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]);
1743 CopyBoard(initialPosition, boards[0]);
1746 if (initialMode == AnalyzeMode) {
1747 if (appData.noChessProgram) {
1748 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1751 if (appData.icsActive) {
1752 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1756 } else if (initialMode == AnalyzeFile) {
1757 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1758 ShowThinkingEvent();
1760 AnalysisPeriodicEvent(1);
1761 } else if (initialMode == MachinePlaysWhite) {
1762 if (appData.noChessProgram) {
1763 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1767 if (appData.icsActive) {
1768 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1772 MachineWhiteEvent();
1773 } else if (initialMode == MachinePlaysBlack) {
1774 if (appData.noChessProgram) {
1775 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1779 if (appData.icsActive) {
1780 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1784 MachineBlackEvent();
1785 } else if (initialMode == TwoMachinesPlay) {
1786 if (appData.noChessProgram) {
1787 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1791 if (appData.icsActive) {
1792 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1797 } else if (initialMode == EditGame) {
1799 } else if (initialMode == EditPosition) {
1800 EditPositionEvent();
1801 } else if (initialMode == Training) {
1802 if (*appData.loadGameFile == NULLCHAR) {
1803 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1812 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1814 DisplayBook(current+1);
1816 MoveHistorySet( movelist, first, last, current, pvInfoList );
1818 EvalGraphSet( first, last, current, pvInfoList );
1820 MakeEngineOutputTitle();
1824 * Establish will establish a contact to a remote host.port.
1825 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1826 * used to talk to the host.
1827 * Returns 0 if okay, error code if not.
1834 if (*appData.icsCommPort != NULLCHAR) {
1835 /* Talk to the host through a serial comm port */
1836 return OpenCommPort(appData.icsCommPort, &icsPR);
1838 } else if (*appData.gateway != NULLCHAR) {
1839 if (*appData.remoteShell == NULLCHAR) {
1840 /* Use the rcmd protocol to run telnet program on a gateway host */
1841 snprintf(buf, sizeof(buf), "%s %s %s",
1842 appData.telnetProgram, appData.icsHost, appData.icsPort);
1843 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1846 /* Use the rsh program to run telnet program on a gateway host */
1847 if (*appData.remoteUser == NULLCHAR) {
1848 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1849 appData.gateway, appData.telnetProgram,
1850 appData.icsHost, appData.icsPort);
1852 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1853 appData.remoteShell, appData.gateway,
1854 appData.remoteUser, appData.telnetProgram,
1855 appData.icsHost, appData.icsPort);
1857 return StartChildProcess(buf, "", &icsPR);
1860 } else if (appData.useTelnet) {
1861 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1864 /* TCP socket interface differs somewhat between
1865 Unix and NT; handle details in the front end.
1867 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1872 EscapeExpand (char *p, char *q)
1873 { // [HGM] initstring: routine to shape up string arguments
1874 while(*p++ = *q++) if(p[-1] == '\\')
1876 case 'n': p[-1] = '\n'; break;
1877 case 'r': p[-1] = '\r'; break;
1878 case 't': p[-1] = '\t'; break;
1879 case '\\': p[-1] = '\\'; break;
1880 case 0: *p = 0; return;
1881 default: p[-1] = q[-1]; break;
1886 show_bytes (FILE *fp, char *buf, int count)
1889 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1890 fprintf(fp, "\\%03o", *buf & 0xff);
1899 /* Returns an errno value */
1901 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1903 char buf[8192], *p, *q, *buflim;
1904 int left, newcount, outcount;
1906 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1907 *appData.gateway != NULLCHAR) {
1908 if (appData.debugMode) {
1909 fprintf(debugFP, ">ICS: ");
1910 show_bytes(debugFP, message, count);
1911 fprintf(debugFP, "\n");
1913 return OutputToProcess(pr, message, count, outError);
1916 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1923 if (appData.debugMode) {
1924 fprintf(debugFP, ">ICS: ");
1925 show_bytes(debugFP, buf, newcount);
1926 fprintf(debugFP, "\n");
1928 outcount = OutputToProcess(pr, buf, newcount, outError);
1929 if (outcount < newcount) return -1; /* to be sure */
1936 } else if (((unsigned char) *p) == TN_IAC) {
1937 *q++ = (char) TN_IAC;
1944 if (appData.debugMode) {
1945 fprintf(debugFP, ">ICS: ");
1946 show_bytes(debugFP, buf, newcount);
1947 fprintf(debugFP, "\n");
1949 outcount = OutputToProcess(pr, buf, newcount, outError);
1950 if (outcount < newcount) return -1; /* to be sure */
1955 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1957 int outError, outCount;
1958 static int gotEof = 0;
1961 /* Pass data read from player on to ICS */
1964 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1965 if (outCount < count) {
1966 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1968 if(have_sent_ICS_logon == 2) {
1969 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1970 fprintf(ini, "%s", message);
1971 have_sent_ICS_logon = 3;
1973 have_sent_ICS_logon = 1;
1974 } else if(have_sent_ICS_logon == 3) {
1975 fprintf(ini, "%s", message);
1977 have_sent_ICS_logon = 1;
1979 } else if (count < 0) {
1980 RemoveInputSource(isr);
1981 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1982 } else if (gotEof++ > 0) {
1983 RemoveInputSource(isr);
1984 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1990 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1991 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1992 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1993 SendToICS("date\n");
1994 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1997 /* added routine for printf style output to ics */
1999 ics_printf (char *format, ...)
2001 char buffer[MSG_SIZ];
2004 va_start(args, format);
2005 vsnprintf(buffer, sizeof(buffer), format, args);
2006 buffer[sizeof(buffer)-1] = '\0';
2014 int count, outCount, outError;
2016 if (icsPR == NoProc) return;
2019 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2020 if (outCount < count) {
2021 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2025 /* This is used for sending logon scripts to the ICS. Sending
2026 without a delay causes problems when using timestamp on ICC
2027 (at least on my machine). */
2029 SendToICSDelayed (char *s, long msdelay)
2031 int count, outCount, outError;
2033 if (icsPR == NoProc) return;
2036 if (appData.debugMode) {
2037 fprintf(debugFP, ">ICS: ");
2038 show_bytes(debugFP, s, count);
2039 fprintf(debugFP, "\n");
2041 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2043 if (outCount < count) {
2044 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2049 /* Remove all highlighting escape sequences in s
2050 Also deletes any suffix starting with '('
2053 StripHighlightAndTitle (char *s)
2055 static char retbuf[MSG_SIZ];
2058 while (*s != NULLCHAR) {
2059 while (*s == '\033') {
2060 while (*s != NULLCHAR && !isalpha(*s)) s++;
2061 if (*s != NULLCHAR) s++;
2063 while (*s != NULLCHAR && *s != '\033') {
2064 if (*s == '(' || *s == '[') {
2075 /* Remove all highlighting escape sequences in s */
2077 StripHighlight (char *s)
2079 static char retbuf[MSG_SIZ];
2082 while (*s != NULLCHAR) {
2083 while (*s == '\033') {
2084 while (*s != NULLCHAR && !isalpha(*s)) s++;
2085 if (*s != NULLCHAR) s++;
2087 while (*s != NULLCHAR && *s != '\033') {
2095 char engineVariant[MSG_SIZ];
2096 char *variantNames[] = VARIANT_NAMES;
2098 VariantName (VariantClass v)
2100 if(v == VariantUnknown || *engineVariant) return engineVariant;
2101 return variantNames[v];
2105 /* Identify a variant from the strings the chess servers use or the
2106 PGN Variant tag names we use. */
2108 StringToVariant (char *e)
2112 VariantClass v = VariantNormal;
2113 int i, found = FALSE;
2114 char buf[MSG_SIZ], c;
2119 /* [HGM] skip over optional board-size prefixes */
2120 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2121 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2122 while( *e++ != '_');
2125 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2129 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2130 if (p = StrCaseStr(e, variantNames[i])) {
2131 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2132 v = (VariantClass) i;
2139 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2140 || StrCaseStr(e, "wild/fr")
2141 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2142 v = VariantFischeRandom;
2143 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2144 (i = 1, p = StrCaseStr(e, "w"))) {
2146 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2153 case 0: /* FICS only, actually */
2155 /* Castling legal even if K starts on d-file */
2156 v = VariantWildCastle;
2161 /* Castling illegal even if K & R happen to start in
2162 normal positions. */
2163 v = VariantNoCastle;
2176 /* Castling legal iff K & R start in normal positions */
2182 /* Special wilds for position setup; unclear what to do here */
2183 v = VariantLoadable;
2186 /* Bizarre ICC game */
2187 v = VariantTwoKings;
2190 v = VariantKriegspiel;
2196 v = VariantFischeRandom;
2199 v = VariantCrazyhouse;
2202 v = VariantBughouse;
2208 /* Not quite the same as FICS suicide! */
2209 v = VariantGiveaway;
2215 v = VariantShatranj;
2218 /* Temporary names for future ICC types. The name *will* change in
2219 the next xboard/WinBoard release after ICC defines it. */
2257 v = VariantCapablanca;
2260 v = VariantKnightmate;
2266 v = VariantCylinder;
2272 v = VariantCapaRandom;
2275 v = VariantBerolina;
2287 /* Found "wild" or "w" in the string but no number;
2288 must assume it's normal chess. */
2292 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2293 if( (len >= MSG_SIZ) && appData.debugMode )
2294 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2296 DisplayError(buf, 0);
2302 if (appData.debugMode) {
2303 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2304 e, wnum, VariantName(v));
2309 static int leftover_start = 0, leftover_len = 0;
2310 char star_match[STAR_MATCH_N][MSG_SIZ];
2312 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2313 advance *index beyond it, and set leftover_start to the new value of
2314 *index; else return FALSE. If pattern contains the character '*', it
2315 matches any sequence of characters not containing '\r', '\n', or the
2316 character following the '*' (if any), and the matched sequence(s) are
2317 copied into star_match.
2320 looking_at ( char *buf, int *index, char *pattern)
2322 char *bufp = &buf[*index], *patternp = pattern;
2324 char *matchp = star_match[0];
2327 if (*patternp == NULLCHAR) {
2328 *index = leftover_start = bufp - buf;
2332 if (*bufp == NULLCHAR) return FALSE;
2333 if (*patternp == '*') {
2334 if (*bufp == *(patternp + 1)) {
2336 matchp = star_match[++star_count];
2340 } else if (*bufp == '\n' || *bufp == '\r') {
2342 if (*patternp == NULLCHAR)
2347 *matchp++ = *bufp++;
2351 if (*patternp != *bufp) return FALSE;
2358 SendToPlayer (char *data, int length)
2360 int error, outCount;
2361 outCount = OutputToProcess(NoProc, data, length, &error);
2362 if (outCount < length) {
2363 DisplayFatalError(_("Error writing to display"), error, 1);
2368 PackHolding (char packed[], char *holding)
2378 switch (runlength) {
2389 sprintf(q, "%d", runlength);
2401 /* Telnet protocol requests from the front end */
2403 TelnetRequest (unsigned char ddww, unsigned char option)
2405 unsigned char msg[3];
2406 int outCount, outError;
2408 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2410 if (appData.debugMode) {
2411 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2427 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2436 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2439 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2444 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2446 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2453 if (!appData.icsActive) return;
2454 TelnetRequest(TN_DO, TN_ECHO);
2460 if (!appData.icsActive) return;
2461 TelnetRequest(TN_DONT, TN_ECHO);
2465 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2467 /* put the holdings sent to us by the server on the board holdings area */
2468 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2472 if(gameInfo.holdingsWidth < 2) return;
2473 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2474 return; // prevent overwriting by pre-board holdings
2476 if( (int)lowestPiece >= BlackPawn ) {
2479 holdingsStartRow = BOARD_HEIGHT-1;
2482 holdingsColumn = BOARD_WIDTH-1;
2483 countsColumn = BOARD_WIDTH-2;
2484 holdingsStartRow = 0;
2488 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2489 board[i][holdingsColumn] = EmptySquare;
2490 board[i][countsColumn] = (ChessSquare) 0;
2492 while( (p=*holdings++) != NULLCHAR ) {
2493 piece = CharToPiece( ToUpper(p) );
2494 if(piece == EmptySquare) continue;
2495 /*j = (int) piece - (int) WhitePawn;*/
2496 j = PieceToNumber(piece);
2497 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2498 if(j < 0) continue; /* should not happen */
2499 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2500 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2501 board[holdingsStartRow+j*direction][countsColumn]++;
2507 VariantSwitch (Board board, VariantClass newVariant)
2509 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2510 static Board oldBoard;
2512 startedFromPositionFile = FALSE;
2513 if(gameInfo.variant == newVariant) return;
2515 /* [HGM] This routine is called each time an assignment is made to
2516 * gameInfo.variant during a game, to make sure the board sizes
2517 * are set to match the new variant. If that means adding or deleting
2518 * holdings, we shift the playing board accordingly
2519 * This kludge is needed because in ICS observe mode, we get boards
2520 * of an ongoing game without knowing the variant, and learn about the
2521 * latter only later. This can be because of the move list we requested,
2522 * in which case the game history is refilled from the beginning anyway,
2523 * but also when receiving holdings of a crazyhouse game. In the latter
2524 * case we want to add those holdings to the already received position.
2528 if (appData.debugMode) {
2529 fprintf(debugFP, "Switch board from %s to %s\n",
2530 VariantName(gameInfo.variant), VariantName(newVariant));
2531 setbuf(debugFP, NULL);
2533 shuffleOpenings = 0; /* [HGM] shuffle */
2534 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2538 newWidth = 9; newHeight = 9;
2539 gameInfo.holdingsSize = 7;
2540 case VariantBughouse:
2541 case VariantCrazyhouse:
2542 newHoldingsWidth = 2; break;
2546 newHoldingsWidth = 2;
2547 gameInfo.holdingsSize = 8;
2550 case VariantCapablanca:
2551 case VariantCapaRandom:
2554 newHoldingsWidth = gameInfo.holdingsSize = 0;
2557 if(newWidth != gameInfo.boardWidth ||
2558 newHeight != gameInfo.boardHeight ||
2559 newHoldingsWidth != gameInfo.holdingsWidth ) {
2561 /* shift position to new playing area, if needed */
2562 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2563 for(i=0; i<BOARD_HEIGHT; i++)
2564 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2565 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2567 for(i=0; i<newHeight; i++) {
2568 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2569 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2571 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2572 for(i=0; i<BOARD_HEIGHT; i++)
2573 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2574 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2577 board[HOLDINGS_SET] = 0;
2578 gameInfo.boardWidth = newWidth;
2579 gameInfo.boardHeight = newHeight;
2580 gameInfo.holdingsWidth = newHoldingsWidth;
2581 gameInfo.variant = newVariant;
2582 InitDrawingSizes(-2, 0);
2583 } else gameInfo.variant = newVariant;
2584 CopyBoard(oldBoard, board); // remember correctly formatted board
2585 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2586 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2589 static int loggedOn = FALSE;
2591 /*-- Game start info cache: --*/
2593 char gs_kind[MSG_SIZ];
2594 static char player1Name[128] = "";
2595 static char player2Name[128] = "";
2596 static char cont_seq[] = "\n\\ ";
2597 static int player1Rating = -1;
2598 static int player2Rating = -1;
2599 /*----------------------------*/
2601 ColorClass curColor = ColorNormal;
2602 int suppressKibitz = 0;
2605 Boolean soughtPending = FALSE;
2606 Boolean seekGraphUp;
2607 #define MAX_SEEK_ADS 200
2609 char *seekAdList[MAX_SEEK_ADS];
2610 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2611 float tcList[MAX_SEEK_ADS];
2612 char colorList[MAX_SEEK_ADS];
2613 int nrOfSeekAds = 0;
2614 int minRating = 1010, maxRating = 2800;
2615 int hMargin = 10, vMargin = 20, h, w;
2616 extern int squareSize, lineGap;
2621 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2622 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2623 if(r < minRating+100 && r >=0 ) r = minRating+100;
2624 if(r > maxRating) r = maxRating;
2625 if(tc < 1.f) tc = 1.f;
2626 if(tc > 95.f) tc = 95.f;
2627 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2628 y = ((double)r - minRating)/(maxRating - minRating)
2629 * (h-vMargin-squareSize/8-1) + vMargin;
2630 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2631 if(strstr(seekAdList[i], " u ")) color = 1;
2632 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2633 !strstr(seekAdList[i], "bullet") &&
2634 !strstr(seekAdList[i], "blitz") &&
2635 !strstr(seekAdList[i], "standard") ) color = 2;
2636 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2637 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2641 PlotSingleSeekAd (int i)
2647 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2649 char buf[MSG_SIZ], *ext = "";
2650 VariantClass v = StringToVariant(type);
2651 if(strstr(type, "wild")) {
2652 ext = type + 4; // append wild number
2653 if(v == VariantFischeRandom) type = "chess960"; else
2654 if(v == VariantLoadable) type = "setup"; else
2655 type = VariantName(v);
2657 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2658 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2659 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2660 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2661 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2662 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2663 seekNrList[nrOfSeekAds] = nr;
2664 zList[nrOfSeekAds] = 0;
2665 seekAdList[nrOfSeekAds++] = StrSave(buf);
2666 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2671 EraseSeekDot (int i)
2673 int x = xList[i], y = yList[i], d=squareSize/4, k;
2674 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2675 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2676 // now replot every dot that overlapped
2677 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2678 int xx = xList[k], yy = yList[k];
2679 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2680 DrawSeekDot(xx, yy, colorList[k]);
2685 RemoveSeekAd (int nr)
2688 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2690 if(seekAdList[i]) free(seekAdList[i]);
2691 seekAdList[i] = seekAdList[--nrOfSeekAds];
2692 seekNrList[i] = seekNrList[nrOfSeekAds];
2693 ratingList[i] = ratingList[nrOfSeekAds];
2694 colorList[i] = colorList[nrOfSeekAds];
2695 tcList[i] = tcList[nrOfSeekAds];
2696 xList[i] = xList[nrOfSeekAds];
2697 yList[i] = yList[nrOfSeekAds];
2698 zList[i] = zList[nrOfSeekAds];
2699 seekAdList[nrOfSeekAds] = NULL;
2705 MatchSoughtLine (char *line)
2707 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2708 int nr, base, inc, u=0; char dummy;
2710 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2711 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2713 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2714 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2715 // match: compact and save the line
2716 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2726 if(!seekGraphUp) return FALSE;
2727 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2728 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2730 DrawSeekBackground(0, 0, w, h);
2731 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2732 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2733 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2734 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2736 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2739 snprintf(buf, MSG_SIZ, "%d", i);
2740 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2743 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2744 for(i=1; i<100; i+=(i<10?1:5)) {
2745 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2746 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2747 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2749 snprintf(buf, MSG_SIZ, "%d", i);
2750 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2753 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2758 SeekGraphClick (ClickType click, int x, int y, int moving)
2760 static int lastDown = 0, displayed = 0, lastSecond;
2761 if(y < 0) return FALSE;
2762 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2763 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2764 if(!seekGraphUp) return FALSE;
2765 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2766 DrawPosition(TRUE, NULL);
2769 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2770 if(click == Release || moving) return FALSE;
2772 soughtPending = TRUE;
2773 SendToICS(ics_prefix);
2774 SendToICS("sought\n"); // should this be "sought all"?
2775 } else { // issue challenge based on clicked ad
2776 int dist = 10000; int i, closest = 0, second = 0;
2777 for(i=0; i<nrOfSeekAds; i++) {
2778 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2779 if(d < dist) { dist = d; closest = i; }
2780 second += (d - zList[i] < 120); // count in-range ads
2781 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2785 second = (second > 1);
2786 if(displayed != closest || second != lastSecond) {
2787 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2788 lastSecond = second; displayed = closest;
2790 if(click == Press) {
2791 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2794 } // on press 'hit', only show info
2795 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2796 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2797 SendToICS(ics_prefix);
2799 return TRUE; // let incoming board of started game pop down the graph
2800 } else if(click == Release) { // release 'miss' is ignored
2801 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2802 if(moving == 2) { // right up-click
2803 nrOfSeekAds = 0; // refresh graph
2804 soughtPending = TRUE;
2805 SendToICS(ics_prefix);
2806 SendToICS("sought\n"); // should this be "sought all"?
2809 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2810 // press miss or release hit 'pop down' seek graph
2811 seekGraphUp = FALSE;
2812 DrawPosition(TRUE, NULL);
2818 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2820 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2821 #define STARTED_NONE 0
2822 #define STARTED_MOVES 1
2823 #define STARTED_BOARD 2
2824 #define STARTED_OBSERVE 3
2825 #define STARTED_HOLDINGS 4
2826 #define STARTED_CHATTER 5
2827 #define STARTED_COMMENT 6
2828 #define STARTED_MOVES_NOHIDE 7
2830 static int started = STARTED_NONE;
2831 static char parse[20000];
2832 static int parse_pos = 0;
2833 static char buf[BUF_SIZE + 1];
2834 static int firstTime = TRUE, intfSet = FALSE;
2835 static ColorClass prevColor = ColorNormal;
2836 static int savingComment = FALSE;
2837 static int cmatch = 0; // continuation sequence match
2844 int backup; /* [DM] For zippy color lines */
2846 char talker[MSG_SIZ]; // [HGM] chat
2847 int channel, collective=0;
2849 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2851 if (appData.debugMode) {
2853 fprintf(debugFP, "<ICS: ");
2854 show_bytes(debugFP, data, count);
2855 fprintf(debugFP, "\n");
2859 if (appData.debugMode) { int f = forwardMostMove;
2860 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2861 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2862 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2865 /* If last read ended with a partial line that we couldn't parse,
2866 prepend it to the new read and try again. */
2867 if (leftover_len > 0) {
2868 for (i=0; i<leftover_len; i++)
2869 buf[i] = buf[leftover_start + i];
2872 /* copy new characters into the buffer */
2873 bp = buf + leftover_len;
2874 buf_len=leftover_len;
2875 for (i=0; i<count; i++)
2878 if (data[i] == '\r')
2881 // join lines split by ICS?
2882 if (!appData.noJoin)
2885 Joining just consists of finding matches against the
2886 continuation sequence, and discarding that sequence
2887 if found instead of copying it. So, until a match
2888 fails, there's nothing to do since it might be the
2889 complete sequence, and thus, something we don't want
2892 if (data[i] == cont_seq[cmatch])
2895 if (cmatch == strlen(cont_seq))
2897 cmatch = 0; // complete match. just reset the counter
2900 it's possible for the ICS to not include the space
2901 at the end of the last word, making our [correct]
2902 join operation fuse two separate words. the server
2903 does this when the space occurs at the width setting.
2905 if (!buf_len || buf[buf_len-1] != ' ')
2916 match failed, so we have to copy what matched before
2917 falling through and copying this character. In reality,
2918 this will only ever be just the newline character, but
2919 it doesn't hurt to be precise.
2921 strncpy(bp, cont_seq, cmatch);
2933 buf[buf_len] = NULLCHAR;
2934 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2939 while (i < buf_len) {
2940 /* Deal with part of the TELNET option negotiation
2941 protocol. We refuse to do anything beyond the
2942 defaults, except that we allow the WILL ECHO option,
2943 which ICS uses to turn off password echoing when we are
2944 directly connected to it. We reject this option
2945 if localLineEditing mode is on (always on in xboard)
2946 and we are talking to port 23, which might be a real
2947 telnet server that will try to keep WILL ECHO on permanently.
2949 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2950 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2951 unsigned char option;
2953 switch ((unsigned char) buf[++i]) {
2955 if (appData.debugMode)
2956 fprintf(debugFP, "\n<WILL ");
2957 switch (option = (unsigned char) buf[++i]) {
2959 if (appData.debugMode)
2960 fprintf(debugFP, "ECHO ");
2961 /* Reply only if this is a change, according
2962 to the protocol rules. */
2963 if (remoteEchoOption) break;
2964 if (appData.localLineEditing &&
2965 atoi(appData.icsPort) == TN_PORT) {
2966 TelnetRequest(TN_DONT, TN_ECHO);
2969 TelnetRequest(TN_DO, TN_ECHO);
2970 remoteEchoOption = TRUE;
2974 if (appData.debugMode)
2975 fprintf(debugFP, "%d ", option);
2976 /* Whatever this is, we don't want it. */
2977 TelnetRequest(TN_DONT, option);
2982 if (appData.debugMode)
2983 fprintf(debugFP, "\n<WONT ");
2984 switch (option = (unsigned char) buf[++i]) {
2986 if (appData.debugMode)
2987 fprintf(debugFP, "ECHO ");
2988 /* Reply only if this is a change, according
2989 to the protocol rules. */
2990 if (!remoteEchoOption) break;
2992 TelnetRequest(TN_DONT, TN_ECHO);
2993 remoteEchoOption = FALSE;
2996 if (appData.debugMode)
2997 fprintf(debugFP, "%d ", (unsigned char) option);
2998 /* Whatever this is, it must already be turned
2999 off, because we never agree to turn on
3000 anything non-default, so according to the
3001 protocol rules, we don't reply. */
3006 if (appData.debugMode)
3007 fprintf(debugFP, "\n<DO ");
3008 switch (option = (unsigned char) buf[++i]) {
3010 /* Whatever this is, we refuse to do it. */
3011 if (appData.debugMode)
3012 fprintf(debugFP, "%d ", option);
3013 TelnetRequest(TN_WONT, option);
3018 if (appData.debugMode)
3019 fprintf(debugFP, "\n<DONT ");
3020 switch (option = (unsigned char) buf[++i]) {
3022 if (appData.debugMode)
3023 fprintf(debugFP, "%d ", option);
3024 /* Whatever this is, we are already not doing
3025 it, because we never agree to do anything
3026 non-default, so according to the protocol
3027 rules, we don't reply. */
3032 if (appData.debugMode)
3033 fprintf(debugFP, "\n<IAC ");
3034 /* Doubled IAC; pass it through */
3038 if (appData.debugMode)
3039 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3040 /* Drop all other telnet commands on the floor */
3043 if (oldi > next_out)
3044 SendToPlayer(&buf[next_out], oldi - next_out);
3050 /* OK, this at least will *usually* work */
3051 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3055 if (loggedOn && !intfSet) {
3056 if (ics_type == ICS_ICC) {
3057 snprintf(str, MSG_SIZ,
3058 "/set-quietly interface %s\n/set-quietly style 12\n",
3060 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3061 strcat(str, "/set-2 51 1\n/set seek 1\n");
3062 } else if (ics_type == ICS_CHESSNET) {
3063 snprintf(str, MSG_SIZ, "/style 12\n");
3065 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3066 strcat(str, programVersion);
3067 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3068 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3069 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3071 strcat(str, "$iset nohighlight 1\n");
3073 strcat(str, "$iset lock 1\n$style 12\n");
3076 NotifyFrontendLogin();
3080 if (started == STARTED_COMMENT) {
3081 /* Accumulate characters in comment */
3082 parse[parse_pos++] = buf[i];
3083 if (buf[i] == '\n') {
3084 parse[parse_pos] = NULLCHAR;
3085 if(chattingPartner>=0) {
3087 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3088 OutputChatMessage(chattingPartner, mess);
3089 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3091 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3092 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3093 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3094 OutputChatMessage(p, mess);
3098 chattingPartner = -1;
3099 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3102 if(!suppressKibitz) // [HGM] kibitz
3103 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3104 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3105 int nrDigit = 0, nrAlph = 0, j;
3106 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3107 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3108 parse[parse_pos] = NULLCHAR;
3109 // try to be smart: if it does not look like search info, it should go to
3110 // ICS interaction window after all, not to engine-output window.
3111 for(j=0; j<parse_pos; j++) { // count letters and digits
3112 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3113 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3114 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3116 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3117 int depth=0; float score;
3118 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3119 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3120 pvInfoList[forwardMostMove-1].depth = depth;
3121 pvInfoList[forwardMostMove-1].score = 100*score;
3123 OutputKibitz(suppressKibitz, parse);
3126 if(gameMode == IcsObserving) // restore original ICS messages
3127 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3128 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3130 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3131 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3132 SendToPlayer(tmp, strlen(tmp));
3134 next_out = i+1; // [HGM] suppress printing in ICS window
3136 started = STARTED_NONE;
3138 /* Don't match patterns against characters in comment */
3143 if (started == STARTED_CHATTER) {
3144 if (buf[i] != '\n') {
3145 /* Don't match patterns against characters in chatter */
3149 started = STARTED_NONE;
3150 if(suppressKibitz) next_out = i+1;
3153 /* Kludge to deal with rcmd protocol */
3154 if (firstTime && looking_at(buf, &i, "\001*")) {
3155 DisplayFatalError(&buf[1], 0, 1);
3161 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3164 if (appData.debugMode)
3165 fprintf(debugFP, "ics_type %d\n", ics_type);
3168 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3169 ics_type = ICS_FICS;
3171 if (appData.debugMode)
3172 fprintf(debugFP, "ics_type %d\n", ics_type);
3175 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3176 ics_type = ICS_CHESSNET;
3178 if (appData.debugMode)
3179 fprintf(debugFP, "ics_type %d\n", ics_type);
3184 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3185 looking_at(buf, &i, "Logging you in as \"*\"") ||
3186 looking_at(buf, &i, "will be \"*\""))) {
3187 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3191 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3193 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3194 DisplayIcsInteractionTitle(buf);
3195 have_set_title = TRUE;
3198 /* skip finger notes */
3199 if (started == STARTED_NONE &&
3200 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3201 (buf[i] == '1' && buf[i+1] == '0')) &&
3202 buf[i+2] == ':' && buf[i+3] == ' ') {
3203 started = STARTED_CHATTER;
3209 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3210 if(appData.seekGraph) {
3211 if(soughtPending && MatchSoughtLine(buf+i)) {
3212 i = strstr(buf+i, "rated") - buf;
3213 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3214 next_out = leftover_start = i;
3215 started = STARTED_CHATTER;
3216 suppressKibitz = TRUE;
3219 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3220 && looking_at(buf, &i, "* ads displayed")) {
3221 soughtPending = FALSE;
3226 if(appData.autoRefresh) {
3227 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3228 int s = (ics_type == ICS_ICC); // ICC format differs
3230 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3231 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3232 looking_at(buf, &i, "*% "); // eat prompt
3233 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3234 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3235 next_out = i; // suppress
3238 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3239 char *p = star_match[0];
3241 if(seekGraphUp) RemoveSeekAd(atoi(p));
3242 while(*p && *p++ != ' '); // next
3244 looking_at(buf, &i, "*% "); // eat prompt
3245 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3252 /* skip formula vars */
3253 if (started == STARTED_NONE &&
3254 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3255 started = STARTED_CHATTER;
3260 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3261 if (appData.autoKibitz && started == STARTED_NONE &&
3262 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3263 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3264 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3265 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3266 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3267 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3268 suppressKibitz = TRUE;
3269 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3271 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3272 && (gameMode == IcsPlayingWhite)) ||
3273 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3274 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3275 started = STARTED_CHATTER; // own kibitz we simply discard
3277 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3278 parse_pos = 0; parse[0] = NULLCHAR;
3279 savingComment = TRUE;
3280 suppressKibitz = gameMode != IcsObserving ? 2 :
3281 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3285 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3286 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3287 && atoi(star_match[0])) {
3288 // suppress the acknowledgements of our own autoKibitz
3290 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3291 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3292 SendToPlayer(star_match[0], strlen(star_match[0]));
3293 if(looking_at(buf, &i, "*% ")) // eat prompt
3294 suppressKibitz = FALSE;
3298 } // [HGM] kibitz: end of patch
3300 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3302 // [HGM] chat: intercept tells by users for which we have an open chat window
3304 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3305 looking_at(buf, &i, "* whispers:") ||
3306 looking_at(buf, &i, "* kibitzes:") ||
3307 looking_at(buf, &i, "* shouts:") ||
3308 looking_at(buf, &i, "* c-shouts:") ||
3309 looking_at(buf, &i, "--> * ") ||
3310 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3311 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3312 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3313 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3315 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3316 chattingPartner = -1; collective = 0;
3318 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3319 for(p=0; p<MAX_CHAT; p++) {
3321 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3322 talker[0] = '['; strcat(talker, "] ");
3323 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3324 chattingPartner = p; break;
3327 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3328 for(p=0; p<MAX_CHAT; p++) {
3330 if(!strcmp("kibitzes", chatPartner[p])) {
3331 talker[0] = '['; strcat(talker, "] ");
3332 chattingPartner = p; break;
3335 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3336 for(p=0; p<MAX_CHAT; p++) {
3338 if(!strcmp("whispers", chatPartner[p])) {
3339 talker[0] = '['; strcat(talker, "] ");
3340 chattingPartner = p; break;
3343 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3344 if(buf[i-8] == '-' && buf[i-3] == 't')
3345 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3347 if(!strcmp("c-shouts", chatPartner[p])) {
3348 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3349 chattingPartner = p; break;
3352 if(chattingPartner < 0)
3353 for(p=0; p<MAX_CHAT; p++) {
3355 if(!strcmp("shouts", chatPartner[p])) {
3356 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3357 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3358 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3359 chattingPartner = p; break;
3363 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3364 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3366 Colorize(ColorTell, FALSE);
3367 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3369 chattingPartner = p; break;
3371 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3372 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3373 started = STARTED_COMMENT;
3374 parse_pos = 0; parse[0] = NULLCHAR;
3375 savingComment = 3 + chattingPartner; // counts as TRUE
3376 if(collective == 3) i = oldi; else {
3377 suppressKibitz = TRUE;
3378 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3379 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3383 } // [HGM] chat: end of patch
3386 if (appData.zippyTalk || appData.zippyPlay) {
3387 /* [DM] Backup address for color zippy lines */
3389 if (loggedOn == TRUE)
3390 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3391 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3393 } // [DM] 'else { ' deleted
3395 /* Regular tells and says */
3396 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3397 looking_at(buf, &i, "* (your partner) tells you: ") ||
3398 looking_at(buf, &i, "* says: ") ||
3399 /* Don't color "message" or "messages" output */
3400 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3401 looking_at(buf, &i, "*. * at *:*: ") ||
3402 looking_at(buf, &i, "--* (*:*): ") ||
3403 /* Message notifications (same color as tells) */
3404 looking_at(buf, &i, "* has left a message ") ||
3405 looking_at(buf, &i, "* just sent you a message:\n") ||
3406 /* Whispers and kibitzes */
3407 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3408 looking_at(buf, &i, "* kibitzes: ") ||
3410 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3412 if (tkind == 1 && strchr(star_match[0], ':')) {
3413 /* Avoid "tells you:" spoofs in channels */
3416 if (star_match[0][0] == NULLCHAR ||
3417 strchr(star_match[0], ' ') ||
3418 (tkind == 3 && strchr(star_match[1], ' '))) {
3419 /* Reject bogus matches */
3422 if (appData.colorize) {
3423 if (oldi > next_out) {
3424 SendToPlayer(&buf[next_out], oldi - next_out);
3429 Colorize(ColorTell, FALSE);
3430 curColor = ColorTell;
3433 Colorize(ColorKibitz, FALSE);
3434 curColor = ColorKibitz;
3437 p = strrchr(star_match[1], '(');
3444 Colorize(ColorChannel1, FALSE);
3445 curColor = ColorChannel1;
3447 Colorize(ColorChannel, FALSE);
3448 curColor = ColorChannel;
3452 curColor = ColorNormal;
3456 if (started == STARTED_NONE && appData.autoComment &&
3457 (gameMode == IcsObserving ||
3458 gameMode == IcsPlayingWhite ||
3459 gameMode == IcsPlayingBlack)) {
3460 parse_pos = i - oldi;
3461 memcpy(parse, &buf[oldi], parse_pos);
3462 parse[parse_pos] = NULLCHAR;
3463 started = STARTED_COMMENT;
3464 savingComment = TRUE;
3465 } else if(collective != 3) {
3466 started = STARTED_CHATTER;
3467 savingComment = FALSE;
3474 if (looking_at(buf, &i, "* s-shouts: ") ||
3475 looking_at(buf, &i, "* c-shouts: ")) {
3476 if (appData.colorize) {
3477 if (oldi > next_out) {
3478 SendToPlayer(&buf[next_out], oldi - next_out);
3481 Colorize(ColorSShout, FALSE);
3482 curColor = ColorSShout;
3485 started = STARTED_CHATTER;
3489 if (looking_at(buf, &i, "--->")) {
3494 if (looking_at(buf, &i, "* shouts: ") ||
3495 looking_at(buf, &i, "--> ")) {
3496 if (appData.colorize) {
3497 if (oldi > next_out) {
3498 SendToPlayer(&buf[next_out], oldi - next_out);
3501 Colorize(ColorShout, FALSE);
3502 curColor = ColorShout;
3505 started = STARTED_CHATTER;
3509 if (looking_at( buf, &i, "Challenge:")) {
3510 if (appData.colorize) {
3511 if (oldi > next_out) {
3512 SendToPlayer(&buf[next_out], oldi - next_out);
3515 Colorize(ColorChallenge, FALSE);
3516 curColor = ColorChallenge;
3522 if (looking_at(buf, &i, "* offers you") ||
3523 looking_at(buf, &i, "* offers to be") ||
3524 looking_at(buf, &i, "* would like to") ||
3525 looking_at(buf, &i, "* requests to") ||
3526 looking_at(buf, &i, "Your opponent offers") ||
3527 looking_at(buf, &i, "Your opponent requests")) {
3529 if (appData.colorize) {
3530 if (oldi > next_out) {
3531 SendToPlayer(&buf[next_out], oldi - next_out);
3534 Colorize(ColorRequest, FALSE);
3535 curColor = ColorRequest;
3540 if (looking_at(buf, &i, "* (*) seeking")) {
3541 if (appData.colorize) {
3542 if (oldi > next_out) {
3543 SendToPlayer(&buf[next_out], oldi - next_out);
3546 Colorize(ColorSeek, FALSE);
3547 curColor = ColorSeek;
3552 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3554 if (looking_at(buf, &i, "\\ ")) {
3555 if (prevColor != ColorNormal) {
3556 if (oldi > next_out) {
3557 SendToPlayer(&buf[next_out], oldi - next_out);
3560 Colorize(prevColor, TRUE);
3561 curColor = prevColor;
3563 if (savingComment) {
3564 parse_pos = i - oldi;
3565 memcpy(parse, &buf[oldi], parse_pos);
3566 parse[parse_pos] = NULLCHAR;
3567 started = STARTED_COMMENT;
3568 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3569 chattingPartner = savingComment - 3; // kludge to remember the box
3571 started = STARTED_CHATTER;
3576 if (looking_at(buf, &i, "Black Strength :") ||
3577 looking_at(buf, &i, "<<< style 10 board >>>") ||
3578 looking_at(buf, &i, "<10>") ||
3579 looking_at(buf, &i, "#@#")) {
3580 /* Wrong board style */
3582 SendToICS(ics_prefix);
3583 SendToICS("set style 12\n");
3584 SendToICS(ics_prefix);
3585 SendToICS("refresh\n");
3589 if (looking_at(buf, &i, "login:")) {
3590 if (!have_sent_ICS_logon) {
3592 have_sent_ICS_logon = 1;
3593 else // no init script was found
3594 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3595 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3596 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3601 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3602 (looking_at(buf, &i, "\n<12> ") ||
3603 looking_at(buf, &i, "<12> "))) {
3605 if (oldi > next_out) {
3606 SendToPlayer(&buf[next_out], oldi - next_out);
3609 started = STARTED_BOARD;
3614 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3615 looking_at(buf, &i, "<b1> ")) {
3616 if (oldi > next_out) {
3617 SendToPlayer(&buf[next_out], oldi - next_out);
3620 started = STARTED_HOLDINGS;
3625 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3627 /* Header for a move list -- first line */
3629 switch (ics_getting_history) {
3633 case BeginningOfGame:
3634 /* User typed "moves" or "oldmoves" while we
3635 were idle. Pretend we asked for these
3636 moves and soak them up so user can step
3637 through them and/or save them.
3640 gameMode = IcsObserving;
3643 ics_getting_history = H_GOT_UNREQ_HEADER;
3645 case EditGame: /*?*/
3646 case EditPosition: /*?*/
3647 /* Should above feature work in these modes too? */
3648 /* For now it doesn't */
3649 ics_getting_history = H_GOT_UNWANTED_HEADER;
3652 ics_getting_history = H_GOT_UNWANTED_HEADER;
3657 /* Is this the right one? */
3658 if (gameInfo.white && gameInfo.black &&
3659 strcmp(gameInfo.white, star_match[0]) == 0 &&
3660 strcmp(gameInfo.black, star_match[2]) == 0) {
3662 ics_getting_history = H_GOT_REQ_HEADER;
3665 case H_GOT_REQ_HEADER:
3666 case H_GOT_UNREQ_HEADER:
3667 case H_GOT_UNWANTED_HEADER:
3668 case H_GETTING_MOVES:
3669 /* Should not happen */
3670 DisplayError(_("Error gathering move list: two headers"), 0);
3671 ics_getting_history = H_FALSE;
3675 /* Save player ratings into gameInfo if needed */
3676 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3677 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3678 (gameInfo.whiteRating == -1 ||
3679 gameInfo.blackRating == -1)) {
3681 gameInfo.whiteRating = string_to_rating(star_match[1]);
3682 gameInfo.blackRating = string_to_rating(star_match[3]);
3683 if (appData.debugMode)
3684 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3685 gameInfo.whiteRating, gameInfo.blackRating);
3690 if (looking_at(buf, &i,
3691 "* * match, initial time: * minute*, increment: * second")) {
3692 /* Header for a move list -- second line */
3693 /* Initial board will follow if this is a wild game */
3694 if (gameInfo.event != NULL) free(gameInfo.event);
3695 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3696 gameInfo.event = StrSave(str);
3697 /* [HGM] we switched variant. Translate boards if needed. */
3698 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3702 if (looking_at(buf, &i, "Move ")) {
3703 /* Beginning of a move list */
3704 switch (ics_getting_history) {
3706 /* Normally should not happen */
3707 /* Maybe user hit reset while we were parsing */
3710 /* Happens if we are ignoring a move list that is not
3711 * the one we just requested. Common if the user
3712 * tries to observe two games without turning off
3715 case H_GETTING_MOVES:
3716 /* Should not happen */
3717 DisplayError(_("Error gathering move list: nested"), 0);
3718 ics_getting_history = H_FALSE;
3720 case H_GOT_REQ_HEADER:
3721 ics_getting_history = H_GETTING_MOVES;
3722 started = STARTED_MOVES;
3724 if (oldi > next_out) {
3725 SendToPlayer(&buf[next_out], oldi - next_out);
3728 case H_GOT_UNREQ_HEADER:
3729 ics_getting_history = H_GETTING_MOVES;
3730 started = STARTED_MOVES_NOHIDE;
3733 case H_GOT_UNWANTED_HEADER:
3734 ics_getting_history = H_FALSE;
3740 if (looking_at(buf, &i, "% ") ||
3741 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3742 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3743 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3744 soughtPending = FALSE;
3748 if(suppressKibitz) next_out = i;
3749 savingComment = FALSE;
3753 case STARTED_MOVES_NOHIDE:
3754 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3755 parse[parse_pos + i - oldi] = NULLCHAR;
3756 ParseGameHistory(parse);
3758 if (appData.zippyPlay && first.initDone) {
3759 FeedMovesToProgram(&first, forwardMostMove);
3760 if (gameMode == IcsPlayingWhite) {
3761 if (WhiteOnMove(forwardMostMove)) {
3762 if (first.sendTime) {
3763 if (first.useColors) {
3764 SendToProgram("black\n", &first);
3766 SendTimeRemaining(&first, TRUE);
3768 if (first.useColors) {
3769 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3771 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3772 first.maybeThinking = TRUE;
3774 if (first.usePlayother) {
3775 if (first.sendTime) {
3776 SendTimeRemaining(&first, TRUE);
3778 SendToProgram("playother\n", &first);
3784 } else if (gameMode == IcsPlayingBlack) {
3785 if (!WhiteOnMove(forwardMostMove)) {
3786 if (first.sendTime) {
3787 if (first.useColors) {
3788 SendToProgram("white\n", &first);
3790 SendTimeRemaining(&first, FALSE);
3792 if (first.useColors) {
3793 SendToProgram("black\n", &first);
3795 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3796 first.maybeThinking = TRUE;
3798 if (first.usePlayother) {
3799 if (first.sendTime) {
3800 SendTimeRemaining(&first, FALSE);
3802 SendToProgram("playother\n", &first);
3811 if (gameMode == IcsObserving && ics_gamenum == -1) {
3812 /* Moves came from oldmoves or moves command
3813 while we weren't doing anything else.
3815 currentMove = forwardMostMove;
3816 ClearHighlights();/*!!could figure this out*/
3817 flipView = appData.flipView;
3818 DrawPosition(TRUE, boards[currentMove]);
3819 DisplayBothClocks();
3820 snprintf(str, MSG_SIZ, "%s %s %s",
3821 gameInfo.white, _("vs."), gameInfo.black);
3825 /* Moves were history of an active game */
3826 if (gameInfo.resultDetails != NULL) {
3827 free(gameInfo.resultDetails);
3828 gameInfo.resultDetails = NULL;
3831 HistorySet(parseList, backwardMostMove,
3832 forwardMostMove, currentMove-1);
3833 DisplayMove(currentMove - 1);
3834 if (started == STARTED_MOVES) next_out = i;
3835 started = STARTED_NONE;
3836 ics_getting_history = H_FALSE;
3839 case STARTED_OBSERVE:
3840 started = STARTED_NONE;
3841 SendToICS(ics_prefix);
3842 SendToICS("refresh\n");
3848 if(bookHit) { // [HGM] book: simulate book reply
3849 static char bookMove[MSG_SIZ]; // a bit generous?
