7526 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7527 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7528 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7529 promoSweep = defaultPromoChoice;
7530 selectFlag = 0; lastX = xPix; lastY = yPix;
7531 Sweep(0); // Pawn that is going to promote: preview promotion piece
7532 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7534 if (appData.highlightDragging) {
7535 SetHighlights(fromX, fromY, -1, -1);
7539 } else fromX = fromY = -1;
7543 printf("to click %d,%d\n",x,y);
7545 if (clickType == Press && gameMode != EditPosition) {
7550 // ignore off-board to clicks
7551 if(y < 0 || x < 0) return;
7553 /* Check if clicking again on the same color piece */
7554 fromP = boards[currentMove][fromY][fromX];
7555 toP = boards[currentMove][y][x];
7556 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7557 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7558 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7559 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7560 WhitePawn <= toP && toP <= WhiteKing &&
7561 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7562 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7563 (BlackPawn <= fromP && fromP <= BlackKing &&
7564 BlackPawn <= toP && toP <= BlackKing &&
7565 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7566 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7567 /* Clicked again on same color piece -- changed his mind */
7568 second = (x == fromX && y == fromY);
7570 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7571 second = FALSE; // first double-click rather than scond click
7572 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7574 promoDefaultAltered = FALSE;
7575 MarkTargetSquares(1);
7576 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7577 if (appData.highlightDragging) {
7578 SetHighlights(x, y, -1, -1);
7582 if (OKToStartUserMove(x, y)) {
7583 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7584 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7585 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7586 gatingPiece = boards[currentMove][fromY][fromX];
7587 else gatingPiece = doubleClick ? fromP : EmptySquare;
7589 fromY = y; dragging = 1;
7590 if(!second) ReportClick("lift", x, y);
7591 MarkTargetSquares(0);
7592 DragPieceBegin(xPix, yPix, FALSE);
7593 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7594 promoSweep = defaultPromoChoice;
7595 selectFlag = 0; lastX = xPix; lastY = yPix;
7596 Sweep(0); // Pawn that is going to promote: preview promotion piece
7600 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7603 // ignore clicks on holdings
7604 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7606 printf("A type=%d\n",clickType);
7608 if(x == fromX && y == fromY && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7609 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7613 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7614 DragPieceEnd(xPix, yPix); dragging = 0;
7616 // a deferred attempt to click-click move an empty square on top of a piece
7617 boards[currentMove][y][x] = EmptySquare;
7619 DrawPosition(FALSE, boards[currentMove]);
7620 fromX = fromY = -1; clearFlag = 0;
7623 if (appData.animateDragging) {
7624 /* Undo animation damage if any */
7625 DrawPosition(FALSE, NULL);
7628 /* Second up/down in same square; just abort move */
7631 gatingPiece = EmptySquare;
7632 MarkTargetSquares(1);
7635 ClearPremoveHighlights();
7637 /* First upclick in same square; start click-click mode */
7638 SetHighlights(x, y, -1, -1);
7645 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7646 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7647 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7648 DisplayMessage(_("only marked squares are legal"),"");
7649 DrawPosition(TRUE, NULL);
7650 return; // ignore to-click
7652 printf("(%d,%d)-(%d,%d) %d %d\n",fromX,fromY,toX,toY,x,y);
7653 /* we now have a different from- and (possibly off-board) to-square */
7654 /* Completed move */
7655 if(!sweepSelecting) {
7660 piece = boards[currentMove][fromY][fromX];
7662 saveAnimate = appData.animate;
7663 if (clickType == Press) {
7664 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7665 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7666 // must be Edit Position mode with empty-square selected
7667 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7668 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7671 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7674 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7675 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7677 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7678 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7679 if(appData.sweepSelect) {
7680 promoSweep = defaultPromoChoice;
7681 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7682 selectFlag = 0; lastX = xPix; lastY = yPix;
7683 Sweep(0); // Pawn that is going to promote: preview promotion piece
7685 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7686 MarkTargetSquares(1);
7688 return; // promo popup appears on up-click
7690 /* Finish clickclick move */
7691 if (appData.animate || appData.highlightLastMove) {
7692 SetHighlights(fromX, fromY, toX, toY);
7696 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7697 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7698 if (appData.animate || appData.highlightLastMove) {
7699 SetHighlights(fromX, fromY, toX, toY);
7705 // [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
7706 /* Finish drag move */
7707 if (appData.highlightLastMove) {
7708 SetHighlights(fromX, fromY, toX, toY);
7713 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7714 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7715 dragging *= 2; // flag button-less dragging if we are dragging
7716 MarkTargetSquares(1);
7717 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7719 kill2X = killX; kill2Y = killY;
7720 killX = x; killY = y; //remeber this square as intermediate
7721 ReportClick("put", x, y); // and inform engine
7722 ReportClick("lift", x, y);
7723 MarkTargetSquares(0);
7727 DragPieceEnd(xPix, yPix); dragging = 0;
7728 /* Don't animate move and drag both */
7729 appData.animate = FALSE;
7732 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7733 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7734 ChessSquare piece = boards[currentMove][fromY][fromX];
7735 if(gameMode == EditPosition && piece != EmptySquare &&
7736 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7739 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7740 n = PieceToNumber(piece - (int)BlackPawn);
7741 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7742 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7743 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7745 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7746 n = PieceToNumber(piece);
7747 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7748 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7749 boards[currentMove][n][BOARD_WIDTH-2]++;
7751 boards[currentMove][fromY][fromX] = EmptySquare;
7755 MarkTargetSquares(1);
7756 DrawPosition(TRUE, boards[currentMove]);
7760 // off-board moves should not be highlighted
7761 if(x < 0 || y < 0) ClearHighlights();
7762 else ReportClick("put", x, y);
7764 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7766 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7768 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7769 SetHighlights(fromX, fromY, toX, toY);
7770 MarkTargetSquares(1);
7771 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7772 // [HGM] super: promotion to captured piece selected from holdings
7773 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7774 promotionChoice = TRUE;
7775 // kludge follows to temporarily execute move on display, without promoting yet
7776 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7777 boards[currentMove][toY][toX] = p;
7778 DrawPosition(FALSE, boards[currentMove]);
7779 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7780 boards[currentMove][toY][toX] = q;
7781 DisplayMessage("Click in holdings to choose piece", "");
7784 PromotionPopUp(promoChoice);
7786 int oldMove = currentMove;
7787 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7788 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7789 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7790 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7791 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7792 DrawPosition(TRUE, boards[currentMove]);
7793 MarkTargetSquares(1);
7796 appData.animate = saveAnimate;
7797 if (appData.animate || appData.animateDragging) {
7798 /* Undo animation damage if needed */
7799 DrawPosition(FALSE, NULL);
7804 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7805 { // front-end-free part taken out of PieceMenuPopup
7806 int whichMenu; int xSqr, ySqr;
7808 if(seekGraphUp) { // [HGM] seekgraph
7809 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7810 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7814 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7815 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7816 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7817 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7818 if(action == Press) {
7819 originalFlip = flipView;
7820 flipView = !flipView; // temporarily flip board to see game from partners perspective
7821 DrawPosition(TRUE, partnerBoard);
7822 DisplayMessage(partnerStatus, "");
7824 } else if(action == Release) {
7825 flipView = originalFlip;
7826 DrawPosition(TRUE, boards[currentMove]);
7832 xSqr = EventToSquare(x, BOARD_WIDTH);
7833 ySqr = EventToSquare(y, BOARD_HEIGHT);
7834 if (action == Release) {
7835 if(pieceSweep != EmptySquare) {
7836 EditPositionMenuEvent(pieceSweep, toX, toY);
7837 pieceSweep = EmptySquare;
7838 } else UnLoadPV(); // [HGM] pv
7840 if (action != Press) return -2; // return code to be ignored
7843 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7845 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7846 if (xSqr < 0 || ySqr < 0) return -1;
7847 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7848 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7849 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7850 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7854 if(!appData.icsEngineAnalyze) return -1;
7855 case IcsPlayingWhite:
7856 case IcsPlayingBlack:
7857 if(!appData.zippyPlay) goto noZip;
7860 case MachinePlaysWhite:
7861 case MachinePlaysBlack:
7862 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7863 if (!appData.dropMenu) {
7865 return 2; // flag front-end to grab mouse events
7867 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7868 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7871 if (xSqr < 0 || ySqr < 0) return -1;
7872 if (!appData.dropMenu || appData.testLegality &&
7873 gameInfo.variant != VariantBughouse &&
7874 gameInfo.variant != VariantCrazyhouse) return -1;
7875 whichMenu = 1; // drop menu
7881 if (((*fromX = xSqr) < 0) ||
7882 ((*fromY = ySqr) < 0)) {
7883 *fromX = *fromY = -1;
7887 *fromX = BOARD_WIDTH - 1 - *fromX;
7889 *fromY = BOARD_HEIGHT - 1 - *fromY;
7895 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7897 // char * hint = lastHint;
7898 FrontEndProgramStats stats;
7900 stats.which = cps == &first ? 0 : 1;
7901 stats.depth = cpstats->depth;
7902 stats.nodes = cpstats->nodes;
7903 stats.score = cpstats->score;
7904 stats.time = cpstats->time;
7905 stats.pv = cpstats->movelist;
7906 stats.hint = lastHint;
7907 stats.an_move_index = 0;
7908 stats.an_move_count = 0;
7910 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7911 stats.hint = cpstats->move_name;
7912 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7913 stats.an_move_count = cpstats->nr_moves;
7916 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
7918 SetProgramStats( &stats );
7922 ClearEngineOutputPane (int which)
7924 static FrontEndProgramStats dummyStats;
7925 dummyStats.which = which;
7926 dummyStats.pv = "#";
7927 SetProgramStats( &dummyStats );
7930 #define MAXPLAYERS 500
7933 TourneyStandings (int display)
7935 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7936 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7937 char result, *p, *names[MAXPLAYERS];
7939 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7940 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7941 names[0] = p = strdup(appData.participants);
7942 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7944 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7946 while(result = appData.results[nr]) {
7947 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7948 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7949 wScore = bScore = 0;
7951 case '+': wScore = 2; break;
7952 case '-': bScore = 2; break;
7953 case '=': wScore = bScore = 1; break;
7955 case '*': return strdup("busy"); // tourney not finished
7963 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7964 for(w=0; w<nPlayers; w++) {
7966 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7967 ranking[w] = b; points[w] = bScore; score[b] = -2;
7969 p = malloc(nPlayers*34+1);
7970 for(w=0; w<nPlayers && w<display; w++)
7971 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7977 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7978 { // count all piece types
7980 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7981 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7982 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7985 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7986 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7987 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7988 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7989 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7990 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7995 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7997 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7998 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8000 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8001 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8002 if(myPawns == 2 && nMine == 3) // KPP
8003 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8004 if(myPawns == 1 && nMine == 2) // KP
8005 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8006 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8007 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8008 if(myPawns) return FALSE;
8009 if(pCnt[WhiteRook+side])
8010 return pCnt[BlackRook-side] ||
8011 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8012 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8013 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8014 if(pCnt[WhiteCannon+side]) {
8015 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8016 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8018 if(pCnt[WhiteKnight+side])
8019 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8024 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8026 VariantClass v = gameInfo.variant;
8028 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8029 if(v == VariantShatranj) return TRUE; // always winnable through baring
8030 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8031 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8033 if(v == VariantXiangqi) {
8034 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8036 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8037 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8038 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8039 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8040 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8041 if(stale) // we have at least one last-rank P plus perhaps C
8042 return majors // KPKX
8043 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8045 return pCnt[WhiteFerz+side] // KCAK
8046 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8047 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8048 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8050 } else if(v == VariantKnightmate) {
8051 if(nMine == 1) return FALSE;
8052 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8053 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8054 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8056 if(nMine == 1) return FALSE; // bare King
8057 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
8058 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8059 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8060 // by now we have King + 1 piece (or multiple Bishops on the same color)
8061 if(pCnt[WhiteKnight+side])
8062 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8063 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8064 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8066 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8067 if(pCnt[WhiteAlfil+side])
8068 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8069 if(pCnt[WhiteWazir+side])
8070 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8077 CompareWithRights (Board b1, Board b2)
8080 if(!CompareBoards(b1, b2)) return FALSE;
8081 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8082 /* compare castling rights */
8083 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8084 rights++; /* King lost rights, while rook still had them */
8085 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8086 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8087 rights++; /* but at least one rook lost them */
8089 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8091 if( b1[CASTLING][5] != NoRights ) {
8092 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8099 Adjudicate (ChessProgramState *cps)
8100 { // [HGM] some adjudications useful with buggy engines
8101 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8102 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8103 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8104 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8105 int k, drop, count = 0; static int bare = 1;
8106 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8107 Boolean canAdjudicate = !appData.icsActive;
8109 // most tests only when we understand the game, i.e. legality-checking on
8110 if( appData.testLegality )
8111 { /* [HGM] Some more adjudications for obstinate engines */
8112 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8113 static int moveCount = 6;
8115 char *reason = NULL;
8117 /* Count what is on board. */
8118 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8120 /* Some material-based adjudications that have to be made before stalemate test */
8121 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8122 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8123 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8124 if(canAdjudicate && appData.checkMates) {
8126 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8127 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8128 "Xboard adjudication: King destroyed", GE_XBOARD );
8133 /* Bare King in Shatranj (loses) or Losers (wins) */
8134 if( nrW == 1 || nrB == 1) {
8135 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8136 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8137 if(canAdjudicate && appData.checkMates) {
8139 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8140 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8141 "Xboard adjudication: Bare king", GE_XBOARD );
8145 if( gameInfo.variant == VariantShatranj && --bare < 0)
8147 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8148 if(canAdjudicate && appData.checkMates) {
8149 /* but only adjudicate if adjudication enabled */
8151 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8152 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8153 "Xboard adjudication: Bare king", GE_XBOARD );
8160 // don't wait for engine to announce game end if we can judge ourselves
8161 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8163 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8164 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8165 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8166 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8169 reason = "Xboard adjudication: 3rd check";
8170 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8181 reason = "Xboard adjudication: Stalemate";
8182 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8183 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8184 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8185 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8186 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8187 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8188 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8189 EP_CHECKMATE : EP_WINS);
8190 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8191 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8195 reason = "Xboard adjudication: Checkmate";
8196 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8197 if(gameInfo.variant == VariantShogi) {
8198 if(forwardMostMove > backwardMostMove
8199 && moveList[forwardMostMove-1][1] == '@'
8200 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8201 reason = "XBoard adjudication: pawn-drop mate";
8202 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8208 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8210 result = GameIsDrawn; break;
8212 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8214 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8218 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8220 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8221 GameEnds( result, reason, GE_XBOARD );
8225 /* Next absolutely insufficient mating material. */
8226 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8227 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8228 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8230 /* always flag draws, for judging claims */
8231 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8233 if(canAdjudicate && appData.materialDraws) {
8234 /* but only adjudicate them if adjudication enabled */
8235 if(engineOpponent) {
8236 SendToProgram("force\n", engineOpponent); // suppress reply
8237 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8239 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8244 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8245 if(gameInfo.variant == VariantXiangqi ?
8246 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8248 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8249 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8250 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8251 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8253 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8254 { /* if the first 3 moves do not show a tactical win, declare draw */
8255 if(engineOpponent) {
8256 SendToProgram("force\n", engineOpponent); // suppress reply
8257 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8259 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8262 } else moveCount = 6;
8265 // Repetition draws and 50-move rule can be applied independently of legality testing
8267 /* Check for rep-draws */
8269 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8270 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8271 for(k = forwardMostMove-2;
8272 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8273 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8274 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8277 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8278 /* compare castling rights */
8279 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8280 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8281 rights++; /* King lost rights, while rook still had them */
8282 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8283 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8284 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8285 rights++; /* but at least one rook lost them */
8287 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8288 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8290 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8291 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8292 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8295 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8296 && appData.drawRepeats > 1) {
8297 /* adjudicate after user-specified nr of repeats */
8298 int result = GameIsDrawn;
8299 char *details = "XBoard adjudication: repetition draw";
8300 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8301 // [HGM] xiangqi: check for forbidden perpetuals
8302 int m, ourPerpetual = 1, hisPerpetual = 1;
8303 for(m=forwardMostMove; m>k; m-=2) {
8304 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8305 ourPerpetual = 0; // the current mover did not always check
8306 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8307 hisPerpetual = 0; // the opponent did not always check
8309 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8310 ourPerpetual, hisPerpetual);
8311 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8312 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8313 details = "Xboard adjudication: perpetual checking";
8315 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8316 break; // (or we would have caught him before). Abort repetition-checking loop.
8318 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8319 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8321 details = "Xboard adjudication: repetition";
8323 } else // it must be XQ
8324 // Now check for perpetual chases
8325 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8326 hisPerpetual = PerpetualChase(k, forwardMostMove);
8327 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8328 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8329 static char resdet[MSG_SIZ];
8330 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8332 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8334 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8335 break; // Abort repetition-checking loop.
8337 // if neither of us is checking or chasing all the time, or both are, it is draw
8339 if(engineOpponent) {
8340 SendToProgram("force\n", engineOpponent); // suppress reply
8341 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8343 GameEnds( result, details, GE_XBOARD );
8346 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8347 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8351 /* Now we test for 50-move draws. Determine ply count */
8352 count = forwardMostMove;
8353 /* look for last irreversble move */
8354 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8356 /* if we hit starting position, add initial plies */
8357 if( count == backwardMostMove )
8358 count -= initialRulePlies;
8359 count = forwardMostMove - count;
8360 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8361 // adjust reversible move counter for checks in Xiangqi
8362 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8363 if(i < backwardMostMove) i = backwardMostMove;
8364 while(i <= forwardMostMove) {
8365 lastCheck = inCheck; // check evasion does not count
8366 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8367 if(inCheck || lastCheck) count--; // check does not count
8372 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8373 /* this is used to judge if draw claims are legal */
8374 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8375 if(engineOpponent) {
8376 SendToProgram("force\n", engineOpponent); // suppress reply
8377 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8379 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8383 /* if draw offer is pending, treat it as a draw claim
8384 * when draw condition present, to allow engines a way to
8385 * claim draws before making their move to avoid a race
8386 * condition occurring after their move
8388 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8390 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8391 p = "Draw claim: 50-move rule";
8392 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8393 p = "Draw claim: 3-fold repetition";
8394 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8395 p = "Draw claim: insufficient mating material";
8396 if( p != NULL && canAdjudicate) {
8397 if(engineOpponent) {
8398 SendToProgram("force\n", engineOpponent); // suppress reply
8399 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8401 GameEnds( GameIsDrawn, p, GE_XBOARD );
8406 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8407 if(engineOpponent) {
8408 SendToProgram("force\n", engineOpponent); // suppress reply
8409 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8411 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8417 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8418 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8419 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8424 int pieces[10], squares[10], cnt=0, r, f, res;
8426 static PPROBE_EGBB probeBB;
8427 if(!appData.testLegality) return 10;
8428 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8429 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8430 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8431 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8432 ChessSquare piece = boards[forwardMostMove][r][f];
8433 int black = (piece >= BlackPawn);
8434 int type = piece - black*BlackPawn;
8435 if(piece == EmptySquare) continue;
8436 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8437 if(type == WhiteKing) type = WhiteQueen + 1;
8438 type = egbbCode[type];
8439 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8440 pieces[cnt] = type + black*6;
8441 if(++cnt > 5) return 11;
8443 pieces[cnt] = squares[cnt] = 0;
8445 if(loaded == 2) return 13; // loading failed before
8447 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8450 loaded = 2; // prepare for failure
8451 if(!path) return 13; // no egbb installed
8452 strncpy(buf, path + 8, MSG_SIZ);
8453 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8454 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8455 lib = LoadLibrary(buf);
8456 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8457 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8458 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8459 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8460 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8461 loaded = 1; // success!
8463 res = probeBB(forwardMostMove & 1, pieces, squares);
8464 return res > 0 ? 1 : res < 0 ? -1 : 0;
8468 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8469 { // [HGM] book: this routine intercepts moves to simulate book replies
8470 char *bookHit = NULL;
8472 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8474 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8475 SendToProgram(buf, cps);
8477 //first determine if the incoming move brings opponent into his book
8478 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8479 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8480 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8481 if(bookHit != NULL && !cps->bookSuspend) {
8482 // make sure opponent is not going to reply after receiving move to book position
8483 SendToProgram("force\n", cps);
8484 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8486 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8487 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8488 // now arrange restart after book miss
8490 // after a book hit we never send 'go', and the code after the call to this routine
8491 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8492 char buf[MSG_SIZ], *move = bookHit;
8494 int fromX, fromY, toX, toY;
8498 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8499 &fromX, &fromY, &toX, &toY, &promoChar)) {
8500 (void) CoordsToAlgebraic(boards[forwardMostMove],
8501 PosFlags(forwardMostMove),
8502 fromY, fromX, toY, toX, promoChar, move);
8504 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8508 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8509 SendToProgram(buf, cps);
8510 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8511 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8512 SendToProgram("go\n", cps);
8513 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8514 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8515 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8516 SendToProgram("go\n", cps);
8517 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8519 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8523 LoadError (char *errmess, ChessProgramState *cps)
8524 { // unloads engine and switches back to -ncp mode if it was first
8525 if(cps->initDone) return FALSE;
8526 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8527 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8530 appData.noChessProgram = TRUE;
8531 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8532 gameMode = BeginningOfGame; ModeHighlight();
8535 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8536 DisplayMessage("", ""); // erase waiting message
8537 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8542 ChessProgramState *savedState;
8544 DeferredBookMove (void)
8546 if(savedState->lastPing != savedState->lastPong)
8547 ScheduleDelayedEvent(DeferredBookMove, 10);
8549 HandleMachineMove(savedMessage, savedState);
8552 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8553 static ChessProgramState *stalledEngine;
8554 static char stashedInputMove[MSG_SIZ];
8557 HandleMachineMove (char *message, ChessProgramState *cps)
8559 static char firstLeg[20];
8560 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8561 char realname[MSG_SIZ];
8562 int fromX, fromY, toX, toY;
8564 char promoChar, roar;
8566 int machineWhite, oldError;
8569 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8570 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8571 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8572 DisplayError(_("Invalid pairing from pairing engine"), 0);
8575 pairingReceived = 1;
8577 return; // Skim the pairing messages here.
8580 oldError = cps->userError; cps->userError = 0;
8582 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8584 * Kludge to ignore BEL characters
8586 while (*message == '\007') message++;
8589 * [HGM] engine debug message: ignore lines starting with '#' character
8591 if(cps->debug && *message == '#') return;
8594 * Look for book output
8596 if (cps == &first && bookRequested) {
8597 if (message[0] == '\t' || message[0] == ' ') {
8598 /* Part of the book output is here; append it */
8599 strcat(bookOutput, message);
8600 strcat(bookOutput, " \n");
8602 } else if (bookOutput[0] != NULLCHAR) {
8603 /* All of book output has arrived; display it */
8604 char *p = bookOutput;
8605 while (*p != NULLCHAR) {
8606 if (*p == '\t') *p = ' ';
8609 DisplayInformation(bookOutput);
8610 bookRequested = FALSE;
8611 /* Fall through to parse the current output */
8616 * Look for machine move.
8618 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8619 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8621 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8622 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8623 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8624 stalledEngine = cps;
8625 if(appData.ponderNextMove) { // bring opponent out of ponder
8626 if(gameMode == TwoMachinesPlay) {
8627 if(cps->other->pause)
8628 PauseEngine(cps->other);
8630 SendToProgram("easy\n", cps->other);
8637 /* This method is only useful on engines that support ping */
8638 if (cps->lastPing != cps->lastPong) {
8639 if (gameMode == BeginningOfGame) {
8640 /* Extra move from before last new; ignore */
8641 if (appData.debugMode) {
8642 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8645 if (appData.debugMode) {
8646 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8647 cps->which, gameMode);
8650 SendToProgram("undo\n", cps);
8656 case BeginningOfGame:
8657 /* Extra move from before last reset; ignore */
8658 if (appData.debugMode) {
8659 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8666 /* Extra move after we tried to stop. The mode test is
8667 not a reliable way of detecting this problem, but it's
8668 the best we can do on engines that don't support ping.
8670 if (appData.debugMode) {
8671 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8672 cps->which, gameMode);
8674 SendToProgram("undo\n", cps);
8677 case MachinePlaysWhite:
8678 case IcsPlayingWhite:
8679 machineWhite = TRUE;
8682 case MachinePlaysBlack:
8683 case IcsPlayingBlack:
8684 machineWhite = FALSE;
8687 case TwoMachinesPlay:
8688 machineWhite = (cps->twoMachinesColor[0] == 'w');
8691 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8692 if (appData.debugMode) {
8694 "Ignoring move out of turn by %s, gameMode %d"
8695 ", forwardMost %d\n",
8696 cps->which, gameMode, forwardMostMove);
8701 if(cps->alphaRank) AlphaRank(machineMove, 4);
8703 // [HGM] lion: (some very limited) support for Alien protocol
8704 killX = killY = kill2X = kill2Y = -1;
8705 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8706 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8709 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8710 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8711 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8713 if(firstLeg[0]) { // there was a previous leg;
8714 // only support case where same piece makes two step
8715 char buf[20], *p = machineMove+1, *q = buf+1, f;
8716 safeStrCpy(buf, machineMove, 20);
8717 while(isdigit(*q)) q++; // find start of to-square
8718 safeStrCpy(machineMove, firstLeg, 20);
8719 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8720 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8721 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8722 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8723 firstLeg[0] = NULLCHAR;
8726 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8727 &fromX, &fromY, &toX, &toY, &promoChar)) {
8728 /* Machine move could not be parsed; ignore it. */
8729 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8730 machineMove, _(cps->which));
8731 DisplayMoveError(buf1);
8732 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8733 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8734 if (gameMode == TwoMachinesPlay) {
8735 GameEnds(machineWhite ? BlackWins : WhiteWins,
8741 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8742 /* So we have to redo legality test with true e.p. status here, */
8743 /* to make sure an illegal e.p. capture does not slip through, */
8744 /* to cause a forfeit on a justified illegal-move complaint */
8745 /* of the opponent. */
8746 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8748 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8749 fromY, fromX, toY, toX, promoChar);
8750 if(moveType == IllegalMove) {
8751 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8752 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8753 GameEnds(machineWhite ? BlackWins : WhiteWins,
8756 } else if(!appData.fischerCastling)
8757 /* [HGM] Kludge to handle engines that send FRC-style castling
8758 when they shouldn't (like TSCP-Gothic) */
8760 case WhiteASideCastleFR:
8761 case BlackASideCastleFR:
8763 currentMoveString[2]++;
8765 case WhiteHSideCastleFR:
8766 case BlackHSideCastleFR:
8768 currentMoveString[2]--;
8770 default: ; // nothing to do, but suppresses warning of pedantic compilers
8773 hintRequested = FALSE;
8774 lastHint[0] = NULLCHAR;
8775 bookRequested = FALSE;
8776 /* Program may be pondering now */
8777 cps->maybeThinking = TRUE;
8778 if (cps->sendTime == 2) cps->sendTime = 1;
8779 if (cps->offeredDraw) cps->offeredDraw--;
8781 /* [AS] Save move info*/
8782 pvInfoList[ forwardMostMove ].score = programStats.score;
8783 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8784 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8786 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8788 /* Test suites abort the 'game' after one move */
8789 if(*appData.finger) {
8791 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8792 if(!f) f = fopen(appData.finger, "w");
8793 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8794 else { DisplayFatalError("Bad output file", errno, 0); return; }
8796 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8799 if(solvingTime >= 0) {
8800 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8801 totalTime += solvingTime; first.matchWins++;
8803 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8806 OutputKibitz(2, buf1);
8807 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8810 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8811 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8814 while( count < adjudicateLossPlies ) {
8815 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8818 score = -score; /* Flip score for winning side */
8821 if( score > appData.adjudicateLossThreshold ) {
8828 if( count >= adjudicateLossPlies ) {
8829 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8831 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8832 "Xboard adjudication",
8839 if(Adjudicate(cps)) {
8840 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8841 return; // [HGM] adjudicate: for all automatic game ends
8845 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8847 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8848 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8850 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8852 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8854 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8855 char buf[3*MSG_SIZ];
8857 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8858 programStats.score / 100.,
8860 programStats.time / 100.,
8861 (unsigned int)programStats.nodes,
8862 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8863 programStats.movelist);
8869 /* [AS] Clear stats for next move */
8870 ClearProgramStats();
8871 thinkOutput[0] = NULLCHAR;
8872 hiddenThinkOutputState = 0;
8875 if (gameMode == TwoMachinesPlay) {
8876 /* [HGM] relaying draw offers moved to after reception of move */
8877 /* and interpreting offer as claim if it brings draw condition */
8878 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8879 SendToProgram("draw\n", cps->other);
8881 if (cps->other->sendTime) {
8882 SendTimeRemaining(cps->other,
8883 cps->other->twoMachinesColor[0] == 'w');
8885 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8886 if (firstMove && !bookHit) {
8888 if (cps->other->useColors) {
8889 SendToProgram(cps->other->twoMachinesColor, cps->other);
8891 SendToProgram("go\n", cps->other);
8893 cps->other->maybeThinking = TRUE;
8896 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8898 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8900 if (!pausing && appData.ringBellAfterMoves) {
8901 if(!roar) RingBell();
8905 * Reenable menu items that were disabled while
8906 * machine was thinking
8908 if (gameMode != TwoMachinesPlay)
8909 SetUserThinkingEnables();
8911 // [HGM] book: after book hit opponent has received move and is now in force mode
8912 // force the book reply into it, and then fake that it outputted this move by jumping
8913 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8915 static char bookMove[MSG_SIZ]; // a bit generous?
8917 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8918 strcat(bookMove, bookHit);
8921 programStats.nodes = programStats.depth = programStats.time =
8922 programStats.score = programStats.got_only_move = 0;
8923 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8925 if(cps->lastPing != cps->lastPong) {
8926 savedMessage = message; // args for deferred call
8928 ScheduleDelayedEvent(DeferredBookMove, 10);
8937 /* Set special modes for chess engines. Later something general
8938 * could be added here; for now there is just one kludge feature,
8939 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8940 * when "xboard" is given as an interactive command.
