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;
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=0; i<NrPieces/2-1; i++ ) {
5977 if(map[j] == ':' && *escapes) i = CHUPROMOTED WhitePawn, j++;
5978 table[i] = map[j++];
5979 if(p = strchr(escapes, map[j])) j++, table[i] += 64*(p - escapes + 1);
5981 table[(int) WhiteKing] = map[j++];
5982 for( i=0; i<NrPieces/2-1; i++ ) {
5984 if(map[j] == ':' && *escapes) i = CHUPROMOTED WhitePawn, j++;
5985 table[WHITE_TO_BLACK i] = map[j++];
5986 if(p = strchr(escapes, map[j])) j++, table[WHITE_TO_BLACK i] += 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%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6403 if(message[0] == '+' || message[0] == '~') {
6404 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6405 PieceToChar((ChessSquare)(DEMOTED *bp)),
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%c\n", ToUpper(PieceToChar(*bp)),
6428 if(message[0] == '+' || message[0] == '~') {
6429 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6430 PieceToChar((ChessSquare)(DEMOTED *bp)),
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=buf2, *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 (board[fromY][fromX] == king
10119 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10120 && toY == fromY && toX > fromX+1) {
10121 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10122 board[fromY][toX-1] = board[fromY][rookX];
10123 board[fromY][rookX] = EmptySquare;
10124 board[fromY][fromX] = EmptySquare;
10125 board[toY][toX] = king;
10126 } else if (board[fromY][fromX] == king
10127 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10128 && toY == fromY && toX < fromX-1) {
10129 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10130 board[fromY][toX+1] = board[fromY][rookX];
10131 board[fromY][rookX] = EmptySquare;
10132 board[fromY][fromX] = EmptySquare;
10133 board[toY][toX] = king;
10134 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10135 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10136 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10138 /* white pawn promotion */
10139 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10140 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10141 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10142 board[fromY][fromX] = EmptySquare;
10143 } else if ((fromY >= BOARD_HEIGHT>>1)
10144 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10146 && gameInfo.variant != VariantXiangqi
10147 && gameInfo.variant != VariantBerolina
10148 && (pawn == WhitePawn)
10149 && (board[toY][toX] == EmptySquare)) {
10150 board[fromY][fromX] = EmptySquare;
10151 board[toY][toX] = piece;
10152 if(toY == epRank - 128 + 1)
10153 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10155 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10156 } else if ((fromY == BOARD_HEIGHT-4)
10158 && gameInfo.variant == VariantBerolina
10159 && (board[fromY][fromX] == WhitePawn)
10160 && (board[toY][toX] == EmptySquare)) {
10161 board[fromY][fromX] = EmptySquare;
10162 board[toY][toX] = WhitePawn;
10163 if(oldEP & EP_BEROLIN_A) {
10164 captured = board[fromY][fromX-1];
10165 board[fromY][fromX-1] = EmptySquare;
10166 }else{ captured = board[fromY][fromX+1];
10167 board[fromY][fromX+1] = EmptySquare;
10169 } else if (board[fromY][fromX] == king
10170 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10171 && toY == fromY && toX > fromX+1) {
10172 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10173 board[fromY][toX-1] = board[fromY][rookX];
10174 board[fromY][rookX] = EmptySquare;
10175 board[fromY][fromX] = EmptySquare;
10176 board[toY][toX] = king;
10177 } else if (board[fromY][fromX] == king
10178 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10179 && toY == fromY && toX < fromX-1) {
10180 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10181 board[fromY][toX+1] = board[fromY][rookX];
10182 board[fromY][rookX] = EmptySquare;
10183 board[fromY][fromX] = EmptySquare;
10184 board[toY][toX] = king;
10185 } else if (fromY == 7 && fromX == 3
10186 && board[fromY][fromX] == BlackKing
10187 && toY == 7 && toX == 5) {
10188 board[fromY][fromX] = EmptySquare;
10189 board[toY][toX] = BlackKing;
10190 board[fromY][7] = EmptySquare;
10191 board[toY][4] = BlackRook;
10192 } else if (fromY == 7 && fromX == 3
10193 && board[fromY][fromX] == BlackKing
10194 && toY == 7 && toX == 1) {
10195 board[fromY][fromX] = EmptySquare;
10196 board[toY][toX] = BlackKing;
10197 board[fromY][0] = EmptySquare;
10198 board[toY][2] = BlackRook;
10199 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10200 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10201 && toY < promoRank && promoChar
10203 /* black pawn promotion */
10204 board[toY][toX] = CharToPiece(ToLower(promoChar));
10205 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10206 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10207 board[fromY][fromX] = EmptySquare;
10208 } else if ((fromY < BOARD_HEIGHT>>1)
10209 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10211 && gameInfo.variant != VariantXiangqi
10212 && gameInfo.variant != VariantBerolina
10213 && (pawn == BlackPawn)
10214 && (board[toY][toX] == EmptySquare)) {
10215 board[fromY][fromX] = EmptySquare;
10216 board[toY][toX] = piece;
10217 if(toY == epRank - 128 - 1)
10218 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10220 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10221 } else if ((fromY == 3)
10223 && gameInfo.variant == VariantBerolina
10224 && (board[fromY][fromX] == BlackPawn)
10225 && (board[toY][toX] == EmptySquare)) {
10226 board[fromY][fromX] = EmptySquare;
10227 board[toY][toX] = BlackPawn;
10228 if(oldEP & EP_BEROLIN_A) {
10229 captured = board[fromY][fromX-1];
10230 board[fromY][fromX-1] = EmptySquare;
10231 }else{ captured = board[fromY][fromX+1];
10232 board[fromY][fromX+1] = EmptySquare;
10235 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10236 board[fromY][fromX] = EmptySquare;
10237 board[toY][toX] = piece;
10241 if (gameInfo.holdingsWidth != 0) {
10243 /* !!A lot more code needs to be written to support holdings */
10244 /* [HGM] OK, so I have written it. Holdings are stored in the */
10245 /* penultimate board files, so they are automaticlly stored */
10246 /* in the game history. */
10247 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10248 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10249 /* Delete from holdings, by decreasing count */
10250 /* and erasing image if necessary */
10251 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10252 if(p < (int) BlackPawn) { /* white drop */
10253 p -= (int)WhitePawn;
10254 p = PieceToNumber((ChessSquare)p);
10255 if(p >= gameInfo.holdingsSize) p = 0;
10256 if(--board[p][BOARD_WIDTH-2] <= 0)
10257 board[p][BOARD_WIDTH-1] = EmptySquare;
10258 if((int)board[p][BOARD_WIDTH-2] < 0)
10259 board[p][BOARD_WIDTH-2] = 0;
10260 } else { /* black drop */
10261 p -= (int)BlackPawn;
10262 p = PieceToNumber((ChessSquare)p);
10263 if(p >= gameInfo.holdingsSize) p = 0;
10264 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10265 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10266 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10267 board[BOARD_HEIGHT-1-p][1] = 0;
10270 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10271 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10272 /* [HGM] holdings: Add to holdings, if holdings exist */
10273 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10274 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10275 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10277 p = (int) captured;
10278 if (p >= (int) BlackPawn) {
10279 p -= (int)BlackPawn;
10280 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10281 /* Restore shogi-promoted piece to its original first */
10282 captured = (ChessSquare) (DEMOTED captured);
10285 p = PieceToNumber((ChessSquare)p);
10286 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10287 board[p][BOARD_WIDTH-2]++;
10288 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10290 p -= (int)WhitePawn;
10291 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10292 captured = (ChessSquare) (DEMOTED captured);
10295 p = PieceToNumber((ChessSquare)p);
10296 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10297 board[BOARD_HEIGHT-1-p][1]++;
10298 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10301 } else if (gameInfo.variant == VariantAtomic) {
10302 if (captured != EmptySquare) {
10304 for (y = toY-1; y <= toY+1; y++) {
10305 for (x = toX-1; x <= toX+1; x++) {
10306 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10307 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10308 board[y][x] = EmptySquare;
10312 board[toY][toX] = EmptySquare;
10316 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10317 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10319 if(promoChar == '+') {
10320 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10321 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10322 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10323 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10324 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10325 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10326 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10327 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10328 board[toY][toX] = newPiece;
10330 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10331 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10332 // [HGM] superchess: take promotion piece out of holdings
10333 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10334 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10335 if(!--board[k][BOARD_WIDTH-2])
10336 board[k][BOARD_WIDTH-1] = EmptySquare;
10338 if(!--board[BOARD_HEIGHT-1-k][1])
10339 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10344 /* Updates forwardMostMove */
10346 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10348 int x = toX, y = toY;
10349 char *s = parseList[forwardMostMove];
10350 ChessSquare p = boards[forwardMostMove][toY][toX];
10351 // forwardMostMove++; // [HGM] bare: moved downstream
10353 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10354 (void) CoordsToAlgebraic(boards[forwardMostMove],
10355 PosFlags(forwardMostMove),
10356 fromY, fromX, y, x, promoChar,
10358 if(killX >= 0 && killY >= 0)
10359 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10361 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10362 int timeLeft; static int lastLoadFlag=0; int king, piece;
10363 piece = boards[forwardMostMove][fromY][fromX];
10364 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10365 if(gameInfo.variant == VariantKnightmate)
10366 king += (int) WhiteUnicorn - (int) WhiteKing;
10367 if(forwardMostMove == 0) {
10368 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10369 fprintf(serverMoves, "%s;", UserName());
10370 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10371 fprintf(serverMoves, "%s;", second.tidy);
10372 fprintf(serverMoves, "%s;", first.tidy);
10373 if(gameMode == MachinePlaysWhite)
10374 fprintf(serverMoves, "%s;", UserName());
10375 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10376 fprintf(serverMoves, "%s;", second.tidy);
10377 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10378 lastLoadFlag = loadFlag;
10380 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10381 // print castling suffix
10382 if( toY == fromY && piece == king ) {
10384 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10386 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10389 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10390 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10391 boards[forwardMostMove][toY][toX] == EmptySquare
10392 && fromX != toX && fromY != toY)
10393 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10394 // promotion suffix
10395 if(promoChar != NULLCHAR) {
10396 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10397 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10398 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10399 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10402 char buf[MOVE_LEN*2], *p; int len;
10403 fprintf(serverMoves, "/%d/%d",
10404 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10405 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10406 else timeLeft = blackTimeRemaining/1000;
10407 fprintf(serverMoves, "/%d", timeLeft);
10408 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10409 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10410 if(p = strchr(buf, '=')) *p = NULLCHAR;
10411 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10412 fprintf(serverMoves, "/%s", buf);
10414 fflush(serverMoves);
10417 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10418 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10421 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10422 if (commentList[forwardMostMove+1] != NULL) {
10423 free(commentList[forwardMostMove+1]);
10424 commentList[forwardMostMove+1] = NULL;
10426 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10427 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10428 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10429 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10430 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10431 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10432 adjustedClock = FALSE;
10433 gameInfo.result = GameUnfinished;
10434 if (gameInfo.resultDetails != NULL) {
10435 free(gameInfo.resultDetails);
10436 gameInfo.resultDetails = NULL;
10438 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10439 moveList[forwardMostMove - 1]);
10440 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10446 if(!IS_SHOGI(gameInfo.variant))
10447 strcat(parseList[forwardMostMove - 1], "+");
10451 strcat(parseList[forwardMostMove - 1], "#");
10456 /* Updates currentMove if not pausing */
10458 ShowMove (int fromX, int fromY, int toX, int toY)
10460 int instant = (gameMode == PlayFromGameFile) ?
10461 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10462 if(appData.noGUI) return;
10463 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10465 if (forwardMostMove == currentMove + 1) {
10466 AnimateMove(boards[forwardMostMove - 1],
10467 fromX, fromY, toX, toY);
10470 currentMove = forwardMostMove;
10473 killX = killY = -1; // [HGM] lion: used up
10475 if (instant) return;
10477 DisplayMove(currentMove - 1);
10478 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10479 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10480 SetHighlights(fromX, fromY, toX, toY);
10483 DrawPosition(FALSE, boards[currentMove]);
10484 DisplayBothClocks();
10485 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10489 SendEgtPath (ChessProgramState *cps)
10490 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10491 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10493 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10496 char c, *q = name+1, *r, *s;
10498 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10499 while(*p && *p != ',') *q++ = *p++;
10500 *q++ = ':'; *q = 0;
10501 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10502 strcmp(name, ",nalimov:") == 0 ) {
10503 // take nalimov path from the menu-changeable option first, if it is defined
10504 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10505 SendToProgram(buf,cps); // send egtbpath command for nalimov
10507 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10508 (s = StrStr(appData.egtFormats, name)) != NULL) {
10509 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10510 s = r = StrStr(s, ":") + 1; // beginning of path info
10511 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10512 c = *r; *r = 0; // temporarily null-terminate path info
10513 *--q = 0; // strip of trailig ':' from name
10514 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10516 SendToProgram(buf,cps); // send egtbpath command for this format
10518 if(*p == ',') p++; // read away comma to position for next format name
10523 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10525 int width = 8, height = 8, holdings = 0; // most common sizes
10526 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10527 // correct the deviations default for each variant
10528 if( v == VariantXiangqi ) width = 9, height = 10;
10529 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10530 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10531 if( v == VariantCapablanca || v == VariantCapaRandom ||
10532 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10534 if( v == VariantCourier ) width = 12;
10535 if( v == VariantSuper ) holdings = 8;
10536 if( v == VariantGreat ) width = 10, holdings = 8;
10537 if( v == VariantSChess ) holdings = 7;
10538 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10539 if( v == VariantChuChess) width = 10, height = 10;
10540 if( v == VariantChu ) width = 12, height = 12;
10541 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10542 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10543 holdingsSize >= 0 && holdingsSize != holdings;
10546 char variantError[MSG_SIZ];
10549 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10550 { // returns error message (recognizable by upper-case) if engine does not support the variant
10551 char *p, *variant = VariantName(v);
10552 static char b[MSG_SIZ];
10553 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10554 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10555 holdingsSize, variant); // cook up sized variant name
10556 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10557 if(StrStr(list, b) == NULL) {
10558 // specific sized variant not known, check if general sizing allowed
10559 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10560 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10561 boardWidth, boardHeight, holdingsSize, engine);
10564 /* [HGM] here we really should compare with the maximum supported board size */
10566 } else snprintf(b, MSG_SIZ,"%s", variant);
10567 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10568 p = StrStr(list, b);
10569 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10571 // occurs not at all in list, or only as sub-string
10572 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10573 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10574 int l = strlen(variantError);
10576 while(p != list && p[-1] != ',') p--;
10577 q = strchr(p, ',');
10578 if(q) *q = NULLCHAR;
10579 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10588 InitChessProgram (ChessProgramState *cps, int setup)
10589 /* setup needed to setup FRC opening position */
10591 char buf[MSG_SIZ], *b;
10592 if (appData.noChessProgram) return;
10593 hintRequested = FALSE;
10594 bookRequested = FALSE;
10596 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10597 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10598 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10599 if(cps->memSize) { /* [HGM] memory */
10600 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10601 SendToProgram(buf, cps);
10603 SendEgtPath(cps); /* [HGM] EGT */
10604 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10605 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10606 SendToProgram(buf, cps);
10609 setboardSpoiledMachineBlack = FALSE;
10610 SendToProgram(cps->initString, cps);
10611 if (gameInfo.variant != VariantNormal &&
10612 gameInfo.variant != VariantLoadable
10613 /* [HGM] also send variant if board size non-standard */
10614 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10616 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10617 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10620 char c, *q = cps->variants, *p = strchr(q, ',');
10621 if(p) *p = NULLCHAR;
10622 v = StringToVariant(q);
10623 DisplayError(variantError, 0);
10624 if(v != VariantUnknown && cps == &first) {
10626 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10627 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10628 ASSIGN(appData.variant, q);
10629 Reset(TRUE, FALSE);
10635 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10636 SendToProgram(buf, cps);
10638 currentlyInitializedVariant = gameInfo.variant;
10640 /* [HGM] send opening position in FRC to first engine */
10642 SendToProgram("force\n", cps);
10644 /* engine is now in force mode! Set flag to wake it up after first move. */
10645 setboardSpoiledMachineBlack = 1;
10648 if (cps->sendICS) {
10649 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10650 SendToProgram(buf, cps);
10652 cps->maybeThinking = FALSE;
10653 cps->offeredDraw = 0;
10654 if (!appData.icsActive) {
10655 SendTimeControl(cps, movesPerSession, timeControl,
10656 timeIncrement, appData.searchDepth,
10659 if (appData.showThinking
10660 // [HGM] thinking: four options require thinking output to be sent
10661 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10663 SendToProgram("post\n", cps);
10665 SendToProgram("hard\n", cps);
10666 if (!appData.ponderNextMove) {
10667 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10668 it without being sure what state we are in first. "hard"
10669 is not a toggle, so that one is OK.
10671 SendToProgram("easy\n", cps);
10673 if (cps->usePing) {
10674 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10675 SendToProgram(buf, cps);
10677 cps->initDone = TRUE;
10678 ClearEngineOutputPane(cps == &second);
10683 ResendOptions (ChessProgramState *cps)
10684 { // send the stored value of the options
10687 Option *opt = cps->option;
10688 for(i=0; i<cps->nrOptions; i++, opt++) {
10689 switch(opt->type) {
10693 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10696 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10699 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10705 SendToProgram(buf, cps);
10710 StartChessProgram (ChessProgramState *cps)
10715 if (appData.noChessProgram) return;
10716 cps->initDone = FALSE;
10718 if (strcmp(cps->host, "localhost") == 0) {
10719 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10720 } else if (*appData.remoteShell == NULLCHAR) {
10721 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10723 if (*appData.remoteUser == NULLCHAR) {
10724 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10727 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10728 cps->host, appData.remoteUser, cps->program);
10730 err = StartChildProcess(buf, "", &cps->pr);
10734 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10735 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10736 if(cps != &first) return;
10737 appData.noChessProgram = TRUE;
10740 // DisplayFatalError(buf, err, 1);
10741 // cps->pr = NoProc;
10742 // cps->isr = NULL;
10746 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10747 if (cps->protocolVersion > 1) {
10748 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10749 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10750 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10751 cps->comboCnt = 0; // and values of combo boxes
10753 SendToProgram(buf, cps);
10754 if(cps->reload) ResendOptions(cps);
10756 SendToProgram("xboard\n", cps);
10761 TwoMachinesEventIfReady P((void))
10763 static int curMess = 0;
10764 if (first.lastPing != first.lastPong) {
10765 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10766 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10769 if (second.lastPing != second.lastPong) {
10770 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10771 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10774 DisplayMessage("", ""); curMess = 0;
10775 TwoMachinesEvent();
10779 MakeName (char *template)
10783 static char buf[MSG_SIZ];
10787 clock = time((time_t *)NULL);
10788 tm = localtime(&clock);
10790 while(*p++ = *template++) if(p[-1] == '%') {
10791 switch(*template++) {
10792 case 0: *p = 0; return buf;
10793 case 'Y': i = tm->tm_year+1900; break;
10794 case 'y': i = tm->tm_year-100; break;
10795 case 'M': i = tm->tm_mon+1; break;
10796 case 'd': i = tm->tm_mday; break;
10797 case 'h': i = tm->tm_hour; break;
10798 case 'm': i = tm->tm_min; break;
10799 case 's': i = tm->tm_sec; break;
10802 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10808 CountPlayers (char *p)
10811 while(p = strchr(p, '\n')) p++, n++; // count participants
10816 WriteTourneyFile (char *results, FILE *f)
10817 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10818 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10819 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10820 // create a file with tournament description
10821 fprintf(f, "-participants {%s}\n", appData.participants);
10822 fprintf(f, "-seedBase %d\n", appData.seedBase);
10823 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10824 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10825 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10826 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10827 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10828 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10829 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10830 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10831 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10832 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10833 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10834 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10835 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10836 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10837 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10838 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10839 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10840 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10841 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10842 fprintf(f, "-smpCores %d\n", appData.smpCores);
10844 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10846 fprintf(f, "-mps %d\n", appData.movesPerSession);
10847 fprintf(f, "-tc %s\n", appData.timeControl);
10848 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10850 fprintf(f, "-results \"%s\"\n", results);
10855 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10858 Substitute (char *participants, int expunge)
10860 int i, changed, changes=0, nPlayers=0;
10861 char *p, *q, *r, buf[MSG_SIZ];
10862 if(participants == NULL) return;
10863 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10864 r = p = participants; q = appData.participants;
10865 while(*p && *p == *q) {
10866 if(*p == '\n') r = p+1, nPlayers++;
10869 if(*p) { // difference
10870 while(*p && *p++ != '\n');
10871 while(*q && *q++ != '\n');
10872 changed = nPlayers;
10873 changes = 1 + (strcmp(p, q) != 0);
10875 if(changes == 1) { // a single engine mnemonic was changed
10876 q = r; while(*q) nPlayers += (*q++ == '\n');
10877 p = buf; while(*r && (*p = *r++) != '\n') p++;
10879 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10880 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10881 if(mnemonic[i]) { // The substitute is valid
10883 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10884 flock(fileno(f), LOCK_EX);
10885 ParseArgsFromFile(f);
10886 fseek(f, 0, SEEK_SET);
10887 FREE(appData.participants); appData.participants = participants;
10888 if(expunge) { // erase results of replaced engine
10889 int len = strlen(appData.results), w, b, dummy;
10890 for(i=0; i<len; i++) {
10891 Pairing(i, nPlayers, &w, &b, &dummy);
10892 if((w == changed || b == changed) && appData.results[i] == '*') {
10893 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10898 for(i=0; i<len; i++) {
10899 Pairing(i, nPlayers, &w, &b, &dummy);
10900 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10903 WriteTourneyFile(appData.results, f);
10904 fclose(f); // release lock
10907 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10909 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10910 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10911 free(participants);
10916 CheckPlayers (char *participants)
10919 char buf[MSG_SIZ], *p;
10920 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10921 while(p = strchr(participants, '\n')) {
10923 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10925 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10927 DisplayError(buf, 0);
10931 participants = p + 1;
10937 CreateTourney (char *name)
10940 if(matchMode && strcmp(name, appData.tourneyFile)) {
10941 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10943 if(name[0] == NULLCHAR) {
10944 if(appData.participants[0])
10945 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10948 f = fopen(name, "r");
10949 if(f) { // file exists
10950 ASSIGN(appData.tourneyFile, name);
10951 ParseArgsFromFile(f); // parse it
10953 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10954 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10955 DisplayError(_("Not enough participants"), 0);
10958 if(CheckPlayers(appData.participants)) return 0;
10959 ASSIGN(appData.tourneyFile, name);
10960 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10961 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10964 appData.noChessProgram = FALSE;
10965 appData.clockMode = TRUE;
10971 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10973 char buf[MSG_SIZ], *p, *q;
10974 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10975 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10976 skip = !all && group[0]; // if group requested, we start in skip mode
10977 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10978 p = names; q = buf; header = 0;
10979 while(*p && *p != '\n') *q++ = *p++;
10981 if(*p == '\n') p++;
10982 if(buf[0] == '#') {
10983 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10984 depth++; // we must be entering a new group
10985 if(all) continue; // suppress printing group headers when complete list requested
10987 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10989 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10990 if(engineList[i]) free(engineList[i]);
10991 engineList[i] = strdup(buf);
10992 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10993 if(engineMnemonic[i]) free(engineMnemonic[i]);
10994 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10996 sscanf(q + 8, "%s", buf + strlen(buf));
10999 engineMnemonic[i] = strdup(buf);
11002 engineList[i] = engineMnemonic[i] = NULL;
11006 // following implemented as macro to avoid type limitations
11007 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11010 SwapEngines (int n)
11011 { // swap settings for first engine and other engine (so far only some selected options)
11016 SWAP(chessProgram, p)
11018 SWAP(hasOwnBookUCI, h)
11019 SWAP(protocolVersion, h)
11021 SWAP(scoreIsAbsolute, h)
11026 SWAP(engOptions, p)
11027 SWAP(engInitString, p)
11028 SWAP(computerString, p)
11030 SWAP(fenOverride, p)
11032 SWAP(accumulateTC, h)
11039 GetEngineLine (char *s, int n)
11043 extern char *icsNames;
11044 if(!s || !*s) return 0;
11045 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11046 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11047 if(!mnemonic[i]) return 0;
11048 if(n == 11) return 1; // just testing if there was a match
11049 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11050 if(n == 1) SwapEngines(n);
11051 ParseArgsFromString(buf);
11052 if(n == 1) SwapEngines(n);
11053 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11054 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11055 ParseArgsFromString(buf);
11061 SetPlayer (int player, char *p)
11062 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11064 char buf[MSG_SIZ], *engineName;
11065 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11066 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11067 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11069 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11070 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11071 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11072 ParseArgsFromString(buf);
11073 } else { // no engine with this nickname is installed!