3851 programStats.nodes = programStats.depth = programStats.time =
3852 programStats.score = programStats.got_only_move = 0;
3853 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3855 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3856 strcat(bookMove, bookHit);
3857 HandleMachineMove(bookMove, &first);
3862 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3863 started == STARTED_HOLDINGS ||
3864 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3865 /* Accumulate characters in move list or board */
3866 parse[parse_pos++] = buf[i];
3869 /* Start of game messages. Mostly we detect start of game
3870 when the first board image arrives. On some versions
3871 of the ICS, though, we need to do a "refresh" after starting
3872 to observe in order to get the current board right away. */
3873 if (looking_at(buf, &i, "Adding game * to observation list")) {
3874 started = STARTED_OBSERVE;
3878 /* Handle auto-observe */
3879 if (appData.autoObserve &&
3880 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3881 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3883 /* Choose the player that was highlighted, if any. */
3884 if (star_match[0][0] == '\033' ||
3885 star_match[1][0] != '\033') {
3886 player = star_match[0];
3888 player = star_match[2];
3890 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3891 ics_prefix, StripHighlightAndTitle(player));
3894 /* Save ratings from notify string */
3895 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3896 player1Rating = string_to_rating(star_match[1]);
3897 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3898 player2Rating = string_to_rating(star_match[3]);
3900 if (appData.debugMode)
3902 "Ratings from 'Game notification:' %s %d, %s %d\n",
3903 player1Name, player1Rating,
3904 player2Name, player2Rating);
3909 /* Deal with automatic examine mode after a game,
3910 and with IcsObserving -> IcsExamining transition */
3911 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3912 looking_at(buf, &i, "has made you an examiner of game *")) {
3914 int gamenum = atoi(star_match[0]);
3915 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3916 gamenum == ics_gamenum) {
3917 /* We were already playing or observing this game;
3918 no need to refetch history */
3919 gameMode = IcsExamining;
3921 pauseExamForwardMostMove = forwardMostMove;
3922 } else if (currentMove < forwardMostMove) {
3923 ForwardInner(forwardMostMove);
3926 /* I don't think this case really can happen */
3927 SendToICS(ics_prefix);
3928 SendToICS("refresh\n");
3933 /* Error messages */
3934 // if (ics_user_moved) {
3935 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3936 if (looking_at(buf, &i, "Illegal move") ||
3937 looking_at(buf, &i, "Not a legal move") ||
3938 looking_at(buf, &i, "Your king is in check") ||
3939 looking_at(buf, &i, "It isn't your turn") ||
3940 looking_at(buf, &i, "It is not your move")) {
3942 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3943 currentMove = forwardMostMove-1;
3944 DisplayMove(currentMove - 1); /* before DMError */
3945 DrawPosition(FALSE, boards[currentMove]);
3946 SwitchClocks(forwardMostMove-1); // [HGM] race
3947 DisplayBothClocks();
3949 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3955 if (looking_at(buf, &i, "still have time") ||
3956 looking_at(buf, &i, "not out of time") ||
3957 looking_at(buf, &i, "either player is out of time") ||
3958 looking_at(buf, &i, "has timeseal; checking")) {
3959 /* We must have called his flag a little too soon */
3960 whiteFlag = blackFlag = FALSE;
3964 if (looking_at(buf, &i, "added * seconds to") ||
3965 looking_at(buf, &i, "seconds were added to")) {
3966 /* Update the clocks */
3967 SendToICS(ics_prefix);
3968 SendToICS("refresh\n");
3972 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3973 ics_clock_paused = TRUE;
3978 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3979 ics_clock_paused = FALSE;
3984 /* Grab player ratings from the Creating: message.
3985 Note we have to check for the special case when
3986 the ICS inserts things like [white] or [black]. */
3987 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3988 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3990 0 player 1 name (not necessarily white)
3992 2 empty, white, or black (IGNORED)
3993 3 player 2 name (not necessarily black)
3996 The names/ratings are sorted out when the game
3997 actually starts (below).
3999 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4000 player1Rating = string_to_rating(star_match[1]);
4001 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4002 player2Rating = string_to_rating(star_match[4]);
4004 if (appData.debugMode)
4006 "Ratings from 'Creating:' %s %d, %s %d\n",
4007 player1Name, player1Rating,
4008 player2Name, player2Rating);
4013 /* Improved generic start/end-of-game messages */
4014 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4015 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4016 /* If tkind == 0: */
4017 /* star_match[0] is the game number */
4018 /* [1] is the white player's name */
4019 /* [2] is the black player's name */
4020 /* For end-of-game: */
4021 /* [3] is the reason for the game end */
4022 /* [4] is a PGN end game-token, preceded by " " */
4023 /* For start-of-game: */
4024 /* [3] begins with "Creating" or "Continuing" */
4025 /* [4] is " *" or empty (don't care). */
4026 int gamenum = atoi(star_match[0]);
4027 char *whitename, *blackname, *why, *endtoken;
4028 ChessMove endtype = EndOfFile;
4031 whitename = star_match[1];
4032 blackname = star_match[2];
4033 why = star_match[3];
4034 endtoken = star_match[4];
4036 whitename = star_match[1];
4037 blackname = star_match[3];
4038 why = star_match[5];
4039 endtoken = star_match[6];
4042 /* Game start messages */
4043 if (strncmp(why, "Creating ", 9) == 0 ||
4044 strncmp(why, "Continuing ", 11) == 0) {
4045 gs_gamenum = gamenum;
4046 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4047 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4048 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4050 if (appData.zippyPlay) {
4051 ZippyGameStart(whitename, blackname);
4054 partnerBoardValid = FALSE; // [HGM] bughouse
4058 /* Game end messages */
4059 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4060 ics_gamenum != gamenum) {
4063 while (endtoken[0] == ' ') endtoken++;
4064 switch (endtoken[0]) {
4067 endtype = GameUnfinished;
4070 endtype = BlackWins;
4073 if (endtoken[1] == '/')
4074 endtype = GameIsDrawn;
4076 endtype = WhiteWins;
4079 GameEnds(endtype, why, GE_ICS);
4081 if (appData.zippyPlay && first.initDone) {
4082 ZippyGameEnd(endtype, why);
4083 if (first.pr == NoProc) {
4084 /* Start the next process early so that we'll
4085 be ready for the next challenge */
4086 StartChessProgram(&first);
4088 /* Send "new" early, in case this command takes
4089 a long time to finish, so that we'll be ready
4090 for the next challenge. */
4091 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4095 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4099 if (looking_at(buf, &i, "Removing game * from observation") ||
4100 looking_at(buf, &i, "no longer observing game *") ||
4101 looking_at(buf, &i, "Game * (*) has no examiners")) {
4102 if (gameMode == IcsObserving &&
4103 atoi(star_match[0]) == ics_gamenum)
4105 /* icsEngineAnalyze */
4106 if (appData.icsEngineAnalyze) {
4113 ics_user_moved = FALSE;
4118 if (looking_at(buf, &i, "no longer examining game *")) {
4119 if (gameMode == IcsExamining &&
4120 atoi(star_match[0]) == ics_gamenum)
4124 ics_user_moved = FALSE;
4129 /* Advance leftover_start past any newlines we find,
4130 so only partial lines can get reparsed */
4131 if (looking_at(buf, &i, "\n")) {
4132 prevColor = curColor;
4133 if (curColor != ColorNormal) {
4134 if (oldi > next_out) {
4135 SendToPlayer(&buf[next_out], oldi - next_out);
4138 Colorize(ColorNormal, FALSE);
4139 curColor = ColorNormal;
4141 if (started == STARTED_BOARD) {
4142 started = STARTED_NONE;
4143 parse[parse_pos] = NULLCHAR;
4144 ParseBoard12(parse);
4147 /* Send premove here */
4148 if (appData.premove) {
4150 if (currentMove == 0 &&
4151 gameMode == IcsPlayingWhite &&
4152 appData.premoveWhite) {
4153 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4154 if (appData.debugMode)
4155 fprintf(debugFP, "Sending premove:\n");
4157 } else if (currentMove == 1 &&
4158 gameMode == IcsPlayingBlack &&
4159 appData.premoveBlack) {
4160 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4161 if (appData.debugMode)
4162 fprintf(debugFP, "Sending premove:\n");
4164 } else if (gotPremove) {
4166 ClearPremoveHighlights();
4167 if (appData.debugMode)
4168 fprintf(debugFP, "Sending premove:\n");
4169 UserMoveEvent(premoveFromX, premoveFromY,
4170 premoveToX, premoveToY,
4175 /* Usually suppress following prompt */
4176 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4177 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4178 if (looking_at(buf, &i, "*% ")) {
4179 savingComment = FALSE;
4184 } else if (started == STARTED_HOLDINGS) {
4186 char new_piece[MSG_SIZ];
4187 started = STARTED_NONE;
4188 parse[parse_pos] = NULLCHAR;
4189 if (appData.debugMode)
4190 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4191 parse, currentMove);
4192 if (sscanf(parse, " game %d", &gamenum) == 1) {
4193 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4194 if (gameInfo.variant == VariantNormal) {
4195 /* [HGM] We seem to switch variant during a game!
4196 * Presumably no holdings were displayed, so we have
4197 * to move the position two files to the right to
4198 * create room for them!
4200 VariantClass newVariant;
4201 switch(gameInfo.boardWidth) { // base guess on board width
4202 case 9: newVariant = VariantShogi; break;
4203 case 10: newVariant = VariantGreat; break;
4204 default: newVariant = VariantCrazyhouse; break;
4206 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4207 /* Get a move list just to see the header, which
4208 will tell us whether this is really bug or zh */
4209 if (ics_getting_history == H_FALSE) {
4210 ics_getting_history = H_REQUESTED;
4211 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4215 new_piece[0] = NULLCHAR;
4216 sscanf(parse, "game %d white [%s black [%s <- %s",
4217 &gamenum, white_holding, black_holding,
4219 white_holding[strlen(white_holding)-1] = NULLCHAR;
4220 black_holding[strlen(black_holding)-1] = NULLCHAR;
4221 /* [HGM] copy holdings to board holdings area */
4222 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4223 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4224 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4226 if (appData.zippyPlay && first.initDone) {
4227 ZippyHoldings(white_holding, black_holding,
4231 if (tinyLayout || smallLayout) {
4232 char wh[16], bh[16];
4233 PackHolding(wh, white_holding);
4234 PackHolding(bh, black_holding);
4235 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4236 gameInfo.white, gameInfo.black);
4238 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4239 gameInfo.white, white_holding, _("vs."),
4240 gameInfo.black, black_holding);
4242 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4243 DrawPosition(FALSE, boards[currentMove]);
4245 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4246 sscanf(parse, "game %d white [%s black [%s <- %s",
4247 &gamenum, white_holding, black_holding,
4249 white_holding[strlen(white_holding)-1] = NULLCHAR;
4250 black_holding[strlen(black_holding)-1] = NULLCHAR;
4251 /* [HGM] copy holdings to partner-board holdings area */
4252 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4253 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4254 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4255 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4256 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4259 /* Suppress following prompt */
4260 if (looking_at(buf, &i, "*% ")) {
4261 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4262 savingComment = FALSE;
4270 i++; /* skip unparsed character and loop back */
4273 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4274 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4275 // SendToPlayer(&buf[next_out], i - next_out);
4276 started != STARTED_HOLDINGS && leftover_start > next_out) {
4277 SendToPlayer(&buf[next_out], leftover_start - next_out);
4281 leftover_len = buf_len - leftover_start;
4282 /* if buffer ends with something we couldn't parse,
4283 reparse it after appending the next read */
4285 } else if (count == 0) {
4286 RemoveInputSource(isr);
4287 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4289 DisplayFatalError(_("Error reading from ICS"), error, 1);
4294 /* Board style 12 looks like this:
4296 <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
4298 * The "<12> " is stripped before it gets to this routine. The two
4299 * trailing 0's (flip state and clock ticking) are later addition, and
4300 * some chess servers may not have them, or may have only the first.
4301 * Additional trailing fields may be added in the future.
4304 #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"
4306 #define RELATION_OBSERVING_PLAYED 0
4307 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4308 #define RELATION_PLAYING_MYMOVE 1
4309 #define RELATION_PLAYING_NOTMYMOVE -1
4310 #define RELATION_EXAMINING 2
4311 #define RELATION_ISOLATED_BOARD -3
4312 #define RELATION_STARTING_POSITION -4 /* FICS only */
4315 ParseBoard12 (char *string)
4319 char *bookHit = NULL; // [HGM] book
4321 GameMode newGameMode;
4322 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4323 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4324 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4325 char to_play, board_chars[200];
4326 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4327 char black[32], white[32];
4329 int prevMove = currentMove;
4332 int fromX, fromY, toX, toY;
4334 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4335 Boolean weird = FALSE, reqFlag = FALSE;
4337 fromX = fromY = toX = toY = -1;
4341 if (appData.debugMode)
4342 fprintf(debugFP, "Parsing board: %s\n", string);
4344 move_str[0] = NULLCHAR;
4345 elapsed_time[0] = NULLCHAR;
4346 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4348 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4349 if(string[i] == ' ') { ranks++; files = 0; }
4351 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4354 for(j = 0; j <i; j++) board_chars[j] = string[j];
4355 board_chars[i] = '\0';
4358 n = sscanf(string, PATTERN, &to_play, &double_push,
4359 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4360 &gamenum, white, black, &relation, &basetime, &increment,
4361 &white_stren, &black_stren, &white_time, &black_time,
4362 &moveNum, str, elapsed_time, move_str, &ics_flip,
4366 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4367 DisplayError(str, 0);
4371 /* Convert the move number to internal form */
4372 moveNum = (moveNum - 1) * 2;
4373 if (to_play == 'B') moveNum++;
4374 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4375 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4381 case RELATION_OBSERVING_PLAYED:
4382 case RELATION_OBSERVING_STATIC:
4383 if (gamenum == -1) {
4384 /* Old ICC buglet */
4385 relation = RELATION_OBSERVING_STATIC;
4387 newGameMode = IcsObserving;
4389 case RELATION_PLAYING_MYMOVE:
4390 case RELATION_PLAYING_NOTMYMOVE:
4392 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4393 IcsPlayingWhite : IcsPlayingBlack;
4394 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4396 case RELATION_EXAMINING:
4397 newGameMode = IcsExamining;
4399 case RELATION_ISOLATED_BOARD:
4401 /* Just display this board. If user was doing something else,
4402 we will forget about it until the next board comes. */
4403 newGameMode = IcsIdle;
4405 case RELATION_STARTING_POSITION:
4406 newGameMode = gameMode;
4410 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4411 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4412 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4413 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4414 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4415 static int lastBgGame = -1;
4417 for (k = 0; k < ranks; k++) {
4418 for (j = 0; j < files; j++)
4419 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4420 if(gameInfo.holdingsWidth > 1) {
4421 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4422 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4425 CopyBoard(partnerBoard, board);
4426 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4427 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4428 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4429 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4430 if(toSqr = strchr(str, '-')) {
4431 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4432 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4433 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4434 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4435 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4436 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4438 DisplayWhiteClock(white_time*fac, to_play == 'W');
4439 DisplayBlackClock(black_time*fac, to_play != 'W');
4440 activePartner = to_play;
4441 if(gamenum != lastBgGame) {
4443 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4446 lastBgGame = gamenum;
4447 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4448 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4449 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4450 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4451 if(!twoBoards) DisplayMessage(partnerStatus, "");
4452 partnerBoardValid = TRUE;
4456 if(appData.dualBoard && appData.bgObserve) {
4457 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4458 SendToICS(ics_prefix), SendToICS("pobserve\n");
4459 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4461 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4466 /* Modify behavior for initial board display on move listing
4469 switch (ics_getting_history) {
4473 case H_GOT_REQ_HEADER:
4474 case H_GOT_UNREQ_HEADER:
4475 /* This is the initial position of the current game */
4476 gamenum = ics_gamenum;
4477 moveNum = 0; /* old ICS bug workaround */
4478 if (to_play == 'B') {
4479 startedFromSetupPosition = TRUE;
4480 blackPlaysFirst = TRUE;
4482 if (forwardMostMove == 0) forwardMostMove = 1;
4483 if (backwardMostMove == 0) backwardMostMove = 1;
4484 if (currentMove == 0) currentMove = 1;
4486 newGameMode = gameMode;
4487 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4489 case H_GOT_UNWANTED_HEADER:
4490 /* This is an initial board that we don't want */
4492 case H_GETTING_MOVES:
4493 /* Should not happen */
4494 DisplayError(_("Error gathering move list: extra board"), 0);
4495 ics_getting_history = H_FALSE;
4499 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4500 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4501 weird && (int)gameInfo.variant < (int)VariantShogi) {
4502 /* [HGM] We seem to have switched variant unexpectedly
4503 * Try to guess new variant from board size
4505 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4506 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4507 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4508 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4509 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4510 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4511 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4512 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4513 /* Get a move list just to see the header, which
4514 will tell us whether this is really bug or zh */
4515 if (ics_getting_history == H_FALSE) {
4516 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4517 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4522 /* Take action if this is the first board of a new game, or of a
4523 different game than is currently being displayed. */
4524 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4525 relation == RELATION_ISOLATED_BOARD) {
4527 /* Forget the old game and get the history (if any) of the new one */
4528 if (gameMode != BeginningOfGame) {
4532 if (appData.autoRaiseBoard) BoardToTop();
4534 if (gamenum == -1) {
4535 newGameMode = IcsIdle;
4536 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4537 appData.getMoveList && !reqFlag) {
4538 /* Need to get game history */
4539 ics_getting_history = H_REQUESTED;
4540 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4544 /* Initially flip the board to have black on the bottom if playing
4545 black or if the ICS flip flag is set, but let the user change
4546 it with the Flip View button. */
4547 flipView = appData.autoFlipView ?
4548 (newGameMode == IcsPlayingBlack) || ics_flip :
4551 /* Done with values from previous mode; copy in new ones */
4552 gameMode = newGameMode;
4554 ics_gamenum = gamenum;
4555 if (gamenum == gs_gamenum) {
4556 int klen = strlen(gs_kind);
4557 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4558 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4559 gameInfo.event = StrSave(str);
4561 gameInfo.event = StrSave("ICS game");
4563 gameInfo.site = StrSave(appData.icsHost);
4564 gameInfo.date = PGNDate();
4565 gameInfo.round = StrSave("-");
4566 gameInfo.white = StrSave(white);
4567 gameInfo.black = StrSave(black);
4568 timeControl = basetime * 60 * 1000;
4570 timeIncrement = increment * 1000;
4571 movesPerSession = 0;
4572 gameInfo.timeControl = TimeControlTagValue();
4573 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4574 if (appData.debugMode) {
4575 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4576 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4577 setbuf(debugFP, NULL);
4580 gameInfo.outOfBook = NULL;
4582 /* Do we have the ratings? */
4583 if (strcmp(player1Name, white) == 0 &&
4584 strcmp(player2Name, black) == 0) {
4585 if (appData.debugMode)
4586 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4587 player1Rating, player2Rating);
4588 gameInfo.whiteRating = player1Rating;
4589 gameInfo.blackRating = player2Rating;
4590 } else if (strcmp(player2Name, white) == 0 &&
4591 strcmp(player1Name, black) == 0) {
4592 if (appData.debugMode)
4593 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4594 player2Rating, player1Rating);
4595 gameInfo.whiteRating = player2Rating;
4596 gameInfo.blackRating = player1Rating;
4598 player1Name[0] = player2Name[0] = NULLCHAR;
4600 /* Silence shouts if requested */
4601 if (appData.quietPlay &&
4602 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4603 SendToICS(ics_prefix);
4604 SendToICS("set shout 0\n");
4608 /* Deal with midgame name changes */
4610 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4611 if (gameInfo.white) free(gameInfo.white);
4612 gameInfo.white = StrSave(white);
4614 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4615 if (gameInfo.black) free(gameInfo.black);
4616 gameInfo.black = StrSave(black);
4620 /* Throw away game result if anything actually changes in examine mode */
4621 if (gameMode == IcsExamining && !newGame) {
4622 gameInfo.result = GameUnfinished;
4623 if (gameInfo.resultDetails != NULL) {
4624 free(gameInfo.resultDetails);
4625 gameInfo.resultDetails = NULL;
4629 /* In pausing && IcsExamining mode, we ignore boards coming
4630 in if they are in a different variation than we are. */
4631 if (pauseExamInvalid) return;
4632 if (pausing && gameMode == IcsExamining) {
4633 if (moveNum <= pauseExamForwardMostMove) {
4634 pauseExamInvalid = TRUE;
4635 forwardMostMove = pauseExamForwardMostMove;
4640 if (appData.debugMode) {
4641 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4643 /* Parse the board */
4644 for (k = 0; k < ranks; k++) {
4645 for (j = 0; j < files; j++)
4646 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4647 if(gameInfo.holdingsWidth > 1) {
4648 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4649 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4652 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4653 board[5][BOARD_RGHT+1] = WhiteAngel;
4654 board[6][BOARD_RGHT+1] = WhiteMarshall;
4655 board[1][0] = BlackMarshall;
4656 board[2][0] = BlackAngel;
4657 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4659 CopyBoard(boards[moveNum], board);
4660 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4662 startedFromSetupPosition =
4663 !CompareBoards(board, initialPosition);
4664 if(startedFromSetupPosition)
4665 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4668 /* [HGM] Set castling rights. Take the outermost Rooks,
4669 to make it also work for FRC opening positions. Note that board12
4670 is really defective for later FRC positions, as it has no way to
4671 indicate which Rook can castle if they are on the same side of King.
4672 For the initial position we grant rights to the outermost Rooks,
4673 and remember thos rights, and we then copy them on positions
4674 later in an FRC game. This means WB might not recognize castlings with
4675 Rooks that have moved back to their original position as illegal,
4676 but in ICS mode that is not its job anyway.
4678 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4679 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4681 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4682 if(board[0][i] == WhiteRook) j = i;
4683 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4684 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4685 if(board[0][i] == WhiteRook) j = i;
4686 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4687 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4688 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4689 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4690 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4691 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4692 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4694 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4695 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4696 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4697 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4698 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4699 if(board[BOARD_HEIGHT-1][k] == bKing)
4700 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4701 if(gameInfo.variant == VariantTwoKings) {
4702 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4703 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4704 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4707 r = boards[moveNum][CASTLING][0] = initialRights[0];
4708 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4709 r = boards[moveNum][CASTLING][1] = initialRights[1];
4710 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4711 r = boards[moveNum][CASTLING][3] = initialRights[3];
4712 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4713 r = boards[moveNum][CASTLING][4] = initialRights[4];
4714 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4715 /* wildcastle kludge: always assume King has rights */
4716 r = boards[moveNum][CASTLING][2] = initialRights[2];
4717 r = boards[moveNum][CASTLING][5] = initialRights[5];
4719 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4720 boards[moveNum][EP_STATUS] = EP_NONE;
4721 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4722 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4723 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4726 if (ics_getting_history == H_GOT_REQ_HEADER ||
4727 ics_getting_history == H_GOT_UNREQ_HEADER) {
4728 /* This was an initial position from a move list, not
4729 the current position */
4733 /* Update currentMove and known move number limits */
4734 newMove = newGame || moveNum > forwardMostMove;
4737 forwardMostMove = backwardMostMove = currentMove = moveNum;
4738 if (gameMode == IcsExamining && moveNum == 0) {
4739 /* Workaround for ICS limitation: we are not told the wild
4740 type when starting to examine a game. But if we ask for
4741 the move list, the move list header will tell us */
4742 ics_getting_history = H_REQUESTED;
4743 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4746 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4747 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4749 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4750 /* [HGM] applied this also to an engine that is silently watching */
4751 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4752 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4753 gameInfo.variant == currentlyInitializedVariant) {
4754 takeback = forwardMostMove - moveNum;
4755 for (i = 0; i < takeback; i++) {
4756 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4757 SendToProgram("undo\n", &first);
4762 forwardMostMove = moveNum;
4763 if (!pausing || currentMove > forwardMostMove)
4764 currentMove = forwardMostMove;
4766 /* New part of history that is not contiguous with old part */
4767 if (pausing && gameMode == IcsExamining) {
4768 pauseExamInvalid = TRUE;
4769 forwardMostMove = pauseExamForwardMostMove;
4772 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4774 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4775 // [HGM] when we will receive the move list we now request, it will be
4776 // fed to the engine from the first move on. So if the engine is not
4777 // in the initial position now, bring it there.
4778 InitChessProgram(&first, 0);
4781 ics_getting_history = H_REQUESTED;
4782 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4785 forwardMostMove = backwardMostMove = currentMove = moveNum;
4788 /* Update the clocks */
4789 if (strchr(elapsed_time, '.')) {
4791 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4792 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4794 /* Time is in seconds */
4795 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4796 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4801 if (appData.zippyPlay && newGame &&
4802 gameMode != IcsObserving && gameMode != IcsIdle &&
4803 gameMode != IcsExamining)
4804 ZippyFirstBoard(moveNum, basetime, increment);
4807 /* Put the move on the move list, first converting
4808 to canonical algebraic form. */
4810 if (appData.debugMode) {
4811 int f = forwardMostMove;
4812 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4813 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4814 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4815 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4816 fprintf(debugFP, "moveNum = %d\n", moveNum);
4817 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4818 setbuf(debugFP, NULL);
4820 if (moveNum <= backwardMostMove) {
4821 /* We don't know what the board looked like before
4823 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4824 strcat(parseList[moveNum - 1], " ");
4825 strcat(parseList[moveNum - 1], elapsed_time);
4826 moveList[moveNum - 1][0] = NULLCHAR;
4827 } else if (strcmp(move_str, "none") == 0) {
4828 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4829 /* Again, we don't know what the board looked like;
4830 this is really the start of the game. */
4831 parseList[moveNum - 1][0] = NULLCHAR;
4832 moveList[moveNum - 1][0] = NULLCHAR;
4833 backwardMostMove = moveNum;
4834 startedFromSetupPosition = TRUE;
4835 fromX = fromY = toX = toY = -1;
4837 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4838 // So we parse the long-algebraic move string in stead of the SAN move
4839 int valid; char buf[MSG_SIZ], *prom;
4841 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4842 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4843 // str looks something like "Q/a1-a2"; kill the slash
4845 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4846 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4847 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4848 strcat(buf, prom); // long move lacks promo specification!
4849 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4850 if(appData.debugMode)
4851 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4852 safeStrCpy(move_str, buf, MSG_SIZ);
4854 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4855 &fromX, &fromY, &toX, &toY, &promoChar)
4856 || ParseOneMove(buf, moveNum - 1, &moveType,
4857 &fromX, &fromY, &toX, &toY, &promoChar);
4858 // end of long SAN patch
4860 (void) CoordsToAlgebraic(boards[moveNum - 1],
4861 PosFlags(moveNum - 1),
4862 fromY, fromX, toY, toX, promoChar,
4863 parseList[moveNum-1]);
4864 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4870 if(!IS_SHOGI(gameInfo.variant))
4871 strcat(parseList[moveNum - 1], "+");
4874 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4875 strcat(parseList[moveNum - 1], "#");
4878 strcat(parseList[moveNum - 1], " ");
4879 strcat(parseList[moveNum - 1], elapsed_time);
4880 /* currentMoveString is set as a side-effect of ParseOneMove */
4881 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4882 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4883 strcat(moveList[moveNum - 1], "\n");
4885 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4886 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4887 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4888 ChessSquare old, new = boards[moveNum][k][j];
4889 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4890 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4891 if(old == new) continue;
4892 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4893 else if(new == WhiteWazir || new == BlackWazir) {
4894 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4895 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4896 else boards[moveNum][k][j] = old; // preserve type of Gold
4897 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4898 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4901 /* Move from ICS was illegal!? Punt. */
4902 if (appData.debugMode) {
4903 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4904 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4906 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4907 strcat(parseList[moveNum - 1], " ");
4908 strcat(parseList[moveNum - 1], elapsed_time);
4909 moveList[moveNum - 1][0] = NULLCHAR;
4910 fromX = fromY = toX = toY = -1;
4913 if (appData.debugMode) {
4914 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4915 setbuf(debugFP, NULL);
4919 /* Send move to chess program (BEFORE animating it). */
4920 if (appData.zippyPlay && !newGame && newMove &&
4921 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4923 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4924 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4925 if (moveList[moveNum - 1][0] == NULLCHAR) {
4926 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4928 DisplayError(str, 0);
4930 if (first.sendTime) {
4931 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4933 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4934 if (firstMove && !bookHit) {
4936 if (first.useColors) {
4937 SendToProgram(gameMode == IcsPlayingWhite ?
4939 "black\ngo\n", &first);
4941 SendToProgram("go\n", &first);
4943 first.maybeThinking = TRUE;
4946 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4947 if (moveList[moveNum - 1][0] == NULLCHAR) {
4948 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4949 DisplayError(str, 0);
4951 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4952 SendMoveToProgram(moveNum - 1, &first);
4959 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4960 /* If move comes from a remote source, animate it. If it
4961 isn't remote, it will have already been animated. */
4962 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4963 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4965 if (!pausing && appData.highlightLastMove) {
4966 SetHighlights(fromX, fromY, toX, toY);
4970 /* Start the clocks */
4971 whiteFlag = blackFlag = FALSE;
4972 appData.clockMode = !(basetime == 0 && increment == 0);
4974 ics_clock_paused = TRUE;
4976 } else if (ticking == 1) {
4977 ics_clock_paused = FALSE;
4979 if (gameMode == IcsIdle ||
4980 relation == RELATION_OBSERVING_STATIC ||
4981 relation == RELATION_EXAMINING ||
4983 DisplayBothClocks();
4987 /* Display opponents and material strengths */
4988 if (gameInfo.variant != VariantBughouse &&
4989 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4990 if (tinyLayout || smallLayout) {
4991 if(gameInfo.variant == VariantNormal)
4992 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4993 gameInfo.white, white_stren, gameInfo.black, black_stren,
4994 basetime, increment);
4996 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4997 gameInfo.white, white_stren, gameInfo.black, black_stren,
4998 basetime, increment, (int) gameInfo.variant);
5000 if(gameInfo.variant == VariantNormal)
5001 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5002 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5003 basetime, increment);
5005 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5006 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5007 basetime, increment, VariantName(gameInfo.variant));
5010 if (appData.debugMode) {
5011 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5016 /* Display the board */
5017 if (!pausing && !appData.noGUI) {
5019 if (appData.premove)
5021 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5022 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5023 ClearPremoveHighlights();
5025 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5026 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5027 DrawPosition(j, boards[currentMove]);
5029 DisplayMove(moveNum - 1);
5030 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5031 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5032 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5033 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5037 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5039 if(bookHit) { // [HGM] book: simulate book reply
5040 static char bookMove[MSG_SIZ]; // a bit generous?
5042 programStats.nodes = programStats.depth = programStats.time =
5043 programStats.score = programStats.got_only_move = 0;
5044 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5046 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5047 strcat(bookMove, bookHit);
5048 HandleMachineMove(bookMove, &first);
5057 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5058 ics_getting_history = H_REQUESTED;
5059 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5065 SendToBoth (char *msg)
5066 { // to make it easy to keep two engines in step in dual analysis
5067 SendToProgram(msg, &first);
5068 if(second.analyzing) SendToProgram(msg, &second);
5072 AnalysisPeriodicEvent (int force)
5074 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5075 && !force) || !appData.periodicUpdates)
5078 /* Send . command to Crafty to collect stats */
5081 /* Don't send another until we get a response (this makes
5082 us stop sending to old Crafty's which don't understand
5083 the "." command (sending illegal cmds resets node count & time,
5084 which looks bad)) */
5085 programStats.ok_to_send = 0;
5089 ics_update_width (int new_width)
5091 ics_printf("set width %d\n", new_width);
5095 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5099 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5100 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5101 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5102 SendToProgram(buf, cps);
5105 // null move in variant where engine does not understand it (for analysis purposes)
5106 SendBoard(cps, moveNum + 1); // send position after move in stead.
5109 if (cps->useUsermove) {
5110 SendToProgram("usermove ", cps);
5114 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5115 int len = space - parseList[moveNum];
5116 memcpy(buf, parseList[moveNum], len);
5118 buf[len] = NULLCHAR;
5120 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5122 SendToProgram(buf, cps);
5124 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5125 AlphaRank(moveList[moveNum], 4);
5126 SendToProgram(moveList[moveNum], cps);
5127 AlphaRank(moveList[moveNum], 4); // and back
5129 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5130 * the engine. It would be nice to have a better way to identify castle
5132 if(appData.fischerCastling && cps->useOOCastle) {
5133 int fromX = moveList[moveNum][0] - AAA;
5134 int fromY = moveList[moveNum][1] - ONE;
5135 int toX = moveList[moveNum][2] - AAA;
5136 int toY = moveList[moveNum][3] - ONE;
5137 if((boards[moveNum][fromY][fromX] == WhiteKing
5138 && boards[moveNum][toY][toX] == WhiteRook)
5139 || (boards[moveNum][fromY][fromX] == BlackKing
5140 && boards[moveNum][toY][toX] == BlackRook)) {
5141 if(toX > fromX) SendToProgram("O-O\n", cps);
5142 else SendToProgram("O-O-O\n", cps);
5144 else SendToProgram(moveList[moveNum], cps);
5146 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5147 char *m = moveList[moveNum];
5148 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
5149 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5152 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5154 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5158 SendToProgram(buf, cps);
5160 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5161 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5162 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5163 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5164 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5166 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5167 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5168 SendToProgram(buf, cps);
5170 else SendToProgram(moveList[moveNum], cps);
5171 /* End of additions by Tord */
5174 /* [HGM] setting up the opening has brought engine in force mode! */
5175 /* Send 'go' if we are in a mode where machine should play. */
5176 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5177 (gameMode == TwoMachinesPlay ||
5179 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5181 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5182 SendToProgram("go\n", cps);
5183 if (appData.debugMode) {
5184 fprintf(debugFP, "(extra)\n");
5187 setboardSpoiledMachineBlack = 0;
5191 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5193 char user_move[MSG_SIZ];
5196 if(gameInfo.variant == VariantSChess && promoChar) {
5197 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5198 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5199 } else suffix[0] = NULLCHAR;
5203 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5204 (int)moveType, fromX, fromY, toX, toY);
5205 DisplayError(user_move + strlen("say "), 0);
5207 case WhiteKingSideCastle:
5208 case BlackKingSideCastle:
5209 case WhiteQueenSideCastleWild:
5210 case BlackQueenSideCastleWild:
5212 case WhiteHSideCastleFR:
5213 case BlackHSideCastleFR:
5215 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5217 case WhiteQueenSideCastle:
5218 case BlackQueenSideCastle:
5219 case WhiteKingSideCastleWild:
5220 case BlackKingSideCastleWild:
5222 case WhiteASideCastleFR:
5223 case BlackASideCastleFR:
5225 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5227 case WhiteNonPromotion:
5228 case BlackNonPromotion:
5229 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5231 case WhitePromotion:
5232 case BlackPromotion:
5233 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5234 gameInfo.variant == VariantMakruk)
5235 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5236 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5237 PieceToChar(WhiteFerz));
5238 else if(gameInfo.variant == VariantGreat)
5239 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5240 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5241 PieceToChar(WhiteMan));
5243 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5244 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5250 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5251 ToUpper(PieceToChar((ChessSquare) fromX)),
5252 AAA + toX, ONE + toY);
5254 case IllegalMove: /* could be a variant we don't quite understand */
5255 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5257 case WhiteCapturesEnPassant:
5258 case BlackCapturesEnPassant:
5259 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5260 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5263 SendToICS(user_move);
5264 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5265 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5270 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5271 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5272 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5273 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5274 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5277 if(gameMode != IcsExamining) { // is this ever not the case?
5278 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5280 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5281 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5282 } else { // on FICS we must first go to general examine mode
5283 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5285 if(gameInfo.variant != VariantNormal) {
5286 // try figure out wild number, as xboard names are not always valid on ICS
5287 for(i=1; i<=36; i++) {
5288 snprintf(buf, MSG_SIZ, "wild/%d", i);
5289 if(StringToVariant(buf) == gameInfo.variant) break;
5291 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5292 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5293 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5294 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5295 SendToICS(ics_prefix);
5297 if(startedFromSetupPosition || backwardMostMove != 0) {
5298 fen = PositionToFEN(backwardMostMove, NULL, 1);
5299 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5300 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5302 } else { // FICS: everything has to set by separate bsetup commands
5303 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5304 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5306 if(!WhiteOnMove(backwardMostMove)) {
5307 SendToICS("bsetup tomove black\n");
5309 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5310 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5312 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5313 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5315 i = boards[backwardMostMove][EP_STATUS];
5316 if(i >= 0) { // set e.p.
5317 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5323 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5324 SendToICS("bsetup done\n"); // switch to normal examining.
5326 for(i = backwardMostMove; i<last; i++) {
5328 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5329 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5330 int len = strlen(moveList[i]);
5331 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5332 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5336 SendToICS(ics_prefix);
5337 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5340 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5344 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5346 if (rf == DROP_RANK) {
5347 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5348 sprintf(move, "%c@%c%c\n",
5349 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5351 if (promoChar == 'x' || promoChar == NULLCHAR) {
5352 sprintf(move, "%c%c%c%c\n",
5353 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5354 if(killX >= 0 && killY >= 0) {
5355 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5356 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + killX, ONE + killY);
5359 sprintf(move, "%c%c%c%c%c\n",
5360 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5366 ProcessICSInitScript (FILE *f)
5370 while (fgets(buf, MSG_SIZ, f)) {
5371 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5378 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5380 static ClickType lastClickType;
5383 Partner (ChessSquare *p)
5384 { // change piece into promotion partner if one shogi-promotes to the other
5385 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5386 ChessSquare partner;
5387 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5388 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5396 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5397 static int toggleFlag;
5398 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5399 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5400 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5401 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5402 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5403 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5405 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5406 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5407 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5408 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5409 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5410 if(!step) step = -1;
5411 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5412 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5413 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5414 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5416 int victim = boards[currentMove][toY][toX];
5417 boards[currentMove][toY][toX] = promoSweep;
5418 DrawPosition(FALSE, boards[currentMove]);
5419 boards[currentMove][toY][toX] = victim;
5421 ChangeDragPiece(promoSweep);
5425 PromoScroll (int x, int y)
5429 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5430 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5431 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5432 if(!step) return FALSE;
5433 lastX = x; lastY = y;
5434 if((promoSweep < BlackPawn) == flipView) step = -step;
5435 if(step > 0) selectFlag = 1;
5436 if(!selectFlag) Sweep(step);
5441 NextPiece (int step)
5443 ChessSquare piece = boards[currentMove][toY][toX];
5446 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5447 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5448 if(!step) step = -1;
5449 } while(PieceToChar(pieceSweep) == '.');
5450 boards[currentMove][toY][toX] = pieceSweep;
5451 DrawPosition(FALSE, boards[currentMove]);
5452 boards[currentMove][toY][toX] = piece;
5454 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5456 AlphaRank (char *move, int n)
5458 // char *p = move, c; int x, y;
5460 if (appData.debugMode) {
5461 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5465 move[2]>='0' && move[2]<='9' &&
5466 move[3]>='a' && move[3]<='x' ) {
5468 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5469 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5471 if(move[0]>='0' && move[0]<='9' &&
5472 move[1]>='a' && move[1]<='x' &&
5473 move[2]>='0' && move[2]<='9' &&
5474 move[3]>='a' && move[3]<='x' ) {
5475 /* input move, Shogi -> normal */
5476 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5477 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5478 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5479 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5482 move[3]>='0' && move[3]<='9' &&
5483 move[2]>='a' && move[2]<='x' ) {
5485 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5486 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5489 move[0]>='a' && move[0]<='x' &&
5490 move[3]>='0' && move[3]<='9' &&
5491 move[2]>='a' && move[2]<='x' ) {
5492 /* output move, normal -> Shogi */
5493 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5494 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5495 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5496 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5497 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5499 if (appData.debugMode) {
5500 fprintf(debugFP, " out = '%s'\n", move);
5504 char yy_textstr[8000];
5506 /* Parser for moves from gnuchess, ICS, or user typein box */
5508 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5510 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5512 switch (*moveType) {
5513 case WhitePromotion:
5514 case BlackPromotion:
5515 case WhiteNonPromotion:
5516 case BlackNonPromotion:
5519 case WhiteCapturesEnPassant:
5520 case BlackCapturesEnPassant:
5521 case WhiteKingSideCastle:
5522 case WhiteQueenSideCastle:
5523 case BlackKingSideCastle:
5524 case BlackQueenSideCastle:
5525 case WhiteKingSideCastleWild:
5526 case WhiteQueenSideCastleWild:
5527 case BlackKingSideCastleWild:
5528 case BlackQueenSideCastleWild:
5529 /* Code added by Tord: */
5530 case WhiteHSideCastleFR:
5531 case WhiteASideCastleFR:
5532 case BlackHSideCastleFR:
5533 case BlackASideCastleFR:
5534 /* End of code added by Tord */
5535 case IllegalMove: /* bug or odd chess variant */
5536 if(currentMoveString[1] == '@') { // illegal drop
5537 *fromX = WhiteOnMove(moveNum) ?
5538 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5539 (int) CharToPiece(ToLower(currentMoveString[0]));
5542 *fromX = currentMoveString[0] - AAA;
5543 *fromY = currentMoveString[1] - ONE;
5544 *toX = currentMoveString[2] - AAA;
5545 *toY = currentMoveString[3] - ONE;
5546 *promoChar = currentMoveString[4];
5547 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5548 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5549 if (appData.debugMode) {
5550 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5552 *fromX = *fromY = *toX = *toY = 0;
5555 if (appData.testLegality) {
5556 return (*moveType != IllegalMove);
5558 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5559 // [HGM] lion: if this is a double move we are less critical
5560 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5565 *fromX = *moveType == WhiteDrop ?
5566 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5567 (int) CharToPiece(ToLower(currentMoveString[0]));
5570 *toX = currentMoveString[2] - AAA;
5571 *toY = currentMoveString[3] - ONE;
5572 *promoChar = NULLCHAR;
5576 case ImpossibleMove:
5586 if (appData.debugMode) {
5587 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5590 *fromX = *fromY = *toX = *toY = 0;
5591 *promoChar = NULLCHAR;
5596 Boolean pushed = FALSE;
5597 char *lastParseAttempt;
5600 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5601 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5602 int fromX, fromY, toX, toY; char promoChar;
5607 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5608 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5609 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5612 endPV = forwardMostMove;
5614 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5615 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5616 lastParseAttempt = pv;
5617 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5618 if(!valid && nr == 0 &&
5619 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5620 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5621 // Hande case where played move is different from leading PV move
5622 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5623 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5624 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5625 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5626 endPV += 2; // if position different, keep this
5627 moveList[endPV-1][0] = fromX + AAA;
5628 moveList[endPV-1][1] = fromY + ONE;
5629 moveList[endPV-1][2] = toX + AAA;
5630 moveList[endPV-1][3] = toY + ONE;
5631 parseList[endPV-1][0] = NULLCHAR;
5632 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5635 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5636 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5637 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5638 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5639 valid++; // allow comments in PV
5643 if(endPV+1 > framePtr) break; // no space, truncate
5646 CopyBoard(boards[endPV], boards[endPV-1]);
5647 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5648 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5649 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5650 CoordsToAlgebraic(boards[endPV - 1],
5651 PosFlags(endPV - 1),
5652 fromY, fromX, toY, toX, promoChar,
5653 parseList[endPV - 1]);
5655 if(atEnd == 2) return; // used hidden, for PV conversion
5656 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5657 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5658 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5659 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5660 DrawPosition(TRUE, boards[currentMove]);
5664 MultiPV (ChessProgramState *cps, int kind)
5665 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5667 for(i=0; i<cps->nrOptions; i++) {
5668 char *s = cps->option[i].name;
5669 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5670 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5671 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5676 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5677 static int multi, pv_margin;
5678 static ChessProgramState *activeCps;
5681 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5683 int startPV, lineStart, origIndex = index;
5684 char *p, buf2[MSG_SIZ];
5685 ChessProgramState *cps = (pane ? &second : &first);
5687 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5688 lastX = x; lastY = y;
5689 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5690 lineStart = startPV = index;
5691 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5692 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5694 do{ while(buf[index] && buf[index] != '\n') index++;
5695 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5697 if(lineStart == 0 && gameMode == AnalyzeMode) {
5699 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5700 if(n == 0) { // click not on "fewer" or "more"
5701 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5702 pv_margin = cps->option[multi].value;
5703 activeCps = cps; // non-null signals margin adjustment
5705 } else if((multi = MultiPV(cps, 1)) >= 0) {
5706 n += cps->option[multi].value; if(n < 1) n = 1;
5707 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5708 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5709 cps->option[multi].value = n;
5713 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5714 ExcludeClick(origIndex - lineStart);
5716 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5717 Collapse(origIndex - lineStart);
5720 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5721 *start = startPV; *end = index-1;
5722 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5729 static char buf[10*MSG_SIZ];
5730 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5732 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5733 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5734 for(i = forwardMostMove; i<endPV; i++){
5735 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5736 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5739 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5740 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5741 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5747 LoadPV (int x, int y)
5748 { // called on right mouse click to load PV
5749 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5750 lastX = x; lastY = y;
5751 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5759 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5761 if(pv_margin != activeCps->option[multi].value) {
5763 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5764 SendToProgram(buf, activeCps);
5765 activeCps->option[multi].value = pv_margin;
5770 if(endPV < 0) return;
5771 if(appData.autoCopyPV) CopyFENToClipboard();
5773 if(extendGame && currentMove > forwardMostMove) {
5774 Boolean saveAnimate = appData.animate;
5776 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5777 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5778 } else storedGames--; // abandon shelved tail of original game
5781 forwardMostMove = currentMove;
5782 currentMove = oldFMM;
5783 appData.animate = FALSE;
5784 ToNrEvent(forwardMostMove);
5785 appData.animate = saveAnimate;
5787 currentMove = forwardMostMove;
5788 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5789 ClearPremoveHighlights();
5790 DrawPosition(TRUE, boards[currentMove]);
5794 MovePV (int x, int y, int h)
5795 { // step through PV based on mouse coordinates (called on mouse move)
5796 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5798 if(activeCps) { // adjusting engine's multi-pv margin
5799 if(x > lastX) pv_margin++; else
5800 if(x < lastX) pv_margin -= (pv_margin > 0);
5803 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5804 DisplayMessage(buf, "");
5809 // we must somehow check if right button is still down (might be released off board!)