8942 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8943 cps->useSigint = FALSE;
8944 cps->useSigterm = FALSE;
8946 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8947 ParseFeatures(message+8, cps);
8948 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8951 if (!strncmp(message, "setup ", 6) &&
8952 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8953 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8954 ) { // [HGM] allow first engine to define opening position
8955 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8956 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8958 if(sscanf(message, "setup (%s", buf) == 1) {
8959 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
8960 ASSIGN(appData.pieceToCharTable, buf);
8962 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8964 while(message[s] && message[s++] != ' ');
8965 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8966 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8967 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8968 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8969 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8970 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
8971 startedFromSetupPosition = FALSE;
8974 if(startedFromSetupPosition) return;
8975 ParseFEN(boards[0], &dummy, message+s, FALSE);
8976 DrawPosition(TRUE, boards[0]);
8977 CopyBoard(initialPosition, boards[0]);
8978 startedFromSetupPosition = TRUE;
8981 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
8982 ChessSquare piece = WhitePawn;
8983 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
8984 if(*p == '+') piece = CHUPROMOTED WhitePawn, ID = *++p;
8985 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
8986 piece += CharToPiece(ID & 255) - WhitePawn;
8987 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
8988 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
8989 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
8990 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
8991 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
8992 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
8993 && gameInfo.variant != VariantGreat
8994 && gameInfo.variant != VariantFairy ) return;
8995 if(piece < EmptySquare) {
8997 ASSIGN(pieceDesc[piece], buf1);
8998 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9002 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9003 * want this, I was asked to put it in, and obliged.
9005 if (!strncmp(message, "setboard ", 9)) {
9006 Board initial_position;
9008 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9010 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9011 DisplayError(_("Bad FEN received from engine"), 0);
9015 CopyBoard(boards[0], initial_position);
9016 initialRulePlies = FENrulePlies;
9017 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9018 else gameMode = MachinePlaysBlack;
9019 DrawPosition(FALSE, boards[currentMove]);
9025 * Look for communication commands
9027 if (!strncmp(message, "telluser ", 9)) {
9028 if(message[9] == '\\' && message[10] == '\\')
9029 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9031 DisplayNote(message + 9);
9034 if (!strncmp(message, "tellusererror ", 14)) {
9036 if(message[14] == '\\' && message[15] == '\\')
9037 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9039 DisplayError(message + 14, 0);
9042 if (!strncmp(message, "tellopponent ", 13)) {
9043 if (appData.icsActive) {
9045 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9049 DisplayNote(message + 13);
9053 if (!strncmp(message, "tellothers ", 11)) {
9054 if (appData.icsActive) {
9056 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9059 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9062 if (!strncmp(message, "tellall ", 8)) {
9063 if (appData.icsActive) {
9065 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9069 DisplayNote(message + 8);
9073 if (strncmp(message, "warning", 7) == 0) {
9074 /* Undocumented feature, use tellusererror in new code */
9075 DisplayError(message, 0);
9078 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9079 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9080 strcat(realname, " query");
9081 AskQuestion(realname, buf2, buf1, cps->pr);
9084 /* Commands from the engine directly to ICS. We don't allow these to be
9085 * sent until we are logged on. Crafty kibitzes have been known to
9086 * interfere with the login process.
9089 if (!strncmp(message, "tellics ", 8)) {
9090 SendToICS(message + 8);
9094 if (!strncmp(message, "tellicsnoalias ", 15)) {
9095 SendToICS(ics_prefix);
9096 SendToICS(message + 15);
9100 /* The following are for backward compatibility only */
9101 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9102 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9103 SendToICS(ics_prefix);
9109 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9110 if(initPing == cps->lastPong) {
9111 if(gameInfo.variant == VariantUnknown) {
9112 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9113 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9114 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9120 if(!strncmp(message, "highlight ", 10)) {
9121 if(appData.testLegality && !*engineVariant && appData.markers) return;
9122 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9125 if(!strncmp(message, "click ", 6)) {
9126 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9127 if(appData.testLegality || !appData.oneClick) return;
9128 sscanf(message+6, "%c%d%c", &f, &y, &c);
9129 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9130 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9131 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9132 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9133 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9134 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9135 LeftClick(Release, lastLeftX, lastLeftY);
9136 controlKey = (c == ',');
9137 LeftClick(Press, x, y);
9138 LeftClick(Release, x, y);
9139 first.highlight = f;
9143 * If the move is illegal, cancel it and redraw the board.
9144 * Also deal with other error cases. Matching is rather loose
9145 * here to accommodate engines written before the spec.
9147 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9148 strncmp(message, "Error", 5) == 0) {
9149 if (StrStr(message, "name") ||
9150 StrStr(message, "rating") || StrStr(message, "?") ||
9151 StrStr(message, "result") || StrStr(message, "board") ||
9152 StrStr(message, "bk") || StrStr(message, "computer") ||
9153 StrStr(message, "variant") || StrStr(message, "hint") ||
9154 StrStr(message, "random") || StrStr(message, "depth") ||
9155 StrStr(message, "accepted")) {
9158 if (StrStr(message, "protover")) {
9159 /* Program is responding to input, so it's apparently done
9160 initializing, and this error message indicates it is
9161 protocol version 1. So we don't need to wait any longer
9162 for it to initialize and send feature commands. */
9163 FeatureDone(cps, 1);
9164 cps->protocolVersion = 1;
9167 cps->maybeThinking = FALSE;
9169 if (StrStr(message, "draw")) {
9170 /* Program doesn't have "draw" command */
9171 cps->sendDrawOffers = 0;
9174 if (cps->sendTime != 1 &&
9175 (StrStr(message, "time") || StrStr(message, "otim"))) {
9176 /* Program apparently doesn't have "time" or "otim" command */
9180 if (StrStr(message, "analyze")) {
9181 cps->analysisSupport = FALSE;
9182 cps->analyzing = FALSE;
9183 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9184 EditGameEvent(); // [HGM] try to preserve loaded game
9185 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9186 DisplayError(buf2, 0);
9189 if (StrStr(message, "(no matching move)st")) {
9190 /* Special kludge for GNU Chess 4 only */
9191 cps->stKludge = TRUE;
9192 SendTimeControl(cps, movesPerSession, timeControl,
9193 timeIncrement, appData.searchDepth,
9197 if (StrStr(message, "(no matching move)sd")) {
9198 /* Special kludge for GNU Chess 4 only */
9199 cps->sdKludge = TRUE;
9200 SendTimeControl(cps, movesPerSession, timeControl,
9201 timeIncrement, appData.searchDepth,
9205 if (!StrStr(message, "llegal")) {
9208 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9209 gameMode == IcsIdle) return;
9210 if (forwardMostMove <= backwardMostMove) return;
9211 if (pausing) PauseEvent();
9212 if(appData.forceIllegal) {
9213 // [HGM] illegal: machine refused move; force position after move into it
9214 SendToProgram("force\n", cps);
9215 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9216 // we have a real problem now, as SendBoard will use the a2a3 kludge
9217 // when black is to move, while there might be nothing on a2 or black
9218 // might already have the move. So send the board as if white has the move.
9219 // But first we must change the stm of the engine, as it refused the last move
9220 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9221 if(WhiteOnMove(forwardMostMove)) {
9222 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9223 SendBoard(cps, forwardMostMove); // kludgeless board
9225 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9226 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9227 SendBoard(cps, forwardMostMove+1); // kludgeless board
9229 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9230 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9231 gameMode == TwoMachinesPlay)
9232 SendToProgram("go\n", cps);
9235 if (gameMode == PlayFromGameFile) {
9236 /* Stop reading this game file */
9237 gameMode = EditGame;
9240 /* [HGM] illegal-move claim should forfeit game when Xboard */
9241 /* only passes fully legal moves */
9242 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9243 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9244 "False illegal-move claim", GE_XBOARD );
9245 return; // do not take back move we tested as valid
9247 currentMove = forwardMostMove-1;
9248 DisplayMove(currentMove-1); /* before DisplayMoveError */
9249 SwitchClocks(forwardMostMove-1); // [HGM] race
9250 DisplayBothClocks();
9251 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9252 parseList[currentMove], _(cps->which));
9253 DisplayMoveError(buf1);
9254 DrawPosition(FALSE, boards[currentMove]);
9256 SetUserThinkingEnables();
9259 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9260 /* Program has a broken "time" command that
9261 outputs a string not ending in newline.
9265 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9266 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9267 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9271 * If chess program startup fails, exit with an error message.
9272 * Attempts to recover here are futile. [HGM] Well, we try anyway
9274 if ((StrStr(message, "unknown host") != NULL)
9275 || (StrStr(message, "No remote directory") != NULL)
9276 || (StrStr(message, "not found") != NULL)
9277 || (StrStr(message, "No such file") != NULL)
9278 || (StrStr(message, "can't alloc") != NULL)
9279 || (StrStr(message, "Permission denied") != NULL)) {
9281 cps->maybeThinking = FALSE;
9282 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9283 _(cps->which), cps->program, cps->host, message);
9284 RemoveInputSource(cps->isr);
9285 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9286 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9287 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9293 * Look for hint output
9295 if (sscanf(message, "Hint: %s", buf1) == 1) {
9296 if (cps == &first && hintRequested) {
9297 hintRequested = FALSE;
9298 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9299 &fromX, &fromY, &toX, &toY, &promoChar)) {
9300 (void) CoordsToAlgebraic(boards[forwardMostMove],
9301 PosFlags(forwardMostMove),
9302 fromY, fromX, toY, toX, promoChar, buf1);
9303 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9304 DisplayInformation(buf2);
9306 /* Hint move could not be parsed!? */
9307 snprintf(buf2, sizeof(buf2),
9308 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9309 buf1, _(cps->which));
9310 DisplayError(buf2, 0);
9313 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9319 * Ignore other messages if game is not in progress
9321 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9322 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9325 * look for win, lose, draw, or draw offer
9327 if (strncmp(message, "1-0", 3) == 0) {
9328 char *p, *q, *r = "";
9329 p = strchr(message, '{');
9337 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9339 } else if (strncmp(message, "0-1", 3) == 0) {
9340 char *p, *q, *r = "";
9341 p = strchr(message, '{');
9349 /* Kludge for Arasan 4.1 bug */
9350 if (strcmp(r, "Black resigns") == 0) {
9351 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9354 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9356 } else if (strncmp(message, "1/2", 3) == 0) {
9357 char *p, *q, *r = "";
9358 p = strchr(message, '{');
9367 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9370 } else if (strncmp(message, "White resign", 12) == 0) {
9371 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9373 } else if (strncmp(message, "Black resign", 12) == 0) {
9374 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9376 } else if (strncmp(message, "White matches", 13) == 0 ||
9377 strncmp(message, "Black matches", 13) == 0 ) {
9378 /* [HGM] ignore GNUShogi noises */
9380 } else if (strncmp(message, "White", 5) == 0 &&
9381 message[5] != '(' &&
9382 StrStr(message, "Black") == NULL) {
9383 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9385 } else if (strncmp(message, "Black", 5) == 0 &&
9386 message[5] != '(') {
9387 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9389 } else if (strcmp(message, "resign") == 0 ||
9390 strcmp(message, "computer resigns") == 0) {
9392 case MachinePlaysBlack:
9393 case IcsPlayingBlack:
9394 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9396 case MachinePlaysWhite:
9397 case IcsPlayingWhite:
9398 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9400 case TwoMachinesPlay:
9401 if (cps->twoMachinesColor[0] == 'w')
9402 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9404 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9411 } else if (strncmp(message, "opponent mates", 14) == 0) {
9413 case MachinePlaysBlack:
9414 case IcsPlayingBlack:
9415 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9417 case MachinePlaysWhite:
9418 case IcsPlayingWhite:
9419 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9421 case TwoMachinesPlay:
9422 if (cps->twoMachinesColor[0] == 'w')
9423 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9425 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9432 } else if (strncmp(message, "computer mates", 14) == 0) {
9434 case MachinePlaysBlack:
9435 case IcsPlayingBlack:
9436 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9438 case MachinePlaysWhite:
9439 case IcsPlayingWhite:
9440 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9442 case TwoMachinesPlay:
9443 if (cps->twoMachinesColor[0] == 'w')
9444 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9446 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9453 } else if (strncmp(message, "checkmate", 9) == 0) {
9454 if (WhiteOnMove(forwardMostMove)) {
9455 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9457 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9460 } else if (strstr(message, "Draw") != NULL ||
9461 strstr(message, "game is a draw") != NULL) {
9462 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9464 } else if (strstr(message, "offer") != NULL &&
9465 strstr(message, "draw") != NULL) {
9467 if (appData.zippyPlay && first.initDone) {
9468 /* Relay offer to ICS */
9469 SendToICS(ics_prefix);
9470 SendToICS("draw\n");
9473 cps->offeredDraw = 2; /* valid until this engine moves twice */
9474 if (gameMode == TwoMachinesPlay) {
9475 if (cps->other->offeredDraw) {
9476 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9477 /* [HGM] in two-machine mode we delay relaying draw offer */
9478 /* until after we also have move, to see if it is really claim */
9480 } else if (gameMode == MachinePlaysWhite ||
9481 gameMode == MachinePlaysBlack) {
9482 if (userOfferedDraw) {
9483 DisplayInformation(_("Machine accepts your draw offer"));
9484 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9486 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9493 * Look for thinking output
9495 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9496 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9498 int plylev, mvleft, mvtot, curscore, time;
9499 char mvname[MOVE_LEN];
9503 int prefixHint = FALSE;
9504 mvname[0] = NULLCHAR;
9507 case MachinePlaysBlack:
9508 case IcsPlayingBlack:
9509 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9511 case MachinePlaysWhite:
9512 case IcsPlayingWhite:
9513 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9518 case IcsObserving: /* [DM] icsEngineAnalyze */
9519 if (!appData.icsEngineAnalyze) ignore = TRUE;
9521 case TwoMachinesPlay:
9522 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9532 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9534 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9535 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9536 char score_buf[MSG_SIZ];
9538 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9539 nodes += u64Const(0x100000000);
9541 if (plyext != ' ' && plyext != '\t') {
9545 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9546 if( cps->scoreIsAbsolute &&
9547 ( gameMode == MachinePlaysBlack ||
9548 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9549 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9550 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9551 !WhiteOnMove(currentMove)
9554 curscore = -curscore;
9557 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9559 if(*bestMove) { // rememer time best EPD move was first found
9560 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9562 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9563 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9564 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9567 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9570 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9571 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9572 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9573 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9574 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9575 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9579 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9580 DisplayError(_("failed writing PV"), 0);
9583 tempStats.depth = plylev;
9584 tempStats.nodes = nodes;
9585 tempStats.time = time;
9586 tempStats.score = curscore;
9587 tempStats.got_only_move = 0;
9589 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9592 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9593 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9594 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9595 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9596 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9597 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9598 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9599 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9602 /* Buffer overflow protection */
9603 if (pv[0] != NULLCHAR) {
9604 if (strlen(pv) >= sizeof(tempStats.movelist)
9605 && appData.debugMode) {
9607 "PV is too long; using the first %u bytes.\n",
9608 (unsigned) sizeof(tempStats.movelist) - 1);
9611 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9613 sprintf(tempStats.movelist, " no PV\n");
9616 if (tempStats.seen_stat) {
9617 tempStats.ok_to_send = 1;
9620 if (strchr(tempStats.movelist, '(') != NULL) {
9621 tempStats.line_is_book = 1;
9622 tempStats.nr_moves = 0;
9623 tempStats.moves_left = 0;
9625 tempStats.line_is_book = 0;
9628 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9629 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9631 SendProgramStatsToFrontend( cps, &tempStats );
9634 [AS] Protect the thinkOutput buffer from overflow... this
9635 is only useful if buf1 hasn't overflowed first!
9637 if(curscore >= MATE_SCORE)
9638 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9639 else if(curscore <= -MATE_SCORE)
9640 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9642 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9643 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9645 (gameMode == TwoMachinesPlay ?
9646 ToUpper(cps->twoMachinesColor[0]) : ' '),
9648 prefixHint ? lastHint : "",
9649 prefixHint ? " " : "" );
9651 if( buf1[0] != NULLCHAR ) {
9652 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9654 if( strlen(pv) > max_len ) {
9655 if( appData.debugMode) {
9656 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9658 pv[max_len+1] = '\0';
9661 strcat( thinkOutput, pv);
9664 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9665 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9666 DisplayMove(currentMove - 1);
9670 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9671 /* crafty (9.25+) says "(only move) <move>"
9672 * if there is only 1 legal move
9674 sscanf(p, "(only move) %s", buf1);
9675 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9676 sprintf(programStats.movelist, "%s (only move)", buf1);
9677 programStats.depth = 1;
9678 programStats.nr_moves = 1;
9679 programStats.moves_left = 1;
9680 programStats.nodes = 1;
9681 programStats.time = 1;
9682 programStats.got_only_move = 1;
9684 /* Not really, but we also use this member to
9685 mean "line isn't going to change" (Crafty
9686 isn't searching, so stats won't change) */
9687 programStats.line_is_book = 1;
9689 SendProgramStatsToFrontend( cps, &programStats );
9691 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9692 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9693 DisplayMove(currentMove - 1);
9696 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9697 &time, &nodes, &plylev, &mvleft,
9698 &mvtot, mvname) >= 5) {
9699 /* The stat01: line is from Crafty (9.29+) in response
9700 to the "." command */
9701 programStats.seen_stat = 1;
9702 cps->maybeThinking = TRUE;
9704 if (programStats.got_only_move || !appData.periodicUpdates)
9707 programStats.depth = plylev;
9708 programStats.time = time;
9709 programStats.nodes = nodes;
9710 programStats.moves_left = mvleft;
9711 programStats.nr_moves = mvtot;
9712 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9713 programStats.ok_to_send = 1;
9714 programStats.movelist[0] = '\0';
9716 SendProgramStatsToFrontend( cps, &programStats );
9720 } else if (strncmp(message,"++",2) == 0) {
9721 /* Crafty 9.29+ outputs this */
9722 programStats.got_fail = 2;
9725 } else if (strncmp(message,"--",2) == 0) {
9726 /* Crafty 9.29+ outputs this */
9727 programStats.got_fail = 1;
9730 } else if (thinkOutput[0] != NULLCHAR &&
9731 strncmp(message, " ", 4) == 0) {
9732 unsigned message_len;
9735 while (*p && *p == ' ') p++;
9737 message_len = strlen( p );
9739 /* [AS] Avoid buffer overflow */
9740 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9741 strcat(thinkOutput, " ");
9742 strcat(thinkOutput, p);
9745 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9746 strcat(programStats.movelist, " ");
9747 strcat(programStats.movelist, p);
9750 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9751 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9752 DisplayMove(currentMove - 1);
9760 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9761 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9763 ChessProgramStats cpstats;
9765 if (plyext != ' ' && plyext != '\t') {
9769 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9770 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9771 curscore = -curscore;
9774 cpstats.depth = plylev;
9775 cpstats.nodes = nodes;
9776 cpstats.time = time;
9777 cpstats.score = curscore;
9778 cpstats.got_only_move = 0;
9779 cpstats.movelist[0] = '\0';
9781 if (buf1[0] != NULLCHAR) {
9782 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9785 cpstats.ok_to_send = 0;
9786 cpstats.line_is_book = 0;
9787 cpstats.nr_moves = 0;
9788 cpstats.moves_left = 0;
9790 SendProgramStatsToFrontend( cps, &cpstats );
9797 /* Parse a game score from the character string "game", and
9798 record it as the history of the current game. The game
9799 score is NOT assumed to start from the standard position.
9800 The display is not updated in any way.
9803 ParseGameHistory (char *game)
9806 int fromX, fromY, toX, toY, boardIndex;
9811 if (appData.debugMode)
9812 fprintf(debugFP, "Parsing game history: %s\n", game);
9814 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9815 gameInfo.site = StrSave(appData.icsHost);
9816 gameInfo.date = PGNDate();
9817 gameInfo.round = StrSave("-");
9819 /* Parse out names of players */
9820 while (*game == ' ') game++;
9822 while (*game != ' ') *p++ = *game++;
9824 gameInfo.white = StrSave(buf);
9825 while (*game == ' ') game++;
9827 while (*game != ' ' && *game != '\n') *p++ = *game++;
9829 gameInfo.black = StrSave(buf);
9832 boardIndex = blackPlaysFirst ? 1 : 0;
9835 yyboardindex = boardIndex;
9836 moveType = (ChessMove) Myylex();
9838 case IllegalMove: /* maybe suicide chess, etc. */
9839 if (appData.debugMode) {
9840 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9841 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9842 setbuf(debugFP, NULL);
9844 case WhitePromotion:
9845 case BlackPromotion:
9846 case WhiteNonPromotion:
9847 case BlackNonPromotion:
9850 case WhiteCapturesEnPassant:
9851 case BlackCapturesEnPassant:
9852 case WhiteKingSideCastle:
9853 case WhiteQueenSideCastle:
9854 case BlackKingSideCastle:
9855 case BlackQueenSideCastle:
9856 case WhiteKingSideCastleWild:
9857 case WhiteQueenSideCastleWild:
9858 case BlackKingSideCastleWild:
9859 case BlackQueenSideCastleWild:
9861 case WhiteHSideCastleFR:
9862 case WhiteASideCastleFR:
9863 case BlackHSideCastleFR:
9864 case BlackASideCastleFR:
9866 fromX = currentMoveString[0] - AAA;
9867 fromY = currentMoveString[1] - ONE;
9868 toX = currentMoveString[2] - AAA;
9869 toY = currentMoveString[3] - ONE;
9870 promoChar = currentMoveString[4];
9874 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9875 fromX = moveType == WhiteDrop ?
9876 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9877 (int) CharToPiece(ToLower(currentMoveString[0]));
9879 toX = currentMoveString[2] - AAA;
9880 toY = currentMoveString[3] - ONE;
9881 promoChar = NULLCHAR;
9885 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9886 if (appData.debugMode) {
9887 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9888 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9889 setbuf(debugFP, NULL);
9891 DisplayError(buf, 0);
9893 case ImpossibleMove:
9895 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9896 if (appData.debugMode) {
9897 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9898 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9899 setbuf(debugFP, NULL);
9901 DisplayError(buf, 0);
9904 if (boardIndex < backwardMostMove) {
9905 /* Oops, gap. How did that happen? */
9906 DisplayError(_("Gap in move list"), 0);
9909 backwardMostMove = blackPlaysFirst ? 1 : 0;
9910 if (boardIndex > forwardMostMove) {
9911 forwardMostMove = boardIndex;
9915 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9916 strcat(parseList[boardIndex-1], " ");
9917 strcat(parseList[boardIndex-1], yy_text);
9929 case GameUnfinished:
9930 if (gameMode == IcsExamining) {
9931 if (boardIndex < backwardMostMove) {
9932 /* Oops, gap. How did that happen? */
9935 backwardMostMove = blackPlaysFirst ? 1 : 0;
9938 gameInfo.result = moveType;
9939 p = strchr(yy_text, '{');
9940 if (p == NULL) p = strchr(yy_text, '(');
9943 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9945 q = strchr(p, *p == '{' ? '}' : ')');
9946 if (q != NULL) *q = NULLCHAR;
9949 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9950 gameInfo.resultDetails = StrSave(p);
9953 if (boardIndex >= forwardMostMove &&
9954 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9955 backwardMostMove = blackPlaysFirst ? 1 : 0;
9958 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9959 fromY, fromX, toY, toX, promoChar,
9960 parseList[boardIndex]);
9961 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9962 /* currentMoveString is set as a side-effect of yylex */
9963 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9964 strcat(moveList[boardIndex], "\n");
9966 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9967 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9973 if(!IS_SHOGI(gameInfo.variant))
9974 strcat(parseList[boardIndex - 1], "+");
9978 strcat(parseList[boardIndex - 1], "#");
9985 /* Apply a move to the given board */
9987 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9989 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
9990 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9992 /* [HGM] compute & store e.p. status and castling rights for new position */
9993 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9995 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9996 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
9997 board[EP_STATUS] = EP_NONE;
9998 board[EP_FILE] = board[EP_RANK] = 100;
10000 if (fromY == DROP_RANK) {
10001 /* must be first */
10002 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10003 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10006 piece = board[toY][toX] = (ChessSquare) fromX;
10008 // ChessSquare victim;
10011 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10012 // victim = board[killY][killX],
10013 killed = board[killY][killX],
10014 board[killY][killX] = EmptySquare,
10015 board[EP_STATUS] = EP_CAPTURE;
10016 if( kill2X >= 0 && kill2Y >= 0)
10017 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10020 if( board[toY][toX] != EmptySquare ) {
10021 board[EP_STATUS] = EP_CAPTURE;
10022 if( (fromX != toX || fromY != toY) && // not igui!
10023 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10024 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10025 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10029 pawn = board[fromY][fromX];
10030 if( pawn == WhiteLance || pawn == BlackLance ) {
10031 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10032 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10033 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10036 if( pawn == WhitePawn ) {
10037 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10038 board[EP_STATUS] = EP_PAWN_MOVE;
10039 if( toY-fromY>=2) {
10040 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10041 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10042 gameInfo.variant != VariantBerolina || toX < fromX)
10043 board[EP_STATUS] = toX | berolina;
10044 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10045 gameInfo.variant != VariantBerolina || toX > fromX)
10046 board[EP_STATUS] = toX;
10049 if( pawn == BlackPawn ) {
10050 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10051 board[EP_STATUS] = EP_PAWN_MOVE;
10052 if( toY-fromY<= -2) {
10053 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10054 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10055 gameInfo.variant != VariantBerolina || toX < fromX)
10056 board[EP_STATUS] = toX | berolina;
10057 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10058 gameInfo.variant != VariantBerolina || toX > fromX)
10059 board[EP_STATUS] = toX;
10063 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10064 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10065 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10066 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10068 for(i=0; i<nrCastlingRights; i++) {
10069 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10070 board[CASTLING][i] == toX && castlingRank[i] == toY
10071 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10074 if(gameInfo.variant == VariantSChess) { // update virginity
10075 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10076 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10077 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10078 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10081 if (fromX == toX && fromY == toY) return;
10083 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10084 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10085 if(gameInfo.variant == VariantKnightmate)
10086 king += (int) WhiteUnicorn - (int) WhiteKing;
10088 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10089 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10090 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10091 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10092 board[EP_STATUS] = EP_NONE; // capture was fake!
10094 /* Code added by Tord: */
10095 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10096 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10097 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10098 board[EP_STATUS] = EP_NONE; // capture was fake!
