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 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7085 /* [HGM] but possibly ignore an IllegalMove result */
7086 if (appData.testLegality) {
7087 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7088 DisplayMoveError(_("Illegal move"));
7093 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7094 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7095 ClearPremoveHighlights(); // was included
7096 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7100 if(addToBookFlag) { // adding moves to book
7101 char buf[MSG_SIZ], move[MSG_SIZ];
7102 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7103 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');
7104 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7106 addToBookFlag = FALSE;
7111 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7114 /* Common tail of UserMoveEvent and DropMenuEvent */
7116 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7120 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7121 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7122 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7123 if(WhiteOnMove(currentMove)) {
7124 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7126 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7130 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7131 move type in caller when we know the move is a legal promotion */
7132 if(moveType == NormalMove && promoChar)
7133 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7135 /* [HGM] <popupFix> The following if has been moved here from
7136 UserMoveEvent(). Because it seemed to belong here (why not allow
7137 piece drops in training games?), and because it can only be
7138 performed after it is known to what we promote. */
7139 if (gameMode == Training) {
7140 /* compare the move played on the board to the next move in the
7141 * game. If they match, display the move and the opponent's response.
7142 * If they don't match, display an error message.
7146 CopyBoard(testBoard, boards[currentMove]);
7147 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7149 if (CompareBoards(testBoard, boards[currentMove+1])) {
7150 ForwardInner(currentMove+1);
7152 /* Autoplay the opponent's response.
7153 * if appData.animate was TRUE when Training mode was entered,
7154 * the response will be animated.
7156 saveAnimate = appData.animate;
7157 appData.animate = animateTraining;
7158 ForwardInner(currentMove+1);
7159 appData.animate = saveAnimate;
7161 /* check for the end of the game */
7162 if (currentMove >= forwardMostMove) {
7163 gameMode = PlayFromGameFile;
7165 SetTrainingModeOff();
7166 DisplayInformation(_("End of game"));
7169 DisplayError(_("Incorrect move"), 0);
7174 /* Ok, now we know that the move is good, so we can kill
7175 the previous line in Analysis Mode */
7176 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7177 && currentMove < forwardMostMove) {
7178 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7179 else forwardMostMove = currentMove;
7184 /* If we need the chess program but it's dead, restart it */
7185 ResurrectChessProgram();
7187 /* A user move restarts a paused game*/
7191 thinkOutput[0] = NULLCHAR;
7193 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7195 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7196 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7200 if (gameMode == BeginningOfGame) {
7201 if (appData.noChessProgram) {
7202 gameMode = EditGame;
7206 gameMode = MachinePlaysBlack;
7209 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7211 if (first.sendName) {
7212 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7213 SendToProgram(buf, &first);
7220 /* Relay move to ICS or chess engine */
7221 if (appData.icsActive) {
7222 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7223 gameMode == IcsExamining) {
7224 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7225 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7227 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7229 // also send plain move, in case ICS does not understand atomic claims
7230 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7234 if (first.sendTime && (gameMode == BeginningOfGame ||
7235 gameMode == MachinePlaysWhite ||
7236 gameMode == MachinePlaysBlack)) {
7237 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7239 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7240 // [HGM] book: if program might be playing, let it use book
7241 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7242 first.maybeThinking = TRUE;
7243 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7244 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7245 SendBoard(&first, currentMove+1);
7246 if(second.analyzing) {
7247 if(!second.useSetboard) SendToProgram("undo\n", &second);
7248 SendBoard(&second, currentMove+1);
7251 SendMoveToProgram(forwardMostMove-1, &first);
7252 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7254 if (currentMove == cmailOldMove + 1) {
7255 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7259 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7263 if(appData.testLegality)
7264 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7270 if (WhiteOnMove(currentMove)) {
7271 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7273 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7277 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7282 case MachinePlaysBlack:
7283 case MachinePlaysWhite:
7284 /* disable certain menu options while machine is thinking */
7285 SetMachineThinkingEnables();
7292 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7293 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7295 if(bookHit) { // [HGM] book: simulate book reply
7296 static char bookMove[MSG_SIZ]; // a bit generous?
7298 programStats.nodes = programStats.depth = programStats.time =
7299 programStats.score = programStats.got_only_move = 0;
7300 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7302 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7303 strcat(bookMove, bookHit);
7304 HandleMachineMove(bookMove, &first);
7310 MarkByFEN(char *fen)
7313 if(!appData.markers || !appData.highlightDragging) return;
7314 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7315 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7319 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7320 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7321 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7322 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7323 if(*fen == 'T') marker[r][f++] = 0; else
7324 if(*fen == 'Y') marker[r][f++] = 1; else
7325 if(*fen == 'G') marker[r][f++] = 3; else
7326 if(*fen == 'B') marker[r][f++] = 4; else
7327 if(*fen == 'C') marker[r][f++] = 5; else
7328 if(*fen == 'M') marker[r][f++] = 6; else
7329 if(*fen == 'W') marker[r][f++] = 7; else
7330 if(*fen == 'D') marker[r][f++] = 8; else
7331 if(*fen == 'R') marker[r][f++] = 2; else {
7332 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7335 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7339 DrawPosition(TRUE, NULL);
7342 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7345 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7347 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7348 Markers *m = (Markers *) closure;
7349 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7350 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7351 || kind == WhiteCapturesEnPassant
7352 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 3;
7353 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7356 static int hoverSavedValid;
7359 MarkTargetSquares (int clear)
7362 if(clear) { // no reason to ever suppress clearing
7363 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7364 hoverSavedValid = 0;
7365 if(!sum) return; // nothing was cleared,no redraw needed
7368 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7369 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7370 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7371 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7372 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7374 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7377 DrawPosition(FALSE, NULL);
7381 Explode (Board board, int fromX, int fromY, int toX, int toY)
7383 if(gameInfo.variant == VariantAtomic &&
7384 (board[toY][toX] != EmptySquare || // capture?
7385 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7386 board[fromY][fromX] == BlackPawn )
7388 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7394 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7397 CanPromote (ChessSquare piece, int y)
7399 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7400 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7401 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7402 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7403 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7404 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7405 gameInfo.variant == VariantMakruk) return FALSE;
7406 return (piece == BlackPawn && y <= zone ||
7407 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7408 piece == BlackLance && y <= zone ||
7409 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7413 HoverEvent (int xPix, int yPix, int x, int y)
7415 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7417 if(!first.highlight) return;
7418 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7419 if(x == oldX && y == oldY) return; // only do something if we enter new square
7420 oldFromX = fromX; oldFromY = fromY;
7421 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7422 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7423 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7424 hoverSavedValid = 1;
7425 } else if(oldX != x || oldY != y) {
7426 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7427 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7428 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7429 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7430 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7432 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7433 SendToProgram(buf, &first);
7436 // SetHighlights(fromX, fromY, x, y);
7440 void ReportClick(char *action, int x, int y)
7442 char buf[MSG_SIZ]; // Inform engine of what user does
7444 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7445 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7446 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7447 if(!first.highlight || gameMode == EditPosition) return;
7448 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7449 SendToProgram(buf, &first);
7452 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7455 LeftClick (ClickType clickType, int xPix, int yPix)
7458 Boolean saveAnimate;
7459 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7460 char promoChoice = NULLCHAR;
7462 static TimeMark lastClickTime, prevClickTime;
7464 x = EventToSquare(xPix, BOARD_WIDTH);
7465 y = EventToSquare(yPix, BOARD_HEIGHT);
7466 if (!flipView && y >= 0) {
7467 y = BOARD_HEIGHT - 1 - y;
7469 if (flipView && x >= 0) {
7470 x = BOARD_WIDTH - 1 - x;
7473 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7475 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7480 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7482 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7484 if (clickType == Press) ErrorPopDown();
7485 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7487 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7488 defaultPromoChoice = promoSweep;
7489 promoSweep = EmptySquare; // terminate sweep
7490 promoDefaultAltered = TRUE;
7491 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7494 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7495 if(clickType == Release) return; // ignore upclick of click-click destination
7496 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7497 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7498 if(gameInfo.holdingsWidth &&
7499 (WhiteOnMove(currentMove)
7500 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7501 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7502 // click in right holdings, for determining promotion piece
7503 ChessSquare p = boards[currentMove][y][x];
7504 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7505 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7506 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7507 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7512 DrawPosition(FALSE, boards[currentMove]);
7516 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7517 if(clickType == Press
7518 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7519 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7520 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7523 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7524 // could be static click on premove from-square: abort premove
7526 ClearPremoveHighlights();
7529 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7530 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7532 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7533 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7534 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7535 defaultPromoChoice = DefaultPromoChoice(side);
7538 autoQueen = appData.alwaysPromoteToQueen;
7542 gatingPiece = EmptySquare;
7543 if (clickType != Press) {
7544 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7545 DragPieceEnd(xPix, yPix); dragging = 0;
7546 DrawPosition(FALSE, NULL);
7550 doubleClick = FALSE;
7551 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7552 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7554 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7555 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7556 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7557 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7559 if (OKToStartUserMove(fromX, fromY)) {
7561 ReportClick("lift", x, y);
7562 MarkTargetSquares(0);
7563 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7564 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7565 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7566 promoSweep = defaultPromoChoice;
7567 selectFlag = 0; lastX = xPix; lastY = yPix;
7568 Sweep(0); // Pawn that is going to promote: preview promotion piece
7569 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7571 if (appData.highlightDragging) {
7572 SetHighlights(fromX, fromY, -1, -1);
7576 } else fromX = fromY = -1;
7582 if (clickType == Press && gameMode != EditPosition) {
7587 // ignore off-board to clicks
7588 if(y < 0 || x < 0) return;
7590 /* Check if clicking again on the same color piece */
7591 fromP = boards[currentMove][fromY][fromX];
7592 toP = boards[currentMove][y][x];
7593 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7594 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7595 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7596 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7597 WhitePawn <= toP && toP <= WhiteKing &&
7598 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7599 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7600 (BlackPawn <= fromP && fromP <= BlackKing &&
7601 BlackPawn <= toP && toP <= BlackKing &&
7602 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7603 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7604 /* Clicked again on same color piece -- changed his mind */
7605 second = (x == fromX && y == fromY);
7607 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7608 second = FALSE; // first double-click rather than scond click
7609 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7611 promoDefaultAltered = FALSE;
7612 MarkTargetSquares(1);
7613 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7614 if (appData.highlightDragging) {
7615 SetHighlights(x, y, -1, -1);
7619 if (OKToStartUserMove(x, y)) {
7620 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7621 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7622 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7623 gatingPiece = boards[currentMove][fromY][fromX];
7624 else gatingPiece = doubleClick ? fromP : EmptySquare;
7626 fromY = y; dragging = 1;
7627 if(!second) ReportClick("lift", x, y);
7628 MarkTargetSquares(0);
7629 DragPieceBegin(xPix, yPix, FALSE);
7630 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7631 promoSweep = defaultPromoChoice;
7632 selectFlag = 0; lastX = xPix; lastY = yPix;
7633 Sweep(0); // Pawn that is going to promote: preview promotion piece
7637 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7640 // ignore clicks on holdings
7641 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7644 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7645 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7646 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7650 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7651 DragPieceEnd(xPix, yPix); dragging = 0;
7653 // a deferred attempt to click-click move an empty square on top of a piece
7654 boards[currentMove][y][x] = EmptySquare;
7656 DrawPosition(FALSE, boards[currentMove]);
7657 fromX = fromY = -1; clearFlag = 0;
7660 if (appData.animateDragging) {
7661 /* Undo animation damage if any */
7662 DrawPosition(FALSE, NULL);
7665 /* Second up/down in same square; just abort move */
7668 gatingPiece = EmptySquare;
7669 MarkTargetSquares(1);
7672 ClearPremoveHighlights();
7674 /* First upclick in same square; start click-click mode */
7675 SetHighlights(x, y, -1, -1);
7682 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7683 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7684 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7685 DisplayMessage(_("only marked squares are legal"),"");
7686 DrawPosition(TRUE, NULL);
7687 return; // ignore to-click
7690 /* we now have a different from- and (possibly off-board) to-square */
7691 /* Completed move */
7692 if(!sweepSelecting) {
7697 piece = boards[currentMove][fromY][fromX];
7699 saveAnimate = appData.animate;
7700 if (clickType == Press) {
7701 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7702 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7703 // must be Edit Position mode with empty-square selected
7704 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7705 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7708 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7711 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7712 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7714 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7715 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7716 if(appData.sweepSelect) {
7717 promoSweep = defaultPromoChoice;
7718 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7719 selectFlag = 0; lastX = xPix; lastY = yPix;
7720 Sweep(0); // Pawn that is going to promote: preview promotion piece
7722 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7723 MarkTargetSquares(1);
7725 return; // promo popup appears on up-click
7727 /* Finish clickclick move */
7728 if (appData.animate || appData.highlightLastMove) {
7729 SetHighlights(fromX, fromY, toX, toY);
7733 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7734 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7735 if (appData.animate || appData.highlightLastMove) {
7736 SetHighlights(fromX, fromY, toX, toY);
7742 // [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
7743 /* Finish drag move */
7744 if (appData.highlightLastMove) {
7745 SetHighlights(fromX, fromY, toX, toY);
7750 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7751 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7752 dragging *= 2; // flag button-less dragging if we are dragging
7753 MarkTargetSquares(1);
7754 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7756 kill2X = killX; kill2Y = killY;
7757 killX = x; killY = y; //remeber this square as intermediate
7758 ReportClick("put", x, y); // and inform engine
7759 ReportClick("lift", x, y);
7760 MarkTargetSquares(0);
7764 DragPieceEnd(xPix, yPix); dragging = 0;
7765 /* Don't animate move and drag both */
7766 appData.animate = FALSE;
7769 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7770 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7771 ChessSquare piece = boards[currentMove][fromY][fromX];
7772 if(gameMode == EditPosition && piece != EmptySquare &&
7773 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7776 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7777 n = PieceToNumber(piece - (int)BlackPawn);
7778 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7779 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7780 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7782 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7783 n = PieceToNumber(piece);
7784 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7785 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7786 boards[currentMove][n][BOARD_WIDTH-2]++;
7788 boards[currentMove][fromY][fromX] = EmptySquare;
7792 MarkTargetSquares(1);
7793 DrawPosition(TRUE, boards[currentMove]);
7797 // off-board moves should not be highlighted
7798 if(x < 0 || y < 0) ClearHighlights();
7799 else ReportClick("put", x, y);
7801 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7803 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7805 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7806 SetHighlights(fromX, fromY, toX, toY);
7807 MarkTargetSquares(1);
7808 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7809 // [HGM] super: promotion to captured piece selected from holdings
7810 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7811 promotionChoice = TRUE;
7812 // kludge follows to temporarily execute move on display, without promoting yet
7813 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7814 boards[currentMove][toY][toX] = p;
7815 DrawPosition(FALSE, boards[currentMove]);
7816 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7817 boards[currentMove][toY][toX] = q;
7818 DisplayMessage("Click in holdings to choose piece", "");
7821 PromotionPopUp(promoChoice);
7823 int oldMove = currentMove;
7824 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7825 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7826 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7827 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7828 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7829 DrawPosition(TRUE, boards[currentMove]);
7830 MarkTargetSquares(1);
7833 appData.animate = saveAnimate;
7834 if (appData.animate || appData.animateDragging) {
7835 /* Undo animation damage if needed */
7836 DrawPosition(FALSE, NULL);
7841 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7842 { // front-end-free part taken out of PieceMenuPopup
7843 int whichMenu; int xSqr, ySqr;
7845 if(seekGraphUp) { // [HGM] seekgraph
7846 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7847 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7851 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7852 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7853 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7854 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7855 if(action == Press) {
7856 originalFlip = flipView;
7857 flipView = !flipView; // temporarily flip board to see game from partners perspective
7858 DrawPosition(TRUE, partnerBoard);
7859 DisplayMessage(partnerStatus, "");
7861 } else if(action == Release) {
7862 flipView = originalFlip;
7863 DrawPosition(TRUE, boards[currentMove]);
7869 xSqr = EventToSquare(x, BOARD_WIDTH);
7870 ySqr = EventToSquare(y, BOARD_HEIGHT);
7871 if (action == Release) {
7872 if(pieceSweep != EmptySquare) {
7873 EditPositionMenuEvent(pieceSweep, toX, toY);
7874 pieceSweep = EmptySquare;
7875 } else UnLoadPV(); // [HGM] pv
7877 if (action != Press) return -2; // return code to be ignored
7880 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7882 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7883 if (xSqr < 0 || ySqr < 0) return -1;
7884 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7885 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7886 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7887 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7891 if(!appData.icsEngineAnalyze) return -1;
7892 case IcsPlayingWhite:
7893 case IcsPlayingBlack:
7894 if(!appData.zippyPlay) goto noZip;
7897 case MachinePlaysWhite:
7898 case MachinePlaysBlack:
7899 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7900 if (!appData.dropMenu) {
7902 return 2; // flag front-end to grab mouse events
7904 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7905 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7908 if (xSqr < 0 || ySqr < 0) return -1;
7909 if (!appData.dropMenu || appData.testLegality &&
7910 gameInfo.variant != VariantBughouse &&
7911 gameInfo.variant != VariantCrazyhouse) return -1;
7912 whichMenu = 1; // drop menu
7918 if (((*fromX = xSqr) < 0) ||
7919 ((*fromY = ySqr) < 0)) {
7920 *fromX = *fromY = -1;
7924 *fromX = BOARD_WIDTH - 1 - *fromX;
7926 *fromY = BOARD_HEIGHT - 1 - *fromY;
7932 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7934 // char * hint = lastHint;
7935 FrontEndProgramStats stats;
7937 stats.which = cps == &first ? 0 : 1;
7938 stats.depth = cpstats->depth;
7939 stats.nodes = cpstats->nodes;
7940 stats.score = cpstats->score;
7941 stats.time = cpstats->time;
7942 stats.pv = cpstats->movelist;
7943 stats.hint = lastHint;
7944 stats.an_move_index = 0;
7945 stats.an_move_count = 0;
7947 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7948 stats.hint = cpstats->move_name;
7949 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7950 stats.an_move_count = cpstats->nr_moves;
7953 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
7955 SetProgramStats( &stats );
7959 ClearEngineOutputPane (int which)
7961 static FrontEndProgramStats dummyStats;
7962 dummyStats.which = which;
7963 dummyStats.pv = "#";
7964 SetProgramStats( &dummyStats );
7967 #define MAXPLAYERS 500
7970 TourneyStandings (int display)
7972 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7973 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7974 char result, *p, *names[MAXPLAYERS];
7976 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7977 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7978 names[0] = p = strdup(appData.participants);
7979 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7981 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7983 while(result = appData.results[nr]) {
7984 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7985 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7986 wScore = bScore = 0;
7988 case '+': wScore = 2; break;
7989 case '-': bScore = 2; break;
7990 case '=': wScore = bScore = 1; break;
7992 case '*': return strdup("busy"); // tourney not finished
8000 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8001 for(w=0; w<nPlayers; w++) {
8003 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8004 ranking[w] = b; points[w] = bScore; score[b] = -2;
8006 p = malloc(nPlayers*34+1);
8007 for(w=0; w<nPlayers && w<display; w++)
8008 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8014 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8015 { // count all piece types
8017 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8018 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8019 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8022 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8023 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8024 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8025 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8026 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8027 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8032 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8034 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8035 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8037 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8038 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8039 if(myPawns == 2 && nMine == 3) // KPP
8040 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8041 if(myPawns == 1 && nMine == 2) // KP
8042 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8043 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8044 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8045 if(myPawns) return FALSE;
8046 if(pCnt[WhiteRook+side])
8047 return pCnt[BlackRook-side] ||
8048 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8049 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8050 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8051 if(pCnt[WhiteCannon+side]) {
8052 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8053 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8055 if(pCnt[WhiteKnight+side])
8056 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8061 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8063 VariantClass v = gameInfo.variant;
8065 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8066 if(v == VariantShatranj) return TRUE; // always winnable through baring
8067 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8068 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8070 if(v == VariantXiangqi) {
8071 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8073 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8074 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8075 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8076 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8077 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8078 if(stale) // we have at least one last-rank P plus perhaps C
8079 return majors // KPKX
8080 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8082 return pCnt[WhiteFerz+side] // KCAK
8083 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8084 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8085 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8087 } else if(v == VariantKnightmate) {
8088 if(nMine == 1) return FALSE;
8089 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8090 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8091 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8093 if(nMine == 1) return FALSE; // bare King
8094 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
8095 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8096 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8097 // by now we have King + 1 piece (or multiple Bishops on the same color)
8098 if(pCnt[WhiteKnight+side])
8099 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8100 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8101 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8103 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8104 if(pCnt[WhiteAlfil+side])
8105 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8106 if(pCnt[WhiteWazir+side])
8107 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8114 CompareWithRights (Board b1, Board b2)
8117 if(!CompareBoards(b1, b2)) return FALSE;
8118 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8119 /* compare castling rights */
8120 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8121 rights++; /* King lost rights, while rook still had them */
8122 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8123 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8124 rights++; /* but at least one rook lost them */
8126 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8128 if( b1[CASTLING][5] != NoRights ) {
8129 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8136 Adjudicate (ChessProgramState *cps)
8137 { // [HGM] some adjudications useful with buggy engines
8138 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8139 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8140 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8141 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8142 int k, drop, count = 0; static int bare = 1;
8143 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8144 Boolean canAdjudicate = !appData.icsActive;
8146 // most tests only when we understand the game, i.e. legality-checking on
8147 if( appData.testLegality )
8148 { /* [HGM] Some more adjudications for obstinate engines */
8149 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8150 static int moveCount = 6;
8152 char *reason = NULL;
8154 /* Count what is on board. */
8155 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8157 /* Some material-based adjudications that have to be made before stalemate test */
8158 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8159 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8160 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8161 if(canAdjudicate && appData.checkMates) {
8163 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8164 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8165 "Xboard adjudication: King destroyed", GE_XBOARD );
8170 /* Bare King in Shatranj (loses) or Losers (wins) */
8171 if( nrW == 1 || nrB == 1) {
8172 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8173 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8174 if(canAdjudicate && appData.checkMates) {
8176 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8177 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8178 "Xboard adjudication: Bare king", GE_XBOARD );
8182 if( gameInfo.variant == VariantShatranj && --bare < 0)
8184 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8185 if(canAdjudicate && appData.checkMates) {
8186 /* but only adjudicate if adjudication enabled */
8188 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8189 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8190 "Xboard adjudication: Bare king", GE_XBOARD );
8197 // don't wait for engine to announce game end if we can judge ourselves
8198 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8200 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8201 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8202 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8203 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8206 reason = "Xboard adjudication: 3rd check";
8207 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8218 reason = "Xboard adjudication: Stalemate";
8219 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8220 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8221 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8222 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8223 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8224 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8225 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8226 EP_CHECKMATE : EP_WINS);
8227 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8228 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8232 reason = "Xboard adjudication: Checkmate";
8233 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8234 if(gameInfo.variant == VariantShogi) {
8235 if(forwardMostMove > backwardMostMove
8236 && moveList[forwardMostMove-1][1] == '@'
8237 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8238 reason = "XBoard adjudication: pawn-drop mate";
8239 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8245 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8247 result = GameIsDrawn; break;
8249 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8251 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8255 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8257 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8258 GameEnds( result, reason, GE_XBOARD );
8262 /* Next absolutely insufficient mating material. */
8263 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8264 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8265 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8267 /* always flag draws, for judging claims */
8268 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8270 if(canAdjudicate && appData.materialDraws) {
8271 /* but only adjudicate them if adjudication enabled */
8272 if(engineOpponent) {
8273 SendToProgram("force\n", engineOpponent); // suppress reply
8274 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8276 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8281 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8282 if(gameInfo.variant == VariantXiangqi ?