5810 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5811 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5812 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5814 lastX = x; lastY = y;
5816 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5817 if(endPV < 0) return;
5818 if(y < margin) step = 1; else
5819 if(y > h - margin) step = -1;
5820 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5821 currentMove += step;
5822 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5823 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5824 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5825 DrawPosition(FALSE, boards[currentMove]);
5829 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5830 // All positions will have equal probability, but the current method will not provide a unique
5831 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5837 int piecesLeft[(int)BlackPawn];
5838 int seed, nrOfShuffles;
5841 GetPositionNumber ()
5842 { // sets global variable seed
5845 seed = appData.defaultFrcPosition;
5846 if(seed < 0) { // randomize based on time for negative FRC position numbers
5847 for(i=0; i<50; i++) seed += random();
5848 seed = random() ^ random() >> 8 ^ random() << 8;
5849 if(seed<0) seed = -seed;
5854 put (Board board, int pieceType, int rank, int n, int shade)
5855 // put the piece on the (n-1)-th empty squares of the given shade
5859 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5860 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5861 board[rank][i] = (ChessSquare) pieceType;
5862 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5864 piecesLeft[pieceType]--;
5873 AddOnePiece (Board board, int pieceType, int rank, int shade)
5874 // calculate where the next piece goes, (any empty square), and put it there
5878 i = seed % squaresLeft[shade];
5879 nrOfShuffles *= squaresLeft[shade];
5880 seed /= squaresLeft[shade];
5881 put(board, pieceType, rank, i, shade);
5885 AddTwoPieces (Board board, int pieceType, int rank)
5886 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5888 int i, n=squaresLeft[ANY], j=n-1, k;
5890 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5891 i = seed % k; // pick one
5894 while(i >= j) i -= j--;
5895 j = n - 1 - j; i += j;
5896 put(board, pieceType, rank, j, ANY);
5897 put(board, pieceType, rank, i, ANY);
5901 SetUpShuffle (Board board, int number)
5905 GetPositionNumber(); nrOfShuffles = 1;
5907 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5908 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5909 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5911 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5913 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5914 p = (int) board[0][i];
5915 if(p < (int) BlackPawn) piecesLeft[p] ++;
5916 board[0][i] = EmptySquare;
5919 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5920 // shuffles restricted to allow normal castling put KRR first
5921 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5922 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5923 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5924 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5925 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5926 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5927 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5928 put(board, WhiteRook, 0, 0, ANY);
5929 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5932 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5933 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5934 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5935 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5936 while(piecesLeft[p] >= 2) {
5937 AddOnePiece(board, p, 0, LITE);
5938 AddOnePiece(board, p, 0, DARK);
5940 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5943 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5944 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5945 // but we leave King and Rooks for last, to possibly obey FRC restriction
5946 if(p == (int)WhiteRook) continue;
5947 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5948 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5951 // now everything is placed, except perhaps King (Unicorn) and Rooks
5953 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5954 // Last King gets castling rights
5955 while(piecesLeft[(int)WhiteUnicorn]) {
5956 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5957 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5960 while(piecesLeft[(int)WhiteKing]) {
5961 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5962 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5967 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5968 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5971 // Only Rooks can be left; simply place them all
5972 while(piecesLeft[(int)WhiteRook]) {
5973 i = put(board, WhiteRook, 0, 0, ANY);
5974 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5977 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5979 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5982 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5983 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5986 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5990 ptclen (const char *s, char *escapes)
5993 if(!*escapes) return strlen(s);
5994 while(*s) n += (*s != '/' && !strchr(escapes, *s)), s++;
5999 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6000 /* [HGM] moved here from winboard.c because of its general usefulness */
6001 /* Basically a safe strcpy that uses the last character as King */
6003 int result = FALSE; int NrPieces, offs;
6005 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6006 && NrPieces >= 12 && !(NrPieces&1)) {
6007 int i, j = 0; /* [HGM] Accept even length from 12 to 88 */
6009 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6010 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6012 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
6013 table[i + offs] = map[j++];
6014 if(p = strchr(escapes, map[j])) j++, table[i + offs] += 64*(p - escapes + 1);
6016 table[(int) WhiteKing] = map[j++];
6017 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6019 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
6020 table[WHITE_TO_BLACK i + offs] = map[j++];
6021 if(p = strchr(escapes, map[j])) j++, table[WHITE_TO_BLACK i + offs] += 64*(p - escapes + 1);
6023 table[(int) BlackKing] = map[j++];
6032 SetCharTable (unsigned char *table, const char * map)
6034 return SetCharTableEsc(table, map, "");
6038 Prelude (Board board)
6039 { // [HGM] superchess: random selection of exo-pieces
6040 int i, j, k; ChessSquare p;
6041 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6043 GetPositionNumber(); // use FRC position number
6045 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6046 SetCharTable(pieceToChar, appData.pieceToCharTable);
6047 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6048 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6051 j = seed%4; seed /= 4;
6052 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6053 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6054 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6055 j = seed%3 + (seed%3 >= j); seed /= 3;
6056 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6057 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6058 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6059 j = seed%3; seed /= 3;
6060 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6061 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6062 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6063 j = seed%2 + (seed%2 >= j); seed /= 2;
6064 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6065 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6066 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6067 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6068 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6069 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6070 put(board, exoPieces[0], 0, 0, ANY);
6071 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6075 InitPosition (int redraw)
6077 ChessSquare (* pieces)[BOARD_FILES];
6078 int i, j, pawnRow=1, pieceRows=1, overrule,
6079 oldx = gameInfo.boardWidth,
6080 oldy = gameInfo.boardHeight,
6081 oldh = gameInfo.holdingsWidth;
6084 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6086 /* [AS] Initialize pv info list [HGM] and game status */
6088 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6089 pvInfoList[i].depth = 0;
6090 boards[i][EP_STATUS] = EP_NONE;
6091 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6094 initialRulePlies = 0; /* 50-move counter start */
6096 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6097 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6101 /* [HGM] logic here is completely changed. In stead of full positions */
6102 /* the initialized data only consist of the two backranks. The switch */
6103 /* selects which one we will use, which is than copied to the Board */
6104 /* initialPosition, which for the rest is initialized by Pawns and */
6105 /* empty squares. This initial position is then copied to boards[0], */
6106 /* possibly after shuffling, so that it remains available. */
6108 gameInfo.holdingsWidth = 0; /* default board sizes */
6109 gameInfo.boardWidth = 8;
6110 gameInfo.boardHeight = 8;
6111 gameInfo.holdingsSize = 0;
6112 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6113 for(i=0; i<BOARD_FILES-6; i++)
6114 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6115 initialPosition[EP_STATUS] = EP_NONE;
6116 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6117 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6118 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6119 SetCharTable(pieceNickName, appData.pieceNickNames);
6120 else SetCharTable(pieceNickName, "............");
6123 switch (gameInfo.variant) {
6124 case VariantFischeRandom:
6125 shuffleOpenings = TRUE;
6126 appData.fischerCastling = TRUE;
6129 case VariantShatranj:
6130 pieces = ShatranjArray;
6131 nrCastlingRights = 0;
6132 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6135 pieces = makrukArray;
6136 nrCastlingRights = 0;
6137 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6140 pieces = aseanArray;
6141 nrCastlingRights = 0;
6142 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6144 case VariantTwoKings:
6145 pieces = twoKingsArray;
6148 pieces = GrandArray;
6149 nrCastlingRights = 0;
6150 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6151 gameInfo.boardWidth = 10;
6152 gameInfo.boardHeight = 10;
6153 gameInfo.holdingsSize = 7;
6155 case VariantCapaRandom:
6156 shuffleOpenings = TRUE;
6157 appData.fischerCastling = TRUE;
6158 case VariantCapablanca:
6159 pieces = CapablancaArray;
6160 gameInfo.boardWidth = 10;
6161 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6164 pieces = GothicArray;
6165 gameInfo.boardWidth = 10;
6166 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6169 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6170 gameInfo.holdingsSize = 7;
6171 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6174 pieces = JanusArray;
6175 gameInfo.boardWidth = 10;
6176 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6177 nrCastlingRights = 6;
6178 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6179 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6180 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6181 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6182 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6183 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6186 pieces = FalconArray;
6187 gameInfo.boardWidth = 10;
6188 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6190 case VariantXiangqi:
6191 pieces = XiangqiArray;
6192 gameInfo.boardWidth = 9;
6193 gameInfo.boardHeight = 10;
6194 nrCastlingRights = 0;
6195 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6198 pieces = ShogiArray;
6199 gameInfo.boardWidth = 9;
6200 gameInfo.boardHeight = 9;
6201 gameInfo.holdingsSize = 7;
6202 nrCastlingRights = 0;
6203 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6206 pieces = ChuArray; pieceRows = 3;
6207 gameInfo.boardWidth = 12;
6208 gameInfo.boardHeight = 12;
6209 nrCastlingRights = 0;
6210 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN/+.++.++++++++++.+++++K"
6211 "p.brqsexogcathd.vmlifn/+.++.++++++++++.+++++k", SUFFIXES);
6213 case VariantCourier:
6214 pieces = CourierArray;
6215 gameInfo.boardWidth = 12;
6216 nrCastlingRights = 0;
6217 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6219 case VariantKnightmate:
6220 pieces = KnightmateArray;
6221 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6223 case VariantSpartan:
6224 pieces = SpartanArray;
6225 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6229 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6231 case VariantChuChess:
6232 pieces = ChuChessArray;
6233 gameInfo.boardWidth = 10;
6234 gameInfo.boardHeight = 10;
6235 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6238 pieces = fairyArray;
6239 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6242 pieces = GreatArray;
6243 gameInfo.boardWidth = 10;
6244 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6245 gameInfo.holdingsSize = 8;
6249 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6250 gameInfo.holdingsSize = 8;
6251 startedFromSetupPosition = TRUE;
6253 case VariantCrazyhouse:
6254 case VariantBughouse:
6256 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6257 gameInfo.holdingsSize = 5;
6259 case VariantWildCastle:
6261 /* !!?shuffle with kings guaranteed to be on d or e file */
6262 shuffleOpenings = 1;
6264 case VariantNoCastle:
6266 nrCastlingRights = 0;
6267 /* !!?unconstrained back-rank shuffle */
6268 shuffleOpenings = 1;
6273 if(appData.NrFiles >= 0) {
6274 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6275 gameInfo.boardWidth = appData.NrFiles;
6277 if(appData.NrRanks >= 0) {
6278 gameInfo.boardHeight = appData.NrRanks;
6280 if(appData.holdingsSize >= 0) {
6281 i = appData.holdingsSize;
6282 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6283 gameInfo.holdingsSize = i;
6285 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6286 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6287 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6289 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6290 if(pawnRow < 1) pawnRow = 1;
6291 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6292 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6293 if(gameInfo.variant == VariantChu) pawnRow = 3;
6295 /* User pieceToChar list overrules defaults */
6296 if(appData.pieceToCharTable != NULL)
6297 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6299 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6301 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6302 s = (ChessSquare) 0; /* account holding counts in guard band */
6303 for( i=0; i<BOARD_HEIGHT; i++ )
6304 initialPosition[i][j] = s;
6306 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6307 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6308 initialPosition[pawnRow][j] = WhitePawn;
6309 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6310 if(gameInfo.variant == VariantXiangqi) {
6312 initialPosition[pawnRow][j] =
6313 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6314 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6315 initialPosition[2][j] = WhiteCannon;
6316 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6320 if(gameInfo.variant == VariantChu) {
6321 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6322 initialPosition[pawnRow+1][j] = WhiteCobra,
6323 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6324 for(i=1; i<pieceRows; i++) {
6325 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6326 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6329 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6330 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6331 initialPosition[0][j] = WhiteRook;
6332 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6335 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6337 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6338 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6341 initialPosition[1][j] = WhiteBishop;
6342 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6344 initialPosition[1][j] = WhiteRook;
6345 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6348 if( nrCastlingRights == -1) {
6349 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6350 /* This sets default castling rights from none to normal corners */
6351 /* Variants with other castling rights must set them themselves above */
6352 nrCastlingRights = 6;
6354 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6355 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6356 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6357 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6358 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6359 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6362 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6363 if(gameInfo.variant == VariantGreat) { // promotion commoners
6364 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6365 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6366 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6367 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6369 if( gameInfo.variant == VariantSChess ) {
6370 initialPosition[1][0] = BlackMarshall;
6371 initialPosition[2][0] = BlackAngel;
6372 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6373 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6374 initialPosition[1][1] = initialPosition[2][1] =
6375 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6377 if (appData.debugMode) {
6378 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6380 if(shuffleOpenings) {
6381 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6382 startedFromSetupPosition = TRUE;
6384 if(startedFromPositionFile) {
6385 /* [HGM] loadPos: use PositionFile for every new game */
6386 CopyBoard(initialPosition, filePosition);
6387 for(i=0; i<nrCastlingRights; i++)
6388 initialRights[i] = filePosition[CASTLING][i];
6389 startedFromSetupPosition = TRUE;
6392 CopyBoard(boards[0], initialPosition);
6394 if(oldx != gameInfo.boardWidth ||
6395 oldy != gameInfo.boardHeight ||
6396 oldv != gameInfo.variant ||
6397 oldh != gameInfo.holdingsWidth
6399 InitDrawingSizes(-2 ,0);
6401 oldv = gameInfo.variant;
6403 DrawPosition(TRUE, boards[currentMove]);
6407 SendBoard (ChessProgramState *cps, int moveNum)
6409 char message[MSG_SIZ];
6411 if (cps->useSetboard) {
6412 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6413 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6414 SendToProgram(message, cps);
6419 int i, j, left=0, right=BOARD_WIDTH;
6420 /* Kludge to set black to move, avoiding the troublesome and now
6421 * deprecated "black" command.
6423 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6424 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6426 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6428 SendToProgram("edit\n", cps);
6429 SendToProgram("#\n", cps);
6430 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6431 bp = &boards[moveNum][i][left];
6432 for (j = left; j < right; j++, bp++) {
6433 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6434 if ((int) *bp < (int) BlackPawn) {
6435 if(j == BOARD_RGHT+1)
6436 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6437 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6438 if(message[0] == '+' || message[0] == '~') {
6439 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6440 PieceToChar((ChessSquare)(DEMOTED *bp)),
6441 AAA + j, ONE + i - '0');
6443 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6444 message[1] = BOARD_RGHT - 1 - j + '1';
6445 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6447 SendToProgram(message, cps);
6452 SendToProgram("c\n", cps);
6453 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6454 bp = &boards[moveNum][i][left];
6455 for (j = left; j < right; j++, bp++) {
6456 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6457 if (((int) *bp != (int) EmptySquare)
6458 && ((int) *bp >= (int) BlackPawn)) {
6459 if(j == BOARD_LEFT-2)
6460 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6461 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6462 AAA + j, ONE + i - '0');
6463 if(message[0] == '+' || message[0] == '~') {
6464 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6465 PieceToChar((ChessSquare)(DEMOTED *bp)),
6466 AAA + j, ONE + i - '0');
6468 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6469 message[1] = BOARD_RGHT - 1 - j + '1';
6470 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6472 SendToProgram(message, cps);
6477 SendToProgram(".\n", cps);
6479 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6482 char exclusionHeader[MSG_SIZ];
6483 int exCnt, excludePtr;
6484 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6485 static Exclusion excluTab[200];
6486 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6492 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6493 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6499 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6500 excludePtr = 24; exCnt = 0;
6505 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6506 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6507 char buf[2*MOVE_LEN], *p;
6508 Exclusion *e = excluTab;
6510 for(i=0; i<exCnt; i++)
6511 if(e[i].ff == fromX && e[i].fr == fromY &&
6512 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6513 if(i == exCnt) { // was not in exclude list; add it
6514 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6515 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6516 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6519 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6520 excludePtr++; e[i].mark = excludePtr++;
6521 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6524 exclusionHeader[e[i].mark] = state;
6528 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6529 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6533 if((signed char)promoChar == -1) { // kludge to indicate best move
6534 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6535 return 1; // if unparsable, abort
6537 // update exclusion map (resolving toggle by consulting existing state)
6538 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6540 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6541 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6542 excludeMap[k] |= 1<<j;
6543 else excludeMap[k] &= ~(1<<j);
6545 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6547 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6548 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6550 return (state == '+');
6554 ExcludeClick (int index)
6557 Exclusion *e = excluTab;
6558 if(index < 25) { // none, best or tail clicked
6559 if(index < 13) { // none: include all
6560 WriteMap(0); // clear map
6561 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6562 SendToBoth("include all\n"); // and inform engine
6563 } else if(index > 18) { // tail
6564 if(exclusionHeader[19] == '-') { // tail was excluded
6565 SendToBoth("include all\n");
6566 WriteMap(0); // clear map completely
6567 // now re-exclude selected moves
6568 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6569 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6570 } else { // tail was included or in mixed state
6571 SendToBoth("exclude all\n");
6572 WriteMap(0xFF); // fill map completely
6573 // now re-include selected moves
6574 j = 0; // count them
6575 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6576 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6577 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6580 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6583 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6584 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6585 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6592 DefaultPromoChoice (int white)
6595 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6596 gameInfo.variant == VariantMakruk)
6597 result = WhiteFerz; // no choice
6598 else if(gameInfo.variant == VariantASEAN)
6599 result = WhiteRook; // no choice
6600 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6601 result= WhiteKing; // in Suicide Q is the last thing we want
6602 else if(gameInfo.variant == VariantSpartan)
6603 result = white ? WhiteQueen : WhiteAngel;
6604 else result = WhiteQueen;
6605 if(!white) result = WHITE_TO_BLACK result;
6609 static int autoQueen; // [HGM] oneclick
6612 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6614 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6615 /* [HGM] add Shogi promotions */
6616 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6617 ChessSquare piece, partner;
6621 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6622 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6624 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6625 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6628 piece = boards[currentMove][fromY][fromX];
6629 if(gameInfo.variant == VariantChu) {
6630 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6631 promotionZoneSize = BOARD_HEIGHT/3;
6632 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6633 } else if(gameInfo.variant == VariantShogi) {
6634 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6635 highestPromotingPiece = (int)WhiteAlfil;
6636 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6637 promotionZoneSize = 3;
6640 // Treat Lance as Pawn when it is not representing Amazon or Lance
6641 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6642 if(piece == WhiteLance) piece = WhitePawn; else
6643 if(piece == BlackLance) piece = BlackPawn;
6646 // next weed out all moves that do not touch the promotion zone at all
6647 if((int)piece >= BlackPawn) {
6648 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6650 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6651 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6653 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6654 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6655 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6659 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6661 // weed out mandatory Shogi promotions
6662 if(gameInfo.variant == VariantShogi) {
6663 if(piece >= BlackPawn) {
6664 if(toY == 0 && piece == BlackPawn ||
6665 toY == 0 && piece == BlackQueen ||
6666 toY <= 1 && piece == BlackKnight) {
6671 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6672 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6673 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6680 // weed out obviously illegal Pawn moves
6681 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6682 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6683 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6684 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6685 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6686 // note we are not allowed to test for valid (non-)capture, due to premove
6689 // we either have a choice what to promote to, or (in Shogi) whether to promote
6690 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6691 gameInfo.variant == VariantMakruk) {
6692 ChessSquare p=BlackFerz; // no choice
6693 while(p < EmptySquare) { //but make sure we use piece that exists
6694 *promoChoice = PieceToChar(p++);
6695 if(*promoChoice != '.') break;
6699 // no sense asking what we must promote to if it is going to explode...
6700 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6701 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6704 // give caller the default choice even if we will not make it
6705 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6706 partner = piece; // pieces can promote if the pieceToCharTable says so
6707 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6708 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6709 if( sweepSelect && gameInfo.variant != VariantGreat
6710 && gameInfo.variant != VariantGrand
6711 && gameInfo.variant != VariantSuper) return FALSE;
6712 if(autoQueen) return FALSE; // predetermined
6714 // suppress promotion popup on illegal moves that are not premoves
6715 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6716 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6717 if(appData.testLegality && !premove) {
6718 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6719 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6720 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6721 if(moveType != WhitePromotion && moveType != BlackPromotion)
6729 InPalace (int row, int column)
6730 { /* [HGM] for Xiangqi */
6731 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6732 column < (BOARD_WIDTH + 4)/2 &&
6733 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6738 PieceForSquare (int x, int y)
6740 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6743 return boards[currentMove][y][x];
6747 OKToStartUserMove (int x, int y)
6749 ChessSquare from_piece;
6752 if (matchMode) return FALSE;
6753 if (gameMode == EditPosition) return TRUE;
6755 if (x >= 0 && y >= 0)
6756 from_piece = boards[currentMove][y][x];
6758 from_piece = EmptySquare;
6760 if (from_piece == EmptySquare) return FALSE;
6762 white_piece = (int)from_piece >= (int)WhitePawn &&
6763 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6767 case TwoMachinesPlay:
6775 case MachinePlaysWhite:
6776 case IcsPlayingBlack:
6777 if (appData.zippyPlay) return FALSE;
6779 DisplayMoveError(_("You are playing Black"));
6784 case MachinePlaysBlack:
6785 case IcsPlayingWhite:
6786 if (appData.zippyPlay) return FALSE;
6788 DisplayMoveError(_("You are playing White"));
6793 case PlayFromGameFile:
6794 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6796 if (!white_piece && WhiteOnMove(currentMove)) {
6797 DisplayMoveError(_("It is White's turn"));
6800 if (white_piece && !WhiteOnMove(currentMove)) {
6801 DisplayMoveError(_("It is Black's turn"));
6804 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6805 /* Editing correspondence game history */
6806 /* Could disallow this or prompt for confirmation */
6811 case BeginningOfGame:
6812 if (appData.icsActive) return FALSE;
6813 if (!appData.noChessProgram) {
6815 DisplayMoveError(_("You are playing White"));
6822 if (!white_piece && WhiteOnMove(currentMove)) {
6823 DisplayMoveError(_("It is White's turn"));
6826 if (white_piece && !WhiteOnMove(currentMove)) {
6827 DisplayMoveError(_("It is Black's turn"));
6836 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6837 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6838 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6839 && gameMode != AnalyzeFile && gameMode != Training) {
6840 DisplayMoveError(_("Displayed position is not current"));
6847 OnlyMove (int *x, int *y, Boolean captures)
6849 DisambiguateClosure cl;
6850 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6852 case MachinePlaysBlack:
6853 case IcsPlayingWhite:
6854 case BeginningOfGame:
6855 if(!WhiteOnMove(currentMove)) return FALSE;
6857 case MachinePlaysWhite:
6858 case IcsPlayingBlack:
6859 if(WhiteOnMove(currentMove)) return FALSE;
6866 cl.pieceIn = EmptySquare;
6871 cl.promoCharIn = NULLCHAR;
6872 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6873 if( cl.kind == NormalMove ||
6874 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6875 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6876 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6883 if(cl.kind != ImpossibleMove) return FALSE;
6884 cl.pieceIn = EmptySquare;
6889 cl.promoCharIn = NULLCHAR;
6890 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6891 if( cl.kind == NormalMove ||
6892 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6893 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6894 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6899 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6905 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6906 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6907 int lastLoadGameUseList = FALSE;
6908 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6909 ChessMove lastLoadGameStart = EndOfFile;
6911 Boolean addToBookFlag;
6914 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6918 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6920 /* Check if the user is playing in turn. This is complicated because we
6921 let the user "pick up" a piece before it is his turn. So the piece he
6922 tried to pick up may have been captured by the time he puts it down!
6923 Therefore we use the color the user is supposed to be playing in this
6924 test, not the color of the piece that is currently on the starting
6925 square---except in EditGame mode, where the user is playing both
6926 sides; fortunately there the capture race can't happen. (It can
6927 now happen in IcsExamining mode, but that's just too bad. The user
6928 will get a somewhat confusing message in that case.)
6933 case TwoMachinesPlay:
6937 /* We switched into a game mode where moves are not accepted,
6938 perhaps while the mouse button was down. */
6941 case MachinePlaysWhite:
6942 /* User is moving for Black */
6943 if (WhiteOnMove(currentMove)) {
6944 DisplayMoveError(_("It is White's turn"));
6949 case MachinePlaysBlack:
6950 /* User is moving for White */
6951 if (!WhiteOnMove(currentMove)) {
6952 DisplayMoveError(_("It is Black's turn"));
6957 case PlayFromGameFile:
6958 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6961 case BeginningOfGame:
6964 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6965 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6966 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6967 /* User is moving for Black */
6968 if (WhiteOnMove(currentMove)) {
6969 DisplayMoveError(_("It is White's turn"));
6973 /* User is moving for White */
6974 if (!WhiteOnMove(currentMove)) {
6975 DisplayMoveError(_("It is Black's turn"));
6981 case IcsPlayingBlack:
6982 /* User is moving for Black */
6983 if (WhiteOnMove(currentMove)) {
6984 if (!appData.premove) {
6985 DisplayMoveError(_("It is White's turn"));
6986 } else if (toX >= 0 && toY >= 0) {
6989 premoveFromX = fromX;
6990 premoveFromY = fromY;
6991 premovePromoChar = promoChar;
6993 if (appData.debugMode)
6994 fprintf(debugFP, "Got premove: fromX %d,"
6995 "fromY %d, toX %d, toY %d\n",
6996 fromX, fromY, toX, toY);
7002 case IcsPlayingWhite:
7003 /* User is moving for White */
7004 if (!WhiteOnMove(currentMove)) {
7005 if (!appData.premove) {
7006 DisplayMoveError(_("It is Black's turn"));
7007 } else if (toX >= 0 && toY >= 0) {
7010 premoveFromX = fromX;
7011 premoveFromY = fromY;
7012 premovePromoChar = promoChar;
7014 if (appData.debugMode)
7015 fprintf(debugFP, "Got premove: fromX %d,"
7016 "fromY %d, toX %d, toY %d\n",
7017 fromX, fromY, toX, toY);
7027 /* EditPosition, empty square, or different color piece;
7028 click-click move is possible */
7029 if (toX == -2 || toY == -2) {
7030 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7031 DrawPosition(FALSE, boards[currentMove]);
7033 } else if (toX >= 0 && toY >= 0) {
7034 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7035 ChessSquare q, p = boards[0][rf][ff];
7036 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
7037 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
7038 else p = CHUDEMOTED (q = boards[0][rf][ff]);
7039 if(PieceToChar(q) == '+') gatingPiece = p;
7041 boards[0][toY][toX] = boards[0][fromY][fromX];
7042 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7043 if(boards[0][fromY][0] != EmptySquare) {
7044 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7045 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7048 if(fromX == BOARD_RGHT+1) {
7049 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7050 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7051 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7054 boards[0][fromY][fromX] = gatingPiece;
7055 DrawPosition(FALSE, boards[currentMove]);
7061 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7062 pup = boards[currentMove][toY][toX];
7064 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7065 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7066 if( pup != EmptySquare ) return;
7067 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7068 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7069 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7070 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7071 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7072 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7073 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7077 /* [HGM] always test for legality, to get promotion info */
7078 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7079 fromY, fromX, toY, toX, promoChar);
7081 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7083 /* [HGM] but possibly ignore an IllegalMove result */
7084 if (appData.testLegality) {
7085 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7086 DisplayMoveError(_("Illegal move"));
7091 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7092 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7093 ClearPremoveHighlights(); // was included
7094 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7098 if(addToBookFlag) { // adding moves to book
7099 char buf[MSG_SIZ], move[MSG_SIZ];
7100 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7101 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');
7102 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7104 addToBookFlag = FALSE;
7109 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7112 /* Common tail of UserMoveEvent and DropMenuEvent */
7114 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7118 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7119 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7120 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7121 if(WhiteOnMove(currentMove)) {
7122 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7124 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7128 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7129 move type in caller when we know the move is a legal promotion */
7130 if(moveType == NormalMove && promoChar)
7131 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7133 /* [HGM] <popupFix> The following if has been moved here from
7134 UserMoveEvent(). Because it seemed to belong here (why not allow
7135 piece drops in training games?), and because it can only be
7136 performed after it is known to what we promote. */
7137 if (gameMode == Training) {
7138 /* compare the move played on the board to the next move in the
7139 * game. If they match, display the move and the opponent's response.
7140 * If they don't match, display an error message.
7144 CopyBoard(testBoard, boards[currentMove]);
7145 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7147 if (CompareBoards(testBoard, boards[currentMove+1])) {
7148 ForwardInner(currentMove+1);
7150 /* Autoplay the opponent's response.
7151 * if appData.animate was TRUE when Training mode was entered,
7152 * the response will be animated.
7154 saveAnimate = appData.animate;
7155 appData.animate = animateTraining;
7156 ForwardInner(currentMove+1);
7157 appData.animate = saveAnimate;
7159 /* check for the end of the game */
7160 if (currentMove >= forwardMostMove) {
7161 gameMode = PlayFromGameFile;
7163 SetTrainingModeOff();
7164 DisplayInformation(_("End of game"));
7167 DisplayError(_("Incorrect move"), 0);
7172 /* Ok, now we know that the move is good, so we can kill
7173 the previous line in Analysis Mode */
7174 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7175 && currentMove < forwardMostMove) {
7176 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7177 else forwardMostMove = currentMove;
7182 /* If we need the chess program but it's dead, restart it */
7183 ResurrectChessProgram();
7185 /* A user move restarts a paused game*/
7189 thinkOutput[0] = NULLCHAR;
7191 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7193 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7194 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7198 if (gameMode == BeginningOfGame) {
7199 if (appData.noChessProgram) {
7200 gameMode = EditGame;
7204 gameMode = MachinePlaysBlack;
7207 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7209 if (first.sendName) {
7210 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7211 SendToProgram(buf, &first);
7218 /* Relay move to ICS or chess engine */
7219 if (appData.icsActive) {
7220 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7221 gameMode == IcsExamining) {
7222 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7223 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7225 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7227 // also send plain move, in case ICS does not understand atomic claims
7228 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7232 if (first.sendTime && (gameMode == BeginningOfGame ||
7233 gameMode == MachinePlaysWhite ||
7234 gameMode == MachinePlaysBlack)) {
7235 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7237 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7238 // [HGM] book: if program might be playing, let it use book
7239 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7240 first.maybeThinking = TRUE;
7241 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7242 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7243 SendBoard(&first, currentMove+1);
7244 if(second.analyzing) {
7245 if(!second.useSetboard) SendToProgram("undo\n", &second);
7246 SendBoard(&second, currentMove+1);
7249 SendMoveToProgram(forwardMostMove-1, &first);
7250 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7252 if (currentMove == cmailOldMove + 1) {
7253 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7257 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7261 if(appData.testLegality)
7262 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7268 if (WhiteOnMove(currentMove)) {
7269 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7271 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7275 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7280 case MachinePlaysBlack:
7281 case MachinePlaysWhite:
7282 /* disable certain menu options while machine is thinking */
7283 SetMachineThinkingEnables();
7290 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7291 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7293 if(bookHit) { // [HGM] book: simulate book reply
7294 static char bookMove[MSG_SIZ]; // a bit generous?
7296 programStats.nodes = programStats.depth = programStats.time =
7297 programStats.score = programStats.got_only_move = 0;
7298 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7300 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7301 strcat(bookMove, bookHit);
7302 HandleMachineMove(bookMove, &first);
7308 MarkByFEN(char *fen)
7311 if(!appData.markers || !appData.highlightDragging) return;
7312 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7313 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7317 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7318 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7319 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7320 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7321 if(*fen == 'T') marker[r][f++] = 0; else
7322 if(*fen == 'Y') marker[r][f++] = 1; else
7323 if(*fen == 'G') marker[r][f++] = 3; else
7324 if(*fen == 'B') marker[r][f++] = 4; else
7325 if(*fen == 'C') marker[r][f++] = 5; else
7326 if(*fen == 'M') marker[r][f++] = 6; else
7327 if(*fen == 'W') marker[r][f++] = 7; else
7328 if(*fen == 'D') marker[r][f++] = 8; else
7329 if(*fen == 'R') marker[r][f++] = 2; else {
7330 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7333 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7337 DrawPosition(TRUE, NULL);
7340 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7343 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7345 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7346 Markers *m = (Markers *) closure;
7347 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7348 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7349 || kind == WhiteCapturesEnPassant
7350 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1;
7351 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
7354 static int hoverSavedValid;
7357 MarkTargetSquares (int clear)
7360 if(clear) { // no reason to ever suppress clearing
7361 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7362 hoverSavedValid = 0;
7363 if(!sum) return; // nothing was cleared,no redraw needed
7366 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7367 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7368 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7369 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7370 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7372 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7375 DrawPosition(FALSE, NULL);
7379 Explode (Board board, int fromX, int fromY, int toX, int toY)
7381 if(gameInfo.variant == VariantAtomic &&
7382 (board[toY][toX] != EmptySquare || // capture?
7383 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7384 board[fromY][fromX] == BlackPawn )
7386 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7392 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7395 CanPromote (ChessSquare piece, int y)
7397 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7398 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7399 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7400 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7401 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7402 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7403 gameInfo.variant == VariantMakruk) return FALSE;
7404 return (piece == BlackPawn && y <= zone ||
7405 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7406 piece == BlackLance && y <= zone ||
7407 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7411 HoverEvent (int xPix, int yPix, int x, int y)
7413 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7415 if(!first.highlight) return;
7416 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7417 if(x == oldX && y == oldY) return; // only do something if we enter new square
7418 oldFromX = fromX; oldFromY = fromY;
7419 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7420 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7421 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7422 hoverSavedValid = 1;
7423 } else if(oldX != x || oldY != y) {
7424 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7425 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7426 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7427 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7428 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7430 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7431 SendToProgram(buf, &first);
7434 // SetHighlights(fromX, fromY, x, y);
7438 void ReportClick(char *action, int x, int y)
7440 char buf[MSG_SIZ]; // Inform engine of what user does
7442 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7443 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7444 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7445 if(!first.highlight || gameMode == EditPosition) return;
7446 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7447 SendToProgram(buf, &first);
7450 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7453 LeftClick (ClickType clickType, int xPix, int yPix)
7456 Boolean saveAnimate;
7457 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7458 char promoChoice = NULLCHAR;
7460 static TimeMark lastClickTime, prevClickTime;
7462 x = EventToSquare(xPix, BOARD_WIDTH);
7463 y = EventToSquare(yPix, BOARD_HEIGHT);
7464 if (!flipView && y >= 0) {
7465 y = BOARD_HEIGHT - 1 - y;
7467 if (flipView && x >= 0) {
7468 x = BOARD_WIDTH - 1 - x;
7471 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7473 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7478 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7480 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7482 if (clickType == Press) ErrorPopDown();
7483 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7485 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7486 defaultPromoChoice = promoSweep;
7487 promoSweep = EmptySquare; // terminate sweep
7488 promoDefaultAltered = TRUE;
7489 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7492 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7493 if(clickType == Release) return; // ignore upclick of click-click destination
7494 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7495 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7496 if(gameInfo.holdingsWidth &&
7497 (WhiteOnMove(currentMove)
7498 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7499 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7500 // click in right holdings, for determining promotion piece
7501 ChessSquare p = boards[currentMove][y][x];
7502 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7503 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7504 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7505 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7510 DrawPosition(FALSE, boards[currentMove]);
7514 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7515 if(clickType == Press
7516 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7517 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7518 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7521 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7522 // could be static click on premove from-square: abort premove
7524 ClearPremoveHighlights();
7527 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7528 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7530 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7531 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7532 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7533 defaultPromoChoice = DefaultPromoChoice(side);
7536 autoQueen = appData.alwaysPromoteToQueen;
7540 gatingPiece = EmptySquare;
7541 if (clickType != Press) {
7542 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7543 DragPieceEnd(xPix, yPix); dragging = 0;
7544 DrawPosition(FALSE, NULL);
7548 doubleClick = FALSE;
7549 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7550 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7552 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7553 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7554 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7555 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7557 if (OKToStartUserMove(fromX, fromY)) {
7559 ReportClick("lift", x, y);
7560 MarkTargetSquares(0);
7561 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7562 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7563 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7564 promoSweep = defaultPromoChoice;
7565 selectFlag = 0; lastX = xPix; lastY = yPix;
7566 Sweep(0); // Pawn that is going to promote: preview promotion piece
7567 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7569 if (appData.highlightDragging) {
7570 SetHighlights(fromX, fromY, -1, -1);
7574 } else fromX = fromY = -1;
7580 if (clickType == Press && gameMode != EditPosition) {
7585 // ignore off-board to clicks
7586 if(y < 0 || x < 0) return;
7588 /* Check if clicking again on the same color piece */
7589 fromP = boards[currentMove][fromY][fromX];
7590 toP = boards[currentMove][y][x];
7591 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7592 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7593 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7594 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7595 WhitePawn <= toP && toP <= WhiteKing &&
7596 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7597 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7598 (BlackPawn <= fromP && fromP <= BlackKing &&
7599 BlackPawn <= toP && toP <= BlackKing &&
7600 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7601 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7602 /* Clicked again on same color piece -- changed his mind */
7603 second = (x == fromX && y == fromY);
7605 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7606 second = FALSE; // first double-click rather than scond click
7607 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7609 promoDefaultAltered = FALSE;
7610 MarkTargetSquares(1);
7611 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7612 if (appData.highlightDragging) {
7613 SetHighlights(x, y, -1, -1);
7617 if (OKToStartUserMove(x, y)) {
7618 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7619 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7620 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7621 gatingPiece = boards[currentMove][fromY][fromX];
7622 else gatingPiece = doubleClick ? fromP : EmptySquare;
7624 fromY = y; dragging = 1;
7625 if(!second) ReportClick("lift", x, y);
7626 MarkTargetSquares(0);
7627 DragPieceBegin(xPix, yPix, FALSE);
7628 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7629 promoSweep = defaultPromoChoice;
7630 selectFlag = 0; lastX = xPix; lastY = yPix;
7631 Sweep(0); // Pawn that is going to promote: preview promotion piece
7635 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7638 // ignore clicks on holdings
7639 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7642 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7643 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7644 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7648 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7649 DragPieceEnd(xPix, yPix); dragging = 0;
7651 // a deferred attempt to click-click move an empty square on top of a piece
7652 boards[currentMove][y][x] = EmptySquare;
7654 DrawPosition(FALSE, boards[currentMove]);
7655 fromX = fromY = -1; clearFlag = 0;
7658 if (appData.animateDragging) {
7659 /* Undo animation damage if any */
7660 DrawPosition(FALSE, NULL);
7663 /* Second up/down in same square; just abort move */
7666 gatingPiece = EmptySquare;
7667 MarkTargetSquares(1);
7670 ClearPremoveHighlights();
7672 /* First upclick in same square; start click-click mode */
7673 SetHighlights(x, y, -1, -1);
7680 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7681 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7682 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7683 DisplayMessage(_("only marked squares are legal"),"");
7684 DrawPosition(TRUE, NULL);
7685 return; // ignore to-click
7688 /* we now have a different from- and (possibly off-board) to-square */
7689 /* Completed move */
7690 if(!sweepSelecting) {
7695 piece = boards[currentMove][fromY][fromX];
7697 saveAnimate = appData.animate;
7698 if (clickType == Press) {
7699 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7700 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7701 // must be Edit Position mode with empty-square selected
7702 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7703 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7706 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7709 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7710 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7712 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7713 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7714 if(appData.sweepSelect) {
7715 promoSweep = defaultPromoChoice;
7716 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7717 selectFlag = 0; lastX = xPix; lastY = yPix;
7718 Sweep(0); // Pawn that is going to promote: preview promotion piece
7720 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7721 MarkTargetSquares(1);
7723 return; // promo popup appears on up-click
7725 /* Finish clickclick move */
7726 if (appData.animate || appData.highlightLastMove) {
7727 SetHighlights(fromX, fromY, toX, toY);
7731 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7732 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7733 if (appData.animate || appData.highlightLastMove) {
7734 SetHighlights(fromX, fromY, toX, toY);
7740 // [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
7741 /* Finish drag move */
7742 if (appData.highlightLastMove) {
7743 SetHighlights(fromX, fromY, toX, toY);
7748 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7749 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7750 dragging *= 2; // flag button-less dragging if we are dragging
7751 MarkTargetSquares(1);
7752 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7754 kill2X = killX; kill2Y = killY;
7755 killX = x; killY = y; //remeber this square as intermediate
7756 ReportClick("put", x, y); // and inform engine
7757 ReportClick("lift", x, y);
7758 MarkTargetSquares(0);
7762 DragPieceEnd(xPix, yPix); dragging = 0;
7763 /* Don't animate move and drag both */
7764 appData.animate = FALSE;
7767 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7768 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7769 ChessSquare piece = boards[currentMove][fromY][fromX];
7770 if(gameMode == EditPosition && piece != EmptySquare &&
7771 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7774 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7775 n = PieceToNumber(piece - (int)BlackPawn);
7776 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7777 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7778 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7780 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7781 n = PieceToNumber(piece);
7782 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7783 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7784 boards[currentMove][n][BOARD_WIDTH-2]++;
7786 boards[currentMove][fromY][fromX] = EmptySquare;
7790 MarkTargetSquares(1);
7791 DrawPosition(TRUE, boards[currentMove]);
7795 // off-board moves should not be highlighted
7796 if(x < 0 || y < 0) ClearHighlights();
7797 else ReportClick("put", x, y);
7799 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7801 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7803 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7804 SetHighlights(fromX, fromY, toX, toY);
7805 MarkTargetSquares(1);
7806 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7807 // [HGM] super: promotion to captured piece selected from holdings
7808 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7809 promotionChoice = TRUE;
7810 // kludge follows to temporarily execute move on display, without promoting yet
7811 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7812 boards[currentMove][toY][toX] = p;
7813 DrawPosition(FALSE, boards[currentMove]);
7814 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7815 boards[currentMove][toY][toX] = q;
7816 DisplayMessage("Click in holdings to choose piece", "");
7819 PromotionPopUp(promoChoice);
7821 int oldMove = currentMove;
7822 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7823 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7824 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7825 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7826 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7827 DrawPosition(TRUE, boards[currentMove]);
7828 MarkTargetSquares(1);
7831 appData.animate = saveAnimate;
7832 if (appData.animate || appData.animateDragging) {
7833 /* Undo animation damage if needed */
7834 DrawPosition(FALSE, NULL);
7839 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7840 { // front-end-free part taken out of PieceMenuPopup
7841 int whichMenu; int xSqr, ySqr;
7843 if(seekGraphUp) { // [HGM] seekgraph
7844 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7845 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7849 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7850 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7851 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7852 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7853 if(action == Press) {
7854 originalFlip = flipView;
7855 flipView = !flipView; // temporarily flip board to see game from partners perspective
7856 DrawPosition(TRUE, partnerBoard);
7857 DisplayMessage(partnerStatus, "");
7859 } else if(action == Release) {
7860 flipView = originalFlip;
7861 DrawPosition(TRUE, boards[currentMove]);
7867 xSqr = EventToSquare(x, BOARD_WIDTH);
7868 ySqr = EventToSquare(y, BOARD_HEIGHT);
7869 if (action == Release) {
7870 if(pieceSweep != EmptySquare) {
7871 EditPositionMenuEvent(pieceSweep, toX, toY);
7872 pieceSweep = EmptySquare;
7873 } else UnLoadPV(); // [HGM] pv
7875 if (action != Press) return -2; // return code to be ignored
7878 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7880 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7881 if (xSqr < 0 || ySqr < 0) return -1;
7882 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7883 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7884 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7885 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7889 if(!appData.icsEngineAnalyze) return -1;
7890 case IcsPlayingWhite:
7891 case IcsPlayingBlack:
7892 if(!appData.zippyPlay) goto noZip;
7895 case MachinePlaysWhite:
7896 case MachinePlaysBlack:
7897 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7898 if (!appData.dropMenu) {
7900 return 2; // flag front-end to grab mouse events
7902 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7903 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7906 if (xSqr < 0 || ySqr < 0) return -1;
7907 if (!appData.dropMenu || appData.testLegality &&
7908 gameInfo.variant != VariantBughouse &&
7909 gameInfo.variant != VariantCrazyhouse) return -1;
7910 whichMenu = 1; // drop menu
7916 if (((*fromX = xSqr) < 0) ||
7917 ((*fromY = ySqr) < 0)) {
7918 *fromX = *fromY = -1;
7922 *fromX = BOARD_WIDTH - 1 - *fromX;
7924 *fromY = BOARD_HEIGHT - 1 - *fromY;
7930 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7932 // char * hint = lastHint;
7933 FrontEndProgramStats stats;
7935 stats.which = cps == &first ? 0 : 1;
7936 stats.depth = cpstats->depth;
7937 stats.nodes = cpstats->nodes;
7938 stats.score = cpstats->score;
7939 stats.time = cpstats->time;
7940 stats.pv = cpstats->movelist;
7941 stats.hint = lastHint;
7942 stats.an_move_index = 0;
7943 stats.an_move_count = 0;
7945 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7946 stats.hint = cpstats->move_name;
7947 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7948 stats.an_move_count = cpstats->nr_moves;
7951 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
7953 SetProgramStats( &stats );
7957 ClearEngineOutputPane (int which)
7959 static FrontEndProgramStats dummyStats;
7960 dummyStats.which = which;
7961 dummyStats.pv = "#";
7962 SetProgramStats( &dummyStats );
7965 #define MAXPLAYERS 500
7968 TourneyStandings (int display)
7970 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7971 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7972 char result, *p, *names[MAXPLAYERS];
7974 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7975 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7976 names[0] = p = strdup(appData.participants);
7977 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7979 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7981 while(result = appData.results[nr]) {
7982 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7983 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7984 wScore = bScore = 0;
7986 case '+': wScore = 2; break;
7987 case '-': bScore = 2; break;
7988 case '=': wScore = bScore = 1; break;
7990 case '*': return strdup("busy"); // tourney not finished
7998 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7999 for(w=0; w<nPlayers; w++) {
8001 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8002 ranking[w] = b; points[w] = bScore; score[b] = -2;
8004 p = malloc(nPlayers*34+1);
8005 for(w=0; w<nPlayers && w<display; w++)
8006 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8012 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8013 { // count all piece types
8015 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8016 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8017 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8020 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8021 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8022 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8023 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8024 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8025 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8030 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8032 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8033 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8035 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8036 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8037 if(myPawns == 2 && nMine == 3) // KPP
8038 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8039 if(myPawns == 1 && nMine == 2) // KP
8040 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8041 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8042 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8043 if(myPawns) return FALSE;
8044 if(pCnt[WhiteRook+side])
8045 return pCnt[BlackRook-side] ||
8046 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8047 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8048 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8049 if(pCnt[WhiteCannon+side]) {
8050 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8051 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8053 if(pCnt[WhiteKnight+side])
8054 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8059 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8061 VariantClass v = gameInfo.variant;
8063 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8064 if(v == VariantShatranj) return TRUE; // always winnable through baring
8065 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8066 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8068 if(v == VariantXiangqi) {
8069 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8071 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8072 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8073 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8074 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8075 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8076 if(stale) // we have at least one last-rank P plus perhaps C
8077 return majors // KPKX
8078 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8080 return pCnt[WhiteFerz+side] // KCAK
8081 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8082 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8083 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8085 } else if(v == VariantKnightmate) {
8086 if(nMine == 1) return FALSE;
8087 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8088 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8089 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8091 if(nMine == 1) return FALSE; // bare King
8092 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
8093 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8094 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8095 // by now we have King + 1 piece (or multiple Bishops on the same color)
8096 if(pCnt[WhiteKnight+side])
8097 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8098 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8099 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8101 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8102 if(pCnt[WhiteAlfil+side])
8103 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8104 if(pCnt[WhiteWazir+side])
8105 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8112 CompareWithRights (Board b1, Board b2)
8115 if(!CompareBoards(b1, b2)) return FALSE;
8116 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8117 /* compare castling rights */
8118 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8119 rights++; /* King lost rights, while rook still had them */
8120 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8121 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8122 rights++; /* but at least one rook lost them */
8124 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8126 if( b1[CASTLING][5] != NoRights ) {
8127 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8134 Adjudicate (ChessProgramState *cps)
8135 { // [HGM] some adjudications useful with buggy engines
8136 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8137 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8138 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8139 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8140 int k, drop, count = 0; static int bare = 1;
8141 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8142 Boolean canAdjudicate = !appData.icsActive;
8144 // most tests only when we understand the game, i.e. legality-checking on
8145 if( appData.testLegality )
8146 { /* [HGM] Some more adjudications for obstinate engines */
8147 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8148 static int moveCount = 6;
8150 char *reason = NULL;
8152 /* Count what is on board. */
8153 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8155 /* Some material-based adjudications that have to be made before stalemate test */
8156 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8157 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8158 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8159 if(canAdjudicate && appData.checkMates) {
8161 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8162 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8163 "Xboard adjudication: King destroyed", GE_XBOARD );
8168 /* Bare King in Shatranj (loses) or Losers (wins) */
8169 if( nrW == 1 || nrB == 1) {
8170 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8171 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8172 if(canAdjudicate && appData.checkMates) {
8174 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8175 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8176 "Xboard adjudication: Bare king", GE_XBOARD );
8180 if( gameInfo.variant == VariantShatranj && --bare < 0)
8182 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8183 if(canAdjudicate && appData.checkMates) {
8184 /* but only adjudicate if adjudication enabled */
8186 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8187 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8188 "Xboard adjudication: Bare king", GE_XBOARD );
8195 // don't wait for engine to announce game end if we can judge ourselves
8196 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8198 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8199 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8200 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8201 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8204 reason = "Xboard adjudication: 3rd check";
8205 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8216 reason = "Xboard adjudication: Stalemate";
8217 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8218 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8219 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8220 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8221 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8222 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8223 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8224 EP_CHECKMATE : EP_WINS);
8225 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8226 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8230 reason = "Xboard adjudication: Checkmate";
8231 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8232 if(gameInfo.variant == VariantShogi) {
8233 if(forwardMostMove > backwardMostMove
8234 && moveList[forwardMostMove-1][1] == '@'
8235 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8236 reason = "XBoard adjudication: pawn-drop mate";
8237 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8243 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8245 result = GameIsDrawn; break;
8247 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8249 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8253 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8255 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8256 GameEnds( result, reason, GE_XBOARD );
8260 /* Next absolutely insufficient mating material. */
8261 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8262 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8263 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8265 /* always flag draws, for judging claims */
8266 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8268 if(canAdjudicate && appData.materialDraws) {
8269 /* but only adjudicate them if adjudication enabled */
8270 if(engineOpponent) {
8271 SendToProgram("force\n", engineOpponent); // suppress reply
8272 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8274 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8279 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8280 if(gameInfo.variant == VariantXiangqi ?