10099 board[fromY][fromX] = EmptySquare;
10100 board[toY][toX] = EmptySquare;
10101 if((toX > fromX) != (piece == WhiteRook)) {
10102 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10104 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10106 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10107 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10108 board[EP_STATUS] = EP_NONE;
10109 board[fromY][fromX] = EmptySquare;
10110 board[toY][toX] = EmptySquare;
10111 if((toX > fromX) != (piece == BlackRook)) {
10112 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10114 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10116 /* End of code added by Tord */
10118 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10119 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10120 board[toY][toX] = piece;
10121 } else if (board[fromY][fromX] == king
10122 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10123 && toY == fromY && toX > fromX+1) {
10124 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10125 board[fromY][toX-1] = board[fromY][rookX];
10126 board[fromY][rookX] = EmptySquare;
10127 board[fromY][fromX] = EmptySquare;
10128 board[toY][toX] = king;
10129 } else if (board[fromY][fromX] == king
10130 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10131 && toY == fromY && toX < fromX-1) {
10132 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10133 board[fromY][toX+1] = board[fromY][rookX];
10134 board[fromY][rookX] = EmptySquare;
10135 board[fromY][fromX] = EmptySquare;
10136 board[toY][toX] = king;
10137 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10138 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10139 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10141 /* white pawn promotion */
10142 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10143 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10144 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10145 board[fromY][fromX] = EmptySquare;
10146 } else if ((fromY >= BOARD_HEIGHT>>1)
10147 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10149 && gameInfo.variant != VariantXiangqi
10150 && gameInfo.variant != VariantBerolina
10151 && (pawn == WhitePawn)
10152 && (board[toY][toX] == EmptySquare)) {
10153 board[fromY][fromX] = EmptySquare;
10154 board[toY][toX] = piece;
10155 if(toY == epRank - 128 + 1)
10156 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10158 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10159 } else if ((fromY == BOARD_HEIGHT-4)
10161 && gameInfo.variant == VariantBerolina
10162 && (board[fromY][fromX] == WhitePawn)
10163 && (board[toY][toX] == EmptySquare)) {
10164 board[fromY][fromX] = EmptySquare;
10165 board[toY][toX] = WhitePawn;
10166 if(oldEP & EP_BEROLIN_A) {
10167 captured = board[fromY][fromX-1];
10168 board[fromY][fromX-1] = EmptySquare;
10169 }else{ captured = board[fromY][fromX+1];
10170 board[fromY][fromX+1] = EmptySquare;
10172 } else if (board[fromY][fromX] == king
10173 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10174 && toY == fromY && toX > fromX+1) {
10175 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10176 board[fromY][toX-1] = board[fromY][rookX];
10177 board[fromY][rookX] = EmptySquare;
10178 board[fromY][fromX] = EmptySquare;
10179 board[toY][toX] = king;
10180 } else if (board[fromY][fromX] == king
10181 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10182 && toY == fromY && toX < fromX-1) {
10183 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10184 board[fromY][toX+1] = board[fromY][rookX];
10185 board[fromY][rookX] = EmptySquare;
10186 board[fromY][fromX] = EmptySquare;
10187 board[toY][toX] = king;
10188 } else if (fromY == 7 && fromX == 3
10189 && board[fromY][fromX] == BlackKing
10190 && toY == 7 && toX == 5) {
10191 board[fromY][fromX] = EmptySquare;
10192 board[toY][toX] = BlackKing;
10193 board[fromY][7] = EmptySquare;
10194 board[toY][4] = BlackRook;
10195 } else if (fromY == 7 && fromX == 3
10196 && board[fromY][fromX] == BlackKing
10197 && toY == 7 && toX == 1) {
10198 board[fromY][fromX] = EmptySquare;
10199 board[toY][toX] = BlackKing;
10200 board[fromY][0] = EmptySquare;
10201 board[toY][2] = BlackRook;
10202 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10203 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10204 && toY < promoRank && promoChar
10206 /* black pawn promotion */
10207 board[toY][toX] = CharToPiece(ToLower(promoChar));
10208 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10209 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10210 board[fromY][fromX] = EmptySquare;
10211 } else if ((fromY < BOARD_HEIGHT>>1)
10212 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10214 && gameInfo.variant != VariantXiangqi
10215 && gameInfo.variant != VariantBerolina
10216 && (pawn == BlackPawn)
10217 && (board[toY][toX] == EmptySquare)) {
10218 board[fromY][fromX] = EmptySquare;
10219 board[toY][toX] = piece;
10220 if(toY == epRank - 128 - 1)
10221 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10223 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10224 } else if ((fromY == 3)
10226 && gameInfo.variant == VariantBerolina
10227 && (board[fromY][fromX] == BlackPawn)
10228 && (board[toY][toX] == EmptySquare)) {
10229 board[fromY][fromX] = EmptySquare;
10230 board[toY][toX] = BlackPawn;
10231 if(oldEP & EP_BEROLIN_A) {
10232 captured = board[fromY][fromX-1];
10233 board[fromY][fromX-1] = EmptySquare;
10234 }else{ captured = board[fromY][fromX+1];
10235 board[fromY][fromX+1] = EmptySquare;
10238 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10239 board[fromY][fromX] = EmptySquare;
10240 board[toY][toX] = piece;
10244 if (gameInfo.holdingsWidth != 0) {
10246 /* !!A lot more code needs to be written to support holdings */
10247 /* [HGM] OK, so I have written it. Holdings are stored in the */
10248 /* penultimate board files, so they are automaticlly stored */
10249 /* in the game history. */
10250 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10251 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10252 /* Delete from holdings, by decreasing count */
10253 /* and erasing image if necessary */
10254 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10255 if(p < (int) BlackPawn) { /* white drop */
10256 p -= (int)WhitePawn;
10257 p = PieceToNumber((ChessSquare)p);
10258 if(p >= gameInfo.holdingsSize) p = 0;
10259 if(--board[p][BOARD_WIDTH-2] <= 0)
10260 board[p][BOARD_WIDTH-1] = EmptySquare;
10261 if((int)board[p][BOARD_WIDTH-2] < 0)
10262 board[p][BOARD_WIDTH-2] = 0;
10263 } else { /* black drop */
10264 p -= (int)BlackPawn;
10265 p = PieceToNumber((ChessSquare)p);
10266 if(p >= gameInfo.holdingsSize) p = 0;
10267 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10268 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10269 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10270 board[BOARD_HEIGHT-1-p][1] = 0;
10273 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10274 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10275 /* [HGM] holdings: Add to holdings, if holdings exist */
10276 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10277 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10278 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10280 p = (int) captured;
10281 if (p >= (int) BlackPawn) {
10282 p -= (int)BlackPawn;
10283 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10284 /* Restore shogi-promoted piece to its original first */
10285 captured = (ChessSquare) (DEMOTED captured);
10288 p = PieceToNumber((ChessSquare)p);
10289 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10290 board[p][BOARD_WIDTH-2]++;
10291 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10293 p -= (int)WhitePawn;
10294 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10295 captured = (ChessSquare) (DEMOTED captured);
10298 p = PieceToNumber((ChessSquare)p);
10299 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10300 board[BOARD_HEIGHT-1-p][1]++;
10301 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10304 } else if (gameInfo.variant == VariantAtomic) {
10305 if (captured != EmptySquare) {
10307 for (y = toY-1; y <= toY+1; y++) {
10308 for (x = toX-1; x <= toX+1; x++) {
10309 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10310 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10311 board[y][x] = EmptySquare;
10315 board[toY][toX] = EmptySquare;
10319 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10320 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10322 if(promoChar == '+') {
10323 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10324 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10325 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10326 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10327 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10328 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10329 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10330 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10331 board[toY][toX] = newPiece;
10333 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10334 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10335 // [HGM] superchess: take promotion piece out of holdings
10336 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10337 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10338 if(!--board[k][BOARD_WIDTH-2])
10339 board[k][BOARD_WIDTH-1] = EmptySquare;
10341 if(!--board[BOARD_HEIGHT-1-k][1])
10342 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10347 /* Updates forwardMostMove */
10349 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10351 int x = toX, y = toY;
10352 char *s = parseList[forwardMostMove];
10353 ChessSquare p = boards[forwardMostMove][toY][toX];
10354 // forwardMostMove++; // [HGM] bare: moved downstream
10356 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10357 (void) CoordsToAlgebraic(boards[forwardMostMove],
10358 PosFlags(forwardMostMove),
10359 fromY, fromX, y, x, promoChar,
10361 if(killX >= 0 && killY >= 0)
10362 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10364 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10365 int timeLeft; static int lastLoadFlag=0; int king, piece;
10366 piece = boards[forwardMostMove][fromY][fromX];
10367 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10368 if(gameInfo.variant == VariantKnightmate)
10369 king += (int) WhiteUnicorn - (int) WhiteKing;
10370 if(forwardMostMove == 0) {
10371 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10372 fprintf(serverMoves, "%s;", UserName());
10373 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10374 fprintf(serverMoves, "%s;", second.tidy);
10375 fprintf(serverMoves, "%s;", first.tidy);
10376 if(gameMode == MachinePlaysWhite)
10377 fprintf(serverMoves, "%s;", UserName());
10378 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10379 fprintf(serverMoves, "%s;", second.tidy);
10380 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10381 lastLoadFlag = loadFlag;
10383 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10384 // print castling suffix
10385 if( toY == fromY && piece == king ) {
10387 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10389 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10392 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10393 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10394 boards[forwardMostMove][toY][toX] == EmptySquare
10395 && fromX != toX && fromY != toY)
10396 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10397 // promotion suffix
10398 if(promoChar != NULLCHAR) {
10399 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10400 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10401 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10402 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10405 char buf[MOVE_LEN*2], *p; int len;
10406 fprintf(serverMoves, "/%d/%d",
10407 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10408 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10409 else timeLeft = blackTimeRemaining/1000;
10410 fprintf(serverMoves, "/%d", timeLeft);
10411 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10412 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10413 if(p = strchr(buf, '=')) *p = NULLCHAR;
10414 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10415 fprintf(serverMoves, "/%s", buf);
10417 fflush(serverMoves);
10420 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10421 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10424 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10425 if (commentList[forwardMostMove+1] != NULL) {
10426 free(commentList[forwardMostMove+1]);
10427 commentList[forwardMostMove+1] = NULL;
10429 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10430 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10431 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10432 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10433 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10434 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10435 adjustedClock = FALSE;
10436 gameInfo.result = GameUnfinished;
10437 if (gameInfo.resultDetails != NULL) {
10438 free(gameInfo.resultDetails);
10439 gameInfo.resultDetails = NULL;
10441 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10442 moveList[forwardMostMove - 1]);
10443 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10449 if(!IS_SHOGI(gameInfo.variant))
10450 strcat(parseList[forwardMostMove - 1], "+");
10454 strcat(parseList[forwardMostMove - 1], "#");
10459 /* Updates currentMove if not pausing */
10461 ShowMove (int fromX, int fromY, int toX, int toY)
10463 int instant = (gameMode == PlayFromGameFile) ?
10464 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10465 if(appData.noGUI) return;
10466 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10468 if (forwardMostMove == currentMove + 1) {
10469 AnimateMove(boards[forwardMostMove - 1],
10470 fromX, fromY, toX, toY);
10473 currentMove = forwardMostMove;
10476 killX = killY = -1; // [HGM] lion: used up
10478 if (instant) return;
10480 DisplayMove(currentMove - 1);
10481 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10482 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10483 SetHighlights(fromX, fromY, toX, toY);
10486 DrawPosition(FALSE, boards[currentMove]);
10487 DisplayBothClocks();
10488 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10492 SendEgtPath (ChessProgramState *cps)
10493 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10494 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10496 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10499 char c, *q = name+1, *r, *s;
10501 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10502 while(*p && *p != ',') *q++ = *p++;
10503 *q++ = ':'; *q = 0;
10504 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10505 strcmp(name, ",nalimov:") == 0 ) {
10506 // take nalimov path from the menu-changeable option first, if it is defined
10507 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10508 SendToProgram(buf,cps); // send egtbpath command for nalimov
10510 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10511 (s = StrStr(appData.egtFormats, name)) != NULL) {
10512 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10513 s = r = StrStr(s, ":") + 1; // beginning of path info
10514 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10515 c = *r; *r = 0; // temporarily null-terminate path info
10516 *--q = 0; // strip of trailig ':' from name
10517 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10519 SendToProgram(buf,cps); // send egtbpath command for this format
10521 if(*p == ',') p++; // read away comma to position for next format name
10526 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10528 int width = 8, height = 8, holdings = 0; // most common sizes
10529 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10530 // correct the deviations default for each variant
10531 if( v == VariantXiangqi ) width = 9, height = 10;
10532 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10533 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10534 if( v == VariantCapablanca || v == VariantCapaRandom ||
10535 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10537 if( v == VariantCourier ) width = 12;
10538 if( v == VariantSuper ) holdings = 8;
10539 if( v == VariantGreat ) width = 10, holdings = 8;
10540 if( v == VariantSChess ) holdings = 7;
10541 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10542 if( v == VariantChuChess) width = 10, height = 10;
10543 if( v == VariantChu ) width = 12, height = 12;
10544 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10545 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10546 holdingsSize >= 0 && holdingsSize != holdings;
10549 char variantError[MSG_SIZ];
10552 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10553 { // returns error message (recognizable by upper-case) if engine does not support the variant
10554 char *p, *variant = VariantName(v);
10555 static char b[MSG_SIZ];
10556 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10557 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10558 holdingsSize, variant); // cook up sized variant name
10559 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10560 if(StrStr(list, b) == NULL) {
10561 // specific sized variant not known, check if general sizing allowed
10562 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10563 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10564 boardWidth, boardHeight, holdingsSize, engine);
10567 /* [HGM] here we really should compare with the maximum supported board size */
10569 } else snprintf(b, MSG_SIZ,"%s", variant);
10570 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10571 p = StrStr(list, b);
10572 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10574 // occurs not at all in list, or only as sub-string
10575 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10576 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10577 int l = strlen(variantError);
10579 while(p != list && p[-1] != ',') p--;
10580 q = strchr(p, ',');
10581 if(q) *q = NULLCHAR;
10582 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10591 InitChessProgram (ChessProgramState *cps, int setup)
10592 /* setup needed to setup FRC opening position */
10594 char buf[MSG_SIZ], *b;
10595 if (appData.noChessProgram) return;
10596 hintRequested = FALSE;
10597 bookRequested = FALSE;
10599 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10600 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10601 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10602 if(cps->memSize) { /* [HGM] memory */
10603 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10604 SendToProgram(buf, cps);
10606 SendEgtPath(cps); /* [HGM] EGT */
10607 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10608 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10609 SendToProgram(buf, cps);
10612 setboardSpoiledMachineBlack = FALSE;
10613 SendToProgram(cps->initString, cps);
10614 if (gameInfo.variant != VariantNormal &&
10615 gameInfo.variant != VariantLoadable
10616 /* [HGM] also send variant if board size non-standard */
10617 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10619 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10620 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10623 char c, *q = cps->variants, *p = strchr(q, ',');
10624 if(p) *p = NULLCHAR;
10625 v = StringToVariant(q);
10626 DisplayError(variantError, 0);
10627 if(v != VariantUnknown && cps == &first) {
10629 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10630 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10631 ASSIGN(appData.variant, q);
10632 Reset(TRUE, FALSE);
10638 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10639 SendToProgram(buf, cps);
10641 currentlyInitializedVariant = gameInfo.variant;
10643 /* [HGM] send opening position in FRC to first engine */
10645 SendToProgram("force\n", cps);
10647 /* engine is now in force mode! Set flag to wake it up after first move. */
10648 setboardSpoiledMachineBlack = 1;
10651 if (cps->sendICS) {
10652 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10653 SendToProgram(buf, cps);
10655 cps->maybeThinking = FALSE;
10656 cps->offeredDraw = 0;
10657 if (!appData.icsActive) {
10658 SendTimeControl(cps, movesPerSession, timeControl,
10659 timeIncrement, appData.searchDepth,
10662 if (appData.showThinking
10663 // [HGM] thinking: four options require thinking output to be sent
10664 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10666 SendToProgram("post\n", cps);
10668 SendToProgram("hard\n", cps);
10669 if (!appData.ponderNextMove) {
10670 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10671 it without being sure what state we are in first. "hard"
10672 is not a toggle, so that one is OK.
10674 SendToProgram("easy\n", cps);
10676 if (cps->usePing) {
10677 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10678 SendToProgram(buf, cps);
10680 cps->initDone = TRUE;
10681 ClearEngineOutputPane(cps == &second);
10686 ResendOptions (ChessProgramState *cps)
10687 { // send the stored value of the options
10690 Option *opt = cps->option;
10691 for(i=0; i<cps->nrOptions; i++, opt++) {
10692 switch(opt->type) {
10696 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10699 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10702 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10708 SendToProgram(buf, cps);
10713 StartChessProgram (ChessProgramState *cps)
10718 if (appData.noChessProgram) return;
10719 cps->initDone = FALSE;
10721 if (strcmp(cps->host, "localhost") == 0) {
10722 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10723 } else if (*appData.remoteShell == NULLCHAR) {
10724 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10726 if (*appData.remoteUser == NULLCHAR) {
10727 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10730 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10731 cps->host, appData.remoteUser, cps->program);
10733 err = StartChildProcess(buf, "", &cps->pr);
10737 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10738 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10739 if(cps != &first) return;
10740 appData.noChessProgram = TRUE;
10743 // DisplayFatalError(buf, err, 1);
10744 // cps->pr = NoProc;
10745 // cps->isr = NULL;
10749 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10750 if (cps->protocolVersion > 1) {
10751 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10752 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10753 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10754 cps->comboCnt = 0; // and values of combo boxes
10756 SendToProgram(buf, cps);
10757 if(cps->reload) ResendOptions(cps);
10759 SendToProgram("xboard\n", cps);
10764 TwoMachinesEventIfReady P((void))
10766 static int curMess = 0;
10767 if (first.lastPing != first.lastPong) {
10768 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10769 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10772 if (second.lastPing != second.lastPong) {
10773 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10774 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10777 DisplayMessage("", ""); curMess = 0;
10778 TwoMachinesEvent();
10782 MakeName (char *template)
10786 static char buf[MSG_SIZ];
10790 clock = time((time_t *)NULL);
10791 tm = localtime(&clock);
10793 while(*p++ = *template++) if(p[-1] == '%') {
10794 switch(*template++) {
10795 case 0: *p = 0; return buf;
10796 case 'Y': i = tm->tm_year+1900; break;
10797 case 'y': i = tm->tm_year-100; break;
10798 case 'M': i = tm->tm_mon+1; break;
10799 case 'd': i = tm->tm_mday; break;
10800 case 'h': i = tm->tm_hour; break;
10801 case 'm': i = tm->tm_min; break;
10802 case 's': i = tm->tm_sec; break;
10805 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10811 CountPlayers (char *p)
10814 while(p = strchr(p, '\n')) p++, n++; // count participants
10819 WriteTourneyFile (char *results, FILE *f)
10820 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10821 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10822 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10823 // create a file with tournament description
10824 fprintf(f, "-participants {%s}\n", appData.participants);
10825 fprintf(f, "-seedBase %d\n", appData.seedBase);
10826 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10827 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10828 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10829 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10830 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10831 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10832 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10833 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10834 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10835 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10836 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10837 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10838 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10839 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10840 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10841 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10842 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10843 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10844 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10845 fprintf(f, "-smpCores %d\n", appData.smpCores);
10847 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10849 fprintf(f, "-mps %d\n", appData.movesPerSession);
10850 fprintf(f, "-tc %s\n", appData.timeControl);
10851 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10853 fprintf(f, "-results \"%s\"\n", results);
10858 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10861 Substitute (char *participants, int expunge)
10863 int i, changed, changes=0, nPlayers=0;
10864 char *p, *q, *r, buf[MSG_SIZ];
10865 if(participants == NULL) return;
10866 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10867 r = p = participants; q = appData.participants;
10868 while(*p && *p == *q) {
10869 if(*p == '\n') r = p+1, nPlayers++;
10872 if(*p) { // difference
10873 while(*p && *p++ != '\n');
10874 while(*q && *q++ != '\n');
10875 changed = nPlayers;
10876 changes = 1 + (strcmp(p, q) != 0);
10878 if(changes == 1) { // a single engine mnemonic was changed
10879 q = r; while(*q) nPlayers += (*q++ == '\n');
10880 p = buf; while(*r && (*p = *r++) != '\n') p++;
10882 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10883 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10884 if(mnemonic[i]) { // The substitute is valid
10886 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10887 flock(fileno(f), LOCK_EX);
10888 ParseArgsFromFile(f);
10889 fseek(f, 0, SEEK_SET);
10890 FREE(appData.participants); appData.participants = participants;
10891 if(expunge) { // erase results of replaced engine
10892 int len = strlen(appData.results), w, b, dummy;
10893 for(i=0; i<len; i++) {
10894 Pairing(i, nPlayers, &w, &b, &dummy);
10895 if((w == changed || b == changed) && appData.results[i] == '*') {
10896 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10901 for(i=0; i<len; i++) {
10902 Pairing(i, nPlayers, &w, &b, &dummy);
10903 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10906 WriteTourneyFile(appData.results, f);
10907 fclose(f); // release lock
10910 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10912 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10913 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10914 free(participants);
10919 CheckPlayers (char *participants)
10922 char buf[MSG_SIZ], *p;
10923 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10924 while(p = strchr(participants, '\n')) {
10926 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10928 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10930 DisplayError(buf, 0);
10934 participants = p + 1;
10940 CreateTourney (char *name)
10943 if(matchMode && strcmp(name, appData.tourneyFile)) {
10944 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10946 if(name[0] == NULLCHAR) {
10947 if(appData.participants[0])
10948 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10951 f = fopen(name, "r");
10952 if(f) { // file exists
10953 ASSIGN(appData.tourneyFile, name);
10954 ParseArgsFromFile(f); // parse it
10956 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10957 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10958 DisplayError(_("Not enough participants"), 0);
10961 if(CheckPlayers(appData.participants)) return 0;
10962 ASSIGN(appData.tourneyFile, name);
10963 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10964 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10967 appData.noChessProgram = FALSE;
10968 appData.clockMode = TRUE;
10974 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10976 char buf[MSG_SIZ], *p, *q;
10977 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10978 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10979 skip = !all && group[0]; // if group requested, we start in skip mode
10980 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10981 p = names; q = buf; header = 0;
10982 while(*p && *p != '\n') *q++ = *p++;
10984 if(*p == '\n') p++;
10985 if(buf[0] == '#') {
10986 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10987 depth++; // we must be entering a new group
10988 if(all) continue; // suppress printing group headers when complete list requested
10990 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10992 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10993 if(engineList[i]) free(engineList[i]);
10994 engineList[i] = strdup(buf);
10995 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10996 if(engineMnemonic[i]) free(engineMnemonic[i]);
10997 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10999 sscanf(q + 8, "%s", buf + strlen(buf));
11002 engineMnemonic[i] = strdup(buf);
11005 engineList[i] = engineMnemonic[i] = NULL;
11009 // following implemented as macro to avoid type limitations
11010 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11013 SwapEngines (int n)
11014 { // swap settings for first engine and other engine (so far only some selected options)
11019 SWAP(chessProgram, p)
11021 SWAP(hasOwnBookUCI, h)
11022 SWAP(protocolVersion, h)
11024 SWAP(scoreIsAbsolute, h)
11029 SWAP(engOptions, p)
11030 SWAP(engInitString, p)
11031 SWAP(computerString, p)
11033 SWAP(fenOverride, p)
11035 SWAP(accumulateTC, h)
11042 GetEngineLine (char *s, int n)
11046 extern char *icsNames;
11047 if(!s || !*s) return 0;
11048 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11049 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11050 if(!mnemonic[i]) return 0;
11051 if(n == 11) return 1; // just testing if there was a match
11052 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11053 if(n == 1) SwapEngines(n);
11054 ParseArgsFromString(buf);
11055 if(n == 1) SwapEngines(n);
11056 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11057 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11058 ParseArgsFromString(buf);
11064 SetPlayer (int player, char *p)
11065 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11067 char buf[MSG_SIZ], *engineName;
11068 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11069 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11070 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11072 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11073 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11074 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11075 ParseArgsFromString(buf);
11076 } else { // no engine with this nickname is installed!
11077 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11078 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11079 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11081 DisplayError(buf, 0);
11088 char *recentEngines;
11091 RecentEngineEvent (int nr)
11094 // SwapEngines(1); // bump first to second
11095 // ReplaceEngine(&second, 1); // and load it there
11096 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11097 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11098 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11099 ReplaceEngine(&first, 0);
11100 FloatToFront(&appData.recentEngineList, command[n]);
11105 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11106 { // determine players from game number
11107 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11109 if(appData.tourneyType == 0) {
11110 roundsPerCycle = (nPlayers - 1) | 1;
11111 pairingsPerRound = nPlayers / 2;
11112 } else if(appData.tourneyType > 0) {
11113 roundsPerCycle = nPlayers - appData.tourneyType;
11114 pairingsPerRound = appData.tourneyType;
11116 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11117 gamesPerCycle = gamesPerRound * roundsPerCycle;
11118 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11119 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11120 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11121 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11122 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11123 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11125 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11126 if(appData.roundSync) *syncInterval = gamesPerRound;
11128 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11130 if(appData.tourneyType == 0) {
11131 if(curPairing == (nPlayers-1)/2 ) {
11132 *whitePlayer = curRound;
11133 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11135 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11136 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11137 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11138 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11140 } else if(appData.tourneyType > 1) {
11141 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11142 *whitePlayer = curRound + appData.tourneyType;
11143 } else if(appData.tourneyType > 0) {
11144 *whitePlayer = curPairing;
11145 *blackPlayer = curRound + appData.tourneyType;
11148 // take care of white/black alternation per round.
11149 // For cycles and games this is already taken care of by default, derived from matchGame!
11150 return curRound & 1;
11154 NextTourneyGame (int nr, int *swapColors)
11155 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11157 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11159 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11160 tf = fopen(appData.tourneyFile, "r");
11161 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11162 ParseArgsFromFile(tf); fclose(tf);
11163 InitTimeControls(); // TC might be altered from tourney file
11165 nPlayers = CountPlayers(appData.participants); // count participants
11166 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11167 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11170 p = q = appData.results;
11171 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11172 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11173 DisplayMessage(_("Waiting for other game(s)"),"");
11174 waitingForGame = TRUE;
11175 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11178 waitingForGame = FALSE;
11181 if(appData.tourneyType < 0) {
11182 if(nr>=0 && !pairingReceived) {
11184 if(pairing.pr == NoProc) {
11185 if(!appData.pairingEngine[0]) {
11186 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11189 StartChessProgram(&pairing); // starts the pairing engine
11191 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11192 SendToProgram(buf, &pairing);
11193 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11194 SendToProgram(buf, &pairing);
11195 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11197 pairingReceived = 0; // ... so we continue here
11199 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11200 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11201 matchGame = 1; roundNr = nr / syncInterval + 1;
11204 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11206 // redefine engines, engine dir, etc.
11207 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11208 if(first.pr == NoProc) {
11209 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11210 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11212 if(second.pr == NoProc) {
11214 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11215 SwapEngines(1); // and make that valid for second engine by swapping
11216 InitEngine(&second, 1);
11218 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11219 UpdateLogos(FALSE); // leave display to ModeHiglight()
11225 { // performs game initialization that does not invoke engines, and then tries to start the game
11226 int res, firstWhite, swapColors = 0;
11227 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11228 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
11230 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11231 if(strcmp(buf, currentDebugFile)) { // name has changed
11232 FILE *f = fopen(buf, "w");
11233 if(f) { // if opening the new file failed, just keep using the old one
11234 ASSIGN(currentDebugFile, buf);
11238 if(appData.serverFileName) {
11239 if(serverFP) fclose(serverFP);
11240 serverFP = fopen(appData.serverFileName, "w");
11241 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11242 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11246 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11247 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11248 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11249 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11250 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11251 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11252 Reset(FALSE, first.pr != NoProc);
11253 res = LoadGameOrPosition(matchGame); // setup game
11254 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11255 if(!res) return; // abort when bad game/pos file
11256 TwoMachinesEvent();
11260 UserAdjudicationEvent (int result)
11262 ChessMove gameResult = GameIsDrawn;
11265 gameResult = WhiteWins;
11267 else if( result < 0 ) {
11268 gameResult = BlackWins;
11271 if( gameMode == TwoMachinesPlay ) {
11272 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11277 // [HGM] save: calculate checksum of game to make games easily identifiable
11279 StringCheckSum (char *s)
11282 if(s==NULL) return 0;
11283 while(*s) i = i*259 + *s++;
11291 for(i=backwardMostMove; i<forwardMostMove; i++) {
11292 sum += pvInfoList[i].depth;
11293 sum += StringCheckSum(parseList[i]);
11294 sum += StringCheckSum(commentList[i]);
11297 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11298 return sum + StringCheckSum(commentList[i]);
11299 } // end of save patch
11302 GameEnds (ChessMove result, char *resultDetails, int whosays)
11304 GameMode nextGameMode;
11306 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11308 if(endingGame) return; /* [HGM] crash: forbid recursion */
11310 if(twoBoards) { // [HGM] dual: switch back to one board
11311 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11312 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11314 if (appData.debugMode) {
11315 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11316 result, resultDetails ? resultDetails : "(null)", whosays);
11319 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11321 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11323 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11324 /* If we are playing on ICS, the server decides when the
11325 game is over, but the engine can offer to draw, claim
11329 if (appData.zippyPlay && first.initDone) {
11330 if (result == GameIsDrawn) {
11331 /* In case draw still needs to be claimed */
11332 SendToICS(ics_prefix);
11333 SendToICS("draw\n");
11334 } else if (StrCaseStr(resultDetails, "resign")) {
11335 SendToICS(ics_prefix);
11336 SendToICS("resign\n");
11340 endingGame = 0; /* [HGM] crash */
11344 /* If we're loading the game from a file, stop */
11345 if (whosays == GE_FILE) {
11346 (void) StopLoadGameTimer();
11350 /* Cancel draw offers */
11351 first.offeredDraw = second.offeredDraw = 0;
11353 /* If this is an ICS game, only ICS can really say it's done;
11354 if not, anyone can. */
11355 isIcsGame = (gameMode == IcsPlayingWhite ||
11356 gameMode == IcsPlayingBlack ||
11357 gameMode == IcsObserving ||
11358 gameMode == IcsExamining);
11360 if (!isIcsGame || whosays == GE_ICS) {
11361 /* OK -- not an ICS game, or ICS said it was done */
11363 if (!isIcsGame && !appData.noChessProgram)
11364 SetUserThinkingEnables();
11366 /* [HGM] if a machine claims the game end we verify this claim */
11367 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11368 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11370 ChessMove trueResult = (ChessMove) -1;
11372 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11373 first.twoMachinesColor[0] :
11374 second.twoMachinesColor[0] ;
11376 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11377 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11378 /* [HGM] verify: engine mate claims accepted if they were flagged */
11379 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11381 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11382 /* [HGM] verify: engine mate claims accepted if they were flagged */
11383 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11385 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11386 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11389 // now verify win claims, but not in drop games, as we don't understand those yet
11390 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11391 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11392 (result == WhiteWins && claimer == 'w' ||
11393 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11394 if (appData.debugMode) {
11395 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11396 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11398 if(result != trueResult) {
11399 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11400 result = claimer == 'w' ? BlackWins : WhiteWins;
11401 resultDetails = buf;
11404 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11405 && (forwardMostMove <= backwardMostMove ||
11406 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11407 (claimer=='b')==(forwardMostMove&1))
11409 /* [HGM] verify: draws that were not flagged are false claims */
11410 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11411 result = claimer == 'w' ? BlackWins : WhiteWins;
11412 resultDetails = buf;
11414 /* (Claiming a loss is accepted no questions asked!) */
11415 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11416 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11417 result = GameUnfinished;
11418 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11420 /* [HGM] bare: don't allow bare King to win */
11421 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11422 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11423 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11424 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11425 && result != GameIsDrawn)
11426 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11427 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11428 int p = (signed char)boards[forwardMostMove][i][j] - color;
11429 if(p >= 0 && p <= (int)WhiteKing) k++;
11430 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11432 if (appData.debugMode) {
11433 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11434 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11436 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11437 result = GameIsDrawn;
11438 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11439 resultDetails = buf;
11445 if(serverMoves != NULL && !loadFlag) { char c = '=';
11446 if(result==WhiteWins) c = '+';
11447 if(result==BlackWins) c = '-';
11448 if(resultDetails != NULL)
11449 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11451 if (resultDetails != NULL) {
11452 gameInfo.result = result;
11453 gameInfo.resultDetails = StrSave(resultDetails);
11455 /* display last move only if game was not loaded from file */
11456 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11457 DisplayMove(currentMove - 1);
11459 if (forwardMostMove != 0) {
11460 if (gameMode != PlayFromGameFile && gameMode != EditGame
11461 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11463 if (*appData.saveGameFile != NULLCHAR) {
11464 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11465 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11467 SaveGameToFile(appData.saveGameFile, TRUE);
11468 } else if (appData.autoSaveGames) {
11469 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11471 if (*appData.savePositionFile != NULLCHAR) {
11472 SavePositionToFile(appData.savePositionFile);
11474 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11478 /* Tell program how game ended in case it is learning */
11479 /* [HGM] Moved this to after saving the PGN, just in case */
11480 /* engine died and we got here through time loss. In that */
11481 /* case we will get a fatal error writing the pipe, which */
11482 /* would otherwise lose us the PGN. */
11483 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11484 /* output during GameEnds should never be fatal anymore */
11485 if (gameMode == MachinePlaysWhite ||
11486 gameMode == MachinePlaysBlack ||
11487 gameMode == TwoMachinesPlay ||
11488 gameMode == IcsPlayingWhite ||
11489 gameMode == IcsPlayingBlack ||
11490 gameMode == BeginningOfGame) {
11492 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11494 if (first.pr != NoProc) {
11495 SendToProgram(buf, &first);
11497 if (second.pr != NoProc &&
11498 gameMode == TwoMachinesPlay) {
11499 SendToProgram(buf, &second);
11504 if (appData.icsActive) {
11505 if (appData.quietPlay &&
11506 (gameMode == IcsPlayingWhite ||
11507 gameMode == IcsPlayingBlack)) {
11508 SendToICS(ics_prefix);
11509 SendToICS("set shout 1\n");
11511 nextGameMode = IcsIdle;
11512 ics_user_moved = FALSE;
11513 /* clean up premove. It's ugly when the game has ended and the
11514 * premove highlights are still on the board.