8283 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8285 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8286 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8287 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8288 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8290 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8291 { /* if the first 3 moves do not show a tactical win, declare draw */
8292 if(engineOpponent) {
8293 SendToProgram("force\n", engineOpponent); // suppress reply
8294 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8296 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8299 } else moveCount = 6;
8302 // Repetition draws and 50-move rule can be applied independently of legality testing
8304 /* Check for rep-draws */
8306 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8307 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8308 for(k = forwardMostMove-2;
8309 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8310 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8311 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8314 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8315 /* compare castling rights */
8316 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8317 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8318 rights++; /* King lost rights, while rook still had them */
8319 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8320 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8321 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8322 rights++; /* but at least one rook lost them */
8324 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8325 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8327 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8328 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8329 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8332 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8333 && appData.drawRepeats > 1) {
8334 /* adjudicate after user-specified nr of repeats */
8335 int result = GameIsDrawn;
8336 char *details = "XBoard adjudication: repetition draw";
8337 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8338 // [HGM] xiangqi: check for forbidden perpetuals
8339 int m, ourPerpetual = 1, hisPerpetual = 1;
8340 for(m=forwardMostMove; m>k; m-=2) {
8341 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8342 ourPerpetual = 0; // the current mover did not always check
8343 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8344 hisPerpetual = 0; // the opponent did not always check
8346 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8347 ourPerpetual, hisPerpetual);
8348 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8349 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8350 details = "Xboard adjudication: perpetual checking";
8352 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8353 break; // (or we would have caught him before). Abort repetition-checking loop.
8355 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8356 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8358 details = "Xboard adjudication: repetition";
8360 } else // it must be XQ
8361 // Now check for perpetual chases
8362 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8363 hisPerpetual = PerpetualChase(k, forwardMostMove);
8364 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8365 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8366 static char resdet[MSG_SIZ];
8367 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8369 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8371 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8372 break; // Abort repetition-checking loop.
8374 // if neither of us is checking or chasing all the time, or both are, it is draw
8376 if(engineOpponent) {
8377 SendToProgram("force\n", engineOpponent); // suppress reply
8378 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8380 GameEnds( result, details, GE_XBOARD );
8383 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8384 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8388 /* Now we test for 50-move draws. Determine ply count */
8389 count = forwardMostMove;
8390 /* look for last irreversble move */
8391 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8393 /* if we hit starting position, add initial plies */
8394 if( count == backwardMostMove )
8395 count -= initialRulePlies;
8396 count = forwardMostMove - count;
8397 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8398 // adjust reversible move counter for checks in Xiangqi
8399 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8400 if(i < backwardMostMove) i = backwardMostMove;
8401 while(i <= forwardMostMove) {
8402 lastCheck = inCheck; // check evasion does not count
8403 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8404 if(inCheck || lastCheck) count--; // check does not count
8409 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8410 /* this is used to judge if draw claims are legal */
8411 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8412 if(engineOpponent) {
8413 SendToProgram("force\n", engineOpponent); // suppress reply
8414 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8416 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8420 /* if draw offer is pending, treat it as a draw claim
8421 * when draw condition present, to allow engines a way to
8422 * claim draws before making their move to avoid a race
8423 * condition occurring after their move
8425 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8427 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8428 p = "Draw claim: 50-move rule";
8429 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8430 p = "Draw claim: 3-fold repetition";
8431 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8432 p = "Draw claim: insufficient mating material";
8433 if( p != NULL && canAdjudicate) {
8434 if(engineOpponent) {
8435 SendToProgram("force\n", engineOpponent); // suppress reply
8436 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8438 GameEnds( GameIsDrawn, p, GE_XBOARD );
8443 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8444 if(engineOpponent) {
8445 SendToProgram("force\n", engineOpponent); // suppress reply
8446 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8448 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8454 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8455 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8456 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8461 int pieces[10], squares[10], cnt=0, r, f, res;
8463 static PPROBE_EGBB probeBB;
8464 if(!appData.testLegality) return 10;
8465 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8466 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8467 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8468 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8469 ChessSquare piece = boards[forwardMostMove][r][f];
8470 int black = (piece >= BlackPawn);
8471 int type = piece - black*BlackPawn;
8472 if(piece == EmptySquare) continue;
8473 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8474 if(type == WhiteKing) type = WhiteQueen + 1;
8475 type = egbbCode[type];
8476 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8477 pieces[cnt] = type + black*6;
8478 if(++cnt > 5) return 11;
8480 pieces[cnt] = squares[cnt] = 0;
8482 if(loaded == 2) return 13; // loading failed before
8484 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8487 loaded = 2; // prepare for failure
8488 if(!path) return 13; // no egbb installed
8489 strncpy(buf, path + 8, MSG_SIZ);
8490 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8491 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8492 lib = LoadLibrary(buf);
8493 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8494 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8495 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8496 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8497 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8498 loaded = 1; // success!
8500 res = probeBB(forwardMostMove & 1, pieces, squares);
8501 return res > 0 ? 1 : res < 0 ? -1 : 0;
8505 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8506 { // [HGM] book: this routine intercepts moves to simulate book replies
8507 char *bookHit = NULL;
8509 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8511 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8512 SendToProgram(buf, cps);
8514 //first determine if the incoming move brings opponent into his book
8515 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8516 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8517 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8518 if(bookHit != NULL && !cps->bookSuspend) {
8519 // make sure opponent is not going to reply after receiving move to book position
8520 SendToProgram("force\n", cps);
8521 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8523 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8524 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8525 // now arrange restart after book miss
8527 // after a book hit we never send 'go', and the code after the call to this routine
8528 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8529 char buf[MSG_SIZ], *move = bookHit;
8531 int fromX, fromY, toX, toY;
8535 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8536 &fromX, &fromY, &toX, &toY, &promoChar)) {
8537 (void) CoordsToAlgebraic(boards[forwardMostMove],
8538 PosFlags(forwardMostMove),
8539 fromY, fromX, toY, toX, promoChar, move);
8541 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8545 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8546 SendToProgram(buf, cps);
8547 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8548 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8549 SendToProgram("go\n", cps);
8550 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8551 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8552 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8553 SendToProgram("go\n", cps);
8554 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8556 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8560 LoadError (char *errmess, ChessProgramState *cps)
8561 { // unloads engine and switches back to -ncp mode if it was first
8562 if(cps->initDone) return FALSE;
8563 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8564 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8567 appData.noChessProgram = TRUE;
8568 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8569 gameMode = BeginningOfGame; ModeHighlight();
8572 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8573 DisplayMessage("", ""); // erase waiting message
8574 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8579 ChessProgramState *savedState;
8581 DeferredBookMove (void)
8583 if(savedState->lastPing != savedState->lastPong)
8584 ScheduleDelayedEvent(DeferredBookMove, 10);
8586 HandleMachineMove(savedMessage, savedState);
8589 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8590 static ChessProgramState *stalledEngine;
8591 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8594 HandleMachineMove (char *message, ChessProgramState *cps)
8596 static char firstLeg[20];
8597 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8598 char realname[MSG_SIZ];
8599 int fromX, fromY, toX, toY;
8601 char promoChar, roar;
8603 int machineWhite, oldError;
8606 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8607 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8608 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8609 DisplayError(_("Invalid pairing from pairing engine"), 0);
8612 pairingReceived = 1;
8614 return; // Skim the pairing messages here.
8617 oldError = cps->userError; cps->userError = 0;
8619 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8621 * Kludge to ignore BEL characters
8623 while (*message == '\007') message++;
8626 * [HGM] engine debug message: ignore lines starting with '#' character
8628 if(cps->debug && *message == '#') return;
8631 * Look for book output
8633 if (cps == &first && bookRequested) {
8634 if (message[0] == '\t' || message[0] == ' ') {
8635 /* Part of the book output is here; append it */
8636 strcat(bookOutput, message);
8637 strcat(bookOutput, " \n");
8639 } else if (bookOutput[0] != NULLCHAR) {
8640 /* All of book output has arrived; display it */
8641 char *p = bookOutput;
8642 while (*p != NULLCHAR) {
8643 if (*p == '\t') *p = ' ';
8646 DisplayInformation(bookOutput);
8647 bookRequested = FALSE;
8648 /* Fall through to parse the current output */
8653 * Look for machine move.
8655 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8656 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8658 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8659 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8660 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8661 stalledEngine = cps;
8662 if(appData.ponderNextMove) { // bring opponent out of ponder
8663 if(gameMode == TwoMachinesPlay) {
8664 if(cps->other->pause)
8665 PauseEngine(cps->other);
8667 SendToProgram("easy\n", cps->other);
8676 /* This method is only useful on engines that support ping */
8677 if(abortEngineThink) {
8678 if (appData.debugMode) {
8679 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8681 SendToProgram("undo\n", cps);
8685 if (cps->lastPing != cps->lastPong) {
8686 /* Extra move from before last new; ignore */
8687 if (appData.debugMode) {
8688 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8696 case BeginningOfGame:
8697 /* Extra move from before last reset; ignore */
8698 if (appData.debugMode) {
8699 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8706 /* Extra move after we tried to stop. The mode test is
8707 not a reliable way of detecting this problem, but it's
8708 the best we can do on engines that don't support ping.
8710 if (appData.debugMode) {
8711 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8712 cps->which, gameMode);
8714 SendToProgram("undo\n", cps);
8717 case MachinePlaysWhite:
8718 case IcsPlayingWhite:
8719 machineWhite = TRUE;
8722 case MachinePlaysBlack:
8723 case IcsPlayingBlack:
8724 machineWhite = FALSE;
8727 case TwoMachinesPlay:
8728 machineWhite = (cps->twoMachinesColor[0] == 'w');
8731 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8732 if (appData.debugMode) {
8734 "Ignoring move out of turn by %s, gameMode %d"
8735 ", forwardMost %d\n",
8736 cps->which, gameMode, forwardMostMove);
8742 if(cps->alphaRank) AlphaRank(machineMove, 4);
8744 // [HGM] lion: (some very limited) support for Alien protocol
8745 killX = killY = kill2X = kill2Y = -1;
8746 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8747 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8750 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8751 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8752 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8754 if(firstLeg[0]) { // there was a previous leg;
8755 // only support case where same piece makes two step
8756 char buf[20], *p = machineMove+1, *q = buf+1, f;
8757 safeStrCpy(buf, machineMove, 20);
8758 while(isdigit(*q)) q++; // find start of to-square
8759 safeStrCpy(machineMove, firstLeg, 20);
8760 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8761 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8762 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8763 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8764 firstLeg[0] = NULLCHAR;
8767 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8768 &fromX, &fromY, &toX, &toY, &promoChar)) {
8769 /* Machine move could not be parsed; ignore it. */
8770 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8771 machineMove, _(cps->which));
8772 DisplayMoveError(buf1);
8773 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8774 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8775 if (gameMode == TwoMachinesPlay) {
8776 GameEnds(machineWhite ? BlackWins : WhiteWins,
8782 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8783 /* So we have to redo legality test with true e.p. status here, */
8784 /* to make sure an illegal e.p. capture does not slip through, */
8785 /* to cause a forfeit on a justified illegal-move complaint */
8786 /* of the opponent. */
8787 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8789 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8790 fromY, fromX, toY, toX, promoChar);
8791 if(moveType == IllegalMove) {
8792 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8793 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8794 GameEnds(machineWhite ? BlackWins : WhiteWins,
8797 } else if(!appData.fischerCastling)
8798 /* [HGM] Kludge to handle engines that send FRC-style castling
8799 when they shouldn't (like TSCP-Gothic) */
8801 case WhiteASideCastleFR:
8802 case BlackASideCastleFR:
8804 currentMoveString[2]++;
8806 case WhiteHSideCastleFR:
8807 case BlackHSideCastleFR:
8809 currentMoveString[2]--;
8811 default: ; // nothing to do, but suppresses warning of pedantic compilers
8814 hintRequested = FALSE;
8815 lastHint[0] = NULLCHAR;
8816 bookRequested = FALSE;
8817 /* Program may be pondering now */
8818 cps->maybeThinking = TRUE;
8819 if (cps->sendTime == 2) cps->sendTime = 1;
8820 if (cps->offeredDraw) cps->offeredDraw--;
8822 /* [AS] Save move info*/
8823 pvInfoList[ forwardMostMove ].score = programStats.score;
8824 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8825 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8827 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8829 /* Test suites abort the 'game' after one move */
8830 if(*appData.finger) {
8832 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8833 if(!f) f = fopen(appData.finger, "w");
8834 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8835 else { DisplayFatalError("Bad output file", errno, 0); return; }
8837 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8840 if(solvingTime >= 0) {
8841 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8842 totalTime += solvingTime; first.matchWins++;
8844 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8847 OutputKibitz(2, buf1);
8848 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8851 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8852 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8855 while( count < adjudicateLossPlies ) {
8856 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8859 score = -score; /* Flip score for winning side */
8862 if( score > appData.adjudicateLossThreshold ) {
8869 if( count >= adjudicateLossPlies ) {
8870 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8872 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8873 "Xboard adjudication",
8880 if(Adjudicate(cps)) {
8881 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8882 return; // [HGM] adjudicate: for all automatic game ends
8886 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8888 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8889 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8891 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8893 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8895 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8896 char buf[3*MSG_SIZ];
8898 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8899 programStats.score / 100.,
8901 programStats.time / 100.,
8902 (unsigned int)programStats.nodes,
8903 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8904 programStats.movelist);
8910 /* [AS] Clear stats for next move */
8911 ClearProgramStats();
8912 thinkOutput[0] = NULLCHAR;
8913 hiddenThinkOutputState = 0;
8916 if (gameMode == TwoMachinesPlay) {
8917 /* [HGM] relaying draw offers moved to after reception of move */
8918 /* and interpreting offer as claim if it brings draw condition */
8919 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8920 SendToProgram("draw\n", cps->other);
8922 if (cps->other->sendTime) {
8923 SendTimeRemaining(cps->other,
8924 cps->other->twoMachinesColor[0] == 'w');
8926 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8927 if (firstMove && !bookHit) {
8929 if (cps->other->useColors) {
8930 SendToProgram(cps->other->twoMachinesColor, cps->other);
8932 SendToProgram("go\n", cps->other);
8934 cps->other->maybeThinking = TRUE;
8937 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8939 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8941 if (!pausing && appData.ringBellAfterMoves) {
8942 if(!roar) RingBell();
8946 * Reenable menu items that were disabled while
8947 * machine was thinking
8949 if (gameMode != TwoMachinesPlay)
8950 SetUserThinkingEnables();
8952 // [HGM] book: after book hit opponent has received move and is now in force mode
8953 // force the book reply into it, and then fake that it outputted this move by jumping
8954 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8956 static char bookMove[MSG_SIZ]; // a bit generous?