11074 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11075 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11076 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11078 DisplayError(buf, 0);
11085 char *recentEngines;
11088 RecentEngineEvent (int nr)
11091 // SwapEngines(1); // bump first to second
11092 // ReplaceEngine(&second, 1); // and load it there
11093 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11094 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11095 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11096 ReplaceEngine(&first, 0);
11097 FloatToFront(&appData.recentEngineList, command[n]);
11102 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11103 { // determine players from game number
11104 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11106 if(appData.tourneyType == 0) {
11107 roundsPerCycle = (nPlayers - 1) | 1;
11108 pairingsPerRound = nPlayers / 2;
11109 } else if(appData.tourneyType > 0) {
11110 roundsPerCycle = nPlayers - appData.tourneyType;
11111 pairingsPerRound = appData.tourneyType;
11113 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11114 gamesPerCycle = gamesPerRound * roundsPerCycle;
11115 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11116 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11117 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11118 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11119 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11120 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11122 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11123 if(appData.roundSync) *syncInterval = gamesPerRound;
11125 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11127 if(appData.tourneyType == 0) {
11128 if(curPairing == (nPlayers-1)/2 ) {
11129 *whitePlayer = curRound;
11130 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11132 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11133 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11134 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11135 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11137 } else if(appData.tourneyType > 1) {
11138 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11139 *whitePlayer = curRound + appData.tourneyType;
11140 } else if(appData.tourneyType > 0) {
11141 *whitePlayer = curPairing;
11142 *blackPlayer = curRound + appData.tourneyType;
11145 // take care of white/black alternation per round.
11146 // For cycles and games this is already taken care of by default, derived from matchGame!
11147 return curRound & 1;
11151 NextTourneyGame (int nr, int *swapColors)
11152 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11154 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11156 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11157 tf = fopen(appData.tourneyFile, "r");
11158 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11159 ParseArgsFromFile(tf); fclose(tf);
11160 InitTimeControls(); // TC might be altered from tourney file
11162 nPlayers = CountPlayers(appData.participants); // count participants
11163 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11164 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11167 p = q = appData.results;
11168 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11169 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11170 DisplayMessage(_("Waiting for other game(s)"),"");
11171 waitingForGame = TRUE;
11172 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11175 waitingForGame = FALSE;
11178 if(appData.tourneyType < 0) {
11179 if(nr>=0 && !pairingReceived) {
11181 if(pairing.pr == NoProc) {
11182 if(!appData.pairingEngine[0]) {
11183 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11186 StartChessProgram(&pairing); // starts the pairing engine
11188 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11189 SendToProgram(buf, &pairing);
11190 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11191 SendToProgram(buf, &pairing);
11192 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11194 pairingReceived = 0; // ... so we continue here
11196 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11197 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11198 matchGame = 1; roundNr = nr / syncInterval + 1;
11201 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11203 // redefine engines, engine dir, etc.
11204 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11205 if(first.pr == NoProc) {
11206 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11207 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11209 if(second.pr == NoProc) {
11211 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11212 SwapEngines(1); // and make that valid for second engine by swapping
11213 InitEngine(&second, 1);
11215 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11216 UpdateLogos(FALSE); // leave display to ModeHiglight()
11222 { // performs game initialization that does not invoke engines, and then tries to start the game
11223 int res, firstWhite, swapColors = 0;
11224 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11225 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
11227 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11228 if(strcmp(buf, currentDebugFile)) { // name has changed
11229 FILE *f = fopen(buf, "w");
11230 if(f) { // if opening the new file failed, just keep using the old one
11231 ASSIGN(currentDebugFile, buf);
11235 if(appData.serverFileName) {
11236 if(serverFP) fclose(serverFP);
11237 serverFP = fopen(appData.serverFileName, "w");
11238 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11239 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11243 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11244 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11245 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11246 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11247 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11248 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11249 Reset(FALSE, first.pr != NoProc);
11250 res = LoadGameOrPosition(matchGame); // setup game
11251 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11252 if(!res) return; // abort when bad game/pos file
11253 TwoMachinesEvent();
11257 UserAdjudicationEvent (int result)
11259 ChessMove gameResult = GameIsDrawn;
11262 gameResult = WhiteWins;
11264 else if( result < 0 ) {
11265 gameResult = BlackWins;
11268 if( gameMode == TwoMachinesPlay ) {
11269 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11274 // [HGM] save: calculate checksum of game to make games easily identifiable
11276 StringCheckSum (char *s)
11279 if(s==NULL) return 0;
11280 while(*s) i = i*259 + *s++;
11288 for(i=backwardMostMove; i<forwardMostMove; i++) {
11289 sum += pvInfoList[i].depth;
11290 sum += StringCheckSum(parseList[i]);
11291 sum += StringCheckSum(commentList[i]);
11294 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11295 return sum + StringCheckSum(commentList[i]);
11296 } // end of save patch
11299 GameEnds (ChessMove result, char *resultDetails, int whosays)
11301 GameMode nextGameMode;
11303 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11305 if(endingGame) return; /* [HGM] crash: forbid recursion */
11307 if(twoBoards) { // [HGM] dual: switch back to one board
11308 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11309 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11311 if (appData.debugMode) {
11312 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11313 result, resultDetails ? resultDetails : "(null)", whosays);
11316 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11318 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11320 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11321 /* If we are playing on ICS, the server decides when the
11322 game is over, but the engine can offer to draw, claim
11326 if (appData.zippyPlay && first.initDone) {
11327 if (result == GameIsDrawn) {
11328 /* In case draw still needs to be claimed */
11329 SendToICS(ics_prefix);
11330 SendToICS("draw\n");
11331 } else if (StrCaseStr(resultDetails, "resign")) {
11332 SendToICS(ics_prefix);
11333 SendToICS("resign\n");
11337 endingGame = 0; /* [HGM] crash */
11341 /* If we're loading the game from a file, stop */
11342 if (whosays == GE_FILE) {
11343 (void) StopLoadGameTimer();
11347 /* Cancel draw offers */
11348 first.offeredDraw = second.offeredDraw = 0;
11350 /* If this is an ICS game, only ICS can really say it's done;
11351 if not, anyone can. */
11352 isIcsGame = (gameMode == IcsPlayingWhite ||
11353 gameMode == IcsPlayingBlack ||
11354 gameMode == IcsObserving ||
11355 gameMode == IcsExamining);
11357 if (!isIcsGame || whosays == GE_ICS) {
11358 /* OK -- not an ICS game, or ICS said it was done */
11360 if (!isIcsGame && !appData.noChessProgram)
11361 SetUserThinkingEnables();
11363 /* [HGM] if a machine claims the game end we verify this claim */
11364 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11365 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11367 ChessMove trueResult = (ChessMove) -1;
11369 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11370 first.twoMachinesColor[0] :
11371 second.twoMachinesColor[0] ;
11373 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11374 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11375 /* [HGM] verify: engine mate claims accepted if they were flagged */
11376 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11378 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11379 /* [HGM] verify: engine mate claims accepted if they were flagged */
11380 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11382 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11383 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11386 // now verify win claims, but not in drop games, as we don't understand those yet
11387 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11388 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11389 (result == WhiteWins && claimer == 'w' ||
11390 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11391 if (appData.debugMode) {
11392 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11393 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11395 if(result != trueResult) {
11396 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11397 result = claimer == 'w' ? BlackWins : WhiteWins;
11398 resultDetails = buf;
11401 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11402 && (forwardMostMove <= backwardMostMove ||
11403 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11404 (claimer=='b')==(forwardMostMove&1))
11406 /* [HGM] verify: draws that were not flagged are false claims */
11407 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11408 result = claimer == 'w' ? BlackWins : WhiteWins;
11409 resultDetails = buf;
11411 /* (Claiming a loss is accepted no questions asked!) */
11412 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11413 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11414 result = GameUnfinished;
11415 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11417 /* [HGM] bare: don't allow bare King to win */
11418 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11419 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11420 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11421 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11422 && result != GameIsDrawn)
11423 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11424 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11425 int p = (signed char)boards[forwardMostMove][i][j] - color;
11426 if(p >= 0 && p <= (int)WhiteKing) k++;
11427 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11429 if (appData.debugMode) {
11430 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11431 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11433 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11434 result = GameIsDrawn;
11435 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11436 resultDetails = buf;
11442 if(serverMoves != NULL && !loadFlag) { char c = '=';
11443 if(result==WhiteWins) c = '+';
11444 if(result==BlackWins) c = '-';
11445 if(resultDetails != NULL)
11446 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11448 if (resultDetails != NULL) {
11449 gameInfo.result = result;
11450 gameInfo.resultDetails = StrSave(resultDetails);
11452 /* display last move only if game was not loaded from file */
11453 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11454 DisplayMove(currentMove - 1);
11456 if (forwardMostMove != 0) {
11457 if (gameMode != PlayFromGameFile && gameMode != EditGame
11458 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11460 if (*appData.saveGameFile != NULLCHAR) {
11461 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11462 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11464 SaveGameToFile(appData.saveGameFile, TRUE);
11465 } else if (appData.autoSaveGames) {
11466 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11468 if (*appData.savePositionFile != NULLCHAR) {
11469 SavePositionToFile(appData.savePositionFile);
11471 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11475 /* Tell program how game ended in case it is learning */
11476 /* [HGM] Moved this to after saving the PGN, just in case */
11477 /* engine died and we got here through time loss. In that */
11478 /* case we will get a fatal error writing the pipe, which */
11479 /* would otherwise lose us the PGN. */
11480 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11481 /* output during GameEnds should never be fatal anymore */
11482 if (gameMode == MachinePlaysWhite ||
11483 gameMode == MachinePlaysBlack ||
11484 gameMode == TwoMachinesPlay ||
11485 gameMode == IcsPlayingWhite ||
11486 gameMode == IcsPlayingBlack ||
11487 gameMode == BeginningOfGame) {
11489 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11491 if (first.pr != NoProc) {
11492 SendToProgram(buf, &first);
11494 if (second.pr != NoProc &&
11495 gameMode == TwoMachinesPlay) {
11496 SendToProgram(buf, &second);
11501 if (appData.icsActive) {
11502 if (appData.quietPlay &&
11503 (gameMode == IcsPlayingWhite ||
11504 gameMode == IcsPlayingBlack)) {
11505 SendToICS(ics_prefix);
11506 SendToICS("set shout 1\n");
11508 nextGameMode = IcsIdle;
11509 ics_user_moved = FALSE;
11510 /* clean up premove. It's ugly when the game has ended and the
11511 * premove highlights are still on the board.
11514 gotPremove = FALSE;
11515 ClearPremoveHighlights();
11516 DrawPosition(FALSE, boards[currentMove]);
11518 if (whosays == GE_ICS) {
11521 if (gameMode == IcsPlayingWhite)
11523 else if(gameMode == IcsPlayingBlack)
11524 PlayIcsLossSound();
11527 if (gameMode == IcsPlayingBlack)
11529 else if(gameMode == IcsPlayingWhite)
11530 PlayIcsLossSound();
11533 PlayIcsDrawSound();
11536 PlayIcsUnfinishedSound();
11539 if(appData.quitNext) { ExitEvent(0); return; }
11540 } else if (gameMode == EditGame ||
11541 gameMode == PlayFromGameFile ||
11542 gameMode == AnalyzeMode ||
11543 gameMode == AnalyzeFile) {
11544 nextGameMode = gameMode;
11546 nextGameMode = EndOfGame;
11551 nextGameMode = gameMode;
11554 if (appData.noChessProgram) {
11555 gameMode = nextGameMode;
11557 endingGame = 0; /* [HGM] crash */
11562 /* Put first chess program into idle state */
11563 if (first.pr != NoProc &&
11564 (gameMode == MachinePlaysWhite ||
11565 gameMode == MachinePlaysBlack ||
11566 gameMode == TwoMachinesPlay ||
11567 gameMode == IcsPlayingWhite ||
11568 gameMode == IcsPlayingBlack ||
11569 gameMode == BeginningOfGame)) {
11570 SendToProgram("force\n", &first);
11571 if (first.usePing) {
11573 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11574 SendToProgram(buf, &first);
11577 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11578 /* Kill off first chess program */
11579 if (first.isr != NULL)
11580 RemoveInputSource(first.isr);
11583 if (first.pr != NoProc) {
11585 DoSleep( appData.delayBeforeQuit );
11586 SendToProgram("quit\n", &first);
11587 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11588 first.reload = TRUE;
11592 if (second.reuse) {
11593 /* Put second chess program into idle state */
11594 if (second.pr != NoProc &&
11595 gameMode == TwoMachinesPlay) {
11596 SendToProgram("force\n", &second);
11597 if (second.usePing) {
11599 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11600 SendToProgram(buf, &second);
11603 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11604 /* Kill off second chess program */
11605 if (second.isr != NULL)
11606 RemoveInputSource(second.isr);
11609 if (second.pr != NoProc) {
11610 DoSleep( appData.delayBeforeQuit );
11611 SendToProgram("quit\n", &second);
11612 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11613 second.reload = TRUE;
11615 second.pr = NoProc;
11618 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11619 char resChar = '=';
11623 if (first.twoMachinesColor[0] == 'w') {
11626 second.matchWins++;
11631 if (first.twoMachinesColor[0] == 'b') {
11634 second.matchWins++;
11637 case GameUnfinished:
11643 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11644 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11645 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11646 ReserveGame(nextGame, resChar); // sets nextGame
11647 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11648 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11649 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11651 if (nextGame <= appData.matchGames && !abortMatch) {
11652 gameMode = nextGameMode;
11653 matchGame = nextGame; // this will be overruled in tourney mode!
11654 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11655 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11656 endingGame = 0; /* [HGM] crash */
11659 gameMode = nextGameMode;
11660 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11661 first.tidy, second.tidy,
11662 first.matchWins, second.matchWins,
11663 appData.matchGames - (first.matchWins + second.matchWins));
11664 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11665 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11666 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11667 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11668 first.twoMachinesColor = "black\n";
11669 second.twoMachinesColor = "white\n";
11671 first.twoMachinesColor = "white\n";
11672 second.twoMachinesColor = "black\n";
11676 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11677 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11679 gameMode = nextGameMode;
11681 endingGame = 0; /* [HGM] crash */
11682 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11683 if(matchMode == TRUE) { // match through command line: exit with or without popup
11685 ToNrEvent(forwardMostMove);
11686 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11688 } else DisplayFatalError(buf, 0, 0);
11689 } else { // match through menu; just stop, with or without popup
11690 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11693 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11694 } else DisplayNote(buf);
11696 if(ranking) free(ranking);
11700 /* Assumes program was just initialized (initString sent).
11701 Leaves program in force mode. */
11703 FeedMovesToProgram (ChessProgramState *cps, int upto)
11707 if (appData.debugMode)
11708 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11709 startedFromSetupPosition ? "position and " : "",
11710 backwardMostMove, upto, cps->which);
11711 if(currentlyInitializedVariant != gameInfo.variant) {
11713 // [HGM] variantswitch: make engine aware of new variant
11714 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11715 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11716 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11717 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11718 SendToProgram(buf, cps);
11719 currentlyInitializedVariant = gameInfo.variant;
11721 SendToProgram("force\n", cps);
11722 if (startedFromSetupPosition) {
11723 SendBoard(cps, backwardMostMove);
11724 if (appData.debugMode) {
11725 fprintf(debugFP, "feedMoves\n");
11728 for (i = backwardMostMove; i < upto; i++) {
11729 SendMoveToProgram(i, cps);
11735 ResurrectChessProgram ()
11737 /* The chess program may have exited.
11738 If so, restart it and feed it all the moves made so far. */
11739 static int doInit = 0;
11741 if (appData.noChessProgram) return 1;
11743 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11744 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11745 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11746 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11748 if (first.pr != NoProc) return 1;
11749 StartChessProgram(&first);
11751 InitChessProgram(&first, FALSE);
11752 FeedMovesToProgram(&first, currentMove);
11754 if (!first.sendTime) {
11755 /* can't tell gnuchess what its clock should read,
11756 so we bow to its notion. */
11758 timeRemaining[0][currentMove] = whiteTimeRemaining;
11759 timeRemaining[1][currentMove] = blackTimeRemaining;
11762 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11763 appData.icsEngineAnalyze) && first.analysisSupport) {
11764 SendToProgram("analyze\n", &first);
11765 first.analyzing = TRUE;
11771 * Button procedures
11774 Reset (int redraw, int init)
11778 if (appData.debugMode) {
11779 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11780 redraw, init, gameMode);
11782 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11783 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11784 CleanupTail(); // [HGM] vari: delete any stored variations
11785 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11786 pausing = pauseExamInvalid = FALSE;
11787 startedFromSetupPosition = blackPlaysFirst = FALSE;
11789 whiteFlag = blackFlag = FALSE;
11790 userOfferedDraw = FALSE;
11791 hintRequested = bookRequested = FALSE;
11792 first.maybeThinking = FALSE;
11793 second.maybeThinking = FALSE;
11794 first.bookSuspend = FALSE; // [HGM] book
11795 second.bookSuspend = FALSE;
11796 thinkOutput[0] = NULLCHAR;
11797 lastHint[0] = NULLCHAR;
11798 ClearGameInfo(&gameInfo);
11799 gameInfo.variant = StringToVariant(appData.variant);
11800 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11801 ics_user_moved = ics_clock_paused = FALSE;
11802 ics_getting_history = H_FALSE;
11804 white_holding[0] = black_holding[0] = NULLCHAR;
11805 ClearProgramStats();
11806 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11810 flipView = appData.flipView;
11811 ClearPremoveHighlights();
11812 gotPremove = FALSE;
11813 alarmSounded = FALSE;
11814 killX = killY = -1; // [HGM] lion
11816 GameEnds(EndOfFile, NULL, GE_PLAYER);
11817 if(appData.serverMovesName != NULL) {
11818 /* [HGM] prepare to make moves file for broadcasting */
11819 clock_t t = clock();
11820 if(serverMoves != NULL) fclose(serverMoves);
11821 serverMoves = fopen(appData.serverMovesName, "r");
11822 if(serverMoves != NULL) {
11823 fclose(serverMoves);
11824 /* delay 15 sec before overwriting, so all clients can see end */
11825 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11827 serverMoves = fopen(appData.serverMovesName, "w");
11831 gameMode = BeginningOfGame;
11833 if(appData.icsActive) gameInfo.variant = VariantNormal;
11834 currentMove = forwardMostMove = backwardMostMove = 0;
11835 MarkTargetSquares(1);
11836 InitPosition(redraw);
11837 for (i = 0; i < MAX_MOVES; i++) {
11838 if (commentList[i] != NULL) {
11839 free(commentList[i]);
11840 commentList[i] = NULL;
11844 timeRemaining[0][0] = whiteTimeRemaining;
11845 timeRemaining[1][0] = blackTimeRemaining;
11847 if (first.pr == NoProc) {
11848 StartChessProgram(&first);
11851 InitChessProgram(&first, startedFromSetupPosition);
11854 DisplayMessage("", "");
11855 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11856 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11857 ClearMap(); // [HGM] exclude: invalidate map
11861 AutoPlayGameLoop ()
11864 if (!AutoPlayOneMove())
11866 if (matchMode || appData.timeDelay == 0)
11868 if (appData.timeDelay < 0)
11870 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11878 ReloadGame(1); // next game
11884 int fromX, fromY, toX, toY;
11886 if (appData.debugMode) {
11887 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11890 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11893 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11894 pvInfoList[currentMove].depth = programStats.depth;
11895 pvInfoList[currentMove].score = programStats.score;
11896 pvInfoList[currentMove].time = 0;
11897 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11898 else { // append analysis of final position as comment
11900 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11901 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11903 programStats.depth = 0;
11906 if (currentMove >= forwardMostMove) {
11907 if(gameMode == AnalyzeFile) {
11908 if(appData.loadGameIndex == -1) {
11909 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11910 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11912 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11915 // gameMode = EndOfGame;
11916 // ModeHighlight();
11918 /* [AS] Clear current move marker at the end of a game */
11919 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11924 toX = moveList[currentMove][2] - AAA;
11925 toY = moveList[currentMove][3] - ONE;
11927 if (moveList[currentMove][1] == '@') {
11928 if (appData.highlightLastMove) {
11929 SetHighlights(-1, -1, toX, toY);
11932 int viaX = moveList[currentMove][5] - AAA;
11933 int viaY = moveList[currentMove][6] - ONE;
11934 fromX = moveList[currentMove][0] - AAA;
11935 fromY = moveList[currentMove][1] - ONE;
11937 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11939 if(moveList[currentMove][4] == ';') { // multi-leg
11940 ChessSquare piece = boards[currentMove][viaY][viaX];
11941 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11942 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11943 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11944 boards[currentMove][viaY][viaX] = piece;
11946 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11948 if (appData.highlightLastMove) {
11949 SetHighlights(fromX, fromY, toX, toY);
11952 DisplayMove(currentMove);
11953 SendMoveToProgram(currentMove++, &first);
11954 DisplayBothClocks();
11955 DrawPosition(FALSE, boards[currentMove]);
11956 // [HGM] PV info: always display, routine tests if empty
11957 DisplayComment(currentMove - 1, commentList[currentMove]);
11963 LoadGameOneMove (ChessMove readAhead)
11965 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11966 char promoChar = NULLCHAR;
11967 ChessMove moveType;
11968 char move[MSG_SIZ];
11971 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11972 gameMode != AnalyzeMode && gameMode != Training) {
11977 yyboardindex = forwardMostMove;
11978 if (readAhead != EndOfFile) {
11979 moveType = readAhead;
11981 if (gameFileFP == NULL)
11983 moveType = (ChessMove) Myylex();
11987 switch (moveType) {
11989 if (appData.debugMode)
11990 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11993 /* append the comment but don't display it */
11994 AppendComment(currentMove, p, FALSE);
11997 case WhiteCapturesEnPassant:
11998 case BlackCapturesEnPassant:
11999 case WhitePromotion:
12000 case BlackPromotion:
12001 case WhiteNonPromotion:
12002 case BlackNonPromotion:
12005 case WhiteKingSideCastle:
12006 case WhiteQueenSideCastle:
12007 case BlackKingSideCastle:
12008 case BlackQueenSideCastle:
12009 case WhiteKingSideCastleWild:
12010 case WhiteQueenSideCastleWild:
12011 case BlackKingSideCastleWild:
12012 case BlackQueenSideCastleWild:
12014 case WhiteHSideCastleFR:
12015 case WhiteASideCastleFR:
12016 case BlackHSideCastleFR:
12017 case BlackASideCastleFR:
12019 if (appData.debugMode)
12020 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12021 fromX = currentMoveString[0] - AAA;
12022 fromY = currentMoveString[1] - ONE;
12023 toX = currentMoveString[2] - AAA;
12024 toY = currentMoveString[3] - ONE;
12025 promoChar = currentMoveString[4];
12026 if(promoChar == ';') promoChar = NULLCHAR;
12031 if (appData.debugMode)
12032 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12033 fromX = moveType == WhiteDrop ?