11517 gotPremove = FALSE;
11518 ClearPremoveHighlights();
11519 DrawPosition(FALSE, boards[currentMove]);
11521 if (whosays == GE_ICS) {
11524 if (gameMode == IcsPlayingWhite)
11526 else if(gameMode == IcsPlayingBlack)
11527 PlayIcsLossSound();
11530 if (gameMode == IcsPlayingBlack)
11532 else if(gameMode == IcsPlayingWhite)
11533 PlayIcsLossSound();
11536 PlayIcsDrawSound();
11539 PlayIcsUnfinishedSound();
11542 if(appData.quitNext) { ExitEvent(0); return; }
11543 } else if (gameMode == EditGame ||
11544 gameMode == PlayFromGameFile ||
11545 gameMode == AnalyzeMode ||
11546 gameMode == AnalyzeFile) {
11547 nextGameMode = gameMode;
11549 nextGameMode = EndOfGame;
11554 nextGameMode = gameMode;
11557 if (appData.noChessProgram) {
11558 gameMode = nextGameMode;
11560 endingGame = 0; /* [HGM] crash */
11565 /* Put first chess program into idle state */
11566 if (first.pr != NoProc &&
11567 (gameMode == MachinePlaysWhite ||
11568 gameMode == MachinePlaysBlack ||
11569 gameMode == TwoMachinesPlay ||
11570 gameMode == IcsPlayingWhite ||
11571 gameMode == IcsPlayingBlack ||
11572 gameMode == BeginningOfGame)) {
11573 SendToProgram("force\n", &first);
11574 if (first.usePing) {
11576 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11577 SendToProgram(buf, &first);
11580 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11581 /* Kill off first chess program */
11582 if (first.isr != NULL)
11583 RemoveInputSource(first.isr);
11586 if (first.pr != NoProc) {
11588 DoSleep( appData.delayBeforeQuit );
11589 SendToProgram("quit\n", &first);
11590 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11591 first.reload = TRUE;
11595 if (second.reuse) {
11596 /* Put second chess program into idle state */
11597 if (second.pr != NoProc &&
11598 gameMode == TwoMachinesPlay) {
11599 SendToProgram("force\n", &second);
11600 if (second.usePing) {
11602 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11603 SendToProgram(buf, &second);
11606 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11607 /* Kill off second chess program */
11608 if (second.isr != NULL)
11609 RemoveInputSource(second.isr);
11612 if (second.pr != NoProc) {
11613 DoSleep( appData.delayBeforeQuit );
11614 SendToProgram("quit\n", &second);
11615 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11616 second.reload = TRUE;
11618 second.pr = NoProc;
11621 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11622 char resChar = '=';
11626 if (first.twoMachinesColor[0] == 'w') {
11629 second.matchWins++;
11634 if (first.twoMachinesColor[0] == 'b') {
11637 second.matchWins++;
11640 case GameUnfinished:
11646 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11647 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11648 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11649 ReserveGame(nextGame, resChar); // sets nextGame
11650 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11651 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11652 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11654 if (nextGame <= appData.matchGames && !abortMatch) {
11655 gameMode = nextGameMode;
11656 matchGame = nextGame; // this will be overruled in tourney mode!
11657 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11658 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11659 endingGame = 0; /* [HGM] crash */
11662 gameMode = nextGameMode;
11663 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11664 first.tidy, second.tidy,
11665 first.matchWins, second.matchWins,
11666 appData.matchGames - (first.matchWins + second.matchWins));
11667 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11668 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11669 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11670 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11671 first.twoMachinesColor = "black\n";
11672 second.twoMachinesColor = "white\n";
11674 first.twoMachinesColor = "white\n";
11675 second.twoMachinesColor = "black\n";
11679 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11680 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11682 gameMode = nextGameMode;
11684 endingGame = 0; /* [HGM] crash */
11685 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11686 if(matchMode == TRUE) { // match through command line: exit with or without popup
11688 ToNrEvent(forwardMostMove);
11689 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11691 } else DisplayFatalError(buf, 0, 0);
11692 } else { // match through menu; just stop, with or without popup
11693 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11696 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11697 } else DisplayNote(buf);
11699 if(ranking) free(ranking);
11703 /* Assumes program was just initialized (initString sent).
11704 Leaves program in force mode. */
11706 FeedMovesToProgram (ChessProgramState *cps, int upto)
11710 if (appData.debugMode)
11711 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11712 startedFromSetupPosition ? "position and " : "",
11713 backwardMostMove, upto, cps->which);
11714 if(currentlyInitializedVariant != gameInfo.variant) {
11716 // [HGM] variantswitch: make engine aware of new variant
11717 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11718 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11719 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11720 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11721 SendToProgram(buf, cps);
11722 currentlyInitializedVariant = gameInfo.variant;
11724 SendToProgram("force\n", cps);
11725 if (startedFromSetupPosition) {
11726 SendBoard(cps, backwardMostMove);
11727 if (appData.debugMode) {
11728 fprintf(debugFP, "feedMoves\n");
11731 for (i = backwardMostMove; i < upto; i++) {
11732 SendMoveToProgram(i, cps);
11738 ResurrectChessProgram ()
11740 /* The chess program may have exited.
11741 If so, restart it and feed it all the moves made so far. */
11742 static int doInit = 0;
11744 if (appData.noChessProgram) return 1;
11746 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11747 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11748 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11749 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11751 if (first.pr != NoProc) return 1;
11752 StartChessProgram(&first);
11754 InitChessProgram(&first, FALSE);
11755 FeedMovesToProgram(&first, currentMove);
11757 if (!first.sendTime) {
11758 /* can't tell gnuchess what its clock should read,
11759 so we bow to its notion. */
11761 timeRemaining[0][currentMove] = whiteTimeRemaining;
11762 timeRemaining[1][currentMove] = blackTimeRemaining;
11765 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11766 appData.icsEngineAnalyze) && first.analysisSupport) {
11767 SendToProgram("analyze\n", &first);
11768 first.analyzing = TRUE;
11774 * Button procedures
11777 Reset (int redraw, int init)
11781 if (appData.debugMode) {
11782 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11783 redraw, init, gameMode);
11785 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11786 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11787 CleanupTail(); // [HGM] vari: delete any stored variations
11788 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11789 pausing = pauseExamInvalid = FALSE;
11790 startedFromSetupPosition = blackPlaysFirst = FALSE;
11792 whiteFlag = blackFlag = FALSE;
11793 userOfferedDraw = FALSE;
11794 hintRequested = bookRequested = FALSE;
11795 first.maybeThinking = FALSE;
11796 second.maybeThinking = FALSE;
11797 first.bookSuspend = FALSE; // [HGM] book
11798 second.bookSuspend = FALSE;
11799 thinkOutput[0] = NULLCHAR;
11800 lastHint[0] = NULLCHAR;
11801 ClearGameInfo(&gameInfo);
11802 gameInfo.variant = StringToVariant(appData.variant);
11803 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11804 ics_user_moved = ics_clock_paused = FALSE;
11805 ics_getting_history = H_FALSE;
11807 white_holding[0] = black_holding[0] = NULLCHAR;
11808 ClearProgramStats();
11809 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11813 flipView = appData.flipView;
11814 ClearPremoveHighlights();
11815 gotPremove = FALSE;
11816 alarmSounded = FALSE;
11817 killX = killY = -1; // [HGM] lion
11819 GameEnds(EndOfFile, NULL, GE_PLAYER);
11820 if(appData.serverMovesName != NULL) {
11821 /* [HGM] prepare to make moves file for broadcasting */
11822 clock_t t = clock();
11823 if(serverMoves != NULL) fclose(serverMoves);
11824 serverMoves = fopen(appData.serverMovesName, "r");
11825 if(serverMoves != NULL) {
11826 fclose(serverMoves);
11827 /* delay 15 sec before overwriting, so all clients can see end */
11828 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11830 serverMoves = fopen(appData.serverMovesName, "w");
11834 gameMode = BeginningOfGame;
11836 if(appData.icsActive) gameInfo.variant = VariantNormal;
11837 currentMove = forwardMostMove = backwardMostMove = 0;
11838 MarkTargetSquares(1);
11839 InitPosition(redraw);
11840 for (i = 0; i < MAX_MOVES; i++) {
11841 if (commentList[i] != NULL) {
11842 free(commentList[i]);
11843 commentList[i] = NULL;
11847 timeRemaining[0][0] = whiteTimeRemaining;
11848 timeRemaining[1][0] = blackTimeRemaining;
11850 if (first.pr == NoProc) {
11851 StartChessProgram(&first);
11854 InitChessProgram(&first, startedFromSetupPosition);
11857 DisplayMessage("", "");
11858 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11859 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11860 ClearMap(); // [HGM] exclude: invalidate map
11864 AutoPlayGameLoop ()
11867 if (!AutoPlayOneMove())
11869 if (matchMode || appData.timeDelay == 0)
11871 if (appData.timeDelay < 0)
11873 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11881 ReloadGame(1); // next game
11887 int fromX, fromY, toX, toY;
11889 if (appData.debugMode) {
11890 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11893 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11896 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11897 pvInfoList[currentMove].depth = programStats.depth;
11898 pvInfoList[currentMove].score = programStats.score;
11899 pvInfoList[currentMove].time = 0;
11900 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11901 else { // append analysis of final position as comment
11903 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11904 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11906 programStats.depth = 0;
11909 if (currentMove >= forwardMostMove) {
11910 if(gameMode == AnalyzeFile) {
11911 if(appData.loadGameIndex == -1) {
11912 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11913 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11915 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11918 // gameMode = EndOfGame;
11919 // ModeHighlight();
11921 /* [AS] Clear current move marker at the end of a game */
11922 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11927 toX = moveList[currentMove][2] - AAA;
11928 toY = moveList[currentMove][3] - ONE;
11930 if (moveList[currentMove][1] == '@') {
11931 if (appData.highlightLastMove) {
11932 SetHighlights(-1, -1, toX, toY);
11935 int viaX = moveList[currentMove][5] - AAA;
11936 int viaY = moveList[currentMove][6] - ONE;
11937 fromX = moveList[currentMove][0] - AAA;
11938 fromY = moveList[currentMove][1] - ONE;
11940 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11942 if(moveList[currentMove][4] == ';') { // multi-leg
11943 ChessSquare piece = boards[currentMove][viaY][viaX];
11944 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11945 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11946 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11947 boards[currentMove][viaY][viaX] = piece;
11949 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11951 if (appData.highlightLastMove) {
11952 SetHighlights(fromX, fromY, toX, toY);
11955 DisplayMove(currentMove);
11956 SendMoveToProgram(currentMove++, &first);
11957 DisplayBothClocks();
11958 DrawPosition(FALSE, boards[currentMove]);
11959 // [HGM] PV info: always display, routine tests if empty
11960 DisplayComment(currentMove - 1, commentList[currentMove]);
11966 LoadGameOneMove (ChessMove readAhead)
11968 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11969 char promoChar = NULLCHAR;
11970 ChessMove moveType;
11971 char move[MSG_SIZ];
11974 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11975 gameMode != AnalyzeMode && gameMode != Training) {
11980 yyboardindex = forwardMostMove;
11981 if (readAhead != EndOfFile) {
11982 moveType = readAhead;
11984 if (gameFileFP == NULL)
11986 moveType = (ChessMove) Myylex();
11990 switch (moveType) {
11992 if (appData.debugMode)
11993 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11996 /* append the comment but don't display it */
11997 AppendComment(currentMove, p, FALSE);
12000 case WhiteCapturesEnPassant:
12001 case BlackCapturesEnPassant:
12002 case WhitePromotion:
12003 case BlackPromotion:
12004 case WhiteNonPromotion:
12005 case BlackNonPromotion:
12008 case WhiteKingSideCastle:
12009 case WhiteQueenSideCastle:
12010 case BlackKingSideCastle:
12011 case BlackQueenSideCastle:
12012 case WhiteKingSideCastleWild:
12013 case WhiteQueenSideCastleWild:
12014 case BlackKingSideCastleWild:
12015 case BlackQueenSideCastleWild:
12017 case WhiteHSideCastleFR:
12018 case WhiteASideCastleFR:
12019 case BlackHSideCastleFR:
12020 case BlackASideCastleFR:
12022 if (appData.debugMode)
12023 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12024 fromX = currentMoveString[0] - AAA;
12025 fromY = currentMoveString[1] - ONE;
12026 toX = currentMoveString[2] - AAA;
12027 toY = currentMoveString[3] - ONE;
12028 promoChar = currentMoveString[4];
12029 if(promoChar == ';') promoChar = NULLCHAR;
12034 if (appData.debugMode)
12035 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12036 fromX = moveType == WhiteDrop ?
12037 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12038 (int) CharToPiece(ToLower(currentMoveString[0]));
12040 toX = currentMoveString[2] - AAA;
12041 toY = currentMoveString[3] - ONE;
12047 case GameUnfinished:
12048 if (appData.debugMode)
12049 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12050 p = strchr(yy_text, '{');
12051 if (p == NULL) p = strchr(yy_text, '(');
12054 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12056 q = strchr(p, *p == '{' ? '}' : ')');
12057 if (q != NULL) *q = NULLCHAR;
12060 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12061 GameEnds(moveType, p, GE_FILE);
12063 if (cmailMsgLoaded) {
12065 flipView = WhiteOnMove(currentMove);
12066 if (moveType == GameUnfinished) flipView = !flipView;
12067 if (appData.debugMode)
12068 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12073 if (appData.debugMode)
12074 fprintf(debugFP, "Parser hit end of file\n");
12075 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12081 if (WhiteOnMove(currentMove)) {
12082 GameEnds(BlackWins, "Black mates", GE_FILE);
12084 GameEnds(WhiteWins, "White mates", GE_FILE);
12088 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12094 case MoveNumberOne:
12095 if (lastLoadGameStart == GNUChessGame) {
12096 /* GNUChessGames have numbers, but they aren't move numbers */
12097 if (appData.debugMode)
12098 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12099 yy_text, (int) moveType);
12100 return LoadGameOneMove(EndOfFile); /* tail recursion */
12102 /* else fall thru */
12107 /* Reached start of next game in file */
12108 if (appData.debugMode)
12109 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12110 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12116 if (WhiteOnMove(currentMove)) {
12117 GameEnds(BlackWins, "Black mates", GE_FILE);
12119 GameEnds(WhiteWins, "White mates", GE_FILE);
12123 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12129 case PositionDiagram: /* should not happen; ignore */
12130 case ElapsedTime: /* ignore */
12131 case NAG: /* ignore */
12132 if (appData.debugMode)
12133 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12134 yy_text, (int) moveType);
12135 return LoadGameOneMove(EndOfFile); /* tail recursion */
12138 if (appData.testLegality) {
12139 if (appData.debugMode)
12140 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12141 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12142 (forwardMostMove / 2) + 1,
12143 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12144 DisplayError(move, 0);
12147 if (appData.debugMode)
12148 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12149 yy_text, currentMoveString);
12150 if(currentMoveString[1] == '@') {
12151 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12154 fromX = currentMoveString[0] - AAA;
12155 fromY = currentMoveString[1] - ONE;
12157 toX = currentMoveString[2] - AAA;
12158 toY = currentMoveString[3] - ONE;
12159 promoChar = currentMoveString[4];
12163 case AmbiguousMove:
12164 if (appData.debugMode)
12165 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12166 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12167 (forwardMostMove / 2) + 1,
12168 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12169 DisplayError(move, 0);
12174 case ImpossibleMove:
12175 if (appData.debugMode)
12176 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12177 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12178 (forwardMostMove / 2) + 1,
12179 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12180 DisplayError(move, 0);
12186 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12187 DrawPosition(FALSE, boards[currentMove]);
12188 DisplayBothClocks();
12189 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12190 DisplayComment(currentMove - 1, commentList[currentMove]);
12192 (void) StopLoadGameTimer();
12194 cmailOldMove = forwardMostMove;
12197 /* currentMoveString is set as a side-effect of yylex */
12199 thinkOutput[0] = NULLCHAR;
12200 MakeMove(fromX, fromY, toX, toY, promoChar);
12201 killX = killY = -1; // [HGM] lion: used up
12202 currentMove = forwardMostMove;
12207 /* Load the nth game from the given file */
12209 LoadGameFromFile (char *filename, int n, char *title, int useList)
12214 if (strcmp(filename, "-") == 0) {
12218 f = fopen(filename, "rb");
12220 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12221 DisplayError(buf, errno);
12225 if (fseek(f, 0, 0) == -1) {
12226 /* f is not seekable; probably a pipe */
12229 if (useList && n == 0) {
12230 int error = GameListBuild(f);
12232 DisplayError(_("Cannot build game list"), error);
12233 } else if (!ListEmpty(&gameList) &&
12234 ((ListGame *) gameList.tailPred)->number > 1) {
12235 GameListPopUp(f, title);
12242 return LoadGame(f, n, title, FALSE);
12247 MakeRegisteredMove ()
12249 int fromX, fromY, toX, toY;
12251 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12252 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12255 if (appData.debugMode)
12256 fprintf(debugFP, "Restoring %s for game %d\n",
12257 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12259 thinkOutput[0] = NULLCHAR;
12260 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12261 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12262 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12263 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12264 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12265 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12266 MakeMove(fromX, fromY, toX, toY, promoChar);
12267 ShowMove(fromX, fromY, toX, toY);
12269 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12276 if (WhiteOnMove(currentMove)) {
12277 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12279 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12284 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12291 if (WhiteOnMove(currentMove)) {
12292 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12294 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12299 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12310 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12312 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12316 if (gameNumber > nCmailGames) {
12317 DisplayError(_("No more games in this message"), 0);
12320 if (f == lastLoadGameFP) {
12321 int offset = gameNumber - lastLoadGameNumber;
12323 cmailMsg[0] = NULLCHAR;
12324 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12325 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12326 nCmailMovesRegistered--;
12328 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12329 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12330 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12333 if (! RegisterMove()) return FALSE;
12337 retVal = LoadGame(f, gameNumber, title, useList);
12339 /* Make move registered during previous look at this game, if any */
12340 MakeRegisteredMove();
12342 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12343 commentList[currentMove]
12344 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12345 DisplayComment(currentMove - 1, commentList[currentMove]);
12351 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12353 ReloadGame (int offset)
12355 int gameNumber = lastLoadGameNumber + offset;
12356 if (lastLoadGameFP == NULL) {
12357 DisplayError(_("No game has been loaded yet"), 0);
12360 if (gameNumber <= 0) {
12361 DisplayError(_("Can't back up any further"), 0);
12364 if (cmailMsgLoaded) {
12365 return CmailLoadGame(lastLoadGameFP, gameNumber,
12366 lastLoadGameTitle, lastLoadGameUseList);
12368 return LoadGame(lastLoadGameFP, gameNumber,
12369 lastLoadGameTitle, lastLoadGameUseList);
12373 int keys[EmptySquare+1];
12376 PositionMatches (Board b1, Board b2)
12379 switch(appData.searchMode) {
12380 case 1: return CompareWithRights(b1, b2);
12382 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12383 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12387 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12388 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12389 sum += keys[b1[r][f]] - keys[b2[r][f]];
12393 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12394 sum += keys[b1[r][f]] - keys[b2[r][f]];
12406 int pieceList[256], quickBoard[256];
12407 ChessSquare pieceType[256] = { EmptySquare };
12408 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12409 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12410 int soughtTotal, turn;
12411 Boolean epOK, flipSearch;
12414 unsigned char piece, to;
12417 #define DSIZE (250000)
12419 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12420 Move *moveDatabase = initialSpace;
12421 unsigned int movePtr, dataSize = DSIZE;
12424 MakePieceList (Board board, int *counts)
12426 int r, f, n=Q_PROMO, total=0;
12427 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12428 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12429 int sq = f + (r<<4);
12430 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12431 quickBoard[sq] = ++n;
12433 pieceType[n] = board[r][f];
12434 counts[board[r][f]]++;
12435 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12436 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12440 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12445 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12447 int sq = fromX + (fromY<<4);
12448 int piece = quickBoard[sq], rook;
12449 quickBoard[sq] = 0;
12450 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12451 if(piece == pieceList[1] && fromY == toY) {
12452 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12453 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12454 moveDatabase[movePtr++].piece = Q_WCASTL;
12455 quickBoard[sq] = piece;
12456 piece = quickBoard[from]; quickBoard[from] = 0;
12457 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12458 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12459 quickBoard[sq] = 0; // remove Rook
12460 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12461 moveDatabase[movePtr++].piece = Q_WCASTL;
12462 quickBoard[sq] = pieceList[1]; // put King
12464 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12467 if(piece == pieceList[2] && fromY == toY) {
12468 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12469 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12470 moveDatabase[movePtr++].piece = Q_BCASTL;
12471 quickBoard[sq] = piece;
12472 piece = quickBoard[from]; quickBoard[from] = 0;
12473 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12474 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12475 quickBoard[sq] = 0; // remove Rook
12476 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12477 moveDatabase[movePtr++].piece = Q_BCASTL;
12478 quickBoard[sq] = pieceList[2]; // put King
12480 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12483 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12484 quickBoard[(fromY<<4)+toX] = 0;
12485 moveDatabase[movePtr].piece = Q_EP;
12486 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12487 moveDatabase[movePtr].to = sq;
12489 if(promoPiece != pieceType[piece]) {
12490 moveDatabase[movePtr++].piece = Q_PROMO;
12491 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12493 moveDatabase[movePtr].piece = piece;
12494 quickBoard[sq] = piece;
12499 PackGame (Board board)
12501 Move *newSpace = NULL;
12502 moveDatabase[movePtr].piece = 0; // terminate previous game
12503 if(movePtr > dataSize) {
12504 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12505 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12506 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12509 Move *p = moveDatabase, *q = newSpace;
12510 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12511 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12512 moveDatabase = newSpace;
12513 } else { // calloc failed, we must be out of memory. Too bad...
12514 dataSize = 0; // prevent calloc events for all subsequent games
12515 return 0; // and signal this one isn't cached
12519 MakePieceList(board, counts);
12524 QuickCompare (Board board, int *minCounts, int *maxCounts)
12525 { // compare according to search mode
12527 switch(appData.searchMode)
12529 case 1: // exact position match
12530 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12531 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12532 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12535 case 2: // can have extra material on empty squares
12536 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12537 if(board[r][f] == EmptySquare) continue;
12538 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12541 case 3: // material with exact Pawn structure
12542 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12543 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12544 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12545 } // fall through to material comparison
12546 case 4: // exact material
12547 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12549 case 6: // material range with given imbalance
12550 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12551 // fall through to range comparison
12552 case 5: // material range
12553 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12559 QuickScan (Board board, Move *move)
12560 { // reconstruct game,and compare all positions in it
12561 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12563 int piece = move->piece;
12564 int to = move->to, from = pieceList[piece];
12565 if(found < 0) { // if already found just scan to game end for final piece count
12566 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12567 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12568 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12569 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12571 static int lastCounts[EmptySquare+1];
12573 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12574 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12575 } else stretch = 0;
12576 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12577 if(found >= 0 && !appData.minPieces) return found;
12579 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12580 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12581 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12582 piece = (++move)->piece;
12583 from = pieceList[piece];
12584 counts[pieceType[piece]]--;
12585 pieceType[piece] = (ChessSquare) move->to;
12586 counts[move->to]++;
12587 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12588 counts[pieceType[quickBoard[to]]]--;
12589 quickBoard[to] = 0; total--;
12592 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12593 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12594 from = pieceList[piece]; // so this must be King
12595 quickBoard[from] = 0;
12596 pieceList[piece] = to;
12597 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12598 quickBoard[from] = 0; // rook
12599 quickBoard[to] = piece;
12600 to = move->to; piece = move->piece;
12604 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12605 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12606 quickBoard[from] = 0;
12608 quickBoard[to] = piece;
12609 pieceList[piece] = to;
12619 flipSearch = FALSE;
12620 CopyBoard(soughtBoard, boards[currentMove]);
12621 soughtTotal = MakePieceList(soughtBoard, maxSought);
12622 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12623 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12624 CopyBoard(reverseBoard, boards[currentMove]);
12625 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12626 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12627 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12628 reverseBoard[r][f] = piece;
12630 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12631 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12632 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12633 || (boards[currentMove][CASTLING][2] == NoRights ||
12634 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12635 && (boards[currentMove][CASTLING][5] == NoRights ||
12636 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12639 CopyBoard(flipBoard, soughtBoard);
12640 CopyBoard(rotateBoard, reverseBoard);
12641 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12642 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12643 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12646 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12647 if(appData.searchMode >= 5) {
12648 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12649 MakePieceList(soughtBoard, minSought);
12650 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12652 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12653 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12656 GameInfo dummyInfo;
12657 static int creatingBook;
12660 GameContainsPosition (FILE *f, ListGame *lg)
12662 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12663 int fromX, fromY, toX, toY;
12665 static int initDone=FALSE;
12667 // weed out games based on numerical tag comparison
12668 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12669 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12670 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12671 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12673 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12676 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12677 else CopyBoard(boards[scratch], initialPosition); // default start position
12680 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12681 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12684 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12685 fseek(f, lg->offset, 0);
12688 yyboardindex = scratch;
12689 quickFlag = plyNr+1;
12694 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12700 if(plyNr) return -1; // after we have seen moves, this is for new game
12703 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12704 case ImpossibleMove:
12705 case WhiteWins: // game ends here with these four
12708 case GameUnfinished:
12712 if(appData.testLegality) return -1;
12713 case WhiteCapturesEnPassant:
12714 case BlackCapturesEnPassant:
12715 case WhitePromotion:
12716 case BlackPromotion:
12717 case WhiteNonPromotion:
12718 case BlackNonPromotion:
12721 case WhiteKingSideCastle:
12722 case WhiteQueenSideCastle:
12723 case BlackKingSideCastle:
12724 case BlackQueenSideCastle:
12725 case WhiteKingSideCastleWild:
12726 case WhiteQueenSideCastleWild:
12727 case BlackKingSideCastleWild:
12728 case BlackQueenSideCastleWild:
12729 case WhiteHSideCastleFR:
12730 case WhiteASideCastleFR:
12731 case BlackHSideCastleFR:
12732 case BlackASideCastleFR:
12733 fromX = currentMoveString[0] - AAA;
12734 fromY = currentMoveString[1] - ONE;
12735 toX = currentMoveString[2] - AAA;
12736 toY = currentMoveString[3] - ONE;
12737 promoChar = currentMoveString[4];
12741 fromX = next == WhiteDrop ?
12742 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12743 (int) CharToPiece(ToLower(currentMoveString[0]));
12745 toX = currentMoveString[2] - AAA;
12746 toY = currentMoveString[3] - ONE;
12750 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12752 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12753 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12754 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12755 if(appData.findMirror) {
12756 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12757 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12762 /* Load the nth game from open file f */
12764 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12768 int gn = gameNumber;
12769 ListGame *lg = NULL;
12770 int numPGNTags = 0;
12772 GameMode oldGameMode;
12773 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12774 char oldName[MSG_SIZ];
12776 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12778 if (appData.debugMode)
12779 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12781 if (gameMode == Training )
12782 SetTrainingModeOff();
12784 oldGameMode = gameMode;
12785 if (gameMode != BeginningOfGame) {
12786 Reset(FALSE, TRUE);
12788 killX = killY = -1; // [HGM] lion: in case we did not Reset
12791 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12792 fclose(lastLoadGameFP);
12796 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12799 fseek(f, lg->offset, 0);
12800 GameListHighlight(gameNumber);
12801 pos = lg->position;
12805 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12806 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12808 DisplayError(_("Game number out of range"), 0);
12813 if (fseek(f, 0, 0) == -1) {
12814 if (f == lastLoadGameFP ?
12815 gameNumber == lastLoadGameNumber + 1 :
12819 DisplayError(_("Can't seek on game file"), 0);
12824 lastLoadGameFP = f;
12825 lastLoadGameNumber = gameNumber;
12826 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12827 lastLoadGameUseList = useList;
12831 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12832 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12833 lg->gameInfo.black);
12835 } else if (*title != NULLCHAR) {
12836 if (gameNumber > 1) {
12837 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12840 DisplayTitle(title);
12844 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12845 gameMode = PlayFromGameFile;
12849 currentMove = forwardMostMove = backwardMostMove = 0;
12850 CopyBoard(boards[0], initialPosition);
12854 * Skip the first gn-1 games in the file.
12855 * Also skip over anything that precedes an identifiable
12856 * start of game marker, to avoid being confused by
12857 * garbage at the start of the file. Currently
12858 * recognized start of game markers are the move number "1",
12859 * the pattern "gnuchess .* game", the pattern
12860 * "^[#;%] [^ ]* game file", and a PGN tag block.