8958 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8959 strcat(bookMove, bookHit);
8962 programStats.nodes = programStats.depth = programStats.time =
8963 programStats.score = programStats.got_only_move = 0;
8964 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8966 if(cps->lastPing != cps->lastPong) {
8967 savedMessage = message; // args for deferred call
8969 ScheduleDelayedEvent(DeferredBookMove, 10);
8978 /* Set special modes for chess engines. Later something general
8979 * could be added here; for now there is just one kludge feature,
8980 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8981 * when "xboard" is given as an interactive command.
8983 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8984 cps->useSigint = FALSE;
8985 cps->useSigterm = FALSE;
8987 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8988 ParseFeatures(message+8, cps);
8989 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8992 if (!strncmp(message, "setup ", 6) &&
8993 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8994 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8995 ) { // [HGM] allow first engine to define opening position
8996 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8997 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8999 if(sscanf(message, "setup (%s", buf) == 1) {
9000 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9001 ASSIGN(appData.pieceToCharTable, buf);
9003 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9005 while(message[s] && message[s++] != ' ');
9006 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9007 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9008 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9009 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9010 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9011 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9012 startedFromSetupPosition = FALSE;
9015 if(startedFromSetupPosition) return;
9016 ParseFEN(boards[0], &dummy, message+s, FALSE);
9017 DrawPosition(TRUE, boards[0]);
9018 CopyBoard(initialPosition, boards[0]);
9019 startedFromSetupPosition = TRUE;
9022 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9023 ChessSquare piece = WhitePawn;
9024 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9025 if(*p == '+') piece = CHUPROMOTED WhitePawn, ID = *++p;
9026 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9027 piece += CharToPiece(ID & 255) - WhitePawn;
9028 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9029 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9030 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9031 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9032 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9033 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9034 && gameInfo.variant != VariantGreat
9035 && gameInfo.variant != VariantFairy ) return;
9036 if(piece < EmptySquare) {
9038 ASSIGN(pieceDesc[piece], buf1);
9039 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9043 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9044 * want this, I was asked to put it in, and obliged.
9046 if (!strncmp(message, "setboard ", 9)) {
9047 Board initial_position;
9049 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9051 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9052 DisplayError(_("Bad FEN received from engine"), 0);
9056 CopyBoard(boards[0], initial_position);
9057 initialRulePlies = FENrulePlies;
9058 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9059 else gameMode = MachinePlaysBlack;
9060 DrawPosition(FALSE, boards[currentMove]);
9066 * Look for communication commands
9068 if (!strncmp(message, "telluser ", 9)) {
9069 if(message[9] == '\\' && message[10] == '\\')
9070 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9072 DisplayNote(message + 9);
9075 if (!strncmp(message, "tellusererror ", 14)) {
9077 if(message[14] == '\\' && message[15] == '\\')
9078 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9080 DisplayError(message + 14, 0);
9083 if (!strncmp(message, "tellopponent ", 13)) {
9084 if (appData.icsActive) {
9086 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9090 DisplayNote(message + 13);
9094 if (!strncmp(message, "tellothers ", 11)) {
9095 if (appData.icsActive) {
9097 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9100 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9103 if (!strncmp(message, "tellall ", 8)) {
9104 if (appData.icsActive) {
9106 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9110 DisplayNote(message + 8);
9114 if (strncmp(message, "warning", 7) == 0) {
9115 /* Undocumented feature, use tellusererror in new code */
9116 DisplayError(message, 0);
9119 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9120 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9121 strcat(realname, " query");
9122 AskQuestion(realname, buf2, buf1, cps->pr);
9125 /* Commands from the engine directly to ICS. We don't allow these to be
9126 * sent until we are logged on. Crafty kibitzes have been known to
9127 * interfere with the login process.
9130 if (!strncmp(message, "tellics ", 8)) {
9131 SendToICS(message + 8);
9135 if (!strncmp(message, "tellicsnoalias ", 15)) {
9136 SendToICS(ics_prefix);
9137 SendToICS(message + 15);
9141 /* The following are for backward compatibility only */
9142 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9143 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9144 SendToICS(ics_prefix);
9150 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9151 if(initPing == cps->lastPong) {
9152 if(gameInfo.variant == VariantUnknown) {
9153 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9154 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9155 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9159 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9160 abortEngineThink = FALSE;
9161 DisplayMessage("", "");
9166 if(!strncmp(message, "highlight ", 10)) {
9167 if(appData.testLegality && !*engineVariant && appData.markers) return;
9168 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9171 if(!strncmp(message, "click ", 6)) {
9172 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9173 if(appData.testLegality || !appData.oneClick) return;
9174 sscanf(message+6, "%c%d%c", &f, &y, &c);
9175 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9176 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9177 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9178 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9179 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9180 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9181 LeftClick(Release, lastLeftX, lastLeftY);
9182 controlKey = (c == ',');
9183 LeftClick(Press, x, y);
9184 LeftClick(Release, x, y);
9185 first.highlight = f;
9189 * If the move is illegal, cancel it and redraw the board.
9190 * Also deal with other error cases. Matching is rather loose
9191 * here to accommodate engines written before the spec.
9193 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9194 strncmp(message, "Error", 5) == 0) {
9195 if (StrStr(message, "name") ||
9196 StrStr(message, "rating") || StrStr(message, "?") ||
9197 StrStr(message, "result") || StrStr(message, "board") ||
9198 StrStr(message, "bk") || StrStr(message, "computer") ||
9199 StrStr(message, "variant") || StrStr(message, "hint") ||
9200 StrStr(message, "random") || StrStr(message, "depth") ||
9201 StrStr(message, "accepted")) {
9204 if (StrStr(message, "protover")) {
9205 /* Program is responding to input, so it's apparently done
9206 initializing, and this error message indicates it is
9207 protocol version 1. So we don't need to wait any longer
9208 for it to initialize and send feature commands. */
9209 FeatureDone(cps, 1);
9210 cps->protocolVersion = 1;
9213 cps->maybeThinking = FALSE;
9215 if (StrStr(message, "draw")) {
9216 /* Program doesn't have "draw" command */
9217 cps->sendDrawOffers = 0;
9220 if (cps->sendTime != 1 &&
9221 (StrStr(message, "time") || StrStr(message, "otim"))) {
9222 /* Program apparently doesn't have "time" or "otim" command */
9226 if (StrStr(message, "analyze")) {
9227 cps->analysisSupport = FALSE;
9228 cps->analyzing = FALSE;
9229 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9230 EditGameEvent(); // [HGM] try to preserve loaded game
9231 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9232 DisplayError(buf2, 0);
9235 if (StrStr(message, "(no matching move)st")) {
9236 /* Special kludge for GNU Chess 4 only */
9237 cps->stKludge = TRUE;
9238 SendTimeControl(cps, movesPerSession, timeControl,
9239 timeIncrement, appData.searchDepth,
9243 if (StrStr(message, "(no matching move)sd")) {
9244 /* Special kludge for GNU Chess 4 only */
9245 cps->sdKludge = TRUE;
9246 SendTimeControl(cps, movesPerSession, timeControl,
9247 timeIncrement, appData.searchDepth,
9251 if (!StrStr(message, "llegal")) {
9254 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9255 gameMode == IcsIdle) return;
9256 if (forwardMostMove <= backwardMostMove) return;
9257 if (pausing) PauseEvent();
9258 if(appData.forceIllegal) {
9259 // [HGM] illegal: machine refused move; force position after move into it
9260 SendToProgram("force\n", cps);
9261 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9262 // we have a real problem now, as SendBoard will use the a2a3 kludge
9263 // when black is to move, while there might be nothing on a2 or black
9264 // might already have the move. So send the board as if white has the move.
9265 // But first we must change the stm of the engine, as it refused the last move
9266 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9267 if(WhiteOnMove(forwardMostMove)) {
9268 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9269 SendBoard(cps, forwardMostMove); // kludgeless board
9271 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9272 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9273 SendBoard(cps, forwardMostMove+1); // kludgeless board
9275 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9276 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9277 gameMode == TwoMachinesPlay)
9278 SendToProgram("go\n", cps);
9281 if (gameMode == PlayFromGameFile) {
9282 /* Stop reading this game file */
9283 gameMode = EditGame;
9286 /* [HGM] illegal-move claim should forfeit game when Xboard */
9287 /* only passes fully legal moves */
9288 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9289 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9290 "False illegal-move claim", GE_XBOARD );
9291 return; // do not take back move we tested as valid
9293 currentMove = forwardMostMove-1;
9294 DisplayMove(currentMove-1); /* before DisplayMoveError */
9295 SwitchClocks(forwardMostMove-1); // [HGM] race
9296 DisplayBothClocks();
9297 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9298 parseList[currentMove], _(cps->which));
9299 DisplayMoveError(buf1);
9300 DrawPosition(FALSE, boards[currentMove]);
9302 SetUserThinkingEnables();
9305 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9306 /* Program has a broken "time" command that
9307 outputs a string not ending in newline.
9311 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9312 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9313 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9317 * If chess program startup fails, exit with an error message.
9318 * Attempts to recover here are futile. [HGM] Well, we try anyway
9320 if ((StrStr(message, "unknown host") != NULL)
9321 || (StrStr(message, "No remote directory") != NULL)
9322 || (StrStr(message, "not found") != NULL)
9323 || (StrStr(message, "No such file") != NULL)
9324 || (StrStr(message, "can't alloc") != NULL)
9325 || (StrStr(message, "Permission denied") != NULL)) {
9327 cps->maybeThinking = FALSE;
9328 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9329 _(cps->which), cps->program, cps->host, message);
9330 RemoveInputSource(cps->isr);
9331 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9332 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9333 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9339 * Look for hint output
9341 if (sscanf(message, "Hint: %s", buf1) == 1) {
9342 if (cps == &first && hintRequested) {
9343 hintRequested = FALSE;
9344 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9345 &fromX, &fromY, &toX, &toY, &promoChar)) {
9346 (void) CoordsToAlgebraic(boards[forwardMostMove],
9347 PosFlags(forwardMostMove),
9348 fromY, fromX, toY, toX, promoChar, buf1);
9349 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9350 DisplayInformation(buf2);
9352 /* Hint move could not be parsed!? */
9353 snprintf(buf2, sizeof(buf2),
9354 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9355 buf1, _(cps->which));
9356 DisplayError(buf2, 0);
9359 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9365 * Ignore other messages if game is not in progress
9367 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9368 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9371 * look for win, lose, draw, or draw offer
9373 if (strncmp(message, "1-0", 3) == 0) {
9374 char *p, *q, *r = "";
9375 p = strchr(message, '{');
9383 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9385 } else if (strncmp(message, "0-1", 3) == 0) {
9386 char *p, *q, *r = "";
9387 p = strchr(message, '{');
9395 /* Kludge for Arasan 4.1 bug */
9396 if (strcmp(r, "Black resigns") == 0) {
9397 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9400 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9402 } else if (strncmp(message, "1/2", 3) == 0) {
9403 char *p, *q, *r = "";
9404 p = strchr(message, '{');
9413 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9416 } else if (strncmp(message, "White resign", 12) == 0) {
9417 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9419 } else if (strncmp(message, "Black resign", 12) == 0) {
9420 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9422 } else if (strncmp(message, "White matches", 13) == 0 ||
9423 strncmp(message, "Black matches", 13) == 0 ) {
9424 /* [HGM] ignore GNUShogi noises */
9426 } else if (strncmp(message, "White", 5) == 0 &&
9427 message[5] != '(' &&
9428 StrStr(message, "Black") == NULL) {
9429 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9431 } else if (strncmp(message, "Black", 5) == 0 &&
9432 message[5] != '(') {
9433 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9435 } else if (strcmp(message, "resign") == 0 ||
9436 strcmp(message, "computer resigns") == 0) {
9438 case MachinePlaysBlack:
9439 case IcsPlayingBlack:
9440 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9442 case MachinePlaysWhite:
9443 case IcsPlayingWhite:
9444 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9446 case TwoMachinesPlay:
9447 if (cps->twoMachinesColor[0] == 'w')
9448 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9450 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9457 } else if (strncmp(message, "opponent mates", 14) == 0) {
9459 case MachinePlaysBlack:
9460 case IcsPlayingBlack:
9461 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9463 case MachinePlaysWhite:
9464 case IcsPlayingWhite:
9465 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9467 case TwoMachinesPlay:
9468 if (cps->twoMachinesColor[0] == 'w')
9469 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9471 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9478 } else if (strncmp(message, "computer mates", 14) == 0) {
9480 case MachinePlaysBlack:
9481 case IcsPlayingBlack:
9482 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9484 case MachinePlaysWhite:
9485 case IcsPlayingWhite:
9486 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9488 case TwoMachinesPlay:
9489 if (cps->twoMachinesColor[0] == 'w')
9490 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9492 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9499 } else if (strncmp(message, "checkmate", 9) == 0) {
9500 if (WhiteOnMove(forwardMostMove)) {
9501 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9503 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9506 } else if (strstr(message, "Draw") != NULL ||
9507 strstr(message, "game is a draw") != NULL) {
9508 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9510 } else if (strstr(message, "offer") != NULL &&
9511 strstr(message, "draw") != NULL) {
9513 if (appData.zippyPlay && first.initDone) {
9514 /* Relay offer to ICS */
9515 SendToICS(ics_prefix);
9516 SendToICS("draw\n");
9519 cps->offeredDraw = 2; /* valid until this engine moves twice */
9520 if (gameMode == TwoMachinesPlay) {
9521 if (cps->other->offeredDraw) {
9522 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9523 /* [HGM] in two-machine mode we delay relaying draw offer */
9524 /* until after we also have move, to see if it is really claim */
9526 } else if (gameMode == MachinePlaysWhite ||
9527 gameMode == MachinePlaysBlack) {
9528 if (userOfferedDraw) {
9529 DisplayInformation(_("Machine accepts your draw offer"));
9530 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9532 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9539 * Look for thinking output
9541 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9542 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9544 int plylev, mvleft, mvtot, curscore, time;
9545 char mvname[MOVE_LEN];
9549 int prefixHint = FALSE;
9550 mvname[0] = NULLCHAR;
9553 case MachinePlaysBlack:
9554 case IcsPlayingBlack:
9555 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9557 case MachinePlaysWhite:
9558 case IcsPlayingWhite:
9559 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9564 case IcsObserving: /* [DM] icsEngineAnalyze */
9565 if (!appData.icsEngineAnalyze) ignore = TRUE;
9567 case TwoMachinesPlay:
9568 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9578 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9580 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9581 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9582 char score_buf[MSG_SIZ];
9584 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9585 nodes += u64Const(0x100000000);
9587 if (plyext != ' ' && plyext != '\t') {
9591 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9592 if( cps->scoreIsAbsolute &&
9593 ( gameMode == MachinePlaysBlack ||
9594 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9595 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9596 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9597 !WhiteOnMove(currentMove)
9600 curscore = -curscore;
9603 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9605 if(*bestMove) { // rememer time best EPD move was first found
9606 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9608 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9609 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9610 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9613 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9616 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9617 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9618 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9619 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9620 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9621 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9625 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9626 DisplayError(_("failed writing PV"), 0);
9629 tempStats.depth = plylev;
9630 tempStats.nodes = nodes;
9631 tempStats.time = time;
9632 tempStats.score = curscore;
9633 tempStats.got_only_move = 0;
9635 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9638 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9639 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9640 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9641 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9642 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9643 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9644 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9645 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9648 /* Buffer overflow protection */
9649 if (pv[0] != NULLCHAR) {
9650 if (strlen(pv) >= sizeof(tempStats.movelist)
9651 && appData.debugMode) {
9653 "PV is too long; using the first %u bytes.\n",
9654 (unsigned) sizeof(tempStats.movelist) - 1);
9657 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9659 sprintf(tempStats.movelist, " no PV\n");
9662 if (tempStats.seen_stat) {
9663 tempStats.ok_to_send = 1;
9666 if (strchr(tempStats.movelist, '(') != NULL) {
9667 tempStats.line_is_book = 1;
9668 tempStats.nr_moves = 0;
9669 tempStats.moves_left = 0;
9671 tempStats.line_is_book = 0;
9674 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9675 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9677 SendProgramStatsToFrontend( cps, &tempStats );
9680 [AS] Protect the thinkOutput buffer from overflow... this
9681 is only useful if buf1 hasn't overflowed first!
9683 if(curscore >= MATE_SCORE)
9684 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9685 else if(curscore <= -MATE_SCORE)
9686 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9688 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9689 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9691 (gameMode == TwoMachinesPlay ?
9692 ToUpper(cps->twoMachinesColor[0]) : ' '),
9694 prefixHint ? lastHint : "",
9695 prefixHint ? " " : "" );
9697 if( buf1[0] != NULLCHAR ) {
9698 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9700 if( strlen(pv) > max_len ) {
9701 if( appData.debugMode) {
9702 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9704 pv[max_len+1] = '\0';
9707 strcat( thinkOutput, pv);
9710 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9711 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9712 DisplayMove(currentMove - 1);
9716 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9717 /* crafty (9.25+) says "(only move) <move>"
9718 * if there is only 1 legal move
9720 sscanf(p, "(only move) %s", buf1);
9721 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9722 sprintf(programStats.movelist, "%s (only move)", buf1);
9723 programStats.depth = 1;
9724 programStats.nr_moves = 1;
9725 programStats.moves_left = 1;
9726 programStats.nodes = 1;
9727 programStats.time = 1;
9728 programStats.got_only_move = 1;
9730 /* Not really, but we also use this member to
9731 mean "line isn't going to change" (Crafty
9732 isn't searching, so stats won't change) */
9733 programStats.line_is_book = 1;
9735 SendProgramStatsToFrontend( cps, &programStats );
9737 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9738 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9739 DisplayMove(currentMove - 1);
9742 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9743 &time, &nodes, &plylev, &mvleft,
9744 &mvtot, mvname) >= 5) {
9745 /* The stat01: line is from Crafty (9.29+) in response
9746 to the "." command */
9747 programStats.seen_stat = 1;
9748 cps->maybeThinking = TRUE;
9750 if (programStats.got_only_move || !appData.periodicUpdates)
9753 programStats.depth = plylev;
9754 programStats.time = time;
9755 programStats.nodes = nodes;
9756 programStats.moves_left = mvleft;
9757 programStats.nr_moves = mvtot;
9758 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9759 programStats.ok_to_send = 1;
9760 programStats.movelist[0] = '\0';
9762 SendProgramStatsToFrontend( cps, &programStats );
9766 } else if (strncmp(message,"++",2) == 0) {
9767 /* Crafty 9.29+ outputs this */
9768 programStats.got_fail = 2;
9771 } else if (strncmp(message,"--",2) == 0) {
9772 /* Crafty 9.29+ outputs this */
9773 programStats.got_fail = 1;
9776 } else if (thinkOutput[0] != NULLCHAR &&
9777 strncmp(message, " ", 4) == 0) {
9778 unsigned message_len;
9781 while (*p && *p == ' ') p++;
9783 message_len = strlen( p );
9785 /* [AS] Avoid buffer overflow */
9786 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9787 strcat(thinkOutput, " ");
9788 strcat(thinkOutput, p);
9791 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9792 strcat(programStats.movelist, " ");
9793 strcat(programStats.movelist, p);
9796 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9797 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9798 DisplayMove(currentMove - 1);
9806 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9807 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9809 ChessProgramStats cpstats;
9811 if (plyext != ' ' && plyext != '\t') {
9815 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9816 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9817 curscore = -curscore;
9820 cpstats.depth = plylev;
9821 cpstats.nodes = nodes;
9822 cpstats.time = time;
9823 cpstats.score = curscore;
9824 cpstats.got_only_move = 0;
9825 cpstats.movelist[0] = '\0';
9827 if (buf1[0] != NULLCHAR) {
9828 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9831 cpstats.ok_to_send = 0;
9832 cpstats.line_is_book = 0;
9833 cpstats.nr_moves = 0;
9834 cpstats.moves_left = 0;
9836 SendProgramStatsToFrontend( cps, &cpstats );
9843 /* Parse a game score from the character string "game", and
9844 record it as the history of the current game. The game
9845 score is NOT assumed to start from the standard position.