8281 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8283 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8284 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8285 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8286 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8288 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8289 { /* if the first 3 moves do not show a tactical win, declare draw */
8290 if(engineOpponent) {
8291 SendToProgram("force\n", engineOpponent); // suppress reply
8292 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8294 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8297 } else moveCount = 6;
8300 // Repetition draws and 50-move rule can be applied independently of legality testing
8302 /* Check for rep-draws */
8304 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8305 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8306 for(k = forwardMostMove-2;
8307 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8308 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8309 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8312 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8313 /* compare castling rights */
8314 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8315 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8316 rights++; /* King lost rights, while rook still had them */
8317 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8318 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8319 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8320 rights++; /* but at least one rook lost them */
8322 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8323 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8325 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8326 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8327 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8330 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8331 && appData.drawRepeats > 1) {
8332 /* adjudicate after user-specified nr of repeats */
8333 int result = GameIsDrawn;
8334 char *details = "XBoard adjudication: repetition draw";
8335 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8336 // [HGM] xiangqi: check for forbidden perpetuals
8337 int m, ourPerpetual = 1, hisPerpetual = 1;
8338 for(m=forwardMostMove; m>k; m-=2) {
8339 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8340 ourPerpetual = 0; // the current mover did not always check
8341 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8342 hisPerpetual = 0; // the opponent did not always check
8344 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8345 ourPerpetual, hisPerpetual);
8346 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8347 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8348 details = "Xboard adjudication: perpetual checking";
8350 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8351 break; // (or we would have caught him before). Abort repetition-checking loop.
8353 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8354 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8356 details = "Xboard adjudication: repetition";
8358 } else // it must be XQ
8359 // Now check for perpetual chases
8360 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8361 hisPerpetual = PerpetualChase(k, forwardMostMove);
8362 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8363 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8364 static char resdet[MSG_SIZ];
8365 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8367 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8369 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8370 break; // Abort repetition-checking loop.
8372 // if neither of us is checking or chasing all the time, or both are, it is draw
8374 if(engineOpponent) {
8375 SendToProgram("force\n", engineOpponent); // suppress reply
8376 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8378 GameEnds( result, details, GE_XBOARD );
8381 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8382 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8386 /* Now we test for 50-move draws. Determine ply count */
8387 count = forwardMostMove;
8388 /* look for last irreversble move */
8389 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8391 /* if we hit starting position, add initial plies */
8392 if( count == backwardMostMove )
8393 count -= initialRulePlies;
8394 count = forwardMostMove - count;
8395 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8396 // adjust reversible move counter for checks in Xiangqi
8397 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8398 if(i < backwardMostMove) i = backwardMostMove;
8399 while(i <= forwardMostMove) {
8400 lastCheck = inCheck; // check evasion does not count
8401 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8402 if(inCheck || lastCheck) count--; // check does not count
8407 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8408 /* this is used to judge if draw claims are legal */
8409 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8410 if(engineOpponent) {
8411 SendToProgram("force\n", engineOpponent); // suppress reply
8412 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8414 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8418 /* if draw offer is pending, treat it as a draw claim
8419 * when draw condition present, to allow engines a way to
8420 * claim draws before making their move to avoid a race
8421 * condition occurring after their move
8423 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8425 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8426 p = "Draw claim: 50-move rule";
8427 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8428 p = "Draw claim: 3-fold repetition";
8429 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8430 p = "Draw claim: insufficient mating material";
8431 if( p != NULL && canAdjudicate) {
8432 if(engineOpponent) {
8433 SendToProgram("force\n", engineOpponent); // suppress reply
8434 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8436 GameEnds( GameIsDrawn, p, GE_XBOARD );
8441 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8442 if(engineOpponent) {
8443 SendToProgram("force\n", engineOpponent); // suppress reply
8444 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8446 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8452 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8453 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8454 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8459 int pieces[10], squares[10], cnt=0, r, f, res;
8461 static PPROBE_EGBB probeBB;
8462 if(!appData.testLegality) return 10;
8463 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8464 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8465 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8466 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8467 ChessSquare piece = boards[forwardMostMove][r][f];
8468 int black = (piece >= BlackPawn);
8469 int type = piece - black*BlackPawn;
8470 if(piece == EmptySquare) continue;
8471 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8472 if(type == WhiteKing) type = WhiteQueen + 1;
8473 type = egbbCode[type];
8474 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8475 pieces[cnt] = type + black*6;
8476 if(++cnt > 5) return 11;
8478 pieces[cnt] = squares[cnt] = 0;
8480 if(loaded == 2) return 13; // loading failed before
8482 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8485 loaded = 2; // prepare for failure
8486 if(!path) return 13; // no egbb installed
8487 strncpy(buf, path + 8, MSG_SIZ);
8488 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8489 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8490 lib = LoadLibrary(buf);
8491 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8492 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8493 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8494 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8495 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8496 loaded = 1; // success!
8498 res = probeBB(forwardMostMove & 1, pieces, squares);
8499 return res > 0 ? 1 : res < 0 ? -1 : 0;
8503 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8504 { // [HGM] book: this routine intercepts moves to simulate book replies
8505 char *bookHit = NULL;
8507 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8509 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8510 SendToProgram(buf, cps);
8512 //first determine if the incoming move brings opponent into his book
8513 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8514 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8515 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8516 if(bookHit != NULL && !cps->bookSuspend) {
8517 // make sure opponent is not going to reply after receiving move to book position
8518 SendToProgram("force\n", cps);
8519 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8521 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8522 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8523 // now arrange restart after book miss
8525 // after a book hit we never send 'go', and the code after the call to this routine
8526 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8527 char buf[MSG_SIZ], *move = bookHit;
8529 int fromX, fromY, toX, toY;
8533 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8534 &fromX, &fromY, &toX, &toY, &promoChar)) {
8535 (void) CoordsToAlgebraic(boards[forwardMostMove],
8536 PosFlags(forwardMostMove),
8537 fromY, fromX, toY, toX, promoChar, move);
8539 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8543 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8544 SendToProgram(buf, cps);
8545 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8546 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8547 SendToProgram("go\n", cps);
8548 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8549 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8550 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8551 SendToProgram("go\n", cps);
8552 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8554 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8558 LoadError (char *errmess, ChessProgramState *cps)
8559 { // unloads engine and switches back to -ncp mode if it was first
8560 if(cps->initDone) return FALSE;
8561 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8562 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8565 appData.noChessProgram = TRUE;
8566 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8567 gameMode = BeginningOfGame; ModeHighlight();
8570 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8571 DisplayMessage("", ""); // erase waiting message
8572 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8577 ChessProgramState *savedState;
8579 DeferredBookMove (void)
8581 if(savedState->lastPing != savedState->lastPong)
8582 ScheduleDelayedEvent(DeferredBookMove, 10);
8584 HandleMachineMove(savedMessage, savedState);
8587 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8588 static ChessProgramState *stalledEngine;
8589 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8592 HandleMachineMove (char *message, ChessProgramState *cps)
8594 static char firstLeg[20];
8595 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8596 char realname[MSG_SIZ];
8597 int fromX, fromY, toX, toY;
8599 char promoChar, roar;
8601 int machineWhite, oldError;
8604 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8605 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8606 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8607 DisplayError(_("Invalid pairing from pairing engine"), 0);
8610 pairingReceived = 1;
8612 return; // Skim the pairing messages here.
8615 oldError = cps->userError; cps->userError = 0;
8617 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8619 * Kludge to ignore BEL characters
8621 while (*message == '\007') message++;
8624 * [HGM] engine debug message: ignore lines starting with '#' character
8626 if(cps->debug && *message == '#') return;
8629 * Look for book output
8631 if (cps == &first && bookRequested) {
8632 if (message[0] == '\t' || message[0] == ' ') {
8633 /* Part of the book output is here; append it */
8634 strcat(bookOutput, message);
8635 strcat(bookOutput, " \n");
8637 } else if (bookOutput[0] != NULLCHAR) {
8638 /* All of book output has arrived; display it */
8639 char *p = bookOutput;
8640 while (*p != NULLCHAR) {
8641 if (*p == '\t') *p = ' ';
8644 DisplayInformation(bookOutput);
8645 bookRequested = FALSE;
8646 /* Fall through to parse the current output */
8651 * Look for machine move.
8653 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8654 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8656 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8657 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8658 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8659 stalledEngine = cps;
8660 if(appData.ponderNextMove) { // bring opponent out of ponder
8661 if(gameMode == TwoMachinesPlay) {
8662 if(cps->other->pause)
8663 PauseEngine(cps->other);
8665 SendToProgram("easy\n", cps->other);
8674 /* This method is only useful on engines that support ping */
8675 if(abortEngineThink) {
8676 if (appData.debugMode) {
8677 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8679 SendToProgram("undo\n", cps);
8683 if (cps->lastPing != cps->lastPong) {
8684 /* Extra move from before last new; ignore */
8685 if (appData.debugMode) {
8686 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8694 case BeginningOfGame:
8695 /* Extra move from before last reset; ignore */
8696 if (appData.debugMode) {
8697 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8704 /* Extra move after we tried to stop. The mode test is
8705 not a reliable way of detecting this problem, but it's
8706 the best we can do on engines that don't support ping.
8708 if (appData.debugMode) {
8709 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8710 cps->which, gameMode);
8712 SendToProgram("undo\n", cps);
8715 case MachinePlaysWhite:
8716 case IcsPlayingWhite:
8717 machineWhite = TRUE;
8720 case MachinePlaysBlack:
8721 case IcsPlayingBlack:
8722 machineWhite = FALSE;
8725 case TwoMachinesPlay:
8726 machineWhite = (cps->twoMachinesColor[0] == 'w');
8729 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8730 if (appData.debugMode) {
8732 "Ignoring move out of turn by %s, gameMode %d"
8733 ", forwardMost %d\n",
8734 cps->which, gameMode, forwardMostMove);
8740 if(cps->alphaRank) AlphaRank(machineMove, 4);
8742 // [HGM] lion: (some very limited) support for Alien protocol
8743 killX = killY = kill2X = kill2Y = -1;
8744 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8745 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8748 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8749 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8750 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8752 if(firstLeg[0]) { // there was a previous leg;
8753 // only support case where same piece makes two step
8754 char buf[20], *p = machineMove+1, *q = buf+1, f;
8755 safeStrCpy(buf, machineMove, 20);
8756 while(isdigit(*q)) q++; // find start of to-square
8757 safeStrCpy(machineMove, firstLeg, 20);
8758 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8759 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8760 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8761 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8762 firstLeg[0] = NULLCHAR;
8765 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8766 &fromX, &fromY, &toX, &toY, &promoChar)) {
8767 /* Machine move could not be parsed; ignore it. */
8768 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8769 machineMove, _(cps->which));
8770 DisplayMoveError(buf1);
8771 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8772 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8773 if (gameMode == TwoMachinesPlay) {
8774 GameEnds(machineWhite ? BlackWins : WhiteWins,
8780 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8781 /* So we have to redo legality test with true e.p. status here, */
8782 /* to make sure an illegal e.p. capture does not slip through, */
8783 /* to cause a forfeit on a justified illegal-move complaint */
8784 /* of the opponent. */
8785 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8787 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8788 fromY, fromX, toY, toX, promoChar);
8789 if(moveType == IllegalMove) {
8790 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8791 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8792 GameEnds(machineWhite ? BlackWins : WhiteWins,
8795 } else if(!appData.fischerCastling)
8796 /* [HGM] Kludge to handle engines that send FRC-style castling
8797 when they shouldn't (like TSCP-Gothic) */
8799 case WhiteASideCastleFR:
8800 case BlackASideCastleFR:
8802 currentMoveString[2]++;
8804 case WhiteHSideCastleFR:
8805 case BlackHSideCastleFR:
8807 currentMoveString[2]--;
8809 default: ; // nothing to do, but suppresses warning of pedantic compilers
8812 hintRequested = FALSE;
8813 lastHint[0] = NULLCHAR;
8814 bookRequested = FALSE;
8815 /* Program may be pondering now */
8816 cps->maybeThinking = TRUE;
8817 if (cps->sendTime == 2) cps->sendTime = 1;
8818 if (cps->offeredDraw) cps->offeredDraw--;
8820 /* [AS] Save move info*/
8821 pvInfoList[ forwardMostMove ].score = programStats.score;
8822 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8823 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8825 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8827 /* Test suites abort the 'game' after one move */
8828 if(*appData.finger) {
8830 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8831 if(!f) f = fopen(appData.finger, "w");
8832 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8833 else { DisplayFatalError("Bad output file", errno, 0); return; }
8835 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8838 if(solvingTime >= 0) {
8839 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8840 totalTime += solvingTime; first.matchWins++;
8842 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8845 OutputKibitz(2, buf1);
8846 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8849 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8850 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8853 while( count < adjudicateLossPlies ) {
8854 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8857 score = -score; /* Flip score for winning side */
8860 if( score > appData.adjudicateLossThreshold ) {
8867 if( count >= adjudicateLossPlies ) {
8868 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8870 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8871 "Xboard adjudication",
8878 if(Adjudicate(cps)) {
8879 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8880 return; // [HGM] adjudicate: for all automatic game ends
8884 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8886 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8887 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8889 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8891 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8893 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8894 char buf[3*MSG_SIZ];
8896 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8897 programStats.score / 100.,
8899 programStats.time / 100.,
8900 (unsigned int)programStats.nodes,
8901 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8902 programStats.movelist);
8908 /* [AS] Clear stats for next move */
8909 ClearProgramStats();
8910 thinkOutput[0] = NULLCHAR;
8911 hiddenThinkOutputState = 0;
8914 if (gameMode == TwoMachinesPlay) {
8915 /* [HGM] relaying draw offers moved to after reception of move */
8916 /* and interpreting offer as claim if it brings draw condition */
8917 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8918 SendToProgram("draw\n", cps->other);
8920 if (cps->other->sendTime) {
8921 SendTimeRemaining(cps->other,
8922 cps->other->twoMachinesColor[0] == 'w');
8924 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8925 if (firstMove && !bookHit) {
8927 if (cps->other->useColors) {
8928 SendToProgram(cps->other->twoMachinesColor, cps->other);
8930 SendToProgram("go\n", cps->other);
8932 cps->other->maybeThinking = TRUE;
8935 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8937 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8939 if (!pausing && appData.ringBellAfterMoves) {
8940 if(!roar) RingBell();
8944 * Reenable menu items that were disabled while
8945 * machine was thinking
8947 if (gameMode != TwoMachinesPlay)
8948 SetUserThinkingEnables();
8950 // [HGM] book: after book hit opponent has received move and is now in force mode
8951 // force the book reply into it, and then fake that it outputted this move by jumping
8952 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8954 static char bookMove[MSG_SIZ]; // a bit generous?
8956 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8957 strcat(bookMove, bookHit);
8960 programStats.nodes = programStats.depth = programStats.time =
8961 programStats.score = programStats.got_only_move = 0;
8962 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8964 if(cps->lastPing != cps->lastPong) {
8965 savedMessage = message; // args for deferred call
8967 ScheduleDelayedEvent(DeferredBookMove, 10);
8976 /* Set special modes for chess engines. Later something general
8977 * could be added here; for now there is just one kludge feature,
8978 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8979 * when "xboard" is given as an interactive command.
8981 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8982 cps->useSigint = FALSE;
8983 cps->useSigterm = FALSE;
8985 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8986 ParseFeatures(message+8, cps);
8987 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8990 if (!strncmp(message, "setup ", 6) &&
8991 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8992 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8993 ) { // [HGM] allow first engine to define opening position
8994 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8995 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8997 if(sscanf(message, "setup (%s", buf) == 1) {
8998 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
8999 ASSIGN(appData.pieceToCharTable, buf);
9001 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9003 while(message[s] && message[s++] != ' ');
9004 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9005 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9006 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9007 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9008 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9009 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9010 startedFromSetupPosition = FALSE;
9013 if(startedFromSetupPosition) return;
9014 ParseFEN(boards[0], &dummy, message+s, FALSE);
9015 DrawPosition(TRUE, boards[0]);
9016 CopyBoard(initialPosition, boards[0]);
9017 startedFromSetupPosition = TRUE;
9020 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9021 ChessSquare piece = WhitePawn;
9022 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9023 if(*p == '+') piece = CHUPROMOTED WhitePawn, ID = *++p;
9024 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9025 piece += CharToPiece(ID & 255) - WhitePawn;
9026 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9027 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9028 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9029 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9030 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9031 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9032 && gameInfo.variant != VariantGreat
9033 && gameInfo.variant != VariantFairy ) return;
9034 if(piece < EmptySquare) {
9036 ASSIGN(pieceDesc[piece], buf1);
9037 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9041 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9042 * want this, I was asked to put it in, and obliged.
9044 if (!strncmp(message, "setboard ", 9)) {
9045 Board initial_position;
9047 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9049 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9050 DisplayError(_("Bad FEN received from engine"), 0);
9054 CopyBoard(boards[0], initial_position);
9055 initialRulePlies = FENrulePlies;
9056 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9057 else gameMode = MachinePlaysBlack;
9058 DrawPosition(FALSE, boards[currentMove]);
9064 * Look for communication commands
9066 if (!strncmp(message, "telluser ", 9)) {
9067 if(message[9] == '\\' && message[10] == '\\')
9068 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9070 DisplayNote(message + 9);
9073 if (!strncmp(message, "tellusererror ", 14)) {
9075 if(message[14] == '\\' && message[15] == '\\')
9076 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9078 DisplayError(message + 14, 0);
9081 if (!strncmp(message, "tellopponent ", 13)) {
9082 if (appData.icsActive) {
9084 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9088 DisplayNote(message + 13);
9092 if (!strncmp(message, "tellothers ", 11)) {
9093 if (appData.icsActive) {
9095 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9098 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9101 if (!strncmp(message, "tellall ", 8)) {
9102 if (appData.icsActive) {
9104 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9108 DisplayNote(message + 8);
9112 if (strncmp(message, "warning", 7) == 0) {
9113 /* Undocumented feature, use tellusererror in new code */
9114 DisplayError(message, 0);
9117 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9118 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9119 strcat(realname, " query");
9120 AskQuestion(realname, buf2, buf1, cps->pr);
9123 /* Commands from the engine directly to ICS. We don't allow these to be
9124 * sent until we are logged on. Crafty kibitzes have been known to
9125 * interfere with the login process.
9128 if (!strncmp(message, "tellics ", 8)) {
9129 SendToICS(message + 8);
9133 if (!strncmp(message, "tellicsnoalias ", 15)) {
9134 SendToICS(ics_prefix);
9135 SendToICS(message + 15);
9139 /* The following are for backward compatibility only */
9140 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9141 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9142 SendToICS(ics_prefix);
9148 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9149 if(initPing == cps->lastPong) {
9150 if(gameInfo.variant == VariantUnknown) {
9151 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9152 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9153 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9157 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9158 abortEngineThink = FALSE;
9159 DisplayMessage("", "");
9164 if(!strncmp(message, "highlight ", 10)) {
9165 if(appData.testLegality && !*engineVariant && appData.markers) return;
9166 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9169 if(!strncmp(message, "click ", 6)) {
9170 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9171 if(appData.testLegality || !appData.oneClick) return;
9172 sscanf(message+6, "%c%d%c", &f, &y, &c);
9173 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9174 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9175 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9176 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9177 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9178 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9179 LeftClick(Release, lastLeftX, lastLeftY);
9180 controlKey = (c == ',');
9181 LeftClick(Press, x, y);
9182 LeftClick(Release, x, y);
9183 first.highlight = f;
9187 * If the move is illegal, cancel it and redraw the board.
9188 * Also deal with other error cases. Matching is rather loose
9189 * here to accommodate engines written before the spec.
9191 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9192 strncmp(message, "Error", 5) == 0) {
9193 if (StrStr(message, "name") ||
9194 StrStr(message, "rating") || StrStr(message, "?") ||
9195 StrStr(message, "result") || StrStr(message, "board") ||
9196 StrStr(message, "bk") || StrStr(message, "computer") ||
9197 StrStr(message, "variant") || StrStr(message, "hint") ||
9198 StrStr(message, "random") || StrStr(message, "depth") ||
9199 StrStr(message, "accepted")) {
9202 if (StrStr(message, "protover")) {
9203 /* Program is responding to input, so it's apparently done
9204 initializing, and this error message indicates it is
9205 protocol version 1. So we don't need to wait any longer
9206 for it to initialize and send feature commands. */
9207 FeatureDone(cps, 1);
9208 cps->protocolVersion = 1;
9211 cps->maybeThinking = FALSE;
9213 if (StrStr(message, "draw")) {
9214 /* Program doesn't have "draw" command */
9215 cps->sendDrawOffers = 0;
9218 if (cps->sendTime != 1 &&
9219 (StrStr(message, "time") || StrStr(message, "otim"))) {
9220 /* Program apparently doesn't have "time" or "otim" command */
9224 if (StrStr(message, "analyze")) {
9225 cps->analysisSupport = FALSE;
9226 cps->analyzing = FALSE;
9227 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9228 EditGameEvent(); // [HGM] try to preserve loaded game
9229 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9230 DisplayError(buf2, 0);
9233 if (StrStr(message, "(no matching move)st")) {
9234 /* Special kludge for GNU Chess 4 only */
9235 cps->stKludge = TRUE;
9236 SendTimeControl(cps, movesPerSession, timeControl,
9237 timeIncrement, appData.searchDepth,
9241 if (StrStr(message, "(no matching move)sd")) {
9242 /* Special kludge for GNU Chess 4 only */
9243 cps->sdKludge = TRUE;
9244 SendTimeControl(cps, movesPerSession, timeControl,
9245 timeIncrement, appData.searchDepth,
9249 if (!StrStr(message, "llegal")) {
9252 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9253 gameMode == IcsIdle) return;
9254 if (forwardMostMove <= backwardMostMove) return;
9255 if (pausing) PauseEvent();
9256 if(appData.forceIllegal) {
9257 // [HGM] illegal: machine refused move; force position after move into it
9258 SendToProgram("force\n", cps);
9259 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9260 // we have a real problem now, as SendBoard will use the a2a3 kludge
9261 // when black is to move, while there might be nothing on a2 or black
9262 // might already have the move. So send the board as if white has the move.
9263 // But first we must change the stm of the engine, as it refused the last move
9264 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9265 if(WhiteOnMove(forwardMostMove)) {
9266 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9267 SendBoard(cps, forwardMostMove); // kludgeless board
9269 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9270 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9271 SendBoard(cps, forwardMostMove+1); // kludgeless board
9273 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9274 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9275 gameMode == TwoMachinesPlay)
9276 SendToProgram("go\n", cps);
9279 if (gameMode == PlayFromGameFile) {
9280 /* Stop reading this game file */
9281 gameMode = EditGame;
9284 /* [HGM] illegal-move claim should forfeit game when Xboard */
9285 /* only passes fully legal moves */
9286 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9287 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9288 "False illegal-move claim", GE_XBOARD );
9289 return; // do not take back move we tested as valid
9291 currentMove = forwardMostMove-1;
9292 DisplayMove(currentMove-1); /* before DisplayMoveError */
9293 SwitchClocks(forwardMostMove-1); // [HGM] race
9294 DisplayBothClocks();
9295 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9296 parseList[currentMove], _(cps->which));
9297 DisplayMoveError(buf1);
9298 DrawPosition(FALSE, boards[currentMove]);
9300 SetUserThinkingEnables();
9303 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9304 /* Program has a broken "time" command that
9305 outputs a string not ending in newline.
9309 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9310 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9311 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9315 * If chess program startup fails, exit with an error message.
9316 * Attempts to recover here are futile. [HGM] Well, we try anyway
9318 if ((StrStr(message, "unknown host") != NULL)
9319 || (StrStr(message, "No remote directory") != NULL)
9320 || (StrStr(message, "not found") != NULL)
9321 || (StrStr(message, "No such file") != NULL)
9322 || (StrStr(message, "can't alloc") != NULL)
9323 || (StrStr(message, "Permission denied") != NULL)) {
9325 cps->maybeThinking = FALSE;
9326 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9327 _(cps->which), cps->program, cps->host, message);
9328 RemoveInputSource(cps->isr);
9329 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9330 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9331 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9337 * Look for hint output
9339 if (sscanf(message, "Hint: %s", buf1) == 1) {
9340 if (cps == &first && hintRequested) {
9341 hintRequested = FALSE;
9342 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9343 &fromX, &fromY, &toX, &toY, &promoChar)) {
9344 (void) CoordsToAlgebraic(boards[forwardMostMove],
9345 PosFlags(forwardMostMove),
9346 fromY, fromX, toY, toX, promoChar, buf1);
9347 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9348 DisplayInformation(buf2);
9350 /* Hint move could not be parsed!? */
9351 snprintf(buf2, sizeof(buf2),
9352 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9353 buf1, _(cps->which));
9354 DisplayError(buf2, 0);
9357 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9363 * Ignore other messages if game is not in progress
9365 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9366 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9369 * look for win, lose, draw, or draw offer
9371 if (strncmp(message, "1-0", 3) == 0) {
9372 char *p, *q, *r = "";
9373 p = strchr(message, '{');
9381 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9383 } else if (strncmp(message, "0-1", 3) == 0) {
9384 char *p, *q, *r = "";
9385 p = strchr(message, '{');
9393 /* Kludge for Arasan 4.1 bug */
9394 if (strcmp(r, "Black resigns") == 0) {
9395 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9398 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9400 } else if (strncmp(message, "1/2", 3) == 0) {
9401 char *p, *q, *r = "";
9402 p = strchr(message, '{');
9411 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9414 } else if (strncmp(message, "White resign", 12) == 0) {
9415 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9417 } else if (strncmp(message, "Black resign", 12) == 0) {
9418 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9420 } else if (strncmp(message, "White matches", 13) == 0 ||
9421 strncmp(message, "Black matches", 13) == 0 ) {
9422 /* [HGM] ignore GNUShogi noises */
9424 } else if (strncmp(message, "White", 5) == 0 &&
9425 message[5] != '(' &&
9426 StrStr(message, "Black") == NULL) {
9427 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9429 } else if (strncmp(message, "Black", 5) == 0 &&
9430 message[5] != '(') {
9431 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9433 } else if (strcmp(message, "resign") == 0 ||
9434 strcmp(message, "computer resigns") == 0) {
9436 case MachinePlaysBlack:
9437 case IcsPlayingBlack:
9438 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9440 case MachinePlaysWhite:
9441 case IcsPlayingWhite:
9442 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9444 case TwoMachinesPlay:
9445 if (cps->twoMachinesColor[0] == 'w')
9446 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9448 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9455 } else if (strncmp(message, "opponent mates", 14) == 0) {
9457 case MachinePlaysBlack:
9458 case IcsPlayingBlack:
9459 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9461 case MachinePlaysWhite:
9462 case IcsPlayingWhite:
9463 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9465 case TwoMachinesPlay:
9466 if (cps->twoMachinesColor[0] == 'w')
9467 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9469 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9476 } else if (strncmp(message, "computer mates", 14) == 0) {
9478 case MachinePlaysBlack:
9479 case IcsPlayingBlack:
9480 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9482 case MachinePlaysWhite:
9483 case IcsPlayingWhite:
9484 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9486 case TwoMachinesPlay:
9487 if (cps->twoMachinesColor[0] == 'w')
9488 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9490 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9497 } else if (strncmp(message, "checkmate", 9) == 0) {
9498 if (WhiteOnMove(forwardMostMove)) {
9499 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9501 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9504 } else if (strstr(message, "Draw") != NULL ||
9505 strstr(message, "game is a draw") != NULL) {
9506 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9508 } else if (strstr(message, "offer") != NULL &&
9509 strstr(message, "draw") != NULL) {
9511 if (appData.zippyPlay && first.initDone) {
9512 /* Relay offer to ICS */
9513 SendToICS(ics_prefix);
9514 SendToICS("draw\n");
9517 cps->offeredDraw = 2; /* valid until this engine moves twice */
9518 if (gameMode == TwoMachinesPlay) {
9519 if (cps->other->offeredDraw) {
9520 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9521 /* [HGM] in two-machine mode we delay relaying draw offer */
9522 /* until after we also have move, to see if it is really claim */
9524 } else if (gameMode == MachinePlaysWhite ||
9525 gameMode == MachinePlaysBlack) {
9526 if (userOfferedDraw) {
9527 DisplayInformation(_("Machine accepts your draw offer"));
9528 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9530 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9537 * Look for thinking output
9539 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9540 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9542 int plylev, mvleft, mvtot, curscore, time;
9543 char mvname[MOVE_LEN];
9547 int prefixHint = FALSE;
9548 mvname[0] = NULLCHAR;
9551 case MachinePlaysBlack:
9552 case IcsPlayingBlack:
9553 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9555 case MachinePlaysWhite:
9556 case IcsPlayingWhite:
9557 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9562 case IcsObserving: /* [DM] icsEngineAnalyze */
9563 if (!appData.icsEngineAnalyze) ignore = TRUE;
9565 case TwoMachinesPlay:
9566 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9576 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9578 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9579 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9580 char score_buf[MSG_SIZ];
9582 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9583 nodes += u64Const(0x100000000);
9585 if (plyext != ' ' && plyext != '\t') {
9589 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9590 if( cps->scoreIsAbsolute &&
9591 ( gameMode == MachinePlaysBlack ||
9592 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9593 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9594 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9595 !WhiteOnMove(currentMove)
9598 curscore = -curscore;
9601 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9603 if(*bestMove) { // rememer time best EPD move was first found
9604 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9606 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9607 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9608 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9611 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9614 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9615 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9616 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9617 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9618 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9619 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9623 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9624 DisplayError(_("failed writing PV"), 0);
9627 tempStats.depth = plylev;
9628 tempStats.nodes = nodes;
9629 tempStats.time = time;
9630 tempStats.score = curscore;
9631 tempStats.got_only_move = 0;
9633 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9636 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9637 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9638 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9639 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9640 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9641 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9642 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9643 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9646 /* Buffer overflow protection */
9647 if (pv[0] != NULLCHAR) {
9648 if (strlen(pv) >= sizeof(tempStats.movelist)
9649 && appData.debugMode) {
9651 "PV is too long; using the first %u bytes.\n",
9652 (unsigned) sizeof(tempStats.movelist) - 1);
9655 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9657 sprintf(tempStats.movelist, " no PV\n");
9660 if (tempStats.seen_stat) {
9661 tempStats.ok_to_send = 1;
9664 if (strchr(tempStats.movelist, '(') != NULL) {
9665 tempStats.line_is_book = 1;
9666 tempStats.nr_moves = 0;
9667 tempStats.moves_left = 0;
9669 tempStats.line_is_book = 0;
9672 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9673 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9675 SendProgramStatsToFrontend( cps, &tempStats );
9678 [AS] Protect the thinkOutput buffer from overflow... this
9679 is only useful if buf1 hasn't overflowed first!
9681 if(curscore >= MATE_SCORE)
9682 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9683 else if(curscore <= -MATE_SCORE)
9684 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9686 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9687 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9689 (gameMode == TwoMachinesPlay ?
9690 ToUpper(cps->twoMachinesColor[0]) : ' '),
9692 prefixHint ? lastHint : "",
9693 prefixHint ? " " : "" );
9695 if( buf1[0] != NULLCHAR ) {
9696 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9698 if( strlen(pv) > max_len ) {
9699 if( appData.debugMode) {
9700 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9702 pv[max_len+1] = '\0';
9705 strcat( thinkOutput, pv);
9708 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9709 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9710 DisplayMove(currentMove - 1);
9714 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9715 /* crafty (9.25+) says "(only move) <move>"
9716 * if there is only 1 legal move
9718 sscanf(p, "(only move) %s", buf1);
9719 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9720 sprintf(programStats.movelist, "%s (only move)", buf1);
9721 programStats.depth = 1;
9722 programStats.nr_moves = 1;
9723 programStats.moves_left = 1;
9724 programStats.nodes = 1;
9725 programStats.time = 1;
9726 programStats.got_only_move = 1;
9728 /* Not really, but we also use this member to
9729 mean "line isn't going to change" (Crafty
9730 isn't searching, so stats won't change) */
9731 programStats.line_is_book = 1;
9733 SendProgramStatsToFrontend( cps, &programStats );
9735 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9736 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9737 DisplayMove(currentMove - 1);
9740 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9741 &time, &nodes, &plylev, &mvleft,
9742 &mvtot, mvname) >= 5) {
9743 /* The stat01: line is from Crafty (9.29+) in response
9744 to the "." command */
9745 programStats.seen_stat = 1;
9746 cps->maybeThinking = TRUE;
9748 if (programStats.got_only_move || !appData.periodicUpdates)
9751 programStats.depth = plylev;
9752 programStats.time = time;
9753 programStats.nodes = nodes;
9754 programStats.moves_left = mvleft;
9755 programStats.nr_moves = mvtot;
9756 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9757 programStats.ok_to_send = 1;
9758 programStats.movelist[0] = '\0';
9760 SendProgramStatsToFrontend( cps, &programStats );
9764 } else if (strncmp(message,"++",2) == 0) {
9765 /* Crafty 9.29+ outputs this */
9766 programStats.got_fail = 2;
9769 } else if (strncmp(message,"--",2) == 0) {
9770 /* Crafty 9.29+ outputs this */
9771 programStats.got_fail = 1;
9774 } else if (thinkOutput[0] != NULLCHAR &&
9775 strncmp(message, " ", 4) == 0) {
9776 unsigned message_len;
9779 while (*p && *p == ' ') p++;
9781 message_len = strlen( p );
9783 /* [AS] Avoid buffer overflow */
9784 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9785 strcat(thinkOutput, " ");
9786 strcat(thinkOutput, p);
9789 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9790 strcat(programStats.movelist, " ");
9791 strcat(programStats.movelist, p);
9794 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9795 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9796 DisplayMove(currentMove - 1);
9804 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9805 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9807 ChessProgramStats cpstats;
9809 if (plyext != ' ' && plyext != '\t') {
9813 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9814 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9815 curscore = -curscore;
9818 cpstats.depth = plylev;
9819 cpstats.nodes = nodes;
9820 cpstats.time = time;
9821 cpstats.score = curscore;
9822 cpstats.got_only_move = 0;
9823 cpstats.movelist[0] = '\0';
9825 if (buf1[0] != NULLCHAR) {
9826 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9829 cpstats.ok_to_send = 0;
9830 cpstats.line_is_book = 0;
9831 cpstats.nr_moves = 0;
9832 cpstats.moves_left = 0;
9834 SendProgramStatsToFrontend( cps, &cpstats );
9841 /* Parse a game score from the character string "game", and
9842 record it as the history of the current game. The game
9843 score is NOT assumed to start from the standard position.
9844 The display is not updated in any way.
9847 ParseGameHistory (char *game)
9850 int fromX, fromY, toX, toY, boardIndex;
9855 if (appData.debugMode)
9856 fprintf(debugFP, "Parsing game history: %s\n", game);
9858 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9859 gameInfo.site = StrSave(appData.icsHost);
9860 gameInfo.date = PGNDate();
9861 gameInfo.round = StrSave("-");
9863 /* Parse out names of players */
9864 while (*game == ' ') game++;
9866 while (*game != ' ') *p++ = *game++;
9868 gameInfo.white = StrSave(buf);
9869 while (*game == ' ') game++;
9871 while (*game != ' ' && *game != '\n') *p++ = *game++;
9873 gameInfo.black = StrSave(buf);
9876 boardIndex = blackPlaysFirst ? 1 : 0;
9879 yyboardindex = boardIndex;
9880 moveType = (ChessMove) Myylex();
9882 case IllegalMove: /* maybe suicide chess, etc. */
9883 if (appData.debugMode) {
9884 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9885 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9886 setbuf(debugFP, NULL);
9888 case WhitePromotion:
9889 case BlackPromotion:
9890 case WhiteNonPromotion:
9891 case BlackNonPromotion:
9894 case WhiteCapturesEnPassant:
9895 case BlackCapturesEnPassant:
9896 case WhiteKingSideCastle:
9897 case WhiteQueenSideCastle:
9898 case BlackKingSideCastle:
9899 case BlackQueenSideCastle:
9900 case WhiteKingSideCastleWild:
9901 case WhiteQueenSideCastleWild:
9902 case BlackKingSideCastleWild:
9903 case BlackQueenSideCastleWild:
9905 case WhiteHSideCastleFR:
9906 case WhiteASideCastleFR:
9907 case BlackHSideCastleFR:
9908 case BlackASideCastleFR:
9910 fromX = currentMoveString[0] - AAA;
9911 fromY = currentMoveString[1] - ONE;
9912 toX = currentMoveString[2] - AAA;
9913 toY = currentMoveString[3] - ONE;
9914 promoChar = currentMoveString[4];
9918 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9919 fromX = moveType == WhiteDrop ?
9920 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9921 (int) CharToPiece(ToLower(currentMoveString[0]));
9923 toX = currentMoveString[2] - AAA;
9924 toY = currentMoveString[3] - ONE;
9925 promoChar = NULLCHAR;
9929 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9930 if (appData.debugMode) {
9931 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9932 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9933 setbuf(debugFP, NULL);
9935 DisplayError(buf, 0);
9937 case ImpossibleMove:
9939 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9940 if (appData.debugMode) {
9941 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9942 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9943 setbuf(debugFP, NULL);
9945 DisplayError(buf, 0);
9948 if (boardIndex < backwardMostMove) {
9949 /* Oops, gap. How did that happen? */
9950 DisplayError(_("Gap in move list"), 0);
9953 backwardMostMove = blackPlaysFirst ? 1 : 0;
9954 if (boardIndex > forwardMostMove) {
9955 forwardMostMove = boardIndex;
9959 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9960 strcat(parseList[boardIndex-1], " ");
9961 strcat(parseList[boardIndex-1], yy_text);
9973 case GameUnfinished:
9974 if (gameMode == IcsExamining) {
9975 if (boardIndex < backwardMostMove) {
9976 /* Oops, gap. How did that happen? */
9979 backwardMostMove = blackPlaysFirst ? 1 : 0;
9982 gameInfo.result = moveType;
9983 p = strchr(yy_text, '{');
9984 if (p == NULL) p = strchr(yy_text, '(');
9987 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9989 q = strchr(p, *p == '{' ? '}' : ')');
9990 if (q != NULL) *q = NULLCHAR;
9993 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9994 gameInfo.resultDetails = StrSave(p);
9997 if (boardIndex >= forwardMostMove &&
9998 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9999 backwardMostMove = blackPlaysFirst ? 1 : 0;
10002 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10003 fromY, fromX, toY, toX, promoChar,
10004 parseList[boardIndex]);
10005 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10006 /* currentMoveString is set as a side-effect of yylex */
10007 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10008 strcat(moveList[boardIndex], "\n");
10010 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10011 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10017 if(!IS_SHOGI(gameInfo.variant))
10018 strcat(parseList[boardIndex - 1], "+");
10022 strcat(parseList[boardIndex - 1], "#");
10029 /* Apply a move to the given board */
10031 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10033 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10034 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10036 /* [HGM] compute & store e.p. status and castling rights for new position */
10037 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10039 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10040 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10041 board[EP_STATUS] = EP_NONE;
10042 board[EP_FILE] = board[EP_RANK] = 100;
10044 if (fromY == DROP_RANK) {
10045 /* must be first */
10046 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10047 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10050 piece = board[toY][toX] = (ChessSquare) fromX;
10052 // ChessSquare victim;
10055 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10056 // victim = board[killY][killX],
10057 killed = board[killY][killX],
10058 board[killY][killX] = EmptySquare,
10059 board[EP_STATUS] = EP_CAPTURE;
10060 if( kill2X >= 0 && kill2Y >= 0)
10061 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10064 if( board[toY][toX] != EmptySquare ) {
10065 board[EP_STATUS] = EP_CAPTURE;
10066 if( (fromX != toX || fromY != toY) && // not igui!
10067 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10068 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10069 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10073 pawn = board[fromY][fromX];
10074 if( pawn == WhiteLance || pawn == BlackLance ) {
10075 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10076 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10077 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10080 if( pawn == WhitePawn ) {
10081 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10082 board[EP_STATUS] = EP_PAWN_MOVE;
10083 if( toY-fromY>=2) {
10084 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10085 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10086 gameInfo.variant != VariantBerolina || toX < fromX)
10087 board[EP_STATUS] = toX | berolina;
10088 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10089 gameInfo.variant != VariantBerolina || toX > fromX)
10090 board[EP_STATUS] = toX;
10093 if( pawn == BlackPawn ) {
10094 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10095 board[EP_STATUS] = EP_PAWN_MOVE;
10096 if( toY-fromY<= -2) {
10097 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10098 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10099 gameInfo.variant != VariantBerolina || toX < fromX)
10100 board[EP_STATUS] = toX | berolina;
10101 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10102 gameInfo.variant != VariantBerolina || toX > fromX)
10103 board[EP_STATUS] = toX;
10107 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10108 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10109 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10110 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10112 for(i=0; i<nrCastlingRights; i++) {
10113 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10114 board[CASTLING][i] == toX && castlingRank[i] == toY
10115 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10118 if(gameInfo.variant == VariantSChess) { // update virginity
10119 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10120 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10121 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10122 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10125 if (fromX == toX && fromY == toY) return;
10127 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10128 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10129 if(gameInfo.variant == VariantKnightmate)
10130 king += (int) WhiteUnicorn - (int) WhiteKing;
10132 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10133 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10134 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10135 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10136 board[EP_STATUS] = EP_NONE; // capture was fake!