12034 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12035 (int) CharToPiece(ToLower(currentMoveString[0]));
12037 toX = currentMoveString[2] - AAA;
12038 toY = currentMoveString[3] - ONE;
12044 case GameUnfinished:
12045 if (appData.debugMode)
12046 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12047 p = strchr(yy_text, '{');
12048 if (p == NULL) p = strchr(yy_text, '(');
12051 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12053 q = strchr(p, *p == '{' ? '}' : ')');
12054 if (q != NULL) *q = NULLCHAR;
12057 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12058 GameEnds(moveType, p, GE_FILE);
12060 if (cmailMsgLoaded) {
12062 flipView = WhiteOnMove(currentMove);
12063 if (moveType == GameUnfinished) flipView = !flipView;
12064 if (appData.debugMode)
12065 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12070 if (appData.debugMode)
12071 fprintf(debugFP, "Parser hit end of file\n");
12072 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12078 if (WhiteOnMove(currentMove)) {
12079 GameEnds(BlackWins, "Black mates", GE_FILE);
12081 GameEnds(WhiteWins, "White mates", GE_FILE);
12085 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12091 case MoveNumberOne:
12092 if (lastLoadGameStart == GNUChessGame) {
12093 /* GNUChessGames have numbers, but they aren't move numbers */
12094 if (appData.debugMode)
12095 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12096 yy_text, (int) moveType);
12097 return LoadGameOneMove(EndOfFile); /* tail recursion */
12099 /* else fall thru */
12104 /* Reached start of next game in file */
12105 if (appData.debugMode)
12106 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12107 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12113 if (WhiteOnMove(currentMove)) {
12114 GameEnds(BlackWins, "Black mates", GE_FILE);
12116 GameEnds(WhiteWins, "White mates", GE_FILE);
12120 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12126 case PositionDiagram: /* should not happen; ignore */
12127 case ElapsedTime: /* ignore */
12128 case NAG: /* ignore */
12129 if (appData.debugMode)
12130 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12131 yy_text, (int) moveType);
12132 return LoadGameOneMove(EndOfFile); /* tail recursion */
12135 if (appData.testLegality) {
12136 if (appData.debugMode)
12137 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12138 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12139 (forwardMostMove / 2) + 1,
12140 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12141 DisplayError(move, 0);
12144 if (appData.debugMode)
12145 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12146 yy_text, currentMoveString);
12147 if(currentMoveString[1] == '@') {
12148 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12151 fromX = currentMoveString[0] - AAA;
12152 fromY = currentMoveString[1] - ONE;
12154 toX = currentMoveString[2] - AAA;
12155 toY = currentMoveString[3] - ONE;
12156 promoChar = currentMoveString[4];
12160 case AmbiguousMove:
12161 if (appData.debugMode)
12162 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12163 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12164 (forwardMostMove / 2) + 1,
12165 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12166 DisplayError(move, 0);
12171 case ImpossibleMove:
12172 if (appData.debugMode)
12173 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12174 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12175 (forwardMostMove / 2) + 1,
12176 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12177 DisplayError(move, 0);
12183 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12184 DrawPosition(FALSE, boards[currentMove]);
12185 DisplayBothClocks();
12186 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12187 DisplayComment(currentMove - 1, commentList[currentMove]);
12189 (void) StopLoadGameTimer();
12191 cmailOldMove = forwardMostMove;
12194 /* currentMoveString is set as a side-effect of yylex */
12196 thinkOutput[0] = NULLCHAR;
12197 MakeMove(fromX, fromY, toX, toY, promoChar);
12198 killX = killY = -1; // [HGM] lion: used up
12199 currentMove = forwardMostMove;
12204 /* Load the nth game from the given file */
12206 LoadGameFromFile (char *filename, int n, char *title, int useList)
12211 if (strcmp(filename, "-") == 0) {
12215 f = fopen(filename, "rb");
12217 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12218 DisplayError(buf, errno);
12222 if (fseek(f, 0, 0) == -1) {
12223 /* f is not seekable; probably a pipe */
12226 if (useList && n == 0) {
12227 int error = GameListBuild(f);
12229 DisplayError(_("Cannot build game list"), error);
12230 } else if (!ListEmpty(&gameList) &&
12231 ((ListGame *) gameList.tailPred)->number > 1) {
12232 GameListPopUp(f, title);
12239 return LoadGame(f, n, title, FALSE);
12244 MakeRegisteredMove ()
12246 int fromX, fromY, toX, toY;
12248 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12249 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12252 if (appData.debugMode)
12253 fprintf(debugFP, "Restoring %s for game %d\n",
12254 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12256 thinkOutput[0] = NULLCHAR;
12257 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12258 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12259 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12260 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12261 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12262 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12263 MakeMove(fromX, fromY, toX, toY, promoChar);
12264 ShowMove(fromX, fromY, toX, toY);
12266 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12273 if (WhiteOnMove(currentMove)) {
12274 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12276 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12281 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12288 if (WhiteOnMove(currentMove)) {
12289 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12291 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12296 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12307 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12309 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12313 if (gameNumber > nCmailGames) {
12314 DisplayError(_("No more games in this message"), 0);
12317 if (f == lastLoadGameFP) {
12318 int offset = gameNumber - lastLoadGameNumber;
12320 cmailMsg[0] = NULLCHAR;
12321 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12322 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12323 nCmailMovesRegistered--;
12325 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12326 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12327 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12330 if (! RegisterMove()) return FALSE;
12334 retVal = LoadGame(f, gameNumber, title, useList);
12336 /* Make move registered during previous look at this game, if any */
12337 MakeRegisteredMove();
12339 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12340 commentList[currentMove]
12341 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12342 DisplayComment(currentMove - 1, commentList[currentMove]);
12348 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12350 ReloadGame (int offset)
12352 int gameNumber = lastLoadGameNumber + offset;
12353 if (lastLoadGameFP == NULL) {
12354 DisplayError(_("No game has been loaded yet"), 0);
12357 if (gameNumber <= 0) {
12358 DisplayError(_("Can't back up any further"), 0);
12361 if (cmailMsgLoaded) {
12362 return CmailLoadGame(lastLoadGameFP, gameNumber,
12363 lastLoadGameTitle, lastLoadGameUseList);
12365 return LoadGame(lastLoadGameFP, gameNumber,
12366 lastLoadGameTitle, lastLoadGameUseList);
12370 int keys[EmptySquare+1];
12373 PositionMatches (Board b1, Board b2)
12376 switch(appData.searchMode) {
12377 case 1: return CompareWithRights(b1, b2);
12379 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12380 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12384 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12385 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12386 sum += keys[b1[r][f]] - keys[b2[r][f]];
12390 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12391 sum += keys[b1[r][f]] - keys[b2[r][f]];
12403 int pieceList[256], quickBoard[256];
12404 ChessSquare pieceType[256] = { EmptySquare };
12405 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12406 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12407 int soughtTotal, turn;
12408 Boolean epOK, flipSearch;
12411 unsigned char piece, to;
12414 #define DSIZE (250000)
12416 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12417 Move *moveDatabase = initialSpace;
12418 unsigned int movePtr, dataSize = DSIZE;
12421 MakePieceList (Board board, int *counts)
12423 int r, f, n=Q_PROMO, total=0;
12424 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12425 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12426 int sq = f + (r<<4);
12427 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12428 quickBoard[sq] = ++n;
12430 pieceType[n] = board[r][f];
12431 counts[board[r][f]]++;
12432 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12433 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12437 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12442 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12444 int sq = fromX + (fromY<<4);
12445 int piece = quickBoard[sq], rook;
12446 quickBoard[sq] = 0;
12447 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12448 if(piece == pieceList[1] && fromY == toY) {
12449 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12450 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12451 moveDatabase[movePtr++].piece = Q_WCASTL;
12452 quickBoard[sq] = piece;
12453 piece = quickBoard[from]; quickBoard[from] = 0;
12454 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12455 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12456 quickBoard[sq] = 0; // remove Rook
12457 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12458 moveDatabase[movePtr++].piece = Q_WCASTL;
12459 quickBoard[sq] = pieceList[1]; // put King
12461 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12464 if(piece == pieceList[2] && fromY == toY) {
12465 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12466 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12467 moveDatabase[movePtr++].piece = Q_BCASTL;
12468 quickBoard[sq] = piece;
12469 piece = quickBoard[from]; quickBoard[from] = 0;
12470 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12471 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12472 quickBoard[sq] = 0; // remove Rook
12473 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12474 moveDatabase[movePtr++].piece = Q_BCASTL;
12475 quickBoard[sq] = pieceList[2]; // put King
12477 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12480 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12481 quickBoard[(fromY<<4)+toX] = 0;
12482 moveDatabase[movePtr].piece = Q_EP;
12483 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12484 moveDatabase[movePtr].to = sq;
12486 if(promoPiece != pieceType[piece]) {
12487 moveDatabase[movePtr++].piece = Q_PROMO;
12488 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12490 moveDatabase[movePtr].piece = piece;
12491 quickBoard[sq] = piece;
12496 PackGame (Board board)
12498 Move *newSpace = NULL;
12499 moveDatabase[movePtr].piece = 0; // terminate previous game
12500 if(movePtr > dataSize) {
12501 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12502 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12503 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12506 Move *p = moveDatabase, *q = newSpace;
12507 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12508 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12509 moveDatabase = newSpace;
12510 } else { // calloc failed, we must be out of memory. Too bad...
12511 dataSize = 0; // prevent calloc events for all subsequent games
12512 return 0; // and signal this one isn't cached
12516 MakePieceList(board, counts);
12521 QuickCompare (Board board, int *minCounts, int *maxCounts)
12522 { // compare according to search mode
12524 switch(appData.searchMode)
12526 case 1: // exact position match
12527 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12528 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12529 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12532 case 2: // can have extra material on empty squares
12533 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12534 if(board[r][f] == EmptySquare) continue;
12535 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12538 case 3: // material with exact Pawn structure
12539 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12540 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12541 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12542 } // fall through to material comparison
12543 case 4: // exact material
12544 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12546 case 6: // material range with given imbalance
12547 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12548 // fall through to range comparison
12549 case 5: // material range
12550 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12556 QuickScan (Board board, Move *move)
12557 { // reconstruct game,and compare all positions in it
12558 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12560 int piece = move->piece;
12561 int to = move->to, from = pieceList[piece];
12562 if(found < 0) { // if already found just scan to game end for final piece count
12563 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12564 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12565 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12566 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12568 static int lastCounts[EmptySquare+1];
12570 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12571 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12572 } else stretch = 0;
12573 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12574 if(found >= 0 && !appData.minPieces) return found;
12576 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12577 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12578 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12579 piece = (++move)->piece;
12580 from = pieceList[piece];
12581 counts[pieceType[piece]]--;
12582 pieceType[piece] = (ChessSquare) move->to;
12583 counts[move->to]++;
12584 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12585 counts[pieceType[quickBoard[to]]]--;
12586 quickBoard[to] = 0; total--;
12589 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12590 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12591 from = pieceList[piece]; // so this must be King
12592 quickBoard[from] = 0;
12593 pieceList[piece] = to;
12594 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12595 quickBoard[from] = 0; // rook
12596 quickBoard[to] = piece;
12597 to = move->to; piece = move->piece;
12601 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12602 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12603 quickBoard[from] = 0;
12605 quickBoard[to] = piece;
12606 pieceList[piece] = to;
12616 flipSearch = FALSE;
12617 CopyBoard(soughtBoard, boards[currentMove]);
12618 soughtTotal = MakePieceList(soughtBoard, maxSought);
12619 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12620 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12621 CopyBoard(reverseBoard, boards[currentMove]);
12622 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12623 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12624 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12625 reverseBoard[r][f] = piece;
12627 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12628 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12629 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12630 || (boards[currentMove][CASTLING][2] == NoRights ||
12631 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12632 && (boards[currentMove][CASTLING][5] == NoRights ||
12633 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12636 CopyBoard(flipBoard, soughtBoard);
12637 CopyBoard(rotateBoard, reverseBoard);
12638 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12639 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12640 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12643 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12644 if(appData.searchMode >= 5) {
12645 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12646 MakePieceList(soughtBoard, minSought);
12647 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12649 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12650 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12653 GameInfo dummyInfo;
12654 static int creatingBook;
12657 GameContainsPosition (FILE *f, ListGame *lg)
12659 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12660 int fromX, fromY, toX, toY;
12662 static int initDone=FALSE;
12664 // weed out games based on numerical tag comparison
12665 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12666 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12667 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12668 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12670 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12673 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12674 else CopyBoard(boards[scratch], initialPosition); // default start position
12677 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12678 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12681 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12682 fseek(f, lg->offset, 0);
12685 yyboardindex = scratch;
12686 quickFlag = plyNr+1;
12691 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12697 if(plyNr) return -1; // after we have seen moves, this is for new game
12700 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12701 case ImpossibleMove:
12702 case WhiteWins: // game ends here with these four
12705 case GameUnfinished:
12709 if(appData.testLegality) return -1;
12710 case WhiteCapturesEnPassant:
12711 case BlackCapturesEnPassant:
12712 case WhitePromotion:
12713 case BlackPromotion:
12714 case WhiteNonPromotion:
12715 case BlackNonPromotion:
12718 case WhiteKingSideCastle:
12719 case WhiteQueenSideCastle:
12720 case BlackKingSideCastle:
12721 case BlackQueenSideCastle:
12722 case WhiteKingSideCastleWild:
12723 case WhiteQueenSideCastleWild:
12724 case BlackKingSideCastleWild:
12725 case BlackQueenSideCastleWild:
12726 case WhiteHSideCastleFR:
12727 case WhiteASideCastleFR:
12728 case BlackHSideCastleFR:
12729 case BlackASideCastleFR:
12730 fromX = currentMoveString[0] - AAA;
12731 fromY = currentMoveString[1] - ONE;
12732 toX = currentMoveString[2] - AAA;
12733 toY = currentMoveString[3] - ONE;
12734 promoChar = currentMoveString[4];
12738 fromX = next == WhiteDrop ?
12739 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12740 (int) CharToPiece(ToLower(currentMoveString[0]));
12742 toX = currentMoveString[2] - AAA;
12743 toY = currentMoveString[3] - ONE;
12747 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12749 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12750 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12751 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12752 if(appData.findMirror) {
12753 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12754 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12759 /* Load the nth game from open file f */
12761 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12765 int gn = gameNumber;
12766 ListGame *lg = NULL;
12767 int numPGNTags = 0;
12769 GameMode oldGameMode;
12770 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12771 char oldName[MSG_SIZ];
12773 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12775 if (appData.debugMode)
12776 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12778 if (gameMode == Training )
12779 SetTrainingModeOff();
12781 oldGameMode = gameMode;
12782 if (gameMode != BeginningOfGame) {
12783 Reset(FALSE, TRUE);
12785 killX = killY = -1; // [HGM] lion: in case we did not Reset
12788 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12789 fclose(lastLoadGameFP);
12793 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12796 fseek(f, lg->offset, 0);
12797 GameListHighlight(gameNumber);
12798 pos = lg->position;
12802 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12803 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12805 DisplayError(_("Game number out of range"), 0);
12810 if (fseek(f, 0, 0) == -1) {
12811 if (f == lastLoadGameFP ?
12812 gameNumber == lastLoadGameNumber + 1 :
12816 DisplayError(_("Can't seek on game file"), 0);
12821 lastLoadGameFP = f;
12822 lastLoadGameNumber = gameNumber;
12823 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12824 lastLoadGameUseList = useList;
12828 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12829 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12830 lg->gameInfo.black);
12832 } else if (*title != NULLCHAR) {
12833 if (gameNumber > 1) {
12834 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12837 DisplayTitle(title);
12841 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12842 gameMode = PlayFromGameFile;
12846 currentMove = forwardMostMove = backwardMostMove = 0;
12847 CopyBoard(boards[0], initialPosition);
12851 * Skip the first gn-1 games in the file.
12852 * Also skip over anything that precedes an identifiable
12853 * start of game marker, to avoid being confused by
12854 * garbage at the start of the file. Currently
12855 * recognized start of game markers are the move number "1",
12856 * the pattern "gnuchess .* game", the pattern
12857 * "^[#;%] [^ ]* game file", and a PGN tag block.
12858 * A game that starts with one of the latter two patterns
12859 * will also have a move number 1, possibly
12860 * following a position diagram.
12861 * 5-4-02: Let's try being more lenient and allowing a game to
12862 * start with an unnumbered move. Does that break anything?