9846 The display is not updated in any way.
9849 ParseGameHistory (char *game)
9852 int fromX, fromY, toX, toY, boardIndex;
9857 if (appData.debugMode)
9858 fprintf(debugFP, "Parsing game history: %s\n", game);
9860 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9861 gameInfo.site = StrSave(appData.icsHost);
9862 gameInfo.date = PGNDate();
9863 gameInfo.round = StrSave("-");
9865 /* Parse out names of players */
9866 while (*game == ' ') game++;
9868 while (*game != ' ') *p++ = *game++;
9870 gameInfo.white = StrSave(buf);
9871 while (*game == ' ') game++;
9873 while (*game != ' ' && *game != '\n') *p++ = *game++;
9875 gameInfo.black = StrSave(buf);
9878 boardIndex = blackPlaysFirst ? 1 : 0;
9881 yyboardindex = boardIndex;
9882 moveType = (ChessMove) Myylex();
9884 case IllegalMove: /* maybe suicide chess, etc. */
9885 if (appData.debugMode) {
9886 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9887 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9888 setbuf(debugFP, NULL);
9890 case WhitePromotion:
9891 case BlackPromotion:
9892 case WhiteNonPromotion:
9893 case BlackNonPromotion:
9896 case WhiteCapturesEnPassant:
9897 case BlackCapturesEnPassant:
9898 case WhiteKingSideCastle:
9899 case WhiteQueenSideCastle:
9900 case BlackKingSideCastle:
9901 case BlackQueenSideCastle:
9902 case WhiteKingSideCastleWild:
9903 case WhiteQueenSideCastleWild:
9904 case BlackKingSideCastleWild:
9905 case BlackQueenSideCastleWild:
9907 case WhiteHSideCastleFR:
9908 case WhiteASideCastleFR:
9909 case BlackHSideCastleFR:
9910 case BlackASideCastleFR:
9912 fromX = currentMoveString[0] - AAA;
9913 fromY = currentMoveString[1] - ONE;
9914 toX = currentMoveString[2] - AAA;
9915 toY = currentMoveString[3] - ONE;
9916 promoChar = currentMoveString[4];
9920 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9921 fromX = moveType == WhiteDrop ?
9922 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9923 (int) CharToPiece(ToLower(currentMoveString[0]));
9925 toX = currentMoveString[2] - AAA;
9926 toY = currentMoveString[3] - ONE;
9927 promoChar = NULLCHAR;
9931 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9932 if (appData.debugMode) {
9933 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9934 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9935 setbuf(debugFP, NULL);
9937 DisplayError(buf, 0);
9939 case ImpossibleMove:
9941 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9942 if (appData.debugMode) {
9943 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9944 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9945 setbuf(debugFP, NULL);
9947 DisplayError(buf, 0);
9950 if (boardIndex < backwardMostMove) {
9951 /* Oops, gap. How did that happen? */
9952 DisplayError(_("Gap in move list"), 0);
9955 backwardMostMove = blackPlaysFirst ? 1 : 0;
9956 if (boardIndex > forwardMostMove) {
9957 forwardMostMove = boardIndex;
9961 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9962 strcat(parseList[boardIndex-1], " ");
9963 strcat(parseList[boardIndex-1], yy_text);
9975 case GameUnfinished:
9976 if (gameMode == IcsExamining) {
9977 if (boardIndex < backwardMostMove) {
9978 /* Oops, gap. How did that happen? */
9981 backwardMostMove = blackPlaysFirst ? 1 : 0;
9984 gameInfo.result = moveType;
9985 p = strchr(yy_text, '{');
9986 if (p == NULL) p = strchr(yy_text, '(');
9989 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9991 q = strchr(p, *p == '{' ? '}' : ')');
9992 if (q != NULL) *q = NULLCHAR;
9995 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9996 gameInfo.resultDetails = StrSave(p);
9999 if (boardIndex >= forwardMostMove &&
10000 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10001 backwardMostMove = blackPlaysFirst ? 1 : 0;
10004 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10005 fromY, fromX, toY, toX, promoChar,
10006 parseList[boardIndex]);
10007 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10008 /* currentMoveString is set as a side-effect of yylex */
10009 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10010 strcat(moveList[boardIndex], "\n");
10012 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10013 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10019 if(!IS_SHOGI(gameInfo.variant))
10020 strcat(parseList[boardIndex - 1], "+");
10024 strcat(parseList[boardIndex - 1], "#");
10031 /* Apply a move to the given board */
10033 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10035 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10036 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10038 /* [HGM] compute & store e.p. status and castling rights for new position */
10039 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10041 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10042 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10043 board[EP_STATUS] = EP_NONE;
10044 board[EP_FILE] = board[EP_RANK] = 100;
10046 if (fromY == DROP_RANK) {
10047 /* must be first */
10048 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10049 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10052 piece = board[toY][toX] = (ChessSquare) fromX;
10054 // ChessSquare victim;
10057 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10058 // victim = board[killY][killX],
10059 killed = board[killY][killX],
10060 board[killY][killX] = EmptySquare,
10061 board[EP_STATUS] = EP_CAPTURE;
10062 if( kill2X >= 0 && kill2Y >= 0)
10063 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10066 if( board[toY][toX] != EmptySquare ) {
10067 board[EP_STATUS] = EP_CAPTURE;
10068 if( (fromX != toX || fromY != toY) && // not igui!
10069 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10070 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10071 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10075 pawn = board[fromY][fromX];
10076 if( pawn == WhiteLance || pawn == BlackLance ) {
10077 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10078 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10079 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10082 if( pawn == WhitePawn ) {
10083 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10084 board[EP_STATUS] = EP_PAWN_MOVE;
10085 if( toY-fromY>=2) {
10086 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10087 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10088 gameInfo.variant != VariantBerolina || toX < fromX)
10089 board[EP_STATUS] = toX | berolina;
10090 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10091 gameInfo.variant != VariantBerolina || toX > fromX)
10092 board[EP_STATUS] = toX;
10095 if( pawn == BlackPawn ) {
10096 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10097 board[EP_STATUS] = EP_PAWN_MOVE;
10098 if( toY-fromY<= -2) {
10099 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10100 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10101 gameInfo.variant != VariantBerolina || toX < fromX)
10102 board[EP_STATUS] = toX | berolina;
10103 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10104 gameInfo.variant != VariantBerolina || toX > fromX)
10105 board[EP_STATUS] = toX;
10109 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10110 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10111 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10112 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10114 for(i=0; i<nrCastlingRights; i++) {
10115 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10116 board[CASTLING][i] == toX && castlingRank[i] == toY
10117 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10120 if(gameInfo.variant == VariantSChess) { // update virginity
10121 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10122 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10123 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10124 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10127 if (fromX == toX && fromY == toY) return;
10129 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10130 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10131 if(gameInfo.variant == VariantKnightmate)
10132 king += (int) WhiteUnicorn - (int) WhiteKing;
10134 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10135 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10136 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10137 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10138 board[EP_STATUS] = EP_NONE; // capture was fake!
10140 /* Code added by Tord: */
10141 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10142 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10143 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10144 board[EP_STATUS] = EP_NONE; // capture was fake!
10145 board[fromY][fromX] = EmptySquare;
10146 board[toY][toX] = EmptySquare;
10147 if((toX > fromX) != (piece == WhiteRook)) {
10148 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10150 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10152 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10153 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10154 board[EP_STATUS] = EP_NONE;
10155 board[fromY][fromX] = EmptySquare;
10156 board[toY][toX] = EmptySquare;
10157 if((toX > fromX) != (piece == BlackRook)) {
10158 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10160 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10162 /* End of code added by Tord */
10164 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10165 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10166 board[toY][toX] = piece;
10167 } else if (board[fromY][fromX] == king
10168 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10169 && toY == fromY && toX > fromX+1) {
10170 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10171 board[fromY][toX-1] = board[fromY][rookX];
10172 board[fromY][rookX] = EmptySquare;
10173 board[fromY][fromX] = EmptySquare;
10174 board[toY][toX] = king;
10175 } else if (board[fromY][fromX] == king
10176 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10177 && toY == fromY && toX < fromX-1) {
10178 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10179 board[fromY][toX+1] = board[fromY][rookX];
10180 board[fromY][rookX] = EmptySquare;
10181 board[fromY][fromX] = EmptySquare;
10182 board[toY][toX] = king;
10183 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10184 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10185 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10187 /* white pawn promotion */
10188 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10189 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10190 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10191 board[fromY][fromX] = EmptySquare;
10192 } else if ((fromY >= BOARD_HEIGHT>>1)
10193 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10195 && gameInfo.variant != VariantXiangqi
10196 && gameInfo.variant != VariantBerolina
10197 && (pawn == WhitePawn)
10198 && (board[toY][toX] == EmptySquare)) {
10199 board[fromY][fromX] = EmptySquare;
10200 board[toY][toX] = piece;
10201 if(toY == epRank - 128 + 1)
10202 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10204 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10205 } else if ((fromY == BOARD_HEIGHT-4)
10207 && gameInfo.variant == VariantBerolina
10208 && (board[fromY][fromX] == WhitePawn)
10209 && (board[toY][toX] == EmptySquare)) {
10210 board[fromY][fromX] = EmptySquare;
10211 board[toY][toX] = WhitePawn;
10212 if(oldEP & EP_BEROLIN_A) {
10213 captured = board[fromY][fromX-1];
10214 board[fromY][fromX-1] = EmptySquare;
10215 }else{ captured = board[fromY][fromX+1];
10216 board[fromY][fromX+1] = EmptySquare;
10218 } else if (board[fromY][fromX] == king
10219 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10220 && toY == fromY && toX > fromX+1) {
10221 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10222 board[fromY][toX-1] = board[fromY][rookX];
10223 board[fromY][rookX] = EmptySquare;
10224 board[fromY][fromX] = EmptySquare;
10225 board[toY][toX] = king;
10226 } else if (board[fromY][fromX] == king
10227 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10228 && toY == fromY && toX < fromX-1) {
10229 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10230 board[fromY][toX+1] = board[fromY][rookX];
10231 board[fromY][rookX] = EmptySquare;
10232 board[fromY][fromX] = EmptySquare;
10233 board[toY][toX] = king;
10234 } else if (fromY == 7 && fromX == 3
10235 && board[fromY][fromX] == BlackKing
10236 && toY == 7 && toX == 5) {
10237 board[fromY][fromX] = EmptySquare;
10238 board[toY][toX] = BlackKing;
10239 board[fromY][7] = EmptySquare;
10240 board[toY][4] = BlackRook;
10241 } else if (fromY == 7 && fromX == 3
10242 && board[fromY][fromX] == BlackKing
10243 && toY == 7 && toX == 1) {
10244 board[fromY][fromX] = EmptySquare;
10245 board[toY][toX] = BlackKing;
10246 board[fromY][0] = EmptySquare;
10247 board[toY][2] = BlackRook;
10248 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10249 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10250 && toY < promoRank && promoChar
10252 /* black pawn promotion */
10253 board[toY][toX] = CharToPiece(ToLower(promoChar));
10254 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10255 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10256 board[fromY][fromX] = EmptySquare;
10257 } else if ((fromY < BOARD_HEIGHT>>1)
10258 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10260 && gameInfo.variant != VariantXiangqi
10261 && gameInfo.variant != VariantBerolina
10262 && (pawn == BlackPawn)
10263 && (board[toY][toX] == EmptySquare)) {
10264 board[fromY][fromX] = EmptySquare;
10265 board[toY][toX] = piece;
10266 if(toY == epRank - 128 - 1)
10267 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10269 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10270 } else if ((fromY == 3)
10272 && gameInfo.variant == VariantBerolina
10273 && (board[fromY][fromX] == BlackPawn)
10274 && (board[toY][toX] == EmptySquare)) {
10275 board[fromY][fromX] = EmptySquare;
10276 board[toY][toX] = BlackPawn;
10277 if(oldEP & EP_BEROLIN_A) {
10278 captured = board[fromY][fromX-1];
10279 board[fromY][fromX-1] = EmptySquare;
10280 }else{ captured = board[fromY][fromX+1];
10281 board[fromY][fromX+1] = EmptySquare;
10284 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10285 board[fromY][fromX] = EmptySquare;
10286 board[toY][toX] = piece;
10290 if (gameInfo.holdingsWidth != 0) {
10292 /* !!A lot more code needs to be written to support holdings */
10293 /* [HGM] OK, so I have written it. Holdings are stored in the */
10294 /* penultimate board files, so they are automaticlly stored */
10295 /* in the game history. */
10296 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10297 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10298 /* Delete from holdings, by decreasing count */
10299 /* and erasing image if necessary */
10300 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10301 if(p < (int) BlackPawn) { /* white drop */
10302 p -= (int)WhitePawn;
10303 p = PieceToNumber((ChessSquare)p);
10304 if(p >= gameInfo.holdingsSize) p = 0;
10305 if(--board[p][BOARD_WIDTH-2] <= 0)
10306 board[p][BOARD_WIDTH-1] = EmptySquare;
10307 if((int)board[p][BOARD_WIDTH-2] < 0)
10308 board[p][BOARD_WIDTH-2] = 0;
10309 } else { /* black drop */
10310 p -= (int)BlackPawn;
10311 p = PieceToNumber((ChessSquare)p);
10312 if(p >= gameInfo.holdingsSize) p = 0;
10313 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10314 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10315 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10316 board[BOARD_HEIGHT-1-p][1] = 0;
10319 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10320 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10321 /* [HGM] holdings: Add to holdings, if holdings exist */
10322 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10323 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10324 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10326 p = (int) captured;
10327 if (p >= (int) BlackPawn) {
10328 p -= (int)BlackPawn;
10329 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10330 /* Restore shogi-promoted piece to its original first */
10331 captured = (ChessSquare) (DEMOTED captured);
10334 p = PieceToNumber((ChessSquare)p);
10335 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10336 board[p][BOARD_WIDTH-2]++;
10337 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10339 p -= (int)WhitePawn;
10340 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10341 captured = (ChessSquare) (DEMOTED captured);
10344 p = PieceToNumber((ChessSquare)p);
10345 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10346 board[BOARD_HEIGHT-1-p][1]++;
10347 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10350 } else if (gameInfo.variant == VariantAtomic) {
10351 if (captured != EmptySquare) {
10353 for (y = toY-1; y <= toY+1; y++) {
10354 for (x = toX-1; x <= toX+1; x++) {
10355 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10356 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10357 board[y][x] = EmptySquare;
10361 board[toY][toX] = EmptySquare;
10365 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10366 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10368 if(promoChar == '+') {
10369 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10370 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10371 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10372 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10373 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10374 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10375 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10376 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10377 board[toY][toX] = newPiece;
10379 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10380 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10381 // [HGM] superchess: take promotion piece out of holdings
10382 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10383 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10384 if(!--board[k][BOARD_WIDTH-2])
10385 board[k][BOARD_WIDTH-1] = EmptySquare;
10387 if(!--board[BOARD_HEIGHT-1-k][1])
10388 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10393 /* Updates forwardMostMove */
10395 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10397 int x = toX, y = toY;
10398 char *s = parseList[forwardMostMove];
10399 ChessSquare p = boards[forwardMostMove][toY][toX];
10400 // forwardMostMove++; // [HGM] bare: moved downstream
10402 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10403 (void) CoordsToAlgebraic(boards[forwardMostMove],
10404 PosFlags(forwardMostMove),
10405 fromY, fromX, y, x, promoChar,
10407 if(killX >= 0 && killY >= 0)
10408 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10410 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10411 int timeLeft; static int lastLoadFlag=0; int king, piece;
10412 piece = boards[forwardMostMove][fromY][fromX];
10413 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10414 if(gameInfo.variant == VariantKnightmate)
10415 king += (int) WhiteUnicorn - (int) WhiteKing;
10416 if(forwardMostMove == 0) {
10417 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10418 fprintf(serverMoves, "%s;", UserName());
10419 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10420 fprintf(serverMoves, "%s;", second.tidy);
10421 fprintf(serverMoves, "%s;", first.tidy);
10422 if(gameMode == MachinePlaysWhite)
10423 fprintf(serverMoves, "%s;", UserName());
10424 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10425 fprintf(serverMoves, "%s;", second.tidy);
10426 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10427 lastLoadFlag = loadFlag;
10429 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10430 // print castling suffix
10431 if( toY == fromY && piece == king ) {
10433 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10435 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10438 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10439 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10440 boards[forwardMostMove][toY][toX] == EmptySquare
10441 && fromX != toX && fromY != toY)
10442 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10443 // promotion suffix
10444 if(promoChar != NULLCHAR) {
10445 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10446 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10447 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10448 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10451 char buf[MOVE_LEN*2], *p; int len;
10452 fprintf(serverMoves, "/%d/%d",
10453 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10454 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10455 else timeLeft = blackTimeRemaining/1000;
10456 fprintf(serverMoves, "/%d", timeLeft);
10457 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10458 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10459 if(p = strchr(buf, '=')) *p = NULLCHAR;
10460 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10461 fprintf(serverMoves, "/%s", buf);
10463 fflush(serverMoves);
10466 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10467 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10470 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10471 if (commentList[forwardMostMove+1] != NULL) {
10472 free(commentList[forwardMostMove+1]);
10473 commentList[forwardMostMove+1] = NULL;
10475 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10476 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10477 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10478 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10479 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10480 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10481 adjustedClock = FALSE;
10482 gameInfo.result = GameUnfinished;
10483 if (gameInfo.resultDetails != NULL) {
10484 free(gameInfo.resultDetails);
10485 gameInfo.resultDetails = NULL;
10487 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10488 moveList[forwardMostMove - 1]);
10489 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10495 if(!IS_SHOGI(gameInfo.variant))
10496 strcat(parseList[forwardMostMove - 1], "+");
10500 strcat(parseList[forwardMostMove - 1], "#");
10505 /* Updates currentMove if not pausing */
10507 ShowMove (int fromX, int fromY, int toX, int toY)
10509 int instant = (gameMode == PlayFromGameFile) ?