10138 /* Code added by Tord: */
10139 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10140 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10141 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10142 board[EP_STATUS] = EP_NONE; // capture was fake!
10143 board[fromY][fromX] = EmptySquare;
10144 board[toY][toX] = EmptySquare;
10145 if((toX > fromX) != (piece == WhiteRook)) {
10146 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10148 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10150 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10151 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10152 board[EP_STATUS] = EP_NONE;
10153 board[fromY][fromX] = EmptySquare;
10154 board[toY][toX] = EmptySquare;
10155 if((toX > fromX) != (piece == BlackRook)) {
10156 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10158 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10160 /* End of code added by Tord */
10162 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10163 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10164 board[toY][toX] = piece;
10165 } else if (board[fromY][fromX] == king
10166 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10167 && toY == fromY && toX > fromX+1) {
10168 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10169 board[fromY][toX-1] = board[fromY][rookX];
10170 board[fromY][rookX] = EmptySquare;
10171 board[fromY][fromX] = EmptySquare;
10172 board[toY][toX] = king;
10173 } else if (board[fromY][fromX] == king
10174 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10175 && toY == fromY && toX < fromX-1) {
10176 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10177 board[fromY][toX+1] = board[fromY][rookX];
10178 board[fromY][rookX] = EmptySquare;
10179 board[fromY][fromX] = EmptySquare;
10180 board[toY][toX] = king;
10181 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10182 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10183 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10185 /* white pawn promotion */
10186 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10187 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10188 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10189 board[fromY][fromX] = EmptySquare;
10190 } else if ((fromY >= BOARD_HEIGHT>>1)
10191 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10193 && gameInfo.variant != VariantXiangqi
10194 && gameInfo.variant != VariantBerolina
10195 && (pawn == WhitePawn)
10196 && (board[toY][toX] == EmptySquare)) {
10197 board[fromY][fromX] = EmptySquare;
10198 board[toY][toX] = piece;
10199 if(toY == epRank - 128 + 1)
10200 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10202 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10203 } else if ((fromY == BOARD_HEIGHT-4)
10205 && gameInfo.variant == VariantBerolina
10206 && (board[fromY][fromX] == WhitePawn)
10207 && (board[toY][toX] == EmptySquare)) {
10208 board[fromY][fromX] = EmptySquare;
10209 board[toY][toX] = WhitePawn;
10210 if(oldEP & EP_BEROLIN_A) {
10211 captured = board[fromY][fromX-1];
10212 board[fromY][fromX-1] = EmptySquare;
10213 }else{ captured = board[fromY][fromX+1];
10214 board[fromY][fromX+1] = EmptySquare;
10216 } else if (board[fromY][fromX] == king
10217 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10218 && toY == fromY && toX > fromX+1) {
10219 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10220 board[fromY][toX-1] = board[fromY][rookX];
10221 board[fromY][rookX] = EmptySquare;
10222 board[fromY][fromX] = EmptySquare;
10223 board[toY][toX] = king;
10224 } else if (board[fromY][fromX] == king
10225 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10226 && toY == fromY && toX < fromX-1) {
10227 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10228 board[fromY][toX+1] = board[fromY][rookX];
10229 board[fromY][rookX] = EmptySquare;
10230 board[fromY][fromX] = EmptySquare;
10231 board[toY][toX] = king;
10232 } else if (fromY == 7 && fromX == 3
10233 && board[fromY][fromX] == BlackKing
10234 && toY == 7 && toX == 5) {
10235 board[fromY][fromX] = EmptySquare;
10236 board[toY][toX] = BlackKing;
10237 board[fromY][7] = EmptySquare;
10238 board[toY][4] = BlackRook;
10239 } else if (fromY == 7 && fromX == 3
10240 && board[fromY][fromX] == BlackKing
10241 && toY == 7 && toX == 1) {
10242 board[fromY][fromX] = EmptySquare;
10243 board[toY][toX] = BlackKing;
10244 board[fromY][0] = EmptySquare;
10245 board[toY][2] = BlackRook;
10246 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10247 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10248 && toY < promoRank && promoChar
10250 /* black pawn promotion */
10251 board[toY][toX] = CharToPiece(ToLower(promoChar));
10252 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10253 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10254 board[fromY][fromX] = EmptySquare;
10255 } else if ((fromY < BOARD_HEIGHT>>1)
10256 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10258 && gameInfo.variant != VariantXiangqi
10259 && gameInfo.variant != VariantBerolina
10260 && (pawn == BlackPawn)
10261 && (board[toY][toX] == EmptySquare)) {
10262 board[fromY][fromX] = EmptySquare;
10263 board[toY][toX] = piece;
10264 if(toY == epRank - 128 - 1)
10265 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10267 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10268 } else if ((fromY == 3)
10270 && gameInfo.variant == VariantBerolina
10271 && (board[fromY][fromX] == BlackPawn)
10272 && (board[toY][toX] == EmptySquare)) {
10273 board[fromY][fromX] = EmptySquare;
10274 board[toY][toX] = BlackPawn;
10275 if(oldEP & EP_BEROLIN_A) {
10276 captured = board[fromY][fromX-1];
10277 board[fromY][fromX-1] = EmptySquare;
10278 }else{ captured = board[fromY][fromX+1];
10279 board[fromY][fromX+1] = EmptySquare;
10282 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10283 board[fromY][fromX] = EmptySquare;
10284 board[toY][toX] = piece;
10288 if (gameInfo.holdingsWidth != 0) {
10290 /* !!A lot more code needs to be written to support holdings */
10291 /* [HGM] OK, so I have written it. Holdings are stored in the */
10292 /* penultimate board files, so they are automaticlly stored */
10293 /* in the game history. */
10294 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10295 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10296 /* Delete from holdings, by decreasing count */
10297 /* and erasing image if necessary */
10298 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10299 if(p < (int) BlackPawn) { /* white drop */
10300 p -= (int)WhitePawn;
10301 p = PieceToNumber((ChessSquare)p);
10302 if(p >= gameInfo.holdingsSize) p = 0;
10303 if(--board[p][BOARD_WIDTH-2] <= 0)
10304 board[p][BOARD_WIDTH-1] = EmptySquare;
10305 if((int)board[p][BOARD_WIDTH-2] < 0)
10306 board[p][BOARD_WIDTH-2] = 0;
10307 } else { /* black drop */
10308 p -= (int)BlackPawn;
10309 p = PieceToNumber((ChessSquare)p);
10310 if(p >= gameInfo.holdingsSize) p = 0;
10311 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10312 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10313 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10314 board[BOARD_HEIGHT-1-p][1] = 0;
10317 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10318 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10319 /* [HGM] holdings: Add to holdings, if holdings exist */
10320 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10321 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10322 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10324 p = (int) captured;
10325 if (p >= (int) BlackPawn) {
10326 p -= (int)BlackPawn;
10327 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10328 /* Restore shogi-promoted piece to its original first */
10329 captured = (ChessSquare) (DEMOTED captured);
10332 p = PieceToNumber((ChessSquare)p);
10333 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10334 board[p][BOARD_WIDTH-2]++;
10335 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10337 p -= (int)WhitePawn;
10338 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10339 captured = (ChessSquare) (DEMOTED captured);
10342 p = PieceToNumber((ChessSquare)p);
10343 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10344 board[BOARD_HEIGHT-1-p][1]++;
10345 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10348 } else if (gameInfo.variant == VariantAtomic) {
10349 if (captured != EmptySquare) {
10351 for (y = toY-1; y <= toY+1; y++) {
10352 for (x = toX-1; x <= toX+1; x++) {
10353 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10354 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10355 board[y][x] = EmptySquare;
10359 board[toY][toX] = EmptySquare;
10363 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10364 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10366 if(promoChar == '+') {
10367 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10368 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10369 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10370 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10371 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10372 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10373 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10374 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10375 board[toY][toX] = newPiece;
10377 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10378 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10379 // [HGM] superchess: take promotion piece out of holdings
10380 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10381 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10382 if(!--board[k][BOARD_WIDTH-2])
10383 board[k][BOARD_WIDTH-1] = EmptySquare;
10385 if(!--board[BOARD_HEIGHT-1-k][1])
10386 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10391 /* Updates forwardMostMove */
10393 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10395 int x = toX, y = toY;
10396 char *s = parseList[forwardMostMove];
10397 ChessSquare p = boards[forwardMostMove][toY][toX];
10398 // forwardMostMove++; // [HGM] bare: moved downstream
10400 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10401 (void) CoordsToAlgebraic(boards[forwardMostMove],
10402 PosFlags(forwardMostMove),
10403 fromY, fromX, y, x, promoChar,
10405 if(killX >= 0 && killY >= 0)
10406 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10408 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10409 int timeLeft; static int lastLoadFlag=0; int king, piece;
10410 piece = boards[forwardMostMove][fromY][fromX];
10411 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10412 if(gameInfo.variant == VariantKnightmate)
10413 king += (int) WhiteUnicorn - (int) WhiteKing;
10414 if(forwardMostMove == 0) {
10415 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10416 fprintf(serverMoves, "%s;", UserName());
10417 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10418 fprintf(serverMoves, "%s;", second.tidy);
10419 fprintf(serverMoves, "%s;", first.tidy);
10420 if(gameMode == MachinePlaysWhite)
10421 fprintf(serverMoves, "%s;", UserName());
10422 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10423 fprintf(serverMoves, "%s;", second.tidy);
10424 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10425 lastLoadFlag = loadFlag;
10427 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10428 // print castling suffix
10429 if( toY == fromY && piece == king ) {
10431 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10433 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10436 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10437 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10438 boards[forwardMostMove][toY][toX] == EmptySquare
10439 && fromX != toX && fromY != toY)
10440 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10441 // promotion suffix
10442 if(promoChar != NULLCHAR) {
10443 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10444 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10445 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10446 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10449 char buf[MOVE_LEN*2], *p; int len;
10450 fprintf(serverMoves, "/%d/%d",
10451 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10452 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10453 else timeLeft = blackTimeRemaining/1000;
10454 fprintf(serverMoves, "/%d", timeLeft);
10455 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10456 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10457 if(p = strchr(buf, '=')) *p = NULLCHAR;
10458 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10459 fprintf(serverMoves, "/%s", buf);
10461 fflush(serverMoves);
10464 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10465 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10468 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10469 if (commentList[forwardMostMove+1] != NULL) {
10470 free(commentList[forwardMostMove+1]);
10471 commentList[forwardMostMove+1] = NULL;
10473 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10474 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10475 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10476 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10477 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10478 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10479 adjustedClock = FALSE;
10480 gameInfo.result = GameUnfinished;
10481 if (gameInfo.resultDetails != NULL) {
10482 free(gameInfo.resultDetails);
10483 gameInfo.resultDetails = NULL;
10485 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10486 moveList[forwardMostMove - 1]);
10487 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10493 if(!IS_SHOGI(gameInfo.variant))
10494 strcat(parseList[forwardMostMove - 1], "+");
10498 strcat(parseList[forwardMostMove - 1], "#");
10503 /* Updates currentMove if not pausing */
10505 ShowMove (int fromX, int fromY, int toX, int toY)
10507 int instant = (gameMode == PlayFromGameFile) ?
10508 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10509 if(appData.noGUI) return;
10510 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10512 if (forwardMostMove == currentMove + 1) {
10513 AnimateMove(boards[forwardMostMove - 1],
10514 fromX, fromY, toX, toY);
10517 currentMove = forwardMostMove;
10520 killX = killY = -1; // [HGM] lion: used up
10522 if (instant) return;
10524 DisplayMove(currentMove - 1);
10525 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10526 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10527 SetHighlights(fromX, fromY, toX, toY);
10530 DrawPosition(FALSE, boards[currentMove]);
10531 DisplayBothClocks();
10532 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10536 SendEgtPath (ChessProgramState *cps)
10537 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10538 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10540 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10543 char c, *q = name+1, *r, *s;
10545 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10546 while(*p && *p != ',') *q++ = *p++;
10547 *q++ = ':'; *q = 0;
10548 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10549 strcmp(name, ",nalimov:") == 0 ) {
10550 // take nalimov path from the menu-changeable option first, if it is defined
10551 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10552 SendToProgram(buf,cps); // send egtbpath command for nalimov
10554 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10555 (s = StrStr(appData.egtFormats, name)) != NULL) {
10556 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10557 s = r = StrStr(s, ":") + 1; // beginning of path info
10558 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10559 c = *r; *r = 0; // temporarily null-terminate path info
10560 *--q = 0; // strip of trailig ':' from name
10561 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10563 SendToProgram(buf,cps); // send egtbpath command for this format
10565 if(*p == ',') p++; // read away comma to position for next format name
10570 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10572 int width = 8, height = 8, holdings = 0; // most common sizes
10573 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10574 // correct the deviations default for each variant
10575 if( v == VariantXiangqi ) width = 9, height = 10;
10576 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10577 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10578 if( v == VariantCapablanca || v == VariantCapaRandom ||
10579 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10581 if( v == VariantCourier ) width = 12;
10582 if( v == VariantSuper ) holdings = 8;
10583 if( v == VariantGreat ) width = 10, holdings = 8;
10584 if( v == VariantSChess ) holdings = 7;
10585 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10586 if( v == VariantChuChess) width = 10, height = 10;
10587 if( v == VariantChu ) width = 12, height = 12;
10588 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10589 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10590 holdingsSize >= 0 && holdingsSize != holdings;
10593 char variantError[MSG_SIZ];
10596 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10597 { // returns error message (recognizable by upper-case) if engine does not support the variant
10598 char *p, *variant = VariantName(v);
10599 static char b[MSG_SIZ];
10600 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10601 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10602 holdingsSize, variant); // cook up sized variant name
10603 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10604 if(StrStr(list, b) == NULL) {
10605 // specific sized variant not known, check if general sizing allowed
10606 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10607 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10608 boardWidth, boardHeight, holdingsSize, engine);
10611 /* [HGM] here we really should compare with the maximum supported board size */
10613 } else snprintf(b, MSG_SIZ,"%s", variant);
10614 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10615 p = StrStr(list, b);
10616 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10618 // occurs not at all in list, or only as sub-string
10619 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10620 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10621 int l = strlen(variantError);
10623 while(p != list && p[-1] != ',') p--;
10624 q = strchr(p, ',');
10625 if(q) *q = NULLCHAR;
10626 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10635 InitChessProgram (ChessProgramState *cps, int setup)
10636 /* setup needed to setup FRC opening position */
10638 char buf[MSG_SIZ], *b;
10639 if (appData.noChessProgram) return;
10640 hintRequested = FALSE;
10641 bookRequested = FALSE;
10643 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10644 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10645 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10646 if(cps->memSize) { /* [HGM] memory */
10647 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10648 SendToProgram(buf, cps);
10650 SendEgtPath(cps); /* [HGM] EGT */
10651 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10652 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10653 SendToProgram(buf, cps);
10656 setboardSpoiledMachineBlack = FALSE;
10657 SendToProgram(cps->initString, cps);
10658 if (gameInfo.variant != VariantNormal &&
10659 gameInfo.variant != VariantLoadable
10660 /* [HGM] also send variant if board size non-standard */
10661 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10663 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10664 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10667 char c, *q = cps->variants, *p = strchr(q, ',');
10668 if(p) *p = NULLCHAR;
10669 v = StringToVariant(q);
10670 DisplayError(variantError, 0);
10671 if(v != VariantUnknown && cps == &first) {
10673 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10674 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10675 ASSIGN(appData.variant, q);
10676 Reset(TRUE, FALSE);
10682 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10683 SendToProgram(buf, cps);
10685 currentlyInitializedVariant = gameInfo.variant;
10687 /* [HGM] send opening position in FRC to first engine */
10689 SendToProgram("force\n", cps);
10691 /* engine is now in force mode! Set flag to wake it up after first move. */
10692 setboardSpoiledMachineBlack = 1;
10695 if (cps->sendICS) {
10696 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10697 SendToProgram(buf, cps);
10699 cps->maybeThinking = FALSE;
10700 cps->offeredDraw = 0;
10701 if (!appData.icsActive) {
10702 SendTimeControl(cps, movesPerSession, timeControl,
10703 timeIncrement, appData.searchDepth,
10706 if (appData.showThinking
10707 // [HGM] thinking: four options require thinking output to be sent
10708 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10710 SendToProgram("post\n", cps);
10712 SendToProgram("hard\n", cps);
10713 if (!appData.ponderNextMove) {
10714 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10715 it without being sure what state we are in first. "hard"
10716 is not a toggle, so that one is OK.
10718 SendToProgram("easy\n", cps);
10720 if (cps->usePing) {
10721 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10722 SendToProgram(buf, cps);
10724 cps->initDone = TRUE;
10725 ClearEngineOutputPane(cps == &second);
10730 ResendOptions (ChessProgramState *cps)
10731 { // send the stored value of the options
10734 Option *opt = cps->option;
10735 for(i=0; i<cps->nrOptions; i++, opt++) {
10736 switch(opt->type) {
10740 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10743 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10746 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10752 SendToProgram(buf, cps);
10757 StartChessProgram (ChessProgramState *cps)
10762 if (appData.noChessProgram) return;
10763 cps->initDone = FALSE;
10765 if (strcmp(cps->host, "localhost") == 0) {
10766 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10767 } else if (*appData.remoteShell == NULLCHAR) {
10768 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10770 if (*appData.remoteUser == NULLCHAR) {
10771 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10774 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10775 cps->host, appData.remoteUser, cps->program);
10777 err = StartChildProcess(buf, "", &cps->pr);
10781 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10782 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10783 if(cps != &first) return;
10784 appData.noChessProgram = TRUE;
10787 // DisplayFatalError(buf, err, 1);
10788 // cps->pr = NoProc;
10789 // cps->isr = NULL;
10793 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10794 if (cps->protocolVersion > 1) {
10795 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10796 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10797 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10798 cps->comboCnt = 0; // and values of combo boxes
10800 SendToProgram(buf, cps);
10801 if(cps->reload) ResendOptions(cps);
10803 SendToProgram("xboard\n", cps);
10808 TwoMachinesEventIfReady P((void))
10810 static int curMess = 0;
10811 if (first.lastPing != first.lastPong) {
10812 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10813 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10816 if (second.lastPing != second.lastPong) {
10817 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10818 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10821 DisplayMessage("", ""); curMess = 0;
10822 TwoMachinesEvent();
10826 MakeName (char *template)
10830 static char buf[MSG_SIZ];
10834 clock = time((time_t *)NULL);
10835 tm = localtime(&clock);
10837 while(*p++ = *template++) if(p[-1] == '%') {
10838 switch(*template++) {
10839 case 0: *p = 0; return buf;
10840 case 'Y': i = tm->tm_year+1900; break;
10841 case 'y': i = tm->tm_year-100; break;
10842 case 'M': i = tm->tm_mon+1; break;
10843 case 'd': i = tm->tm_mday; break;
10844 case 'h': i = tm->tm_hour; break;
10845 case 'm': i = tm->tm_min; break;
10846 case 's': i = tm->tm_sec; break;
10849 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10855 CountPlayers (char *p)
10858 while(p = strchr(p, '\n')) p++, n++; // count participants
10863 WriteTourneyFile (char *results, FILE *f)
10864 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10865 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10866 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10867 // create a file with tournament description
10868 fprintf(f, "-participants {%s}\n", appData.participants);
10869 fprintf(f, "-seedBase %d\n", appData.seedBase);
10870 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10871 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10872 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10873 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10874 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10875 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10876 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10877 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10878 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10879 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10880 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10881 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10882 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10883 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10884 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10885 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10886 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10887 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10888 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10889 fprintf(f, "-smpCores %d\n", appData.smpCores);
10891 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10893 fprintf(f, "-mps %d\n", appData.movesPerSession);
10894 fprintf(f, "-tc %s\n", appData.timeControl);
10895 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10897 fprintf(f, "-results \"%s\"\n", results);
10902 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10905 Substitute (char *participants, int expunge)
10907 int i, changed, changes=0, nPlayers=0;
10908 char *p, *q, *r, buf[MSG_SIZ];
10909 if(participants == NULL) return;
10910 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10911 r = p = participants; q = appData.participants;
10912 while(*p && *p == *q) {
10913 if(*p == '\n') r = p+1, nPlayers++;
10916 if(*p) { // difference
10917 while(*p && *p++ != '\n');
10918 while(*q && *q++ != '\n');
10919 changed = nPlayers;
10920 changes = 1 + (strcmp(p, q) != 0);
10922 if(changes == 1) { // a single engine mnemonic was changed
10923 q = r; while(*q) nPlayers += (*q++ == '\n');
10924 p = buf; while(*r && (*p = *r++) != '\n') p++;
10926 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10927 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10928 if(mnemonic[i]) { // The substitute is valid
10930 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10931 flock(fileno(f), LOCK_EX);
10932 ParseArgsFromFile(f);
10933 fseek(f, 0, SEEK_SET);
10934 FREE(appData.participants); appData.participants = participants;
10935 if(expunge) { // erase results of replaced engine
10936 int len = strlen(appData.results), w, b, dummy;
10937 for(i=0; i<len; i++) {
10938 Pairing(i, nPlayers, &w, &b, &dummy);
10939 if((w == changed || b == changed) && appData.results[i] == '*') {
10940 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10945 for(i=0; i<len; i++) {
10946 Pairing(i, nPlayers, &w, &b, &dummy);
10947 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10950 WriteTourneyFile(appData.results, f);
10951 fclose(f); // release lock
10954 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10956 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10957 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10958 free(participants);
10963 CheckPlayers (char *participants)
10966 char buf[MSG_SIZ], *p;
10967 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10968 while(p = strchr(participants, '\n')) {
10970 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10972 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10974 DisplayError(buf, 0);
10978 participants = p + 1;
10984 CreateTourney (char *name)
10987 if(matchMode && strcmp(name, appData.tourneyFile)) {
10988 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10990 if(name[0] == NULLCHAR) {
10991 if(appData.participants[0])
10992 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10995 f = fopen(name, "r");
10996 if(f) { // file exists
10997 ASSIGN(appData.tourneyFile, name);
10998 ParseArgsFromFile(f); // parse it
11000 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11001 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11002 DisplayError(_("Not enough participants"), 0);
11005 if(CheckPlayers(appData.participants)) return 0;
11006 ASSIGN(appData.tourneyFile, name);
11007 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11008 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11011 appData.noChessProgram = FALSE;
11012 appData.clockMode = TRUE;
11018 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11020 char buf[MSG_SIZ], *p, *q;
11021 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11022 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11023 skip = !all && group[0]; // if group requested, we start in skip mode
11024 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11025 p = names; q = buf; header = 0;
11026 while(*p && *p != '\n') *q++ = *p++;
11028 if(*p == '\n') p++;
11029 if(buf[0] == '#') {
11030 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11031 depth++; // we must be entering a new group
11032 if(all) continue; // suppress printing group headers when complete list requested
11034 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11036 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11037 if(engineList[i]) free(engineList[i]);
11038 engineList[i] = strdup(buf);
11039 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11040 if(engineMnemonic[i]) free(engineMnemonic[i]);
11041 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11043 sscanf(q + 8, "%s", buf + strlen(buf));
11046 engineMnemonic[i] = strdup(buf);
11049 engineList[i] = engineMnemonic[i] = NULL;
11053 // following implemented as macro to avoid type limitations
11054 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11057 SwapEngines (int n)
11058 { // swap settings for first engine and other engine (so far only some selected options)
11063 SWAP(chessProgram, p)
11065 SWAP(hasOwnBookUCI, h)
11066 SWAP(protocolVersion, h)
11068 SWAP(scoreIsAbsolute, h)
11073 SWAP(engOptions, p)
11074 SWAP(engInitString, p)
11075 SWAP(computerString, p)
11077 SWAP(fenOverride, p)
11079 SWAP(accumulateTC, h)
11086 GetEngineLine (char *s, int n)
11090 extern char *icsNames;
11091 if(!s || !*s) return 0;
11092 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11093 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11094 if(!mnemonic[i]) return 0;
11095 if(n == 11) return 1; // just testing if there was a match
11096 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11097 if(n == 1) SwapEngines(n);
11098 ParseArgsFromString(buf);
11099 if(n == 1) SwapEngines(n);
11100 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11101 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11102 ParseArgsFromString(buf);
11108 SetPlayer (int player, char *p)
11109 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11111 char buf[MSG_SIZ], *engineName;
11112 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11113 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11114 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11116 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11117 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11118 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11119 ParseArgsFromString(buf);
11120 } else { // no engine with this nickname is installed!
11121 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11122 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11123 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11125 DisplayError(buf, 0);
11132 char *recentEngines;
11135 RecentEngineEvent (int nr)
11138 // SwapEngines(1); // bump first to second
11139 // ReplaceEngine(&second, 1); // and load it there
11140 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11141 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11142 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11143 ReplaceEngine(&first, 0);
11144 FloatToFront(&appData.recentEngineList, command[n]);
11149 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11150 { // determine players from game number
11151 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11153 if(appData.tourneyType == 0) {
11154 roundsPerCycle = (nPlayers - 1) | 1;
11155 pairingsPerRound = nPlayers / 2;
11156 } else if(appData.tourneyType > 0) {
11157 roundsPerCycle = nPlayers - appData.tourneyType;
11158 pairingsPerRound = appData.tourneyType;
11160 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11161 gamesPerCycle = gamesPerRound * roundsPerCycle;
11162 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11163 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11164 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11165 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11166 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11167 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11169 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11170 if(appData.roundSync) *syncInterval = gamesPerRound;
11172 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11174 if(appData.tourneyType == 0) {
11175 if(curPairing == (nPlayers-1)/2 ) {
11176 *whitePlayer = curRound;
11177 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11179 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11180 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11181 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11182 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11184 } else if(appData.tourneyType > 1) {
11185 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11186 *whitePlayer = curRound + appData.tourneyType;
11187 } else if(appData.tourneyType > 0) {
11188 *whitePlayer = curPairing;
11189 *blackPlayer = curRound + appData.tourneyType;
11192 // take care of white/black alternation per round.
11193 // For cycles and games this is already taken care of by default, derived from matchGame!
11194 return curRound & 1;
11198 NextTourneyGame (int nr, int *swapColors)
11199 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11201 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11203 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11204 tf = fopen(appData.tourneyFile, "r");
11205 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11206 ParseArgsFromFile(tf); fclose(tf);
11207 InitTimeControls(); // TC might be altered from tourney file
11209 nPlayers = CountPlayers(appData.participants); // count participants
11210 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11211 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11214 p = q = appData.results;
11215 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11216 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11217 DisplayMessage(_("Waiting for other game(s)"),"");
11218 waitingForGame = TRUE;
11219 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11222 waitingForGame = FALSE;
11225 if(appData.tourneyType < 0) {
11226 if(nr>=0 && !pairingReceived) {
11228 if(pairing.pr == NoProc) {
11229 if(!appData.pairingEngine[0]) {
11230 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11233 StartChessProgram(&pairing); // starts the pairing engine
11235 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11236 SendToProgram(buf, &pairing);
11237 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11238 SendToProgram(buf, &pairing);
11239 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11241 pairingReceived = 0; // ... so we continue here
11243 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11244 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11245 matchGame = 1; roundNr = nr / syncInterval + 1;
11248 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11250 // redefine engines, engine dir, etc.
11251 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11252 if(first.pr == NoProc) {
11253 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11254 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11256 if(second.pr == NoProc) {
11258 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11259 SwapEngines(1); // and make that valid for second engine by swapping
11260 InitEngine(&second, 1);
11262 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11263 UpdateLogos(FALSE); // leave display to ModeHiglight()
11269 { // performs game initialization that does not invoke engines, and then tries to start the game
11270 int res, firstWhite, swapColors = 0;
11271 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11272 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
11274 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11275 if(strcmp(buf, currentDebugFile)) { // name has changed
11276 FILE *f = fopen(buf, "w");
11277 if(f) { // if opening the new file failed, just keep using the old one
11278 ASSIGN(currentDebugFile, buf);
11282 if(appData.serverFileName) {
11283 if(serverFP) fclose(serverFP);
11284 serverFP = fopen(appData.serverFileName, "w");
11285 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11286 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11290 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11291 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11292 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11293 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11294 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11295 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11296 Reset(FALSE, first.pr != NoProc);
11297 res = LoadGameOrPosition(matchGame); // setup game
11298 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11299 if(!res) return; // abort when bad game/pos file
11300 TwoMachinesEvent();
11304 UserAdjudicationEvent (int result)
11306 ChessMove gameResult = GameIsDrawn;
11309 gameResult = WhiteWins;
11311 else if( result < 0 ) {
11312 gameResult = BlackWins;
11315 if( gameMode == TwoMachinesPlay ) {
11316 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11321 // [HGM] save: calculate checksum of game to make games easily identifiable
11323 StringCheckSum (char *s)
11326 if(s==NULL) return 0;
11327 while(*s) i = i*259 + *s++;
11335 for(i=backwardMostMove; i<forwardMostMove; i++) {
11336 sum += pvInfoList[i].depth;
11337 sum += StringCheckSum(parseList[i]);
11338 sum += StringCheckSum(commentList[i]);
11341 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11342 return sum + StringCheckSum(commentList[i]);
11343 } // end of save patch
11346 GameEnds (ChessMove result, char *resultDetails, int whosays)
11348 GameMode nextGameMode;
11350 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11352 if(endingGame) return; /* [HGM] crash: forbid recursion */
11354 if(twoBoards) { // [HGM] dual: switch back to one board
11355 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11356 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11358 if (appData.debugMode) {
11359 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11360 result, resultDetails ? resultDetails : "(null)", whosays);
11363 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11365 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11367 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11368 /* If we are playing on ICS, the server decides when the
11369 game is over, but the engine can offer to draw, claim
11373 if (appData.zippyPlay && first.initDone) {
11374 if (result == GameIsDrawn) {
11375 /* In case draw still needs to be claimed */
11376 SendToICS(ics_prefix);
11377 SendToICS("draw\n");
11378 } else if (StrCaseStr(resultDetails, "resign")) {
11379 SendToICS(ics_prefix);
11380 SendToICS("resign\n");
11384 endingGame = 0; /* [HGM] crash */
11388 /* If we're loading the game from a file, stop */
11389 if (whosays == GE_FILE) {
11390 (void) StopLoadGameTimer();
11394 /* Cancel draw offers */
11395 first.offeredDraw = second.offeredDraw = 0;
11397 /* If this is an ICS game, only ICS can really say it's done;
11398 if not, anyone can. */
11399 isIcsGame = (gameMode == IcsPlayingWhite ||
11400 gameMode == IcsPlayingBlack ||
11401 gameMode == IcsObserving ||
11402 gameMode == IcsExamining);
11404 if (!isIcsGame || whosays == GE_ICS) {
11405 /* OK -- not an ICS game, or ICS said it was done */
11407 if (!isIcsGame && !appData.noChessProgram)
11408 SetUserThinkingEnables();
11410 /* [HGM] if a machine claims the game end we verify this claim */
11411 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11412 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11414 ChessMove trueResult = (ChessMove) -1;
11416 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11417 first.twoMachinesColor[0] :
11418 second.twoMachinesColor[0] ;
11420 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11421 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11422 /* [HGM] verify: engine mate claims accepted if they were flagged */
11423 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11425 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11426 /* [HGM] verify: engine mate claims accepted if they were flagged */
11427 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11429 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11430 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11433 // now verify win claims, but not in drop games, as we don't understand those yet
11434 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11435 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11436 (result == WhiteWins && claimer == 'w' ||
11437 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11438 if (appData.debugMode) {
11439 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11440 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11442 if(result != trueResult) {
11443 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11444 result = claimer == 'w' ? BlackWins : WhiteWins;
11445 resultDetails = buf;
11448 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11449 && (forwardMostMove <= backwardMostMove ||
11450 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11451 (claimer=='b')==(forwardMostMove&1))
11453 /* [HGM] verify: draws that were not flagged are false claims */
11454 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11455 result = claimer == 'w' ? BlackWins : WhiteWins;
11456 resultDetails = buf;
11458 /* (Claiming a loss is accepted no questions asked!) */
11459 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11460 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11461 result = GameUnfinished;
11462 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11464 /* [HGM] bare: don't allow bare King to win */
11465 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11466 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11467 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11468 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11469 && result != GameIsDrawn)
11470 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11471 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11472 int p = (signed char)boards[forwardMostMove][i][j] - color;
11473 if(p >= 0 && p <= (int)WhiteKing) k++;
11474 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11476 if (appData.debugMode) {
11477 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11478 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11480 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11481 result = GameIsDrawn;
11482 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11483 resultDetails = buf;
11489 if(serverMoves != NULL && !loadFlag) { char c = '=';
11490 if(result==WhiteWins) c = '+';
11491 if(result==BlackWins) c = '-';
11492 if(resultDetails != NULL)
11493 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11495 if (resultDetails != NULL) {
11496 gameInfo.result = result;
11497 gameInfo.resultDetails = StrSave(resultDetails);
11499 /* display last move only if game was not loaded from file */
11500 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11501 DisplayMove(currentMove - 1);
11503 if (forwardMostMove != 0) {
11504 if (gameMode != PlayFromGameFile && gameMode != EditGame
11505 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11507 if (*appData.saveGameFile != NULLCHAR) {
11508 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11509 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11511 SaveGameToFile(appData.saveGameFile, TRUE);
11512 } else if (appData.autoSaveGames) {
11513 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11515 if (*appData.savePositionFile != NULLCHAR) {
11516 SavePositionToFile(appData.savePositionFile);
11518 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11522 /* Tell program how game ended in case it is learning */
11523 /* [HGM] Moved this to after saving the PGN, just in case */
11524 /* engine died and we got here through time loss. In that */
11525 /* case we will get a fatal error writing the pipe, which */
11526 /* would otherwise lose us the PGN. */
11527 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11528 /* output during GameEnds should never be fatal anymore */
11529 if (gameMode == MachinePlaysWhite ||
11530 gameMode == MachinePlaysBlack ||
11531 gameMode == TwoMachinesPlay ||
11532 gameMode == IcsPlayingWhite ||
11533 gameMode == IcsPlayingBlack ||
11534 gameMode == BeginningOfGame) {
11536 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11538 if (first.pr != NoProc) {
11539 SendToProgram(buf, &first);
11541 if (second.pr != NoProc &&
11542 gameMode == TwoMachinesPlay) {
11543 SendToProgram(buf, &second);
11548 if (appData.icsActive) {
11549 if (appData.quietPlay &&
11550 (gameMode == IcsPlayingWhite ||
11551 gameMode == IcsPlayingBlack)) {
11552 SendToICS(ics_prefix);
11553 SendToICS("set shout 1\n");
11555 nextGameMode = IcsIdle;
11556 ics_user_moved = FALSE;
11557 /* clean up premove. It's ugly when the game has ended and the
11558 * premove highlights are still on the board.
11561 gotPremove = FALSE;
11562 ClearPremoveHighlights();
11563 DrawPosition(FALSE, boards[currentMove]);
11565 if (whosays == GE_ICS) {
11568 if (gameMode == IcsPlayingWhite)
11570 else if(gameMode == IcsPlayingBlack)
11571 PlayIcsLossSound();
11574 if (gameMode == IcsPlayingBlack)
11576 else if(gameMode == IcsPlayingWhite)
11577 PlayIcsLossSound();
11580 PlayIcsDrawSound();
11583 PlayIcsUnfinishedSound();
11586 if(appData.quitNext) { ExitEvent(0); return; }
11587 } else if (gameMode == EditGame ||
11588 gameMode == PlayFromGameFile ||
11589 gameMode == AnalyzeMode ||
11590 gameMode == AnalyzeFile) {
11591 nextGameMode = gameMode;
11593 nextGameMode = EndOfGame;
11598 nextGameMode = gameMode;
11601 if (appData.noChessProgram) {
11602 gameMode = nextGameMode;
11604 endingGame = 0; /* [HGM] crash */
11609 /* Put first chess program into idle state */
11610 if (first.pr != NoProc &&
11611 (gameMode == MachinePlaysWhite ||
11612 gameMode == MachinePlaysBlack ||
11613 gameMode == TwoMachinesPlay ||
11614 gameMode == IcsPlayingWhite ||
11615 gameMode == IcsPlayingBlack ||
11616 gameMode == BeginningOfGame)) {
11617 SendToProgram("force\n", &first);
11618 if (first.usePing) {
11620 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11621 SendToProgram(buf, &first);
11624 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11625 /* Kill off first chess program */
11626 if (first.isr != NULL)
11627 RemoveInputSource(first.isr);
11630 if (first.pr != NoProc) {
11632 DoSleep( appData.delayBeforeQuit );
11633 SendToProgram("quit\n", &first);
11634 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11635 first.reload = TRUE;
11639 if (second.reuse) {
11640 /* Put second chess program into idle state */
11641 if (second.pr != NoProc &&
11642 gameMode == TwoMachinesPlay) {
11643 SendToProgram("force\n", &second);
11644 if (second.usePing) {
11646 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11647 SendToProgram(buf, &second);
11650 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11651 /* Kill off second chess program */
11652 if (second.isr != NULL)
11653 RemoveInputSource(second.isr);
11656 if (second.pr != NoProc) {
11657 DoSleep( appData.delayBeforeQuit );
11658 SendToProgram("quit\n", &second);
11659 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11660 second.reload = TRUE;
11662 second.pr = NoProc;
11665 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11666 char resChar = '=';
11670 if (first.twoMachinesColor[0] == 'w') {
11673 second.matchWins++;
11678 if (first.twoMachinesColor[0] == 'b') {
11681 second.matchWins++;
11684 case GameUnfinished:
11690 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11691 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11692 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11693 ReserveGame(nextGame, resChar); // sets nextGame
11694 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11695 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11696 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11698 if (nextGame <= appData.matchGames && !abortMatch) {
11699 gameMode = nextGameMode;
11700 matchGame = nextGame; // this will be overruled in tourney mode!
11701 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11702 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11703 endingGame = 0; /* [HGM] crash */
11706 gameMode = nextGameMode;
11707 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11708 first.tidy, second.tidy,
11709 first.matchWins, second.matchWins,
11710 appData.matchGames - (first.matchWins + second.matchWins));
11711 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11712 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11713 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11714 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11715 first.twoMachinesColor = "black\n";
11716 second.twoMachinesColor = "white\n";
11718 first.twoMachinesColor = "white\n";
11719 second.twoMachinesColor = "black\n";
11723 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11724 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11726 gameMode = nextGameMode;
11728 endingGame = 0; /* [HGM] crash */
11729 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11730 if(matchMode == TRUE) { // match through command line: exit with or without popup
11732 ToNrEvent(forwardMostMove);
11733 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11735 } else DisplayFatalError(buf, 0, 0);
11736 } else { // match through menu; just stop, with or without popup
11737 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11740 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11741 } else DisplayNote(buf);
11743 if(ranking) free(ranking);
11747 /* Assumes program was just initialized (initString sent).
11748 Leaves program in force mode. */
11750 FeedMovesToProgram (ChessProgramState *cps, int upto)
11754 if (appData.debugMode)
11755 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11756 startedFromSetupPosition ? "position and " : "",
11757 backwardMostMove, upto, cps->which);
11758 if(currentlyInitializedVariant != gameInfo.variant) {
11760 // [HGM] variantswitch: make engine aware of new variant
11761 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11762 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11763 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11764 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11765 SendToProgram(buf, cps);
11766 currentlyInitializedVariant = gameInfo.variant;
11768 SendToProgram("force\n", cps);
11769 if (startedFromSetupPosition) {
11770 SendBoard(cps, backwardMostMove);
11771 if (appData.debugMode) {
11772 fprintf(debugFP, "feedMoves\n");
11775 for (i = backwardMostMove; i < upto; i++) {
11776 SendMoveToProgram(i, cps);
11782 ResurrectChessProgram ()
11784 /* The chess program may have exited.
11785 If so, restart it and feed it all the moves made so far. */
11786 static int doInit = 0;
11788 if (appData.noChessProgram) return 1;
11790 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11791 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11792 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11793 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11795 if (first.pr != NoProc) return 1;
11796 StartChessProgram(&first);
11798 InitChessProgram(&first, FALSE);
11799 FeedMovesToProgram(&first, currentMove);
11801 if (!first.sendTime) {
11802 /* can't tell gnuchess what its clock should read,
11803 so we bow to its notion. */
11805 timeRemaining[0][currentMove] = whiteTimeRemaining;
11806 timeRemaining[1][currentMove] = blackTimeRemaining;
11809 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11810 appData.icsEngineAnalyze) && first.analysisSupport) {
11811 SendToProgram("analyze\n", &first);
11812 first.analyzing = TRUE;
11818 * Button procedures
11821 Reset (int redraw, int init)
11825 if (appData.debugMode) {
11826 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11827 redraw, init, gameMode);
11829 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11830 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11831 CleanupTail(); // [HGM] vari: delete any stored variations
11832 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11833 pausing = pauseExamInvalid = FALSE;
11834 startedFromSetupPosition = blackPlaysFirst = FALSE;
11836 whiteFlag = blackFlag = FALSE;
11837 userOfferedDraw = FALSE;
11838 hintRequested = bookRequested = FALSE;
11839 first.maybeThinking = FALSE;
11840 second.maybeThinking = FALSE;
11841 first.bookSuspend = FALSE; // [HGM] book
11842 second.bookSuspend = FALSE;
11843 thinkOutput[0] = NULLCHAR;
11844 lastHint[0] = NULLCHAR;
11845 ClearGameInfo(&gameInfo);
11846 gameInfo.variant = StringToVariant(appData.variant);
11847 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11848 ics_user_moved = ics_clock_paused = FALSE;
11849 ics_getting_history = H_FALSE;
11851 white_holding[0] = black_holding[0] = NULLCHAR;
11852 ClearProgramStats();
11853 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11857 flipView = appData.flipView;
11858 ClearPremoveHighlights();
11859 gotPremove = FALSE;
11860 alarmSounded = FALSE;
11861 killX = killY = -1; // [HGM] lion
11863 GameEnds(EndOfFile, NULL, GE_PLAYER);
11864 if(appData.serverMovesName != NULL) {
11865 /* [HGM] prepare to make moves file for broadcasting */
11866 clock_t t = clock();
11867 if(serverMoves != NULL) fclose(serverMoves);
11868 serverMoves = fopen(appData.serverMovesName, "r");
11869 if(serverMoves != NULL) {
11870 fclose(serverMoves);
11871 /* delay 15 sec before overwriting, so all clients can see end */
11872 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11874 serverMoves = fopen(appData.serverMovesName, "w");
11878 gameMode = BeginningOfGame;
11880 if(appData.icsActive) gameInfo.variant = VariantNormal;
11881 currentMove = forwardMostMove = backwardMostMove = 0;
11882 MarkTargetSquares(1);
11883 InitPosition(redraw);
11884 for (i = 0; i < MAX_MOVES; i++) {
11885 if (commentList[i] != NULL) {
11886 free(commentList[i]);
11887 commentList[i] = NULL;
11891 timeRemaining[0][0] = whiteTimeRemaining;
11892 timeRemaining[1][0] = blackTimeRemaining;
11894 if (first.pr == NoProc) {
11895 StartChessProgram(&first);
11898 InitChessProgram(&first, startedFromSetupPosition);
11901 DisplayMessage("", "");
11902 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11903 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11904 ClearMap(); // [HGM] exclude: invalidate map
11908 AutoPlayGameLoop ()
11911 if (!AutoPlayOneMove())
11913 if (matchMode || appData.timeDelay == 0)
11915 if (appData.timeDelay < 0)
11917 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11925 ReloadGame(1); // next game
11931 int fromX, fromY, toX, toY;
11933 if (appData.debugMode) {
11934 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11937 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11940 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11941 pvInfoList[currentMove].depth = programStats.depth;
11942 pvInfoList[currentMove].score = programStats.score;
11943 pvInfoList[currentMove].time = 0;
11944 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11945 else { // append analysis of final position as comment
11947 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11948 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11950 programStats.depth = 0;
11953 if (currentMove >= forwardMostMove) {
11954 if(gameMode == AnalyzeFile) {
11955 if(appData.loadGameIndex == -1) {
11956 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11957 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11959 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11962 // gameMode = EndOfGame;
11963 // ModeHighlight();
11965 /* [AS] Clear current move marker at the end of a game */
11966 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11971 toX = moveList[currentMove][2] - AAA;
11972 toY = moveList[currentMove][3] - ONE;
11974 if (moveList[currentMove][1] == '@') {
11975 if (appData.highlightLastMove) {
11976 SetHighlights(-1, -1, toX, toY);
11979 int viaX = moveList[currentMove][5] - AAA;
11980 int viaY = moveList[currentMove][6] - ONE;
11981 fromX = moveList[currentMove][0] - AAA;
11982 fromY = moveList[currentMove][1] - ONE;
11984 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11986 if(moveList[currentMove][4] == ';') { // multi-leg
11987 ChessSquare piece = boards[currentMove][viaY][viaX];
11988 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11989 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11990 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11991 boards[currentMove][viaY][viaX] = piece;
11993 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11995 if (appData.highlightLastMove) {
11996 SetHighlights(fromX, fromY, toX, toY);
11999 DisplayMove(currentMove);
12000 SendMoveToProgram(currentMove++, &first);
12001 DisplayBothClocks();
12002 DrawPosition(FALSE, boards[currentMove]);
12003 // [HGM] PV info: always display, routine tests if empty
12004 DisplayComment(currentMove - 1, commentList[currentMove]);
12010 LoadGameOneMove (ChessMove readAhead)
12012 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12013 char promoChar = NULLCHAR;
12014 ChessMove moveType;
12015 char move[MSG_SIZ];
12018 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12019 gameMode != AnalyzeMode && gameMode != Training) {
12024 yyboardindex = forwardMostMove;
12025 if (readAhead != EndOfFile) {
12026 moveType = readAhead;
12028 if (gameFileFP == NULL)
12030 moveType = (ChessMove) Myylex();
12034 switch (moveType) {
12036 if (appData.debugMode)
12037 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12040 /* append the comment but don't display it */
12041 AppendComment(currentMove, p, FALSE);
12044 case WhiteCapturesEnPassant:
12045 case BlackCapturesEnPassant:
12046 case WhitePromotion:
12047 case BlackPromotion:
12048 case WhiteNonPromotion:
12049 case BlackNonPromotion:
12052 case WhiteKingSideCastle:
12053 case WhiteQueenSideCastle:
12054 case BlackKingSideCastle:
12055 case BlackQueenSideCastle:
12056 case WhiteKingSideCastleWild:
12057 case WhiteQueenSideCastleWild:
12058 case BlackKingSideCastleWild:
12059 case BlackQueenSideCastleWild:
12061 case WhiteHSideCastleFR:
12062 case WhiteASideCastleFR:
12063 case BlackHSideCastleFR:
12064 case BlackASideCastleFR:
12066 if (appData.debugMode)
12067 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12068 fromX = currentMoveString[0] - AAA;
12069 fromY = currentMoveString[1] - ONE;
12070 toX = currentMoveString[2] - AAA;
12071 toY = currentMoveString[3] - ONE;
12072 promoChar = currentMoveString[4];
12073 if(promoChar == ';') promoChar = NULLCHAR;
12078 if (appData.debugMode)
12079 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12080 fromX = moveType == WhiteDrop ?