12864 cm = lastLoadGameStart = EndOfFile;
12866 yyboardindex = forwardMostMove;
12867 cm = (ChessMove) Myylex();
12870 if (cmailMsgLoaded) {
12871 nCmailGames = CMAIL_MAX_GAMES - gn;
12874 DisplayError(_("Game not found in file"), 0);
12881 lastLoadGameStart = cm;
12884 case MoveNumberOne:
12885 switch (lastLoadGameStart) {
12890 case MoveNumberOne:
12892 gn--; /* count this game */
12893 lastLoadGameStart = cm;
12902 switch (lastLoadGameStart) {
12905 case MoveNumberOne:
12907 gn--; /* count this game */
12908 lastLoadGameStart = cm;
12911 lastLoadGameStart = cm; /* game counted already */
12919 yyboardindex = forwardMostMove;
12920 cm = (ChessMove) Myylex();
12921 } while (cm == PGNTag || cm == Comment);
12928 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12929 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12930 != CMAIL_OLD_RESULT) {
12932 cmailResult[ CMAIL_MAX_GAMES
12933 - gn - 1] = CMAIL_OLD_RESULT;
12940 /* Only a NormalMove can be at the start of a game
12941 * without a position diagram. */
12942 if (lastLoadGameStart == EndOfFile ) {
12944 lastLoadGameStart = MoveNumberOne;
12953 if (appData.debugMode)
12954 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12956 if (cm == XBoardGame) {
12957 /* Skip any header junk before position diagram and/or move 1 */
12959 yyboardindex = forwardMostMove;
12960 cm = (ChessMove) Myylex();
12962 if (cm == EndOfFile ||
12963 cm == GNUChessGame || cm == XBoardGame) {
12964 /* Empty game; pretend end-of-file and handle later */
12969 if (cm == MoveNumberOne || cm == PositionDiagram ||
12970 cm == PGNTag || cm == Comment)
12973 } else if (cm == GNUChessGame) {
12974 if (gameInfo.event != NULL) {
12975 free(gameInfo.event);
12977 gameInfo.event = StrSave(yy_text);
12980 startedFromSetupPosition = FALSE;
12981 while (cm == PGNTag) {
12982 if (appData.debugMode)
12983 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12984 err = ParsePGNTag(yy_text, &gameInfo);
12985 if (!err) numPGNTags++;
12987 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12988 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
12989 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12990 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12991 InitPosition(TRUE);
12992 oldVariant = gameInfo.variant;
12993 if (appData.debugMode)
12994 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12998 if (gameInfo.fen != NULL) {
12999 Board initial_position;
13000 startedFromSetupPosition = TRUE;
13001 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13003 DisplayError(_("Bad FEN position in file"), 0);
13006 CopyBoard(boards[0], initial_position);
13007 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13008 CopyBoard(initialPosition, initial_position);
13009 if (blackPlaysFirst) {
13010 currentMove = forwardMostMove = backwardMostMove = 1;
13011 CopyBoard(boards[1], initial_position);
13012 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13013 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13014 timeRemaining[0][1] = whiteTimeRemaining;
13015 timeRemaining[1][1] = blackTimeRemaining;
13016 if (commentList[0] != NULL) {
13017 commentList[1] = commentList[0];
13018 commentList[0] = NULL;
13021 currentMove = forwardMostMove = backwardMostMove = 0;
13023 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13025 initialRulePlies = FENrulePlies;
13026 for( i=0; i< nrCastlingRights; i++ )
13027 initialRights[i] = initial_position[CASTLING][i];
13029 yyboardindex = forwardMostMove;
13030 free(gameInfo.fen);
13031 gameInfo.fen = NULL;
13034 yyboardindex = forwardMostMove;
13035 cm = (ChessMove) Myylex();
13037 /* Handle comments interspersed among the tags */
13038 while (cm == Comment) {
13040 if (appData.debugMode)
13041 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13043 AppendComment(currentMove, p, FALSE);
13044 yyboardindex = forwardMostMove;
13045 cm = (ChessMove) Myylex();
13049 /* don't rely on existence of Event tag since if game was
13050 * pasted from clipboard the Event tag may not exist
13052 if (numPGNTags > 0){
13054 if (gameInfo.variant == VariantNormal) {
13055 VariantClass v = StringToVariant(gameInfo.event);
13056 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13057 if(v < VariantShogi) gameInfo.variant = v;
13060 if( appData.autoDisplayTags ) {
13061 tags = PGNTags(&gameInfo);
13062 TagsPopUp(tags, CmailMsg());
13067 /* Make something up, but don't display it now */
13072 if (cm == PositionDiagram) {
13075 Board initial_position;
13077 if (appData.debugMode)
13078 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13080 if (!startedFromSetupPosition) {
13082 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13083 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13094 initial_position[i][j++] = CharToPiece(*p);
13097 while (*p == ' ' || *p == '\t' ||
13098 *p == '\n' || *p == '\r') p++;
13100 if (strncmp(p, "black", strlen("black"))==0)
13101 blackPlaysFirst = TRUE;
13103 blackPlaysFirst = FALSE;
13104 startedFromSetupPosition = TRUE;
13106 CopyBoard(boards[0], initial_position);
13107 if (blackPlaysFirst) {
13108 currentMove = forwardMostMove = backwardMostMove = 1;
13109 CopyBoard(boards[1], initial_position);
13110 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13111 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13112 timeRemaining[0][1] = whiteTimeRemaining;
13113 timeRemaining[1][1] = blackTimeRemaining;
13114 if (commentList[0] != NULL) {
13115 commentList[1] = commentList[0];
13116 commentList[0] = NULL;
13119 currentMove = forwardMostMove = backwardMostMove = 0;
13122 yyboardindex = forwardMostMove;
13123 cm = (ChessMove) Myylex();
13126 if(!creatingBook) {
13127 if (first.pr == NoProc) {
13128 StartChessProgram(&first);
13130 InitChessProgram(&first, FALSE);
13131 if(gameInfo.variant == VariantUnknown && *oldName) {
13132 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13133 gameInfo.variant = v;
13135 SendToProgram("force\n", &first);
13136 if (startedFromSetupPosition) {
13137 SendBoard(&first, forwardMostMove);
13138 if (appData.debugMode) {
13139 fprintf(debugFP, "Load Game\n");
13141 DisplayBothClocks();
13145 /* [HGM] server: flag to write setup moves in broadcast file as one */
13146 loadFlag = appData.suppressLoadMoves;
13148 while (cm == Comment) {
13150 if (appData.debugMode)
13151 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13153 AppendComment(currentMove, p, FALSE);
13154 yyboardindex = forwardMostMove;
13155 cm = (ChessMove) Myylex();
13158 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13159 cm == WhiteWins || cm == BlackWins ||
13160 cm == GameIsDrawn || cm == GameUnfinished) {
13161 DisplayMessage("", _("No moves in game"));
13162 if (cmailMsgLoaded) {
13163 if (appData.debugMode)
13164 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13168 DrawPosition(FALSE, boards[currentMove]);
13169 DisplayBothClocks();
13170 gameMode = EditGame;
13177 // [HGM] PV info: routine tests if comment empty
13178 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13179 DisplayComment(currentMove - 1, commentList[currentMove]);
13181 if (!matchMode && appData.timeDelay != 0)
13182 DrawPosition(FALSE, boards[currentMove]);
13184 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13185 programStats.ok_to_send = 1;
13188 /* if the first token after the PGN tags is a move
13189 * and not move number 1, retrieve it from the parser
13191 if (cm != MoveNumberOne)
13192 LoadGameOneMove(cm);
13194 /* load the remaining moves from the file */
13195 while (LoadGameOneMove(EndOfFile)) {
13196 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13197 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13200 /* rewind to the start of the game */
13201 currentMove = backwardMostMove;
13203 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13205 if (oldGameMode == AnalyzeFile) {
13206 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13207 AnalyzeFileEvent();
13209 if (oldGameMode == AnalyzeMode) {
13210 AnalyzeFileEvent();
13213 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13214 long int w, b; // [HGM] adjourn: restore saved clock times
13215 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13216 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13217 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13218 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13222 if(creatingBook) return TRUE;
13223 if (!matchMode && pos > 0) {
13224 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13226 if (matchMode || appData.timeDelay == 0) {
13228 } else if (appData.timeDelay > 0) {
13229 AutoPlayGameLoop();
13232 if (appData.debugMode)
13233 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13235 loadFlag = 0; /* [HGM] true game starts */
13239 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13241 ReloadPosition (int offset)
13243 int positionNumber = lastLoadPositionNumber + offset;
13244 if (lastLoadPositionFP == NULL) {
13245 DisplayError(_("No position has been loaded yet"), 0);
13248 if (positionNumber <= 0) {
13249 DisplayError(_("Can't back up any further"), 0);
13252 return LoadPosition(lastLoadPositionFP, positionNumber,
13253 lastLoadPositionTitle);
13256 /* Load the nth position from the given file */
13258 LoadPositionFromFile (char *filename, int n, char *title)
13263 if (strcmp(filename, "-") == 0) {
13264 return LoadPosition(stdin, n, "stdin");
13266 f = fopen(filename, "rb");
13268 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13269 DisplayError(buf, errno);
13272 return LoadPosition(f, n, title);
13277 /* Load the nth position from the given open file, and close it */
13279 LoadPosition (FILE *f, int positionNumber, char *title)
13281 char *p, line[MSG_SIZ];
13282 Board initial_position;
13283 int i, j, fenMode, pn;
13285 if (gameMode == Training )
13286 SetTrainingModeOff();
13288 if (gameMode != BeginningOfGame) {
13289 Reset(FALSE, TRUE);
13291 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13292 fclose(lastLoadPositionFP);
13294 if (positionNumber == 0) positionNumber = 1;
13295 lastLoadPositionFP = f;
13296 lastLoadPositionNumber = positionNumber;
13297 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13298 if (first.pr == NoProc && !appData.noChessProgram) {
13299 StartChessProgram(&first);
13300 InitChessProgram(&first, FALSE);
13302 pn = positionNumber;
13303 if (positionNumber < 0) {
13304 /* Negative position number means to seek to that byte offset */
13305 if (fseek(f, -positionNumber, 0) == -1) {
13306 DisplayError(_("Can't seek on position file"), 0);
13311 if (fseek(f, 0, 0) == -1) {
13312 if (f == lastLoadPositionFP ?
13313 positionNumber == lastLoadPositionNumber + 1 :
13314 positionNumber == 1) {
13317 DisplayError(_("Can't seek on position file"), 0);
13322 /* See if this file is FEN or old-style xboard */
13323 if (fgets(line, MSG_SIZ, f) == NULL) {
13324 DisplayError(_("Position not found in file"), 0);
13327 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13328 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13331 if (fenMode || line[0] == '#') pn--;
13333 /* skip positions before number pn */
13334 if (fgets(line, MSG_SIZ, f) == NULL) {
13336 DisplayError(_("Position not found in file"), 0);
13339 if (fenMode || line[0] == '#') pn--;
13345 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13346 DisplayError(_("Bad FEN position in file"), 0);
13349 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13350 sscanf(p+3, "%s", bestMove);
13351 } else *bestMove = NULLCHAR;
13353 (void) fgets(line, MSG_SIZ, f);
13354 (void) fgets(line, MSG_SIZ, f);
13356 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13357 (void) fgets(line, MSG_SIZ, f);
13358 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13361 initial_position[i][j++] = CharToPiece(*p);
13365 blackPlaysFirst = FALSE;
13367 (void) fgets(line, MSG_SIZ, f);
13368 if (strncmp(line, "black", strlen("black"))==0)
13369 blackPlaysFirst = TRUE;
13372 startedFromSetupPosition = TRUE;
13374 CopyBoard(boards[0], initial_position);
13375 if (blackPlaysFirst) {
13376 currentMove = forwardMostMove = backwardMostMove = 1;
13377 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13378 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13379 CopyBoard(boards[1], initial_position);
13380 DisplayMessage("", _("Black to play"));
13382 currentMove = forwardMostMove = backwardMostMove = 0;
13383 DisplayMessage("", _("White to play"));
13385 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13386 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13387 SendToProgram("force\n", &first);
13388 SendBoard(&first, forwardMostMove);
13390 if (appData.debugMode) {
13392 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13393 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13394 fprintf(debugFP, "Load Position\n");
13397 if (positionNumber > 1) {
13398 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13399 DisplayTitle(line);
13401 DisplayTitle(title);
13403 gameMode = EditGame;
13406 timeRemaining[0][1] = whiteTimeRemaining;
13407 timeRemaining[1][1] = blackTimeRemaining;
13408 DrawPosition(FALSE, boards[currentMove]);
13415 CopyPlayerNameIntoFileName (char **dest, char *src)
13417 while (*src != NULLCHAR && *src != ',') {
13422 *(*dest)++ = *src++;
13428 DefaultFileName (char *ext)
13430 static char def[MSG_SIZ];
13433 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13435 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13437 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13439 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13446 /* Save the current game to the given file */
13448 SaveGameToFile (char *filename, int append)
13452 int result, i, t,tot=0;
13454 if (strcmp(filename, "-") == 0) {
13455 return SaveGame(stdout, 0, NULL);
13457 for(i=0; i<10; i++) { // upto 10 tries
13458 f = fopen(filename, append ? "a" : "w");
13459 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13460 if(f || errno != 13) break;
13461 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13465 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13466 DisplayError(buf, errno);
13469 safeStrCpy(buf, lastMsg, MSG_SIZ);
13470 DisplayMessage(_("Waiting for access to save file"), "");
13471 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13472 DisplayMessage(_("Saving game"), "");
13473 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13474 result = SaveGame(f, 0, NULL);
13475 DisplayMessage(buf, "");
13482 SavePart (char *str)
13484 static char buf[MSG_SIZ];
13487 p = strchr(str, ' ');
13488 if (p == NULL) return str;
13489 strncpy(buf, str, p - str);
13490 buf[p - str] = NULLCHAR;
13494 #define PGN_MAX_LINE 75
13496 #define PGN_SIDE_WHITE 0
13497 #define PGN_SIDE_BLACK 1
13500 FindFirstMoveOutOfBook (int side)
13504 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13505 int index = backwardMostMove;
13506 int has_book_hit = 0;
13508 if( (index % 2) != side ) {
13512 while( index < forwardMostMove ) {
13513 /* Check to see if engine is in book */
13514 int depth = pvInfoList[index].depth;
13515 int score = pvInfoList[index].score;
13521 else if( score == 0 && depth == 63 ) {
13522 in_book = 1; /* Zappa */
13524 else if( score == 2 && depth == 99 ) {
13525 in_book = 1; /* Abrok */
13528 has_book_hit += in_book;
13544 GetOutOfBookInfo (char * buf)
13548 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13550 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13551 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13555 if( oob[0] >= 0 || oob[1] >= 0 ) {
13556 for( i=0; i<2; i++ ) {
13560 if( i > 0 && oob[0] >= 0 ) {
13561 strcat( buf, " " );
13564 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13565 sprintf( buf+strlen(buf), "%s%.2f",
13566 pvInfoList[idx].score >= 0 ? "+" : "",
13567 pvInfoList[idx].score / 100.0 );
13573 /* Save game in PGN style */
13575 SaveGamePGN2 (FILE *f)
13577 int i, offset, linelen, newblock;
13580 int movelen, numlen, blank;
13581 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13583 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13585 PrintPGNTags(f, &gameInfo);
13587 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13589 if (backwardMostMove > 0 || startedFromSetupPosition) {
13590 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13591 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13592 fprintf(f, "\n{--------------\n");
13593 PrintPosition(f, backwardMostMove);
13594 fprintf(f, "--------------}\n");
13598 /* [AS] Out of book annotation */
13599 if( appData.saveOutOfBookInfo ) {
13602 GetOutOfBookInfo( buf );
13604 if( buf[0] != '\0' ) {
13605 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13612 i = backwardMostMove;
13616 while (i < forwardMostMove) {
13617 /* Print comments preceding this move */
13618 if (commentList[i] != NULL) {
13619 if (linelen > 0) fprintf(f, "\n");
13620 fprintf(f, "%s", commentList[i]);
13625 /* Format move number */
13627 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13630 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13632 numtext[0] = NULLCHAR;
13634 numlen = strlen(numtext);
13637 /* Print move number */
13638 blank = linelen > 0 && numlen > 0;
13639 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13648 fprintf(f, "%s", numtext);
13652 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13653 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13656 blank = linelen > 0 && movelen > 0;
13657 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13666 fprintf(f, "%s", move_buffer);
13667 linelen += movelen;
13669 /* [AS] Add PV info if present */
13670 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13671 /* [HGM] add time */
13672 char buf[MSG_SIZ]; int seconds;
13674 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13680 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13683 seconds = (seconds + 4)/10; // round to full seconds
13685 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13687 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13690 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13691 pvInfoList[i].score >= 0 ? "+" : "",
13692 pvInfoList[i].score / 100.0,
13693 pvInfoList[i].depth,
13696 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13698 /* Print score/depth */
13699 blank = linelen > 0 && movelen > 0;
13700 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13709 fprintf(f, "%s", move_buffer);
13710 linelen += movelen;
13716 /* Start a new line */
13717 if (linelen > 0) fprintf(f, "\n");
13719 /* Print comments after last move */
13720 if (commentList[i] != NULL) {
13721 fprintf(f, "%s\n", commentList[i]);
13725 if (gameInfo.resultDetails != NULL &&
13726 gameInfo.resultDetails[0] != NULLCHAR) {
13727 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13728 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13729 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13730 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13731 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13733 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13737 /* Save game in PGN style and close the file */
13739 SaveGamePGN (FILE *f)
13743 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13747 /* Save game in old style and close the file */
13749 SaveGameOldStyle (FILE *f)
13754 tm = time((time_t *) NULL);
13756 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13759 if (backwardMostMove > 0 || startedFromSetupPosition) {
13760 fprintf(f, "\n[--------------\n");
13761 PrintPosition(f, backwardMostMove);
13762 fprintf(f, "--------------]\n");
13767 i = backwardMostMove;
13768 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13770 while (i < forwardMostMove) {
13771 if (commentList[i] != NULL) {
13772 fprintf(f, "[%s]\n", commentList[i]);
13775 if ((i % 2) == 1) {
13776 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13779 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13781 if (commentList[i] != NULL) {
13785 if (i >= forwardMostMove) {
13789 fprintf(f, "%s\n", parseList[i]);
13794 if (commentList[i] != NULL) {
13795 fprintf(f, "[%s]\n", commentList[i]);
13798 /* This isn't really the old style, but it's close enough */
13799 if (gameInfo.resultDetails != NULL &&
13800 gameInfo.resultDetails[0] != NULLCHAR) {
13801 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13802 gameInfo.resultDetails);
13804 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13811 /* Save the current game to open file f and close the file */
13813 SaveGame (FILE *f, int dummy, char *dummy2)
13815 if (gameMode == EditPosition) EditPositionDone(TRUE);
13816 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13817 if (appData.oldSaveStyle)
13818 return SaveGameOldStyle(f);
13820 return SaveGamePGN(f);
13823 /* Save the current position to the given file */
13825 SavePositionToFile (char *filename)
13830 if (strcmp(filename, "-") == 0) {
13831 return SavePosition(stdout, 0, NULL);
13833 f = fopen(filename, "a");
13835 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13836 DisplayError(buf, errno);
13839 safeStrCpy(buf, lastMsg, MSG_SIZ);
13840 DisplayMessage(_("Waiting for access to save file"), "");
13841 flock(fileno(f), LOCK_EX); // [HGM] lock
13842 DisplayMessage(_("Saving position"), "");
13843 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13844 SavePosition(f, 0, NULL);
13845 DisplayMessage(buf, "");
13851 /* Save the current position to the given open file and close the file */
13853 SavePosition (FILE *f, int dummy, char *dummy2)
13858 if (gameMode == EditPosition) EditPositionDone(TRUE);
13859 if (appData.oldSaveStyle) {
13860 tm = time((time_t *) NULL);
13862 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13864 fprintf(f, "[--------------\n");
13865 PrintPosition(f, currentMove);
13866 fprintf(f, "--------------]\n");
13868 fen = PositionToFEN(currentMove, NULL, 1);
13869 fprintf(f, "%s\n", fen);
13877 ReloadCmailMsgEvent (int unregister)
13880 static char *inFilename = NULL;
13881 static char *outFilename;
13883 struct stat inbuf, outbuf;
13886 /* Any registered moves are unregistered if unregister is set, */
13887 /* i.e. invoked by the signal handler */
13889 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13890 cmailMoveRegistered[i] = FALSE;
13891 if (cmailCommentList[i] != NULL) {
13892 free(cmailCommentList[i]);
13893 cmailCommentList[i] = NULL;
13896 nCmailMovesRegistered = 0;
13899 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13900 cmailResult[i] = CMAIL_NOT_RESULT;
13904 if (inFilename == NULL) {
13905 /* Because the filenames are static they only get malloced once */
13906 /* and they never get freed */
13907 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13908 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13910 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13911 sprintf(outFilename, "%s.out", appData.cmailGameName);
13914 status = stat(outFilename, &outbuf);
13916 cmailMailedMove = FALSE;
13918 status = stat(inFilename, &inbuf);
13919 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13922 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13923 counts the games, notes how each one terminated, etc.
13925 It would be nice to remove this kludge and instead gather all
13926 the information while building the game list. (And to keep it
13927 in the game list nodes instead of having a bunch of fixed-size
13928 parallel arrays.) Note this will require getting each game's
13929 termination from the PGN tags, as the game list builder does
13930 not process the game moves. --mann
13932 cmailMsgLoaded = TRUE;
13933 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13935 /* Load first game in the file or popup game menu */
13936 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13938 #endif /* !WIN32 */
13946 char string[MSG_SIZ];
13948 if ( cmailMailedMove
13949 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13950 return TRUE; /* Allow free viewing */
13953 /* Unregister move to ensure that we don't leave RegisterMove */
13954 /* with the move registered when the conditions for registering no */
13956 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13957 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13958 nCmailMovesRegistered --;
13960 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13962 free(cmailCommentList[lastLoadGameNumber - 1]);
13963 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13967 if (cmailOldMove == -1) {
13968 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13972 if (currentMove > cmailOldMove + 1) {
13973 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13977 if (currentMove < cmailOldMove) {
13978 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13982 if (forwardMostMove > currentMove) {
13983 /* Silently truncate extra moves */
13987 if ( (currentMove == cmailOldMove + 1)
13988 || ( (currentMove == cmailOldMove)
13989 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13990 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13991 if (gameInfo.result != GameUnfinished) {
13992 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13995 if (commentList[currentMove] != NULL) {
13996 cmailCommentList[lastLoadGameNumber - 1]
13997 = StrSave(commentList[currentMove]);
13999 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14001 if (appData.debugMode)
14002 fprintf(debugFP, "Saving %s for game %d\n",
14003 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14005 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14007 f = fopen(string, "w");
14008 if (appData.oldSaveStyle) {
14009 SaveGameOldStyle(f); /* also closes the file */
14011 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14012 f = fopen(string, "w");
14013 SavePosition(f, 0, NULL); /* also closes the file */
14015 fprintf(f, "{--------------\n");
14016 PrintPosition(f, currentMove);
14017 fprintf(f, "--------------}\n\n");
14019 SaveGame(f, 0, NULL); /* also closes the file*/
14022 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14023 nCmailMovesRegistered ++;
14024 } else if (nCmailGames == 1) {
14025 DisplayError(_("You have not made a move yet"), 0);
14036 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14037 FILE *commandOutput;
14038 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14039 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14045 if (! cmailMsgLoaded) {
14046 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14050 if (nCmailGames == nCmailResults) {
14051 DisplayError(_("No unfinished games"), 0);
14055 #if CMAIL_PROHIBIT_REMAIL
14056 if (cmailMailedMove) {
14057 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);
14058 DisplayError(msg, 0);
14063 if (! (cmailMailedMove || RegisterMove())) return;
14065 if ( cmailMailedMove
14066 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14067 snprintf(string, MSG_SIZ, partCommandString,
14068 appData.debugMode ? " -v" : "", appData.cmailGameName);
14069 commandOutput = popen(string, "r");
14071 if (commandOutput == NULL) {
14072 DisplayError(_("Failed to invoke cmail"), 0);
14074 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14075 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14077 if (nBuffers > 1) {
14078 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14079 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14080 nBytes = MSG_SIZ - 1;
14082 (void) memcpy(msg, buffer, nBytes);
14084 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14086 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14087 cmailMailedMove = TRUE; /* Prevent >1 moves */
14090 for (i = 0; i < nCmailGames; i ++) {
14091 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14096 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14098 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14100 appData.cmailGameName,
14102 LoadGameFromFile(buffer, 1, buffer, FALSE);
14103 cmailMsgLoaded = FALSE;
14107 DisplayInformation(msg);
14108 pclose(commandOutput);
14111 if ((*cmailMsg) != '\0') {
14112 DisplayInformation(cmailMsg);
14117 #endif /* !WIN32 */
14126 int prependComma = 0;
14128 char string[MSG_SIZ]; /* Space for game-list */
14131 if (!cmailMsgLoaded) return "";
14133 if (cmailMailedMove) {
14134 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14136 /* Create a list of games left */
14137 snprintf(string, MSG_SIZ, "[");
14138 for (i = 0; i < nCmailGames; i ++) {
14139 if (! ( cmailMoveRegistered[i]
14140 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14141 if (prependComma) {
14142 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14144 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14148 strcat(string, number);
14151 strcat(string, "]");
14153 if (nCmailMovesRegistered + nCmailResults == 0) {
14154 switch (nCmailGames) {
14156 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14160 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14164 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14169 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14171 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14176 if (nCmailResults == nCmailGames) {
14177 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14179 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14184 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14196 if (gameMode == Training)
14197 SetTrainingModeOff();
14200 cmailMsgLoaded = FALSE;
14201 if (appData.icsActive) {
14202 SendToICS(ics_prefix);
14203 SendToICS("refresh\n");
14208 ExitEvent (int status)
14212 /* Give up on clean exit */
14216 /* Keep trying for clean exit */
14220 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14221 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14223 if (telnetISR != NULL) {
14224 RemoveInputSource(telnetISR);
14226 if (icsPR != NoProc) {
14227 DestroyChildProcess(icsPR, TRUE);
14230 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14231 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14233 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14234 /* make sure this other one finishes before killing it! */
14235 if(endingGame) { int count = 0;
14236 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14237 while(endingGame && count++ < 10) DoSleep(1);
14238 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14241 /* Kill off chess programs */
14242 if (first.pr != NoProc) {
14245 DoSleep( appData.delayBeforeQuit );
14246 SendToProgram("quit\n", &first);
14247 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14249 if (second.pr != NoProc) {
14250 DoSleep( appData.delayBeforeQuit );
14251 SendToProgram("quit\n", &second);
14252 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14254 if (first.isr != NULL) {
14255 RemoveInputSource(first.isr);
14257 if (second.isr != NULL) {
14258 RemoveInputSource(second.isr);
14261 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14262 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14264 ShutDownFrontEnd();
14269 PauseEngine (ChessProgramState *cps)
14271 SendToProgram("pause\n", cps);
14276 UnPauseEngine (ChessProgramState *cps)
14278 SendToProgram("resume\n", cps);
14285 if (appData.debugMode)
14286 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14290 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14292 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14293 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14294 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14296 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14297 HandleMachineMove(stashedInputMove, stalledEngine);
14298 stalledEngine = NULL;
14301 if (gameMode == MachinePlaysWhite ||
14302 gameMode == TwoMachinesPlay ||
14303 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14304 if(first.pause) UnPauseEngine(&first);
14305 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14306 if(second.pause) UnPauseEngine(&second);
14307 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14310 DisplayBothClocks();
14312 if (gameMode == PlayFromGameFile) {
14313 if (appData.timeDelay >= 0)
14314 AutoPlayGameLoop();
14315 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14316 Reset(FALSE, TRUE);
14317 SendToICS(ics_prefix);
14318 SendToICS("refresh\n");
14319 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14320 ForwardInner(forwardMostMove);
14322 pauseExamInvalid = FALSE;
14324 switch (gameMode) {
14328 pauseExamForwardMostMove = forwardMostMove;
14329 pauseExamInvalid = FALSE;
14332 case IcsPlayingWhite:
14333 case IcsPlayingBlack:
14337 case PlayFromGameFile:
14338 (void) StopLoadGameTimer();
14342 case BeginningOfGame:
14343 if (appData.icsActive) return;
14344 /* else fall through */
14345 case MachinePlaysWhite:
14346 case MachinePlaysBlack:
14347 case TwoMachinesPlay:
14348 if (forwardMostMove == 0)
14349 return; /* don't pause if no one has moved */
14350 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14351 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14352 if(onMove->pause) { // thinking engine can be paused
14353 PauseEngine(onMove); // do it
14354 if(onMove->other->pause) // pondering opponent can always be paused immediately
14355 PauseEngine(onMove->other);
14357 SendToProgram("easy\n", onMove->other);
14359 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14360 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14362 PauseEngine(&first);
14364 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14365 } else { // human on move, pause pondering by either method
14367 PauseEngine(&first);
14368 else if(appData.ponderNextMove)
14369 SendToProgram("easy\n", &first);
14372 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14382 EditCommentEvent ()
14384 char title[MSG_SIZ];
14386 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14387 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14389 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14390 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14391 parseList[currentMove - 1]);
14394 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14401 char *tags = PGNTags(&gameInfo);
14403 EditTagsPopUp(tags, NULL);
14410 if(second.analyzing) {
14411 SendToProgram("exit\n", &second);
14412 second.analyzing = FALSE;
14414 if (second.pr == NoProc) StartChessProgram(&second);
14415 InitChessProgram(&second, FALSE);
14416 FeedMovesToProgram(&second, currentMove);
14418 SendToProgram("analyze\n", &second);
14419 second.analyzing = TRUE;
14423 /* Toggle ShowThinking */
14425 ToggleShowThinking()
14427 appData.showThinking = !appData.showThinking;
14428 ShowThinkingEvent();
14432 AnalyzeModeEvent ()
14436 if (!first.analysisSupport) {
14437 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14438 DisplayError(buf, 0);
14441 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14442 if (appData.icsActive) {
14443 if (gameMode != IcsObserving) {
14444 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14445 DisplayError(buf, 0);
14447 if (appData.icsEngineAnalyze) {
14448 if (appData.debugMode)
14449 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14455 /* if enable, user wants to disable icsEngineAnalyze */
14456 if (appData.icsEngineAnalyze) {
14461 appData.icsEngineAnalyze = TRUE;
14462 if (appData.debugMode)
14463 fprintf(debugFP, "ICS engine analyze starting... \n");
14466 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14467 if (appData.noChessProgram || gameMode == AnalyzeMode)
14470 if (gameMode != AnalyzeFile) {
14471 if (!appData.icsEngineAnalyze) {
14473 if (gameMode != EditGame) return 0;
14475 if (!appData.showThinking) ToggleShowThinking();
14476 ResurrectChessProgram();
14477 SendToProgram("analyze\n", &first);
14478 first.analyzing = TRUE;
14479 /*first.maybeThinking = TRUE;*/
14480 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14481 EngineOutputPopUp();
14483 if (!appData.icsEngineAnalyze) {
14484 gameMode = AnalyzeMode;
14485 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14491 StartAnalysisClock();
14492 GetTimeMark(&lastNodeCountTime);
14498 AnalyzeFileEvent ()
14500 if (appData.noChessProgram || gameMode == AnalyzeFile)
14503 if (!first.analysisSupport) {
14505 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14506 DisplayError(buf, 0);
14510 if (gameMode != AnalyzeMode) {
14511 keepInfo = 1; // mere annotating should not alter PGN tags
14514 if (gameMode != EditGame) return;
14515 if (!appData.showThinking) ToggleShowThinking();
14516 ResurrectChessProgram();
14517 SendToProgram("analyze\n", &first);
14518 first.analyzing = TRUE;
14519 /*first.maybeThinking = TRUE;*/
14520 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14521 EngineOutputPopUp();
14523 gameMode = AnalyzeFile;
14527 StartAnalysisClock();
14528 GetTimeMark(&lastNodeCountTime);
14530 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14531 AnalysisPeriodicEvent(1);
14535 MachineWhiteEvent ()
14538 char *bookHit = NULL;
14540 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14544 if (gameMode == PlayFromGameFile ||
14545 gameMode == TwoMachinesPlay ||
14546 gameMode == Training ||
14547 gameMode == AnalyzeMode ||
14548 gameMode == EndOfGame)
14551 if (gameMode == EditPosition)
14552 EditPositionDone(TRUE);
14554 if (!WhiteOnMove(currentMove)) {
14555 DisplayError(_("It is not White's turn"), 0);
14559 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14562 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14563 gameMode == AnalyzeFile)
14566 ResurrectChessProgram(); /* in case it isn't running */
14567 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14568 gameMode = MachinePlaysWhite;
14571 gameMode = MachinePlaysWhite;
14575 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14577 if (first.sendName) {
14578 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14579 SendToProgram(buf, &first);
14581 if (first.sendTime) {
14582 if (first.useColors) {
14583 SendToProgram("black\n", &first); /*gnu kludge*/
14585 SendTimeRemaining(&first, TRUE);
14587 if (first.useColors) {
14588 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14590 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14591 SetMachineThinkingEnables();
14592 first.maybeThinking = TRUE;
14596 if (appData.autoFlipView && !flipView) {
14597 flipView = !flipView;
14598 DrawPosition(FALSE, NULL);
14599 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14602 if(bookHit) { // [HGM] book: simulate book reply
14603 static char bookMove[MSG_SIZ]; // a bit generous?