10510 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10511 if(appData.noGUI) return;
10512 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10514 if (forwardMostMove == currentMove + 1) {
10515 AnimateMove(boards[forwardMostMove - 1],
10516 fromX, fromY, toX, toY);
10519 currentMove = forwardMostMove;
10522 killX = killY = -1; // [HGM] lion: used up
10524 if (instant) return;
10526 DisplayMove(currentMove - 1);
10527 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10528 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10529 SetHighlights(fromX, fromY, toX, toY);
10532 DrawPosition(FALSE, boards[currentMove]);
10533 DisplayBothClocks();
10534 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10538 SendEgtPath (ChessProgramState *cps)
10539 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10540 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10542 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10545 char c, *q = name+1, *r, *s;
10547 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10548 while(*p && *p != ',') *q++ = *p++;
10549 *q++ = ':'; *q = 0;
10550 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10551 strcmp(name, ",nalimov:") == 0 ) {
10552 // take nalimov path from the menu-changeable option first, if it is defined
10553 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10554 SendToProgram(buf,cps); // send egtbpath command for nalimov
10556 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10557 (s = StrStr(appData.egtFormats, name)) != NULL) {
10558 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10559 s = r = StrStr(s, ":") + 1; // beginning of path info
10560 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10561 c = *r; *r = 0; // temporarily null-terminate path info
10562 *--q = 0; // strip of trailig ':' from name
10563 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10565 SendToProgram(buf,cps); // send egtbpath command for this format
10567 if(*p == ',') p++; // read away comma to position for next format name
10572 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10574 int width = 8, height = 8, holdings = 0; // most common sizes
10575 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10576 // correct the deviations default for each variant
10577 if( v == VariantXiangqi ) width = 9, height = 10;
10578 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10579 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10580 if( v == VariantCapablanca || v == VariantCapaRandom ||
10581 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10583 if( v == VariantCourier ) width = 12;
10584 if( v == VariantSuper ) holdings = 8;
10585 if( v == VariantGreat ) width = 10, holdings = 8;
10586 if( v == VariantSChess ) holdings = 7;
10587 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10588 if( v == VariantChuChess) width = 10, height = 10;
10589 if( v == VariantChu ) width = 12, height = 12;
10590 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10591 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10592 holdingsSize >= 0 && holdingsSize != holdings;
10595 char variantError[MSG_SIZ];
10598 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10599 { // returns error message (recognizable by upper-case) if engine does not support the variant
10600 char *p, *variant = VariantName(v);
10601 static char b[MSG_SIZ];
10602 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10603 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10604 holdingsSize, variant); // cook up sized variant name
10605 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10606 if(StrStr(list, b) == NULL) {
10607 // specific sized variant not known, check if general sizing allowed
10608 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10609 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10610 boardWidth, boardHeight, holdingsSize, engine);
10613 /* [HGM] here we really should compare with the maximum supported board size */
10615 } else snprintf(b, MSG_SIZ,"%s", variant);
10616 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10617 p = StrStr(list, b);
10618 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10620 // occurs not at all in list, or only as sub-string
10621 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10622 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10623 int l = strlen(variantError);
10625 while(p != list && p[-1] != ',') p--;
10626 q = strchr(p, ',');
10627 if(q) *q = NULLCHAR;
10628 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10637 InitChessProgram (ChessProgramState *cps, int setup)
10638 /* setup needed to setup FRC opening position */
10640 char buf[MSG_SIZ], *b;
10641 if (appData.noChessProgram) return;
10642 hintRequested = FALSE;
10643 bookRequested = FALSE;
10645 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10646 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10647 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10648 if(cps->memSize) { /* [HGM] memory */
10649 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10650 SendToProgram(buf, cps);
10652 SendEgtPath(cps); /* [HGM] EGT */
10653 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10654 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10655 SendToProgram(buf, cps);
10658 setboardSpoiledMachineBlack = FALSE;
10659 SendToProgram(cps->initString, cps);
10660 if (gameInfo.variant != VariantNormal &&
10661 gameInfo.variant != VariantLoadable
10662 /* [HGM] also send variant if board size non-standard */
10663 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10665 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10666 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10669 char c, *q = cps->variants, *p = strchr(q, ',');
10670 if(p) *p = NULLCHAR;
10671 v = StringToVariant(q);
10672 DisplayError(variantError, 0);
10673 if(v != VariantUnknown && cps == &first) {
10675 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10676 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10677 ASSIGN(appData.variant, q);
10678 Reset(TRUE, FALSE);
10684 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10685 SendToProgram(buf, cps);
10687 currentlyInitializedVariant = gameInfo.variant;
10689 /* [HGM] send opening position in FRC to first engine */
10691 SendToProgram("force\n", cps);
10693 /* engine is now in force mode! Set flag to wake it up after first move. */
10694 setboardSpoiledMachineBlack = 1;
10697 if (cps->sendICS) {
10698 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10699 SendToProgram(buf, cps);
10701 cps->maybeThinking = FALSE;
10702 cps->offeredDraw = 0;
10703 if (!appData.icsActive) {
10704 SendTimeControl(cps, movesPerSession, timeControl,
10705 timeIncrement, appData.searchDepth,
10708 if (appData.showThinking
10709 // [HGM] thinking: four options require thinking output to be sent
10710 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10712 SendToProgram("post\n", cps);
10714 SendToProgram("hard\n", cps);
10715 if (!appData.ponderNextMove) {
10716 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10717 it without being sure what state we are in first. "hard"
10718 is not a toggle, so that one is OK.
10720 SendToProgram("easy\n", cps);
10722 if (cps->usePing) {
10723 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10724 SendToProgram(buf, cps);
10726 cps->initDone = TRUE;
10727 ClearEngineOutputPane(cps == &second);
10732 ResendOptions (ChessProgramState *cps)
10733 { // send the stored value of the options
10736 Option *opt = cps->option;
10737 for(i=0; i<cps->nrOptions; i++, opt++) {
10738 switch(opt->type) {
10742 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10745 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10748 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10754 SendToProgram(buf, cps);
10759 StartChessProgram (ChessProgramState *cps)
10764 if (appData.noChessProgram) return;
10765 cps->initDone = FALSE;
10767 if (strcmp(cps->host, "localhost") == 0) {
10768 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10769 } else if (*appData.remoteShell == NULLCHAR) {
10770 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10772 if (*appData.remoteUser == NULLCHAR) {
10773 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10776 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10777 cps->host, appData.remoteUser, cps->program);
10779 err = StartChildProcess(buf, "", &cps->pr);
10783 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10784 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10785 if(cps != &first) return;
10786 appData.noChessProgram = TRUE;
10789 // DisplayFatalError(buf, err, 1);
10790 // cps->pr = NoProc;
10791 // cps->isr = NULL;
10795 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10796 if (cps->protocolVersion > 1) {
10797 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10798 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10799 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10800 cps->comboCnt = 0; // and values of combo boxes
10802 SendToProgram(buf, cps);
10803 if(cps->reload) ResendOptions(cps);
10805 SendToProgram("xboard\n", cps);
10810 TwoMachinesEventIfReady P((void))
10812 static int curMess = 0;
10813 if (first.lastPing != first.lastPong) {
10814 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10815 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10818 if (second.lastPing != second.lastPong) {
10819 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10820 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10823 DisplayMessage("", ""); curMess = 0;
10824 TwoMachinesEvent();
10828 MakeName (char *template)
10832 static char buf[MSG_SIZ];
10836 clock = time((time_t *)NULL);
10837 tm = localtime(&clock);
10839 while(*p++ = *template++) if(p[-1] == '%') {
10840 switch(*template++) {
10841 case 0: *p = 0; return buf;
10842 case 'Y': i = tm->tm_year+1900; break;
10843 case 'y': i = tm->tm_year-100; break;
10844 case 'M': i = tm->tm_mon+1; break;
10845 case 'd': i = tm->tm_mday; break;
10846 case 'h': i = tm->tm_hour; break;
10847 case 'm': i = tm->tm_min; break;
10848 case 's': i = tm->tm_sec; break;
10851 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10857 CountPlayers (char *p)
10860 while(p = strchr(p, '\n')) p++, n++; // count participants
10865 WriteTourneyFile (char *results, FILE *f)
10866 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10867 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10868 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10869 // create a file with tournament description
10870 fprintf(f, "-participants {%s}\n", appData.participants);
10871 fprintf(f, "-seedBase %d\n", appData.seedBase);
10872 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10873 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10874 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10875 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10876 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10877 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10878 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10879 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10880 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10881 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10882 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10883 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10884 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10885 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10886 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10887 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10888 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10889 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10890 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10891 fprintf(f, "-smpCores %d\n", appData.smpCores);
10893 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10895 fprintf(f, "-mps %d\n", appData.movesPerSession);
10896 fprintf(f, "-tc %s\n", appData.timeControl);
10897 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10899 fprintf(f, "-results \"%s\"\n", results);
10904 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10907 Substitute (char *participants, int expunge)
10909 int i, changed, changes=0, nPlayers=0;
10910 char *p, *q, *r, buf[MSG_SIZ];
10911 if(participants == NULL) return;
10912 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10913 r = p = participants; q = appData.participants;
10914 while(*p && *p == *q) {
10915 if(*p == '\n') r = p+1, nPlayers++;
10918 if(*p) { // difference
10919 while(*p && *p++ != '\n');
10920 while(*q && *q++ != '\n');
10921 changed = nPlayers;
10922 changes = 1 + (strcmp(p, q) != 0);
10924 if(changes == 1) { // a single engine mnemonic was changed
10925 q = r; while(*q) nPlayers += (*q++ == '\n');
10926 p = buf; while(*r && (*p = *r++) != '\n') p++;
10928 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10929 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10930 if(mnemonic[i]) { // The substitute is valid
10932 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10933 flock(fileno(f), LOCK_EX);
10934 ParseArgsFromFile(f);
10935 fseek(f, 0, SEEK_SET);
10936 FREE(appData.participants); appData.participants = participants;
10937 if(expunge) { // erase results of replaced engine
10938 int len = strlen(appData.results), w, b, dummy;
10939 for(i=0; i<len; i++) {
10940 Pairing(i, nPlayers, &w, &b, &dummy);
10941 if((w == changed || b == changed) && appData.results[i] == '*') {
10942 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10947 for(i=0; i<len; i++) {
10948 Pairing(i, nPlayers, &w, &b, &dummy);
10949 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10952 WriteTourneyFile(appData.results, f);
10953 fclose(f); // release lock
10956 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10958 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10959 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10960 free(participants);
10965 CheckPlayers (char *participants)
10968 char buf[MSG_SIZ], *p;
10969 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10970 while(p = strchr(participants, '\n')) {
10972 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10974 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10976 DisplayError(buf, 0);
10980 participants = p + 1;
10986 CreateTourney (char *name)
10989 if(matchMode && strcmp(name, appData.tourneyFile)) {
10990 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10992 if(name[0] == NULLCHAR) {
10993 if(appData.participants[0])
10994 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10997 f = fopen(name, "r");
10998 if(f) { // file exists
10999 ASSIGN(appData.tourneyFile, name);
11000 ParseArgsFromFile(f); // parse it
11002 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11003 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11004 DisplayError(_("Not enough participants"), 0);
11007 if(CheckPlayers(appData.participants)) return 0;
11008 ASSIGN(appData.tourneyFile, name);
11009 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11010 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11013 appData.noChessProgram = FALSE;
11014 appData.clockMode = TRUE;
11020 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11022 char buf[MSG_SIZ], *p, *q;
11023 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11024 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11025 skip = !all && group[0]; // if group requested, we start in skip mode
11026 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11027 p = names; q = buf; header = 0;
11028 while(*p && *p != '\n') *q++ = *p++;
11030 if(*p == '\n') p++;
11031 if(buf[0] == '#') {
11032 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11033 depth++; // we must be entering a new group
11034 if(all) continue; // suppress printing group headers when complete list requested
11036 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11038 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11039 if(engineList[i]) free(engineList[i]);
11040 engineList[i] = strdup(buf);
11041 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11042 if(engineMnemonic[i]) free(engineMnemonic[i]);
11043 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11045 sscanf(q + 8, "%s", buf + strlen(buf));
11048 engineMnemonic[i] = strdup(buf);
11051 engineList[i] = engineMnemonic[i] = NULL;
11055 // following implemented as macro to avoid type limitations
11056 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11059 SwapEngines (int n)
11060 { // swap settings for first engine and other engine (so far only some selected options)
11065 SWAP(chessProgram, p)
11067 SWAP(hasOwnBookUCI, h)
11068 SWAP(protocolVersion, h)
11070 SWAP(scoreIsAbsolute, h)
11075 SWAP(engOptions, p)
11076 SWAP(engInitString, p)
11077 SWAP(computerString, p)
11079 SWAP(fenOverride, p)
11081 SWAP(accumulateTC, h)
11088 GetEngineLine (char *s, int n)
11092 extern char *icsNames;
11093 if(!s || !*s) return 0;
11094 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11095 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11096 if(!mnemonic[i]) return 0;
11097 if(n == 11) return 1; // just testing if there was a match
11098 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11099 if(n == 1) SwapEngines(n);
11100 ParseArgsFromString(buf);
11101 if(n == 1) SwapEngines(n);
11102 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11103 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11104 ParseArgsFromString(buf);
11110 SetPlayer (int player, char *p)
11111 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11113 char buf[MSG_SIZ], *engineName;
11114 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11115 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11116 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11118 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11119 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11120 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11121 ParseArgsFromString(buf);
11122 } else { // no engine with this nickname is installed!
11123 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11124 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11125 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11127 DisplayError(buf, 0);
11134 char *recentEngines;
11137 RecentEngineEvent (int nr)
11140 // SwapEngines(1); // bump first to second
11141 // ReplaceEngine(&second, 1); // and load it there
11142 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11143 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11144 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11145 ReplaceEngine(&first, 0);
11146 FloatToFront(&appData.recentEngineList, command[n]);
11151 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11152 { // determine players from game number
11153 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11155 if(appData.tourneyType == 0) {
11156 roundsPerCycle = (nPlayers - 1) | 1;
11157 pairingsPerRound = nPlayers / 2;
11158 } else if(appData.tourneyType > 0) {
11159 roundsPerCycle = nPlayers - appData.tourneyType;
11160 pairingsPerRound = appData.tourneyType;
11162 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11163 gamesPerCycle = gamesPerRound * roundsPerCycle;
11164 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11165 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11166 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11167 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11168 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11169 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11171 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11172 if(appData.roundSync) *syncInterval = gamesPerRound;
11174 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11176 if(appData.tourneyType == 0) {
11177 if(curPairing == (nPlayers-1)/2 ) {
11178 *whitePlayer = curRound;
11179 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11181 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11182 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11183 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11184 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11186 } else if(appData.tourneyType > 1) {
11187 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11188 *whitePlayer = curRound + appData.tourneyType;
11189 } else if(appData.tourneyType > 0) {
11190 *whitePlayer = curPairing;
11191 *blackPlayer = curRound + appData.tourneyType;
11194 // take care of white/black alternation per round.
11195 // For cycles and games this is already taken care of by default, derived from matchGame!
11196 return curRound & 1;
11200 NextTourneyGame (int nr, int *swapColors)
11201 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11203 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11205 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11206 tf = fopen(appData.tourneyFile, "r");
11207 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11208 ParseArgsFromFile(tf); fclose(tf);
11209 InitTimeControls(); // TC might be altered from tourney file
11211 nPlayers = CountPlayers(appData.participants); // count participants
11212 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11213 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11216 p = q = appData.results;
11217 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11218 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11219 DisplayMessage(_("Waiting for other game(s)"),"");
11220 waitingForGame = TRUE;
11221 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11224 waitingForGame = FALSE;
11227 if(appData.tourneyType < 0) {
11228 if(nr>=0 && !pairingReceived) {
11230 if(pairing.pr == NoProc) {
11231 if(!appData.pairingEngine[0]) {
11232 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11235 StartChessProgram(&pairing); // starts the pairing engine
11237 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11238 SendToProgram(buf, &pairing);
11239 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11240 SendToProgram(buf, &pairing);
11241 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11243 pairingReceived = 0; // ... so we continue here
11245 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11246 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11247 matchGame = 1; roundNr = nr / syncInterval + 1;
11250 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11252 // redefine engines, engine dir, etc.