12081 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12082 (int) CharToPiece(ToLower(currentMoveString[0]));
12084 toX = currentMoveString[2] - AAA;
12085 toY = currentMoveString[3] - ONE;
12091 case GameUnfinished:
12092 if (appData.debugMode)
12093 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12094 p = strchr(yy_text, '{');
12095 if (p == NULL) p = strchr(yy_text, '(');
12098 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12100 q = strchr(p, *p == '{' ? '}' : ')');
12101 if (q != NULL) *q = NULLCHAR;
12104 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12105 GameEnds(moveType, p, GE_FILE);
12107 if (cmailMsgLoaded) {
12109 flipView = WhiteOnMove(currentMove);
12110 if (moveType == GameUnfinished) flipView = !flipView;
12111 if (appData.debugMode)
12112 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12117 if (appData.debugMode)
12118 fprintf(debugFP, "Parser hit end of file\n");
12119 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12125 if (WhiteOnMove(currentMove)) {
12126 GameEnds(BlackWins, "Black mates", GE_FILE);
12128 GameEnds(WhiteWins, "White mates", GE_FILE);
12132 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12138 case MoveNumberOne:
12139 if (lastLoadGameStart == GNUChessGame) {
12140 /* GNUChessGames have numbers, but they aren't move numbers */
12141 if (appData.debugMode)
12142 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12143 yy_text, (int) moveType);
12144 return LoadGameOneMove(EndOfFile); /* tail recursion */
12146 /* else fall thru */
12151 /* Reached start of next game in file */
12152 if (appData.debugMode)
12153 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12154 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12160 if (WhiteOnMove(currentMove)) {
12161 GameEnds(BlackWins, "Black mates", GE_FILE);
12163 GameEnds(WhiteWins, "White mates", GE_FILE);
12167 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12173 case PositionDiagram: /* should not happen; ignore */
12174 case ElapsedTime: /* ignore */
12175 case NAG: /* ignore */
12176 if (appData.debugMode)
12177 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12178 yy_text, (int) moveType);
12179 return LoadGameOneMove(EndOfFile); /* tail recursion */
12182 if (appData.testLegality) {
12183 if (appData.debugMode)
12184 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12185 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12186 (forwardMostMove / 2) + 1,
12187 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12188 DisplayError(move, 0);
12191 if (appData.debugMode)
12192 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12193 yy_text, currentMoveString);
12194 if(currentMoveString[1] == '@') {
12195 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12198 fromX = currentMoveString[0] - AAA;
12199 fromY = currentMoveString[1] - ONE;
12201 toX = currentMoveString[2] - AAA;
12202 toY = currentMoveString[3] - ONE;
12203 promoChar = currentMoveString[4];
12207 case AmbiguousMove:
12208 if (appData.debugMode)
12209 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12210 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12211 (forwardMostMove / 2) + 1,
12212 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12213 DisplayError(move, 0);
12218 case ImpossibleMove:
12219 if (appData.debugMode)
12220 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12221 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12222 (forwardMostMove / 2) + 1,
12223 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12224 DisplayError(move, 0);
12230 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12231 DrawPosition(FALSE, boards[currentMove]);
12232 DisplayBothClocks();
12233 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12234 DisplayComment(currentMove - 1, commentList[currentMove]);
12236 (void) StopLoadGameTimer();
12238 cmailOldMove = forwardMostMove;
12241 /* currentMoveString is set as a side-effect of yylex */
12243 thinkOutput[0] = NULLCHAR;
12244 MakeMove(fromX, fromY, toX, toY, promoChar);
12245 killX = killY = -1; // [HGM] lion: used up
12246 currentMove = forwardMostMove;
12251 /* Load the nth game from the given file */
12253 LoadGameFromFile (char *filename, int n, char *title, int useList)
12258 if (strcmp(filename, "-") == 0) {
12262 f = fopen(filename, "rb");
12264 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12265 DisplayError(buf, errno);
12269 if (fseek(f, 0, 0) == -1) {
12270 /* f is not seekable; probably a pipe */
12273 if (useList && n == 0) {
12274 int error = GameListBuild(f);
12276 DisplayError(_("Cannot build game list"), error);
12277 } else if (!ListEmpty(&gameList) &&
12278 ((ListGame *) gameList.tailPred)->number > 1) {
12279 GameListPopUp(f, title);
12286 return LoadGame(f, n, title, FALSE);
12291 MakeRegisteredMove ()
12293 int fromX, fromY, toX, toY;
12295 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12296 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12299 if (appData.debugMode)
12300 fprintf(debugFP, "Restoring %s for game %d\n",
12301 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12303 thinkOutput[0] = NULLCHAR;
12304 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12305 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12306 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12307 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12308 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12309 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12310 MakeMove(fromX, fromY, toX, toY, promoChar);
12311 ShowMove(fromX, fromY, toX, toY);
12313 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12320 if (WhiteOnMove(currentMove)) {
12321 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12323 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12328 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12335 if (WhiteOnMove(currentMove)) {
12336 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12338 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12343 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12354 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12356 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12360 if (gameNumber > nCmailGames) {
12361 DisplayError(_("No more games in this message"), 0);
12364 if (f == lastLoadGameFP) {
12365 int offset = gameNumber - lastLoadGameNumber;
12367 cmailMsg[0] = NULLCHAR;
12368 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12369 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12370 nCmailMovesRegistered--;
12372 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12373 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12374 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12377 if (! RegisterMove()) return FALSE;
12381 retVal = LoadGame(f, gameNumber, title, useList);
12383 /* Make move registered during previous look at this game, if any */
12384 MakeRegisteredMove();
12386 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12387 commentList[currentMove]
12388 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12389 DisplayComment(currentMove - 1, commentList[currentMove]);
12395 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12397 ReloadGame (int offset)
12399 int gameNumber = lastLoadGameNumber + offset;
12400 if (lastLoadGameFP == NULL) {
12401 DisplayError(_("No game has been loaded yet"), 0);
12404 if (gameNumber <= 0) {
12405 DisplayError(_("Can't back up any further"), 0);
12408 if (cmailMsgLoaded) {
12409 return CmailLoadGame(lastLoadGameFP, gameNumber,
12410 lastLoadGameTitle, lastLoadGameUseList);
12412 return LoadGame(lastLoadGameFP, gameNumber,
12413 lastLoadGameTitle, lastLoadGameUseList);
12417 int keys[EmptySquare+1];
12420 PositionMatches (Board b1, Board b2)
12423 switch(appData.searchMode) {
12424 case 1: return CompareWithRights(b1, b2);
12426 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12427 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12431 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12432 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12433 sum += keys[b1[r][f]] - keys[b2[r][f]];
12437 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12438 sum += keys[b1[r][f]] - keys[b2[r][f]];
12450 int pieceList[256], quickBoard[256];
12451 ChessSquare pieceType[256] = { EmptySquare };
12452 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12453 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12454 int soughtTotal, turn;
12455 Boolean epOK, flipSearch;
12458 unsigned char piece, to;
12461 #define DSIZE (250000)
12463 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12464 Move *moveDatabase = initialSpace;
12465 unsigned int movePtr, dataSize = DSIZE;
12468 MakePieceList (Board board, int *counts)
12470 int r, f, n=Q_PROMO, total=0;
12471 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12472 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12473 int sq = f + (r<<4);
12474 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12475 quickBoard[sq] = ++n;
12477 pieceType[n] = board[r][f];
12478 counts[board[r][f]]++;
12479 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12480 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12484 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12489 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12491 int sq = fromX + (fromY<<4);
12492 int piece = quickBoard[sq], rook;
12493 quickBoard[sq] = 0;
12494 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12495 if(piece == pieceList[1] && fromY == toY) {
12496 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12497 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12498 moveDatabase[movePtr++].piece = Q_WCASTL;
12499 quickBoard[sq] = piece;
12500 piece = quickBoard[from]; quickBoard[from] = 0;
12501 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12502 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12503 quickBoard[sq] = 0; // remove Rook
12504 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12505 moveDatabase[movePtr++].piece = Q_WCASTL;
12506 quickBoard[sq] = pieceList[1]; // put King
12508 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12511 if(piece == pieceList[2] && fromY == toY) {
12512 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12513 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12514 moveDatabase[movePtr++].piece = Q_BCASTL;
12515 quickBoard[sq] = piece;
12516 piece = quickBoard[from]; quickBoard[from] = 0;
12517 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12518 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12519 quickBoard[sq] = 0; // remove Rook
12520 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12521 moveDatabase[movePtr++].piece = Q_BCASTL;
12522 quickBoard[sq] = pieceList[2]; // put King
12524 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12527 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12528 quickBoard[(fromY<<4)+toX] = 0;
12529 moveDatabase[movePtr].piece = Q_EP;
12530 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12531 moveDatabase[movePtr].to = sq;
12533 if(promoPiece != pieceType[piece]) {
12534 moveDatabase[movePtr++].piece = Q_PROMO;
12535 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12537 moveDatabase[movePtr].piece = piece;
12538 quickBoard[sq] = piece;
12543 PackGame (Board board)
12545 Move *newSpace = NULL;
12546 moveDatabase[movePtr].piece = 0; // terminate previous game
12547 if(movePtr > dataSize) {
12548 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12549 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12550 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12553 Move *p = moveDatabase, *q = newSpace;
12554 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12555 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12556 moveDatabase = newSpace;
12557 } else { // calloc failed, we must be out of memory. Too bad...
12558 dataSize = 0; // prevent calloc events for all subsequent games
12559 return 0; // and signal this one isn't cached
12563 MakePieceList(board, counts);
12568 QuickCompare (Board board, int *minCounts, int *maxCounts)
12569 { // compare according to search mode
12571 switch(appData.searchMode)
12573 case 1: // exact position match
12574 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12575 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12576 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12579 case 2: // can have extra material on empty squares
12580 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12581 if(board[r][f] == EmptySquare) continue;
12582 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12585 case 3: // material with exact Pawn structure
12586 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12587 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12588 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12589 } // fall through to material comparison
12590 case 4: // exact material
12591 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12593 case 6: // material range with given imbalance
12594 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12595 // fall through to range comparison
12596 case 5: // material range
12597 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12603 QuickScan (Board board, Move *move)
12604 { // reconstruct game,and compare all positions in it
12605 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12607 int piece = move->piece;
12608 int to = move->to, from = pieceList[piece];
12609 if(found < 0) { // if already found just scan to game end for final piece count
12610 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12611 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12612 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12613 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12615 static int lastCounts[EmptySquare+1];
12617 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12618 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12619 } else stretch = 0;
12620 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12621 if(found >= 0 && !appData.minPieces) return found;
12623 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12624 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12625 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12626 piece = (++move)->piece;
12627 from = pieceList[piece];
12628 counts[pieceType[piece]]--;
12629 pieceType[piece] = (ChessSquare) move->to;
12630 counts[move->to]++;
12631 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12632 counts[pieceType[quickBoard[to]]]--;
12633 quickBoard[to] = 0; total--;
12636 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12637 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12638 from = pieceList[piece]; // so this must be King
12639 quickBoard[from] = 0;
12640 pieceList[piece] = to;
12641 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12642 quickBoard[from] = 0; // rook
12643 quickBoard[to] = piece;
12644 to = move->to; piece = move->piece;
12648 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12649 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12650 quickBoard[from] = 0;
12652 quickBoard[to] = piece;
12653 pieceList[piece] = to;
12663 flipSearch = FALSE;
12664 CopyBoard(soughtBoard, boards[currentMove]);
12665 soughtTotal = MakePieceList(soughtBoard, maxSought);
12666 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12667 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12668 CopyBoard(reverseBoard, boards[currentMove]);
12669 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12670 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12671 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12672 reverseBoard[r][f] = piece;
12674 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12675 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12676 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12677 || (boards[currentMove][CASTLING][2] == NoRights ||
12678 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12679 && (boards[currentMove][CASTLING][5] == NoRights ||
12680 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12683 CopyBoard(flipBoard, soughtBoard);
12684 CopyBoard(rotateBoard, reverseBoard);
12685 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12686 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12687 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12690 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12691 if(appData.searchMode >= 5) {
12692 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12693 MakePieceList(soughtBoard, minSought);
12694 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12696 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12697 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12700 GameInfo dummyInfo;
12701 static int creatingBook;
12704 GameContainsPosition (FILE *f, ListGame *lg)
12706 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12707 int fromX, fromY, toX, toY;
12709 static int initDone=FALSE;
12711 // weed out games based on numerical tag comparison
12712 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12713 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12714 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12715 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12717 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12720 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12721 else CopyBoard(boards[scratch], initialPosition); // default start position
12724 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12725 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12728 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12729 fseek(f, lg->offset, 0);
12732 yyboardindex = scratch;
12733 quickFlag = plyNr+1;
12738 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12744 if(plyNr) return -1; // after we have seen moves, this is for new game
12747 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12748 case ImpossibleMove:
12749 case WhiteWins: // game ends here with these four
12752 case GameUnfinished:
12756 if(appData.testLegality) return -1;
12757 case WhiteCapturesEnPassant:
12758 case BlackCapturesEnPassant:
12759 case WhitePromotion:
12760 case BlackPromotion:
12761 case WhiteNonPromotion:
12762 case BlackNonPromotion:
12765 case WhiteKingSideCastle:
12766 case WhiteQueenSideCastle:
12767 case BlackKingSideCastle:
12768 case BlackQueenSideCastle:
12769 case WhiteKingSideCastleWild:
12770 case WhiteQueenSideCastleWild:
12771 case BlackKingSideCastleWild:
12772 case BlackQueenSideCastleWild:
12773 case WhiteHSideCastleFR:
12774 case WhiteASideCastleFR:
12775 case BlackHSideCastleFR:
12776 case BlackASideCastleFR:
12777 fromX = currentMoveString[0] - AAA;
12778 fromY = currentMoveString[1] - ONE;
12779 toX = currentMoveString[2] - AAA;
12780 toY = currentMoveString[3] - ONE;
12781 promoChar = currentMoveString[4];
12785 fromX = next == WhiteDrop ?
12786 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12787 (int) CharToPiece(ToLower(currentMoveString[0]));
12789 toX = currentMoveString[2] - AAA;
12790 toY = currentMoveString[3] - ONE;
12794 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12796 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12797 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12798 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12799 if(appData.findMirror) {
12800 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12801 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12806 /* Load the nth game from open file f */
12808 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12812 int gn = gameNumber;
12813 ListGame *lg = NULL;
12814 int numPGNTags = 0;
12816 GameMode oldGameMode;
12817 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12818 char oldName[MSG_SIZ];
12820 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12822 if (appData.debugMode)
12823 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12825 if (gameMode == Training )
12826 SetTrainingModeOff();
12828 oldGameMode = gameMode;
12829 if (gameMode != BeginningOfGame) {
12830 Reset(FALSE, TRUE);
12832 killX = killY = -1; // [HGM] lion: in case we did not Reset
12835 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12836 fclose(lastLoadGameFP);
12840 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12843 fseek(f, lg->offset, 0);
12844 GameListHighlight(gameNumber);
12845 pos = lg->position;
12849 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12850 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12852 DisplayError(_("Game number out of range"), 0);
12857 if (fseek(f, 0, 0) == -1) {
12858 if (f == lastLoadGameFP ?
12859 gameNumber == lastLoadGameNumber + 1 :
12863 DisplayError(_("Can't seek on game file"), 0);
12868 lastLoadGameFP = f;
12869 lastLoadGameNumber = gameNumber;
12870 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12871 lastLoadGameUseList = useList;
12875 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12876 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12877 lg->gameInfo.black);
12879 } else if (*title != NULLCHAR) {
12880 if (gameNumber > 1) {
12881 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12884 DisplayTitle(title);
12888 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12889 gameMode = PlayFromGameFile;
12893 currentMove = forwardMostMove = backwardMostMove = 0;
12894 CopyBoard(boards[0], initialPosition);
12898 * Skip the first gn-1 games in the file.
12899 * Also skip over anything that precedes an identifiable
12900 * start of game marker, to avoid being confused by
12901 * garbage at the start of the file. Currently
12902 * recognized start of game markers are the move number "1",
12903 * the pattern "gnuchess .* game", the pattern
12904 * "^[#;%] [^ ]* game file", and a PGN tag block.
12905 * A game that starts with one of the latter two patterns
12906 * will also have a move number 1, possibly
12907 * following a position diagram.
12908 * 5-4-02: Let's try being more lenient and allowing a game to
12909 * start with an unnumbered move. Does that break anything?
12911 cm = lastLoadGameStart = EndOfFile;
12913 yyboardindex = forwardMostMove;
12914 cm = (ChessMove) Myylex();
12917 if (cmailMsgLoaded) {
12918 nCmailGames = CMAIL_MAX_GAMES - gn;
12921 DisplayError(_("Game not found in file"), 0);
12928 lastLoadGameStart = cm;
12931 case MoveNumberOne:
12932 switch (lastLoadGameStart) {
12937 case MoveNumberOne:
12939 gn--; /* count this game */
12940 lastLoadGameStart = cm;
12949 switch (lastLoadGameStart) {
12952 case MoveNumberOne:
12954 gn--; /* count this game */
12955 lastLoadGameStart = cm;
12958 lastLoadGameStart = cm; /* game counted already */
12966 yyboardindex = forwardMostMove;
12967 cm = (ChessMove) Myylex();
12968 } while (cm == PGNTag || cm == Comment);
12975 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12976 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12977 != CMAIL_OLD_RESULT) {
12979 cmailResult[ CMAIL_MAX_GAMES
12980 - gn - 1] = CMAIL_OLD_RESULT;
12987 /* Only a NormalMove can be at the start of a game
12988 * without a position diagram. */
12989 if (lastLoadGameStart == EndOfFile ) {
12991 lastLoadGameStart = MoveNumberOne;
13000 if (appData.debugMode)
13001 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13003 if (cm == XBoardGame) {
13004 /* Skip any header junk before position diagram and/or move 1 */
13006 yyboardindex = forwardMostMove;
13007 cm = (ChessMove) Myylex();
13009 if (cm == EndOfFile ||
13010 cm == GNUChessGame || cm == XBoardGame) {
13011 /* Empty game; pretend end-of-file and handle later */
13016 if (cm == MoveNumberOne || cm == PositionDiagram ||
13017 cm == PGNTag || cm == Comment)
13020 } else if (cm == GNUChessGame) {
13021 if (gameInfo.event != NULL) {
13022 free(gameInfo.event);
13024 gameInfo.event = StrSave(yy_text);
13027 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13028 while (cm == PGNTag) {
13029 if (appData.debugMode)
13030 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13031 err = ParsePGNTag(yy_text, &gameInfo);
13032 if (!err) numPGNTags++;
13034 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13035 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13036 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13037 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13038 InitPosition(TRUE);
13039 oldVariant = gameInfo.variant;
13040 if (appData.debugMode)
13041 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13045 if (gameInfo.fen != NULL) {
13046 Board initial_position;
13047 startedFromSetupPosition = TRUE;
13048 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13050 DisplayError(_("Bad FEN position in file"), 0);
13053 CopyBoard(boards[0], initial_position);
13054 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13055 CopyBoard(initialPosition, initial_position);
13056 if (blackPlaysFirst) {
13057 currentMove = forwardMostMove = backwardMostMove = 1;
13058 CopyBoard(boards[1], initial_position);
13059 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13060 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13061 timeRemaining[0][1] = whiteTimeRemaining;
13062 timeRemaining[1][1] = blackTimeRemaining;
13063 if (commentList[0] != NULL) {
13064 commentList[1] = commentList[0];
13065 commentList[0] = NULL;
13068 currentMove = forwardMostMove = backwardMostMove = 0;
13070 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13072 initialRulePlies = FENrulePlies;
13073 for( i=0; i< nrCastlingRights; i++ )
13074 initialRights[i] = initial_position[CASTLING][i];
13076 yyboardindex = forwardMostMove;
13077 free(gameInfo.fen);
13078 gameInfo.fen = NULL;
13081 yyboardindex = forwardMostMove;
13082 cm = (ChessMove) Myylex();
13084 /* Handle comments interspersed among the tags */
13085 while (cm == Comment) {
13087 if (appData.debugMode)
13088 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13090 AppendComment(currentMove, p, FALSE);
13091 yyboardindex = forwardMostMove;
13092 cm = (ChessMove) Myylex();
13096 /* don't rely on existence of Event tag since if game was
13097 * pasted from clipboard the Event tag may not exist
13099 if (numPGNTags > 0){
13101 if (gameInfo.variant == VariantNormal) {
13102 VariantClass v = StringToVariant(gameInfo.event);
13103 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13104 if(v < VariantShogi) gameInfo.variant = v;
13107 if( appData.autoDisplayTags ) {
13108 tags = PGNTags(&gameInfo);
13109 TagsPopUp(tags, CmailMsg());
13114 /* Make something up, but don't display it now */
13119 if (cm == PositionDiagram) {
13122 Board initial_position;
13124 if (appData.debugMode)
13125 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13127 if (!startedFromSetupPosition) {
13129 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13130 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13141 initial_position[i][j++] = CharToPiece(*p);
13144 while (*p == ' ' || *p == '\t' ||
13145 *p == '\n' || *p == '\r') p++;
13147 if (strncmp(p, "black", strlen("black"))==0)
13148 blackPlaysFirst = TRUE;
13150 blackPlaysFirst = FALSE;
13151 startedFromSetupPosition = TRUE;
13153 CopyBoard(boards[0], initial_position);
13154 if (blackPlaysFirst) {
13155 currentMove = forwardMostMove = backwardMostMove = 1;
13156 CopyBoard(boards[1], initial_position);
13157 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13158 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13159 timeRemaining[0][1] = whiteTimeRemaining;
13160 timeRemaining[1][1] = blackTimeRemaining;
13161 if (commentList[0] != NULL) {
13162 commentList[1] = commentList[0];
13163 commentList[0] = NULL;
13166 currentMove = forwardMostMove = backwardMostMove = 0;
13169 yyboardindex = forwardMostMove;
13170 cm = (ChessMove) Myylex();
13173 if(!creatingBook) {
13174 if (first.pr == NoProc) {
13175 StartChessProgram(&first);
13177 InitChessProgram(&first, FALSE);
13178 if(gameInfo.variant == VariantUnknown && *oldName) {
13179 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13180 gameInfo.variant = v;
13182 SendToProgram("force\n", &first);
13183 if (startedFromSetupPosition) {
13184 SendBoard(&first, forwardMostMove);
13185 if (appData.debugMode) {
13186 fprintf(debugFP, "Load Game\n");
13188 DisplayBothClocks();
13192 /* [HGM] server: flag to write setup moves in broadcast file as one */
13193 loadFlag = appData.suppressLoadMoves;
13195 while (cm == Comment) {
13197 if (appData.debugMode)
13198 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13200 AppendComment(currentMove, p, FALSE);
13201 yyboardindex = forwardMostMove;
13202 cm = (ChessMove) Myylex();
13205 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13206 cm == WhiteWins || cm == BlackWins ||
13207 cm == GameIsDrawn || cm == GameUnfinished) {
13208 DisplayMessage("", _("No moves in game"));
13209 if (cmailMsgLoaded) {
13210 if (appData.debugMode)
13211 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13215 DrawPosition(FALSE, boards[currentMove]);
13216 DisplayBothClocks();
13217 gameMode = EditGame;
13224 // [HGM] PV info: routine tests if comment empty
13225 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13226 DisplayComment(currentMove - 1, commentList[currentMove]);
13228 if (!matchMode && appData.timeDelay != 0)
13229 DrawPosition(FALSE, boards[currentMove]);
13231 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13232 programStats.ok_to_send = 1;
13235 /* if the first token after the PGN tags is a move
13236 * and not move number 1, retrieve it from the parser
13238 if (cm != MoveNumberOne)
13239 LoadGameOneMove(cm);
13241 /* load the remaining moves from the file */
13242 while (LoadGameOneMove(EndOfFile)) {
13243 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13244 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13247 /* rewind to the start of the game */
13248 currentMove = backwardMostMove;
13250 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13252 if (oldGameMode == AnalyzeFile) {
13253 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13254 AnalyzeFileEvent();
13256 if (oldGameMode == AnalyzeMode) {
13257 AnalyzeFileEvent();
13260 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13261 long int w, b; // [HGM] adjourn: restore saved clock times
13262 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13263 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13264 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13265 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13269 if(creatingBook) return TRUE;
13270 if (!matchMode && pos > 0) {
13271 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13273 if (matchMode || appData.timeDelay == 0) {
13275 } else if (appData.timeDelay > 0) {
13276 AutoPlayGameLoop();
13279 if (appData.debugMode)
13280 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13282 loadFlag = 0; /* [HGM] true game starts */
13286 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13288 ReloadPosition (int offset)
13290 int positionNumber = lastLoadPositionNumber + offset;
13291 if (lastLoadPositionFP == NULL) {
13292 DisplayError(_("No position has been loaded yet"), 0);
13295 if (positionNumber <= 0) {
13296 DisplayError(_("Can't back up any further"), 0);
13299 return LoadPosition(lastLoadPositionFP, positionNumber,
13300 lastLoadPositionTitle);
13303 /* Load the nth position from the given file */
13305 LoadPositionFromFile (char *filename, int n, char *title)
13310 if (strcmp(filename, "-") == 0) {
13311 return LoadPosition(stdin, n, "stdin");
13313 f = fopen(filename, "rb");
13315 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13316 DisplayError(buf, errno);
13319 return LoadPosition(f, n, title);
13324 /* Load the nth position from the given open file, and close it */
13326 LoadPosition (FILE *f, int positionNumber, char *title)
13328 char *p, line[MSG_SIZ];
13329 Board initial_position;
13330 int i, j, fenMode, pn;
13332 if (gameMode == Training )
13333 SetTrainingModeOff();
13335 if (gameMode != BeginningOfGame) {
13336 Reset(FALSE, TRUE);
13338 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13339 fclose(lastLoadPositionFP);
13341 if (positionNumber == 0) positionNumber = 1;
13342 lastLoadPositionFP = f;
13343 lastLoadPositionNumber = positionNumber;
13344 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13345 if (first.pr == NoProc && !appData.noChessProgram) {
13346 StartChessProgram(&first);
13347 InitChessProgram(&first, FALSE);
13349 pn = positionNumber;
13350 if (positionNumber < 0) {
13351 /* Negative position number means to seek to that byte offset */
13352 if (fseek(f, -positionNumber, 0) == -1) {
13353 DisplayError(_("Can't seek on position file"), 0);
13358 if (fseek(f, 0, 0) == -1) {
13359 if (f == lastLoadPositionFP ?
13360 positionNumber == lastLoadPositionNumber + 1 :
13361 positionNumber == 1) {
13364 DisplayError(_("Can't seek on position file"), 0);
13369 /* See if this file is FEN or old-style xboard */
13370 if (fgets(line, MSG_SIZ, f) == NULL) {
13371 DisplayError(_("Position not found in file"), 0);
13374 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13375 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13378 if (fenMode || line[0] == '#') pn--;
13380 /* skip positions before number pn */
13381 if (fgets(line, MSG_SIZ, f) == NULL) {
13383 DisplayError(_("Position not found in file"), 0);
13386 if (fenMode || line[0] == '#') pn--;
13392 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13393 DisplayError(_("Bad FEN position in file"), 0);
13396 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13397 sscanf(p+3, "%s", bestMove);
13398 } else *bestMove = NULLCHAR;
13400 (void) fgets(line, MSG_SIZ, f);
13401 (void) fgets(line, MSG_SIZ, f);
13403 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13404 (void) fgets(line, MSG_SIZ, f);
13405 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13408 initial_position[i][j++] = CharToPiece(*p);
13412 blackPlaysFirst = FALSE;
13414 (void) fgets(line, MSG_SIZ, f);
13415 if (strncmp(line, "black", strlen("black"))==0)
13416 blackPlaysFirst = TRUE;
13419 startedFromSetupPosition = TRUE;
13421 CopyBoard(boards[0], initial_position);
13422 if (blackPlaysFirst) {
13423 currentMove = forwardMostMove = backwardMostMove = 1;
13424 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13425 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13426 CopyBoard(boards[1], initial_position);
13427 DisplayMessage("", _("Black to play"));
13429 currentMove = forwardMostMove = backwardMostMove = 0;
13430 DisplayMessage("", _("White to play"));
13432 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13433 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13434 SendToProgram("force\n", &first);
13435 SendBoard(&first, forwardMostMove);
13437 if (appData.debugMode) {
13439 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13440 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13441 fprintf(debugFP, "Load Position\n");
13444 if (positionNumber > 1) {
13445 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13446 DisplayTitle(line);
13448 DisplayTitle(title);
13450 gameMode = EditGame;
13453 timeRemaining[0][1] = whiteTimeRemaining;
13454 timeRemaining[1][1] = blackTimeRemaining;
13455 DrawPosition(FALSE, boards[currentMove]);
13462 CopyPlayerNameIntoFileName (char **dest, char *src)
13464 while (*src != NULLCHAR && *src != ',') {
13469 *(*dest)++ = *src++;
13475 DefaultFileName (char *ext)
13477 static char def[MSG_SIZ];
13480 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13482 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13484 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13486 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13493 /* Save the current game to the given file */
13495 SaveGameToFile (char *filename, int append)
13499 int result, i, t,tot=0;
13501 if (strcmp(filename, "-") == 0) {
13502 return SaveGame(stdout, 0, NULL);
13504 for(i=0; i<10; i++) { // upto 10 tries
13505 f = fopen(filename, append ? "a" : "w");
13506 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13507 if(f || errno != 13) break;
13508 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13512 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13513 DisplayError(buf, errno);
13516 safeStrCpy(buf, lastMsg, MSG_SIZ);
13517 DisplayMessage(_("Waiting for access to save file"), "");
13518 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13519 DisplayMessage(_("Saving game"), "");
13520 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13521 result = SaveGame(f, 0, NULL);
13522 DisplayMessage(buf, "");
13529 SavePart (char *str)
13531 static char buf[MSG_SIZ];
13534 p = strchr(str, ' ');
13535 if (p == NULL) return str;
13536 strncpy(buf, str, p - str);
13537 buf[p - str] = NULLCHAR;
13541 #define PGN_MAX_LINE 75
13543 #define PGN_SIDE_WHITE 0
13544 #define PGN_SIDE_BLACK 1
13547 FindFirstMoveOutOfBook (int side)
13551 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13552 int index = backwardMostMove;
13553 int has_book_hit = 0;
13555 if( (index % 2) != side ) {
13559 while( index < forwardMostMove ) {
13560 /* Check to see if engine is in book */
13561 int depth = pvInfoList[index].depth;
13562 int score = pvInfoList[index].score;
13568 else if( score == 0 && depth == 63 ) {
13569 in_book = 1; /* Zappa */
13571 else if( score == 2 && depth == 99 ) {
13572 in_book = 1; /* Abrok */
13575 has_book_hit += in_book;
13591 GetOutOfBookInfo (char * buf)
13595 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13597 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13598 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13602 if( oob[0] >= 0 || oob[1] >= 0 ) {
13603 for( i=0; i<2; i++ ) {
13607 if( i > 0 && oob[0] >= 0 ) {
13608 strcat( buf, " " );
13611 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13612 sprintf( buf+strlen(buf), "%s%.2f",
13613 pvInfoList[idx].score >= 0 ? "+" : "",
13614 pvInfoList[idx].score / 100.0 );
13620 /* Save game in PGN style */
13622 SaveGamePGN2 (FILE *f)
13624 int i, offset, linelen, newblock;
13627 int movelen, numlen, blank;
13628 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13630 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13632 PrintPGNTags(f, &gameInfo);
13634 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13636 if (backwardMostMove > 0 || startedFromSetupPosition) {
13637 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13638 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13639 fprintf(f, "\n{--------------\n");
13640 PrintPosition(f, backwardMostMove);
13641 fprintf(f, "--------------}\n");
13645 /* [AS] Out of book annotation */
13646 if( appData.saveOutOfBookInfo ) {
13649 GetOutOfBookInfo( buf );
13651 if( buf[0] != '\0' ) {
13652 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13659 i = backwardMostMove;
13663 while (i < forwardMostMove) {
13664 /* Print comments preceding this move */
13665 if (commentList[i] != NULL) {
13666 if (linelen > 0) fprintf(f, "\n");
13667 fprintf(f, "%s", commentList[i]);
13672 /* Format move number */
13674 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13677 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13679 numtext[0] = NULLCHAR;
13681 numlen = strlen(numtext);
13684 /* Print move number */
13685 blank = linelen > 0 && numlen > 0;
13686 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13695 fprintf(f, "%s", numtext);
13699 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13700 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13703 blank = linelen > 0 && movelen > 0;
13704 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13713 fprintf(f, "%s", move_buffer);
13714 linelen += movelen;
13716 /* [AS] Add PV info if present */
13717 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13718 /* [HGM] add time */
13719 char buf[MSG_SIZ]; int seconds;
13721 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13727 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13730 seconds = (seconds + 4)/10; // round to full seconds
13732 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13734 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13737 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13738 pvInfoList[i].score >= 0 ? "+" : "",
13739 pvInfoList[i].score / 100.0,
13740 pvInfoList[i].depth,
13743 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13745 /* Print score/depth */
13746 blank = linelen > 0 && movelen > 0;
13747 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13756 fprintf(f, "%s", move_buffer);
13757 linelen += movelen;
13763 /* Start a new line */
13764 if (linelen > 0) fprintf(f, "\n");
13766 /* Print comments after last move */
13767 if (commentList[i] != NULL) {
13768 fprintf(f, "%s\n", commentList[i]);
13772 if (gameInfo.resultDetails != NULL &&
13773 gameInfo.resultDetails[0] != NULLCHAR) {
13774 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13775 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13776 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13777 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13778 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13780 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13784 /* Save game in PGN style and close the file */
13786 SaveGamePGN (FILE *f)
13790 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13794 /* Save game in old style and close the file */
13796 SaveGameOldStyle (FILE *f)
13801 tm = time((time_t *) NULL);
13803 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13806 if (backwardMostMove > 0 || startedFromSetupPosition) {
13807 fprintf(f, "\n[--------------\n");
13808 PrintPosition(f, backwardMostMove);
13809 fprintf(f, "--------------]\n");
13814 i = backwardMostMove;
13815 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13817 while (i < forwardMostMove) {
13818 if (commentList[i] != NULL) {
13819 fprintf(f, "[%s]\n", commentList[i]);
13822 if ((i % 2) == 1) {
13823 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13826 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13828 if (commentList[i] != NULL) {
13832 if (i >= forwardMostMove) {
13836 fprintf(f, "%s\n", parseList[i]);
13841 if (commentList[i] != NULL) {
13842 fprintf(f, "[%s]\n", commentList[i]);
13845 /* This isn't really the old style, but it's close enough */
13846 if (gameInfo.resultDetails != NULL &&
13847 gameInfo.resultDetails[0] != NULLCHAR) {
13848 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13849 gameInfo.resultDetails);
13851 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13858 /* Save the current game to open file f and close the file */
13860 SaveGame (FILE *f, int dummy, char *dummy2)
13862 if (gameMode == EditPosition) EditPositionDone(TRUE);
13863 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13864 if (appData.oldSaveStyle)
13865 return SaveGameOldStyle(f);
13867 return SaveGamePGN(f);
13870 /* Save the current position to the given file */
13872 SavePositionToFile (char *filename)
13877 if (strcmp(filename, "-") == 0) {
13878 return SavePosition(stdout, 0, NULL);
13880 f = fopen(filename, "a");
13882 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13883 DisplayError(buf, errno);
13886 safeStrCpy(buf, lastMsg, MSG_SIZ);
13887 DisplayMessage(_("Waiting for access to save file"), "");
13888 flock(fileno(f), LOCK_EX); // [HGM] lock
13889 DisplayMessage(_("Saving position"), "");
13890 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13891 SavePosition(f, 0, NULL);
13892 DisplayMessage(buf, "");
13898 /* Save the current position to the given open file and close the file */
13900 SavePosition (FILE *f, int dummy, char *dummy2)
13905 if (gameMode == EditPosition) EditPositionDone(TRUE);
13906 if (appData.oldSaveStyle) {
13907 tm = time((time_t *) NULL);
13909 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13911 fprintf(f, "[--------------\n");
13912 PrintPosition(f, currentMove);
13913 fprintf(f, "--------------]\n");
13915 fen = PositionToFEN(currentMove, NULL, 1);
13916 fprintf(f, "%s\n", fen);
13924 ReloadCmailMsgEvent (int unregister)
13927 static char *inFilename = NULL;
13928 static char *outFilename;
13930 struct stat inbuf, outbuf;
13933 /* Any registered moves are unregistered if unregister is set, */
13934 /* i.e. invoked by the signal handler */
13936 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13937 cmailMoveRegistered[i] = FALSE;
13938 if (cmailCommentList[i] != NULL) {
13939 free(cmailCommentList[i]);
13940 cmailCommentList[i] = NULL;
13943 nCmailMovesRegistered = 0;
13946 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13947 cmailResult[i] = CMAIL_NOT_RESULT;
13951 if (inFilename == NULL) {
13952 /* Because the filenames are static they only get malloced once */
13953 /* and they never get freed */
13954 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13955 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13957 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13958 sprintf(outFilename, "%s.out", appData.cmailGameName);
13961 status = stat(outFilename, &outbuf);
13963 cmailMailedMove = FALSE;
13965 status = stat(inFilename, &inbuf);
13966 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13969 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13970 counts the games, notes how each one terminated, etc.
13972 It would be nice to remove this kludge and instead gather all
13973 the information while building the game list. (And to keep it
13974 in the game list nodes instead of having a bunch of fixed-size
13975 parallel arrays.) Note this will require getting each game's
13976 termination from the PGN tags, as the game list builder does
13977 not process the game moves. --mann
13979 cmailMsgLoaded = TRUE;
13980 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13982 /* Load first game in the file or popup game menu */
13983 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13985 #endif /* !WIN32 */
13993 char string[MSG_SIZ];
13995 if ( cmailMailedMove
13996 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13997 return TRUE; /* Allow free viewing */
14000 /* Unregister move to ensure that we don't leave RegisterMove */
14001 /* with the move registered when the conditions for registering no */
14003 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14004 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14005 nCmailMovesRegistered --;
14007 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14009 free(cmailCommentList[lastLoadGameNumber - 1]);
14010 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14014 if (cmailOldMove == -1) {
14015 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14019 if (currentMove > cmailOldMove + 1) {
14020 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14024 if (currentMove < cmailOldMove) {
14025 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14029 if (forwardMostMove > currentMove) {
14030 /* Silently truncate extra moves */
14034 if ( (currentMove == cmailOldMove + 1)
14035 || ( (currentMove == cmailOldMove)
14036 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14037 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14038 if (gameInfo.result != GameUnfinished) {
14039 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14042 if (commentList[currentMove] != NULL) {
14043 cmailCommentList[lastLoadGameNumber - 1]
14044 = StrSave(commentList[currentMove]);
14046 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14048 if (appData.debugMode)
14049 fprintf(debugFP, "Saving %s for game %d\n",
14050 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14052 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14054 f = fopen(string, "w");
14055 if (appData.oldSaveStyle) {
14056 SaveGameOldStyle(f); /* also closes the file */
14058 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14059 f = fopen(string, "w");
14060 SavePosition(f, 0, NULL); /* also closes the file */
14062 fprintf(f, "{--------------\n");
14063 PrintPosition(f, currentMove);
14064 fprintf(f, "--------------}\n\n");
14066 SaveGame(f, 0, NULL); /* also closes the file*/
14069 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14070 nCmailMovesRegistered ++;
14071 } else if (nCmailGames == 1) {
14072 DisplayError(_("You have not made a move yet"), 0);
14083 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14084 FILE *commandOutput;
14085 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14086 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14092 if (! cmailMsgLoaded) {
14093 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14097 if (nCmailGames == nCmailResults) {
14098 DisplayError(_("No unfinished games"), 0);
14102 #if CMAIL_PROHIBIT_REMAIL
14103 if (cmailMailedMove) {
14104 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);
14105 DisplayError(msg, 0);
14110 if (! (cmailMailedMove || RegisterMove())) return;
14112 if ( cmailMailedMove
14113 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14114 snprintf(string, MSG_SIZ, partCommandString,
14115 appData.debugMode ? " -v" : "", appData.cmailGameName);
14116 commandOutput = popen(string, "r");
14118 if (commandOutput == NULL) {
14119 DisplayError(_("Failed to invoke cmail"), 0);
14121 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14122 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14124 if (nBuffers > 1) {
14125 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14126 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14127 nBytes = MSG_SIZ - 1;
14129 (void) memcpy(msg, buffer, nBytes);
14131 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14133 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14134 cmailMailedMove = TRUE; /* Prevent >1 moves */
14137 for (i = 0; i < nCmailGames; i ++) {
14138 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14143 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14145 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14147 appData.cmailGameName,
14149 LoadGameFromFile(buffer, 1, buffer, FALSE);
14150 cmailMsgLoaded = FALSE;
14154 DisplayInformation(msg);
14155 pclose(commandOutput);
14158 if ((*cmailMsg) != '\0') {
14159 DisplayInformation(cmailMsg);
14164 #endif /* !WIN32 */
14173 int prependComma = 0;
14175 char string[MSG_SIZ]; /* Space for game-list */
14178 if (!cmailMsgLoaded) return "";
14180 if (cmailMailedMove) {
14181 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14183 /* Create a list of games left */
14184 snprintf(string, MSG_SIZ, "[");
14185 for (i = 0; i < nCmailGames; i ++) {
14186 if (! ( cmailMoveRegistered[i]
14187 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14188 if (prependComma) {
14189 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14191 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14195 strcat(string, number);
14198 strcat(string, "]");
14200 if (nCmailMovesRegistered + nCmailResults == 0) {
14201 switch (nCmailGames) {
14203 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14207 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14211 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14216 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14218 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14223 if (nCmailResults == nCmailGames) {
14224 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14226 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14231 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14243 if (gameMode == Training)
14244 SetTrainingModeOff();
14247 cmailMsgLoaded = FALSE;
14248 if (appData.icsActive) {
14249 SendToICS(ics_prefix);
14250 SendToICS("refresh\n");
14255 ExitEvent (int status)
14259 /* Give up on clean exit */
14263 /* Keep trying for clean exit */
14267 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14268 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14270 if (telnetISR != NULL) {
14271 RemoveInputSource(telnetISR);
14273 if (icsPR != NoProc) {
14274 DestroyChildProcess(icsPR, TRUE);
14277 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14278 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14280 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14281 /* make sure this other one finishes before killing it! */
14282 if(endingGame) { int count = 0;
14283 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14284 while(endingGame && count++ < 10) DoSleep(1);
14285 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14288 /* Kill off chess programs */
14289 if (first.pr != NoProc) {
14292 DoSleep( appData.delayBeforeQuit );
14293 SendToProgram("quit\n", &first);
14294 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14296 if (second.pr != NoProc) {
14297 DoSleep( appData.delayBeforeQuit );
14298 SendToProgram("quit\n", &second);
14299 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14301 if (first.isr != NULL) {
14302 RemoveInputSource(first.isr);
14304 if (second.isr != NULL) {
14305 RemoveInputSource(second.isr);
14308 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14309 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14311 ShutDownFrontEnd();
14316 PauseEngine (ChessProgramState *cps)
14318 SendToProgram("pause\n", cps);
14323 UnPauseEngine (ChessProgramState *cps)
14325 SendToProgram("resume\n", cps);
14332 if (appData.debugMode)
14333 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14337 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14339 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14340 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14341 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14343 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14344 HandleMachineMove(stashedInputMove, stalledEngine);
14345 stalledEngine = NULL;
14348 if (gameMode == MachinePlaysWhite ||
14349 gameMode == TwoMachinesPlay ||
14350 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14351 if(first.pause) UnPauseEngine(&first);
14352 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14353 if(second.pause) UnPauseEngine(&second);
14354 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14357 DisplayBothClocks();
14359 if (gameMode == PlayFromGameFile) {
14360 if (appData.timeDelay >= 0)
14361 AutoPlayGameLoop();
14362 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14363 Reset(FALSE, TRUE);
14364 SendToICS(ics_prefix);
14365 SendToICS("refresh\n");
14366 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14367 ForwardInner(forwardMostMove);
14369 pauseExamInvalid = FALSE;
14371 switch (gameMode) {
14375 pauseExamForwardMostMove = forwardMostMove;
14376 pauseExamInvalid = FALSE;
14379 case IcsPlayingWhite:
14380 case IcsPlayingBlack:
14384 case PlayFromGameFile:
14385 (void) StopLoadGameTimer();
14389 case BeginningOfGame:
14390 if (appData.icsActive) return;
14391 /* else fall through */
14392 case MachinePlaysWhite:
14393 case MachinePlaysBlack:
14394 case TwoMachinesPlay:
14395 if (forwardMostMove == 0)
14396 return; /* don't pause if no one has moved */
14397 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14398 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14399 if(onMove->pause) { // thinking engine can be paused
14400 PauseEngine(onMove); // do it
14401 if(onMove->other->pause) // pondering opponent can always be paused immediately
14402 PauseEngine(onMove->other);
14404 SendToProgram("easy\n", onMove->other);
14406 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14407 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14409 PauseEngine(&first);
14411 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14412 } else { // human on move, pause pondering by either method
14414 PauseEngine(&first);
14415 else if(appData.ponderNextMove)
14416 SendToProgram("easy\n", &first);
14419 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14429 EditCommentEvent ()
14431 char title[MSG_SIZ];
14433 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14434 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14436 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14437 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14438 parseList[currentMove - 1]);
14441 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14448 char *tags = PGNTags(&gameInfo);
14450 EditTagsPopUp(tags, NULL);
14457 if(second.analyzing) {
14458 SendToProgram("exit\n", &second);
14459 second.analyzing = FALSE;
14461 if (second.pr == NoProc) StartChessProgram(&second);
14462 InitChessProgram(&second, FALSE);
14463 FeedMovesToProgram(&second, currentMove);
14465 SendToProgram("analyze\n", &second);
14466 second.analyzing = TRUE;
14470 /* Toggle ShowThinking */
14472 ToggleShowThinking()
14474 appData.showThinking = !appData.showThinking;
14475 ShowThinkingEvent();
14479 AnalyzeModeEvent ()
14483 if (!first.analysisSupport) {
14484 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14485 DisplayError(buf, 0);
14488 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14489 if (appData.icsActive) {
14490 if (gameMode != IcsObserving) {
14491 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14492 DisplayError(buf, 0);
14494 if (appData.icsEngineAnalyze) {
14495 if (appData.debugMode)
14496 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14502 /* if enable, user wants to disable icsEngineAnalyze */
14503 if (appData.icsEngineAnalyze) {
14508 appData.icsEngineAnalyze = TRUE;
14509 if (appData.debugMode)
14510 fprintf(debugFP, "ICS engine analyze starting... \n");
14513 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14514 if (appData.noChessProgram || gameMode == AnalyzeMode)
14517 if (gameMode != AnalyzeFile) {
14518 if (!appData.icsEngineAnalyze) {
14520 if (gameMode != EditGame) return 0;
14522 if (!appData.showThinking) ToggleShowThinking();
14523 ResurrectChessProgram();
14524 SendToProgram("analyze\n", &first);
14525 first.analyzing = TRUE;
14526 /*first.maybeThinking = TRUE;*/
14527 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14528 EngineOutputPopUp();
14530 if (!appData.icsEngineAnalyze) {
14531 gameMode = AnalyzeMode;
14532 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14538 StartAnalysisClock();
14539 GetTimeMark(&lastNodeCountTime);
14545 AnalyzeFileEvent ()
14547 if (appData.noChessProgram || gameMode == AnalyzeFile)
14550 if (!first.analysisSupport) {
14552 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14553 DisplayError(buf, 0);
14557 if (gameMode != AnalyzeMode) {
14558 keepInfo = 1; // mere annotating should not alter PGN tags
14561 if (gameMode != EditGame) return;
14562 if (!appData.showThinking) ToggleShowThinking();
14563 ResurrectChessProgram();
14564 SendToProgram("analyze\n", &first);
14565 first.analyzing = TRUE;
14566 /*first.maybeThinking = TRUE;*/
14567 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14568 EngineOutputPopUp();
14570 gameMode = AnalyzeFile;
14574 StartAnalysisClock();
14575 GetTimeMark(&lastNodeCountTime);
14577 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14578 AnalysisPeriodicEvent(1);
14582 MachineWhiteEvent ()
14585 char *bookHit = NULL;
14587 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14591 if (gameMode == PlayFromGameFile ||
14592 gameMode == TwoMachinesPlay ||
14593 gameMode == Training ||
14594 gameMode == AnalyzeMode ||
14595 gameMode == EndOfGame)
14598 if (gameMode == EditPosition)
14599 EditPositionDone(TRUE);
14601 if (!WhiteOnMove(currentMove)) {
14602 DisplayError(_("It is not White's turn"), 0);
14606 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14609 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14610 gameMode == AnalyzeFile)
14613 ResurrectChessProgram(); /* in case it isn't running */
14614 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14615 gameMode = MachinePlaysWhite;
14618 gameMode = MachinePlaysWhite;
14622 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14624 if (first.sendName) {
14625 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14626 SendToProgram(buf, &first);
14628 if (first.sendTime) {
14629 if (first.useColors) {
14630 SendToProgram("black\n", &first); /*gnu kludge*/
14632 SendTimeRemaining(&first, TRUE);
14634 if (first.useColors) {
14635 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14637 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14638 SetMachineThinkingEnables();
14639 first.maybeThinking = TRUE;
14643 if (appData.autoFlipView && !flipView) {
14644 flipView = !flipView;
14645 DrawPosition(FALSE, NULL);
14646 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14649 if(bookHit) { // [HGM] book: simulate book reply
14650 static char bookMove[MSG_SIZ]; // a bit generous?