14605 programStats.nodes = programStats.depth = programStats.time =
14606 programStats.score = programStats.got_only_move = 0;
14607 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14609 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14610 strcat(bookMove, bookHit);
14611 HandleMachineMove(bookMove, &first);
14616 MachineBlackEvent ()
14619 char *bookHit = NULL;
14621 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14625 if (gameMode == PlayFromGameFile ||
14626 gameMode == TwoMachinesPlay ||
14627 gameMode == Training ||
14628 gameMode == AnalyzeMode ||
14629 gameMode == EndOfGame)
14632 if (gameMode == EditPosition)
14633 EditPositionDone(TRUE);
14635 if (WhiteOnMove(currentMove)) {
14636 DisplayError(_("It is not Black's turn"), 0);
14640 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14643 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14644 gameMode == AnalyzeFile)
14647 ResurrectChessProgram(); /* in case it isn't running */
14648 gameMode = MachinePlaysBlack;
14652 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14654 if (first.sendName) {
14655 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14656 SendToProgram(buf, &first);
14658 if (first.sendTime) {
14659 if (first.useColors) {
14660 SendToProgram("white\n", &first); /*gnu kludge*/
14662 SendTimeRemaining(&first, FALSE);
14664 if (first.useColors) {
14665 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14667 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14668 SetMachineThinkingEnables();
14669 first.maybeThinking = TRUE;
14672 if (appData.autoFlipView && flipView) {
14673 flipView = !flipView;
14674 DrawPosition(FALSE, NULL);
14675 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14677 if(bookHit) { // [HGM] book: simulate book reply
14678 static char bookMove[MSG_SIZ]; // a bit generous?
14680 programStats.nodes = programStats.depth = programStats.time =
14681 programStats.score = programStats.got_only_move = 0;
14682 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14684 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14685 strcat(bookMove, bookHit);
14686 HandleMachineMove(bookMove, &first);
14692 DisplayTwoMachinesTitle ()
14695 if (appData.matchGames > 0) {
14696 if(appData.tourneyFile[0]) {
14697 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14698 gameInfo.white, _("vs."), gameInfo.black,
14699 nextGame+1, appData.matchGames+1,
14700 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14702 if (first.twoMachinesColor[0] == 'w') {
14703 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14704 gameInfo.white, _("vs."), gameInfo.black,
14705 first.matchWins, second.matchWins,
14706 matchGame - 1 - (first.matchWins + second.matchWins));
14708 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14709 gameInfo.white, _("vs."), gameInfo.black,
14710 second.matchWins, first.matchWins,
14711 matchGame - 1 - (first.matchWins + second.matchWins));
14714 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14720 SettingsMenuIfReady ()
14722 if (second.lastPing != second.lastPong) {
14723 DisplayMessage("", _("Waiting for second chess program"));
14724 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14728 DisplayMessage("", "");
14729 SettingsPopUp(&second);
14733 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14736 if (cps->pr == NoProc) {
14737 StartChessProgram(cps);
14738 if (cps->protocolVersion == 1) {
14740 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14742 /* kludge: allow timeout for initial "feature" command */
14743 if(retry != TwoMachinesEventIfReady) FreezeUI();
14744 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14745 DisplayMessage("", buf);
14746 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14754 TwoMachinesEvent P((void))
14758 ChessProgramState *onmove;
14759 char *bookHit = NULL;
14760 static int stalling = 0;
14764 if (appData.noChessProgram) return;
14766 switch (gameMode) {
14767 case TwoMachinesPlay:
14769 case MachinePlaysWhite:
14770 case MachinePlaysBlack:
14771 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14772 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14776 case BeginningOfGame:
14777 case PlayFromGameFile:
14780 if (gameMode != EditGame) return;
14783 EditPositionDone(TRUE);
14794 // forwardMostMove = currentMove;
14795 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14796 startingEngine = TRUE;
14798 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14800 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14801 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14802 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14805 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14807 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14808 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14809 startingEngine = matchMode = FALSE;
14810 DisplayError("second engine does not play this", 0);
14811 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14812 EditGameEvent(); // switch back to EditGame mode
14817 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14818 SendToProgram("force\n", &second);
14820 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14823 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14824 if(appData.matchPause>10000 || appData.matchPause<10)
14825 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14826 wait = SubtractTimeMarks(&now, &pauseStart);
14827 if(wait < appData.matchPause) {
14828 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14831 // we are now committed to starting the game
14833 DisplayMessage("", "");
14834 if (startedFromSetupPosition) {
14835 SendBoard(&second, backwardMostMove);
14836 if (appData.debugMode) {
14837 fprintf(debugFP, "Two Machines\n");
14840 for (i = backwardMostMove; i < forwardMostMove; i++) {
14841 SendMoveToProgram(i, &second);
14844 gameMode = TwoMachinesPlay;
14845 pausing = startingEngine = FALSE;
14846 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14848 DisplayTwoMachinesTitle();
14850 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14855 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14856 SendToProgram(first.computerString, &first);
14857 if (first.sendName) {
14858 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14859 SendToProgram(buf, &first);
14861 SendToProgram(second.computerString, &second);
14862 if (second.sendName) {
14863 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14864 SendToProgram(buf, &second);
14868 if (!first.sendTime || !second.sendTime) {
14869 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14870 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14872 if (onmove->sendTime) {
14873 if (onmove->useColors) {
14874 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14876 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14878 if (onmove->useColors) {
14879 SendToProgram(onmove->twoMachinesColor, onmove);
14881 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14882 // SendToProgram("go\n", onmove);
14883 onmove->maybeThinking = TRUE;
14884 SetMachineThinkingEnables();
14888 if(bookHit) { // [HGM] book: simulate book reply
14889 static char bookMove[MSG_SIZ]; // a bit generous?
14891 programStats.nodes = programStats.depth = programStats.time =
14892 programStats.score = programStats.got_only_move = 0;
14893 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14895 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14896 strcat(bookMove, bookHit);
14897 savedMessage = bookMove; // args for deferred call
14898 savedState = onmove;
14899 ScheduleDelayedEvent(DeferredBookMove, 1);
14906 if (gameMode == Training) {
14907 SetTrainingModeOff();
14908 gameMode = PlayFromGameFile;
14909 DisplayMessage("", _("Training mode off"));
14911 gameMode = Training;
14912 animateTraining = appData.animate;
14914 /* make sure we are not already at the end of the game */
14915 if (currentMove < forwardMostMove) {
14916 SetTrainingModeOn();
14917 DisplayMessage("", _("Training mode on"));
14919 gameMode = PlayFromGameFile;
14920 DisplayError(_("Already at end of game"), 0);
14929 if (!appData.icsActive) return;
14930 switch (gameMode) {
14931 case IcsPlayingWhite:
14932 case IcsPlayingBlack:
14935 case BeginningOfGame:
14943 EditPositionDone(TRUE);
14956 gameMode = IcsIdle;
14966 switch (gameMode) {
14968 SetTrainingModeOff();
14970 case MachinePlaysWhite:
14971 case MachinePlaysBlack:
14972 case BeginningOfGame:
14973 SendToProgram("force\n", &first);
14974 SetUserThinkingEnables();
14976 case PlayFromGameFile:
14977 (void) StopLoadGameTimer();
14978 if (gameFileFP != NULL) {
14983 EditPositionDone(TRUE);
14988 SendToProgram("force\n", &first);
14990 case TwoMachinesPlay:
14991 GameEnds(EndOfFile, NULL, GE_PLAYER);
14992 ResurrectChessProgram();
14993 SetUserThinkingEnables();
14996 ResurrectChessProgram();
14998 case IcsPlayingBlack:
14999 case IcsPlayingWhite:
15000 DisplayError(_("Warning: You are still playing a game"), 0);
15003 DisplayError(_("Warning: You are still observing a game"), 0);
15006 DisplayError(_("Warning: You are still examining a game"), 0);
15017 first.offeredDraw = second.offeredDraw = 0;
15019 if (gameMode == PlayFromGameFile) {
15020 whiteTimeRemaining = timeRemaining[0][currentMove];
15021 blackTimeRemaining = timeRemaining[1][currentMove];
15025 if (gameMode == MachinePlaysWhite ||
15026 gameMode == MachinePlaysBlack ||
15027 gameMode == TwoMachinesPlay ||
15028 gameMode == EndOfGame) {
15029 i = forwardMostMove;
15030 while (i > currentMove) {
15031 SendToProgram("undo\n", &first);
15034 if(!adjustedClock) {
15035 whiteTimeRemaining = timeRemaining[0][currentMove];
15036 blackTimeRemaining = timeRemaining[1][currentMove];
15037 DisplayBothClocks();
15039 if (whiteFlag || blackFlag) {
15040 whiteFlag = blackFlag = 0;
15045 gameMode = EditGame;
15052 EditPositionEvent ()
15054 if (gameMode == EditPosition) {
15060 if (gameMode != EditGame) return;
15062 gameMode = EditPosition;
15065 if (currentMove > 0)
15066 CopyBoard(boards[0], boards[currentMove]);
15068 blackPlaysFirst = !WhiteOnMove(currentMove);
15070 currentMove = forwardMostMove = backwardMostMove = 0;
15071 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15073 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15079 /* [DM] icsEngineAnalyze - possible call from other functions */
15080 if (appData.icsEngineAnalyze) {
15081 appData.icsEngineAnalyze = FALSE;
15083 DisplayMessage("",_("Close ICS engine analyze..."));
15085 if (first.analysisSupport && first.analyzing) {
15086 SendToBoth("exit\n");
15087 first.analyzing = second.analyzing = FALSE;
15089 thinkOutput[0] = NULLCHAR;
15093 EditPositionDone (Boolean fakeRights)
15095 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15097 startedFromSetupPosition = TRUE;
15098 InitChessProgram(&first, FALSE);
15099 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15100 boards[0][EP_STATUS] = EP_NONE;
15101 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15102 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15103 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15104 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15105 } else boards[0][CASTLING][2] = NoRights;
15106 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15107 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15108 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15109 } else boards[0][CASTLING][5] = NoRights;
15110 if(gameInfo.variant == VariantSChess) {
15112 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15113 boards[0][VIRGIN][i] = 0;
15114 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15115 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15119 SendToProgram("force\n", &first);
15120 if (blackPlaysFirst) {
15121 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15122 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15123 currentMove = forwardMostMove = backwardMostMove = 1;
15124 CopyBoard(boards[1], boards[0]);
15126 currentMove = forwardMostMove = backwardMostMove = 0;
15128 SendBoard(&first, forwardMostMove);
15129 if (appData.debugMode) {
15130 fprintf(debugFP, "EditPosDone\n");
15133 DisplayMessage("", "");
15134 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15135 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15136 gameMode = EditGame;
15138 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15139 ClearHighlights(); /* [AS] */
15142 /* Pause for `ms' milliseconds */
15143 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15145 TimeDelay (long ms)
15152 } while (SubtractTimeMarks(&m2, &m1) < ms);
15155 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15157 SendMultiLineToICS (char *buf)
15159 char temp[MSG_SIZ+1], *p;
15166 strncpy(temp, buf, len);
15171 if (*p == '\n' || *p == '\r')
15176 strcat(temp, "\n");
15178 SendToPlayer(temp, strlen(temp));
15182 SetWhiteToPlayEvent ()
15184 if (gameMode == EditPosition) {
15185 blackPlaysFirst = FALSE;
15186 DisplayBothClocks(); /* works because currentMove is 0 */
15187 } else if (gameMode == IcsExamining) {
15188 SendToICS(ics_prefix);
15189 SendToICS("tomove white\n");
15194 SetBlackToPlayEvent ()
15196 if (gameMode == EditPosition) {
15197 blackPlaysFirst = TRUE;
15198 currentMove = 1; /* kludge */
15199 DisplayBothClocks();
15201 } else if (gameMode == IcsExamining) {
15202 SendToICS(ics_prefix);
15203 SendToICS("tomove black\n");
15208 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15211 ChessSquare piece = boards[0][y][x];
15212 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15213 static int lastVariant;
15215 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15217 switch (selection) {
15219 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15220 MarkTargetSquares(1);
15221 CopyBoard(currentBoard, boards[0]);
15222 CopyBoard(menuBoard, initialPosition);
15223 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15224 SendToICS(ics_prefix);
15225 SendToICS("bsetup clear\n");
15226 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15227 SendToICS(ics_prefix);
15228 SendToICS("clearboard\n");
15231 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15232 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15233 for (y = 0; y < BOARD_HEIGHT; y++) {
15234 if (gameMode == IcsExamining) {
15235 if (boards[currentMove][y][x] != EmptySquare) {
15236 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15240 } else if(boards[0][y][x] != DarkSquare) {
15241 if(boards[0][y][x] != p) nonEmpty++;
15242 boards[0][y][x] = p;
15246 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15248 for(r = 0; r < BOARD_HEIGHT; r++) {
15249 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15250 ChessSquare p = menuBoard[r][x];
15251 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15254 DisplayMessage("Clicking clock again restores position", "");
15255 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15256 if(!nonEmpty) { // asked to clear an empty board
15257 CopyBoard(boards[0], menuBoard);
15259 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15260 CopyBoard(boards[0], initialPosition);
15262 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15263 && !CompareBoards(nullBoard, erasedBoard)) {
15264 CopyBoard(boards[0], erasedBoard);
15266 CopyBoard(erasedBoard, currentBoard);
15270 if (gameMode == EditPosition) {
15271 DrawPosition(FALSE, boards[0]);
15276 SetWhiteToPlayEvent();
15280 SetBlackToPlayEvent();
15284 if (gameMode == IcsExamining) {
15285 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15286 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15289 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15290 if(x == BOARD_LEFT-2) {
15291 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15292 boards[0][y][1] = 0;
15294 if(x == BOARD_RGHT+1) {
15295 if(y >= gameInfo.holdingsSize) break;
15296 boards[0][y][BOARD_WIDTH-2] = 0;
15299 boards[0][y][x] = EmptySquare;
15300 DrawPosition(FALSE, boards[0]);
15305 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15306 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15307 selection = (ChessSquare) (PROMOTED piece);
15308 } else if(piece == EmptySquare) selection = WhiteSilver;
15309 else selection = (ChessSquare)((int)piece - 1);
15313 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15314 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15315 selection = (ChessSquare) (DEMOTED piece);
15316 } else if(piece == EmptySquare) selection = BlackSilver;
15317 else selection = (ChessSquare)((int)piece + 1);
15322 if(gameInfo.variant == VariantShatranj ||
15323 gameInfo.variant == VariantXiangqi ||
15324 gameInfo.variant == VariantCourier ||
15325 gameInfo.variant == VariantASEAN ||
15326 gameInfo.variant == VariantMakruk )
15327 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15332 if(gameInfo.variant == VariantXiangqi)
15333 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15334 if(gameInfo.variant == VariantKnightmate)
15335 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15338 if (gameMode == IcsExamining) {
15339 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15340 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15341 PieceToChar(selection), AAA + x, ONE + y);
15344 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15346 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15347 n = PieceToNumber(selection - BlackPawn);
15348 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15349 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15350 boards[0][BOARD_HEIGHT-1-n][1]++;
15352 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15353 n = PieceToNumber(selection);
15354 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15355 boards[0][n][BOARD_WIDTH-1] = selection;
15356 boards[0][n][BOARD_WIDTH-2]++;
15359 boards[0][y][x] = selection;
15360 DrawPosition(TRUE, boards[0]);
15362 fromX = fromY = -1;
15370 DropMenuEvent (ChessSquare selection, int x, int y)
15372 ChessMove moveType;
15374 switch (gameMode) {
15375 case IcsPlayingWhite:
15376 case MachinePlaysBlack:
15377 if (!WhiteOnMove(currentMove)) {
15378 DisplayMoveError(_("It is Black's turn"));
15381 moveType = WhiteDrop;
15383 case IcsPlayingBlack:
15384 case MachinePlaysWhite:
15385 if (WhiteOnMove(currentMove)) {
15386 DisplayMoveError(_("It is White's turn"));
15389 moveType = BlackDrop;
15392 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15398 if (moveType == BlackDrop && selection < BlackPawn) {
15399 selection = (ChessSquare) ((int) selection
15400 + (int) BlackPawn - (int) WhitePawn);
15402 if (boards[currentMove][y][x] != EmptySquare) {
15403 DisplayMoveError(_("That square is occupied"));
15407 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15413 /* Accept a pending offer of any kind from opponent */
15415 if (appData.icsActive) {
15416 SendToICS(ics_prefix);
15417 SendToICS("accept\n");
15418 } else if (cmailMsgLoaded) {
15419 if (currentMove == cmailOldMove &&
15420 commentList[cmailOldMove] != NULL &&
15421 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15422 "Black offers a draw" : "White offers a draw")) {
15424 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15425 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15427 DisplayError(_("There is no pending offer on this move"), 0);
15428 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15431 /* Not used for offers from chess program */
15438 /* Decline a pending offer of any kind from opponent */
15440 if (appData.icsActive) {
15441 SendToICS(ics_prefix);
15442 SendToICS("decline\n");
15443 } else if (cmailMsgLoaded) {
15444 if (currentMove == cmailOldMove &&
15445 commentList[cmailOldMove] != NULL &&
15446 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15447 "Black offers a draw" : "White offers a draw")) {
15449 AppendComment(cmailOldMove, "Draw declined", TRUE);
15450 DisplayComment(cmailOldMove - 1, "Draw declined");
15453 DisplayError(_("There is no pending offer on this move"), 0);
15456 /* Not used for offers from chess program */
15463 /* Issue ICS rematch command */
15464 if (appData.icsActive) {
15465 SendToICS(ics_prefix);
15466 SendToICS("rematch\n");
15473 /* Call your opponent's flag (claim a win on time) */
15474 if (appData.icsActive) {
15475 SendToICS(ics_prefix);
15476 SendToICS("flag\n");
15478 switch (gameMode) {
15481 case MachinePlaysWhite:
15484 GameEnds(GameIsDrawn, "Both players ran out of time",
15487 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15489 DisplayError(_("Your opponent is not out of time"), 0);
15492 case MachinePlaysBlack:
15495 GameEnds(GameIsDrawn, "Both players ran out of time",
15498 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15500 DisplayError(_("Your opponent is not out of time"), 0);
15508 ClockClick (int which)
15509 { // [HGM] code moved to back-end from winboard.c
15510 if(which) { // black clock
15511 if (gameMode == EditPosition || gameMode == IcsExamining) {
15512 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15513 SetBlackToPlayEvent();
15514 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15515 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15516 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15517 } else if (shiftKey) {
15518 AdjustClock(which, -1);
15519 } else if (gameMode == IcsPlayingWhite ||
15520 gameMode == MachinePlaysBlack) {
15523 } else { // white clock
15524 if (gameMode == EditPosition || gameMode == IcsExamining) {
15525 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15526 SetWhiteToPlayEvent();
15527 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15528 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15529 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15530 } else if (shiftKey) {
15531 AdjustClock(which, -1);
15532 } else if (gameMode == IcsPlayingBlack ||
15533 gameMode == MachinePlaysWhite) {
15542 /* Offer draw or accept pending draw offer from opponent */
15544 if (appData.icsActive) {
15545 /* Note: tournament rules require draw offers to be
15546 made after you make your move but before you punch
15547 your clock. Currently ICS doesn't let you do that;
15548 instead, you immediately punch your clock after making
15549 a move, but you can offer a draw at any time. */
15551 SendToICS(ics_prefix);
15552 SendToICS("draw\n");
15553 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15554 } else if (cmailMsgLoaded) {
15555 if (currentMove == cmailOldMove &&
15556 commentList[cmailOldMove] != NULL &&
15557 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15558 "Black offers a draw" : "White offers a draw")) {
15559 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15560 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15561 } else if (currentMove == cmailOldMove + 1) {
15562 char *offer = WhiteOnMove(cmailOldMove) ?