11253 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11254 if(first.pr == NoProc) {
11255 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11256 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11258 if(second.pr == NoProc) {
11260 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11261 SwapEngines(1); // and make that valid for second engine by swapping
11262 InitEngine(&second, 1);
11264 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11265 UpdateLogos(FALSE); // leave display to ModeHiglight()
11271 { // performs game initialization that does not invoke engines, and then tries to start the game
11272 int res, firstWhite, swapColors = 0;
11273 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11274 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
11276 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11277 if(strcmp(buf, currentDebugFile)) { // name has changed
11278 FILE *f = fopen(buf, "w");
11279 if(f) { // if opening the new file failed, just keep using the old one
11280 ASSIGN(currentDebugFile, buf);
11284 if(appData.serverFileName) {
11285 if(serverFP) fclose(serverFP);
11286 serverFP = fopen(appData.serverFileName, "w");
11287 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11288 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11292 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11293 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11294 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11295 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11296 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11297 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11298 Reset(FALSE, first.pr != NoProc);
11299 res = LoadGameOrPosition(matchGame); // setup game
11300 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11301 if(!res) return; // abort when bad game/pos file
11302 TwoMachinesEvent();
11306 UserAdjudicationEvent (int result)
11308 ChessMove gameResult = GameIsDrawn;
11311 gameResult = WhiteWins;
11313 else if( result < 0 ) {
11314 gameResult = BlackWins;
11317 if( gameMode == TwoMachinesPlay ) {
11318 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11323 // [HGM] save: calculate checksum of game to make games easily identifiable
11325 StringCheckSum (char *s)
11328 if(s==NULL) return 0;
11329 while(*s) i = i*259 + *s++;
11337 for(i=backwardMostMove; i<forwardMostMove; i++) {
11338 sum += pvInfoList[i].depth;
11339 sum += StringCheckSum(parseList[i]);
11340 sum += StringCheckSum(commentList[i]);
11343 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11344 return sum + StringCheckSum(commentList[i]);
11345 } // end of save patch
11348 GameEnds (ChessMove result, char *resultDetails, int whosays)
11350 GameMode nextGameMode;
11352 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11354 if(endingGame) return; /* [HGM] crash: forbid recursion */
11356 if(twoBoards) { // [HGM] dual: switch back to one board
11357 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11358 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11360 if (appData.debugMode) {
11361 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11362 result, resultDetails ? resultDetails : "(null)", whosays);
11365 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11367 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11369 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11370 /* If we are playing on ICS, the server decides when the
11371 game is over, but the engine can offer to draw, claim
11375 if (appData.zippyPlay && first.initDone) {
11376 if (result == GameIsDrawn) {
11377 /* In case draw still needs to be claimed */
11378 SendToICS(ics_prefix);
11379 SendToICS("draw\n");
11380 } else if (StrCaseStr(resultDetails, "resign")) {
11381 SendToICS(ics_prefix);
11382 SendToICS("resign\n");
11386 endingGame = 0; /* [HGM] crash */
11390 /* If we're loading the game from a file, stop */
11391 if (whosays == GE_FILE) {
11392 (void) StopLoadGameTimer();
11396 /* Cancel draw offers */
11397 first.offeredDraw = second.offeredDraw = 0;
11399 /* If this is an ICS game, only ICS can really say it's done;
11400 if not, anyone can. */
11401 isIcsGame = (gameMode == IcsPlayingWhite ||
11402 gameMode == IcsPlayingBlack ||
11403 gameMode == IcsObserving ||
11404 gameMode == IcsExamining);
11406 if (!isIcsGame || whosays == GE_ICS) {
11407 /* OK -- not an ICS game, or ICS said it was done */
11409 if (!isIcsGame && !appData.noChessProgram)
11410 SetUserThinkingEnables();
11412 /* [HGM] if a machine claims the game end we verify this claim */
11413 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11414 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11416 ChessMove trueResult = (ChessMove) -1;
11418 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11419 first.twoMachinesColor[0] :
11420 second.twoMachinesColor[0] ;
11422 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11423 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11424 /* [HGM] verify: engine mate claims accepted if they were flagged */
11425 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11427 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11428 /* [HGM] verify: engine mate claims accepted if they were flagged */
11429 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11431 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11432 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11435 // now verify win claims, but not in drop games, as we don't understand those yet
11436 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11437 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11438 (result == WhiteWins && claimer == 'w' ||
11439 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11440 if (appData.debugMode) {
11441 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11442 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11444 if(result != trueResult) {
11445 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11446 result = claimer == 'w' ? BlackWins : WhiteWins;
11447 resultDetails = buf;
11450 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11451 && (forwardMostMove <= backwardMostMove ||
11452 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11453 (claimer=='b')==(forwardMostMove&1))
11455 /* [HGM] verify: draws that were not flagged are false claims */
11456 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11457 result = claimer == 'w' ? BlackWins : WhiteWins;
11458 resultDetails = buf;
11460 /* (Claiming a loss is accepted no questions asked!) */
11461 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11462 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11463 result = GameUnfinished;
11464 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11466 /* [HGM] bare: don't allow bare King to win */
11467 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11468 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11469 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11470 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11471 && result != GameIsDrawn)
11472 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11473 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11474 int p = (signed char)boards[forwardMostMove][i][j] - color;
11475 if(p >= 0 && p <= (int)WhiteKing) k++;
11476 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11478 if (appData.debugMode) {
11479 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11480 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11482 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11483 result = GameIsDrawn;
11484 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11485 resultDetails = buf;
11491 if(serverMoves != NULL && !loadFlag) { char c = '=';
11492 if(result==WhiteWins) c = '+';
11493 if(result==BlackWins) c = '-';
11494 if(resultDetails != NULL)
11495 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11497 if (resultDetails != NULL) {
11498 gameInfo.result = result;
11499 gameInfo.resultDetails = StrSave(resultDetails);
11501 /* display last move only if game was not loaded from file */
11502 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11503 DisplayMove(currentMove - 1);
11505 if (forwardMostMove != 0) {
11506 if (gameMode != PlayFromGameFile && gameMode != EditGame
11507 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11509 if (*appData.saveGameFile != NULLCHAR) {
11510 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11511 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11513 SaveGameToFile(appData.saveGameFile, TRUE);
11514 } else if (appData.autoSaveGames) {
11515 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11517 if (*appData.savePositionFile != NULLCHAR) {
11518 SavePositionToFile(appData.savePositionFile);
11520 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11524 /* Tell program how game ended in case it is learning */
11525 /* [HGM] Moved this to after saving the PGN, just in case */
11526 /* engine died and we got here through time loss. In that */
11527 /* case we will get a fatal error writing the pipe, which */
11528 /* would otherwise lose us the PGN. */
11529 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11530 /* output during GameEnds should never be fatal anymore */
11531 if (gameMode == MachinePlaysWhite ||
11532 gameMode == MachinePlaysBlack ||
11533 gameMode == TwoMachinesPlay ||
11534 gameMode == IcsPlayingWhite ||
11535 gameMode == IcsPlayingBlack ||
11536 gameMode == BeginningOfGame) {
11538 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11540 if (first.pr != NoProc) {
11541 SendToProgram(buf, &first);
11543 if (second.pr != NoProc &&
11544 gameMode == TwoMachinesPlay) {
11545 SendToProgram(buf, &second);
11550 if (appData.icsActive) {
11551 if (appData.quietPlay &&
11552 (gameMode == IcsPlayingWhite ||
11553 gameMode == IcsPlayingBlack)) {
11554 SendToICS(ics_prefix);
11555 SendToICS("set shout 1\n");
11557 nextGameMode = IcsIdle;
11558 ics_user_moved = FALSE;
11559 /* clean up premove. It's ugly when the game has ended and the
11560 * premove highlights are still on the board.
11563 gotPremove = FALSE;
11564 ClearPremoveHighlights();
11565 DrawPosition(FALSE, boards[currentMove]);
11567 if (whosays == GE_ICS) {
11570 if (gameMode == IcsPlayingWhite)
11572 else if(gameMode == IcsPlayingBlack)
11573 PlayIcsLossSound();
11576 if (gameMode == IcsPlayingBlack)
11578 else if(gameMode == IcsPlayingWhite)
11579 PlayIcsLossSound();
11582 PlayIcsDrawSound();
11585 PlayIcsUnfinishedSound();
11588 if(appData.quitNext) { ExitEvent(0); return; }
11589 } else if (gameMode == EditGame ||
11590 gameMode == PlayFromGameFile ||
11591 gameMode == AnalyzeMode ||
11592 gameMode == AnalyzeFile) {
11593 nextGameMode = gameMode;
11595 nextGameMode = EndOfGame;
11600 nextGameMode = gameMode;
11603 if (appData.noChessProgram) {
11604 gameMode = nextGameMode;
11606 endingGame = 0; /* [HGM] crash */
11611 /* Put first chess program into idle state */
11612 if (first.pr != NoProc &&
11613 (gameMode == MachinePlaysWhite ||
11614 gameMode == MachinePlaysBlack ||
11615 gameMode == TwoMachinesPlay ||
11616 gameMode == IcsPlayingWhite ||
11617 gameMode == IcsPlayingBlack ||
11618 gameMode == BeginningOfGame)) {
11619 SendToProgram("force\n", &first);
11620 if (first.usePing) {
11622 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11623 SendToProgram(buf, &first);
11626 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11627 /* Kill off first chess program */
11628 if (first.isr != NULL)
11629 RemoveInputSource(first.isr);
11632 if (first.pr != NoProc) {
11634 DoSleep( appData.delayBeforeQuit );
11635 SendToProgram("quit\n", &first);
11636 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11637 first.reload = TRUE;
11641 if (second.reuse) {
11642 /* Put second chess program into idle state */
11643 if (second.pr != NoProc &&
11644 gameMode == TwoMachinesPlay) {
11645 SendToProgram("force\n", &second);
11646 if (second.usePing) {
11648 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11649 SendToProgram(buf, &second);
11652 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11653 /* Kill off second chess program */
11654 if (second.isr != NULL)
11655 RemoveInputSource(second.isr);
11658 if (second.pr != NoProc) {
11659 DoSleep( appData.delayBeforeQuit );
11660 SendToProgram("quit\n", &second);
11661 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11662 second.reload = TRUE;
11664 second.pr = NoProc;
11667 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11668 char resChar = '=';
11672 if (first.twoMachinesColor[0] == 'w') {
11675 second.matchWins++;
11680 if (first.twoMachinesColor[0] == 'b') {
11683 second.matchWins++;
11686 case GameUnfinished:
11692 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11693 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11694 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11695 ReserveGame(nextGame, resChar); // sets nextGame
11696 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11697 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11698 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11700 if (nextGame <= appData.matchGames && !abortMatch) {
11701 gameMode = nextGameMode;
11702 matchGame = nextGame; // this will be overruled in tourney mode!
11703 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11704 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11705 endingGame = 0; /* [HGM] crash */
11708 gameMode = nextGameMode;
11709 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11710 first.tidy, second.tidy,
11711 first.matchWins, second.matchWins,
11712 appData.matchGames - (first.matchWins + second.matchWins));
11713 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11714 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11715 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11716 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11717 first.twoMachinesColor = "black\n";
11718 second.twoMachinesColor = "white\n";
11720 first.twoMachinesColor = "white\n";
11721 second.twoMachinesColor = "black\n";
11725 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11726 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11728 gameMode = nextGameMode;
11730 endingGame = 0; /* [HGM] crash */
11731 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11732 if(matchMode == TRUE) { // match through command line: exit with or without popup
11734 ToNrEvent(forwardMostMove);
11735 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11737 } else DisplayFatalError(buf, 0, 0);
11738 } else { // match through menu; just stop, with or without popup
11739 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11742 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11743 } else DisplayNote(buf);
11745 if(ranking) free(ranking);
11749 /* Assumes program was just initialized (initString sent).
11750 Leaves program in force mode. */
11752 FeedMovesToProgram (ChessProgramState *cps, int upto)
11756 if (appData.debugMode)
11757 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11758 startedFromSetupPosition ? "position and " : "",
11759 backwardMostMove, upto, cps->which);
11760 if(currentlyInitializedVariant != gameInfo.variant) {
11762 // [HGM] variantswitch: make engine aware of new variant
11763 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11764 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11765 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11766 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11767 SendToProgram(buf, cps);
11768 currentlyInitializedVariant = gameInfo.variant;
11770 SendToProgram("force\n", cps);
11771 if (startedFromSetupPosition) {
11772 SendBoard(cps, backwardMostMove);
11773 if (appData.debugMode) {
11774 fprintf(debugFP, "feedMoves\n");
11777 for (i = backwardMostMove; i < upto; i++) {
11778 SendMoveToProgram(i, cps);
11784 ResurrectChessProgram ()
11786 /* The chess program may have exited.
11787 If so, restart it and feed it all the moves made so far. */
11788 static int doInit = 0;
11790 if (appData.noChessProgram) return 1;
11792 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11793 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11794 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11795 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11797 if (first.pr != NoProc) return 1;
11798 StartChessProgram(&first);
11800 InitChessProgram(&first, FALSE);
11801 FeedMovesToProgram(&first, currentMove);
11803 if (!first.sendTime) {
11804 /* can't tell gnuchess what its clock should read,
11805 so we bow to its notion. */
11807 timeRemaining[0][currentMove] = whiteTimeRemaining;
11808 timeRemaining[1][currentMove] = blackTimeRemaining;
11811 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11812 appData.icsEngineAnalyze) && first.analysisSupport) {
11813 SendToProgram("analyze\n", &first);
11814 first.analyzing = TRUE;
11820 * Button procedures
11823 Reset (int redraw, int init)
11827 if (appData.debugMode) {
11828 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11829 redraw, init, gameMode);
11831 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11832 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11833 CleanupTail(); // [HGM] vari: delete any stored variations
11834 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11835 pausing = pauseExamInvalid = FALSE;
11836 startedFromSetupPosition = blackPlaysFirst = FALSE;
11838 whiteFlag = blackFlag = FALSE;
11839 userOfferedDraw = FALSE;
11840 hintRequested = bookRequested = FALSE;
11841 first.maybeThinking = FALSE;
11842 second.maybeThinking = FALSE;
11843 first.bookSuspend = FALSE; // [HGM] book
11844 second.bookSuspend = FALSE;
11845 thinkOutput[0] = NULLCHAR;
11846 lastHint[0] = NULLCHAR;
11847 ClearGameInfo(&gameInfo);
11848 gameInfo.variant = StringToVariant(appData.variant);
11849 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11850 ics_user_moved = ics_clock_paused = FALSE;
11851 ics_getting_history = H_FALSE;
11853 white_holding[0] = black_holding[0] = NULLCHAR;
11854 ClearProgramStats();
11855 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11859 flipView = appData.flipView;
11860 ClearPremoveHighlights();
11861 gotPremove = FALSE;
11862 alarmSounded = FALSE;
11863 killX = killY = -1; // [HGM] lion
11865 GameEnds(EndOfFile, NULL, GE_PLAYER);
11866 if(appData.serverMovesName != NULL) {
11867 /* [HGM] prepare to make moves file for broadcasting */
11868 clock_t t = clock();
11869 if(serverMoves != NULL) fclose(serverMoves);
11870 serverMoves = fopen(appData.serverMovesName, "r");
11871 if(serverMoves != NULL) {
11872 fclose(serverMoves);
11873 /* delay 15 sec before overwriting, so all clients can see end */
11874 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11876 serverMoves = fopen(appData.serverMovesName, "w");
11880 gameMode = BeginningOfGame;
11882 if(appData.icsActive) gameInfo.variant = VariantNormal;
11883 currentMove = forwardMostMove = backwardMostMove = 0;
11884 MarkTargetSquares(1);
11885 InitPosition(redraw);
11886 for (i = 0; i < MAX_MOVES; i++) {
11887 if (commentList[i] != NULL) {
11888 free(commentList[i]);
11889 commentList[i] = NULL;
11893 timeRemaining[0][0] = whiteTimeRemaining;
11894 timeRemaining[1][0] = blackTimeRemaining;
11896 if (first.pr == NoProc) {
11897 StartChessProgram(&first);
11900 InitChessProgram(&first, startedFromSetupPosition);
11903 DisplayMessage("", "");
11904 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11905 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11906 ClearMap(); // [HGM] exclude: invalidate map
11910 AutoPlayGameLoop ()
11913 if (!AutoPlayOneMove())
11915 if (matchMode || appData.timeDelay == 0)
11917 if (appData.timeDelay < 0)
11919 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11927 ReloadGame(1); // next game
11933 int fromX, fromY, toX, toY;
11935 if (appData.debugMode) {
11936 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11939 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11942 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11943 pvInfoList[currentMove].depth = programStats.depth;
11944 pvInfoList[currentMove].score = programStats.score;
11945 pvInfoList[currentMove].time = 0;
11946 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11947 else { // append analysis of final position as comment
11949 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11950 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11952 programStats.depth = 0;
11955 if (currentMove >= forwardMostMove) {
11956 if(gameMode == AnalyzeFile) {
11957 if(appData.loadGameIndex == -1) {
11958 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11959 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11961 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11964 // gameMode = EndOfGame;
11965 // ModeHighlight();
11967 /* [AS] Clear current move marker at the end of a game */
11968 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11973 toX = moveList[currentMove][2] - AAA;
11974 toY = moveList[currentMove][3] - ONE;
11976 if (moveList[currentMove][1] == '@') {
11977 if (appData.highlightLastMove) {
11978 SetHighlights(-1, -1, toX, toY);
11981 int viaX = moveList[currentMove][5] - AAA;
11982 int viaY = moveList[currentMove][6] - ONE;
11983 fromX = moveList[currentMove][0] - AAA;
11984 fromY = moveList[currentMove][1] - ONE;
11986 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11988 if(moveList[currentMove][4] == ';') { // multi-leg
11989 ChessSquare piece = boards[currentMove][viaY][viaX];
11990 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11991 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11992 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11993 boards[currentMove][viaY][viaX] = piece;
11995 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11997 if (appData.highlightLastMove) {
11998 SetHighlights(fromX, fromY, toX, toY);
12001 DisplayMove(currentMove);
12002 SendMoveToProgram(currentMove++, &first);
12003 DisplayBothClocks();
12004 DrawPosition(FALSE, boards[currentMove]);
12005 // [HGM] PV info: always display, routine tests if empty
12006 DisplayComment(currentMove - 1, commentList[currentMove]);
12012 LoadGameOneMove (ChessMove readAhead)
12014 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12015 char promoChar = NULLCHAR;
12016 ChessMove moveType;
12017 char move[MSG_SIZ];
12020 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12021 gameMode != AnalyzeMode && gameMode != Training) {
12026 yyboardindex = forwardMostMove;
12027 if (readAhead != EndOfFile) {
12028 moveType = readAhead;
12030 if (gameFileFP == NULL)
12032 moveType = (ChessMove) Myylex();
12036 switch (moveType) {
12038 if (appData.debugMode)
12039 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12042 /* append the comment but don't display it */
12043 AppendComment(currentMove, p, FALSE);
12046 case WhiteCapturesEnPassant:
12047 case BlackCapturesEnPassant:
12048 case WhitePromotion:
12049 case BlackPromotion:
12050 case WhiteNonPromotion:
12051 case BlackNonPromotion:
12054 case WhiteKingSideCastle:
12055 case WhiteQueenSideCastle:
12056 case BlackKingSideCastle:
12057 case BlackQueenSideCastle:
12058 case WhiteKingSideCastleWild:
12059 case WhiteQueenSideCastleWild:
12060 case BlackKingSideCastleWild:
12061 case BlackQueenSideCastleWild:
12063 case WhiteHSideCastleFR:
12064 case WhiteASideCastleFR:
12065 case BlackHSideCastleFR:
12066 case BlackASideCastleFR:
12068 if (appData.debugMode)
12069 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12070 fromX = currentMoveString[0] - AAA;
12071 fromY = currentMoveString[1] - ONE;
12072 toX = currentMoveString[2] - AAA;
12073 toY = currentMoveString[3] - ONE;
12074 promoChar = currentMoveString[4];
12075 if(promoChar == ';') promoChar = NULLCHAR;
12080 if (appData.debugMode)
12081 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12082 fromX = moveType == WhiteDrop ?