12861 * A game that starts with one of the latter two patterns
12862 * will also have a move number 1, possibly
12863 * following a position diagram.
12864 * 5-4-02: Let's try being more lenient and allowing a game to
12865 * start with an unnumbered move. Does that break anything?
12867 cm = lastLoadGameStart = EndOfFile;
12869 yyboardindex = forwardMostMove;
12870 cm = (ChessMove) Myylex();
12873 if (cmailMsgLoaded) {
12874 nCmailGames = CMAIL_MAX_GAMES - gn;
12877 DisplayError(_("Game not found in file"), 0);
12884 lastLoadGameStart = cm;
12887 case MoveNumberOne:
12888 switch (lastLoadGameStart) {
12893 case MoveNumberOne:
12895 gn--; /* count this game */
12896 lastLoadGameStart = cm;
12905 switch (lastLoadGameStart) {
12908 case MoveNumberOne:
12910 gn--; /* count this game */
12911 lastLoadGameStart = cm;
12914 lastLoadGameStart = cm; /* game counted already */
12922 yyboardindex = forwardMostMove;
12923 cm = (ChessMove) Myylex();
12924 } while (cm == PGNTag || cm == Comment);
12931 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12932 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12933 != CMAIL_OLD_RESULT) {
12935 cmailResult[ CMAIL_MAX_GAMES
12936 - gn - 1] = CMAIL_OLD_RESULT;
12943 /* Only a NormalMove can be at the start of a game
12944 * without a position diagram. */
12945 if (lastLoadGameStart == EndOfFile ) {
12947 lastLoadGameStart = MoveNumberOne;
12956 if (appData.debugMode)
12957 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12959 if (cm == XBoardGame) {
12960 /* Skip any header junk before position diagram and/or move 1 */
12962 yyboardindex = forwardMostMove;
12963 cm = (ChessMove) Myylex();
12965 if (cm == EndOfFile ||
12966 cm == GNUChessGame || cm == XBoardGame) {
12967 /* Empty game; pretend end-of-file and handle later */
12972 if (cm == MoveNumberOne || cm == PositionDiagram ||
12973 cm == PGNTag || cm == Comment)
12976 } else if (cm == GNUChessGame) {
12977 if (gameInfo.event != NULL) {
12978 free(gameInfo.event);
12980 gameInfo.event = StrSave(yy_text);
12983 startedFromSetupPosition = FALSE;
12984 while (cm == PGNTag) {
12985 if (appData.debugMode)
12986 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12987 err = ParsePGNTag(yy_text, &gameInfo);
12988 if (!err) numPGNTags++;
12990 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12991 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
12992 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12993 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12994 InitPosition(TRUE);
12995 oldVariant = gameInfo.variant;
12996 if (appData.debugMode)
12997 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13001 if (gameInfo.fen != NULL) {
13002 Board initial_position;
13003 startedFromSetupPosition = TRUE;
13004 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13006 DisplayError(_("Bad FEN position in file"), 0);
13009 CopyBoard(boards[0], initial_position);
13010 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13011 CopyBoard(initialPosition, initial_position);
13012 if (blackPlaysFirst) {
13013 currentMove = forwardMostMove = backwardMostMove = 1;
13014 CopyBoard(boards[1], initial_position);
13015 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13016 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13017 timeRemaining[0][1] = whiteTimeRemaining;
13018 timeRemaining[1][1] = blackTimeRemaining;
13019 if (commentList[0] != NULL) {
13020 commentList[1] = commentList[0];
13021 commentList[0] = NULL;
13024 currentMove = forwardMostMove = backwardMostMove = 0;
13026 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13028 initialRulePlies = FENrulePlies;
13029 for( i=0; i< nrCastlingRights; i++ )
13030 initialRights[i] = initial_position[CASTLING][i];
13032 yyboardindex = forwardMostMove;
13033 free(gameInfo.fen);
13034 gameInfo.fen = NULL;
13037 yyboardindex = forwardMostMove;
13038 cm = (ChessMove) Myylex();
13040 /* Handle comments interspersed among the tags */
13041 while (cm == Comment) {
13043 if (appData.debugMode)
13044 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13046 AppendComment(currentMove, p, FALSE);
13047 yyboardindex = forwardMostMove;
13048 cm = (ChessMove) Myylex();
13052 /* don't rely on existence of Event tag since if game was
13053 * pasted from clipboard the Event tag may not exist
13055 if (numPGNTags > 0){
13057 if (gameInfo.variant == VariantNormal) {
13058 VariantClass v = StringToVariant(gameInfo.event);
13059 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13060 if(v < VariantShogi) gameInfo.variant = v;
13063 if( appData.autoDisplayTags ) {
13064 tags = PGNTags(&gameInfo);
13065 TagsPopUp(tags, CmailMsg());
13070 /* Make something up, but don't display it now */
13075 if (cm == PositionDiagram) {
13078 Board initial_position;
13080 if (appData.debugMode)
13081 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13083 if (!startedFromSetupPosition) {
13085 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13086 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13097 initial_position[i][j++] = CharToPiece(*p);
13100 while (*p == ' ' || *p == '\t' ||
13101 *p == '\n' || *p == '\r') p++;
13103 if (strncmp(p, "black", strlen("black"))==0)
13104 blackPlaysFirst = TRUE;
13106 blackPlaysFirst = FALSE;
13107 startedFromSetupPosition = TRUE;
13109 CopyBoard(boards[0], initial_position);
13110 if (blackPlaysFirst) {
13111 currentMove = forwardMostMove = backwardMostMove = 1;
13112 CopyBoard(boards[1], initial_position);
13113 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13114 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13115 timeRemaining[0][1] = whiteTimeRemaining;
13116 timeRemaining[1][1] = blackTimeRemaining;
13117 if (commentList[0] != NULL) {
13118 commentList[1] = commentList[0];
13119 commentList[0] = NULL;
13122 currentMove = forwardMostMove = backwardMostMove = 0;
13125 yyboardindex = forwardMostMove;
13126 cm = (ChessMove) Myylex();
13129 if(!creatingBook) {
13130 if (first.pr == NoProc) {
13131 StartChessProgram(&first);
13133 InitChessProgram(&first, FALSE);
13134 if(gameInfo.variant == VariantUnknown && *oldName) {
13135 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13136 gameInfo.variant = v;
13138 SendToProgram("force\n", &first);
13139 if (startedFromSetupPosition) {
13140 SendBoard(&first, forwardMostMove);
13141 if (appData.debugMode) {
13142 fprintf(debugFP, "Load Game\n");
13144 DisplayBothClocks();
13148 /* [HGM] server: flag to write setup moves in broadcast file as one */
13149 loadFlag = appData.suppressLoadMoves;
13151 while (cm == Comment) {
13153 if (appData.debugMode)
13154 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13156 AppendComment(currentMove, p, FALSE);
13157 yyboardindex = forwardMostMove;
13158 cm = (ChessMove) Myylex();
13161 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13162 cm == WhiteWins || cm == BlackWins ||
13163 cm == GameIsDrawn || cm == GameUnfinished) {
13164 DisplayMessage("", _("No moves in game"));
13165 if (cmailMsgLoaded) {
13166 if (appData.debugMode)
13167 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13171 DrawPosition(FALSE, boards[currentMove]);
13172 DisplayBothClocks();
13173 gameMode = EditGame;
13180 // [HGM] PV info: routine tests if comment empty
13181 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13182 DisplayComment(currentMove - 1, commentList[currentMove]);
13184 if (!matchMode && appData.timeDelay != 0)
13185 DrawPosition(FALSE, boards[currentMove]);
13187 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13188 programStats.ok_to_send = 1;
13191 /* if the first token after the PGN tags is a move
13192 * and not move number 1, retrieve it from the parser
13194 if (cm != MoveNumberOne)
13195 LoadGameOneMove(cm);
13197 /* load the remaining moves from the file */
13198 while (LoadGameOneMove(EndOfFile)) {
13199 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13200 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13203 /* rewind to the start of the game */
13204 currentMove = backwardMostMove;
13206 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13208 if (oldGameMode == AnalyzeFile) {
13209 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13210 AnalyzeFileEvent();
13212 if (oldGameMode == AnalyzeMode) {
13213 AnalyzeFileEvent();
13216 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13217 long int w, b; // [HGM] adjourn: restore saved clock times
13218 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13219 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13220 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13221 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13225 if(creatingBook) return TRUE;
13226 if (!matchMode && pos > 0) {
13227 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13229 if (matchMode || appData.timeDelay == 0) {
13231 } else if (appData.timeDelay > 0) {
13232 AutoPlayGameLoop();
13235 if (appData.debugMode)
13236 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13238 loadFlag = 0; /* [HGM] true game starts */
13242 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13244 ReloadPosition (int offset)
13246 int positionNumber = lastLoadPositionNumber + offset;
13247 if (lastLoadPositionFP == NULL) {
13248 DisplayError(_("No position has been loaded yet"), 0);
13251 if (positionNumber <= 0) {
13252 DisplayError(_("Can't back up any further"), 0);
13255 return LoadPosition(lastLoadPositionFP, positionNumber,
13256 lastLoadPositionTitle);
13259 /* Load the nth position from the given file */
13261 LoadPositionFromFile (char *filename, int n, char *title)
13266 if (strcmp(filename, "-") == 0) {
13267 return LoadPosition(stdin, n, "stdin");
13269 f = fopen(filename, "rb");
13271 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13272 DisplayError(buf, errno);
13275 return LoadPosition(f, n, title);
13280 /* Load the nth position from the given open file, and close it */
13282 LoadPosition (FILE *f, int positionNumber, char *title)
13284 char *p, line[MSG_SIZ];
13285 Board initial_position;
13286 int i, j, fenMode, pn;
13288 if (gameMode == Training )
13289 SetTrainingModeOff();
13291 if (gameMode != BeginningOfGame) {
13292 Reset(FALSE, TRUE);
13294 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13295 fclose(lastLoadPositionFP);
13297 if (positionNumber == 0) positionNumber = 1;
13298 lastLoadPositionFP = f;
13299 lastLoadPositionNumber = positionNumber;
13300 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13301 if (first.pr == NoProc && !appData.noChessProgram) {
13302 StartChessProgram(&first);
13303 InitChessProgram(&first, FALSE);
13305 pn = positionNumber;
13306 if (positionNumber < 0) {
13307 /* Negative position number means to seek to that byte offset */
13308 if (fseek(f, -positionNumber, 0) == -1) {
13309 DisplayError(_("Can't seek on position file"), 0);
13314 if (fseek(f, 0, 0) == -1) {
13315 if (f == lastLoadPositionFP ?
13316 positionNumber == lastLoadPositionNumber + 1 :
13317 positionNumber == 1) {
13320 DisplayError(_("Can't seek on position file"), 0);
13325 /* See if this file is FEN or old-style xboard */
13326 if (fgets(line, MSG_SIZ, f) == NULL) {
13327 DisplayError(_("Position not found in file"), 0);
13330 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13331 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13334 if (fenMode || line[0] == '#') pn--;
13336 /* skip positions before number pn */
13337 if (fgets(line, MSG_SIZ, f) == NULL) {
13339 DisplayError(_("Position not found in file"), 0);
13342 if (fenMode || line[0] == '#') pn--;
13348 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13349 DisplayError(_("Bad FEN position in file"), 0);
13352 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13353 sscanf(p+3, "%s", bestMove);
13354 } else *bestMove = NULLCHAR;
13356 (void) fgets(line, MSG_SIZ, f);
13357 (void) fgets(line, MSG_SIZ, f);
13359 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13360 (void) fgets(line, MSG_SIZ, f);
13361 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13364 initial_position[i][j++] = CharToPiece(*p);
13368 blackPlaysFirst = FALSE;
13370 (void) fgets(line, MSG_SIZ, f);
13371 if (strncmp(line, "black", strlen("black"))==0)
13372 blackPlaysFirst = TRUE;
13375 startedFromSetupPosition = TRUE;
13377 CopyBoard(boards[0], initial_position);
13378 if (blackPlaysFirst) {
13379 currentMove = forwardMostMove = backwardMostMove = 1;
13380 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13381 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13382 CopyBoard(boards[1], initial_position);
13383 DisplayMessage("", _("Black to play"));
13385 currentMove = forwardMostMove = backwardMostMove = 0;
13386 DisplayMessage("", _("White to play"));
13388 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13389 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13390 SendToProgram("force\n", &first);
13391 SendBoard(&first, forwardMostMove);
13393 if (appData.debugMode) {
13395 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13396 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13397 fprintf(debugFP, "Load Position\n");
13400 if (positionNumber > 1) {
13401 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13402 DisplayTitle(line);
13404 DisplayTitle(title);
13406 gameMode = EditGame;
13409 timeRemaining[0][1] = whiteTimeRemaining;
13410 timeRemaining[1][1] = blackTimeRemaining;
13411 DrawPosition(FALSE, boards[currentMove]);
13418 CopyPlayerNameIntoFileName (char **dest, char *src)
13420 while (*src != NULLCHAR && *src != ',') {
13425 *(*dest)++ = *src++;
13431 DefaultFileName (char *ext)
13433 static char def[MSG_SIZ];
13436 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13438 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13440 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13442 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13449 /* Save the current game to the given file */
13451 SaveGameToFile (char *filename, int append)
13455 int result, i, t,tot=0;
13457 if (strcmp(filename, "-") == 0) {
13458 return SaveGame(stdout, 0, NULL);
13460 for(i=0; i<10; i++) { // upto 10 tries
13461 f = fopen(filename, append ? "a" : "w");
13462 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13463 if(f || errno != 13) break;
13464 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13468 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13469 DisplayError(buf, errno);
13472 safeStrCpy(buf, lastMsg, MSG_SIZ);
13473 DisplayMessage(_("Waiting for access to save file"), "");
13474 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13475 DisplayMessage(_("Saving game"), "");
13476 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13477 result = SaveGame(f, 0, NULL);
13478 DisplayMessage(buf, "");
13485 SavePart (char *str)
13487 static char buf[MSG_SIZ];
13490 p = strchr(str, ' ');
13491 if (p == NULL) return str;
13492 strncpy(buf, str, p - str);
13493 buf[p - str] = NULLCHAR;
13497 #define PGN_MAX_LINE 75
13499 #define PGN_SIDE_WHITE 0
13500 #define PGN_SIDE_BLACK 1
13503 FindFirstMoveOutOfBook (int side)
13507 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13508 int index = backwardMostMove;
13509 int has_book_hit = 0;
13511 if( (index % 2) != side ) {
13515 while( index < forwardMostMove ) {
13516 /* Check to see if engine is in book */
13517 int depth = pvInfoList[index].depth;
13518 int score = pvInfoList[index].score;
13524 else if( score == 0 && depth == 63 ) {
13525 in_book = 1; /* Zappa */
13527 else if( score == 2 && depth == 99 ) {
13528 in_book = 1; /* Abrok */
13531 has_book_hit += in_book;
13547 GetOutOfBookInfo (char * buf)
13551 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13553 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13554 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13558 if( oob[0] >= 0 || oob[1] >= 0 ) {
13559 for( i=0; i<2; i++ ) {
13563 if( i > 0 && oob[0] >= 0 ) {
13564 strcat( buf, " " );
13567 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13568 sprintf( buf+strlen(buf), "%s%.2f",
13569 pvInfoList[idx].score >= 0 ? "+" : "",
13570 pvInfoList[idx].score / 100.0 );
13576 /* Save game in PGN style */
13578 SaveGamePGN2 (FILE *f)
13580 int i, offset, linelen, newblock;
13583 int movelen, numlen, blank;
13584 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13586 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13588 PrintPGNTags(f, &gameInfo);
13590 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13592 if (backwardMostMove > 0 || startedFromSetupPosition) {
13593 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13594 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13595 fprintf(f, "\n{--------------\n");
13596 PrintPosition(f, backwardMostMove);
13597 fprintf(f, "--------------}\n");
13601 /* [AS] Out of book annotation */
13602 if( appData.saveOutOfBookInfo ) {
13605 GetOutOfBookInfo( buf );
13607 if( buf[0] != '\0' ) {
13608 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13615 i = backwardMostMove;
13619 while (i < forwardMostMove) {
13620 /* Print comments preceding this move */
13621 if (commentList[i] != NULL) {
13622 if (linelen > 0) fprintf(f, "\n");
13623 fprintf(f, "%s", commentList[i]);
13628 /* Format move number */
13630 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13633 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13635 numtext[0] = NULLCHAR;
13637 numlen = strlen(numtext);
13640 /* Print move number */
13641 blank = linelen > 0 && numlen > 0;
13642 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13651 fprintf(f, "%s", numtext);
13655 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13656 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13659 blank = linelen > 0 && movelen > 0;
13660 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13669 fprintf(f, "%s", move_buffer);
13670 linelen += movelen;
13672 /* [AS] Add PV info if present */
13673 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13674 /* [HGM] add time */
13675 char buf[MSG_SIZ]; int seconds;
13677 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13683 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13686 seconds = (seconds + 4)/10; // round to full seconds
13688 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13690 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13693 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13694 pvInfoList[i].score >= 0 ? "+" : "",
13695 pvInfoList[i].score / 100.0,
13696 pvInfoList[i].depth,
13699 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13701 /* Print score/depth */
13702 blank = linelen > 0 && movelen > 0;
13703 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13712 fprintf(f, "%s", move_buffer);
13713 linelen += movelen;
13719 /* Start a new line */
13720 if (linelen > 0) fprintf(f, "\n");
13722 /* Print comments after last move */
13723 if (commentList[i] != NULL) {
13724 fprintf(f, "%s\n", commentList[i]);
13728 if (gameInfo.resultDetails != NULL &&
13729 gameInfo.resultDetails[0] != NULLCHAR) {
13730 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13731 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13732 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13733 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13734 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13736 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13740 /* Save game in PGN style and close the file */
13742 SaveGamePGN (FILE *f)
13746 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13750 /* Save game in old style and close the file */
13752 SaveGameOldStyle (FILE *f)
13757 tm = time((time_t *) NULL);
13759 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13762 if (backwardMostMove > 0 || startedFromSetupPosition) {
13763 fprintf(f, "\n[--------------\n");
13764 PrintPosition(f, backwardMostMove);
13765 fprintf(f, "--------------]\n");
13770 i = backwardMostMove;
13771 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13773 while (i < forwardMostMove) {
13774 if (commentList[i] != NULL) {
13775 fprintf(f, "[%s]\n", commentList[i]);
13778 if ((i % 2) == 1) {
13779 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13782 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13784 if (commentList[i] != NULL) {
13788 if (i >= forwardMostMove) {
13792 fprintf(f, "%s\n", parseList[i]);
13797 if (commentList[i] != NULL) {
13798 fprintf(f, "[%s]\n", commentList[i]);
13801 /* This isn't really the old style, but it's close enough */
13802 if (gameInfo.resultDetails != NULL &&
13803 gameInfo.resultDetails[0] != NULLCHAR) {
13804 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13805 gameInfo.resultDetails);
13807 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13814 /* Save the current game to open file f and close the file */
13816 SaveGame (FILE *f, int dummy, char *dummy2)
13818 if (gameMode == EditPosition) EditPositionDone(TRUE);
13819 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13820 if (appData.oldSaveStyle)
13821 return SaveGameOldStyle(f);
13823 return SaveGamePGN(f);
13826 /* Save the current position to the given file */
13828 SavePositionToFile (char *filename)
13833 if (strcmp(filename, "-") == 0) {
13834 return SavePosition(stdout, 0, NULL);
13836 f = fopen(filename, "a");
13838 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13839 DisplayError(buf, errno);
13842 safeStrCpy(buf, lastMsg, MSG_SIZ);
13843 DisplayMessage(_("Waiting for access to save file"), "");
13844 flock(fileno(f), LOCK_EX); // [HGM] lock
13845 DisplayMessage(_("Saving position"), "");
13846 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13847 SavePosition(f, 0, NULL);
13848 DisplayMessage(buf, "");
13854 /* Save the current position to the given open file and close the file */
13856 SavePosition (FILE *f, int dummy, char *dummy2)
13861 if (gameMode == EditPosition) EditPositionDone(TRUE);
13862 if (appData.oldSaveStyle) {
13863 tm = time((time_t *) NULL);
13865 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13867 fprintf(f, "[--------------\n");
13868 PrintPosition(f, currentMove);
13869 fprintf(f, "--------------]\n");
13871 fen = PositionToFEN(currentMove, NULL, 1);
13872 fprintf(f, "%s\n", fen);
13880 ReloadCmailMsgEvent (int unregister)
13883 static char *inFilename = NULL;
13884 static char *outFilename;
13886 struct stat inbuf, outbuf;
13889 /* Any registered moves are unregistered if unregister is set, */
13890 /* i.e. invoked by the signal handler */
13892 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13893 cmailMoveRegistered[i] = FALSE;
13894 if (cmailCommentList[i] != NULL) {
13895 free(cmailCommentList[i]);
13896 cmailCommentList[i] = NULL;
13899 nCmailMovesRegistered = 0;
13902 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13903 cmailResult[i] = CMAIL_NOT_RESULT;
13907 if (inFilename == NULL) {
13908 /* Because the filenames are static they only get malloced once */
13909 /* and they never get freed */
13910 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13911 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13913 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13914 sprintf(outFilename, "%s.out", appData.cmailGameName);
13917 status = stat(outFilename, &outbuf);
13919 cmailMailedMove = FALSE;
13921 status = stat(inFilename, &inbuf);
13922 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13925 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13926 counts the games, notes how each one terminated, etc.
13928 It would be nice to remove this kludge and instead gather all
13929 the information while building the game list. (And to keep it
13930 in the game list nodes instead of having a bunch of fixed-size
13931 parallel arrays.) Note this will require getting each game's
13932 termination from the PGN tags, as the game list builder does
13933 not process the game moves. --mann
13935 cmailMsgLoaded = TRUE;
13936 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13938 /* Load first game in the file or popup game menu */
13939 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13941 #endif /* !WIN32 */
13949 char string[MSG_SIZ];
13951 if ( cmailMailedMove
13952 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13953 return TRUE; /* Allow free viewing */
13956 /* Unregister move to ensure that we don't leave RegisterMove */
13957 /* with the move registered when the conditions for registering no */
13959 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13960 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13961 nCmailMovesRegistered --;
13963 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13965 free(cmailCommentList[lastLoadGameNumber - 1]);
13966 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13970 if (cmailOldMove == -1) {
13971 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13975 if (currentMove > cmailOldMove + 1) {
13976 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13980 if (currentMove < cmailOldMove) {
13981 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13985 if (forwardMostMove > currentMove) {
13986 /* Silently truncate extra moves */
13990 if ( (currentMove == cmailOldMove + 1)
13991 || ( (currentMove == cmailOldMove)
13992 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13993 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13994 if (gameInfo.result != GameUnfinished) {
13995 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13998 if (commentList[currentMove] != NULL) {
13999 cmailCommentList[lastLoadGameNumber - 1]
14000 = StrSave(commentList[currentMove]);
14002 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14004 if (appData.debugMode)
14005 fprintf(debugFP, "Saving %s for game %d\n",
14006 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14008 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14010 f = fopen(string, "w");
14011 if (appData.oldSaveStyle) {
14012 SaveGameOldStyle(f); /* also closes the file */
14014 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14015 f = fopen(string, "w");
14016 SavePosition(f, 0, NULL); /* also closes the file */
14018 fprintf(f, "{--------------\n");
14019 PrintPosition(f, currentMove);
14020 fprintf(f, "--------------}\n\n");
14022 SaveGame(f, 0, NULL); /* also closes the file*/
14025 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14026 nCmailMovesRegistered ++;
14027 } else if (nCmailGames == 1) {
14028 DisplayError(_("You have not made a move yet"), 0);
14039 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14040 FILE *commandOutput;
14041 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14042 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14048 if (! cmailMsgLoaded) {
14049 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14053 if (nCmailGames == nCmailResults) {
14054 DisplayError(_("No unfinished games"), 0);
14058 #if CMAIL_PROHIBIT_REMAIL
14059 if (cmailMailedMove) {
14060 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);
14061 DisplayError(msg, 0);
14066 if (! (cmailMailedMove || RegisterMove())) return;
14068 if ( cmailMailedMove
14069 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14070 snprintf(string, MSG_SIZ, partCommandString,
14071 appData.debugMode ? " -v" : "", appData.cmailGameName);
14072 commandOutput = popen(string, "r");
14074 if (commandOutput == NULL) {
14075 DisplayError(_("Failed to invoke cmail"), 0);
14077 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14078 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14080 if (nBuffers > 1) {
14081 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14082 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14083 nBytes = MSG_SIZ - 1;
14085 (void) memcpy(msg, buffer, nBytes);
14087 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14089 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14090 cmailMailedMove = TRUE; /* Prevent >1 moves */
14093 for (i = 0; i < nCmailGames; i ++) {
14094 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14099 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14101 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14103 appData.cmailGameName,
14105 LoadGameFromFile(buffer, 1, buffer, FALSE);
14106 cmailMsgLoaded = FALSE;
14110 DisplayInformation(msg);
14111 pclose(commandOutput);
14114 if ((*cmailMsg) != '\0') {
14115 DisplayInformation(cmailMsg);
14120 #endif /* !WIN32 */
14129 int prependComma = 0;
14131 char string[MSG_SIZ]; /* Space for game-list */
14134 if (!cmailMsgLoaded) return "";
14136 if (cmailMailedMove) {
14137 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14139 /* Create a list of games left */
14140 snprintf(string, MSG_SIZ, "[");
14141 for (i = 0; i < nCmailGames; i ++) {
14142 if (! ( cmailMoveRegistered[i]
14143 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14144 if (prependComma) {
14145 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14147 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14151 strcat(string, number);
14154 strcat(string, "]");
14156 if (nCmailMovesRegistered + nCmailResults == 0) {
14157 switch (nCmailGames) {
14159 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14163 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14167 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14172 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14174 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14179 if (nCmailResults == nCmailGames) {
14180 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14182 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14187 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14199 if (gameMode == Training)
14200 SetTrainingModeOff();
14203 cmailMsgLoaded = FALSE;
14204 if (appData.icsActive) {
14205 SendToICS(ics_prefix);
14206 SendToICS("refresh\n");
14211 ExitEvent (int status)
14215 /* Give up on clean exit */
14219 /* Keep trying for clean exit */
14223 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14224 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14226 if (telnetISR != NULL) {
14227 RemoveInputSource(telnetISR);
14229 if (icsPR != NoProc) {
14230 DestroyChildProcess(icsPR, TRUE);
14233 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14234 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14236 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14237 /* make sure this other one finishes before killing it! */
14238 if(endingGame) { int count = 0;
14239 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14240 while(endingGame && count++ < 10) DoSleep(1);
14241 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14244 /* Kill off chess programs */
14245 if (first.pr != NoProc) {
14248 DoSleep( appData.delayBeforeQuit );
14249 SendToProgram("quit\n", &first);
14250 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14252 if (second.pr != NoProc) {
14253 DoSleep( appData.delayBeforeQuit );
14254 SendToProgram("quit\n", &second);
14255 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14257 if (first.isr != NULL) {
14258 RemoveInputSource(first.isr);
14260 if (second.isr != NULL) {
14261 RemoveInputSource(second.isr);
14264 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14265 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14267 ShutDownFrontEnd();
14272 PauseEngine (ChessProgramState *cps)
14274 SendToProgram("pause\n", cps);
14279 UnPauseEngine (ChessProgramState *cps)
14281 SendToProgram("resume\n", cps);
14288 if (appData.debugMode)
14289 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14293 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14295 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14296 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14297 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14299 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14300 HandleMachineMove(stashedInputMove, stalledEngine);
14301 stalledEngine = NULL;
14304 if (gameMode == MachinePlaysWhite ||
14305 gameMode == TwoMachinesPlay ||
14306 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14307 if(first.pause) UnPauseEngine(&first);
14308 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14309 if(second.pause) UnPauseEngine(&second);
14310 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14313 DisplayBothClocks();
14315 if (gameMode == PlayFromGameFile) {
14316 if (appData.timeDelay >= 0)
14317 AutoPlayGameLoop();
14318 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14319 Reset(FALSE, TRUE);
14320 SendToICS(ics_prefix);
14321 SendToICS("refresh\n");
14322 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14323 ForwardInner(forwardMostMove);
14325 pauseExamInvalid = FALSE;
14327 switch (gameMode) {
14331 pauseExamForwardMostMove = forwardMostMove;
14332 pauseExamInvalid = FALSE;
14335 case IcsPlayingWhite:
14336 case IcsPlayingBlack:
14340 case PlayFromGameFile:
14341 (void) StopLoadGameTimer();
14345 case BeginningOfGame:
14346 if (appData.icsActive) return;
14347 /* else fall through */
14348 case MachinePlaysWhite:
14349 case MachinePlaysBlack:
14350 case TwoMachinesPlay:
14351 if (forwardMostMove == 0)
14352 return; /* don't pause if no one has moved */
14353 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14354 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14355 if(onMove->pause) { // thinking engine can be paused
14356 PauseEngine(onMove); // do it
14357 if(onMove->other->pause) // pondering opponent can always be paused immediately
14358 PauseEngine(onMove->other);
14360 SendToProgram("easy\n", onMove->other);
14362 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14363 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14365 PauseEngine(&first);
14367 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14368 } else { // human on move, pause pondering by either method
14370 PauseEngine(&first);
14371 else if(appData.ponderNextMove)
14372 SendToProgram("easy\n", &first);
14375 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14385 EditCommentEvent ()
14387 char title[MSG_SIZ];
14389 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14390 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14392 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14393 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14394 parseList[currentMove - 1]);
14397 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14404 char *tags = PGNTags(&gameInfo);
14406 EditTagsPopUp(tags, NULL);
14413 if(second.analyzing) {
14414 SendToProgram("exit\n", &second);
14415 second.analyzing = FALSE;
14417 if (second.pr == NoProc) StartChessProgram(&second);
14418 InitChessProgram(&second, FALSE);
14419 FeedMovesToProgram(&second, currentMove);
14421 SendToProgram("analyze\n", &second);
14422 second.analyzing = TRUE;
14426 /* Toggle ShowThinking */
14428 ToggleShowThinking()
14430 appData.showThinking = !appData.showThinking;
14431 ShowThinkingEvent();
14435 AnalyzeModeEvent ()
14439 if (!first.analysisSupport) {
14440 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14441 DisplayError(buf, 0);
14444 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14445 if (appData.icsActive) {
14446 if (gameMode != IcsObserving) {
14447 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14448 DisplayError(buf, 0);
14450 if (appData.icsEngineAnalyze) {
14451 if (appData.debugMode)
14452 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14458 /* if enable, user wants to disable icsEngineAnalyze */
14459 if (appData.icsEngineAnalyze) {
14464 appData.icsEngineAnalyze = TRUE;
14465 if (appData.debugMode)
14466 fprintf(debugFP, "ICS engine analyze starting... \n");
14469 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14470 if (appData.noChessProgram || gameMode == AnalyzeMode)
14473 if (gameMode != AnalyzeFile) {
14474 if (!appData.icsEngineAnalyze) {
14476 if (gameMode != EditGame) return 0;
14478 if (!appData.showThinking) ToggleShowThinking();
14479 ResurrectChessProgram();
14480 SendToProgram("analyze\n", &first);
14481 first.analyzing = TRUE;
14482 /*first.maybeThinking = TRUE;*/
14483 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14484 EngineOutputPopUp();
14486 if (!appData.icsEngineAnalyze) {
14487 gameMode = AnalyzeMode;
14488 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14494 StartAnalysisClock();
14495 GetTimeMark(&lastNodeCountTime);
14501 AnalyzeFileEvent ()
14503 if (appData.noChessProgram || gameMode == AnalyzeFile)
14506 if (!first.analysisSupport) {
14508 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14509 DisplayError(buf, 0);
14513 if (gameMode != AnalyzeMode) {
14514 keepInfo = 1; // mere annotating should not alter PGN tags
14517 if (gameMode != EditGame) return;
14518 if (!appData.showThinking) ToggleShowThinking();
14519 ResurrectChessProgram();
14520 SendToProgram("analyze\n", &first);
14521 first.analyzing = TRUE;
14522 /*first.maybeThinking = TRUE;*/
14523 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14524 EngineOutputPopUp();
14526 gameMode = AnalyzeFile;
14530 StartAnalysisClock();
14531 GetTimeMark(&lastNodeCountTime);
14533 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14534 AnalysisPeriodicEvent(1);
14538 MachineWhiteEvent ()
14541 char *bookHit = NULL;
14543 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14547 if (gameMode == PlayFromGameFile ||
14548 gameMode == TwoMachinesPlay ||
14549 gameMode == Training ||
14550 gameMode == AnalyzeMode ||
14551 gameMode == EndOfGame)
14554 if (gameMode == EditPosition)
14555 EditPositionDone(TRUE);
14557 if (!WhiteOnMove(currentMove)) {
14558 DisplayError(_("It is not White's turn"), 0);
14562 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14565 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14566 gameMode == AnalyzeFile)
14569 ResurrectChessProgram(); /* in case it isn't running */
14570 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14571 gameMode = MachinePlaysWhite;
14574 gameMode = MachinePlaysWhite;
14578 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14580 if (first.sendName) {
14581 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14582 SendToProgram(buf, &first);
14584 if (first.sendTime) {
14585 if (first.useColors) {
14586 SendToProgram("black\n", &first); /*gnu kludge*/
14588 SendTimeRemaining(&first, TRUE);
14590 if (first.useColors) {
14591 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14593 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14594 SetMachineThinkingEnables();
14595 first.maybeThinking = TRUE;
14599 if (appData.autoFlipView && !flipView) {
14600 flipView = !flipView;
14601 DrawPosition(FALSE, NULL);
14602 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14605 if(bookHit) { // [HGM] book: simulate book reply
14606 static char bookMove[MSG_SIZ]; // a bit generous?