15563 "White offers a draw" : "Black offers a draw";
15564 AppendComment(currentMove, offer, TRUE);
15565 DisplayComment(currentMove - 1, offer);
15566 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15568 DisplayError(_("You must make your move before offering a draw"), 0);
15569 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15571 } else if (first.offeredDraw) {
15572 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15574 if (first.sendDrawOffers) {
15575 SendToProgram("draw\n", &first);
15576 userOfferedDraw = TRUE;
15584 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15586 if (appData.icsActive) {
15587 SendToICS(ics_prefix);
15588 SendToICS("adjourn\n");
15590 /* Currently GNU Chess doesn't offer or accept Adjourns */
15598 /* Offer Abort or accept pending Abort offer from opponent */
15600 if (appData.icsActive) {
15601 SendToICS(ics_prefix);
15602 SendToICS("abort\n");
15604 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15611 /* Resign. You can do this even if it's not your turn. */
15613 if (appData.icsActive) {
15614 SendToICS(ics_prefix);
15615 SendToICS("resign\n");
15617 switch (gameMode) {
15618 case MachinePlaysWhite:
15619 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15621 case MachinePlaysBlack:
15622 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15625 if (cmailMsgLoaded) {
15627 if (WhiteOnMove(cmailOldMove)) {
15628 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15630 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15632 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15643 StopObservingEvent ()
15645 /* Stop observing current games */
15646 SendToICS(ics_prefix);
15647 SendToICS("unobserve\n");
15651 StopExaminingEvent ()
15653 /* Stop observing current game */
15654 SendToICS(ics_prefix);
15655 SendToICS("unexamine\n");
15659 ForwardInner (int target)
15661 int limit; int oldSeekGraphUp = seekGraphUp;
15663 if (appData.debugMode)
15664 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15665 target, currentMove, forwardMostMove);
15667 if (gameMode == EditPosition)
15670 seekGraphUp = FALSE;
15671 MarkTargetSquares(1);
15672 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15674 if (gameMode == PlayFromGameFile && !pausing)
15677 if (gameMode == IcsExamining && pausing)
15678 limit = pauseExamForwardMostMove;
15680 limit = forwardMostMove;
15682 if (target > limit) target = limit;
15684 if (target > 0 && moveList[target - 1][0]) {
15685 int fromX, fromY, toX, toY;
15686 toX = moveList[target - 1][2] - AAA;
15687 toY = moveList[target - 1][3] - ONE;
15688 if (moveList[target - 1][1] == '@') {
15689 if (appData.highlightLastMove) {
15690 SetHighlights(-1, -1, toX, toY);
15693 int viaX = moveList[target - 1][5] - AAA;
15694 int viaY = moveList[target - 1][6] - ONE;
15695 fromX = moveList[target - 1][0] - AAA;
15696 fromY = moveList[target - 1][1] - ONE;
15697 if (target == currentMove + 1) {
15698 if(moveList[target - 1][4] == ';') { // multi-leg
15699 ChessSquare piece = boards[currentMove][viaY][viaX];
15700 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15701 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15702 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15703 boards[currentMove][viaY][viaX] = piece;
15705 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15707 if (appData.highlightLastMove) {
15708 SetHighlights(fromX, fromY, toX, toY);
15712 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15713 gameMode == Training || gameMode == PlayFromGameFile ||
15714 gameMode == AnalyzeFile) {
15715 while (currentMove < target) {
15716 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15717 SendMoveToProgram(currentMove++, &first);
15720 currentMove = target;
15723 if (gameMode == EditGame || gameMode == EndOfGame) {
15724 whiteTimeRemaining = timeRemaining[0][currentMove];
15725 blackTimeRemaining = timeRemaining[1][currentMove];
15727 DisplayBothClocks();
15728 DisplayMove(currentMove - 1);
15729 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15730 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15731 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15732 DisplayComment(currentMove - 1, commentList[currentMove]);
15734 ClearMap(); // [HGM] exclude: invalidate map
15741 if (gameMode == IcsExamining && !pausing) {
15742 SendToICS(ics_prefix);
15743 SendToICS("forward\n");
15745 ForwardInner(currentMove + 1);
15752 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15753 /* to optimze, we temporarily turn off analysis mode while we feed
15754 * the remaining moves to the engine. Otherwise we get analysis output
15757 if (first.analysisSupport) {
15758 SendToProgram("exit\nforce\n", &first);
15759 first.analyzing = FALSE;
15763 if (gameMode == IcsExamining && !pausing) {
15764 SendToICS(ics_prefix);
15765 SendToICS("forward 999999\n");
15767 ForwardInner(forwardMostMove);
15770 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15771 /* we have fed all the moves, so reactivate analysis mode */
15772 SendToProgram("analyze\n", &first);
15773 first.analyzing = TRUE;
15774 /*first.maybeThinking = TRUE;*/
15775 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15780 BackwardInner (int target)
15782 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15784 if (appData.debugMode)
15785 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15786 target, currentMove, forwardMostMove);
15788 if (gameMode == EditPosition) return;
15789 seekGraphUp = FALSE;
15790 MarkTargetSquares(1);
15791 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15792 if (currentMove <= backwardMostMove) {
15794 DrawPosition(full_redraw, boards[currentMove]);
15797 if (gameMode == PlayFromGameFile && !pausing)
15800 if (moveList[target][0]) {
15801 int fromX, fromY, toX, toY;
15802 toX = moveList[target][2] - AAA;
15803 toY = moveList[target][3] - ONE;
15804 if (moveList[target][1] == '@') {
15805 if (appData.highlightLastMove) {
15806 SetHighlights(-1, -1, toX, toY);
15809 fromX = moveList[target][0] - AAA;
15810 fromY = moveList[target][1] - ONE;
15811 if (target == currentMove - 1) {
15812 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15814 if (appData.highlightLastMove) {
15815 SetHighlights(fromX, fromY, toX, toY);
15819 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15820 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15821 while (currentMove > target) {
15822 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15823 // null move cannot be undone. Reload program with move history before it.
15825 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15826 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15828 SendBoard(&first, i);
15829 if(second.analyzing) SendBoard(&second, i);
15830 for(currentMove=i; currentMove<target; currentMove++) {
15831 SendMoveToProgram(currentMove, &first);
15832 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15836 SendToBoth("undo\n");
15840 currentMove = target;
15843 if (gameMode == EditGame || gameMode == EndOfGame) {
15844 whiteTimeRemaining = timeRemaining[0][currentMove];
15845 blackTimeRemaining = timeRemaining[1][currentMove];
15847 DisplayBothClocks();
15848 DisplayMove(currentMove - 1);
15849 DrawPosition(full_redraw, boards[currentMove]);
15850 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15851 // [HGM] PV info: routine tests if comment empty
15852 DisplayComment(currentMove - 1, commentList[currentMove]);
15853 ClearMap(); // [HGM] exclude: invalidate map
15859 if (gameMode == IcsExamining && !pausing) {
15860 SendToICS(ics_prefix);
15861 SendToICS("backward\n");
15863 BackwardInner(currentMove - 1);
15870 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15871 /* to optimize, we temporarily turn off analysis mode while we undo
15872 * all the moves. Otherwise we get analysis output after each undo.
15874 if (first.analysisSupport) {
15875 SendToProgram("exit\nforce\n", &first);
15876 first.analyzing = FALSE;
15880 if (gameMode == IcsExamining && !pausing) {
15881 SendToICS(ics_prefix);
15882 SendToICS("backward 999999\n");
15884 BackwardInner(backwardMostMove);
15887 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15888 /* we have fed all the moves, so reactivate analysis mode */
15889 SendToProgram("analyze\n", &first);
15890 first.analyzing = TRUE;
15891 /*first.maybeThinking = TRUE;*/
15892 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15899 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15900 if (to >= forwardMostMove) to = forwardMostMove;
15901 if (to <= backwardMostMove) to = backwardMostMove;
15902 if (to < currentMove) {
15910 RevertEvent (Boolean annotate)
15912 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15915 if (gameMode != IcsExamining) {
15916 DisplayError(_("You are not examining a game"), 0);
15920 DisplayError(_("You can't revert while pausing"), 0);
15923 SendToICS(ics_prefix);
15924 SendToICS("revert\n");
15928 RetractMoveEvent ()
15930 switch (gameMode) {
15931 case MachinePlaysWhite:
15932 case MachinePlaysBlack:
15933 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15934 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15937 if (forwardMostMove < 2) return;
15938 currentMove = forwardMostMove = forwardMostMove - 2;
15939 whiteTimeRemaining = timeRemaining[0][currentMove];
15940 blackTimeRemaining = timeRemaining[1][currentMove];
15941 DisplayBothClocks();
15942 DisplayMove(currentMove - 1);
15943 ClearHighlights();/*!! could figure this out*/
15944 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15945 SendToProgram("remove\n", &first);
15946 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15949 case BeginningOfGame:
15953 case IcsPlayingWhite:
15954 case IcsPlayingBlack:
15955 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15956 SendToICS(ics_prefix);
15957 SendToICS("takeback 2\n");
15959 SendToICS(ics_prefix);
15960 SendToICS("takeback 1\n");
15969 ChessProgramState *cps;
15971 switch (gameMode) {
15972 case MachinePlaysWhite:
15973 if (!WhiteOnMove(forwardMostMove)) {
15974 DisplayError(_("It is your turn"), 0);
15979 case MachinePlaysBlack:
15980 if (WhiteOnMove(forwardMostMove)) {
15981 DisplayError(_("It is your turn"), 0);
15986 case TwoMachinesPlay:
15987 if (WhiteOnMove(forwardMostMove) ==
15988 (first.twoMachinesColor[0] == 'w')) {
15994 case BeginningOfGame:
15998 SendToProgram("?\n", cps);
16002 TruncateGameEvent ()
16005 if (gameMode != EditGame) return;
16012 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16013 if (forwardMostMove > currentMove) {
16014 if (gameInfo.resultDetails != NULL) {
16015 free(gameInfo.resultDetails);
16016 gameInfo.resultDetails = NULL;
16017 gameInfo.result = GameUnfinished;
16019 forwardMostMove = currentMove;
16020 HistorySet(parseList, backwardMostMove, forwardMostMove,
16028 if (appData.noChessProgram) return;
16029 switch (gameMode) {
16030 case MachinePlaysWhite:
16031 if (WhiteOnMove(forwardMostMove)) {
16032 DisplayError(_("Wait until your turn."), 0);
16036 case BeginningOfGame:
16037 case MachinePlaysBlack:
16038 if (!WhiteOnMove(forwardMostMove)) {
16039 DisplayError(_("Wait until your turn."), 0);
16044 DisplayError(_("No hint available"), 0);
16047 SendToProgram("hint\n", &first);
16048 hintRequested = TRUE;
16052 SaveSelected (FILE *g, int dummy, char *dummy2)
16054 ListGame * lg = (ListGame *) gameList.head;
16058 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16059 DisplayError(_("Game list not loaded or empty"), 0);
16063 creatingBook = TRUE; // suppresses stuff during load game
16065 /* Get list size */
16066 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16067 if(lg->position >= 0) { // selected?
16068 LoadGame(f, nItem, "", TRUE);
16069 SaveGamePGN2(g); // leaves g open
16072 lg = (ListGame *) lg->node.succ;
16076 creatingBook = FALSE;
16084 ListGame * lg = (ListGame *) gameList.head;
16087 static int secondTime = FALSE;
16089 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16090 DisplayError(_("Game list not loaded or empty"), 0);
16094 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16097 DisplayNote(_("Book file exists! Try again for overwrite."));
16101 creatingBook = TRUE;
16102 secondTime = FALSE;
16104 /* Get list size */
16105 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16106 if(lg->position >= 0) {
16107 LoadGame(f, nItem, "", TRUE);
16108 AddGameToBook(TRUE);
16111 lg = (ListGame *) lg->node.succ;
16114 creatingBook = FALSE;
16121 if (appData.noChessProgram) return;
16122 switch (gameMode) {
16123 case MachinePlaysWhite:
16124 if (WhiteOnMove(forwardMostMove)) {
16125 DisplayError(_("Wait until your turn."), 0);
16129 case BeginningOfGame:
16130 case MachinePlaysBlack:
16131 if (!WhiteOnMove(forwardMostMove)) {
16132 DisplayError(_("Wait until your turn."), 0);
16137 EditPositionDone(TRUE);
16139 case TwoMachinesPlay:
16144 SendToProgram("bk\n", &first);
16145 bookOutput[0] = NULLCHAR;
16146 bookRequested = TRUE;
16152 char *tags = PGNTags(&gameInfo);
16153 TagsPopUp(tags, CmailMsg());
16157 /* end button procedures */
16160 PrintPosition (FILE *fp, int move)
16164 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16165 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16166 char c = PieceToChar(boards[move][i][j]);
16167 fputc(c == 'x' ? '.' : c, fp);
16168 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16171 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16172 fprintf(fp, "white to play\n");
16174 fprintf(fp, "black to play\n");
16178 PrintOpponents (FILE *fp)
16180 if (gameInfo.white != NULL) {
16181 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16187 /* Find last component of program's own name, using some heuristics */
16189 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16192 int local = (strcmp(host, "localhost") == 0);
16193 while (!local && (p = strchr(prog, ';')) != NULL) {
16195 while (*p == ' ') p++;
16198 if (*prog == '"' || *prog == '\'') {
16199 q = strchr(prog + 1, *prog);
16201 q = strchr(prog, ' ');
16203 if (q == NULL) q = prog + strlen(prog);
16205 while (p >= prog && *p != '/' && *p != '\\') p--;
16207 if(p == prog && *p == '"') p++;
16209 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16210 memcpy(buf, p, q - p);
16211 buf[q - p] = NULLCHAR;
16219 TimeControlTagValue ()
16222 if (!appData.clockMode) {
16223 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16224 } else if (movesPerSession > 0) {
16225 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16226 } else if (timeIncrement == 0) {
16227 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16229 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16231 return StrSave(buf);
16237 /* This routine is used only for certain modes */
16238 VariantClass v = gameInfo.variant;
16239 ChessMove r = GameUnfinished;
16242 if(keepInfo) return;
16244 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16245 r = gameInfo.result;
16246 p = gameInfo.resultDetails;
16247 gameInfo.resultDetails = NULL;
16249 ClearGameInfo(&gameInfo);
16250 gameInfo.variant = v;
16252 switch (gameMode) {
16253 case MachinePlaysWhite:
16254 gameInfo.event = StrSave( appData.pgnEventHeader );
16255 gameInfo.site = StrSave(HostName());
16256 gameInfo.date = PGNDate();
16257 gameInfo.round = StrSave("-");
16258 gameInfo.white = StrSave(first.tidy);
16259 gameInfo.black = StrSave(UserName());
16260 gameInfo.timeControl = TimeControlTagValue();
16263 case MachinePlaysBlack:
16264 gameInfo.event = StrSave( appData.pgnEventHeader );
16265 gameInfo.site = StrSave(HostName());
16266 gameInfo.date = PGNDate();
16267 gameInfo.round = StrSave("-");
16268 gameInfo.white = StrSave(UserName());
16269 gameInfo.black = StrSave(first.tidy);
16270 gameInfo.timeControl = TimeControlTagValue();
16273 case TwoMachinesPlay:
16274 gameInfo.event = StrSave( appData.pgnEventHeader );
16275 gameInfo.site = StrSave(HostName());
16276 gameInfo.date = PGNDate();
16279 snprintf(buf, MSG_SIZ, "%d", roundNr);
16280 gameInfo.round = StrSave(buf);
16282 gameInfo.round = StrSave("-");
16284 if (first.twoMachinesColor[0] == 'w') {
16285 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16286 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16288 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16289 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16291 gameInfo.timeControl = TimeControlTagValue();
16295 gameInfo.event = StrSave("Edited game");
16296 gameInfo.site = StrSave(HostName());
16297 gameInfo.date = PGNDate();
16298 gameInfo.round = StrSave("-");
16299 gameInfo.white = StrSave("-");
16300 gameInfo.black = StrSave("-");
16301 gameInfo.result = r;
16302 gameInfo.resultDetails = p;
16306 gameInfo.event = StrSave("Edited position");
16307 gameInfo.site = StrSave(HostName());
16308 gameInfo.date = PGNDate();
16309 gameInfo.round = StrSave("-");
16310 gameInfo.white = StrSave("-");
16311 gameInfo.black = StrSave("-");
16314 case IcsPlayingWhite:
16315 case IcsPlayingBlack:
16320 case PlayFromGameFile:
16321 gameInfo.event = StrSave("Game from non-PGN file");
16322 gameInfo.site = StrSave(HostName());
16323 gameInfo.date = PGNDate();
16324 gameInfo.round = StrSave("-");
16325 gameInfo.white = StrSave("?");
16326 gameInfo.black = StrSave("?");
16335 ReplaceComment (int index, char *text)
16341 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16342 pvInfoList[index-1].depth == len &&
16343 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16344 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16345 while (*text == '\n') text++;
16346 len = strlen(text);
16347 while (len > 0 && text[len - 1] == '\n') len--;
16349 if (commentList[index] != NULL)
16350 free(commentList[index]);
16353 commentList[index] = NULL;
16356 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16357 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16358 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16359 commentList[index] = (char *) malloc(len + 2);
16360 strncpy(commentList[index], text, len);
16361 commentList[index][len] = '\n';
16362 commentList[index][len + 1] = NULLCHAR;
16364 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16366 commentList[index] = (char *) malloc(len + 7);
16367 safeStrCpy(commentList[index], "{\n", 3);
16368 safeStrCpy(commentList[index]+2, text, len+1);
16369 commentList[index][len+2] = NULLCHAR;
16370 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16371 strcat(commentList[index], "\n}\n");
16376 CrushCRs (char *text)
16384 if (ch == '\r') continue;
16386 } while (ch != '\0');
16390 AppendComment (int index, char *text, Boolean addBraces)
16391 /* addBraces tells if we should add {} */
16396 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16397 if(addBraces == 3) addBraces = 0; else // force appending literally
16398 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16401 while (*text == '\n') text++;
16402 len = strlen(text);
16403 while (len > 0 && text[len - 1] == '\n') len--;
16404 text[len] = NULLCHAR;
16406 if (len == 0) return;
16408 if (commentList[index] != NULL) {
16409 Boolean addClosingBrace = addBraces;
16410 old = commentList[index];
16411 oldlen = strlen(old);
16412 while(commentList[index][oldlen-1] == '\n')
16413 commentList[index][--oldlen] = NULLCHAR;
16414 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16415 safeStrCpy(commentList[index], old, oldlen + len + 6);
16417 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16418 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16419 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16420 while (*text == '\n') { text++; len--; }
16421 commentList[index][--oldlen] = NULLCHAR;
16423 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16424 else strcat(commentList[index], "\n");
16425 strcat(commentList[index], text);
16426 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16427 else strcat(commentList[index], "\n");
16429 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16431 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16432 else commentList[index][0] = NULLCHAR;
16433 strcat(commentList[index], text);
16434 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16435 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16440 FindStr (char * text, char * sub_text)
16442 char * result = strstr( text, sub_text );
16444 if( result != NULL ) {
16445 result += strlen( sub_text );
16451 /* [AS] Try to extract PV info from PGN comment */
16452 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16454 GetInfoFromComment (int index, char * text)
16456 char * sep = text, *p;
16458 if( text != NULL && index > 0 ) {
16461 int time = -1, sec = 0, deci;
16462 char * s_eval = FindStr( text, "[%eval " );
16463 char * s_emt = FindStr( text, "[%emt " );
16465 if( s_eval != NULL || s_emt != NULL ) {
16467 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16472 if( s_eval != NULL ) {
16473 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16477 if( delim != ']' ) {
16482 if( s_emt != NULL ) {
16487 /* We expect something like: [+|-]nnn.nn/dd */
16490 if(*text != '{') return text; // [HGM] braces: must be normal comment
16492 sep = strchr( text, '/' );
16493 if( sep == NULL || sep < (text+4) ) {
16498 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16499 if(p[1] == '(') { // comment starts with PV
16500 p = strchr(p, ')'); // locate end of PV
16501 if(p == NULL || sep < p+5) return text;
16502 // at this point we have something like "{(.*) +0.23/6 ..."