12083 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12084 (int) CharToPiece(ToLower(currentMoveString[0]));
12086 toX = currentMoveString[2] - AAA;
12087 toY = currentMoveString[3] - ONE;
12093 case GameUnfinished:
12094 if (appData.debugMode)
12095 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12096 p = strchr(yy_text, '{');
12097 if (p == NULL) p = strchr(yy_text, '(');
12100 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12102 q = strchr(p, *p == '{' ? '}' : ')');
12103 if (q != NULL) *q = NULLCHAR;
12106 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12107 GameEnds(moveType, p, GE_FILE);
12109 if (cmailMsgLoaded) {
12111 flipView = WhiteOnMove(currentMove);
12112 if (moveType == GameUnfinished) flipView = !flipView;
12113 if (appData.debugMode)
12114 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12119 if (appData.debugMode)
12120 fprintf(debugFP, "Parser hit end of file\n");
12121 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12127 if (WhiteOnMove(currentMove)) {
12128 GameEnds(BlackWins, "Black mates", GE_FILE);
12130 GameEnds(WhiteWins, "White mates", GE_FILE);
12134 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12140 case MoveNumberOne:
12141 if (lastLoadGameStart == GNUChessGame) {
12142 /* GNUChessGames have numbers, but they aren't move numbers */
12143 if (appData.debugMode)
12144 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12145 yy_text, (int) moveType);
12146 return LoadGameOneMove(EndOfFile); /* tail recursion */
12148 /* else fall thru */
12153 /* Reached start of next game in file */
12154 if (appData.debugMode)
12155 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12156 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12162 if (WhiteOnMove(currentMove)) {
12163 GameEnds(BlackWins, "Black mates", GE_FILE);
12165 GameEnds(WhiteWins, "White mates", GE_FILE);
12169 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12175 case PositionDiagram: /* should not happen; ignore */
12176 case ElapsedTime: /* ignore */
12177 case NAG: /* ignore */
12178 if (appData.debugMode)
12179 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12180 yy_text, (int) moveType);
12181 return LoadGameOneMove(EndOfFile); /* tail recursion */
12184 if (appData.testLegality) {
12185 if (appData.debugMode)
12186 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12187 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12188 (forwardMostMove / 2) + 1,
12189 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12190 DisplayError(move, 0);
12193 if (appData.debugMode)
12194 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12195 yy_text, currentMoveString);
12196 if(currentMoveString[1] == '@') {
12197 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12200 fromX = currentMoveString[0] - AAA;
12201 fromY = currentMoveString[1] - ONE;
12203 toX = currentMoveString[2] - AAA;
12204 toY = currentMoveString[3] - ONE;
12205 promoChar = currentMoveString[4];
12209 case AmbiguousMove:
12210 if (appData.debugMode)
12211 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12212 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12213 (forwardMostMove / 2) + 1,
12214 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12215 DisplayError(move, 0);
12220 case ImpossibleMove:
12221 if (appData.debugMode)
12222 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12223 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12224 (forwardMostMove / 2) + 1,
12225 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12226 DisplayError(move, 0);
12232 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12233 DrawPosition(FALSE, boards[currentMove]);
12234 DisplayBothClocks();
12235 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12236 DisplayComment(currentMove - 1, commentList[currentMove]);
12238 (void) StopLoadGameTimer();
12240 cmailOldMove = forwardMostMove;
12243 /* currentMoveString is set as a side-effect of yylex */
12245 thinkOutput[0] = NULLCHAR;
12246 MakeMove(fromX, fromY, toX, toY, promoChar);
12247 killX = killY = -1; // [HGM] lion: used up
12248 currentMove = forwardMostMove;
12253 /* Load the nth game from the given file */
12255 LoadGameFromFile (char *filename, int n, char *title, int useList)
12260 if (strcmp(filename, "-") == 0) {
12264 f = fopen(filename, "rb");
12266 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12267 DisplayError(buf, errno);
12271 if (fseek(f, 0, 0) == -1) {
12272 /* f is not seekable; probably a pipe */
12275 if (useList && n == 0) {
12276 int error = GameListBuild(f);
12278 DisplayError(_("Cannot build game list"), error);
12279 } else if (!ListEmpty(&gameList) &&
12280 ((ListGame *) gameList.tailPred)->number > 1) {
12281 GameListPopUp(f, title);
12288 return LoadGame(f, n, title, FALSE);
12293 MakeRegisteredMove ()
12295 int fromX, fromY, toX, toY;
12297 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12298 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12301 if (appData.debugMode)
12302 fprintf(debugFP, "Restoring %s for game %d\n",
12303 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12305 thinkOutput[0] = NULLCHAR;
12306 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12307 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12308 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12309 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12310 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12311 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12312 MakeMove(fromX, fromY, toX, toY, promoChar);
12313 ShowMove(fromX, fromY, toX, toY);
12315 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12322 if (WhiteOnMove(currentMove)) {
12323 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12325 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12330 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12337 if (WhiteOnMove(currentMove)) {
12338 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12340 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12345 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12356 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12358 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12362 if (gameNumber > nCmailGames) {
12363 DisplayError(_("No more games in this message"), 0);
12366 if (f == lastLoadGameFP) {
12367 int offset = gameNumber - lastLoadGameNumber;
12369 cmailMsg[0] = NULLCHAR;
12370 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12371 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12372 nCmailMovesRegistered--;
12374 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12375 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12376 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12379 if (! RegisterMove()) return FALSE;
12383 retVal = LoadGame(f, gameNumber, title, useList);
12385 /* Make move registered during previous look at this game, if any */
12386 MakeRegisteredMove();
12388 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12389 commentList[currentMove]
12390 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12391 DisplayComment(currentMove - 1, commentList[currentMove]);
12397 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12399 ReloadGame (int offset)
12401 int gameNumber = lastLoadGameNumber + offset;
12402 if (lastLoadGameFP == NULL) {
12403 DisplayError(_("No game has been loaded yet"), 0);
12406 if (gameNumber <= 0) {
12407 DisplayError(_("Can't back up any further"), 0);
12410 if (cmailMsgLoaded) {
12411 return CmailLoadGame(lastLoadGameFP, gameNumber,
12412 lastLoadGameTitle, lastLoadGameUseList);
12414 return LoadGame(lastLoadGameFP, gameNumber,
12415 lastLoadGameTitle, lastLoadGameUseList);
12419 int keys[EmptySquare+1];
12422 PositionMatches (Board b1, Board b2)
12425 switch(appData.searchMode) {
12426 case 1: return CompareWithRights(b1, b2);
12428 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12429 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12433 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12434 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12435 sum += keys[b1[r][f]] - keys[b2[r][f]];
12439 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12440 sum += keys[b1[r][f]] - keys[b2[r][f]];
12452 int pieceList[256], quickBoard[256];
12453 ChessSquare pieceType[256] = { EmptySquare };
12454 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12455 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12456 int soughtTotal, turn;
12457 Boolean epOK, flipSearch;
12460 unsigned char piece, to;
12463 #define DSIZE (250000)
12465 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12466 Move *moveDatabase = initialSpace;
12467 unsigned int movePtr, dataSize = DSIZE;
12470 MakePieceList (Board board, int *counts)
12472 int r, f, n=Q_PROMO, total=0;
12473 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12474 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12475 int sq = f + (r<<4);
12476 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12477 quickBoard[sq] = ++n;
12479 pieceType[n] = board[r][f];
12480 counts[board[r][f]]++;
12481 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12482 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12486 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12491 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12493 int sq = fromX + (fromY<<4);
12494 int piece = quickBoard[sq], rook;
12495 quickBoard[sq] = 0;
12496 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12497 if(piece == pieceList[1] && fromY == toY) {
12498 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12499 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12500 moveDatabase[movePtr++].piece = Q_WCASTL;
12501 quickBoard[sq] = piece;
12502 piece = quickBoard[from]; quickBoard[from] = 0;
12503 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12504 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12505 quickBoard[sq] = 0; // remove Rook
12506 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12507 moveDatabase[movePtr++].piece = Q_WCASTL;
12508 quickBoard[sq] = pieceList[1]; // put King
12510 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12513 if(piece == pieceList[2] && fromY == toY) {
12514 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12515 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12516 moveDatabase[movePtr++].piece = Q_BCASTL;
12517 quickBoard[sq] = piece;
12518 piece = quickBoard[from]; quickBoard[from] = 0;
12519 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12520 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12521 quickBoard[sq] = 0; // remove Rook
12522 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12523 moveDatabase[movePtr++].piece = Q_BCASTL;
12524 quickBoard[sq] = pieceList[2]; // put King
12526 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12529 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12530 quickBoard[(fromY<<4)+toX] = 0;
12531 moveDatabase[movePtr].piece = Q_EP;
12532 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12533 moveDatabase[movePtr].to = sq;
12535 if(promoPiece != pieceType[piece]) {
12536 moveDatabase[movePtr++].piece = Q_PROMO;
12537 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12539 moveDatabase[movePtr].piece = piece;
12540 quickBoard[sq] = piece;
12545 PackGame (Board board)
12547 Move *newSpace = NULL;
12548 moveDatabase[movePtr].piece = 0; // terminate previous game
12549 if(movePtr > dataSize) {
12550 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12551 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12552 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12555 Move *p = moveDatabase, *q = newSpace;
12556 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12557 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12558 moveDatabase = newSpace;
12559 } else { // calloc failed, we must be out of memory. Too bad...
12560 dataSize = 0; // prevent calloc events for all subsequent games
12561 return 0; // and signal this one isn't cached
12565 MakePieceList(board, counts);
12570 QuickCompare (Board board, int *minCounts, int *maxCounts)
12571 { // compare according to search mode
12573 switch(appData.searchMode)
12575 case 1: // exact position match
12576 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12577 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12578 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12581 case 2: // can have extra material on empty squares
12582 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12583 if(board[r][f] == EmptySquare) continue;
12584 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12587 case 3: // material with exact Pawn structure
12588 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12589 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12590 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12591 } // fall through to material comparison
12592 case 4: // exact material
12593 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12595 case 6: // material range with given imbalance
12596 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12597 // fall through to range comparison
12598 case 5: // material range
12599 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12605 QuickScan (Board board, Move *move)
12606 { // reconstruct game,and compare all positions in it
12607 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12609 int piece = move->piece;
12610 int to = move->to, from = pieceList[piece];
12611 if(found < 0) { // if already found just scan to game end for final piece count
12612 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12613 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12614 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12615 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12617 static int lastCounts[EmptySquare+1];
12619 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12620 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12621 } else stretch = 0;
12622 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12623 if(found >= 0 && !appData.minPieces) return found;
12625 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12626 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12627 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12628 piece = (++move)->piece;
12629 from = pieceList[piece];
12630 counts[pieceType[piece]]--;
12631 pieceType[piece] = (ChessSquare) move->to;
12632 counts[move->to]++;
12633 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12634 counts[pieceType[quickBoard[to]]]--;
12635 quickBoard[to] = 0; total--;
12638 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12639 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12640 from = pieceList[piece]; // so this must be King
12641 quickBoard[from] = 0;
12642 pieceList[piece] = to;
12643 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12644 quickBoard[from] = 0; // rook
12645 quickBoard[to] = piece;
12646 to = move->to; piece = move->piece;
12650 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12651 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12652 quickBoard[from] = 0;
12654 quickBoard[to] = piece;
12655 pieceList[piece] = to;
12665 flipSearch = FALSE;
12666 CopyBoard(soughtBoard, boards[currentMove]);
12667 soughtTotal = MakePieceList(soughtBoard, maxSought);
12668 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12669 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12670 CopyBoard(reverseBoard, boards[currentMove]);
12671 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12672 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12673 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12674 reverseBoard[r][f] = piece;
12676 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12677 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12678 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12679 || (boards[currentMove][CASTLING][2] == NoRights ||
12680 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12681 && (boards[currentMove][CASTLING][5] == NoRights ||
12682 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12685 CopyBoard(flipBoard, soughtBoard);
12686 CopyBoard(rotateBoard, reverseBoard);
12687 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12688 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12689 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12692 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12693 if(appData.searchMode >= 5) {
12694 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12695 MakePieceList(soughtBoard, minSought);
12696 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12698 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12699 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12702 GameInfo dummyInfo;
12703 static int creatingBook;
12706 GameContainsPosition (FILE *f, ListGame *lg)
12708 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12709 int fromX, fromY, toX, toY;
12711 static int initDone=FALSE;
12713 // weed out games based on numerical tag comparison
12714 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12715 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12716 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12717 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12719 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12722 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12723 else CopyBoard(boards[scratch], initialPosition); // default start position
12726 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12727 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12730 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12731 fseek(f, lg->offset, 0);
12734 yyboardindex = scratch;
12735 quickFlag = plyNr+1;
12740 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12746 if(plyNr) return -1; // after we have seen moves, this is for new game
12749 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12750 case ImpossibleMove:
12751 case WhiteWins: // game ends here with these four
12754 case GameUnfinished:
12758 if(appData.testLegality) return -1;
12759 case WhiteCapturesEnPassant:
12760 case BlackCapturesEnPassant:
12761 case WhitePromotion:
12762 case BlackPromotion:
12763 case WhiteNonPromotion:
12764 case BlackNonPromotion:
12767 case WhiteKingSideCastle:
12768 case WhiteQueenSideCastle:
12769 case BlackKingSideCastle:
12770 case BlackQueenSideCastle:
12771 case WhiteKingSideCastleWild:
12772 case WhiteQueenSideCastleWild:
12773 case BlackKingSideCastleWild:
12774 case BlackQueenSideCastleWild:
12775 case WhiteHSideCastleFR:
12776 case WhiteASideCastleFR:
12777 case BlackHSideCastleFR:
12778 case BlackASideCastleFR:
12779 fromX = currentMoveString[0] - AAA;
12780 fromY = currentMoveString[1] - ONE;
12781 toX = currentMoveString[2] - AAA;
12782 toY = currentMoveString[3] - ONE;
12783 promoChar = currentMoveString[4];
12787 fromX = next == WhiteDrop ?
12788 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12789 (int) CharToPiece(ToLower(currentMoveString[0]));
12791 toX = currentMoveString[2] - AAA;
12792 toY = currentMoveString[3] - ONE;
12796 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12798 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12799 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12800 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12801 if(appData.findMirror) {
12802 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12803 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12808 /* Load the nth game from open file f */
12810 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12814 int gn = gameNumber;
12815 ListGame *lg = NULL;
12816 int numPGNTags = 0;
12818 GameMode oldGameMode;
12819 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12820 char oldName[MSG_SIZ];
12822 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12824 if (appData.debugMode)
12825 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12827 if (gameMode == Training )
12828 SetTrainingModeOff();
12830 oldGameMode = gameMode;
12831 if (gameMode != BeginningOfGame) {
12832 Reset(FALSE, TRUE);
12834 killX = killY = -1; // [HGM] lion: in case we did not Reset
12837 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12838 fclose(lastLoadGameFP);
12842 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12845 fseek(f, lg->offset, 0);
12846 GameListHighlight(gameNumber);
12847 pos = lg->position;
12851 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12852 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12854 DisplayError(_("Game number out of range"), 0);
12859 if (fseek(f, 0, 0) == -1) {
12860 if (f == lastLoadGameFP ?
12861 gameNumber == lastLoadGameNumber + 1 :
12865 DisplayError(_("Can't seek on game file"), 0);
12870 lastLoadGameFP = f;
12871 lastLoadGameNumber = gameNumber;
12872 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12873 lastLoadGameUseList = useList;
12877 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12878 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12879 lg->gameInfo.black);
12881 } else if (*title != NULLCHAR) {
12882 if (gameNumber > 1) {
12883 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12886 DisplayTitle(title);
12890 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12891 gameMode = PlayFromGameFile;
12895 currentMove = forwardMostMove = backwardMostMove = 0;
12896 CopyBoard(boards[0], initialPosition);
12900 * Skip the first gn-1 games in the file.
12901 * Also skip over anything that precedes an identifiable
12902 * start of game marker, to avoid being confused by
12903 * garbage at the start of the file. Currently
12904 * recognized start of game markers are the move number "1",
12905 * the pattern "gnuchess .* game", the pattern
12906 * "^[#;%] [^ ]* game file", and a PGN tag block.
12907 * A game that starts with one of the latter two patterns
12908 * will also have a move number 1, possibly
12909 * following a position diagram.
12910 * 5-4-02: Let's try being more lenient and allowing a game to
12911 * start with an unnumbered move. Does that break anything?
12913 cm = lastLoadGameStart = EndOfFile;
12915 yyboardindex = forwardMostMove;
12916 cm = (ChessMove) Myylex();
12919 if (cmailMsgLoaded) {
12920 nCmailGames = CMAIL_MAX_GAMES - gn;
12923 DisplayError(_("Game not found in file"), 0);
12930 lastLoadGameStart = cm;
12933 case MoveNumberOne:
12934 switch (lastLoadGameStart) {
12939 case MoveNumberOne:
12941 gn--; /* count this game */
12942 lastLoadGameStart = cm;
12951 switch (lastLoadGameStart) {
12954 case MoveNumberOne:
12956 gn--; /* count this game */
12957 lastLoadGameStart = cm;
12960 lastLoadGameStart = cm; /* game counted already */
12968 yyboardindex = forwardMostMove;
12969 cm = (ChessMove) Myylex();
12970 } while (cm == PGNTag || cm == Comment);
12977 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12978 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12979 != CMAIL_OLD_RESULT) {
12981 cmailResult[ CMAIL_MAX_GAMES
12982 - gn - 1] = CMAIL_OLD_RESULT;
12989 /* Only a NormalMove can be at the start of a game
12990 * without a position diagram. */
12991 if (lastLoadGameStart == EndOfFile ) {
12993 lastLoadGameStart = MoveNumberOne;
13002 if (appData.debugMode)
13003 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13005 if (cm == XBoardGame) {
13006 /* Skip any header junk before position diagram and/or move 1 */
13008 yyboardindex = forwardMostMove;
13009 cm = (ChessMove) Myylex();
13011 if (cm == EndOfFile ||
13012 cm == GNUChessGame || cm == XBoardGame) {
13013 /* Empty game; pretend end-of-file and handle later */
13018 if (cm == MoveNumberOne || cm == PositionDiagram ||
13019 cm == PGNTag || cm == Comment)
13022 } else if (cm == GNUChessGame) {
13023 if (gameInfo.event != NULL) {
13024 free(gameInfo.event);
13026 gameInfo.event = StrSave(yy_text);
13029 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13030 while (cm == PGNTag) {
13031 if (appData.debugMode)
13032 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13033 err = ParsePGNTag(yy_text, &gameInfo);
13034 if (!err) numPGNTags++;
13036 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13037 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13038 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13039 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13040 InitPosition(TRUE);
13041 oldVariant = gameInfo.variant;
13042 if (appData.debugMode)
13043 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13047 if (gameInfo.fen != NULL) {
13048 Board initial_position;
13049 startedFromSetupPosition = TRUE;
13050 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13052 DisplayError(_("Bad FEN position in file"), 0);
13055 CopyBoard(boards[0], initial_position);
13056 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13057 CopyBoard(initialPosition, initial_position);
13058 if (blackPlaysFirst) {
13059 currentMove = forwardMostMove = backwardMostMove = 1;
13060 CopyBoard(boards[1], initial_position);
13061 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13062 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13063 timeRemaining[0][1] = whiteTimeRemaining;
13064 timeRemaining[1][1] = blackTimeRemaining;
13065 if (commentList[0] != NULL) {
13066 commentList[1] = commentList[0];
13067 commentList[0] = NULL;
13070 currentMove = forwardMostMove = backwardMostMove = 0;
13072 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13074 initialRulePlies = FENrulePlies;
13075 for( i=0; i< nrCastlingRights; i++ )
13076 initialRights[i] = initial_position[CASTLING][i];
13078 yyboardindex = forwardMostMove;
13079 free(gameInfo.fen);
13080 gameInfo.fen = NULL;
13083 yyboardindex = forwardMostMove;
13084 cm = (ChessMove) Myylex();
13086 /* Handle comments interspersed among the tags */
13087 while (cm == Comment) {
13089 if (appData.debugMode)
13090 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13092 AppendComment(currentMove, p, FALSE);
13093 yyboardindex = forwardMostMove;
13094 cm = (ChessMove) Myylex();
13098 /* don't rely on existence of Event tag since if game was
13099 * pasted from clipboard the Event tag may not exist
13101 if (numPGNTags > 0){
13103 if (gameInfo.variant == VariantNormal) {
13104 VariantClass v = StringToVariant(gameInfo.event);
13105 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13106 if(v < VariantShogi) gameInfo.variant = v;
13109 if( appData.autoDisplayTags ) {
13110 tags = PGNTags(&gameInfo);
13111 TagsPopUp(tags, CmailMsg());
13116 /* Make something up, but don't display it now */
13121 if (cm == PositionDiagram) {
13124 Board initial_position;
13126 if (appData.debugMode)
13127 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13129 if (!startedFromSetupPosition) {
13131 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13132 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13143 initial_position[i][j++] = CharToPiece(*p);
13146 while (*p == ' ' || *p == '\t' ||
13147 *p == '\n' || *p == '\r') p++;
13149 if (strncmp(p, "black", strlen("black"))==0)
13150 blackPlaysFirst = TRUE;
13152 blackPlaysFirst = FALSE;
13153 startedFromSetupPosition = TRUE;
13155 CopyBoard(boards[0], initial_position);
13156 if (blackPlaysFirst) {
13157 currentMove = forwardMostMove = backwardMostMove = 1;
13158 CopyBoard(boards[1], initial_position);
13159 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13160 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13161 timeRemaining[0][1] = whiteTimeRemaining;
13162 timeRemaining[1][1] = blackTimeRemaining;
13163 if (commentList[0] != NULL) {
13164 commentList[1] = commentList[0];
13165 commentList[0] = NULL;
13168 currentMove = forwardMostMove = backwardMostMove = 0;
13171 yyboardindex = forwardMostMove;
13172 cm = (ChessMove) Myylex();
13175 if(!creatingBook) {
13176 if (first.pr == NoProc) {
13177 StartChessProgram(&first);
13179 InitChessProgram(&first, FALSE);
13180 if(gameInfo.variant == VariantUnknown && *oldName) {
13181 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13182 gameInfo.variant = v;
13184 SendToProgram("force\n", &first);
13185 if (startedFromSetupPosition) {
13186 SendBoard(&first, forwardMostMove);
13187 if (appData.debugMode) {
13188 fprintf(debugFP, "Load Game\n");
13190 DisplayBothClocks();
13194 /* [HGM] server: flag to write setup moves in broadcast file as one */
13195 loadFlag = appData.suppressLoadMoves;
13197 while (cm == Comment) {
13199 if (appData.debugMode)
13200 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13202 AppendComment(currentMove, p, FALSE);
13203 yyboardindex = forwardMostMove;
13204 cm = (ChessMove) Myylex();
13207 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13208 cm == WhiteWins || cm == BlackWins ||
13209 cm == GameIsDrawn || cm == GameUnfinished) {
13210 DisplayMessage("", _("No moves in game"));
13211 if (cmailMsgLoaded) {
13212 if (appData.debugMode)
13213 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13217 DrawPosition(FALSE, boards[currentMove]);
13218 DisplayBothClocks();
13219 gameMode = EditGame;
13226 // [HGM] PV info: routine tests if comment empty
13227 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13228 DisplayComment(currentMove - 1, commentList[currentMove]);
13230 if (!matchMode && appData.timeDelay != 0)
13231 DrawPosition(FALSE, boards[currentMove]);
13233 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13234 programStats.ok_to_send = 1;
13237 /* if the first token after the PGN tags is a move
13238 * and not move number 1, retrieve it from the parser
13240 if (cm != MoveNumberOne)
13241 LoadGameOneMove(cm);
13243 /* load the remaining moves from the file */
13244 while (LoadGameOneMove(EndOfFile)) {
13245 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13246 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13249 /* rewind to the start of the game */
13250 currentMove = backwardMostMove;
13252 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13254 if (oldGameMode == AnalyzeFile) {
13255 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13256 AnalyzeFileEvent();
13258 if (oldGameMode == AnalyzeMode) {
13259 AnalyzeFileEvent();
13262 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13263 long int w, b; // [HGM] adjourn: restore saved clock times
13264 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13265 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13266 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13267 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13271 if(creatingBook) return TRUE;
13272 if (!matchMode && pos > 0) {
13273 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13275 if (matchMode || appData.timeDelay == 0) {
13277 } else if (appData.timeDelay > 0) {
13278 AutoPlayGameLoop();
13281 if (appData.debugMode)
13282 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13284 loadFlag = 0; /* [HGM] true game starts */
13288 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13290 ReloadPosition (int offset)
13292 int positionNumber = lastLoadPositionNumber + offset;
13293 if (lastLoadPositionFP == NULL) {
13294 DisplayError(_("No position has been loaded yet"), 0);
13297 if (positionNumber <= 0) {
13298 DisplayError(_("Can't back up any further"), 0);
13301 return LoadPosition(lastLoadPositionFP, positionNumber,
13302 lastLoadPositionTitle);
13305 /* Load the nth position from the given file */
13307 LoadPositionFromFile (char *filename, int n, char *title)
13312 if (strcmp(filename, "-") == 0) {
13313 return LoadPosition(stdin, n, "stdin");
13315 f = fopen(filename, "rb");
13317 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13318 DisplayError(buf, errno);
13321 return LoadPosition(f, n, title);
13326 /* Load the nth position from the given open file, and close it */
13328 LoadPosition (FILE *f, int positionNumber, char *title)
13330 char *p, line[MSG_SIZ];
13331 Board initial_position;
13332 int i, j, fenMode, pn;
13334 if (gameMode == Training )
13335 SetTrainingModeOff();
13337 if (gameMode != BeginningOfGame) {
13338 Reset(FALSE, TRUE);
13340 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13341 fclose(lastLoadPositionFP);
13343 if (positionNumber == 0) positionNumber = 1;
13344 lastLoadPositionFP = f;
13345 lastLoadPositionNumber = positionNumber;
13346 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13347 if (first.pr == NoProc && !appData.noChessProgram) {
13348 StartChessProgram(&first);
13349 InitChessProgram(&first, FALSE);
13351 pn = positionNumber;
13352 if (positionNumber < 0) {
13353 /* Negative position number means to seek to that byte offset */
13354 if (fseek(f, -positionNumber, 0) == -1) {
13355 DisplayError(_("Can't seek on position file"), 0);
13360 if (fseek(f, 0, 0) == -1) {
13361 if (f == lastLoadPositionFP ?