14608 programStats.nodes = programStats.depth = programStats.time =
14609 programStats.score = programStats.got_only_move = 0;
14610 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14612 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14613 strcat(bookMove, bookHit);
14614 HandleMachineMove(bookMove, &first);
14619 MachineBlackEvent ()
14622 char *bookHit = NULL;
14624 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14628 if (gameMode == PlayFromGameFile ||
14629 gameMode == TwoMachinesPlay ||
14630 gameMode == Training ||
14631 gameMode == AnalyzeMode ||
14632 gameMode == EndOfGame)
14635 if (gameMode == EditPosition)
14636 EditPositionDone(TRUE);
14638 if (WhiteOnMove(currentMove)) {
14639 DisplayError(_("It is not Black's turn"), 0);
14643 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14646 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14647 gameMode == AnalyzeFile)
14650 ResurrectChessProgram(); /* in case it isn't running */
14651 gameMode = MachinePlaysBlack;
14655 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14657 if (first.sendName) {
14658 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14659 SendToProgram(buf, &first);
14661 if (first.sendTime) {
14662 if (first.useColors) {
14663 SendToProgram("white\n", &first); /*gnu kludge*/
14665 SendTimeRemaining(&first, FALSE);
14667 if (first.useColors) {
14668 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14670 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14671 SetMachineThinkingEnables();
14672 first.maybeThinking = TRUE;
14675 if (appData.autoFlipView && flipView) {
14676 flipView = !flipView;
14677 DrawPosition(FALSE, NULL);
14678 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14680 if(bookHit) { // [HGM] book: simulate book reply
14681 static char bookMove[MSG_SIZ]; // a bit generous?
14683 programStats.nodes = programStats.depth = programStats.time =
14684 programStats.score = programStats.got_only_move = 0;
14685 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14687 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14688 strcat(bookMove, bookHit);
14689 HandleMachineMove(bookMove, &first);
14695 DisplayTwoMachinesTitle ()
14698 if (appData.matchGames > 0) {
14699 if(appData.tourneyFile[0]) {
14700 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14701 gameInfo.white, _("vs."), gameInfo.black,
14702 nextGame+1, appData.matchGames+1,
14703 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14705 if (first.twoMachinesColor[0] == 'w') {
14706 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14707 gameInfo.white, _("vs."), gameInfo.black,
14708 first.matchWins, second.matchWins,
14709 matchGame - 1 - (first.matchWins + second.matchWins));
14711 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14712 gameInfo.white, _("vs."), gameInfo.black,
14713 second.matchWins, first.matchWins,
14714 matchGame - 1 - (first.matchWins + second.matchWins));
14717 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14723 SettingsMenuIfReady ()
14725 if (second.lastPing != second.lastPong) {
14726 DisplayMessage("", _("Waiting for second chess program"));
14727 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14731 DisplayMessage("", "");
14732 SettingsPopUp(&second);
14736 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14739 if (cps->pr == NoProc) {
14740 StartChessProgram(cps);
14741 if (cps->protocolVersion == 1) {
14743 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14745 /* kludge: allow timeout for initial "feature" command */
14746 if(retry != TwoMachinesEventIfReady) FreezeUI();
14747 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14748 DisplayMessage("", buf);
14749 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14757 TwoMachinesEvent P((void))
14761 ChessProgramState *onmove;
14762 char *bookHit = NULL;
14763 static int stalling = 0;
14767 if (appData.noChessProgram) return;
14769 switch (gameMode) {
14770 case TwoMachinesPlay:
14772 case MachinePlaysWhite:
14773 case MachinePlaysBlack:
14774 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14775 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14779 case BeginningOfGame:
14780 case PlayFromGameFile:
14783 if (gameMode != EditGame) return;
14786 EditPositionDone(TRUE);
14797 // forwardMostMove = currentMove;
14798 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14799 startingEngine = TRUE;
14801 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14803 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14804 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14805 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14808 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14810 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14811 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14812 startingEngine = matchMode = FALSE;
14813 DisplayError("second engine does not play this", 0);
14814 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14815 EditGameEvent(); // switch back to EditGame mode
14820 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14821 SendToProgram("force\n", &second);
14823 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14826 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14827 if(appData.matchPause>10000 || appData.matchPause<10)
14828 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14829 wait = SubtractTimeMarks(&now, &pauseStart);
14830 if(wait < appData.matchPause) {
14831 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14834 // we are now committed to starting the game
14836 DisplayMessage("", "");
14837 if (startedFromSetupPosition) {
14838 SendBoard(&second, backwardMostMove);
14839 if (appData.debugMode) {
14840 fprintf(debugFP, "Two Machines\n");
14843 for (i = backwardMostMove; i < forwardMostMove; i++) {
14844 SendMoveToProgram(i, &second);
14847 gameMode = TwoMachinesPlay;
14848 pausing = startingEngine = FALSE;
14849 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14851 DisplayTwoMachinesTitle();
14853 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14858 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14859 SendToProgram(first.computerString, &first);
14860 if (first.sendName) {
14861 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14862 SendToProgram(buf, &first);
14864 SendToProgram(second.computerString, &second);
14865 if (second.sendName) {
14866 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14867 SendToProgram(buf, &second);
14871 if (!first.sendTime || !second.sendTime) {
14872 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14873 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14875 if (onmove->sendTime) {
14876 if (onmove->useColors) {
14877 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14879 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14881 if (onmove->useColors) {
14882 SendToProgram(onmove->twoMachinesColor, onmove);
14884 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14885 // SendToProgram("go\n", onmove);
14886 onmove->maybeThinking = TRUE;
14887 SetMachineThinkingEnables();
14891 if(bookHit) { // [HGM] book: simulate book reply
14892 static char bookMove[MSG_SIZ]; // a bit generous?
14894 programStats.nodes = programStats.depth = programStats.time =
14895 programStats.score = programStats.got_only_move = 0;
14896 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14898 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14899 strcat(bookMove, bookHit);
14900 savedMessage = bookMove; // args for deferred call
14901 savedState = onmove;
14902 ScheduleDelayedEvent(DeferredBookMove, 1);
14909 if (gameMode == Training) {
14910 SetTrainingModeOff();
14911 gameMode = PlayFromGameFile;
14912 DisplayMessage("", _("Training mode off"));
14914 gameMode = Training;
14915 animateTraining = appData.animate;
14917 /* make sure we are not already at the end of the game */
14918 if (currentMove < forwardMostMove) {
14919 SetTrainingModeOn();
14920 DisplayMessage("", _("Training mode on"));
14922 gameMode = PlayFromGameFile;
14923 DisplayError(_("Already at end of game"), 0);
14932 if (!appData.icsActive) return;
14933 switch (gameMode) {
14934 case IcsPlayingWhite:
14935 case IcsPlayingBlack:
14938 case BeginningOfGame:
14946 EditPositionDone(TRUE);
14959 gameMode = IcsIdle;
14969 switch (gameMode) {
14971 SetTrainingModeOff();
14973 case MachinePlaysWhite:
14974 case MachinePlaysBlack:
14975 case BeginningOfGame:
14976 SendToProgram("force\n", &first);
14977 SetUserThinkingEnables();
14979 case PlayFromGameFile:
14980 (void) StopLoadGameTimer();
14981 if (gameFileFP != NULL) {
14986 EditPositionDone(TRUE);
14991 SendToProgram("force\n", &first);
14993 case TwoMachinesPlay:
14994 GameEnds(EndOfFile, NULL, GE_PLAYER);
14995 ResurrectChessProgram();
14996 SetUserThinkingEnables();
14999 ResurrectChessProgram();
15001 case IcsPlayingBlack:
15002 case IcsPlayingWhite:
15003 DisplayError(_("Warning: You are still playing a game"), 0);
15006 DisplayError(_("Warning: You are still observing a game"), 0);
15009 DisplayError(_("Warning: You are still examining a game"), 0);
15020 first.offeredDraw = second.offeredDraw = 0;
15022 if (gameMode == PlayFromGameFile) {
15023 whiteTimeRemaining = timeRemaining[0][currentMove];
15024 blackTimeRemaining = timeRemaining[1][currentMove];
15028 if (gameMode == MachinePlaysWhite ||
15029 gameMode == MachinePlaysBlack ||
15030 gameMode == TwoMachinesPlay ||
15031 gameMode == EndOfGame) {
15032 i = forwardMostMove;
15033 while (i > currentMove) {
15034 SendToProgram("undo\n", &first);
15037 if(!adjustedClock) {
15038 whiteTimeRemaining = timeRemaining[0][currentMove];
15039 blackTimeRemaining = timeRemaining[1][currentMove];
15040 DisplayBothClocks();
15042 if (whiteFlag || blackFlag) {
15043 whiteFlag = blackFlag = 0;
15048 gameMode = EditGame;
15055 EditPositionEvent ()
15057 if (gameMode == EditPosition) {
15063 if (gameMode != EditGame) return;
15065 gameMode = EditPosition;
15068 if (currentMove > 0)
15069 CopyBoard(boards[0], boards[currentMove]);
15071 blackPlaysFirst = !WhiteOnMove(currentMove);
15073 currentMove = forwardMostMove = backwardMostMove = 0;
15074 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15076 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15082 /* [DM] icsEngineAnalyze - possible call from other functions */
15083 if (appData.icsEngineAnalyze) {
15084 appData.icsEngineAnalyze = FALSE;
15086 DisplayMessage("",_("Close ICS engine analyze..."));
15088 if (first.analysisSupport && first.analyzing) {
15089 SendToBoth("exit\n");
15090 first.analyzing = second.analyzing = FALSE;
15092 thinkOutput[0] = NULLCHAR;
15096 EditPositionDone (Boolean fakeRights)
15098 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15100 startedFromSetupPosition = TRUE;
15101 InitChessProgram(&first, FALSE);
15102 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15103 boards[0][EP_STATUS] = EP_NONE;
15104 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15105 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15106 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15107 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15108 } else boards[0][CASTLING][2] = NoRights;
15109 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15110 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15111 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15112 } else boards[0][CASTLING][5] = NoRights;
15113 if(gameInfo.variant == VariantSChess) {
15115 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15116 boards[0][VIRGIN][i] = 0;
15117 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15118 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15122 SendToProgram("force\n", &first);
15123 if (blackPlaysFirst) {
15124 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15125 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15126 currentMove = forwardMostMove = backwardMostMove = 1;
15127 CopyBoard(boards[1], boards[0]);
15129 currentMove = forwardMostMove = backwardMostMove = 0;
15131 SendBoard(&first, forwardMostMove);
15132 if (appData.debugMode) {
15133 fprintf(debugFP, "EditPosDone\n");
15136 DisplayMessage("", "");
15137 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15138 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15139 gameMode = EditGame;
15141 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15142 ClearHighlights(); /* [AS] */
15145 /* Pause for `ms' milliseconds */
15146 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15148 TimeDelay (long ms)
15155 } while (SubtractTimeMarks(&m2, &m1) < ms);
15158 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15160 SendMultiLineToICS (char *buf)
15162 char temp[MSG_SIZ+1], *p;
15169 strncpy(temp, buf, len);
15174 if (*p == '\n' || *p == '\r')
15179 strcat(temp, "\n");
15181 SendToPlayer(temp, strlen(temp));
15185 SetWhiteToPlayEvent ()
15187 if (gameMode == EditPosition) {
15188 blackPlaysFirst = FALSE;
15189 DisplayBothClocks(); /* works because currentMove is 0 */
15190 } else if (gameMode == IcsExamining) {
15191 SendToICS(ics_prefix);
15192 SendToICS("tomove white\n");
15197 SetBlackToPlayEvent ()
15199 if (gameMode == EditPosition) {
15200 blackPlaysFirst = TRUE;
15201 currentMove = 1; /* kludge */
15202 DisplayBothClocks();
15204 } else if (gameMode == IcsExamining) {
15205 SendToICS(ics_prefix);
15206 SendToICS("tomove black\n");
15211 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15214 ChessSquare piece = boards[0][y][x];
15215 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15216 static int lastVariant;
15218 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15220 switch (selection) {
15222 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15223 MarkTargetSquares(1);
15224 CopyBoard(currentBoard, boards[0]);
15225 CopyBoard(menuBoard, initialPosition);
15226 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15227 SendToICS(ics_prefix);
15228 SendToICS("bsetup clear\n");
15229 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15230 SendToICS(ics_prefix);
15231 SendToICS("clearboard\n");
15234 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15235 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15236 for (y = 0; y < BOARD_HEIGHT; y++) {
15237 if (gameMode == IcsExamining) {
15238 if (boards[currentMove][y][x] != EmptySquare) {
15239 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15243 } else if(boards[0][y][x] != DarkSquare) {
15244 if(boards[0][y][x] != p) nonEmpty++;
15245 boards[0][y][x] = p;
15249 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15251 for(r = 0; r < BOARD_HEIGHT; r++) {
15252 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15253 ChessSquare p = menuBoard[r][x];
15254 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15257 DisplayMessage("Clicking clock again restores position", "");
15258 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15259 if(!nonEmpty) { // asked to clear an empty board
15260 CopyBoard(boards[0], menuBoard);
15262 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15263 CopyBoard(boards[0], initialPosition);
15265 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15266 && !CompareBoards(nullBoard, erasedBoard)) {
15267 CopyBoard(boards[0], erasedBoard);
15269 CopyBoard(erasedBoard, currentBoard);
15273 if (gameMode == EditPosition) {
15274 DrawPosition(FALSE, boards[0]);
15279 SetWhiteToPlayEvent();
15283 SetBlackToPlayEvent();
15287 if (gameMode == IcsExamining) {
15288 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15289 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15292 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15293 if(x == BOARD_LEFT-2) {
15294 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15295 boards[0][y][1] = 0;
15297 if(x == BOARD_RGHT+1) {
15298 if(y >= gameInfo.holdingsSize) break;
15299 boards[0][y][BOARD_WIDTH-2] = 0;
15302 boards[0][y][x] = EmptySquare;
15303 DrawPosition(FALSE, boards[0]);
15308 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15309 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15310 selection = (ChessSquare) (PROMOTED piece);
15311 } else if(piece == EmptySquare) selection = WhiteSilver;
15312 else selection = (ChessSquare)((int)piece - 1);
15316 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15317 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15318 selection = (ChessSquare) (DEMOTED piece);
15319 } else if(piece == EmptySquare) selection = BlackSilver;
15320 else selection = (ChessSquare)((int)piece + 1);
15325 if(gameInfo.variant == VariantShatranj ||
15326 gameInfo.variant == VariantXiangqi ||
15327 gameInfo.variant == VariantCourier ||
15328 gameInfo.variant == VariantASEAN ||
15329 gameInfo.variant == VariantMakruk )
15330 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15335 if(gameInfo.variant == VariantXiangqi)
15336 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15337 if(gameInfo.variant == VariantKnightmate)
15338 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15341 if (gameMode == IcsExamining) {
15342 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15343 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15344 PieceToChar(selection), AAA + x, ONE + y);
15347 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15349 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15350 n = PieceToNumber(selection - BlackPawn);
15351 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15352 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15353 boards[0][BOARD_HEIGHT-1-n][1]++;
15355 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15356 n = PieceToNumber(selection);
15357 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15358 boards[0][n][BOARD_WIDTH-1] = selection;
15359 boards[0][n][BOARD_WIDTH-2]++;
15362 boards[0][y][x] = selection;
15363 DrawPosition(TRUE, boards[0]);
15365 fromX = fromY = -1;
15373 DropMenuEvent (ChessSquare selection, int x, int y)
15375 ChessMove moveType;
15377 switch (gameMode) {
15378 case IcsPlayingWhite:
15379 case MachinePlaysBlack:
15380 if (!WhiteOnMove(currentMove)) {
15381 DisplayMoveError(_("It is Black's turn"));
15384 moveType = WhiteDrop;
15386 case IcsPlayingBlack:
15387 case MachinePlaysWhite:
15388 if (WhiteOnMove(currentMove)) {
15389 DisplayMoveError(_("It is White's turn"));
15392 moveType = BlackDrop;
15395 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15401 if (moveType == BlackDrop && selection < BlackPawn) {
15402 selection = (ChessSquare) ((int) selection
15403 + (int) BlackPawn - (int) WhitePawn);
15405 if (boards[currentMove][y][x] != EmptySquare) {
15406 DisplayMoveError(_("That square is occupied"));
15410 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15416 /* Accept a pending offer of any kind from opponent */
15418 if (appData.icsActive) {
15419 SendToICS(ics_prefix);
15420 SendToICS("accept\n");
15421 } else if (cmailMsgLoaded) {
15422 if (currentMove == cmailOldMove &&
15423 commentList[cmailOldMove] != NULL &&
15424 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15425 "Black offers a draw" : "White offers a draw")) {
15427 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15428 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15430 DisplayError(_("There is no pending offer on this move"), 0);
15431 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15434 /* Not used for offers from chess program */
15441 /* Decline a pending offer of any kind from opponent */
15443 if (appData.icsActive) {
15444 SendToICS(ics_prefix);
15445 SendToICS("decline\n");
15446 } else if (cmailMsgLoaded) {
15447 if (currentMove == cmailOldMove &&
15448 commentList[cmailOldMove] != NULL &&
15449 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15450 "Black offers a draw" : "White offers a draw")) {
15452 AppendComment(cmailOldMove, "Draw declined", TRUE);
15453 DisplayComment(cmailOldMove - 1, "Draw declined");
15456 DisplayError(_("There is no pending offer on this move"), 0);
15459 /* Not used for offers from chess program */
15466 /* Issue ICS rematch command */
15467 if (appData.icsActive) {
15468 SendToICS(ics_prefix);
15469 SendToICS("rematch\n");
15476 /* Call your opponent's flag (claim a win on time) */
15477 if (appData.icsActive) {
15478 SendToICS(ics_prefix);
15479 SendToICS("flag\n");
15481 switch (gameMode) {
15484 case MachinePlaysWhite:
15487 GameEnds(GameIsDrawn, "Both players ran out of time",
15490 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15492 DisplayError(_("Your opponent is not out of time"), 0);
15495 case MachinePlaysBlack:
15498 GameEnds(GameIsDrawn, "Both players ran out of time",
15501 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15503 DisplayError(_("Your opponent is not out of time"), 0);
15511 ClockClick (int which)
15512 { // [HGM] code moved to back-end from winboard.c
15513 if(which) { // black clock
15514 if (gameMode == EditPosition || gameMode == IcsExamining) {
15515 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15516 SetBlackToPlayEvent();
15517 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15518 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15519 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15520 } else if (shiftKey) {
15521 AdjustClock(which, -1);
15522 } else if (gameMode == IcsPlayingWhite ||
15523 gameMode == MachinePlaysBlack) {
15526 } else { // white clock
15527 if (gameMode == EditPosition || gameMode == IcsExamining) {
15528 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15529 SetWhiteToPlayEvent();
15530 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15531 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15532 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15533 } else if (shiftKey) {
15534 AdjustClock(which, -1);
15535 } else if (gameMode == IcsPlayingBlack ||
15536 gameMode == MachinePlaysWhite) {
15545 /* Offer draw or accept pending draw offer from opponent */
15547 if (appData.icsActive) {
15548 /* Note: tournament rules require draw offers to be
15549 made after you make your move but before you punch
15550 your clock. Currently ICS doesn't let you do that;
15551 instead, you immediately punch your clock after making
15552 a move, but you can offer a draw at any time. */
15554 SendToICS(ics_prefix);
15555 SendToICS("draw\n");
15556 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15557 } else if (cmailMsgLoaded) {
15558 if (currentMove == cmailOldMove &&
15559 commentList[cmailOldMove] != NULL &&
15560 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15561 "Black offers a draw" : "White offers a draw")) {
15562 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15563 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15564 } else if (currentMove == cmailOldMove + 1) {
15565 char *offer = WhiteOnMove(cmailOldMove) ?
15566 "White offers a draw" : "Black offers a draw";
15567 AppendComment(currentMove, offer, TRUE);
15568 DisplayComment(currentMove - 1, offer);
15569 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15571 DisplayError(_("You must make your move before offering a draw"), 0);
15572 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15574 } else if (first.offeredDraw) {
15575 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15577 if (first.sendDrawOffers) {
15578 SendToProgram("draw\n", &first);
15579 userOfferedDraw = TRUE;
15587 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15589 if (appData.icsActive) {
15590 SendToICS(ics_prefix);
15591 SendToICS("adjourn\n");
15593 /* Currently GNU Chess doesn't offer or accept Adjourns */
15601 /* Offer Abort or accept pending Abort offer from opponent */
15603 if (appData.icsActive) {
15604 SendToICS(ics_prefix);
15605 SendToICS("abort\n");
15607 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15614 /* Resign. You can do this even if it's not your turn. */
15616 if (appData.icsActive) {
15617 SendToICS(ics_prefix);
15618 SendToICS("resign\n");
15620 switch (gameMode) {
15621 case MachinePlaysWhite:
15622 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15624 case MachinePlaysBlack:
15625 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15628 if (cmailMsgLoaded) {
15630 if (WhiteOnMove(cmailOldMove)) {
15631 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15633 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15635 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15646 StopObservingEvent ()
15648 /* Stop observing current games */
15649 SendToICS(ics_prefix);
15650 SendToICS("unobserve\n");
15654 StopExaminingEvent ()
15656 /* Stop observing current game */
15657 SendToICS(ics_prefix);
15658 SendToICS("unexamine\n");
15662 ForwardInner (int target)
15664 int limit; int oldSeekGraphUp = seekGraphUp;
15666 if (appData.debugMode)
15667 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15668 target, currentMove, forwardMostMove);
15670 if (gameMode == EditPosition)
15673 seekGraphUp = FALSE;
15674 MarkTargetSquares(1);
15675 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15677 if (gameMode == PlayFromGameFile && !pausing)
15680 if (gameMode == IcsExamining && pausing)
15681 limit = pauseExamForwardMostMove;
15683 limit = forwardMostMove;
15685 if (target > limit) target = limit;
15687 if (target > 0 && moveList[target - 1][0]) {
15688 int fromX, fromY, toX, toY;
15689 toX = moveList[target - 1][2] - AAA;
15690 toY = moveList[target - 1][3] - ONE;
15691 if (moveList[target - 1][1] == '@') {
15692 if (appData.highlightLastMove) {
15693 SetHighlights(-1, -1, toX, toY);
15696 int viaX = moveList[target - 1][5] - AAA;
15697 int viaY = moveList[target - 1][6] - ONE;
15698 fromX = moveList[target - 1][0] - AAA;
15699 fromY = moveList[target - 1][1] - ONE;
15700 if (target == currentMove + 1) {
15701 if(moveList[target - 1][4] == ';') { // multi-leg
15702 ChessSquare piece = boards[currentMove][viaY][viaX];
15703 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15704 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15705 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15706 boards[currentMove][viaY][viaX] = piece;
15708 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15710 if (appData.highlightLastMove) {
15711 SetHighlights(fromX, fromY, toX, toY);
15715 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15716 gameMode == Training || gameMode == PlayFromGameFile ||
15717 gameMode == AnalyzeFile) {
15718 while (currentMove < target) {
15719 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15720 SendMoveToProgram(currentMove++, &first);
15723 currentMove = target;
15726 if (gameMode == EditGame || gameMode == EndOfGame) {
15727 whiteTimeRemaining = timeRemaining[0][currentMove];
15728 blackTimeRemaining = timeRemaining[1][currentMove];
15730 DisplayBothClocks();
15731 DisplayMove(currentMove - 1);
15732 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15733 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15734 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15735 DisplayComment(currentMove - 1, commentList[currentMove]);
15737 ClearMap(); // [HGM] exclude: invalidate map
15744 if (gameMode == IcsExamining && !pausing) {
15745 SendToICS(ics_prefix);
15746 SendToICS("forward\n");
15748 ForwardInner(currentMove + 1);
15755 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15756 /* to optimze, we temporarily turn off analysis mode while we feed
15757 * the remaining moves to the engine. Otherwise we get analysis output
15760 if (first.analysisSupport) {
15761 SendToProgram("exit\nforce\n", &first);
15762 first.analyzing = FALSE;
15766 if (gameMode == IcsExamining && !pausing) {
15767 SendToICS(ics_prefix);
15768 SendToICS("forward 999999\n");
15770 ForwardInner(forwardMostMove);
15773 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15774 /* we have fed all the moves, so reactivate analysis mode */
15775 SendToProgram("analyze\n", &first);
15776 first.analyzing = TRUE;
15777 /*first.maybeThinking = TRUE;*/
15778 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15783 BackwardInner (int target)
15785 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15787 if (appData.debugMode)
15788 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15789 target, currentMove, forwardMostMove);
15791 if (gameMode == EditPosition) return;
15792 seekGraphUp = FALSE;
15793 MarkTargetSquares(1);
15794 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15795 if (currentMove <= backwardMostMove) {
15797 DrawPosition(full_redraw, boards[currentMove]);
15800 if (gameMode == PlayFromGameFile && !pausing)
15803 if (moveList[target][0]) {
15804 int fromX, fromY, toX, toY;
15805 toX = moveList[target][2] - AAA;
15806 toY = moveList[target][3] - ONE;
15807 if (moveList[target][1] == '@') {
15808 if (appData.highlightLastMove) {
15809 SetHighlights(-1, -1, toX, toY);
15812 fromX = moveList[target][0] - AAA;
15813 fromY = moveList[target][1] - ONE;
15814 if (target == currentMove - 1) {
15815 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15817 if (appData.highlightLastMove) {
15818 SetHighlights(fromX, fromY, toX, toY);
15822 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15823 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15824 while (currentMove > target) {
15825 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15826 // null move cannot be undone. Reload program with move history before it.