16503 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16504 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16505 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16507 time = -1; sec = -1; deci = -1;
16508 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16509 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16510 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16511 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16515 if( score_lo < 0 || score_lo >= 100 ) {
16519 if(sec >= 0) time = 600*time + 10*sec; else
16520 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16522 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16524 /* [HGM] PV time: now locate end of PV info */
16525 while( *++sep >= '0' && *sep <= '9'); // strip depth
16527 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16529 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16531 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16532 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16543 pvInfoList[index-1].depth = depth;
16544 pvInfoList[index-1].score = score;
16545 pvInfoList[index-1].time = 10*time; // centi-sec
16546 if(*sep == '}') *sep = 0; else *--sep = '{';
16547 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16553 SendToProgram (char *message, ChessProgramState *cps)
16555 int count, outCount, error;
16558 if (cps->pr == NoProc) return;
16561 if (appData.debugMode) {
16564 fprintf(debugFP, "%ld >%-6s: %s",
16565 SubtractTimeMarks(&now, &programStartTime),
16566 cps->which, message);
16568 fprintf(serverFP, "%ld >%-6s: %s",
16569 SubtractTimeMarks(&now, &programStartTime),
16570 cps->which, message), fflush(serverFP);
16573 count = strlen(message);
16574 outCount = OutputToProcess(cps->pr, message, count, &error);
16575 if (outCount < count && !exiting
16576 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16577 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16578 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16579 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16580 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16581 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16582 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16583 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16585 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16586 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16587 gameInfo.result = res;
16589 gameInfo.resultDetails = StrSave(buf);
16591 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16592 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16597 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16601 ChessProgramState *cps = (ChessProgramState *)closure;
16603 if (isr != cps->isr) return; /* Killed intentionally */
16606 RemoveInputSource(cps->isr);
16607 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16608 _(cps->which), cps->program);
16609 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16610 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16611 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16612 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16613 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16614 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16616 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16617 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16618 gameInfo.result = res;
16620 gameInfo.resultDetails = StrSave(buf);
16622 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16623 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16625 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16626 _(cps->which), cps->program);
16627 RemoveInputSource(cps->isr);
16629 /* [AS] Program is misbehaving badly... kill it */
16630 if( count == -2 ) {
16631 DestroyChildProcess( cps->pr, 9 );
16635 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16640 if ((end_str = strchr(message, '\r')) != NULL)
16641 *end_str = NULLCHAR;
16642 if ((end_str = strchr(message, '\n')) != NULL)
16643 *end_str = NULLCHAR;
16645 if (appData.debugMode) {
16646 TimeMark now; int print = 1;
16647 char *quote = ""; char c; int i;
16649 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16650 char start = message[0];
16651 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16652 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16653 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16654 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16655 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16656 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16657 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16658 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16659 sscanf(message, "hint: %c", &c)!=1 &&
16660 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16661 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16662 print = (appData.engineComments >= 2);
16664 message[0] = start; // restore original message
16668 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16669 SubtractTimeMarks(&now, &programStartTime), cps->which,
16673 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16674 SubtractTimeMarks(&now, &programStartTime), cps->which,
16676 message), fflush(serverFP);
16680 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16681 if (appData.icsEngineAnalyze) {
16682 if (strstr(message, "whisper") != NULL ||
16683 strstr(message, "kibitz") != NULL ||
16684 strstr(message, "tellics") != NULL) return;
16687 HandleMachineMove(message, cps);
16692 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16697 if( timeControl_2 > 0 ) {
16698 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16699 tc = timeControl_2;
16702 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16703 inc /= cps->timeOdds;
16704 st /= cps->timeOdds;
16706 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16709 /* Set exact time per move, normally using st command */
16710 if (cps->stKludge) {
16711 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16713 if (seconds == 0) {
16714 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16716 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16719 snprintf(buf, MSG_SIZ, "st %d\n", st);
16722 /* Set conventional or incremental time control, using level command */
16723 if (seconds == 0) {
16724 /* Note old gnuchess bug -- minutes:seconds used to not work.
16725 Fixed in later versions, but still avoid :seconds
16726 when seconds is 0. */
16727 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16729 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16730 seconds, inc/1000.);
16733 SendToProgram(buf, cps);
16735 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16736 /* Orthogonally, limit search to given depth */
16738 if (cps->sdKludge) {
16739 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16741 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16743 SendToProgram(buf, cps);
16746 if(cps->nps >= 0) { /* [HGM] nps */
16747 if(cps->supportsNPS == FALSE)
16748 cps->nps = -1; // don't use if engine explicitly says not supported!
16750 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16751 SendToProgram(buf, cps);
16756 ChessProgramState *
16758 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16760 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16761 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16767 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16769 char message[MSG_SIZ];
16772 /* Note: this routine must be called when the clocks are stopped
16773 or when they have *just* been set or switched; otherwise
16774 it will be off by the time since the current tick started.
16776 if (machineWhite) {
16777 time = whiteTimeRemaining / 10;
16778 otime = blackTimeRemaining / 10;
16780 time = blackTimeRemaining / 10;
16781 otime = whiteTimeRemaining / 10;
16783 /* [HGM] translate opponent's time by time-odds factor */
16784 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16786 if (time <= 0) time = 1;
16787 if (otime <= 0) otime = 1;
16789 snprintf(message, MSG_SIZ, "time %ld\n", time);
16790 SendToProgram(message, cps);
16792 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16793 SendToProgram(message, cps);
16797 EngineDefinedVariant (ChessProgramState *cps, int n)
16798 { // return name of n-th unknown variant that engine supports
16799 static char buf[MSG_SIZ];
16800 char *p, *s = cps->variants;
16801 if(!s) return NULL;
16802 do { // parse string from variants feature
16804 p = strchr(s, ',');
16805 if(p) *p = NULLCHAR;
16806 v = StringToVariant(s);
16807 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16808 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16809 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16810 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16811 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16812 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16813 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16816 if(n < 0) return buf;
16822 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16825 int len = strlen(name);
16828 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16830 sscanf(*p, "%d", &val);
16832 while (**p && **p != ' ')
16834 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16835 SendToProgram(buf, cps);
16842 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16845 int len = strlen(name);
16846 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16848 sscanf(*p, "%d", loc);
16849 while (**p && **p != ' ') (*p)++;
16850 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16851 SendToProgram(buf, cps);
16858 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16861 int len = strlen(name);
16862 if (strncmp((*p), name, len) == 0
16863 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16865 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16866 sscanf(*p, "%[^\"]", *loc);
16867 while (**p && **p != '\"') (*p)++;
16868 if (**p == '\"') (*p)++;
16869 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16870 SendToProgram(buf, cps);
16877 ParseOption (Option *opt, ChessProgramState *cps)
16878 // [HGM] options: process the string that defines an engine option, and determine
16879 // name, type, default value, and allowed value range
16881 char *p, *q, buf[MSG_SIZ];
16882 int n, min = (-1)<<31, max = 1<<31, def;
16884 if(p = strstr(opt->name, " -spin ")) {
16885 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16886 if(max < min) max = min; // enforce consistency
16887 if(def < min) def = min;
16888 if(def > max) def = max;
16893 } else if((p = strstr(opt->name, " -slider "))) {
16894 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16895 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16896 if(max < min) max = min; // enforce consistency
16897 if(def < min) def = min;
16898 if(def > max) def = max;
16902 opt->type = Spin; // Slider;
16903 } else if((p = strstr(opt->name, " -string "))) {
16904 opt->textValue = p+9;
16905 opt->type = TextBox;
16906 } else if((p = strstr(opt->name, " -file "))) {
16907 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16908 opt->textValue = p+7;
16909 opt->type = FileName; // FileName;
16910 } else if((p = strstr(opt->name, " -path "))) {
16911 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16912 opt->textValue = p+7;
16913 opt->type = PathName; // PathName;
16914 } else if(p = strstr(opt->name, " -check ")) {
16915 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16916 opt->value = (def != 0);
16917 opt->type = CheckBox;
16918 } else if(p = strstr(opt->name, " -combo ")) {
16919 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16920 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16921 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16922 opt->value = n = 0;
16923 while(q = StrStr(q, " /// ")) {
16924 n++; *q = 0; // count choices, and null-terminate each of them
16926 if(*q == '*') { // remember default, which is marked with * prefix
16930 cps->comboList[cps->comboCnt++] = q;
16932 cps->comboList[cps->comboCnt++] = NULL;
16934 opt->type = ComboBox;
16935 } else if(p = strstr(opt->name, " -button")) {
16936 opt->type = Button;
16937 } else if(p = strstr(opt->name, " -save")) {
16938 opt->type = SaveButton;
16939 } else return FALSE;
16940 *p = 0; // terminate option name
16941 // now look if the command-line options define a setting for this engine option.
16942 if(cps->optionSettings && cps->optionSettings[0])
16943 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16944 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16945 snprintf(buf, MSG_SIZ, "option %s", p);
16946 if(p = strstr(buf, ",")) *p = 0;
16947 if(q = strchr(buf, '=')) switch(opt->type) {
16949 for(n=0; n<opt->max; n++)
16950 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16953 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16957 opt->value = atoi(q+1);
16962 SendToProgram(buf, cps);
16968 FeatureDone (ChessProgramState *cps, int val)
16970 DelayedEventCallback cb = GetDelayedEvent();
16971 if ((cb == InitBackEnd3 && cps == &first) ||
16972 (cb == SettingsMenuIfReady && cps == &second) ||
16973 (cb == LoadEngine) ||
16974 (cb == TwoMachinesEventIfReady)) {
16975 CancelDelayedEvent();
16976 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16978 cps->initDone = val;
16979 if(val) cps->reload = FALSE;
16982 /* Parse feature command from engine */
16984 ParseFeatures (char *args, ChessProgramState *cps)
16992 while (*p == ' ') p++;
16993 if (*p == NULLCHAR) return;
16995 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16996 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16997 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16998 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16999 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17000 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17001 if (BoolFeature(&p, "reuse", &val, cps)) {
17002 /* Engine can disable reuse, but can't enable it if user said no */
17003 if (!val) cps->reuse = FALSE;
17006 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17007 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17008 if (gameMode == TwoMachinesPlay) {
17009 DisplayTwoMachinesTitle();
17015 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17016 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17017 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17018 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17019 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17020 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17021 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17022 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17023 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17024 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17025 if (IntFeature(&p, "done", &val, cps)) {
17026 FeatureDone(cps, val);
17029 /* Added by Tord: */
17030 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17031 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17032 /* End of additions by Tord */
17034 /* [HGM] added features: */
17035 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17036 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17037 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17038 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17039 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17040 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17041 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17042 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17043 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17044 FREE(cps->option[cps->nrOptions].name);
17045 cps->option[cps->nrOptions].name = q; q = NULL;
17046 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17047 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17048 SendToProgram(buf, cps);
17051 if(cps->nrOptions >= MAX_OPTIONS) {
17053 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17054 DisplayError(buf, 0);
17058 /* End of additions by HGM */
17060 /* unknown feature: complain and skip */
17062 while (*q && *q != '=') q++;
17063 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17064 SendToProgram(buf, cps);
17070 while (*p && *p != '\"') p++;
17071 if (*p == '\"') p++;
17073 while (*p && *p != ' ') p++;
17081 PeriodicUpdatesEvent (int newState)
17083 if (newState == appData.periodicUpdates)
17086 appData.periodicUpdates=newState;
17088 /* Display type changes, so update it now */
17089 // DisplayAnalysis();
17091 /* Get the ball rolling again... */
17093 AnalysisPeriodicEvent(1);
17094 StartAnalysisClock();
17099 PonderNextMoveEvent (int newState)
17101 if (newState == appData.ponderNextMove) return;
17102 if (gameMode == EditPosition) EditPositionDone(TRUE);
17104 SendToProgram("hard\n", &first);
17105 if (gameMode == TwoMachinesPlay) {
17106 SendToProgram("hard\n", &second);
17109 SendToProgram("easy\n", &first);
17110 thinkOutput[0] = NULLCHAR;
17111 if (gameMode == TwoMachinesPlay) {
17112 SendToProgram("easy\n", &second);
17115 appData.ponderNextMove = newState;
17119 NewSettingEvent (int option, int *feature, char *command, int value)
17123 if (gameMode == EditPosition) EditPositionDone(TRUE);
17124 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17125 if(feature == NULL || *feature) SendToProgram(buf, &first);
17126 if (gameMode == TwoMachinesPlay) {
17127 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17132 ShowThinkingEvent ()
17133 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17135 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17136 int newState = appData.showThinking
17137 // [HGM] thinking: other features now need thinking output as well
17138 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17140 if (oldState == newState) return;
17141 oldState = newState;
17142 if (gameMode == EditPosition) EditPositionDone(TRUE);
17144 SendToProgram("post\n", &first);
17145 if (gameMode == TwoMachinesPlay) {
17146 SendToProgram("post\n", &second);
17149 SendToProgram("nopost\n", &first);
17150 thinkOutput[0] = NULLCHAR;
17151 if (gameMode == TwoMachinesPlay) {
17152 SendToProgram("nopost\n", &second);
17155 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17159 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17161 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17162 if (pr == NoProc) return;
17163 AskQuestion(title, question, replyPrefix, pr);
17167 TypeInEvent (char firstChar)
17169 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17170 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17171 gameMode == AnalyzeMode || gameMode == EditGame ||
17172 gameMode == EditPosition || gameMode == IcsExamining ||
17173 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17174 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17175 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17176 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17177 gameMode == Training) PopUpMoveDialog(firstChar);
17181 TypeInDoneEvent (char *move)
17184 int n, fromX, fromY, toX, toY;
17186 ChessMove moveType;
17189 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17190 EditPositionPasteFEN(move);
17193 // [HGM] movenum: allow move number to be typed in any mode
17194 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17198 // undocumented kludge: allow command-line option to be typed in!
17199 // (potentially fatal, and does not implement the effect of the option.)
17200 // should only be used for options that are values on which future decisions will be made,
17201 // and definitely not on options that would be used during initialization.
17202 if(strstr(move, "!!! -") == move) {
17203 ParseArgsFromString(move+4);
17207 if (gameMode != EditGame && currentMove != forwardMostMove &&
17208 gameMode != Training) {
17209 DisplayMoveError(_("Displayed move is not current"));
17211 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17212 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17213 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17214 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17215 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17216 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17218 DisplayMoveError(_("Could not parse move"));
17224 DisplayMove (int moveNumber)
17226 char message[MSG_SIZ];
17228 char cpThinkOutput[MSG_SIZ];
17230 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17232 if (moveNumber == forwardMostMove - 1 ||
17233 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17235 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17237 if (strchr(cpThinkOutput, '\n')) {
17238 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17241 *cpThinkOutput = NULLCHAR;
17244 /* [AS] Hide thinking from human user */
17245 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17246 *cpThinkOutput = NULLCHAR;
17247 if( thinkOutput[0] != NULLCHAR ) {
17250 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17251 cpThinkOutput[i] = '.';
17253 cpThinkOutput[i] = NULLCHAR;
17254 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17258 if (moveNumber == forwardMostMove - 1 &&
17259 gameInfo.resultDetails != NULL) {
17260 if (gameInfo.resultDetails[0] == NULLCHAR) {
17261 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17263 snprintf(res, MSG_SIZ, " {%s} %s",
17264 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17270 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17271 DisplayMessage(res, cpThinkOutput);
17273 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17274 WhiteOnMove(moveNumber) ? " " : ".. ",
17275 parseList[moveNumber], res);
17276 DisplayMessage(message, cpThinkOutput);
17281 DisplayComment (int moveNumber, char *text)
17283 char title[MSG_SIZ];
17285 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17286 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17288 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17289 WhiteOnMove(moveNumber) ? " " : ".. ",
17290 parseList[moveNumber]);
17292 if (text != NULL && (appData.autoDisplayComment || commentUp))
17293 CommentPopUp(title, text);
17296 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17297 * might be busy thinking or pondering. It can be omitted if your
17298 * gnuchess is configured to stop thinking immediately on any user
17299 * input. However, that gnuchess feature depends on the FIONREAD
17300 * ioctl, which does not work properly on some flavors of Unix.
17303 Attention (ChessProgramState *cps)
17306 if (!cps->useSigint) return;
17307 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17308 switch (gameMode) {
17309 case MachinePlaysWhite:
17310 case MachinePlaysBlack:
17311 case TwoMachinesPlay:
17312 case IcsPlayingWhite:
17313 case IcsPlayingBlack:
17316 /* Skip if we know it isn't thinking */
17317 if (!cps->maybeThinking) return;
17318 if (appData.debugMode)
17319 fprintf(debugFP, "Interrupting %s\n", cps->which);
17320 InterruptChildProcess(cps->pr);
17321 cps->maybeThinking = FALSE;
17326 #endif /*ATTENTION*/
17332 if (whiteTimeRemaining <= 0) {
17335 if (appData.icsActive) {
17336 if (appData.autoCallFlag &&
17337 gameMode == IcsPlayingBlack && !blackFlag) {
17338 SendToICS(ics_prefix);
17339 SendToICS("flag\n");
17343 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17345 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17346 if (appData.autoCallFlag) {
17347 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17354 if (blackTimeRemaining <= 0) {
17357 if (appData.icsActive) {
17358 if (appData.autoCallFlag &&
17359 gameMode == IcsPlayingWhite && !whiteFlag) {
17360 SendToICS(ics_prefix);
17361 SendToICS("flag\n");
17365 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17367 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17368 if (appData.autoCallFlag) {
17369 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17380 CheckTimeControl ()
17382 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17383 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17386 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17388 if ( !WhiteOnMove(forwardMostMove) ) {
17389 /* White made time control */
17390 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17391 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17392 /* [HGM] time odds: correct new time quota for time odds! */
17393 / WhitePlayer()->timeOdds;
17394 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17396 lastBlack -= blackTimeRemaining;
17397 /* Black made time control */
17398 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17399 / WhitePlayer()->other->timeOdds;
17400 lastWhite = whiteTimeRemaining;
17405 DisplayBothClocks ()
17407 int wom = gameMode == EditPosition ?
17408 !blackPlaysFirst : WhiteOnMove(currentMove);
17409 DisplayWhiteClock(whiteTimeRemaining, wom);
17410 DisplayBlackClock(blackTimeRemaining, !wom);
17414 /* Timekeeping seems to be a portability nightmare. I think everyone
17415 has ftime(), but I'm really not sure, so I'm including some ifdefs
17416 to use other calls if you don't. Clocks will be less accurate if
17417 you have neither ftime nor gettimeofday.
17420 /* VS 2008 requires the #include outside of the function */
17421 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17422 #include <sys/timeb.h>
17425 /* Get the current time as a TimeMark */
17427 GetTimeMark (TimeMark *tm)
17429 #if HAVE_GETTIMEOFDAY
17431 struct timeval timeVal;
17432 struct timezone timeZone;
17434 gettimeofday(&timeVal, &timeZone);
17435 tm->sec = (long) timeVal.tv_sec;
17436 tm->ms = (int) (timeVal.tv_usec / 1000L);
17438 #else /*!HAVE_GETTIMEOFDAY*/
17441 // include <sys/timeb.h> / moved to just above start of function
17442 struct timeb timeB;
17445 tm->sec = (long) timeB.time;
17446 tm->ms = (int) timeB.millitm;
17448 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17449 tm->sec = (long) time(NULL);
17455 /* Return the difference in milliseconds between two
17456 time marks. We assume the difference will fit in a long!
17459 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17461 return 1000L*(tm2->sec - tm1->sec) +
17462 (long) (tm2->ms - tm1->ms);
17467 * Code to manage the game clocks.
17469 * In tournament play, black starts the clock and then white makes a move.
17470 * We give the human user a slight advantage if he is playing white---the
17471 * clocks don't run until he makes his first move, so it takes zero time.
17472 * Also, we don't account for network lag, so we could get out of sync
17473 * with GNU Chess's clock -- but then, referees are always right.
17476 static TimeMark tickStartTM;
17477 static long intendedTickLength;
17480 NextTickLength (long timeRemaining)
17482 long nominalTickLength, nextTickLength;
17484 if (timeRemaining > 0L && timeRemaining <= 10000L)
17485 nominalTickLength = 100L;
17487 nominalTickLength = 1000L;
17488 nextTickLength = timeRemaining % nominalTickLength;
17489 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17491 return nextTickLength;
17494 /* Adjust clock one minute up or down */
17496 AdjustClock (Boolean which, int dir)
17498 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17499 if(which) blackTimeRemaining += 60000*dir;
17500 else whiteTimeRemaining += 60000*dir;
17501 DisplayBothClocks();
17502 adjustedClock = TRUE;
17505 /* Stop clocks and reset to a fresh time control */
17509 (void) StopClockTimer();
17510 if (appData.icsActive) {
17511 whiteTimeRemaining = blackTimeRemaining = 0;
17512 } else if (searchTime) {
17513 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17514 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17515 } else { /* [HGM] correct new time quote for time odds */
17516 whiteTC = blackTC = fullTimeControlString;
17517 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17518 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17520 if (whiteFlag || blackFlag) {
17522 whiteFlag = blackFlag = FALSE;
17524 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17525 DisplayBothClocks();
17526 adjustedClock = FALSE;
17529 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17531 /* Decrement running clock by amount of time that has passed */
17535 long timeRemaining;
17536 long lastTickLength, fudge;
17539 if (!appData.clockMode) return;
17540 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17544 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17546 /* Fudge if we woke up a little too soon */
17547 fudge = intendedTickLength - lastTickLength;
17548 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17550 if (WhiteOnMove(forwardMostMove)) {
17551 if(whiteNPS >= 0) lastTickLength = 0;
17552 timeRemaining = whiteTimeRemaining -= lastTickLength;
17553 if(timeRemaining < 0 && !appData.icsActive) {
17554 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17555 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17556 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17557 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17560 DisplayWhiteClock(whiteTimeRemaining - fudge,
17561 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17563 if(blackNPS >= 0) lastTickLength = 0;
17564 timeRemaining = blackTimeRemaining -= lastTickLength;
17565 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17566 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17568 blackStartMove = forwardMostMove;
17569 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17572 DisplayBlackClock(blackTimeRemaining - fudge,
17573 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17575 if (CheckFlags()) return;
17577 if(twoBoards) { // count down secondary board's clocks as well
17578 activePartnerTime -= lastTickLength;
17580 if(activePartner == 'W')
17581 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17583 DisplayBlackClock(activePartnerTime, TRUE);
17588 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17589 StartClockTimer(intendedTickLength);
17591 /* if the time remaining has fallen below the alarm threshold, sound the
17592 * alarm. if the alarm has sounded and (due to a takeback or time control
17593 * with increment) the time remaining has increased to a level above the
17594 * threshold, reset the alarm so it can sound again.
17597 if (appData.icsActive && appData.icsAlarm) {
17599 /* make sure we are dealing with the user's clock */
17600 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17601 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17604 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17605 alarmSounded = FALSE;
17606 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17608 alarmSounded = TRUE;
17614 /* A player has just moved, so stop the previously running
17615 clock and (if in clock mode) start the other one.
17616 We redisplay both clocks in case we're in ICS mode, because
17617 ICS gives us an update to both clocks after every move.
17618 Note that this routine is called *after* forwardMostMove
17619 is updated, so the last fractional tick must be subtracted
17620 from the color that is *not* on move now.