14652 programStats.nodes = programStats.depth = programStats.time =
14653 programStats.score = programStats.got_only_move = 0;
14654 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14656 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14657 strcat(bookMove, bookHit);
14658 HandleMachineMove(bookMove, &first);
14663 MachineBlackEvent ()
14666 char *bookHit = NULL;
14668 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14672 if (gameMode == PlayFromGameFile ||
14673 gameMode == TwoMachinesPlay ||
14674 gameMode == Training ||
14675 gameMode == AnalyzeMode ||
14676 gameMode == EndOfGame)
14679 if (gameMode == EditPosition)
14680 EditPositionDone(TRUE);
14682 if (WhiteOnMove(currentMove)) {
14683 DisplayError(_("It is not Black's turn"), 0);
14687 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14690 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14691 gameMode == AnalyzeFile)
14694 ResurrectChessProgram(); /* in case it isn't running */
14695 gameMode = MachinePlaysBlack;
14699 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14701 if (first.sendName) {
14702 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14703 SendToProgram(buf, &first);
14705 if (first.sendTime) {
14706 if (first.useColors) {
14707 SendToProgram("white\n", &first); /*gnu kludge*/
14709 SendTimeRemaining(&first, FALSE);
14711 if (first.useColors) {
14712 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14714 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14715 SetMachineThinkingEnables();
14716 first.maybeThinking = TRUE;
14719 if (appData.autoFlipView && flipView) {
14720 flipView = !flipView;
14721 DrawPosition(FALSE, NULL);
14722 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14724 if(bookHit) { // [HGM] book: simulate book reply
14725 static char bookMove[MSG_SIZ]; // a bit generous?
14727 programStats.nodes = programStats.depth = programStats.time =
14728 programStats.score = programStats.got_only_move = 0;
14729 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14731 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14732 strcat(bookMove, bookHit);
14733 HandleMachineMove(bookMove, &first);
14739 DisplayTwoMachinesTitle ()
14742 if (appData.matchGames > 0) {
14743 if(appData.tourneyFile[0]) {
14744 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14745 gameInfo.white, _("vs."), gameInfo.black,
14746 nextGame+1, appData.matchGames+1,
14747 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14749 if (first.twoMachinesColor[0] == 'w') {
14750 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14751 gameInfo.white, _("vs."), gameInfo.black,
14752 first.matchWins, second.matchWins,
14753 matchGame - 1 - (first.matchWins + second.matchWins));
14755 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14756 gameInfo.white, _("vs."), gameInfo.black,
14757 second.matchWins, first.matchWins,
14758 matchGame - 1 - (first.matchWins + second.matchWins));
14761 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14767 SettingsMenuIfReady ()
14769 if (second.lastPing != second.lastPong) {
14770 DisplayMessage("", _("Waiting for second chess program"));
14771 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14775 DisplayMessage("", "");
14776 SettingsPopUp(&second);
14780 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14783 if (cps->pr == NoProc) {
14784 StartChessProgram(cps);
14785 if (cps->protocolVersion == 1) {
14787 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14789 /* kludge: allow timeout for initial "feature" command */
14790 if(retry != TwoMachinesEventIfReady) FreezeUI();
14791 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14792 DisplayMessage("", buf);
14793 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14801 TwoMachinesEvent P((void))
14805 ChessProgramState *onmove;
14806 char *bookHit = NULL;
14807 static int stalling = 0;
14811 if (appData.noChessProgram) return;
14813 switch (gameMode) {
14814 case TwoMachinesPlay:
14816 case MachinePlaysWhite:
14817 case MachinePlaysBlack:
14818 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14819 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14823 case BeginningOfGame:
14824 case PlayFromGameFile:
14827 if (gameMode != EditGame) return;
14830 EditPositionDone(TRUE);
14841 // forwardMostMove = currentMove;
14842 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14843 startingEngine = TRUE;
14845 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14847 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14848 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14849 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14852 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14854 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14855 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14856 startingEngine = matchMode = FALSE;
14857 DisplayError("second engine does not play this", 0);
14858 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14859 EditGameEvent(); // switch back to EditGame mode
14864 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14865 SendToProgram("force\n", &second);
14867 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14870 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14871 if(appData.matchPause>10000 || appData.matchPause<10)
14872 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14873 wait = SubtractTimeMarks(&now, &pauseStart);
14874 if(wait < appData.matchPause) {
14875 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14878 // we are now committed to starting the game
14880 DisplayMessage("", "");
14881 if (startedFromSetupPosition) {
14882 SendBoard(&second, backwardMostMove);
14883 if (appData.debugMode) {
14884 fprintf(debugFP, "Two Machines\n");
14887 for (i = backwardMostMove; i < forwardMostMove; i++) {
14888 SendMoveToProgram(i, &second);
14891 gameMode = TwoMachinesPlay;
14892 pausing = startingEngine = FALSE;
14893 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14895 DisplayTwoMachinesTitle();
14897 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14902 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14903 SendToProgram(first.computerString, &first);
14904 if (first.sendName) {
14905 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14906 SendToProgram(buf, &first);
14908 SendToProgram(second.computerString, &second);
14909 if (second.sendName) {
14910 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14911 SendToProgram(buf, &second);
14915 if (!first.sendTime || !second.sendTime) {
14916 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14917 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14919 if (onmove->sendTime) {
14920 if (onmove->useColors) {
14921 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14923 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14925 if (onmove->useColors) {
14926 SendToProgram(onmove->twoMachinesColor, onmove);
14928 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14929 // SendToProgram("go\n", onmove);
14930 onmove->maybeThinking = TRUE;
14931 SetMachineThinkingEnables();
14935 if(bookHit) { // [HGM] book: simulate book reply
14936 static char bookMove[MSG_SIZ]; // a bit generous?
14938 programStats.nodes = programStats.depth = programStats.time =
14939 programStats.score = programStats.got_only_move = 0;
14940 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14942 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14943 strcat(bookMove, bookHit);
14944 savedMessage = bookMove; // args for deferred call
14945 savedState = onmove;
14946 ScheduleDelayedEvent(DeferredBookMove, 1);
14953 if (gameMode == Training) {
14954 SetTrainingModeOff();
14955 gameMode = PlayFromGameFile;
14956 DisplayMessage("", _("Training mode off"));
14958 gameMode = Training;
14959 animateTraining = appData.animate;
14961 /* make sure we are not already at the end of the game */
14962 if (currentMove < forwardMostMove) {
14963 SetTrainingModeOn();
14964 DisplayMessage("", _("Training mode on"));
14966 gameMode = PlayFromGameFile;
14967 DisplayError(_("Already at end of game"), 0);
14976 if (!appData.icsActive) return;
14977 switch (gameMode) {
14978 case IcsPlayingWhite:
14979 case IcsPlayingBlack:
14982 case BeginningOfGame:
14990 EditPositionDone(TRUE);
15003 gameMode = IcsIdle;
15013 switch (gameMode) {
15015 SetTrainingModeOff();
15017 case MachinePlaysWhite:
15018 case MachinePlaysBlack:
15019 case BeginningOfGame:
15020 SendToProgram("force\n", &first);
15021 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15022 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15024 abortEngineThink = TRUE;
15025 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15026 SendToProgram(buf, &first);
15027 DisplayMessage("Aborting engine think", "");
15031 SetUserThinkingEnables();
15033 case PlayFromGameFile:
15034 (void) StopLoadGameTimer();
15035 if (gameFileFP != NULL) {
15040 EditPositionDone(TRUE);
15045 SendToProgram("force\n", &first);
15047 case TwoMachinesPlay:
15048 GameEnds(EndOfFile, NULL, GE_PLAYER);
15049 ResurrectChessProgram();
15050 SetUserThinkingEnables();
15053 ResurrectChessProgram();
15055 case IcsPlayingBlack:
15056 case IcsPlayingWhite:
15057 DisplayError(_("Warning: You are still playing a game"), 0);
15060 DisplayError(_("Warning: You are still observing a game"), 0);
15063 DisplayError(_("Warning: You are still examining a game"), 0);
15074 first.offeredDraw = second.offeredDraw = 0;
15076 if (gameMode == PlayFromGameFile) {
15077 whiteTimeRemaining = timeRemaining[0][currentMove];
15078 blackTimeRemaining = timeRemaining[1][currentMove];
15082 if (gameMode == MachinePlaysWhite ||
15083 gameMode == MachinePlaysBlack ||
15084 gameMode == TwoMachinesPlay ||
15085 gameMode == EndOfGame) {
15086 i = forwardMostMove;
15087 while (i > currentMove) {
15088 SendToProgram("undo\n", &first);
15091 if(!adjustedClock) {
15092 whiteTimeRemaining = timeRemaining[0][currentMove];
15093 blackTimeRemaining = timeRemaining[1][currentMove];
15094 DisplayBothClocks();
15096 if (whiteFlag || blackFlag) {
15097 whiteFlag = blackFlag = 0;
15102 gameMode = EditGame;
15109 EditPositionEvent ()
15111 if (gameMode == EditPosition) {
15117 if (gameMode != EditGame) return;
15119 gameMode = EditPosition;
15122 if (currentMove > 0)
15123 CopyBoard(boards[0], boards[currentMove]);
15125 blackPlaysFirst = !WhiteOnMove(currentMove);
15127 currentMove = forwardMostMove = backwardMostMove = 0;
15128 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15130 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15136 /* [DM] icsEngineAnalyze - possible call from other functions */
15137 if (appData.icsEngineAnalyze) {
15138 appData.icsEngineAnalyze = FALSE;
15140 DisplayMessage("",_("Close ICS engine analyze..."));
15142 if (first.analysisSupport && first.analyzing) {
15143 SendToBoth("exit\n");
15144 first.analyzing = second.analyzing = FALSE;
15146 thinkOutput[0] = NULLCHAR;
15150 EditPositionDone (Boolean fakeRights)
15152 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15154 startedFromSetupPosition = TRUE;
15155 InitChessProgram(&first, FALSE);
15156 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15157 boards[0][EP_STATUS] = EP_NONE;
15158 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15159 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15160 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15161 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15162 } else boards[0][CASTLING][2] = NoRights;
15163 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15164 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15165 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15166 } else boards[0][CASTLING][5] = NoRights;
15167 if(gameInfo.variant == VariantSChess) {
15169 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15170 boards[0][VIRGIN][i] = 0;
15171 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15172 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15176 SendToProgram("force\n", &first);
15177 if (blackPlaysFirst) {
15178 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15179 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15180 currentMove = forwardMostMove = backwardMostMove = 1;
15181 CopyBoard(boards[1], boards[0]);
15183 currentMove = forwardMostMove = backwardMostMove = 0;
15185 SendBoard(&first, forwardMostMove);
15186 if (appData.debugMode) {
15187 fprintf(debugFP, "EditPosDone\n");
15190 DisplayMessage("", "");
15191 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15192 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15193 gameMode = EditGame;
15195 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15196 ClearHighlights(); /* [AS] */
15199 /* Pause for `ms' milliseconds */
15200 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15202 TimeDelay (long ms)
15209 } while (SubtractTimeMarks(&m2, &m1) < ms);
15212 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15214 SendMultiLineToICS (char *buf)
15216 char temp[MSG_SIZ+1], *p;
15223 strncpy(temp, buf, len);
15228 if (*p == '\n' || *p == '\r')
15233 strcat(temp, "\n");
15235 SendToPlayer(temp, strlen(temp));
15239 SetWhiteToPlayEvent ()
15241 if (gameMode == EditPosition) {
15242 blackPlaysFirst = FALSE;
15243 DisplayBothClocks(); /* works because currentMove is 0 */
15244 } else if (gameMode == IcsExamining) {
15245 SendToICS(ics_prefix);
15246 SendToICS("tomove white\n");
15251 SetBlackToPlayEvent ()
15253 if (gameMode == EditPosition) {
15254 blackPlaysFirst = TRUE;
15255 currentMove = 1; /* kludge */
15256 DisplayBothClocks();
15258 } else if (gameMode == IcsExamining) {
15259 SendToICS(ics_prefix);
15260 SendToICS("tomove black\n");
15265 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15268 ChessSquare piece = boards[0][y][x];
15269 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15270 static int lastVariant;
15272 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15274 switch (selection) {
15276 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15277 MarkTargetSquares(1);
15278 CopyBoard(currentBoard, boards[0]);
15279 CopyBoard(menuBoard, initialPosition);
15280 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15281 SendToICS(ics_prefix);
15282 SendToICS("bsetup clear\n");
15283 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15284 SendToICS(ics_prefix);
15285 SendToICS("clearboard\n");
15288 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15289 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15290 for (y = 0; y < BOARD_HEIGHT; y++) {
15291 if (gameMode == IcsExamining) {
15292 if (boards[currentMove][y][x] != EmptySquare) {
15293 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15297 } else if(boards[0][y][x] != DarkSquare) {
15298 if(boards[0][y][x] != p) nonEmpty++;
15299 boards[0][y][x] = p;
15303 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15305 for(r = 0; r < BOARD_HEIGHT; r++) {
15306 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15307 ChessSquare p = menuBoard[r][x];
15308 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15311 DisplayMessage("Clicking clock again restores position", "");
15312 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15313 if(!nonEmpty) { // asked to clear an empty board
15314 CopyBoard(boards[0], menuBoard);
15316 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15317 CopyBoard(boards[0], initialPosition);
15319 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15320 && !CompareBoards(nullBoard, erasedBoard)) {
15321 CopyBoard(boards[0], erasedBoard);
15323 CopyBoard(erasedBoard, currentBoard);
15327 if (gameMode == EditPosition) {
15328 DrawPosition(FALSE, boards[0]);
15333 SetWhiteToPlayEvent();
15337 SetBlackToPlayEvent();
15341 if (gameMode == IcsExamining) {
15342 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15343 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15346 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15347 if(x == BOARD_LEFT-2) {
15348 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15349 boards[0][y][1] = 0;
15351 if(x == BOARD_RGHT+1) {
15352 if(y >= gameInfo.holdingsSize) break;
15353 boards[0][y][BOARD_WIDTH-2] = 0;
15356 boards[0][y][x] = EmptySquare;
15357 DrawPosition(FALSE, boards[0]);
15362 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15363 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15364 selection = (ChessSquare) (PROMOTED piece);
15365 } else if(piece == EmptySquare) selection = WhiteSilver;
15366 else selection = (ChessSquare)((int)piece - 1);
15370 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15371 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15372 selection = (ChessSquare) (DEMOTED piece);
15373 } else if(piece == EmptySquare) selection = BlackSilver;
15374 else selection = (ChessSquare)((int)piece + 1);
15379 if(gameInfo.variant == VariantShatranj ||
15380 gameInfo.variant == VariantXiangqi ||
15381 gameInfo.variant == VariantCourier ||
15382 gameInfo.variant == VariantASEAN ||
15383 gameInfo.variant == VariantMakruk )
15384 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15389 if(gameInfo.variant == VariantXiangqi)
15390 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15391 if(gameInfo.variant == VariantKnightmate)
15392 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15395 if (gameMode == IcsExamining) {
15396 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15397 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15398 PieceToChar(selection), AAA + x, ONE + y);
15401 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15403 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15404 n = PieceToNumber(selection - BlackPawn);
15405 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15406 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15407 boards[0][BOARD_HEIGHT-1-n][1]++;
15409 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15410 n = PieceToNumber(selection);
15411 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15412 boards[0][n][BOARD_WIDTH-1] = selection;
15413 boards[0][n][BOARD_WIDTH-2]++;
15416 boards[0][y][x] = selection;
15417 DrawPosition(TRUE, boards[0]);
15419 fromX = fromY = -1;
15427 DropMenuEvent (ChessSquare selection, int x, int y)
15429 ChessMove moveType;
15431 switch (gameMode) {
15432 case IcsPlayingWhite:
15433 case MachinePlaysBlack:
15434 if (!WhiteOnMove(currentMove)) {
15435 DisplayMoveError(_("It is Black's turn"));
15438 moveType = WhiteDrop;
15440 case IcsPlayingBlack:
15441 case MachinePlaysWhite:
15442 if (WhiteOnMove(currentMove)) {
15443 DisplayMoveError(_("It is White's turn"));
15446 moveType = BlackDrop;
15449 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15455 if (moveType == BlackDrop && selection < BlackPawn) {
15456 selection = (ChessSquare) ((int) selection
15457 + (int) BlackPawn - (int) WhitePawn);
15459 if (boards[currentMove][y][x] != EmptySquare) {
15460 DisplayMoveError(_("That square is occupied"));
15464 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15470 /* Accept a pending offer of any kind from opponent */
15472 if (appData.icsActive) {
15473 SendToICS(ics_prefix);
15474 SendToICS("accept\n");
15475 } else if (cmailMsgLoaded) {
15476 if (currentMove == cmailOldMove &&
15477 commentList[cmailOldMove] != NULL &&
15478 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15479 "Black offers a draw" : "White offers a draw")) {
15481 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15482 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15484 DisplayError(_("There is no pending offer on this move"), 0);
15485 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15488 /* Not used for offers from chess program */
15495 /* Decline a pending offer of any kind from opponent */
15497 if (appData.icsActive) {
15498 SendToICS(ics_prefix);
15499 SendToICS("decline\n");
15500 } else if (cmailMsgLoaded) {
15501 if (currentMove == cmailOldMove &&
15502 commentList[cmailOldMove] != NULL &&
15503 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15504 "Black offers a draw" : "White offers a draw")) {
15506 AppendComment(cmailOldMove, "Draw declined", TRUE);
15507 DisplayComment(cmailOldMove - 1, "Draw declined");
15510 DisplayError(_("There is no pending offer on this move"), 0);
15513 /* Not used for offers from chess program */
15520 /* Issue ICS rematch command */
15521 if (appData.icsActive) {
15522 SendToICS(ics_prefix);
15523 SendToICS("rematch\n");
15530 /* Call your opponent's flag (claim a win on time) */
15531 if (appData.icsActive) {
15532 SendToICS(ics_prefix);
15533 SendToICS("flag\n");
15535 switch (gameMode) {
15538 case MachinePlaysWhite:
15541 GameEnds(GameIsDrawn, "Both players ran out of time",
15544 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15546 DisplayError(_("Your opponent is not out of time"), 0);
15549 case MachinePlaysBlack:
15552 GameEnds(GameIsDrawn, "Both players ran out of time",
15555 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15557 DisplayError(_("Your opponent is not out of time"), 0);
15565 ClockClick (int which)
15566 { // [HGM] code moved to back-end from winboard.c
15567 if(which) { // black clock
15568 if (gameMode == EditPosition || gameMode == IcsExamining) {
15569 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15570 SetBlackToPlayEvent();
15571 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15572 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15573 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15574 } else if (shiftKey) {
15575 AdjustClock(which, -1);
15576 } else if (gameMode == IcsPlayingWhite ||
15577 gameMode == MachinePlaysBlack) {
15580 } else { // white clock
15581 if (gameMode == EditPosition || gameMode == IcsExamining) {
15582 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15583 SetWhiteToPlayEvent();
15584 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15585 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15586 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15587 } else if (shiftKey) {
15588 AdjustClock(which, -1);
15589 } else if (gameMode == IcsPlayingBlack ||
15590 gameMode == MachinePlaysWhite) {
15599 /* Offer draw or accept pending draw offer from opponent */
15601 if (appData.icsActive) {
15602 /* Note: tournament rules require draw offers to be
15603 made after you make your move but before you punch
15604 your clock. Currently ICS doesn't let you do that;
15605 instead, you immediately punch your clock after making
15606 a move, but you can offer a draw at any time. */
15608 SendToICS(ics_prefix);
15609 SendToICS("draw\n");
15610 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15611 } else if (cmailMsgLoaded) {
15612 if (currentMove == cmailOldMove &&
15613 commentList[cmailOldMove] != NULL &&
15614 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15615 "Black offers a draw" : "White offers a draw")) {
15616 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15617 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15618 } else if (currentMove == cmailOldMove + 1) {
15619 char *offer = WhiteOnMove(cmailOldMove) ?
15620 "White offers a draw" : "Black offers a draw";
15621 AppendComment(currentMove, offer, TRUE);
15622 DisplayComment(currentMove - 1, offer);
15623 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15625 DisplayError(_("You must make your move before offering a draw"), 0);
15626 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15628 } else if (first.offeredDraw) {
15629 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15631 if (first.sendDrawOffers) {
15632 SendToProgram("draw\n", &first);
15633 userOfferedDraw = TRUE;
15641 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15643 if (appData.icsActive) {
15644 SendToICS(ics_prefix);
15645 SendToICS("adjourn\n");
15647 /* Currently GNU Chess doesn't offer or accept Adjourns */
15655 /* Offer Abort or accept pending Abort offer from opponent */
15657 if (appData.icsActive) {
15658 SendToICS(ics_prefix);
15659 SendToICS("abort\n");
15661 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15668 /* Resign. You can do this even if it's not your turn. */
15670 if (appData.icsActive) {
15671 SendToICS(ics_prefix);
15672 SendToICS("resign\n");
15674 switch (gameMode) {
15675 case MachinePlaysWhite:
15676 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15678 case MachinePlaysBlack:
15679 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15682 if (cmailMsgLoaded) {
15684 if (WhiteOnMove(cmailOldMove)) {
15685 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15687 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15689 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15700 StopObservingEvent ()
15702 /* Stop observing current games */
15703 SendToICS(ics_prefix);
15704 SendToICS("unobserve\n");
15708 StopExaminingEvent ()
15710 /* Stop observing current game */
15711 SendToICS(ics_prefix);
15712 SendToICS("unexamine\n");
15716 ForwardInner (int target)
15718 int limit; int oldSeekGraphUp = seekGraphUp;
15720 if (appData.debugMode)
15721 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15722 target, currentMove, forwardMostMove);
15724 if (gameMode == EditPosition)
15727 seekGraphUp = FALSE;
15728 MarkTargetSquares(1);
15729 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15731 if (gameMode == PlayFromGameFile && !pausing)
15734 if (gameMode == IcsExamining && pausing)
15735 limit = pauseExamForwardMostMove;
15737 limit = forwardMostMove;
15739 if (target > limit) target = limit;
15741 if (target > 0 && moveList[target - 1][0]) {
15742 int fromX, fromY, toX, toY;
15743 toX = moveList[target - 1][2] - AAA;
15744 toY = moveList[target - 1][3] - ONE;
15745 if (moveList[target - 1][1] == '@') {
15746 if (appData.highlightLastMove) {
15747 SetHighlights(-1, -1, toX, toY);
15750 int viaX = moveList[target - 1][5] - AAA;
15751 int viaY = moveList[target - 1][6] - ONE;
15752 fromX = moveList[target - 1][0] - AAA;
15753 fromY = moveList[target - 1][1] - ONE;
15754 if (target == currentMove + 1) {
15755 if(moveList[target - 1][4] == ';') { // multi-leg
15756 ChessSquare piece = boards[currentMove][viaY][viaX];
15757 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15758 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15759 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15760 boards[currentMove][viaY][viaX] = piece;
15762 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15764 if (appData.highlightLastMove) {
15765 SetHighlights(fromX, fromY, toX, toY);
15769 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15770 gameMode == Training || gameMode == PlayFromGameFile ||
15771 gameMode == AnalyzeFile) {
15772 while (currentMove < target) {
15773 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15774 SendMoveToProgram(currentMove++, &first);
15777 currentMove = target;
15780 if (gameMode == EditGame || gameMode == EndOfGame) {
15781 whiteTimeRemaining = timeRemaining[0][currentMove];
15782 blackTimeRemaining = timeRemaining[1][currentMove];
15784 DisplayBothClocks();
15785 DisplayMove(currentMove - 1);
15786 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15787 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15788 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15789 DisplayComment(currentMove - 1, commentList[currentMove]);
15791 ClearMap(); // [HGM] exclude: invalidate map
15798 if (gameMode == IcsExamining && !pausing) {
15799 SendToICS(ics_prefix);
15800 SendToICS("forward\n");
15802 ForwardInner(currentMove + 1);
15809 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15810 /* to optimze, we temporarily turn off analysis mode while we feed
15811 * the remaining moves to the engine. Otherwise we get analysis output
15814 if (first.analysisSupport) {
15815 SendToProgram("exit\nforce\n", &first);
15816 first.analyzing = FALSE;
15820 if (gameMode == IcsExamining && !pausing) {
15821 SendToICS(ics_prefix);
15822 SendToICS("forward 999999\n");
15824 ForwardInner(forwardMostMove);
15827 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15828 /* we have fed all the moves, so reactivate analysis mode */
15829 SendToProgram("analyze\n", &first);
15830 first.analyzing = TRUE;
15831 /*first.maybeThinking = TRUE;*/
15832 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15837 BackwardInner (int target)
15839 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15841 if (appData.debugMode)
15842 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15843 target, currentMove, forwardMostMove);
15845 if (gameMode == EditPosition) return;
15846 seekGraphUp = FALSE;
15847 MarkTargetSquares(1);
15848 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15849 if (currentMove <= backwardMostMove) {
15851 DrawPosition(full_redraw, boards[currentMove]);
15854 if (gameMode == PlayFromGameFile && !pausing)
15857 if (moveList[target][0]) {
15858 int fromX, fromY, toX, toY;
15859 toX = moveList[target][2] - AAA;
15860 toY = moveList[target][3] - ONE;
15861 if (moveList[target][1] == '@') {
15862 if (appData.highlightLastMove) {
15863 SetHighlights(-1, -1, toX, toY);
15866 fromX = moveList[target][0] - AAA;
15867 fromY = moveList[target][1] - ONE;
15868 if (target == currentMove - 1) {
15869 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15871 if (appData.highlightLastMove) {
15872 SetHighlights(fromX, fromY, toX, toY);
15876 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15877 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15878 while (currentMove > target) {
15879 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15880 // null move cannot be undone. Reload program with move history before it.
15882 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15883 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15885 SendBoard(&first, i);
15886 if(second.analyzing) SendBoard(&second, i);
15887 for(currentMove=i; currentMove<target; currentMove++) {
15888 SendMoveToProgram(currentMove, &first);
15889 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15893 SendToBoth("undo\n");
15897 currentMove = target;
15900 if (gameMode == EditGame || gameMode == EndOfGame) {
15901 whiteTimeRemaining = timeRemaining[0][currentMove];
15902 blackTimeRemaining = timeRemaining[1][currentMove];
15904 DisplayBothClocks();
15905 DisplayMove(currentMove - 1);
15906 DrawPosition(full_redraw, boards[currentMove]);
15907 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15908 // [HGM] PV info: routine tests if comment empty
15909 DisplayComment(currentMove - 1, commentList[currentMove]);
15910 ClearMap(); // [HGM] exclude: invalidate map
15916 if (gameMode == IcsExamining && !pausing) {
15917 SendToICS(ics_prefix);
15918 SendToICS("backward\n");
15920 BackwardInner(currentMove - 1);
15927 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15928 /* to optimize, we temporarily turn off analysis mode while we undo
15929 * all the moves. Otherwise we get analysis output after each undo.
15931 if (first.analysisSupport) {
15932 SendToProgram("exit\nforce\n", &first);
15933 first.analyzing = FALSE;
15937 if (gameMode == IcsExamining && !pausing) {
15938 SendToICS(ics_prefix);
15939 SendToICS("backward 999999\n");
15941 BackwardInner(backwardMostMove);
15944 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15945 /* we have fed all the moves, so reactivate analysis mode */
15946 SendToProgram("analyze\n", &first);
15947 first.analyzing = TRUE;
15948 /*first.maybeThinking = TRUE;*/
15949 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15956 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15957 if (to >= forwardMostMove) to = forwardMostMove;
15958 if (to <= backwardMostMove) to = backwardMostMove;
15959 if (to < currentMove) {
15967 RevertEvent (Boolean annotate)
15969 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15972 if (gameMode != IcsExamining) {
15973 DisplayError(_("You are not examining a game"), 0);
15977 DisplayError(_("You can't revert while pausing"), 0);
15980 SendToICS(ics_prefix);
15981 SendToICS("revert\n");
15985 RetractMoveEvent ()
15987 switch (gameMode) {
15988 case MachinePlaysWhite:
15989 case MachinePlaysBlack:
15990 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15991 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15994 if (forwardMostMove < 2) return;
15995 currentMove = forwardMostMove = forwardMostMove - 2;
15996 whiteTimeRemaining = timeRemaining[0][currentMove];
15997 blackTimeRemaining = timeRemaining[1][currentMove];
15998 DisplayBothClocks();
15999 DisplayMove(currentMove - 1);
16000 ClearHighlights();/*!! could figure this out*/
16001 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16002 SendToProgram("remove\n", &first);
16003 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16006 case BeginningOfGame:
16010 case IcsPlayingWhite:
16011 case IcsPlayingBlack:
16012 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16013 SendToICS(ics_prefix);
16014 SendToICS("takeback 2\n");
16016 SendToICS(ics_prefix);
16017 SendToICS("takeback 1\n");
16026 ChessProgramState *cps;
16028 switch (gameMode) {
16029 case MachinePlaysWhite:
16030 if (!WhiteOnMove(forwardMostMove)) {
16031 DisplayError(_("It is your turn"), 0);
16036 case MachinePlaysBlack:
16037 if (WhiteOnMove(forwardMostMove)) {
16038 DisplayError(_("It is your turn"), 0);
16043 case TwoMachinesPlay:
16044 if (WhiteOnMove(forwardMostMove) ==
16045 (first.twoMachinesColor[0] == 'w')) {
16051 case BeginningOfGame:
16055 SendToProgram("?\n", cps);
16059 TruncateGameEvent ()
16062 if (gameMode != EditGame) return;
16069 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16070 if (forwardMostMove > currentMove) {
16071 if (gameInfo.resultDetails != NULL) {
16072 free(gameInfo.resultDetails);
16073 gameInfo.resultDetails = NULL;
16074 gameInfo.result = GameUnfinished;
16076 forwardMostMove = currentMove;
16077 HistorySet(parseList, backwardMostMove, forwardMostMove,
16085 if (appData.noChessProgram) return;
16086 switch (gameMode) {
16087 case MachinePlaysWhite:
16088 if (WhiteOnMove(forwardMostMove)) {
16089 DisplayError(_("Wait until your turn."), 0);
16093 case BeginningOfGame:
16094 case MachinePlaysBlack:
16095 if (!WhiteOnMove(forwardMostMove)) {
16096 DisplayError(_("Wait until your turn."), 0);
16101 DisplayError(_("No hint available"), 0);
16104 SendToProgram("hint\n", &first);
16105 hintRequested = TRUE;
16109 SaveSelected (FILE *g, int dummy, char *dummy2)
16111 ListGame * lg = (ListGame *) gameList.head;
16115 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16116 DisplayError(_("Game list not loaded or empty"), 0);
16120 creatingBook = TRUE; // suppresses stuff during load game
16122 /* Get list size */
16123 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16124 if(lg->position >= 0) { // selected?
16125 LoadGame(f, nItem, "", TRUE);
16126 SaveGamePGN2(g); // leaves g open
16129 lg = (ListGame *) lg->node.succ;
16133 creatingBook = FALSE;
16141 ListGame * lg = (ListGame *) gameList.head;
16144 static int secondTime = FALSE;
16146 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16147 DisplayError(_("Game list not loaded or empty"), 0);
16151 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16154 DisplayNote(_("Book file exists! Try again for overwrite."));
16158 creatingBook = TRUE;
16159 secondTime = FALSE;
16161 /* Get list size */
16162 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16163 if(lg->position >= 0) {
16164 LoadGame(f, nItem, "", TRUE);
16165 AddGameToBook(TRUE);
16168 lg = (ListGame *) lg->node.succ;
16171 creatingBook = FALSE;
16178 if (appData.noChessProgram) return;
16179 switch (gameMode) {
16180 case MachinePlaysWhite:
16181 if (WhiteOnMove(forwardMostMove)) {
16182 DisplayError(_("Wait until your turn."), 0);
16186 case BeginningOfGame:
16187 case MachinePlaysBlack:
16188 if (!WhiteOnMove(forwardMostMove)) {
16189 DisplayError(_("Wait until your turn."), 0);
16194 EditPositionDone(TRUE);
16196 case TwoMachinesPlay:
16201 SendToProgram("bk\n", &first);
16202 bookOutput[0] = NULLCHAR;
16203 bookRequested = TRUE;
16209 char *tags = PGNTags(&gameInfo);
16210 TagsPopUp(tags, CmailMsg());
16214 /* end button procedures */
16217 PrintPosition (FILE *fp, int move)
16221 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16222 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16223 char c = PieceToChar(boards[move][i][j]);
16224 fputc(c == 'x' ? '.' : c, fp);
16225 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16228 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16229 fprintf(fp, "white to play\n");
16231 fprintf(fp, "black to play\n");
16235 PrintOpponents (FILE *fp)
16237 if (gameInfo.white != NULL) {
16238 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16244 /* Find last component of program's own name, using some heuristics */
16246 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16249 int local = (strcmp(host, "localhost") == 0);
16250 while (!local && (p = strchr(prog, ';')) != NULL) {
16252 while (*p == ' ') p++;
16255 if (*prog == '"' || *prog == '\'') {
16256 q = strchr(prog + 1, *prog);
16258 q = strchr(prog, ' ');
16260 if (q == NULL) q = prog + strlen(prog);
16262 while (p >= prog && *p != '/' && *p != '\\') p--;
16264 if(p == prog && *p == '"') p++;
16266 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16267 memcpy(buf, p, q - p);
16268 buf[q - p] = NULLCHAR;
16276 TimeControlTagValue ()
16279 if (!appData.clockMode) {
16280 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16281 } else if (movesPerSession > 0) {
16282 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16283 } else if (timeIncrement == 0) {
16284 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16286 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16288 return StrSave(buf);
16294 /* This routine is used only for certain modes */
16295 VariantClass v = gameInfo.variant;
16296 ChessMove r = GameUnfinished;
16299 if(keepInfo) return;
16301 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16302 r = gameInfo.result;
16303 p = gameInfo.resultDetails;
16304 gameInfo.resultDetails = NULL;
16306 ClearGameInfo(&gameInfo);
16307 gameInfo.variant = v;
16309 switch (gameMode) {
16310 case MachinePlaysWhite:
16311 gameInfo.event = StrSave( appData.pgnEventHeader );
16312 gameInfo.site = StrSave(HostName());
16313 gameInfo.date = PGNDate();
16314 gameInfo.round = StrSave("-");
16315 gameInfo.white = StrSave(first.tidy);
16316 gameInfo.black = StrSave(UserName());
16317 gameInfo.timeControl = TimeControlTagValue();
16320 case MachinePlaysBlack:
16321 gameInfo.event = StrSave( appData.pgnEventHeader );
16322 gameInfo.site = StrSave(HostName());
16323 gameInfo.date = PGNDate();
16324 gameInfo.round = StrSave("-");
16325 gameInfo.white = StrSave(UserName());
16326 gameInfo.black = StrSave(first.tidy);
16327 gameInfo.timeControl = TimeControlTagValue();
16330 case TwoMachinesPlay:
16331 gameInfo.event = StrSave( appData.pgnEventHeader );
16332 gameInfo.site = StrSave(HostName());
16333 gameInfo.date = PGNDate();
16336 snprintf(buf, MSG_SIZ, "%d", roundNr);
16337 gameInfo.round = StrSave(buf);
16339 gameInfo.round = StrSave("-");
16341 if (first.twoMachinesColor[0] == 'w') {
16342 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16343 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16345 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16346 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16348 gameInfo.timeControl = TimeControlTagValue();
16352 gameInfo.event = StrSave("Edited game");
16353 gameInfo.site = StrSave(HostName());
16354 gameInfo.date = PGNDate();
16355 gameInfo.round = StrSave("-");
16356 gameInfo.white = StrSave("-");
16357 gameInfo.black = StrSave("-");
16358 gameInfo.result = r;
16359 gameInfo.resultDetails = p;
16363 gameInfo.event = StrSave("Edited position");
16364 gameInfo.site = StrSave(HostName());
16365 gameInfo.date = PGNDate();
16366 gameInfo.round = StrSave("-");
16367 gameInfo.white = StrSave("-");
16368 gameInfo.black = StrSave("-");
16371 case IcsPlayingWhite:
16372 case IcsPlayingBlack:
16377 case PlayFromGameFile:
16378 gameInfo.event = StrSave("Game from non-PGN file");
16379 gameInfo.site = StrSave(HostName());
16380 gameInfo.date = PGNDate();
16381 gameInfo.round = StrSave("-");
16382 gameInfo.white = StrSave("?");
16383 gameInfo.black = StrSave("?");
16392 ReplaceComment (int index, char *text)
16398 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16399 pvInfoList[index-1].depth == len &&
16400 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16401 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16402 while (*text == '\n') text++;
16403 len = strlen(text);
16404 while (len > 0 && text[len - 1] == '\n') len--;
16406 if (commentList[index] != NULL)
16407 free(commentList[index]);
16410 commentList[index] = NULL;
16413 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16414 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16415 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16416 commentList[index] = (char *) malloc(len + 2);
16417 strncpy(commentList[index], text, len);
16418 commentList[index][len] = '\n';
16419 commentList[index][len + 1] = NULLCHAR;
16421 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16423 commentList[index] = (char *) malloc(len + 7);
16424 safeStrCpy(commentList[index], "{\n", 3);
16425 safeStrCpy(commentList[index]+2, text, len+1);
16426 commentList[index][len+2] = NULLCHAR;
16427 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16428 strcat(commentList[index], "\n}\n");
16433 CrushCRs (char *text)
16441 if (ch == '\r') continue;
16443 } while (ch != '\0');
16447 AppendComment (int index, char *text, Boolean addBraces)
16448 /* addBraces tells if we should add {} */
16453 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16454 if(addBraces == 3) addBraces = 0; else // force appending literally
16455 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16458 while (*text == '\n') text++;
16459 len = strlen(text);
16460 while (len > 0 && text[len - 1] == '\n') len--;
16461 text[len] = NULLCHAR;
16463 if (len == 0) return;
16465 if (commentList[index] != NULL) {
16466 Boolean addClosingBrace = addBraces;
16467 old = commentList[index];
16468 oldlen = strlen(old);
16469 while(commentList[index][oldlen-1] == '\n')
16470 commentList[index][--oldlen] = NULLCHAR;
16471 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16472 safeStrCpy(commentList[index], old, oldlen + len + 6);
16474 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16475 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16476 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16477 while (*text == '\n') { text++; len--; }
16478 commentList[index][--oldlen] = NULLCHAR;
16480 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16481 else strcat(commentList[index], "\n");
16482 strcat(commentList[index], text);
16483 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16484 else strcat(commentList[index], "\n");
16486 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16488 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16489 else commentList[index][0] = NULLCHAR;
16490 strcat(commentList[index], text);
16491 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16492 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16497 FindStr (char * text, char * sub_text)
16499 char * result = strstr( text, sub_text );
16501 if( result != NULL ) {
16502 result += strlen( sub_text );
16508 /* [AS] Try to extract PV info from PGN comment */
16509 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16511 GetInfoFromComment (int index, char * text)
16513 char * sep = text, *p;
16515 if( text != NULL && index > 0 ) {
16518 int time = -1, sec = 0, deci;
16519 char * s_eval = FindStr( text, "[%eval " );
16520 char * s_emt = FindStr( text, "[%emt " );
16522 if( s_eval != NULL || s_emt != NULL ) {
16524 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16529 if( s_eval != NULL ) {
16530 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16534 if( delim != ']' ) {
16539 if( s_emt != NULL ) {
16544 /* We expect something like: [+|-]nnn.nn/dd */
16547 if(*text != '{') return text; // [HGM] braces: must be normal comment
16549 sep = strchr( text, '/' );
16550 if( sep == NULL || sep < (text+4) ) {
16555 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16556 if(p[1] == '(') { // comment starts with PV
16557 p = strchr(p, ')'); // locate end of PV
16558 if(p == NULL || sep < p+5) return text;
16559 // at this point we have something like "{(.*) +0.23/6 ..."