15828 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15829 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15831 SendBoard(&first, i);
15832 if(second.analyzing) SendBoard(&second, i);
15833 for(currentMove=i; currentMove<target; currentMove++) {
15834 SendMoveToProgram(currentMove, &first);
15835 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15839 SendToBoth("undo\n");
15843 currentMove = target;
15846 if (gameMode == EditGame || gameMode == EndOfGame) {
15847 whiteTimeRemaining = timeRemaining[0][currentMove];
15848 blackTimeRemaining = timeRemaining[1][currentMove];
15850 DisplayBothClocks();
15851 DisplayMove(currentMove - 1);
15852 DrawPosition(full_redraw, boards[currentMove]);
15853 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15854 // [HGM] PV info: routine tests if comment empty
15855 DisplayComment(currentMove - 1, commentList[currentMove]);
15856 ClearMap(); // [HGM] exclude: invalidate map
15862 if (gameMode == IcsExamining && !pausing) {
15863 SendToICS(ics_prefix);
15864 SendToICS("backward\n");
15866 BackwardInner(currentMove - 1);
15873 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15874 /* to optimize, we temporarily turn off analysis mode while we undo
15875 * all the moves. Otherwise we get analysis output after each undo.
15877 if (first.analysisSupport) {
15878 SendToProgram("exit\nforce\n", &first);
15879 first.analyzing = FALSE;
15883 if (gameMode == IcsExamining && !pausing) {
15884 SendToICS(ics_prefix);
15885 SendToICS("backward 999999\n");
15887 BackwardInner(backwardMostMove);
15890 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15891 /* we have fed all the moves, so reactivate analysis mode */
15892 SendToProgram("analyze\n", &first);
15893 first.analyzing = TRUE;
15894 /*first.maybeThinking = TRUE;*/
15895 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15902 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15903 if (to >= forwardMostMove) to = forwardMostMove;
15904 if (to <= backwardMostMove) to = backwardMostMove;
15905 if (to < currentMove) {
15913 RevertEvent (Boolean annotate)
15915 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15918 if (gameMode != IcsExamining) {
15919 DisplayError(_("You are not examining a game"), 0);
15923 DisplayError(_("You can't revert while pausing"), 0);
15926 SendToICS(ics_prefix);
15927 SendToICS("revert\n");
15931 RetractMoveEvent ()
15933 switch (gameMode) {
15934 case MachinePlaysWhite:
15935 case MachinePlaysBlack:
15936 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15937 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15940 if (forwardMostMove < 2) return;
15941 currentMove = forwardMostMove = forwardMostMove - 2;
15942 whiteTimeRemaining = timeRemaining[0][currentMove];
15943 blackTimeRemaining = timeRemaining[1][currentMove];
15944 DisplayBothClocks();
15945 DisplayMove(currentMove - 1);
15946 ClearHighlights();/*!! could figure this out*/
15947 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15948 SendToProgram("remove\n", &first);
15949 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15952 case BeginningOfGame:
15956 case IcsPlayingWhite:
15957 case IcsPlayingBlack:
15958 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15959 SendToICS(ics_prefix);
15960 SendToICS("takeback 2\n");
15962 SendToICS(ics_prefix);
15963 SendToICS("takeback 1\n");
15972 ChessProgramState *cps;
15974 switch (gameMode) {
15975 case MachinePlaysWhite:
15976 if (!WhiteOnMove(forwardMostMove)) {
15977 DisplayError(_("It is your turn"), 0);
15982 case MachinePlaysBlack:
15983 if (WhiteOnMove(forwardMostMove)) {
15984 DisplayError(_("It is your turn"), 0);
15989 case TwoMachinesPlay:
15990 if (WhiteOnMove(forwardMostMove) ==
15991 (first.twoMachinesColor[0] == 'w')) {
15997 case BeginningOfGame:
16001 SendToProgram("?\n", cps);
16005 TruncateGameEvent ()
16008 if (gameMode != EditGame) return;
16015 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16016 if (forwardMostMove > currentMove) {
16017 if (gameInfo.resultDetails != NULL) {
16018 free(gameInfo.resultDetails);
16019 gameInfo.resultDetails = NULL;
16020 gameInfo.result = GameUnfinished;
16022 forwardMostMove = currentMove;
16023 HistorySet(parseList, backwardMostMove, forwardMostMove,
16031 if (appData.noChessProgram) return;
16032 switch (gameMode) {
16033 case MachinePlaysWhite:
16034 if (WhiteOnMove(forwardMostMove)) {
16035 DisplayError(_("Wait until your turn."), 0);
16039 case BeginningOfGame:
16040 case MachinePlaysBlack:
16041 if (!WhiteOnMove(forwardMostMove)) {
16042 DisplayError(_("Wait until your turn."), 0);
16047 DisplayError(_("No hint available"), 0);
16050 SendToProgram("hint\n", &first);
16051 hintRequested = TRUE;
16055 SaveSelected (FILE *g, int dummy, char *dummy2)
16057 ListGame * lg = (ListGame *) gameList.head;
16061 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16062 DisplayError(_("Game list not loaded or empty"), 0);
16066 creatingBook = TRUE; // suppresses stuff during load game
16068 /* Get list size */
16069 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16070 if(lg->position >= 0) { // selected?
16071 LoadGame(f, nItem, "", TRUE);
16072 SaveGamePGN2(g); // leaves g open
16075 lg = (ListGame *) lg->node.succ;
16079 creatingBook = FALSE;
16087 ListGame * lg = (ListGame *) gameList.head;
16090 static int secondTime = FALSE;
16092 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16093 DisplayError(_("Game list not loaded or empty"), 0);
16097 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16100 DisplayNote(_("Book file exists! Try again for overwrite."));
16104 creatingBook = TRUE;
16105 secondTime = FALSE;
16107 /* Get list size */
16108 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16109 if(lg->position >= 0) {
16110 LoadGame(f, nItem, "", TRUE);
16111 AddGameToBook(TRUE);
16114 lg = (ListGame *) lg->node.succ;
16117 creatingBook = FALSE;
16124 if (appData.noChessProgram) return;
16125 switch (gameMode) {
16126 case MachinePlaysWhite:
16127 if (WhiteOnMove(forwardMostMove)) {
16128 DisplayError(_("Wait until your turn."), 0);
16132 case BeginningOfGame:
16133 case MachinePlaysBlack:
16134 if (!WhiteOnMove(forwardMostMove)) {
16135 DisplayError(_("Wait until your turn."), 0);
16140 EditPositionDone(TRUE);
16142 case TwoMachinesPlay:
16147 SendToProgram("bk\n", &first);
16148 bookOutput[0] = NULLCHAR;
16149 bookRequested = TRUE;
16155 char *tags = PGNTags(&gameInfo);
16156 TagsPopUp(tags, CmailMsg());
16160 /* end button procedures */
16163 PrintPosition (FILE *fp, int move)
16167 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16168 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16169 char c = PieceToChar(boards[move][i][j]);
16170 fputc(c == 'x' ? '.' : c, fp);
16171 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16174 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16175 fprintf(fp, "white to play\n");
16177 fprintf(fp, "black to play\n");
16181 PrintOpponents (FILE *fp)
16183 if (gameInfo.white != NULL) {
16184 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16190 /* Find last component of program's own name, using some heuristics */
16192 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16195 int local = (strcmp(host, "localhost") == 0);
16196 while (!local && (p = strchr(prog, ';')) != NULL) {
16198 while (*p == ' ') p++;
16201 if (*prog == '"' || *prog == '\'') {
16202 q = strchr(prog + 1, *prog);
16204 q = strchr(prog, ' ');
16206 if (q == NULL) q = prog + strlen(prog);
16208 while (p >= prog && *p != '/' && *p != '\\') p--;
16210 if(p == prog && *p == '"') p++;
16212 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16213 memcpy(buf, p, q - p);
16214 buf[q - p] = NULLCHAR;
16222 TimeControlTagValue ()
16225 if (!appData.clockMode) {
16226 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16227 } else if (movesPerSession > 0) {
16228 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16229 } else if (timeIncrement == 0) {
16230 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16232 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16234 return StrSave(buf);
16240 /* This routine is used only for certain modes */
16241 VariantClass v = gameInfo.variant;
16242 ChessMove r = GameUnfinished;
16245 if(keepInfo) return;
16247 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16248 r = gameInfo.result;
16249 p = gameInfo.resultDetails;
16250 gameInfo.resultDetails = NULL;
16252 ClearGameInfo(&gameInfo);
16253 gameInfo.variant = v;
16255 switch (gameMode) {
16256 case MachinePlaysWhite:
16257 gameInfo.event = StrSave( appData.pgnEventHeader );
16258 gameInfo.site = StrSave(HostName());
16259 gameInfo.date = PGNDate();
16260 gameInfo.round = StrSave("-");
16261 gameInfo.white = StrSave(first.tidy);
16262 gameInfo.black = StrSave(UserName());
16263 gameInfo.timeControl = TimeControlTagValue();
16266 case MachinePlaysBlack:
16267 gameInfo.event = StrSave( appData.pgnEventHeader );
16268 gameInfo.site = StrSave(HostName());
16269 gameInfo.date = PGNDate();
16270 gameInfo.round = StrSave("-");
16271 gameInfo.white = StrSave(UserName());
16272 gameInfo.black = StrSave(first.tidy);
16273 gameInfo.timeControl = TimeControlTagValue();
16276 case TwoMachinesPlay:
16277 gameInfo.event = StrSave( appData.pgnEventHeader );
16278 gameInfo.site = StrSave(HostName());
16279 gameInfo.date = PGNDate();
16282 snprintf(buf, MSG_SIZ, "%d", roundNr);
16283 gameInfo.round = StrSave(buf);
16285 gameInfo.round = StrSave("-");
16287 if (first.twoMachinesColor[0] == 'w') {
16288 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16289 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16291 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16292 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16294 gameInfo.timeControl = TimeControlTagValue();
16298 gameInfo.event = StrSave("Edited game");
16299 gameInfo.site = StrSave(HostName());
16300 gameInfo.date = PGNDate();
16301 gameInfo.round = StrSave("-");
16302 gameInfo.white = StrSave("-");
16303 gameInfo.black = StrSave("-");
16304 gameInfo.result = r;
16305 gameInfo.resultDetails = p;
16309 gameInfo.event = StrSave("Edited position");
16310 gameInfo.site = StrSave(HostName());
16311 gameInfo.date = PGNDate();
16312 gameInfo.round = StrSave("-");
16313 gameInfo.white = StrSave("-");
16314 gameInfo.black = StrSave("-");
16317 case IcsPlayingWhite:
16318 case IcsPlayingBlack:
16323 case PlayFromGameFile:
16324 gameInfo.event = StrSave("Game from non-PGN file");
16325 gameInfo.site = StrSave(HostName());
16326 gameInfo.date = PGNDate();
16327 gameInfo.round = StrSave("-");
16328 gameInfo.white = StrSave("?");
16329 gameInfo.black = StrSave("?");
16338 ReplaceComment (int index, char *text)
16344 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16345 pvInfoList[index-1].depth == len &&
16346 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16347 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16348 while (*text == '\n') text++;
16349 len = strlen(text);
16350 while (len > 0 && text[len - 1] == '\n') len--;
16352 if (commentList[index] != NULL)
16353 free(commentList[index]);
16356 commentList[index] = NULL;
16359 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16360 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16361 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16362 commentList[index] = (char *) malloc(len + 2);
16363 strncpy(commentList[index], text, len);
16364 commentList[index][len] = '\n';
16365 commentList[index][len + 1] = NULLCHAR;
16367 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16369 commentList[index] = (char *) malloc(len + 7);
16370 safeStrCpy(commentList[index], "{\n", 3);
16371 safeStrCpy(commentList[index]+2, text, len+1);
16372 commentList[index][len+2] = NULLCHAR;
16373 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16374 strcat(commentList[index], "\n}\n");
16379 CrushCRs (char *text)
16387 if (ch == '\r') continue;
16389 } while (ch != '\0');
16393 AppendComment (int index, char *text, Boolean addBraces)
16394 /* addBraces tells if we should add {} */
16399 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16400 if(addBraces == 3) addBraces = 0; else // force appending literally
16401 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16404 while (*text == '\n') text++;
16405 len = strlen(text);
16406 while (len > 0 && text[len - 1] == '\n') len--;
16407 text[len] = NULLCHAR;
16409 if (len == 0) return;
16411 if (commentList[index] != NULL) {
16412 Boolean addClosingBrace = addBraces;
16413 old = commentList[index];
16414 oldlen = strlen(old);
16415 while(commentList[index][oldlen-1] == '\n')
16416 commentList[index][--oldlen] = NULLCHAR;
16417 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16418 safeStrCpy(commentList[index], old, oldlen + len + 6);
16420 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16421 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16422 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16423 while (*text == '\n') { text++; len--; }
16424 commentList[index][--oldlen] = NULLCHAR;
16426 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16427 else strcat(commentList[index], "\n");
16428 strcat(commentList[index], text);
16429 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16430 else strcat(commentList[index], "\n");
16432 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16434 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16435 else commentList[index][0] = NULLCHAR;
16436 strcat(commentList[index], text);
16437 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16438 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16443 FindStr (char * text, char * sub_text)
16445 char * result = strstr( text, sub_text );
16447 if( result != NULL ) {
16448 result += strlen( sub_text );
16454 /* [AS] Try to extract PV info from PGN comment */
16455 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16457 GetInfoFromComment (int index, char * text)
16459 char * sep = text, *p;
16461 if( text != NULL && index > 0 ) {
16464 int time = -1, sec = 0, deci;
16465 char * s_eval = FindStr( text, "[%eval " );
16466 char * s_emt = FindStr( text, "[%emt " );
16468 if( s_eval != NULL || s_emt != NULL ) {
16470 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16475 if( s_eval != NULL ) {
16476 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16480 if( delim != ']' ) {
16485 if( s_emt != NULL ) {
16490 /* We expect something like: [+|-]nnn.nn/dd */
16493 if(*text != '{') return text; // [HGM] braces: must be normal comment
16495 sep = strchr( text, '/' );
16496 if( sep == NULL || sep < (text+4) ) {
16501 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16502 if(p[1] == '(') { // comment starts with PV
16503 p = strchr(p, ')'); // locate end of PV
16504 if(p == NULL || sep < p+5) return text;
16505 // at this point we have something like "{(.*) +0.23/6 ..."
16506 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16507 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16508 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16510 time = -1; sec = -1; deci = -1;
16511 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16512 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16513 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16514 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16518 if( score_lo < 0 || score_lo >= 100 ) {
16522 if(sec >= 0) time = 600*time + 10*sec; else
16523 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16525 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16527 /* [HGM] PV time: now locate end of PV info */
16528 while( *++sep >= '0' && *sep <= '9'); // strip depth
16530 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16532 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16534 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16535 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16546 pvInfoList[index-1].depth = depth;
16547 pvInfoList[index-1].score = score;
16548 pvInfoList[index-1].time = 10*time; // centi-sec
16549 if(*sep == '}') *sep = 0; else *--sep = '{';
16550 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16556 SendToProgram (char *message, ChessProgramState *cps)
16558 int count, outCount, error;
16561 if (cps->pr == NoProc) return;
16564 if (appData.debugMode) {
16567 fprintf(debugFP, "%ld >%-6s: %s",
16568 SubtractTimeMarks(&now, &programStartTime),
16569 cps->which, message);
16571 fprintf(serverFP, "%ld >%-6s: %s",
16572 SubtractTimeMarks(&now, &programStartTime),
16573 cps->which, message), fflush(serverFP);
16576 count = strlen(message);
16577 outCount = OutputToProcess(cps->pr, message, count, &error);
16578 if (outCount < count && !exiting
16579 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16580 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16581 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16582 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16583 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16584 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16585 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16586 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16588 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16589 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16590 gameInfo.result = res;
16592 gameInfo.resultDetails = StrSave(buf);
16594 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16595 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16600 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16604 ChessProgramState *cps = (ChessProgramState *)closure;
16606 if (isr != cps->isr) return; /* Killed intentionally */
16609 RemoveInputSource(cps->isr);
16610 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16611 _(cps->which), cps->program);
16612 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16613 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16614 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16615 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16616 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16617 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16619 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16620 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16621 gameInfo.result = res;
16623 gameInfo.resultDetails = StrSave(buf);
16625 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16626 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16628 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16629 _(cps->which), cps->program);
16630 RemoveInputSource(cps->isr);
16632 /* [AS] Program is misbehaving badly... kill it */
16633 if( count == -2 ) {
16634 DestroyChildProcess( cps->pr, 9 );
16638 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16643 if ((end_str = strchr(message, '\r')) != NULL)
16644 *end_str = NULLCHAR;
16645 if ((end_str = strchr(message, '\n')) != NULL)
16646 *end_str = NULLCHAR;
16648 if (appData.debugMode) {
16649 TimeMark now; int print = 1;
16650 char *quote = ""; char c; int i;
16652 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16653 char start = message[0];
16654 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16655 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16656 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16657 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16658 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16659 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16660 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16661 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16662 sscanf(message, "hint: %c", &c)!=1 &&
16663 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16664 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16665 print = (appData.engineComments >= 2);
16667 message[0] = start; // restore original message
16671 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16672 SubtractTimeMarks(&now, &programStartTime), cps->which,
16676 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16677 SubtractTimeMarks(&now, &programStartTime), cps->which,
16679 message), fflush(serverFP);
16683 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16684 if (appData.icsEngineAnalyze) {
16685 if (strstr(message, "whisper") != NULL ||
16686 strstr(message, "kibitz") != NULL ||
16687 strstr(message, "tellics") != NULL) return;
16690 HandleMachineMove(message, cps);
16695 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16700 if( timeControl_2 > 0 ) {
16701 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16702 tc = timeControl_2;
16705 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16706 inc /= cps->timeOdds;
16707 st /= cps->timeOdds;
16709 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16712 /* Set exact time per move, normally using st command */
16713 if (cps->stKludge) {
16714 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16716 if (seconds == 0) {
16717 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16719 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16722 snprintf(buf, MSG_SIZ, "st %d\n", st);
16725 /* Set conventional or incremental time control, using level command */
16726 if (seconds == 0) {
16727 /* Note old gnuchess bug -- minutes:seconds used to not work.
16728 Fixed in later versions, but still avoid :seconds
16729 when seconds is 0. */
16730 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16732 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16733 seconds, inc/1000.);
16736 SendToProgram(buf, cps);
16738 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16739 /* Orthogonally, limit search to given depth */
16741 if (cps->sdKludge) {
16742 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16744 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16746 SendToProgram(buf, cps);
16749 if(cps->nps >= 0) { /* [HGM] nps */
16750 if(cps->supportsNPS == FALSE)
16751 cps->nps = -1; // don't use if engine explicitly says not supported!
16753 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16754 SendToProgram(buf, cps);
16759 ChessProgramState *
16761 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16763 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16764 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16770 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16772 char message[MSG_SIZ];
16775 /* Note: this routine must be called when the clocks are stopped
16776 or when they have *just* been set or switched; otherwise
16777 it will be off by the time since the current tick started.
16779 if (machineWhite) {
16780 time = whiteTimeRemaining / 10;
16781 otime = blackTimeRemaining / 10;
16783 time = blackTimeRemaining / 10;
16784 otime = whiteTimeRemaining / 10;
16786 /* [HGM] translate opponent's time by time-odds factor */
16787 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16789 if (time <= 0) time = 1;
16790 if (otime <= 0) otime = 1;
16792 snprintf(message, MSG_SIZ, "time %ld\n", time);
16793 SendToProgram(message, cps);
16795 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16796 SendToProgram(message, cps);
16800 EngineDefinedVariant (ChessProgramState *cps, int n)
16801 { // return name of n-th unknown variant that engine supports
16802 static char buf[MSG_SIZ];
16803 char *p, *s = cps->variants;
16804 if(!s) return NULL;
16805 do { // parse string from variants feature
16807 p = strchr(s, ',');
16808 if(p) *p = NULLCHAR;
16809 v = StringToVariant(s);
16810 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16811 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16812 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16813 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16814 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16815 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16816 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16819 if(n < 0) return buf;
16825 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16828 int len = strlen(name);
16831 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16833 sscanf(*p, "%d", &val);
16835 while (**p && **p != ' ')
16837 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16838 SendToProgram(buf, cps);
16845 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16848 int len = strlen(name);
16849 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16851 sscanf(*p, "%d", loc);
16852 while (**p && **p != ' ') (*p)++;
16853 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16854 SendToProgram(buf, cps);
16861 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16864 int len = strlen(name);
16865 if (strncmp((*p), name, len) == 0
16866 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16868 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16869 sscanf(*p, "%[^\"]", *loc);
16870 while (**p && **p != '\"') (*p)++;
16871 if (**p == '\"') (*p)++;
16872 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16873 SendToProgram(buf, cps);
16880 ParseOption (Option *opt, ChessProgramState *cps)
16881 // [HGM] options: process the string that defines an engine option, and determine
16882 // name, type, default value, and allowed value range
16884 char *p, *q, buf[MSG_SIZ];
16885 int n, min = (-1)<<31, max = 1<<31, def;
16887 if(p = strstr(opt->name, " -spin ")) {
16888 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16889 if(max < min) max = min; // enforce consistency
16890 if(def < min) def = min;
16891 if(def > max) def = max;
16896 } else if((p = strstr(opt->name, " -slider "))) {
16897 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16898 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16899 if(max < min) max = min; // enforce consistency
16900 if(def < min) def = min;
16901 if(def > max) def = max;
16905 opt->type = Spin; // Slider;
16906 } else if((p = strstr(opt->name, " -string "))) {
16907 opt->textValue = p+9;
16908 opt->type = TextBox;
16909 } else if((p = strstr(opt->name, " -file "))) {
16910 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16911 opt->textValue = p+7;
16912 opt->type = FileName; // FileName;
16913 } else if((p = strstr(opt->name, " -path "))) {
16914 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16915 opt->textValue = p+7;
16916 opt->type = PathName; // PathName;
16917 } else if(p = strstr(opt->name, " -check ")) {
16918 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16919 opt->value = (def != 0);
16920 opt->type = CheckBox;
16921 } else if(p = strstr(opt->name, " -combo ")) {
16922 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16923 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16924 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16925 opt->value = n = 0;
16926 while(q = StrStr(q, " /// ")) {
16927 n++; *q = 0; // count choices, and null-terminate each of them
16929 if(*q == '*') { // remember default, which is marked with * prefix
16933 cps->comboList[cps->comboCnt++] = q;
16935 cps->comboList[cps->comboCnt++] = NULL;
16937 opt->type = ComboBox;
16938 } else if(p = strstr(opt->name, " -button")) {
16939 opt->type = Button;
16940 } else if(p = strstr(opt->name, " -save")) {
16941 opt->type = SaveButton;
16942 } else return FALSE;
16943 *p = 0; // terminate option name
16944 // now look if the command-line options define a setting for this engine option.
16945 if(cps->optionSettings && cps->optionSettings[0])
16946 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16947 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16948 snprintf(buf, MSG_SIZ, "option %s", p);
16949 if(p = strstr(buf, ",")) *p = 0;
16950 if(q = strchr(buf, '=')) switch(opt->type) {
16952 for(n=0; n<opt->max; n++)
16953 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16956 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16960 opt->value = atoi(q+1);
16965 SendToProgram(buf, cps);
16971 FeatureDone (ChessProgramState *cps, int val)
16973 DelayedEventCallback cb = GetDelayedEvent();
16974 if ((cb == InitBackEnd3 && cps == &first) ||
16975 (cb == SettingsMenuIfReady && cps == &second) ||
16976 (cb == LoadEngine) ||
16977 (cb == TwoMachinesEventIfReady)) {
16978 CancelDelayedEvent();
16979 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16981 cps->initDone = val;
16982 if(val) cps->reload = FALSE;
16985 /* Parse feature command from engine */
16987 ParseFeatures (char *args, ChessProgramState *cps)
16995 while (*p == ' ') p++;
16996 if (*p == NULLCHAR) return;
16998 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16999 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17000 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17001 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17002 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17003 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17004 if (BoolFeature(&p, "reuse", &val, cps)) {
17005 /* Engine can disable reuse, but can't enable it if user said no */
17006 if (!val) cps->reuse = FALSE;
17009 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17010 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17011 if (gameMode == TwoMachinesPlay) {
17012 DisplayTwoMachinesTitle();
17018 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17019 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17020 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17021 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17022 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17023 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17024 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17025 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17026 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17027 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17028 if (IntFeature(&p, "done", &val, cps)) {
17029 FeatureDone(cps, val);
17032 /* Added by Tord: */
17033 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17034 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17035 /* End of additions by Tord */
17037 /* [HGM] added features: */
17038 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17039 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17040 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17041 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17042 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17043 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17044 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17045 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17046 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17047 FREE(cps->option[cps->nrOptions].name);
17048 cps->option[cps->nrOptions].name = q; q = NULL;
17049 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17050 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17051 SendToProgram(buf, cps);
17054 if(cps->nrOptions >= MAX_OPTIONS) {
17056 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17057 DisplayError(buf, 0);
17061 /* End of additions by HGM */
17063 /* unknown feature: complain and skip */
17065 while (*q && *q != '=') q++;
17066 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17067 SendToProgram(buf, cps);
17073 while (*p && *p != '\"') p++;
17074 if (*p == '\"') p++;
17076 while (*p && *p != ' ') p++;
17084 PeriodicUpdatesEvent (int newState)
17086 if (newState == appData.periodicUpdates)
17089 appData.periodicUpdates=newState;
17091 /* Display type changes, so update it now */
17092 // DisplayAnalysis();
17094 /* Get the ball rolling again... */
17096 AnalysisPeriodicEvent(1);
17097 StartAnalysisClock();
17102 PonderNextMoveEvent (int newState)
17104 if (newState == appData.ponderNextMove) return;
17105 if (gameMode == EditPosition) EditPositionDone(TRUE);
17107 SendToProgram("hard\n", &first);
17108 if (gameMode == TwoMachinesPlay) {
17109 SendToProgram("hard\n", &second);
17112 SendToProgram("easy\n", &first);
17113 thinkOutput[0] = NULLCHAR;
17114 if (gameMode == TwoMachinesPlay) {
17115 SendToProgram("easy\n", &second);
17118 appData.ponderNextMove = newState;
17122 NewSettingEvent (int option, int *feature, char *command, int value)
17126 if (gameMode == EditPosition) EditPositionDone(TRUE);
17127 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17128 if(feature == NULL || *feature) SendToProgram(buf, &first);
17129 if (gameMode == TwoMachinesPlay) {
17130 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17135 ShowThinkingEvent ()
17136 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17138 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17139 int newState = appData.showThinking
17140 // [HGM] thinking: other features now need thinking output as well
17141 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17143 if (oldState == newState) return;
17144 oldState = newState;
17145 if (gameMode == EditPosition) EditPositionDone(TRUE);
17147 SendToProgram("post\n", &first);
17148 if (gameMode == TwoMachinesPlay) {
17149 SendToProgram("post\n", &second);
17152 SendToProgram("nopost\n", &first);
17153 thinkOutput[0] = NULLCHAR;
17154 if (gameMode == TwoMachinesPlay) {
17155 SendToProgram("nopost\n", &second);
17158 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17162 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17164 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17165 if (pr == NoProc) return;
17166 AskQuestion(title, question, replyPrefix, pr);
17170 TypeInEvent (char firstChar)
17172 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17173 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17174 gameMode == AnalyzeMode || gameMode == EditGame ||
17175 gameMode == EditPosition || gameMode == IcsExamining ||
17176 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17177 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17178 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17179 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17180 gameMode == Training) PopUpMoveDialog(firstChar);
17184 TypeInDoneEvent (char *move)
17187 int n, fromX, fromY, toX, toY;
17189 ChessMove moveType;
17192 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17193 EditPositionPasteFEN(move);
17196 // [HGM] movenum: allow move number to be typed in any mode
17197 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17201 // undocumented kludge: allow command-line option to be typed in!
17202 // (potentially fatal, and does not implement the effect of the option.)
17203 // should only be used for options that are values on which future decisions will be made,
17204 // and definitely not on options that would be used during initialization.
17205 if(strstr(move, "!!! -") == move) {
17206 ParseArgsFromString(move+4);
17210 if (gameMode != EditGame && currentMove != forwardMostMove &&
17211 gameMode != Training) {
17212 DisplayMoveError(_("Displayed move is not current"));
17214 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17215 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17216 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17217 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17218 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17219 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17221 DisplayMoveError(_("Could not parse move"));
17227 DisplayMove (int moveNumber)
17229 char message[MSG_SIZ];
17231 char cpThinkOutput[MSG_SIZ];
17233 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17235 if (moveNumber == forwardMostMove - 1 ||
17236 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17238 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17240 if (strchr(cpThinkOutput, '\n')) {
17241 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17244 *cpThinkOutput = NULLCHAR;
17247 /* [AS] Hide thinking from human user */
17248 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17249 *cpThinkOutput = NULLCHAR;
17250 if( thinkOutput[0] != NULLCHAR ) {
17253 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17254 cpThinkOutput[i] = '.';
17256 cpThinkOutput[i] = NULLCHAR;
17257 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17261 if (moveNumber == forwardMostMove - 1 &&
17262 gameInfo.resultDetails != NULL) {
17263 if (gameInfo.resultDetails[0] == NULLCHAR) {
17264 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17266 snprintf(res, MSG_SIZ, " {%s} %s",
17267 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17273 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17274 DisplayMessage(res, cpThinkOutput);
17276 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17277 WhiteOnMove(moveNumber) ? " " : ".. ",
17278 parseList[moveNumber], res);
17279 DisplayMessage(message, cpThinkOutput);
17284 DisplayComment (int moveNumber, char *text)
17286 char title[MSG_SIZ];
17288 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17289 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17291 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17292 WhiteOnMove(moveNumber) ? " " : ".. ",
17293 parseList[moveNumber]);
17295 if (text != NULL && (appData.autoDisplayComment || commentUp))
17296 CommentPopUp(title, text);
17299 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17300 * might be busy thinking or pondering. It can be omitted if your
17301 * gnuchess is configured to stop thinking immediately on any user
17302 * input. However, that gnuchess feature depends on the FIONREAD
17303 * ioctl, which does not work properly on some flavors of Unix.