17623 SwitchClocks (int newMoveNr)
17625 long lastTickLength;
17627 int flagged = FALSE;
17631 if (StopClockTimer() && appData.clockMode) {
17632 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17633 if (!WhiteOnMove(forwardMostMove)) {
17634 if(blackNPS >= 0) lastTickLength = 0;
17635 blackTimeRemaining -= lastTickLength;
17636 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17637 // if(pvInfoList[forwardMostMove].time == -1)
17638 pvInfoList[forwardMostMove].time = // use GUI time
17639 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17641 if(whiteNPS >= 0) lastTickLength = 0;
17642 whiteTimeRemaining -= lastTickLength;
17643 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17644 // if(pvInfoList[forwardMostMove].time == -1)
17645 pvInfoList[forwardMostMove].time =
17646 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17648 flagged = CheckFlags();
17650 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17651 CheckTimeControl();
17653 if (flagged || !appData.clockMode) return;
17655 switch (gameMode) {
17656 case MachinePlaysBlack:
17657 case MachinePlaysWhite:
17658 case BeginningOfGame:
17659 if (pausing) return;
17663 case PlayFromGameFile:
17671 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17672 if(WhiteOnMove(forwardMostMove))
17673 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17674 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17678 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17679 whiteTimeRemaining : blackTimeRemaining);
17680 StartClockTimer(intendedTickLength);
17684 /* Stop both clocks */
17688 long lastTickLength;
17691 if (!StopClockTimer()) return;
17692 if (!appData.clockMode) return;
17696 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17697 if (WhiteOnMove(forwardMostMove)) {
17698 if(whiteNPS >= 0) lastTickLength = 0;
17699 whiteTimeRemaining -= lastTickLength;
17700 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17702 if(blackNPS >= 0) lastTickLength = 0;
17703 blackTimeRemaining -= lastTickLength;
17704 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17709 /* Start clock of player on move. Time may have been reset, so
17710 if clock is already running, stop and restart it. */
17714 (void) StopClockTimer(); /* in case it was running already */
17715 DisplayBothClocks();
17716 if (CheckFlags()) return;
17718 if (!appData.clockMode) return;
17719 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17721 GetTimeMark(&tickStartTM);
17722 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17723 whiteTimeRemaining : blackTimeRemaining);
17725 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17726 whiteNPS = blackNPS = -1;
17727 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17728 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17729 whiteNPS = first.nps;
17730 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17731 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17732 blackNPS = first.nps;
17733 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17734 whiteNPS = second.nps;
17735 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17736 blackNPS = second.nps;
17737 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17739 StartClockTimer(intendedTickLength);
17743 TimeString (long ms)
17745 long second, minute, hour, day;
17747 static char buf[32];
17749 if (ms > 0 && ms <= 9900) {
17750 /* convert milliseconds to tenths, rounding up */
17751 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17753 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17757 /* convert milliseconds to seconds, rounding up */
17758 /* use floating point to avoid strangeness of integer division
17759 with negative dividends on many machines */
17760 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17767 day = second / (60 * 60 * 24);
17768 second = second % (60 * 60 * 24);
17769 hour = second / (60 * 60);
17770 second = second % (60 * 60);
17771 minute = second / 60;
17772 second = second % 60;
17775 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17776 sign, day, hour, minute, second);
17778 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17780 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17787 * This is necessary because some C libraries aren't ANSI C compliant yet.
17790 StrStr (char *string, char *match)
17794 length = strlen(match);
17796 for (i = strlen(string) - length; i >= 0; i--, string++)
17797 if (!strncmp(match, string, length))
17804 StrCaseStr (char *string, char *match)
17808 length = strlen(match);
17810 for (i = strlen(string) - length; i >= 0; i--, string++) {
17811 for (j = 0; j < length; j++) {
17812 if (ToLower(match[j]) != ToLower(string[j]))
17815 if (j == length) return string;
17823 StrCaseCmp (char *s1, char *s2)
17828 c1 = ToLower(*s1++);
17829 c2 = ToLower(*s2++);
17830 if (c1 > c2) return 1;
17831 if (c1 < c2) return -1;
17832 if (c1 == NULLCHAR) return 0;
17840 return isupper(c) ? tolower(c) : c;
17847 return islower(c) ? toupper(c) : c;
17849 #endif /* !_amigados */
17856 if ((ret = (char *) malloc(strlen(s) + 1)))
17858 safeStrCpy(ret, s, strlen(s)+1);
17864 StrSavePtr (char *s, char **savePtr)
17869 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17870 safeStrCpy(*savePtr, s, strlen(s)+1);
17882 clock = time((time_t *)NULL);
17883 tm = localtime(&clock);
17884 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17885 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17886 return StrSave(buf);
17891 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17893 int i, j, fromX, fromY, toX, toY;
17900 whiteToPlay = (gameMode == EditPosition) ?
17901 !blackPlaysFirst : (move % 2 == 0);
17904 /* Piece placement data */
17905 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17906 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17908 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17909 if (boards[move][i][j] == EmptySquare) {
17911 } else { ChessSquare piece = boards[move][i][j];
17912 if (emptycount > 0) {
17913 if(emptycount<10) /* [HGM] can be >= 10 */
17914 *p++ = '0' + emptycount;
17915 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17918 if(PieceToChar(piece) == '+') {
17919 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17921 piece = (ChessSquare)(CHUDEMOTED piece);
17923 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17924 if(*p = PieceSuffix(piece)) p++;
17926 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17927 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17932 if (emptycount > 0) {
17933 if(emptycount<10) /* [HGM] can be >= 10 */
17934 *p++ = '0' + emptycount;
17935 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17942 /* [HGM] print Crazyhouse or Shogi holdings */
17943 if( gameInfo.holdingsWidth ) {
17944 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17946 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17947 piece = boards[move][i][BOARD_WIDTH-1];
17948 if( piece != EmptySquare )
17949 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17950 *p++ = PieceToChar(piece);
17952 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17953 piece = boards[move][BOARD_HEIGHT-i-1][0];
17954 if( piece != EmptySquare )
17955 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17956 *p++ = PieceToChar(piece);
17959 if( q == p ) *p++ = '-';
17965 *p++ = whiteToPlay ? 'w' : 'b';
17968 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17969 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17971 if(nrCastlingRights) {
17972 int handW=0, handB=0;
17973 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
17974 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
17975 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17978 if(appData.fischerCastling) {
17979 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
17980 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
17981 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17983 /* [HGM] write directly from rights */
17984 if(boards[move][CASTLING][2] != NoRights &&
17985 boards[move][CASTLING][0] != NoRights )
17986 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17987 if(boards[move][CASTLING][2] != NoRights &&
17988 boards[move][CASTLING][1] != NoRights )
17989 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17992 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
17993 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17995 if(boards[move][CASTLING][5] != NoRights &&
17996 boards[move][CASTLING][3] != NoRights )
17997 *p++ = boards[move][CASTLING][3] + AAA;
17998 if(boards[move][CASTLING][5] != NoRights &&
17999 boards[move][CASTLING][4] != NoRights )
18000 *p++ = boards[move][CASTLING][4] + AAA;
18004 /* [HGM] write true castling rights */
18005 if( nrCastlingRights == 6 ) {
18007 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
18008 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18009 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
18010 boards[move][CASTLING][2] != NoRights );
18011 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18012 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18013 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18014 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18018 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
18019 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18020 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
18021 boards[move][CASTLING][5] != NoRights );
18023 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18024 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18025 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18030 if (q == p) *p++ = '-'; /* No castling rights */
18034 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18035 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18036 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18037 /* En passant target square */
18038 if (move > backwardMostMove) {
18039 fromX = moveList[move - 1][0] - AAA;
18040 fromY = moveList[move - 1][1] - ONE;
18041 toX = moveList[move - 1][2] - AAA;
18042 toY = moveList[move - 1][3] - ONE;
18043 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18044 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18045 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18047 /* 2-square pawn move just happened */
18049 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18053 } else if(move == backwardMostMove) {
18054 // [HGM] perhaps we should always do it like this, and forget the above?
18055 if((signed char)boards[move][EP_STATUS] >= 0) {
18056 *p++ = boards[move][EP_STATUS] + AAA;
18057 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18069 { int i = 0, j=move;
18071 /* [HGM] find reversible plies */
18072 if (appData.debugMode) { int k;
18073 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18074 for(k=backwardMostMove; k<=forwardMostMove; k++)
18075 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18079 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18080 if( j == backwardMostMove ) i += initialRulePlies;
18081 sprintf(p, "%d ", i);
18082 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18084 /* Fullmove number */
18085 sprintf(p, "%d", (move / 2) + 1);
18086 } else *--p = NULLCHAR;
18088 return StrSave(buf);
18092 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18094 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18096 int emptycount, virgin[BOARD_FILES];
18101 /* Piece placement data */
18102 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18105 if (*p == '/' || *p == ' ' || *p == '[' ) {
18107 emptycount = gameInfo.boardWidth - j;
18108 while (emptycount--)
18109 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18110 if (*p == '/') p++;
18111 else if(autoSize) { // we stumbled unexpectedly into end of board
18112 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18113 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18115 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18118 #if(BOARD_FILES >= 10)*0
18119 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18120 p++; emptycount=10;
18121 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18122 while (emptycount--)
18123 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18125 } else if (*p == '*') {
18126 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18127 } else if (isdigit(*p)) {
18128 emptycount = *p++ - '0';
18129 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18130 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18131 while (emptycount--)
18132 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18133 } else if (*p == '<') {
18134 if(i == BOARD_HEIGHT-1) shuffle = 1;
18135 else if (i != 0 || !shuffle) return FALSE;
18137 } else if (shuffle && *p == '>') {
18138 p++; // for now ignore closing shuffle range, and assume rank-end
18139 } else if (*p == '?') {
18140 if (j >= gameInfo.boardWidth) return FALSE;
18141 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18142 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18143 } else if (*p == '+' || isalpha(*p)) {
18144 char *q, *s = SUFFIXES;
18145 if (j >= gameInfo.boardWidth) return FALSE;
18148 if(q = strchr(s, p[1])) p++;
18149 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18150 if(piece == EmptySquare) return FALSE; /* unknown piece */
18151 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
18152 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18155 if(q = strchr(s, *p)) p++;
18156 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18159 if(piece==EmptySquare) return FALSE; /* unknown piece */
18160 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18161 piece = (ChessSquare) (PROMOTED piece);
18162 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18165 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18166 if(piece == WhiteKing) wKingRank = i;
18167 if(piece == BlackKing) bKingRank = i;
18173 while (*p == '/' || *p == ' ') p++;
18175 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
18177 /* [HGM] by default clear Crazyhouse holdings, if present */
18178 if(gameInfo.holdingsWidth) {
18179 for(i=0; i<BOARD_HEIGHT; i++) {
18180 board[i][0] = EmptySquare; /* black holdings */
18181 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18182 board[i][1] = (ChessSquare) 0; /* black counts */
18183 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18187 /* [HGM] look for Crazyhouse holdings here */
18188 while(*p==' ') p++;
18189 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18190 int swap=0, wcnt=0, bcnt=0;
18192 if(*p == '<') swap++, p++;
18193 if(*p == '-' ) p++; /* empty holdings */ else {
18194 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18195 /* if we would allow FEN reading to set board size, we would */
18196 /* have to add holdings and shift the board read so far here */
18197 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18199 if((int) piece >= (int) BlackPawn ) {
18200 i = (int)piece - (int)BlackPawn;
18201 i = PieceToNumber((ChessSquare)i);
18202 if( i >= gameInfo.holdingsSize ) return FALSE;
18203 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18204 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18207 i = (int)piece - (int)WhitePawn;
18208 i = PieceToNumber((ChessSquare)i);
18209 if( i >= gameInfo.holdingsSize ) return FALSE;
18210 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18211 board[i][BOARD_WIDTH-2]++; /* black holdings */
18215 if(subst) { // substitute back-rank question marks by holdings pieces
18216 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18217 int k, m, n = bcnt + 1;
18218 if(board[0][j] == ClearBoard) {
18219 if(!wcnt) return FALSE;
18221 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18222 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18223 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18227 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18228 if(!bcnt) return FALSE;
18229 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18230 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18231 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18232 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18243 if(subst) return FALSE; // substitution requested, but no holdings
18245 while(*p == ' ') p++;
18249 if(appData.colorNickNames) {
18250 if( c == appData.colorNickNames[0] ) c = 'w'; else
18251 if( c == appData.colorNickNames[1] ) c = 'b';
18255 *blackPlaysFirst = FALSE;
18258 *blackPlaysFirst = TRUE;
18264 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18265 /* return the extra info in global variiables */
18267 while(*p==' ') p++;
18269 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18270 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18271 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18274 /* set defaults in case FEN is incomplete */
18275 board[EP_STATUS] = EP_UNKNOWN;
18276 for(i=0; i<nrCastlingRights; i++ ) {
18277 board[CASTLING][i] =
18278 appData.fischerCastling ? NoRights : initialRights[i];
18279 } /* assume possible unless obviously impossible */
18280 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18281 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18282 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18283 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18284 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18285 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18286 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18287 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18290 if(nrCastlingRights) {
18292 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18293 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18294 /* castling indicator present, so default becomes no castlings */
18295 for(i=0; i<nrCastlingRights; i++ ) {
18296 board[CASTLING][i] = NoRights;
18299 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18300 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18301 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18302 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18303 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18305 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18306 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18307 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18309 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18310 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18311 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18312 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18313 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18314 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18317 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18318 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18319 board[CASTLING][2] = whiteKingFile;
18320 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18321 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18322 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18325 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18326 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18327 board[CASTLING][2] = whiteKingFile;
18328 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18329 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18330 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18333 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18334 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18335 board[CASTLING][5] = blackKingFile;
18336 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18337 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18338 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18341 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18342 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18343 board[CASTLING][5] = blackKingFile;
18344 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18345 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18346 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18349 default: /* FRC castlings */
18350 if(c >= 'a') { /* black rights */
18351 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18352 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18353 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18354 if(i == BOARD_RGHT) break;
18355 board[CASTLING][5] = i;
18357 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18358 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18360 board[CASTLING][3] = c;
18362 board[CASTLING][4] = c;
18363 } else { /* white rights */
18364 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18365 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18366 if(board[0][i] == WhiteKing) break;
18367 if(i == BOARD_RGHT) break;
18368 board[CASTLING][2] = i;
18369 c -= AAA - 'a' + 'A';
18370 if(board[0][c] >= WhiteKing) break;
18372 board[CASTLING][0] = c;
18374 board[CASTLING][1] = c;
18378 for(i=0; i<nrCastlingRights; i++)
18379 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18380 if(gameInfo.variant == VariantSChess)
18381 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18382 if(fischer && shuffle) appData.fischerCastling = TRUE;
18383 if (appData.debugMode) {
18384 fprintf(debugFP, "FEN castling rights:");
18385 for(i=0; i<nrCastlingRights; i++)
18386 fprintf(debugFP, " %d", board[CASTLING][i]);
18387 fprintf(debugFP, "\n");
18390 while(*p==' ') p++;
18393 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18395 /* read e.p. field in games that know e.p. capture */
18396 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18397 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18398 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18400 p++; board[EP_STATUS] = EP_NONE;
18402 char c = *p++ - AAA;
18404 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18405 if(*p >= '0' && *p <='9') p++;
18406 board[EP_STATUS] = c;
18411 if(sscanf(p, "%d", &i) == 1) {
18412 FENrulePlies = i; /* 50-move ply counter */
18413 /* (The move number is still ignored) */
18420 EditPositionPasteFEN (char *fen)
18423 Board initial_position;
18425 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18426 DisplayError(_("Bad FEN position in clipboard"), 0);
18429 int savedBlackPlaysFirst = blackPlaysFirst;
18430 EditPositionEvent();
18431 blackPlaysFirst = savedBlackPlaysFirst;
18432 CopyBoard(boards[0], initial_position);
18433 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18434 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18435 DisplayBothClocks();
18436 DrawPosition(FALSE, boards[currentMove]);
18441 static char cseq[12] = "\\ ";
18444 set_cont_sequence (char *new_seq)
18449 // handle bad attempts to set the sequence
18451 return 0; // acceptable error - no debug
18453 len = strlen(new_seq);
18454 ret = (len > 0) && (len < sizeof(cseq));
18456 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18457 else if (appData.debugMode)
18458 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18463 reformat a source message so words don't cross the width boundary. internal
18464 newlines are not removed. returns the wrapped size (no null character unless
18465 included in source message). If dest is NULL, only calculate the size required
18466 for the dest buffer. lp argument indicats line position upon entry, and it's
18467 passed back upon exit.
18470 wrap (char *dest, char *src, int count, int width, int *lp)
18472 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18474 cseq_len = strlen(cseq);
18475 old_line = line = *lp;
18476 ansi = len = clen = 0;
18478 for (i=0; i < count; i++)
18480 if (src[i] == '\033')
18483 // if we hit the width, back up
18484 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18486 // store i & len in case the word is too long
18487 old_i = i, old_len = len;
18489 // find the end of the last word
18490 while (i && src[i] != ' ' && src[i] != '\n')
18496 // word too long? restore i & len before splitting it
18497 if ((old_i-i+clen) >= width)
18504 if (i && src[i-1] == ' ')
18507 if (src[i] != ' ' && src[i] != '\n')
18514 // now append the newline and continuation sequence
18519 strncpy(dest+len, cseq, cseq_len);
18527 dest[len] = src[i];
18531 if (src[i] == '\n')
18536 if (dest && appData.debugMode)
18538 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18539 count, width, line, len, *lp);
18540 show_bytes(debugFP, src, count);
18541 fprintf(debugFP, "\ndest: ");
18542 show_bytes(debugFP, dest, len);
18543 fprintf(debugFP, "\n");
18545 *lp = dest ? line : old_line;
18550 // [HGM] vari: routines for shelving variations
18551 Boolean modeRestore = FALSE;
18554 PushInner (int firstMove, int lastMove)
18556 int i, j, nrMoves = lastMove - firstMove;
18558 // push current tail of game on stack
18559 savedResult[storedGames] = gameInfo.result;
18560 savedDetails[storedGames] = gameInfo.resultDetails;
18561 gameInfo.resultDetails = NULL;
18562 savedFirst[storedGames] = firstMove;
18563 savedLast [storedGames] = lastMove;
18564 savedFramePtr[storedGames] = framePtr;
18565 framePtr -= nrMoves; // reserve space for the boards
18566 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18567 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18568 for(j=0; j<MOVE_LEN; j++)
18569 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18570 for(j=0; j<2*MOVE_LEN; j++)
18571 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18572 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18573 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18574 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18575 pvInfoList[firstMove+i-1].depth = 0;
18576 commentList[framePtr+i] = commentList[firstMove+i];
18577 commentList[firstMove+i] = NULL;
18581 forwardMostMove = firstMove; // truncate game so we can start variation
18585 PushTail (int firstMove, int lastMove)
18587 if(appData.icsActive) { // only in local mode
18588 forwardMostMove = currentMove; // mimic old ICS behavior
18591 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18593 PushInner(firstMove, lastMove);
18594 if(storedGames == 1) GreyRevert(FALSE);
18595 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18599 PopInner (Boolean annotate)
18602 char buf[8000], moveBuf[20];
18604 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18605 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18606 nrMoves = savedLast[storedGames] - currentMove;
18609 if(!WhiteOnMove(currentMove))
18610 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18611 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18612 for(i=currentMove; i<forwardMostMove; i++) {
18614 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18615 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18616 strcat(buf, moveBuf);
18617 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18618 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18622 for(i=1; i<=nrMoves; i++) { // copy last variation back
18623 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18624 for(j=0; j<MOVE_LEN; j++)
18625 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18626 for(j=0; j<2*MOVE_LEN; j++)
18627 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18628 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18629 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18630 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18631 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18632 commentList[currentMove+i] = commentList[framePtr+i];
18633 commentList[framePtr+i] = NULL;
18635 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18636 framePtr = savedFramePtr[storedGames];
18637 gameInfo.result = savedResult[storedGames];
18638 if(gameInfo.resultDetails != NULL) {
18639 free(gameInfo.resultDetails);
18641 gameInfo.resultDetails = savedDetails[storedGames];
18642 forwardMostMove = currentMove + nrMoves;
18646 PopTail (Boolean annotate)
18648 if(appData.icsActive) return FALSE; // only in local mode
18649 if(!storedGames) return FALSE; // sanity
18650 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18652 PopInner(annotate);
18653 if(currentMove < forwardMostMove) ForwardEvent(); else
18654 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18656 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18662 { // remove all shelved variations
18664 for(i=0; i<storedGames; i++) {
18665 if(savedDetails[i])
18666 free(savedDetails[i]);
18667 savedDetails[i] = NULL;
18669 for(i=framePtr; i<MAX_MOVES; i++) {
18670 if(commentList[i]) free(commentList[i]);
18671 commentList[i] = NULL;
18673 framePtr = MAX_MOVES-1;
18678 LoadVariation (int index, char *text)
18679 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18680 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18681 int level = 0, move;
18683 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18684 // first find outermost bracketing variation
18685 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18686 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18687 if(*p == '{') wait = '}'; else
18688 if(*p == '[') wait = ']'; else
18689 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18690 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18692 if(*p == wait) wait = NULLCHAR; // closing ]} found
18695 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18696 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18697 end[1] = NULLCHAR; // clip off comment beyond variation
18698 ToNrEvent(currentMove-1);
18699 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18700 // kludge: use ParsePV() to append variation to game
18701 move = currentMove;
18702 ParsePV(start, TRUE, TRUE);
18703 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18704 ClearPremoveHighlights();
18706 ToNrEvent(currentMove+1);
18712 char *p, *q, buf[MSG_SIZ];
18713 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18714 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18715 ParseArgsFromString(buf);
18716 ActivateTheme(TRUE); // also redo colors
18720 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18723 q = appData.themeNames;
18724 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18725 if(appData.useBitmaps) {
18726 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18727 appData.liteBackTextureFile, appData.darkBackTextureFile,
18728 appData.liteBackTextureMode,
18729 appData.darkBackTextureMode );
18731 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18732 Col2Text(2), // lightSquareColor
18733 Col2Text(3) ); // darkSquareColor
18735 if(appData.useBorder) {
18736 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18739 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18741 if(appData.useFont) {
18742 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18743 appData.renderPiecesWithFont,
18744 appData.fontToPieceTable,
18745 Col2Text(9), // appData.fontBackColorWhite
18746 Col2Text(10) ); // appData.fontForeColorBlack
18748 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18749 appData.pieceDirectory);
18750 if(!appData.pieceDirectory[0])
18751 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18752 Col2Text(0), // whitePieceColor
18753 Col2Text(1) ); // blackPieceColor
18755 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18756 Col2Text(4), // highlightSquareColor
18757 Col2Text(5) ); // premoveHighlightColor
18758 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18759 if(insert != q) insert[-1] = NULLCHAR;
18760 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18763 ActivateTheme(FALSE);