16560 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16561 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16562 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16564 time = -1; sec = -1; deci = -1;
16565 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16566 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16567 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16568 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16572 if( score_lo < 0 || score_lo >= 100 ) {
16576 if(sec >= 0) time = 600*time + 10*sec; else
16577 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16579 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16581 /* [HGM] PV time: now locate end of PV info */
16582 while( *++sep >= '0' && *sep <= '9'); // strip depth
16584 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16586 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16588 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16589 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16600 pvInfoList[index-1].depth = depth;
16601 pvInfoList[index-1].score = score;
16602 pvInfoList[index-1].time = 10*time; // centi-sec
16603 if(*sep == '}') *sep = 0; else *--sep = '{';
16604 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16610 SendToProgram (char *message, ChessProgramState *cps)
16612 int count, outCount, error;
16615 if (cps->pr == NoProc) return;
16618 if (appData.debugMode) {
16621 fprintf(debugFP, "%ld >%-6s: %s",
16622 SubtractTimeMarks(&now, &programStartTime),
16623 cps->which, message);
16625 fprintf(serverFP, "%ld >%-6s: %s",
16626 SubtractTimeMarks(&now, &programStartTime),
16627 cps->which, message), fflush(serverFP);
16630 count = strlen(message);
16631 outCount = OutputToProcess(cps->pr, message, count, &error);
16632 if (outCount < count && !exiting
16633 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16634 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16635 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16636 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16637 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16638 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16639 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16640 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16642 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16643 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16644 gameInfo.result = res;
16646 gameInfo.resultDetails = StrSave(buf);
16648 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16649 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16654 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16658 ChessProgramState *cps = (ChessProgramState *)closure;
16660 if (isr != cps->isr) return; /* Killed intentionally */
16663 RemoveInputSource(cps->isr);
16664 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16665 _(cps->which), cps->program);
16666 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16667 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16668 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16669 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16670 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16671 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16673 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16674 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16675 gameInfo.result = res;
16677 gameInfo.resultDetails = StrSave(buf);
16679 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16680 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16682 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16683 _(cps->which), cps->program);
16684 RemoveInputSource(cps->isr);
16686 /* [AS] Program is misbehaving badly... kill it */
16687 if( count == -2 ) {
16688 DestroyChildProcess( cps->pr, 9 );
16692 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16697 if ((end_str = strchr(message, '\r')) != NULL)
16698 *end_str = NULLCHAR;
16699 if ((end_str = strchr(message, '\n')) != NULL)
16700 *end_str = NULLCHAR;
16702 if (appData.debugMode) {
16703 TimeMark now; int print = 1;
16704 char *quote = ""; char c; int i;
16706 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16707 char start = message[0];
16708 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16709 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16710 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16711 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16712 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16713 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16714 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16715 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16716 sscanf(message, "hint: %c", &c)!=1 &&
16717 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16718 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16719 print = (appData.engineComments >= 2);
16721 message[0] = start; // restore original message
16725 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16726 SubtractTimeMarks(&now, &programStartTime), cps->which,
16730 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16731 SubtractTimeMarks(&now, &programStartTime), cps->which,
16733 message), fflush(serverFP);
16737 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16738 if (appData.icsEngineAnalyze) {
16739 if (strstr(message, "whisper") != NULL ||
16740 strstr(message, "kibitz") != NULL ||
16741 strstr(message, "tellics") != NULL) return;
16744 HandleMachineMove(message, cps);
16749 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16754 if( timeControl_2 > 0 ) {
16755 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16756 tc = timeControl_2;
16759 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16760 inc /= cps->timeOdds;
16761 st /= cps->timeOdds;
16763 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16766 /* Set exact time per move, normally using st command */
16767 if (cps->stKludge) {
16768 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16770 if (seconds == 0) {
16771 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16773 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16776 snprintf(buf, MSG_SIZ, "st %d\n", st);
16779 /* Set conventional or incremental time control, using level command */
16780 if (seconds == 0) {
16781 /* Note old gnuchess bug -- minutes:seconds used to not work.
16782 Fixed in later versions, but still avoid :seconds
16783 when seconds is 0. */
16784 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16786 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16787 seconds, inc/1000.);
16790 SendToProgram(buf, cps);
16792 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16793 /* Orthogonally, limit search to given depth */
16795 if (cps->sdKludge) {
16796 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16798 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16800 SendToProgram(buf, cps);
16803 if(cps->nps >= 0) { /* [HGM] nps */
16804 if(cps->supportsNPS == FALSE)
16805 cps->nps = -1; // don't use if engine explicitly says not supported!
16807 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16808 SendToProgram(buf, cps);
16813 ChessProgramState *
16815 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16817 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16818 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16824 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16826 char message[MSG_SIZ];
16829 /* Note: this routine must be called when the clocks are stopped
16830 or when they have *just* been set or switched; otherwise
16831 it will be off by the time since the current tick started.
16833 if (machineWhite) {
16834 time = whiteTimeRemaining / 10;
16835 otime = blackTimeRemaining / 10;
16837 time = blackTimeRemaining / 10;
16838 otime = whiteTimeRemaining / 10;
16840 /* [HGM] translate opponent's time by time-odds factor */
16841 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16843 if (time <= 0) time = 1;
16844 if (otime <= 0) otime = 1;
16846 snprintf(message, MSG_SIZ, "time %ld\n", time);
16847 SendToProgram(message, cps);
16849 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16850 SendToProgram(message, cps);
16854 EngineDefinedVariant (ChessProgramState *cps, int n)
16855 { // return name of n-th unknown variant that engine supports
16856 static char buf[MSG_SIZ];
16857 char *p, *s = cps->variants;
16858 if(!s) return NULL;
16859 do { // parse string from variants feature
16861 p = strchr(s, ',');
16862 if(p) *p = NULLCHAR;
16863 v = StringToVariant(s);
16864 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16865 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16866 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16867 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16868 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16869 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16870 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16873 if(n < 0) return buf;
16879 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16882 int len = strlen(name);
16885 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16887 sscanf(*p, "%d", &val);
16889 while (**p && **p != ' ')
16891 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16892 SendToProgram(buf, cps);
16899 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16902 int len = strlen(name);
16903 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16905 sscanf(*p, "%d", loc);
16906 while (**p && **p != ' ') (*p)++;
16907 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16908 SendToProgram(buf, cps);
16915 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16918 int len = strlen(name);
16919 if (strncmp((*p), name, len) == 0
16920 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16922 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16923 sscanf(*p, "%[^\"]", *loc);
16924 while (**p && **p != '\"') (*p)++;
16925 if (**p == '\"') (*p)++;
16926 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16927 SendToProgram(buf, cps);
16934 ParseOption (Option *opt, ChessProgramState *cps)
16935 // [HGM] options: process the string that defines an engine option, and determine
16936 // name, type, default value, and allowed value range
16938 char *p, *q, buf[MSG_SIZ];
16939 int n, min = (-1)<<31, max = 1<<31, def;
16941 if(p = strstr(opt->name, " -spin ")) {
16942 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16943 if(max < min) max = min; // enforce consistency
16944 if(def < min) def = min;
16945 if(def > max) def = max;
16950 } else if((p = strstr(opt->name, " -slider "))) {
16951 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16952 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16953 if(max < min) max = min; // enforce consistency
16954 if(def < min) def = min;
16955 if(def > max) def = max;
16959 opt->type = Spin; // Slider;
16960 } else if((p = strstr(opt->name, " -string "))) {
16961 opt->textValue = p+9;
16962 opt->type = TextBox;
16963 } else if((p = strstr(opt->name, " -file "))) {
16964 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16965 opt->textValue = p+7;
16966 opt->type = FileName; // FileName;
16967 } else if((p = strstr(opt->name, " -path "))) {
16968 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16969 opt->textValue = p+7;
16970 opt->type = PathName; // PathName;
16971 } else if(p = strstr(opt->name, " -check ")) {
16972 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16973 opt->value = (def != 0);
16974 opt->type = CheckBox;
16975 } else if(p = strstr(opt->name, " -combo ")) {
16976 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16977 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16978 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16979 opt->value = n = 0;
16980 while(q = StrStr(q, " /// ")) {
16981 n++; *q = 0; // count choices, and null-terminate each of them
16983 if(*q == '*') { // remember default, which is marked with * prefix
16987 cps->comboList[cps->comboCnt++] = q;
16989 cps->comboList[cps->comboCnt++] = NULL;
16991 opt->type = ComboBox;
16992 } else if(p = strstr(opt->name, " -button")) {
16993 opt->type = Button;
16994 } else if(p = strstr(opt->name, " -save")) {
16995 opt->type = SaveButton;
16996 } else return FALSE;
16997 *p = 0; // terminate option name
16998 // now look if the command-line options define a setting for this engine option.
16999 if(cps->optionSettings && cps->optionSettings[0])
17000 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17001 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17002 snprintf(buf, MSG_SIZ, "option %s", p);
17003 if(p = strstr(buf, ",")) *p = 0;
17004 if(q = strchr(buf, '=')) switch(opt->type) {
17006 for(n=0; n<opt->max; n++)
17007 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17010 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17014 opt->value = atoi(q+1);
17019 SendToProgram(buf, cps);
17025 FeatureDone (ChessProgramState *cps, int val)
17027 DelayedEventCallback cb = GetDelayedEvent();
17028 if ((cb == InitBackEnd3 && cps == &first) ||
17029 (cb == SettingsMenuIfReady && cps == &second) ||
17030 (cb == LoadEngine) ||
17031 (cb == TwoMachinesEventIfReady)) {
17032 CancelDelayedEvent();
17033 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17035 cps->initDone = val;
17036 if(val) cps->reload = FALSE;
17039 /* Parse feature command from engine */
17041 ParseFeatures (char *args, ChessProgramState *cps)
17049 while (*p == ' ') p++;
17050 if (*p == NULLCHAR) return;
17052 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17053 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17054 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17055 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17056 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17057 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17058 if (BoolFeature(&p, "reuse", &val, cps)) {
17059 /* Engine can disable reuse, but can't enable it if user said no */
17060 if (!val) cps->reuse = FALSE;
17063 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17064 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17065 if (gameMode == TwoMachinesPlay) {
17066 DisplayTwoMachinesTitle();
17072 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17073 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17074 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17075 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17076 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17077 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17078 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17079 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17080 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17081 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17082 if (IntFeature(&p, "done", &val, cps)) {
17083 FeatureDone(cps, val);
17086 /* Added by Tord: */
17087 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17088 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17089 /* End of additions by Tord */
17091 /* [HGM] added features: */
17092 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17093 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17094 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17095 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17096 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17097 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17098 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17099 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17100 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17101 FREE(cps->option[cps->nrOptions].name);
17102 cps->option[cps->nrOptions].name = q; q = NULL;
17103 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17104 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17105 SendToProgram(buf, cps);
17108 if(cps->nrOptions >= MAX_OPTIONS) {
17110 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17111 DisplayError(buf, 0);
17115 /* End of additions by HGM */
17117 /* unknown feature: complain and skip */
17119 while (*q && *q != '=') q++;
17120 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17121 SendToProgram(buf, cps);
17127 while (*p && *p != '\"') p++;
17128 if (*p == '\"') p++;
17130 while (*p && *p != ' ') p++;
17138 PeriodicUpdatesEvent (int newState)
17140 if (newState == appData.periodicUpdates)
17143 appData.periodicUpdates=newState;
17145 /* Display type changes, so update it now */
17146 // DisplayAnalysis();
17148 /* Get the ball rolling again... */
17150 AnalysisPeriodicEvent(1);
17151 StartAnalysisClock();
17156 PonderNextMoveEvent (int newState)
17158 if (newState == appData.ponderNextMove) return;
17159 if (gameMode == EditPosition) EditPositionDone(TRUE);
17161 SendToProgram("hard\n", &first);
17162 if (gameMode == TwoMachinesPlay) {
17163 SendToProgram("hard\n", &second);
17166 SendToProgram("easy\n", &first);
17167 thinkOutput[0] = NULLCHAR;
17168 if (gameMode == TwoMachinesPlay) {
17169 SendToProgram("easy\n", &second);
17172 appData.ponderNextMove = newState;
17176 NewSettingEvent (int option, int *feature, char *command, int value)
17180 if (gameMode == EditPosition) EditPositionDone(TRUE);
17181 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17182 if(feature == NULL || *feature) SendToProgram(buf, &first);
17183 if (gameMode == TwoMachinesPlay) {
17184 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17189 ShowThinkingEvent ()
17190 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17192 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17193 int newState = appData.showThinking
17194 // [HGM] thinking: other features now need thinking output as well
17195 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17197 if (oldState == newState) return;
17198 oldState = newState;
17199 if (gameMode == EditPosition) EditPositionDone(TRUE);
17201 SendToProgram("post\n", &first);
17202 if (gameMode == TwoMachinesPlay) {
17203 SendToProgram("post\n", &second);
17206 SendToProgram("nopost\n", &first);
17207 thinkOutput[0] = NULLCHAR;
17208 if (gameMode == TwoMachinesPlay) {
17209 SendToProgram("nopost\n", &second);
17212 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17216 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17218 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17219 if (pr == NoProc) return;
17220 AskQuestion(title, question, replyPrefix, pr);
17224 TypeInEvent (char firstChar)
17226 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17227 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17228 gameMode == AnalyzeMode || gameMode == EditGame ||
17229 gameMode == EditPosition || gameMode == IcsExamining ||
17230 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17231 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17232 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17233 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17234 gameMode == Training) PopUpMoveDialog(firstChar);
17238 TypeInDoneEvent (char *move)
17241 int n, fromX, fromY, toX, toY;
17243 ChessMove moveType;
17246 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17247 EditPositionPasteFEN(move);
17250 // [HGM] movenum: allow move number to be typed in any mode
17251 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17255 // undocumented kludge: allow command-line option to be typed in!
17256 // (potentially fatal, and does not implement the effect of the option.)
17257 // should only be used for options that are values on which future decisions will be made,
17258 // and definitely not on options that would be used during initialization.
17259 if(strstr(move, "!!! -") == move) {
17260 ParseArgsFromString(move+4);
17264 if (gameMode != EditGame && currentMove != forwardMostMove &&
17265 gameMode != Training) {
17266 DisplayMoveError(_("Displayed move is not current"));
17268 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17269 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17270 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17271 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17272 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17273 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17275 DisplayMoveError(_("Could not parse move"));
17281 DisplayMove (int moveNumber)
17283 char message[MSG_SIZ];
17285 char cpThinkOutput[MSG_SIZ];
17287 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17289 if (moveNumber == forwardMostMove - 1 ||
17290 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17292 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17294 if (strchr(cpThinkOutput, '\n')) {
17295 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17298 *cpThinkOutput = NULLCHAR;
17301 /* [AS] Hide thinking from human user */
17302 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17303 *cpThinkOutput = NULLCHAR;
17304 if( thinkOutput[0] != NULLCHAR ) {
17307 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17308 cpThinkOutput[i] = '.';
17310 cpThinkOutput[i] = NULLCHAR;
17311 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17315 if (moveNumber == forwardMostMove - 1 &&
17316 gameInfo.resultDetails != NULL) {
17317 if (gameInfo.resultDetails[0] == NULLCHAR) {
17318 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17320 snprintf(res, MSG_SIZ, " {%s} %s",
17321 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17327 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17328 DisplayMessage(res, cpThinkOutput);
17330 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17331 WhiteOnMove(moveNumber) ? " " : ".. ",
17332 parseList[moveNumber], res);
17333 DisplayMessage(message, cpThinkOutput);
17338 DisplayComment (int moveNumber, char *text)
17340 char title[MSG_SIZ];
17342 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17343 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17345 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17346 WhiteOnMove(moveNumber) ? " " : ".. ",
17347 parseList[moveNumber]);
17349 if (text != NULL && (appData.autoDisplayComment || commentUp))
17350 CommentPopUp(title, text);
17353 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17354 * might be busy thinking or pondering. It can be omitted if your
17355 * gnuchess is configured to stop thinking immediately on any user
17356 * input. However, that gnuchess feature depends on the FIONREAD
17357 * ioctl, which does not work properly on some flavors of Unix.
17360 Attention (ChessProgramState *cps)
17363 if (!cps->useSigint) return;
17364 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17365 switch (gameMode) {
17366 case MachinePlaysWhite:
17367 case MachinePlaysBlack:
17368 case TwoMachinesPlay:
17369 case IcsPlayingWhite:
17370 case IcsPlayingBlack:
17373 /* Skip if we know it isn't thinking */
17374 if (!cps->maybeThinking) return;
17375 if (appData.debugMode)
17376 fprintf(debugFP, "Interrupting %s\n", cps->which);
17377 InterruptChildProcess(cps->pr);
17378 cps->maybeThinking = FALSE;
17383 #endif /*ATTENTION*/
17389 if (whiteTimeRemaining <= 0) {
17392 if (appData.icsActive) {
17393 if (appData.autoCallFlag &&
17394 gameMode == IcsPlayingBlack && !blackFlag) {
17395 SendToICS(ics_prefix);
17396 SendToICS("flag\n");
17400 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17402 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17403 if (appData.autoCallFlag) {
17404 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17411 if (blackTimeRemaining <= 0) {
17414 if (appData.icsActive) {
17415 if (appData.autoCallFlag &&
17416 gameMode == IcsPlayingWhite && !whiteFlag) {
17417 SendToICS(ics_prefix);
17418 SendToICS("flag\n");
17422 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17424 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17425 if (appData.autoCallFlag) {
17426 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17437 CheckTimeControl ()
17439 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17440 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17443 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17445 if ( !WhiteOnMove(forwardMostMove) ) {
17446 /* White made time control */
17447 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17448 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17449 /* [HGM] time odds: correct new time quota for time odds! */
17450 / WhitePlayer()->timeOdds;
17451 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17453 lastBlack -= blackTimeRemaining;
17454 /* Black made time control */
17455 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17456 / WhitePlayer()->other->timeOdds;
17457 lastWhite = whiteTimeRemaining;
17462 DisplayBothClocks ()
17464 int wom = gameMode == EditPosition ?
17465 !blackPlaysFirst : WhiteOnMove(currentMove);
17466 DisplayWhiteClock(whiteTimeRemaining, wom);
17467 DisplayBlackClock(blackTimeRemaining, !wom);
17471 /* Timekeeping seems to be a portability nightmare. I think everyone
17472 has ftime(), but I'm really not sure, so I'm including some ifdefs
17473 to use other calls if you don't. Clocks will be less accurate if
17474 you have neither ftime nor gettimeofday.
17477 /* VS 2008 requires the #include outside of the function */
17478 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17479 #include <sys/timeb.h>
17482 /* Get the current time as a TimeMark */
17484 GetTimeMark (TimeMark *tm)
17486 #if HAVE_GETTIMEOFDAY
17488 struct timeval timeVal;
17489 struct timezone timeZone;
17491 gettimeofday(&timeVal, &timeZone);
17492 tm->sec = (long) timeVal.tv_sec;
17493 tm->ms = (int) (timeVal.tv_usec / 1000L);
17495 #else /*!HAVE_GETTIMEOFDAY*/
17498 // include <sys/timeb.h> / moved to just above start of function
17499 struct timeb timeB;
17502 tm->sec = (long) timeB.time;
17503 tm->ms = (int) timeB.millitm;
17505 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17506 tm->sec = (long) time(NULL);
17512 /* Return the difference in milliseconds between two
17513 time marks. We assume the difference will fit in a long!
17516 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17518 return 1000L*(tm2->sec - tm1->sec) +
17519 (long) (tm2->ms - tm1->ms);
17524 * Code to manage the game clocks.
17526 * In tournament play, black starts the clock and then white makes a move.
17527 * We give the human user a slight advantage if he is playing white---the
17528 * clocks don't run until he makes his first move, so it takes zero time.
17529 * Also, we don't account for network lag, so we could get out of sync
17530 * with GNU Chess's clock -- but then, referees are always right.
17533 static TimeMark tickStartTM;
17534 static long intendedTickLength;
17537 NextTickLength (long timeRemaining)
17539 long nominalTickLength, nextTickLength;
17541 if (timeRemaining > 0L && timeRemaining <= 10000L)
17542 nominalTickLength = 100L;
17544 nominalTickLength = 1000L;
17545 nextTickLength = timeRemaining % nominalTickLength;
17546 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17548 return nextTickLength;
17551 /* Adjust clock one minute up or down */
17553 AdjustClock (Boolean which, int dir)
17555 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17556 if(which) blackTimeRemaining += 60000*dir;
17557 else whiteTimeRemaining += 60000*dir;
17558 DisplayBothClocks();
17559 adjustedClock = TRUE;
17562 /* Stop clocks and reset to a fresh time control */
17566 (void) StopClockTimer();
17567 if (appData.icsActive) {
17568 whiteTimeRemaining = blackTimeRemaining = 0;
17569 } else if (searchTime) {
17570 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17571 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17572 } else { /* [HGM] correct new time quote for time odds */
17573 whiteTC = blackTC = fullTimeControlString;
17574 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17575 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17577 if (whiteFlag || blackFlag) {
17579 whiteFlag = blackFlag = FALSE;
17581 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17582 DisplayBothClocks();
17583 adjustedClock = FALSE;
17586 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17588 /* Decrement running clock by amount of time that has passed */
17592 long timeRemaining;
17593 long lastTickLength, fudge;
17596 if (!appData.clockMode) return;
17597 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17601 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17603 /* Fudge if we woke up a little too soon */
17604 fudge = intendedTickLength - lastTickLength;
17605 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17607 if (WhiteOnMove(forwardMostMove)) {
17608 if(whiteNPS >= 0) lastTickLength = 0;
17609 timeRemaining = whiteTimeRemaining -= lastTickLength;
17610 if(timeRemaining < 0 && !appData.icsActive) {
17611 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17612 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17613 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17614 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17617 DisplayWhiteClock(whiteTimeRemaining - fudge,
17618 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17620 if(blackNPS >= 0) lastTickLength = 0;
17621 timeRemaining = blackTimeRemaining -= lastTickLength;
17622 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17623 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17625 blackStartMove = forwardMostMove;
17626 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17629 DisplayBlackClock(blackTimeRemaining - fudge,
17630 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17632 if (CheckFlags()) return;
17634 if(twoBoards) { // count down secondary board's clocks as well
17635 activePartnerTime -= lastTickLength;
17637 if(activePartner == 'W')
17638 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17640 DisplayBlackClock(activePartnerTime, TRUE);
17645 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17646 StartClockTimer(intendedTickLength);
17648 /* if the time remaining has fallen below the alarm threshold, sound the
17649 * alarm. if the alarm has sounded and (due to a takeback or time control
17650 * with increment) the time remaining has increased to a level above the
17651 * threshold, reset the alarm so it can sound again.
17654 if (appData.icsActive && appData.icsAlarm) {
17656 /* make sure we are dealing with the user's clock */
17657 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17658 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17661 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17662 alarmSounded = FALSE;
17663 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17665 alarmSounded = TRUE;
17671 /* A player has just moved, so stop the previously running
17672 clock and (if in clock mode) start the other one.
17673 We redisplay both clocks in case we're in ICS mode, because
17674 ICS gives us an update to both clocks after every move.
17675 Note that this routine is called *after* forwardMostMove
17676 is updated, so the last fractional tick must be subtracted
17677 from the color that is *not* on move now.
17680 SwitchClocks (int newMoveNr)
17682 long lastTickLength;
17684 int flagged = FALSE;
17688 if (StopClockTimer() && appData.clockMode) {
17689 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17690 if (!WhiteOnMove(forwardMostMove)) {
17691 if(blackNPS >= 0) lastTickLength = 0;
17692 blackTimeRemaining -= lastTickLength;
17693 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17694 // if(pvInfoList[forwardMostMove].time == -1)
17695 pvInfoList[forwardMostMove].time = // use GUI time
17696 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17698 if(whiteNPS >= 0) lastTickLength = 0;
17699 whiteTimeRemaining -= lastTickLength;
17700 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17701 // if(pvInfoList[forwardMostMove].time == -1)
17702 pvInfoList[forwardMostMove].time =
17703 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17705 flagged = CheckFlags();
17707 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17708 CheckTimeControl();
17710 if (flagged || !appData.clockMode) return;
17712 switch (gameMode) {
17713 case MachinePlaysBlack:
17714 case MachinePlaysWhite:
17715 case BeginningOfGame:
17716 if (pausing) return;
17720 case PlayFromGameFile:
17728 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17729 if(WhiteOnMove(forwardMostMove))
17730 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17731 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17735 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17736 whiteTimeRemaining : blackTimeRemaining);
17737 StartClockTimer(intendedTickLength);
17741 /* Stop both clocks */
17745 long lastTickLength;
17748 if (!StopClockTimer()) return;
17749 if (!appData.clockMode) return;
17753 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17754 if (WhiteOnMove(forwardMostMove)) {
17755 if(whiteNPS >= 0) lastTickLength = 0;
17756 whiteTimeRemaining -= lastTickLength;
17757 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17759 if(blackNPS >= 0) lastTickLength = 0;
17760 blackTimeRemaining -= lastTickLength;
17761 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17766 /* Start clock of player on move. Time may have been reset, so
17767 if clock is already running, stop and restart it. */
17771 (void) StopClockTimer(); /* in case it was running already */
17772 DisplayBothClocks();
17773 if (CheckFlags()) return;
17775 if (!appData.clockMode) return;
17776 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17778 GetTimeMark(&tickStartTM);
17779 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17780 whiteTimeRemaining : blackTimeRemaining);
17782 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17783 whiteNPS = blackNPS = -1;
17784 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17785 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17786 whiteNPS = first.nps;
17787 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17788 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17789 blackNPS = first.nps;
17790 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17791 whiteNPS = second.nps;
17792 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17793 blackNPS = second.nps;
17794 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17796 StartClockTimer(intendedTickLength);
17800 TimeString (long ms)
17802 long second, minute, hour, day;
17804 static char buf[32];
17806 if (ms > 0 && ms <= 9900) {
17807 /* convert milliseconds to tenths, rounding up */
17808 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17810 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17814 /* convert milliseconds to seconds, rounding up */
17815 /* use floating point to avoid strangeness of integer division
17816 with negative dividends on many machines */
17817 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17824 day = second / (60 * 60 * 24);
17825 second = second % (60 * 60 * 24);
17826 hour = second / (60 * 60);
17827 second = second % (60 * 60);
17828 minute = second / 60;
17829 second = second % 60;
17832 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17833 sign, day, hour, minute, second);
17835 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17837 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17844 * This is necessary because some C libraries aren't ANSI C compliant yet.
17847 StrStr (char *string, char *match)
17851 length = strlen(match);
17853 for (i = strlen(string) - length; i >= 0; i--, string++)
17854 if (!strncmp(match, string, length))
17861 StrCaseStr (char *string, char *match)
17865 length = strlen(match);
17867 for (i = strlen(string) - length; i >= 0; i--, string++) {
17868 for (j = 0; j < length; j++) {
17869 if (ToLower(match[j]) != ToLower(string[j]))
17872 if (j == length) return string;
17880 StrCaseCmp (char *s1, char *s2)
17885 c1 = ToLower(*s1++);
17886 c2 = ToLower(*s2++);
17887 if (c1 > c2) return 1;
17888 if (c1 < c2) return -1;
17889 if (c1 == NULLCHAR) return 0;
17897 return isupper(c) ? tolower(c) : c;
17904 return islower(c) ? toupper(c) : c;
17906 #endif /* !_amigados */
17913 if ((ret = (char *) malloc(strlen(s) + 1)))
17915 safeStrCpy(ret, s, strlen(s)+1);
17921 StrSavePtr (char *s, char **savePtr)
17926 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17927 safeStrCpy(*savePtr, s, strlen(s)+1);
17939 clock = time((time_t *)NULL);
17940 tm = localtime(&clock);
17941 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17942 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17943 return StrSave(buf);
17948 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17950 int i, j, fromX, fromY, toX, toY;
17951 int whiteToPlay, haveRights = nrCastlingRights;
17957 whiteToPlay = (gameMode == EditPosition) ?
17958 !blackPlaysFirst : (move % 2 == 0);
17961 /* Piece placement data */
17962 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17963 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17965 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17966 if (boards[move][i][j] == EmptySquare) {
17968 } else { ChessSquare piece = boards[move][i][j];
17969 if (emptycount > 0) {
17970 if(emptycount<10) /* [HGM] can be >= 10 */
17971 *p++ = '0' + emptycount;
17972 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17975 if(PieceToChar(piece) == '+') {
17976 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17978 piece = (ChessSquare)(CHUDEMOTED piece);
17980 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17981 if(*p = PieceSuffix(piece)) p++;
17983 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17984 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17989 if (emptycount > 0) {
17990 if(emptycount<10) /* [HGM] can be >= 10 */
17991 *p++ = '0' + emptycount;
17992 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17999 /* [HGM] print Crazyhouse or Shogi holdings */
18000 if( gameInfo.holdingsWidth ) {
18001 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18003 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18004 piece = boards[move][i][BOARD_WIDTH-1];
18005 if( piece != EmptySquare )
18006 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18007 *p++ = PieceToChar(piece);
18009 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18010 piece = boards[move][BOARD_HEIGHT-i-1][0];
18011 if( piece != EmptySquare )
18012 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18013 *p++ = PieceToChar(piece);
18016 if( q == p ) *p++ = '-';
18022 *p++ = whiteToPlay ? 'w' : 'b';
18025 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18026 haveRights = 0; q = p;
18027 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18028 piece = boards[move][0][i];
18029 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18030 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18033 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18034 piece = boards[move][BOARD_HEIGHT-1][i];
18035 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18036 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18039 if(p == q) *p++ = '-';
18043 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18044 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18047 int handW=0, handB=0;
18048 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18049 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18050 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18053 if(appData.fischerCastling) {
18054 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18055 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18056 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18058 /* [HGM] write directly from rights */
18059 if(boards[move][CASTLING][2] != NoRights &&
18060 boards[move][CASTLING][0] != NoRights )
18061 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18062 if(boards[move][CASTLING][2] != NoRights &&
18063 boards[move][CASTLING][1] != NoRights )
18064 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18067 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18068 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18070 if(boards[move][CASTLING][5] != NoRights &&
18071 boards[move][CASTLING][3] != NoRights )
18072 *p++ = boards[move][CASTLING][3] + AAA;
18073 if(boards[move][CASTLING][5] != NoRights &&
18074 boards[move][CASTLING][4] != NoRights )
18075 *p++ = boards[move][CASTLING][4] + AAA;
18079 /* [HGM] write true castling rights */
18080 if( nrCastlingRights == 6 ) {
18082 if(boards[move][CASTLING][0] != NoRights &&
18083 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18084 q = (boards[move][CASTLING][1] != NoRights &&
18085 boards[move][CASTLING][2] != NoRights );
18086 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18087 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18088 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18089 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18093 if(boards[move][CASTLING][3] != NoRights &&
18094 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18095 q = (boards[move][CASTLING][4] != NoRights &&
18096 boards[move][CASTLING][5] != NoRights );
18098 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18099 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18100 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18105 if (q == p) *p++ = '-'; /* No castling rights */
18109 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18110 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18111 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18112 /* En passant target square */
18113 if (move > backwardMostMove) {
18114 fromX = moveList[move - 1][0] - AAA;
18115 fromY = moveList[move - 1][1] - ONE;
18116 toX = moveList[move - 1][2] - AAA;
18117 toY = moveList[move - 1][3] - ONE;
18118 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18119 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18120 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18122 /* 2-square pawn move just happened */
18124 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18128 } else if(move == backwardMostMove) {
18129 // [HGM] perhaps we should always do it like this, and forget the above?
18130 if((signed char)boards[move][EP_STATUS] >= 0) {
18131 *p++ = boards[move][EP_STATUS] + AAA;
18132 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18144 { int i = 0, j=move;
18146 /* [HGM] find reversible plies */
18147 if (appData.debugMode) { int k;
18148 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18149 for(k=backwardMostMove; k<=forwardMostMove; k++)
18150 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18154 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18155 if( j == backwardMostMove ) i += initialRulePlies;
18156 sprintf(p, "%d ", i);
18157 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18159 /* Fullmove number */
18160 sprintf(p, "%d", (move / 2) + 1);
18161 } else *--p = NULLCHAR;
18163 return StrSave(buf);
18167 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18169 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18171 int emptycount, virgin[BOARD_FILES];
18172 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18176 /* Piece placement data */
18177 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18180 if (*p == '/' || *p == ' ' || *p == '[' ) {
18182 emptycount = gameInfo.boardWidth - j;
18183 while (emptycount--)
18184 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18185 if (*p == '/') p++;
18186 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18187 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18188 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18190 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18193 #if(BOARD_FILES >= 10)*0
18194 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18195 p++; emptycount=10;
18196 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18197 while (emptycount--)
18198 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18200 } else if (*p == '*') {
18201 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18202 } else if (isdigit(*p)) {
18203 emptycount = *p++ - '0';
18204 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18205 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18206 while (emptycount--)
18207 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18208 } else if (*p == '<') {
18209 if(i == BOARD_HEIGHT-1) shuffle = 1;
18210 else if (i != 0 || !shuffle) return FALSE;
18212 } else if (shuffle && *p == '>') {
18213 p++; // for now ignore closing shuffle range, and assume rank-end
18214 } else if (*p == '?') {
18215 if (j >= gameInfo.boardWidth) return FALSE;
18216 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18217 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18218 } else if (*p == '+' || isalpha(*p)) {
18219 char *q, *s = SUFFIXES;
18220 if (j >= gameInfo.boardWidth) return FALSE;
18223 if(q = strchr(s, p[1])) p++;
18224 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18225 if(piece == EmptySquare) return FALSE; /* unknown piece */
18226 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
18227 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18230 if(q = strchr(s, *p)) p++;
18231 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18234 if(piece==EmptySquare) return FALSE; /* unknown piece */
18235 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18236 piece = (ChessSquare) (PROMOTED piece);
18237 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18240 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18241 if(piece == king) wKingRank = i;
18242 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18248 while (*p == '/' || *p == ' ') p++;
18250 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18252 /* [HGM] by default clear Crazyhouse holdings, if present */
18253 if(gameInfo.holdingsWidth) {
18254 for(i=0; i<BOARD_HEIGHT; i++) {
18255 board[i][0] = EmptySquare; /* black holdings */
18256 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18257 board[i][1] = (ChessSquare) 0; /* black counts */
18258 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18262 /* [HGM] look for Crazyhouse holdings here */
18263 while(*p==' ') p++;
18264 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18265 int swap=0, wcnt=0, bcnt=0;
18267 if(*p == '<') swap++, p++;
18268 if(*p == '-' ) p++; /* empty holdings */ else {
18269 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18270 /* if we would allow FEN reading to set board size, we would */
18271 /* have to add holdings and shift the board read so far here */
18272 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18274 if((int) piece >= (int) BlackPawn ) {
18275 i = (int)piece - (int)BlackPawn;
18276 i = PieceToNumber((ChessSquare)i);
18277 if( i >= gameInfo.holdingsSize ) return FALSE;
18278 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18279 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18282 i = (int)piece - (int)WhitePawn;
18283 i = PieceToNumber((ChessSquare)i);
18284 if( i >= gameInfo.holdingsSize ) return FALSE;
18285 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18286 board[i][BOARD_WIDTH-2]++; /* black holdings */
18290 if(subst) { // substitute back-rank question marks by holdings pieces
18291 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18292 int k, m, n = bcnt + 1;
18293 if(board[0][j] == ClearBoard) {
18294 if(!wcnt) return FALSE;
18296 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18297 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18298 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18302 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18303 if(!bcnt) return FALSE;
18304 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18305 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18306 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18307 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18318 if(subst) return FALSE; // substitution requested, but no holdings
18320 while(*p == ' ') p++;
18324 if(appData.colorNickNames) {
18325 if( c == appData.colorNickNames[0] ) c = 'w'; else
18326 if( c == appData.colorNickNames[1] ) c = 'b';
18330 *blackPlaysFirst = FALSE;
18333 *blackPlaysFirst = TRUE;
18339 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18340 /* return the extra info in global variiables */
18342 while(*p==' ') p++;
18344 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18345 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18346 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18349 /* set defaults in case FEN is incomplete */
18350 board[EP_STATUS] = EP_UNKNOWN;
18351 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18352 for(i=0; i<nrCastlingRights; i++ ) {
18353 board[CASTLING][i] =
18354 appData.fischerCastling ? NoRights : initialRights[i];
18355 } /* assume possible unless obviously impossible */
18356 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18357 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18358 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18359 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18360 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18361 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18362 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18363 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18366 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18369 while(isalpha(*p)) {
18370 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18371 if(islower(*p)) b |= 1 << (*p++ - 'a');
18375 board[TOUCHED_W] = ~w;
18376 board[TOUCHED_B] = ~b;
18377 while(*p == ' ') p++;
18381 if(nrCastlingRights) {
18383 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18384 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18385 /* castling indicator present, so default becomes no castlings */
18386 for(i=0; i<nrCastlingRights; i++ ) {
18387 board[CASTLING][i] = NoRights;
18390 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18391 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18392 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18393 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18394 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18396 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18397 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18398 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18400 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18401 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18402 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18403 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18404 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18405 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18408 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18409 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18410 board[CASTLING][2] = whiteKingFile;
18411 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18412 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18413 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18416 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18417 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18418 board[CASTLING][2] = whiteKingFile;
18419 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18420 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18421 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18424 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18425 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18426 board[CASTLING][5] = blackKingFile;
18427 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18428 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18429 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18432 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18433 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18434 board[CASTLING][5] = blackKingFile;
18435 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18436 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18437 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18440 default: /* FRC castlings */
18441 if(c >= 'a') { /* black rights */
18442 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18443 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18444 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18445 if(i == BOARD_RGHT) break;
18446 board[CASTLING][5] = i;
18448 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18449 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18451 board[CASTLING][3] = c;
18453 board[CASTLING][4] = c;
18454 } else { /* white rights */
18455 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18456 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18457 if(board[0][i] == WhiteKing) break;
18458 if(i == BOARD_RGHT) break;
18459 board[CASTLING][2] = i;
18460 c -= AAA - 'a' + 'A';
18461 if(board[0][c] >= WhiteKing) break;
18463 board[CASTLING][0] = c;
18465 board[CASTLING][1] = c;
18469 for(i=0; i<nrCastlingRights; i++)
18470 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18471 if(gameInfo.variant == VariantSChess)
18472 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18473 if(fischer && shuffle) appData.fischerCastling = TRUE;
18474 if (appData.debugMode) {
18475 fprintf(debugFP, "FEN castling rights:");
18476 for(i=0; i<nrCastlingRights; i++)
18477 fprintf(debugFP, " %d", board[CASTLING][i]);
18478 fprintf(debugFP, "\n");
18481 while(*p==' ') p++;
18484 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18486 /* read e.p. field in games that know e.p. capture */
18487 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18488 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18489 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18491 p++; board[EP_STATUS] = EP_NONE;
18493 char c = *p++ - AAA;
18495 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18496 if(*p >= '0' && *p <='9') p++;
18497 board[EP_STATUS] = c;
18502 if(sscanf(p, "%d", &i) == 1) {
18503 FENrulePlies = i; /* 50-move ply counter */
18504 /* (The move number is still ignored) */
18511 EditPositionPasteFEN (char *fen)
18514 Board initial_position;
18516 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18517 DisplayError(_("Bad FEN position in clipboard"), 0);
18520 int savedBlackPlaysFirst = blackPlaysFirst;
18521 EditPositionEvent();
18522 blackPlaysFirst = savedBlackPlaysFirst;
18523 CopyBoard(boards[0], initial_position);
18524 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18525 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18526 DisplayBothClocks();
18527 DrawPosition(FALSE, boards[currentMove]);
18532 static char cseq[12] = "\\ ";
18535 set_cont_sequence (char *new_seq)
18540 // handle bad attempts to set the sequence
18542 return 0; // acceptable error - no debug
18544 len = strlen(new_seq);
18545 ret = (len > 0) && (len < sizeof(cseq));
18547 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18548 else if (appData.debugMode)
18549 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18554 reformat a source message so words don't cross the width boundary. internal
18555 newlines are not removed. returns the wrapped size (no null character unless
18556 included in source message). If dest is NULL, only calculate the size required
18557 for the dest buffer. lp argument indicats line position upon entry, and it's
18558 passed back upon exit.
18561 wrap (char *dest, char *src, int count, int width, int *lp)
18563 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18565 cseq_len = strlen(cseq);
18566 old_line = line = *lp;
18567 ansi = len = clen = 0;
18569 for (i=0; i < count; i++)
18571 if (src[i] == '\033')
18574 // if we hit the width, back up
18575 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18577 // store i & len in case the word is too long
18578 old_i = i, old_len = len;
18580 // find the end of the last word
18581 while (i && src[i] != ' ' && src[i] != '\n')
18587 // word too long? restore i & len before splitting it
18588 if ((old_i-i+clen) >= width)
18595 if (i && src[i-1] == ' ')
18598 if (src[i] != ' ' && src[i] != '\n')
18605 // now append the newline and continuation sequence
18610 strncpy(dest+len, cseq, cseq_len);
18618 dest[len] = src[i];
18622 if (src[i] == '\n')
18627 if (dest && appData.debugMode)
18629 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18630 count, width, line, len, *lp);
18631 show_bytes(debugFP, src, count);
18632 fprintf(debugFP, "\ndest: ");
18633 show_bytes(debugFP, dest, len);
18634 fprintf(debugFP, "\n");
18636 *lp = dest ? line : old_line;
18641 // [HGM] vari: routines for shelving variations
18642 Boolean modeRestore = FALSE;
18645 PushInner (int firstMove, int lastMove)
18647 int i, j, nrMoves = lastMove - firstMove;
18649 // push current tail of game on stack
18650 savedResult[storedGames] = gameInfo.result;
18651 savedDetails[storedGames] = gameInfo.resultDetails;
18652 gameInfo.resultDetails = NULL;
18653 savedFirst[storedGames] = firstMove;
18654 savedLast [storedGames] = lastMove;
18655 savedFramePtr[storedGames] = framePtr;
18656 framePtr -= nrMoves; // reserve space for the boards
18657 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18658 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18659 for(j=0; j<MOVE_LEN; j++)
18660 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18661 for(j=0; j<2*MOVE_LEN; j++)
18662 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18663 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18664 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18665 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18666 pvInfoList[firstMove+i-1].depth = 0;
18667 commentList[framePtr+i] = commentList[firstMove+i];
18668 commentList[firstMove+i] = NULL;
18672 forwardMostMove = firstMove; // truncate game so we can start variation
18676 PushTail (int firstMove, int lastMove)
18678 if(appData.icsActive) { // only in local mode
18679 forwardMostMove = currentMove; // mimic old ICS behavior
18682 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18684 PushInner(firstMove, lastMove);
18685 if(storedGames == 1) GreyRevert(FALSE);
18686 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18690 PopInner (Boolean annotate)
18693 char buf[8000], moveBuf[20];
18695 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18696 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18697 nrMoves = savedLast[storedGames] - currentMove;
18700 if(!WhiteOnMove(currentMove))
18701 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18702 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18703 for(i=currentMove; i<forwardMostMove; i++) {
18705 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18706 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18707 strcat(buf, moveBuf);
18708 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18709 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18713 for(i=1; i<=nrMoves; i++) { // copy last variation back
18714 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18715 for(j=0; j<MOVE_LEN; j++)
18716 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18717 for(j=0; j<2*MOVE_LEN; j++)
18718 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18719 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18720 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18721 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18722 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18723 commentList[currentMove+i] = commentList[framePtr+i];
18724 commentList[framePtr+i] = NULL;
18726 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18727 framePtr = savedFramePtr[storedGames];
18728 gameInfo.result = savedResult[storedGames];
18729 if(gameInfo.resultDetails != NULL) {
18730 free(gameInfo.resultDetails);
18732 gameInfo.resultDetails = savedDetails[storedGames];
18733 forwardMostMove = currentMove + nrMoves;
18737 PopTail (Boolean annotate)
18739 if(appData.icsActive) return FALSE; // only in local mode
18740 if(!storedGames) return FALSE; // sanity
18741 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18743 PopInner(annotate);
18744 if(currentMove < forwardMostMove) ForwardEvent(); else
18745 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18747 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18753 { // remove all shelved variations
18755 for(i=0; i<storedGames; i++) {
18756 if(savedDetails[i])
18757 free(savedDetails[i]);
18758 savedDetails[i] = NULL;
18760 for(i=framePtr; i<MAX_MOVES; i++) {
18761 if(commentList[i]) free(commentList[i]);
18762 commentList[i] = NULL;
18764 framePtr = MAX_MOVES-1;
18769 LoadVariation (int index, char *text)
18770 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18771 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18772 int level = 0, move;
18774 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18775 // first find outermost bracketing variation
18776 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18777 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18778 if(*p == '{') wait = '}'; else
18779 if(*p == '[') wait = ']'; else
18780 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18781 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18783 if(*p == wait) wait = NULLCHAR; // closing ]} found
18786 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18787 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18788 end[1] = NULLCHAR; // clip off comment beyond variation
18789 ToNrEvent(currentMove-1);
18790 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18791 // kludge: use ParsePV() to append variation to game
18792 move = currentMove;
18793 ParsePV(start, TRUE, TRUE);
18794 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18795 ClearPremoveHighlights();
18797 ToNrEvent(currentMove+1);
18803 char *p, *q, buf[MSG_SIZ];
18804 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18805 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18806 ParseArgsFromString(buf);
18807 ActivateTheme(TRUE); // also redo colors
18811 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18814 q = appData.themeNames;
18815 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18816 if(appData.useBitmaps) {
18817 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18818 appData.liteBackTextureFile, appData.darkBackTextureFile,
18819 appData.liteBackTextureMode,
18820 appData.darkBackTextureMode );
18822 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18823 Col2Text(2), // lightSquareColor
18824 Col2Text(3) ); // darkSquareColor
18826 if(appData.useBorder) {
18827 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18830 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18832 if(appData.useFont) {
18833 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18834 appData.renderPiecesWithFont,
18835 appData.fontToPieceTable,
18836 Col2Text(9), // appData.fontBackColorWhite
18837 Col2Text(10) ); // appData.fontForeColorBlack
18839 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18840 appData.pieceDirectory);
18841 if(!appData.pieceDirectory[0])
18842 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18843 Col2Text(0), // whitePieceColor
18844 Col2Text(1) ); // blackPieceColor
18846 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18847 Col2Text(4), // highlightSquareColor
18848 Col2Text(5) ); // premoveHighlightColor
18849 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18850 if(insert != q) insert[-1] = NULLCHAR;
18851 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18854 ActivateTheme(FALSE);