17306 Attention (ChessProgramState *cps)
17309 if (!cps->useSigint) return;
17310 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17311 switch (gameMode) {
17312 case MachinePlaysWhite:
17313 case MachinePlaysBlack:
17314 case TwoMachinesPlay:
17315 case IcsPlayingWhite:
17316 case IcsPlayingBlack:
17319 /* Skip if we know it isn't thinking */
17320 if (!cps->maybeThinking) return;
17321 if (appData.debugMode)
17322 fprintf(debugFP, "Interrupting %s\n", cps->which);
17323 InterruptChildProcess(cps->pr);
17324 cps->maybeThinking = FALSE;
17329 #endif /*ATTENTION*/
17335 if (whiteTimeRemaining <= 0) {
17338 if (appData.icsActive) {
17339 if (appData.autoCallFlag &&
17340 gameMode == IcsPlayingBlack && !blackFlag) {
17341 SendToICS(ics_prefix);
17342 SendToICS("flag\n");
17346 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17348 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17349 if (appData.autoCallFlag) {
17350 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17357 if (blackTimeRemaining <= 0) {
17360 if (appData.icsActive) {
17361 if (appData.autoCallFlag &&
17362 gameMode == IcsPlayingWhite && !whiteFlag) {
17363 SendToICS(ics_prefix);
17364 SendToICS("flag\n");
17368 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17370 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17371 if (appData.autoCallFlag) {
17372 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17383 CheckTimeControl ()
17385 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17386 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17389 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17391 if ( !WhiteOnMove(forwardMostMove) ) {
17392 /* White made time control */
17393 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17394 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17395 /* [HGM] time odds: correct new time quota for time odds! */
17396 / WhitePlayer()->timeOdds;
17397 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17399 lastBlack -= blackTimeRemaining;
17400 /* Black made time control */
17401 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17402 / WhitePlayer()->other->timeOdds;
17403 lastWhite = whiteTimeRemaining;
17408 DisplayBothClocks ()
17410 int wom = gameMode == EditPosition ?
17411 !blackPlaysFirst : WhiteOnMove(currentMove);
17412 DisplayWhiteClock(whiteTimeRemaining, wom);
17413 DisplayBlackClock(blackTimeRemaining, !wom);
17417 /* Timekeeping seems to be a portability nightmare. I think everyone
17418 has ftime(), but I'm really not sure, so I'm including some ifdefs
17419 to use other calls if you don't. Clocks will be less accurate if
17420 you have neither ftime nor gettimeofday.
17423 /* VS 2008 requires the #include outside of the function */
17424 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17425 #include <sys/timeb.h>
17428 /* Get the current time as a TimeMark */
17430 GetTimeMark (TimeMark *tm)
17432 #if HAVE_GETTIMEOFDAY
17434 struct timeval timeVal;
17435 struct timezone timeZone;
17437 gettimeofday(&timeVal, &timeZone);
17438 tm->sec = (long) timeVal.tv_sec;
17439 tm->ms = (int) (timeVal.tv_usec / 1000L);
17441 #else /*!HAVE_GETTIMEOFDAY*/
17444 // include <sys/timeb.h> / moved to just above start of function
17445 struct timeb timeB;
17448 tm->sec = (long) timeB.time;
17449 tm->ms = (int) timeB.millitm;
17451 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17452 tm->sec = (long) time(NULL);
17458 /* Return the difference in milliseconds between two
17459 time marks. We assume the difference will fit in a long!
17462 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17464 return 1000L*(tm2->sec - tm1->sec) +
17465 (long) (tm2->ms - tm1->ms);
17470 * Code to manage the game clocks.
17472 * In tournament play, black starts the clock and then white makes a move.
17473 * We give the human user a slight advantage if he is playing white---the
17474 * clocks don't run until he makes his first move, so it takes zero time.
17475 * Also, we don't account for network lag, so we could get out of sync
17476 * with GNU Chess's clock -- but then, referees are always right.
17479 static TimeMark tickStartTM;
17480 static long intendedTickLength;
17483 NextTickLength (long timeRemaining)
17485 long nominalTickLength, nextTickLength;
17487 if (timeRemaining > 0L && timeRemaining <= 10000L)
17488 nominalTickLength = 100L;
17490 nominalTickLength = 1000L;
17491 nextTickLength = timeRemaining % nominalTickLength;
17492 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17494 return nextTickLength;
17497 /* Adjust clock one minute up or down */
17499 AdjustClock (Boolean which, int dir)
17501 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17502 if(which) blackTimeRemaining += 60000*dir;
17503 else whiteTimeRemaining += 60000*dir;
17504 DisplayBothClocks();
17505 adjustedClock = TRUE;
17508 /* Stop clocks and reset to a fresh time control */
17512 (void) StopClockTimer();
17513 if (appData.icsActive) {
17514 whiteTimeRemaining = blackTimeRemaining = 0;
17515 } else if (searchTime) {
17516 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17517 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17518 } else { /* [HGM] correct new time quote for time odds */
17519 whiteTC = blackTC = fullTimeControlString;
17520 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17521 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17523 if (whiteFlag || blackFlag) {
17525 whiteFlag = blackFlag = FALSE;
17527 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17528 DisplayBothClocks();
17529 adjustedClock = FALSE;
17532 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17534 /* Decrement running clock by amount of time that has passed */
17538 long timeRemaining;
17539 long lastTickLength, fudge;
17542 if (!appData.clockMode) return;
17543 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17547 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17549 /* Fudge if we woke up a little too soon */
17550 fudge = intendedTickLength - lastTickLength;
17551 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17553 if (WhiteOnMove(forwardMostMove)) {
17554 if(whiteNPS >= 0) lastTickLength = 0;
17555 timeRemaining = whiteTimeRemaining -= lastTickLength;
17556 if(timeRemaining < 0 && !appData.icsActive) {
17557 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17558 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17559 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17560 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17563 DisplayWhiteClock(whiteTimeRemaining - fudge,
17564 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17566 if(blackNPS >= 0) lastTickLength = 0;
17567 timeRemaining = blackTimeRemaining -= lastTickLength;
17568 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17569 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17571 blackStartMove = forwardMostMove;
17572 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17575 DisplayBlackClock(blackTimeRemaining - fudge,
17576 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17578 if (CheckFlags()) return;
17580 if(twoBoards) { // count down secondary board's clocks as well
17581 activePartnerTime -= lastTickLength;
17583 if(activePartner == 'W')
17584 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17586 DisplayBlackClock(activePartnerTime, TRUE);
17591 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17592 StartClockTimer(intendedTickLength);
17594 /* if the time remaining has fallen below the alarm threshold, sound the
17595 * alarm. if the alarm has sounded and (due to a takeback or time control
17596 * with increment) the time remaining has increased to a level above the
17597 * threshold, reset the alarm so it can sound again.
17600 if (appData.icsActive && appData.icsAlarm) {
17602 /* make sure we are dealing with the user's clock */
17603 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17604 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17607 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17608 alarmSounded = FALSE;
17609 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17611 alarmSounded = TRUE;
17617 /* A player has just moved, so stop the previously running
17618 clock and (if in clock mode) start the other one.
17619 We redisplay both clocks in case we're in ICS mode, because
17620 ICS gives us an update to both clocks after every move.
17621 Note that this routine is called *after* forwardMostMove
17622 is updated, so the last fractional tick must be subtracted
17623 from the color that is *not* on move now.
17626 SwitchClocks (int newMoveNr)
17628 long lastTickLength;
17630 int flagged = FALSE;
17634 if (StopClockTimer() && appData.clockMode) {
17635 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17636 if (!WhiteOnMove(forwardMostMove)) {
17637 if(blackNPS >= 0) lastTickLength = 0;
17638 blackTimeRemaining -= lastTickLength;
17639 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17640 // if(pvInfoList[forwardMostMove].time == -1)
17641 pvInfoList[forwardMostMove].time = // use GUI time
17642 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17644 if(whiteNPS >= 0) lastTickLength = 0;
17645 whiteTimeRemaining -= lastTickLength;
17646 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17647 // if(pvInfoList[forwardMostMove].time == -1)
17648 pvInfoList[forwardMostMove].time =
17649 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17651 flagged = CheckFlags();
17653 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17654 CheckTimeControl();
17656 if (flagged || !appData.clockMode) return;
17658 switch (gameMode) {
17659 case MachinePlaysBlack:
17660 case MachinePlaysWhite:
17661 case BeginningOfGame:
17662 if (pausing) return;
17666 case PlayFromGameFile:
17674 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17675 if(WhiteOnMove(forwardMostMove))
17676 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17677 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17681 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17682 whiteTimeRemaining : blackTimeRemaining);
17683 StartClockTimer(intendedTickLength);
17687 /* Stop both clocks */
17691 long lastTickLength;
17694 if (!StopClockTimer()) return;
17695 if (!appData.clockMode) return;
17699 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17700 if (WhiteOnMove(forwardMostMove)) {
17701 if(whiteNPS >= 0) lastTickLength = 0;
17702 whiteTimeRemaining -= lastTickLength;
17703 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17705 if(blackNPS >= 0) lastTickLength = 0;
17706 blackTimeRemaining -= lastTickLength;
17707 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17712 /* Start clock of player on move. Time may have been reset, so
17713 if clock is already running, stop and restart it. */
17717 (void) StopClockTimer(); /* in case it was running already */
17718 DisplayBothClocks();
17719 if (CheckFlags()) return;
17721 if (!appData.clockMode) return;
17722 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17724 GetTimeMark(&tickStartTM);
17725 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17726 whiteTimeRemaining : blackTimeRemaining);
17728 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17729 whiteNPS = blackNPS = -1;
17730 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17731 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17732 whiteNPS = first.nps;
17733 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17734 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17735 blackNPS = first.nps;
17736 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17737 whiteNPS = second.nps;
17738 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17739 blackNPS = second.nps;
17740 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17742 StartClockTimer(intendedTickLength);
17746 TimeString (long ms)
17748 long second, minute, hour, day;
17750 static char buf[32];
17752 if (ms > 0 && ms <= 9900) {
17753 /* convert milliseconds to tenths, rounding up */
17754 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17756 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17760 /* convert milliseconds to seconds, rounding up */
17761 /* use floating point to avoid strangeness of integer division
17762 with negative dividends on many machines */
17763 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17770 day = second / (60 * 60 * 24);
17771 second = second % (60 * 60 * 24);
17772 hour = second / (60 * 60);
17773 second = second % (60 * 60);
17774 minute = second / 60;
17775 second = second % 60;
17778 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17779 sign, day, hour, minute, second);
17781 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17783 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17790 * This is necessary because some C libraries aren't ANSI C compliant yet.
17793 StrStr (char *string, char *match)
17797 length = strlen(match);
17799 for (i = strlen(string) - length; i >= 0; i--, string++)
17800 if (!strncmp(match, string, length))
17807 StrCaseStr (char *string, char *match)
17811 length = strlen(match);
17813 for (i = strlen(string) - length; i >= 0; i--, string++) {
17814 for (j = 0; j < length; j++) {
17815 if (ToLower(match[j]) != ToLower(string[j]))
17818 if (j == length) return string;
17826 StrCaseCmp (char *s1, char *s2)
17831 c1 = ToLower(*s1++);
17832 c2 = ToLower(*s2++);
17833 if (c1 > c2) return 1;
17834 if (c1 < c2) return -1;
17835 if (c1 == NULLCHAR) return 0;
17843 return isupper(c) ? tolower(c) : c;
17850 return islower(c) ? toupper(c) : c;
17852 #endif /* !_amigados */
17859 if ((ret = (char *) malloc(strlen(s) + 1)))
17861 safeStrCpy(ret, s, strlen(s)+1);
17867 StrSavePtr (char *s, char **savePtr)
17872 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17873 safeStrCpy(*savePtr, s, strlen(s)+1);
17885 clock = time((time_t *)NULL);
17886 tm = localtime(&clock);
17887 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17888 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17889 return StrSave(buf);
17894 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17896 int i, j, fromX, fromY, toX, toY;
17903 whiteToPlay = (gameMode == EditPosition) ?
17904 !blackPlaysFirst : (move % 2 == 0);
17907 /* Piece placement data */
17908 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17909 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17911 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17912 if (boards[move][i][j] == EmptySquare) {
17914 } else { ChessSquare piece = boards[move][i][j];
17915 if (emptycount > 0) {
17916 if(emptycount<10) /* [HGM] can be >= 10 */
17917 *p++ = '0' + emptycount;
17918 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17921 if(PieceToChar(piece) == '+') {
17922 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17924 piece = (ChessSquare)(CHUDEMOTED piece);
17926 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17927 if(*p = PieceSuffix(piece)) p++;
17929 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17930 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17935 if (emptycount > 0) {
17936 if(emptycount<10) /* [HGM] can be >= 10 */
17937 *p++ = '0' + emptycount;
17938 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17945 /* [HGM] print Crazyhouse or Shogi holdings */
17946 if( gameInfo.holdingsWidth ) {
17947 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17949 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17950 piece = boards[move][i][BOARD_WIDTH-1];
17951 if( piece != EmptySquare )
17952 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17953 *p++ = PieceToChar(piece);
17955 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17956 piece = boards[move][BOARD_HEIGHT-i-1][0];
17957 if( piece != EmptySquare )
17958 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17959 *p++ = PieceToChar(piece);
17962 if( q == p ) *p++ = '-';
17968 *p++ = whiteToPlay ? 'w' : 'b';
17971 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17972 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17974 if(nrCastlingRights) {
17975 int handW=0, handB=0;
17976 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
17977 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
17978 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17981 if(appData.fischerCastling) {
17982 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
17983 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
17984 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17986 /* [HGM] write directly from rights */
17987 if(boards[move][CASTLING][2] != NoRights &&
17988 boards[move][CASTLING][0] != NoRights )
17989 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17990 if(boards[move][CASTLING][2] != NoRights &&
17991 boards[move][CASTLING][1] != NoRights )
17992 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17995 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
17996 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17998 if(boards[move][CASTLING][5] != NoRights &&
17999 boards[move][CASTLING][3] != NoRights )
18000 *p++ = boards[move][CASTLING][3] + AAA;
18001 if(boards[move][CASTLING][5] != NoRights &&
18002 boards[move][CASTLING][4] != NoRights )
18003 *p++ = boards[move][CASTLING][4] + AAA;
18007 /* [HGM] write true castling rights */
18008 if( nrCastlingRights == 6 ) {
18010 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
18011 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18012 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
18013 boards[move][CASTLING][2] != NoRights );
18014 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18015 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18016 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18017 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18021 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
18022 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18023 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
18024 boards[move][CASTLING][5] != NoRights );
18026 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18027 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18028 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18033 if (q == p) *p++ = '-'; /* No castling rights */
18037 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18038 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18039 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18040 /* En passant target square */
18041 if (move > backwardMostMove) {
18042 fromX = moveList[move - 1][0] - AAA;
18043 fromY = moveList[move - 1][1] - ONE;
18044 toX = moveList[move - 1][2] - AAA;
18045 toY = moveList[move - 1][3] - ONE;
18046 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18047 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18048 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18050 /* 2-square pawn move just happened */
18052 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18056 } else if(move == backwardMostMove) {
18057 // [HGM] perhaps we should always do it like this, and forget the above?
18058 if((signed char)boards[move][EP_STATUS] >= 0) {
18059 *p++ = boards[move][EP_STATUS] + AAA;
18060 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18072 { int i = 0, j=move;
18074 /* [HGM] find reversible plies */
18075 if (appData.debugMode) { int k;
18076 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18077 for(k=backwardMostMove; k<=forwardMostMove; k++)
18078 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18082 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18083 if( j == backwardMostMove ) i += initialRulePlies;
18084 sprintf(p, "%d ", i);
18085 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18087 /* Fullmove number */
18088 sprintf(p, "%d", (move / 2) + 1);
18089 } else *--p = NULLCHAR;
18091 return StrSave(buf);
18095 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18097 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18099 int emptycount, virgin[BOARD_FILES];
18100 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18104 /* Piece placement data */
18105 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18108 if (*p == '/' || *p == ' ' || *p == '[' ) {
18110 emptycount = gameInfo.boardWidth - j;
18111 while (emptycount--)
18112 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18113 if (*p == '/') p++;
18114 else if(autoSize) { // we stumbled unexpectedly into end of board
18115 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18116 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18118 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18121 #if(BOARD_FILES >= 10)*0
18122 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18123 p++; emptycount=10;
18124 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18125 while (emptycount--)
18126 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18128 } else if (*p == '*') {
18129 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18130 } else if (isdigit(*p)) {
18131 emptycount = *p++ - '0';
18132 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18133 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18134 while (emptycount--)
18135 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18136 } else if (*p == '<') {
18137 if(i == BOARD_HEIGHT-1) shuffle = 1;
18138 else if (i != 0 || !shuffle) return FALSE;
18140 } else if (shuffle && *p == '>') {
18141 p++; // for now ignore closing shuffle range, and assume rank-end
18142 } else if (*p == '?') {
18143 if (j >= gameInfo.boardWidth) return FALSE;
18144 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18145 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18146 } else if (*p == '+' || isalpha(*p)) {
18147 char *q, *s = SUFFIXES;
18148 if (j >= gameInfo.boardWidth) return FALSE;
18151 if(q = strchr(s, p[1])) p++;
18152 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18153 if(piece == EmptySquare) return FALSE; /* unknown piece */
18154 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
18155 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18158 if(q = strchr(s, *p)) p++;
18159 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18162 if(piece==EmptySquare) return FALSE; /* unknown piece */
18163 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18164 piece = (ChessSquare) (PROMOTED piece);
18165 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18168 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18169 if(piece == king) wKingRank = i;
18170 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18176 while (*p == '/' || *p == ' ') p++;
18178 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
18180 /* [HGM] by default clear Crazyhouse holdings, if present */
18181 if(gameInfo.holdingsWidth) {
18182 for(i=0; i<BOARD_HEIGHT; i++) {
18183 board[i][0] = EmptySquare; /* black holdings */
18184 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18185 board[i][1] = (ChessSquare) 0; /* black counts */
18186 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18190 /* [HGM] look for Crazyhouse holdings here */
18191 while(*p==' ') p++;
18192 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18193 int swap=0, wcnt=0, bcnt=0;
18195 if(*p == '<') swap++, p++;
18196 if(*p == '-' ) p++; /* empty holdings */ else {
18197 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18198 /* if we would allow FEN reading to set board size, we would */
18199 /* have to add holdings and shift the board read so far here */
18200 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18202 if((int) piece >= (int) BlackPawn ) {
18203 i = (int)piece - (int)BlackPawn;
18204 i = PieceToNumber((ChessSquare)i);
18205 if( i >= gameInfo.holdingsSize ) return FALSE;
18206 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18207 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18210 i = (int)piece - (int)WhitePawn;
18211 i = PieceToNumber((ChessSquare)i);
18212 if( i >= gameInfo.holdingsSize ) return FALSE;
18213 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18214 board[i][BOARD_WIDTH-2]++; /* black holdings */
18218 if(subst) { // substitute back-rank question marks by holdings pieces
18219 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18220 int k, m, n = bcnt + 1;
18221 if(board[0][j] == ClearBoard) {
18222 if(!wcnt) return FALSE;
18224 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18225 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18226 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18230 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18231 if(!bcnt) return FALSE;
18232 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18233 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18234 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18235 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18246 if(subst) return FALSE; // substitution requested, but no holdings
18248 while(*p == ' ') p++;
18252 if(appData.colorNickNames) {
18253 if( c == appData.colorNickNames[0] ) c = 'w'; else
18254 if( c == appData.colorNickNames[1] ) c = 'b';
18258 *blackPlaysFirst = FALSE;
18261 *blackPlaysFirst = TRUE;
18267 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18268 /* return the extra info in global variiables */
18270 while(*p==' ') p++;
18272 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18273 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18274 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18277 /* set defaults in case FEN is incomplete */
18278 board[EP_STATUS] = EP_UNKNOWN;
18279 for(i=0; i<nrCastlingRights; i++ ) {
18280 board[CASTLING][i] =
18281 appData.fischerCastling ? NoRights : initialRights[i];
18282 } /* assume possible unless obviously impossible */
18283 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18284 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18285 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18286 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18287 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18288 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18289 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18290 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18293 if(nrCastlingRights) {
18295 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18296 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18297 /* castling indicator present, so default becomes no castlings */
18298 for(i=0; i<nrCastlingRights; i++ ) {
18299 board[CASTLING][i] = NoRights;
18302 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18303 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18304 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18305 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18306 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18308 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18309 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18310 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18312 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18313 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18314 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18315 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18316 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18317 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18320 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18321 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18322 board[CASTLING][2] = whiteKingFile;
18323 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18324 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18325 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18328 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18329 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18330 board[CASTLING][2] = whiteKingFile;
18331 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18332 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18333 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18336 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18337 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18338 board[CASTLING][5] = blackKingFile;
18339 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18340 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18341 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18344 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18345 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18346 board[CASTLING][5] = blackKingFile;
18347 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18348 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18349 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18352 default: /* FRC castlings */
18353 if(c >= 'a') { /* black rights */
18354 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18355 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18356 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18357 if(i == BOARD_RGHT) break;
18358 board[CASTLING][5] = i;
18360 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18361 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18363 board[CASTLING][3] = c;
18365 board[CASTLING][4] = c;
18366 } else { /* white rights */
18367 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18368 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18369 if(board[0][i] == WhiteKing) break;
18370 if(i == BOARD_RGHT) break;
18371 board[CASTLING][2] = i;
18372 c -= AAA - 'a' + 'A';
18373 if(board[0][c] >= WhiteKing) break;
18375 board[CASTLING][0] = c;
18377 board[CASTLING][1] = c;
18381 for(i=0; i<nrCastlingRights; i++)
18382 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18383 if(gameInfo.variant == VariantSChess)
18384 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18385 if(fischer && shuffle) appData.fischerCastling = TRUE;
18386 if (appData.debugMode) {
18387 fprintf(debugFP, "FEN castling rights:");
18388 for(i=0; i<nrCastlingRights; i++)
18389 fprintf(debugFP, " %d", board[CASTLING][i]);
18390 fprintf(debugFP, "\n");
18393 while(*p==' ') p++;
18396 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18398 /* read e.p. field in games that know e.p. capture */
18399 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18400 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18401 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18403 p++; board[EP_STATUS] = EP_NONE;
18405 char c = *p++ - AAA;
18407 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18408 if(*p >= '0' && *p <='9') p++;
18409 board[EP_STATUS] = c;
18414 if(sscanf(p, "%d", &i) == 1) {
18415 FENrulePlies = i; /* 50-move ply counter */
18416 /* (The move number is still ignored) */
18423 EditPositionPasteFEN (char *fen)
18426 Board initial_position;
18428 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18429 DisplayError(_("Bad FEN position in clipboard"), 0);
18432 int savedBlackPlaysFirst = blackPlaysFirst;
18433 EditPositionEvent();
18434 blackPlaysFirst = savedBlackPlaysFirst;
18435 CopyBoard(boards[0], initial_position);
18436 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18437 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18438 DisplayBothClocks();
18439 DrawPosition(FALSE, boards[currentMove]);
18444 static char cseq[12] = "\\ ";
18447 set_cont_sequence (char *new_seq)
18452 // handle bad attempts to set the sequence
18454 return 0; // acceptable error - no debug
18456 len = strlen(new_seq);
18457 ret = (len > 0) && (len < sizeof(cseq));
18459 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18460 else if (appData.debugMode)
18461 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18466 reformat a source message so words don't cross the width boundary. internal
18467 newlines are not removed. returns the wrapped size (no null character unless
18468 included in source message). If dest is NULL, only calculate the size required
18469 for the dest buffer. lp argument indicats line position upon entry, and it's
18470 passed back upon exit.
18473 wrap (char *dest, char *src, int count, int width, int *lp)
18475 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18477 cseq_len = strlen(cseq);
18478 old_line = line = *lp;
18479 ansi = len = clen = 0;
18481 for (i=0; i < count; i++)
18483 if (src[i] == '\033')
18486 // if we hit the width, back up
18487 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18489 // store i & len in case the word is too long
18490 old_i = i, old_len = len;
18492 // find the end of the last word
18493 while (i && src[i] != ' ' && src[i] != '\n')
18499 // word too long? restore i & len before splitting it
18500 if ((old_i-i+clen) >= width)
18507 if (i && src[i-1] == ' ')
18510 if (src[i] != ' ' && src[i] != '\n')
18517 // now append the newline and continuation sequence
18522 strncpy(dest+len, cseq, cseq_len);
18530 dest[len] = src[i];
18534 if (src[i] == '\n')
18539 if (dest && appData.debugMode)
18541 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18542 count, width, line, len, *lp);
18543 show_bytes(debugFP, src, count);
18544 fprintf(debugFP, "\ndest: ");
18545 show_bytes(debugFP, dest, len);
18546 fprintf(debugFP, "\n");
18548 *lp = dest ? line : old_line;
18553 // [HGM] vari: routines for shelving variations
18554 Boolean modeRestore = FALSE;
18557 PushInner (int firstMove, int lastMove)
18559 int i, j, nrMoves = lastMove - firstMove;
18561 // push current tail of game on stack
18562 savedResult[storedGames] = gameInfo.result;
18563 savedDetails[storedGames] = gameInfo.resultDetails;
18564 gameInfo.resultDetails = NULL;
18565 savedFirst[storedGames] = firstMove;
18566 savedLast [storedGames] = lastMove;
18567 savedFramePtr[storedGames] = framePtr;
18568 framePtr -= nrMoves; // reserve space for the boards
18569 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18570 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18571 for(j=0; j<MOVE_LEN; j++)
18572 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18573 for(j=0; j<2*MOVE_LEN; j++)
18574 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18575 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18576 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18577 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18578 pvInfoList[firstMove+i-1].depth = 0;
18579 commentList[framePtr+i] = commentList[firstMove+i];
18580 commentList[firstMove+i] = NULL;
18584 forwardMostMove = firstMove; // truncate game so we can start variation
18588 PushTail (int firstMove, int lastMove)
18590 if(appData.icsActive) { // only in local mode
18591 forwardMostMove = currentMove; // mimic old ICS behavior
18594 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18596 PushInner(firstMove, lastMove);
18597 if(storedGames == 1) GreyRevert(FALSE);
18598 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18602 PopInner (Boolean annotate)
18605 char buf[8000], moveBuf[20];
18607 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18608 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18609 nrMoves = savedLast[storedGames] - currentMove;
18612 if(!WhiteOnMove(currentMove))
18613 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18614 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18615 for(i=currentMove; i<forwardMostMove; i++) {
18617 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18618 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18619 strcat(buf, moveBuf);
18620 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18621 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18625 for(i=1; i<=nrMoves; i++) { // copy last variation back
18626 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18627 for(j=0; j<MOVE_LEN; j++)
18628 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18629 for(j=0; j<2*MOVE_LEN; j++)
18630 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18631 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18632 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18633 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18634 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18635 commentList[currentMove+i] = commentList[framePtr+i];
18636 commentList[framePtr+i] = NULL;
18638 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18639 framePtr = savedFramePtr[storedGames];
18640 gameInfo.result = savedResult[storedGames];
18641 if(gameInfo.resultDetails != NULL) {
18642 free(gameInfo.resultDetails);
18644 gameInfo.resultDetails = savedDetails[storedGames];
18645 forwardMostMove = currentMove + nrMoves;
18649 PopTail (Boolean annotate)
18651 if(appData.icsActive) return FALSE; // only in local mode
18652 if(!storedGames) return FALSE; // sanity
18653 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18655 PopInner(annotate);
18656 if(currentMove < forwardMostMove) ForwardEvent(); else
18657 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18659 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18665 { // remove all shelved variations
18667 for(i=0; i<storedGames; i++) {
18668 if(savedDetails[i])
18669 free(savedDetails[i]);
18670 savedDetails[i] = NULL;
18672 for(i=framePtr; i<MAX_MOVES; i++) {
18673 if(commentList[i]) free(commentList[i]);
18674 commentList[i] = NULL;
18676 framePtr = MAX_MOVES-1;
18681 LoadVariation (int index, char *text)
18682 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18683 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18684 int level = 0, move;
18686 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18687 // first find outermost bracketing variation
18688 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18689 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18690 if(*p == '{') wait = '}'; else
18691 if(*p == '[') wait = ']'; else
18692 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18693 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18695 if(*p == wait) wait = NULLCHAR; // closing ]} found
18698 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18699 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18700 end[1] = NULLCHAR; // clip off comment beyond variation
18701 ToNrEvent(currentMove-1);
18702 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18703 // kludge: use ParsePV() to append variation to game
18704 move = currentMove;
18705 ParsePV(start, TRUE, TRUE);
18706 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18707 ClearPremoveHighlights();
18709 ToNrEvent(currentMove+1);
18715 char *p, *q, buf[MSG_SIZ];
18716 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18717 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18718 ParseArgsFromString(buf);
18719 ActivateTheme(TRUE); // also redo colors
18723 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18726 q = appData.themeNames;
18727 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18728 if(appData.useBitmaps) {
18729 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18730 appData.liteBackTextureFile, appData.darkBackTextureFile,
18731 appData.liteBackTextureMode,
18732 appData.darkBackTextureMode );
18734 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18735 Col2Text(2), // lightSquareColor
18736 Col2Text(3) ); // darkSquareColor
18738 if(appData.useBorder) {
18739 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18742 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18744 if(appData.useFont) {
18745 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18746 appData.renderPiecesWithFont,
18747 appData.fontToPieceTable,
18748 Col2Text(9), // appData.fontBackColorWhite
18749 Col2Text(10) ); // appData.fontForeColorBlack
18751 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18752 appData.pieceDirectory);
18753 if(!appData.pieceDirectory[0])
18754 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18755 Col2Text(0), // whitePieceColor
18756 Col2Text(1) ); // blackPieceColor
18758 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18759 Col2Text(4), // highlightSquareColor
18760 Col2Text(5) ); // premoveHighlightColor
18761 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18762 if(insert != q) insert[-1] = NULLCHAR;
18763 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18766 ActivateTheme(FALSE);