13362 positionNumber == lastLoadPositionNumber + 1 :
13363 positionNumber == 1) {
13366 DisplayError(_("Can't seek on position file"), 0);
13371 /* See if this file is FEN or old-style xboard */
13372 if (fgets(line, MSG_SIZ, f) == NULL) {
13373 DisplayError(_("Position not found in file"), 0);
13376 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13377 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13380 if (fenMode || line[0] == '#') pn--;
13382 /* skip positions before number pn */
13383 if (fgets(line, MSG_SIZ, f) == NULL) {
13385 DisplayError(_("Position not found in file"), 0);
13388 if (fenMode || line[0] == '#') pn--;
13394 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13395 DisplayError(_("Bad FEN position in file"), 0);
13398 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13399 sscanf(p+3, "%s", bestMove);
13400 } else *bestMove = NULLCHAR;
13402 (void) fgets(line, MSG_SIZ, f);
13403 (void) fgets(line, MSG_SIZ, f);
13405 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13406 (void) fgets(line, MSG_SIZ, f);
13407 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13410 initial_position[i][j++] = CharToPiece(*p);
13414 blackPlaysFirst = FALSE;
13416 (void) fgets(line, MSG_SIZ, f);
13417 if (strncmp(line, "black", strlen("black"))==0)
13418 blackPlaysFirst = TRUE;
13421 startedFromSetupPosition = TRUE;
13423 CopyBoard(boards[0], initial_position);
13424 if (blackPlaysFirst) {
13425 currentMove = forwardMostMove = backwardMostMove = 1;
13426 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13427 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13428 CopyBoard(boards[1], initial_position);
13429 DisplayMessage("", _("Black to play"));
13431 currentMove = forwardMostMove = backwardMostMove = 0;
13432 DisplayMessage("", _("White to play"));
13434 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13435 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13436 SendToProgram("force\n", &first);
13437 SendBoard(&first, forwardMostMove);
13439 if (appData.debugMode) {
13441 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13442 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13443 fprintf(debugFP, "Load Position\n");
13446 if (positionNumber > 1) {
13447 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13448 DisplayTitle(line);
13450 DisplayTitle(title);
13452 gameMode = EditGame;
13455 timeRemaining[0][1] = whiteTimeRemaining;
13456 timeRemaining[1][1] = blackTimeRemaining;
13457 DrawPosition(FALSE, boards[currentMove]);
13464 CopyPlayerNameIntoFileName (char **dest, char *src)
13466 while (*src != NULLCHAR && *src != ',') {
13471 *(*dest)++ = *src++;
13477 DefaultFileName (char *ext)
13479 static char def[MSG_SIZ];
13482 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13484 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13486 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13488 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13495 /* Save the current game to the given file */
13497 SaveGameToFile (char *filename, int append)
13501 int result, i, t,tot=0;
13503 if (strcmp(filename, "-") == 0) {
13504 return SaveGame(stdout, 0, NULL);
13506 for(i=0; i<10; i++) { // upto 10 tries
13507 f = fopen(filename, append ? "a" : "w");
13508 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13509 if(f || errno != 13) break;
13510 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13514 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13515 DisplayError(buf, errno);
13518 safeStrCpy(buf, lastMsg, MSG_SIZ);
13519 DisplayMessage(_("Waiting for access to save file"), "");
13520 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13521 DisplayMessage(_("Saving game"), "");
13522 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13523 result = SaveGame(f, 0, NULL);
13524 DisplayMessage(buf, "");
13531 SavePart (char *str)
13533 static char buf[MSG_SIZ];
13536 p = strchr(str, ' ');
13537 if (p == NULL) return str;
13538 strncpy(buf, str, p - str);
13539 buf[p - str] = NULLCHAR;
13543 #define PGN_MAX_LINE 75
13545 #define PGN_SIDE_WHITE 0
13546 #define PGN_SIDE_BLACK 1
13549 FindFirstMoveOutOfBook (int side)
13553 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13554 int index = backwardMostMove;
13555 int has_book_hit = 0;
13557 if( (index % 2) != side ) {
13561 while( index < forwardMostMove ) {
13562 /* Check to see if engine is in book */
13563 int depth = pvInfoList[index].depth;
13564 int score = pvInfoList[index].score;
13570 else if( score == 0 && depth == 63 ) {
13571 in_book = 1; /* Zappa */
13573 else if( score == 2 && depth == 99 ) {
13574 in_book = 1; /* Abrok */
13577 has_book_hit += in_book;
13593 GetOutOfBookInfo (char * buf)
13597 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13599 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13600 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13604 if( oob[0] >= 0 || oob[1] >= 0 ) {
13605 for( i=0; i<2; i++ ) {
13609 if( i > 0 && oob[0] >= 0 ) {
13610 strcat( buf, " " );
13613 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13614 sprintf( buf+strlen(buf), "%s%.2f",
13615 pvInfoList[idx].score >= 0 ? "+" : "",
13616 pvInfoList[idx].score / 100.0 );
13622 /* Save game in PGN style */
13624 SaveGamePGN2 (FILE *f)
13626 int i, offset, linelen, newblock;
13629 int movelen, numlen, blank;
13630 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13632 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13634 PrintPGNTags(f, &gameInfo);
13636 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13638 if (backwardMostMove > 0 || startedFromSetupPosition) {
13639 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13640 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13641 fprintf(f, "\n{--------------\n");
13642 PrintPosition(f, backwardMostMove);
13643 fprintf(f, "--------------}\n");
13647 /* [AS] Out of book annotation */
13648 if( appData.saveOutOfBookInfo ) {
13651 GetOutOfBookInfo( buf );
13653 if( buf[0] != '\0' ) {
13654 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13661 i = backwardMostMove;
13665 while (i < forwardMostMove) {
13666 /* Print comments preceding this move */
13667 if (commentList[i] != NULL) {
13668 if (linelen > 0) fprintf(f, "\n");
13669 fprintf(f, "%s", commentList[i]);
13674 /* Format move number */
13676 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13679 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13681 numtext[0] = NULLCHAR;
13683 numlen = strlen(numtext);
13686 /* Print move number */
13687 blank = linelen > 0 && numlen > 0;
13688 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13697 fprintf(f, "%s", numtext);
13701 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13702 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13705 blank = linelen > 0 && movelen > 0;
13706 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13715 fprintf(f, "%s", move_buffer);
13716 linelen += movelen;
13718 /* [AS] Add PV info if present */
13719 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13720 /* [HGM] add time */
13721 char buf[MSG_SIZ]; int seconds;
13723 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13729 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13732 seconds = (seconds + 4)/10; // round to full seconds
13734 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13736 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13739 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13740 pvInfoList[i].score >= 0 ? "+" : "",
13741 pvInfoList[i].score / 100.0,
13742 pvInfoList[i].depth,
13745 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13747 /* Print score/depth */
13748 blank = linelen > 0 && movelen > 0;
13749 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13758 fprintf(f, "%s", move_buffer);
13759 linelen += movelen;
13765 /* Start a new line */
13766 if (linelen > 0) fprintf(f, "\n");
13768 /* Print comments after last move */
13769 if (commentList[i] != NULL) {
13770 fprintf(f, "%s\n", commentList[i]);
13774 if (gameInfo.resultDetails != NULL &&
13775 gameInfo.resultDetails[0] != NULLCHAR) {
13776 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13777 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13778 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13779 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13780 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13782 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13786 /* Save game in PGN style and close the file */
13788 SaveGamePGN (FILE *f)
13792 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13796 /* Save game in old style and close the file */
13798 SaveGameOldStyle (FILE *f)
13803 tm = time((time_t *) NULL);
13805 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13808 if (backwardMostMove > 0 || startedFromSetupPosition) {
13809 fprintf(f, "\n[--------------\n");
13810 PrintPosition(f, backwardMostMove);
13811 fprintf(f, "--------------]\n");
13816 i = backwardMostMove;
13817 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13819 while (i < forwardMostMove) {
13820 if (commentList[i] != NULL) {
13821 fprintf(f, "[%s]\n", commentList[i]);
13824 if ((i % 2) == 1) {
13825 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13828 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13830 if (commentList[i] != NULL) {
13834 if (i >= forwardMostMove) {
13838 fprintf(f, "%s\n", parseList[i]);
13843 if (commentList[i] != NULL) {
13844 fprintf(f, "[%s]\n", commentList[i]);
13847 /* This isn't really the old style, but it's close enough */
13848 if (gameInfo.resultDetails != NULL &&
13849 gameInfo.resultDetails[0] != NULLCHAR) {
13850 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13851 gameInfo.resultDetails);
13853 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13860 /* Save the current game to open file f and close the file */
13862 SaveGame (FILE *f, int dummy, char *dummy2)
13864 if (gameMode == EditPosition) EditPositionDone(TRUE);
13865 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13866 if (appData.oldSaveStyle)
13867 return SaveGameOldStyle(f);
13869 return SaveGamePGN(f);
13872 /* Save the current position to the given file */
13874 SavePositionToFile (char *filename)
13879 if (strcmp(filename, "-") == 0) {
13880 return SavePosition(stdout, 0, NULL);
13882 f = fopen(filename, "a");
13884 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13885 DisplayError(buf, errno);
13888 safeStrCpy(buf, lastMsg, MSG_SIZ);
13889 DisplayMessage(_("Waiting for access to save file"), "");
13890 flock(fileno(f), LOCK_EX); // [HGM] lock
13891 DisplayMessage(_("Saving position"), "");
13892 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13893 SavePosition(f, 0, NULL);
13894 DisplayMessage(buf, "");
13900 /* Save the current position to the given open file and close the file */
13902 SavePosition (FILE *f, int dummy, char *dummy2)
13907 if (gameMode == EditPosition) EditPositionDone(TRUE);
13908 if (appData.oldSaveStyle) {
13909 tm = time((time_t *) NULL);
13911 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13913 fprintf(f, "[--------------\n");
13914 PrintPosition(f, currentMove);
13915 fprintf(f, "--------------]\n");
13917 fen = PositionToFEN(currentMove, NULL, 1);
13918 fprintf(f, "%s\n", fen);
13926 ReloadCmailMsgEvent (int unregister)
13929 static char *inFilename = NULL;
13930 static char *outFilename;
13932 struct stat inbuf, outbuf;
13935 /* Any registered moves are unregistered if unregister is set, */
13936 /* i.e. invoked by the signal handler */
13938 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13939 cmailMoveRegistered[i] = FALSE;
13940 if (cmailCommentList[i] != NULL) {
13941 free(cmailCommentList[i]);
13942 cmailCommentList[i] = NULL;
13945 nCmailMovesRegistered = 0;
13948 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13949 cmailResult[i] = CMAIL_NOT_RESULT;
13953 if (inFilename == NULL) {
13954 /* Because the filenames are static they only get malloced once */
13955 /* and they never get freed */
13956 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13957 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13959 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13960 sprintf(outFilename, "%s.out", appData.cmailGameName);
13963 status = stat(outFilename, &outbuf);
13965 cmailMailedMove = FALSE;
13967 status = stat(inFilename, &inbuf);
13968 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13971 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13972 counts the games, notes how each one terminated, etc.
13974 It would be nice to remove this kludge and instead gather all
13975 the information while building the game list. (And to keep it
13976 in the game list nodes instead of having a bunch of fixed-size
13977 parallel arrays.) Note this will require getting each game's
13978 termination from the PGN tags, as the game list builder does
13979 not process the game moves. --mann
13981 cmailMsgLoaded = TRUE;
13982 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13984 /* Load first game in the file or popup game menu */
13985 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13987 #endif /* !WIN32 */
13995 char string[MSG_SIZ];
13997 if ( cmailMailedMove
13998 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13999 return TRUE; /* Allow free viewing */
14002 /* Unregister move to ensure that we don't leave RegisterMove */
14003 /* with the move registered when the conditions for registering no */
14005 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14006 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14007 nCmailMovesRegistered --;
14009 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14011 free(cmailCommentList[lastLoadGameNumber - 1]);
14012 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14016 if (cmailOldMove == -1) {
14017 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14021 if (currentMove > cmailOldMove + 1) {
14022 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14026 if (currentMove < cmailOldMove) {
14027 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14031 if (forwardMostMove > currentMove) {
14032 /* Silently truncate extra moves */
14036 if ( (currentMove == cmailOldMove + 1)
14037 || ( (currentMove == cmailOldMove)
14038 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14039 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14040 if (gameInfo.result != GameUnfinished) {
14041 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14044 if (commentList[currentMove] != NULL) {
14045 cmailCommentList[lastLoadGameNumber - 1]
14046 = StrSave(commentList[currentMove]);
14048 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14050 if (appData.debugMode)
14051 fprintf(debugFP, "Saving %s for game %d\n",
14052 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14054 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14056 f = fopen(string, "w");
14057 if (appData.oldSaveStyle) {
14058 SaveGameOldStyle(f); /* also closes the file */
14060 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14061 f = fopen(string, "w");
14062 SavePosition(f, 0, NULL); /* also closes the file */
14064 fprintf(f, "{--------------\n");
14065 PrintPosition(f, currentMove);
14066 fprintf(f, "--------------}\n\n");
14068 SaveGame(f, 0, NULL); /* also closes the file*/
14071 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14072 nCmailMovesRegistered ++;
14073 } else if (nCmailGames == 1) {
14074 DisplayError(_("You have not made a move yet"), 0);
14085 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14086 FILE *commandOutput;
14087 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14088 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14094 if (! cmailMsgLoaded) {
14095 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14099 if (nCmailGames == nCmailResults) {
14100 DisplayError(_("No unfinished games"), 0);
14104 #if CMAIL_PROHIBIT_REMAIL
14105 if (cmailMailedMove) {
14106 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);
14107 DisplayError(msg, 0);
14112 if (! (cmailMailedMove || RegisterMove())) return;
14114 if ( cmailMailedMove
14115 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14116 snprintf(string, MSG_SIZ, partCommandString,
14117 appData.debugMode ? " -v" : "", appData.cmailGameName);
14118 commandOutput = popen(string, "r");
14120 if (commandOutput == NULL) {
14121 DisplayError(_("Failed to invoke cmail"), 0);
14123 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14124 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14126 if (nBuffers > 1) {
14127 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14128 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14129 nBytes = MSG_SIZ - 1;
14131 (void) memcpy(msg, buffer, nBytes);
14133 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14135 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14136 cmailMailedMove = TRUE; /* Prevent >1 moves */
14139 for (i = 0; i < nCmailGames; i ++) {
14140 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14145 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14147 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14149 appData.cmailGameName,
14151 LoadGameFromFile(buffer, 1, buffer, FALSE);
14152 cmailMsgLoaded = FALSE;
14156 DisplayInformation(msg);
14157 pclose(commandOutput);
14160 if ((*cmailMsg) != '\0') {
14161 DisplayInformation(cmailMsg);
14166 #endif /* !WIN32 */
14175 int prependComma = 0;
14177 char string[MSG_SIZ]; /* Space for game-list */
14180 if (!cmailMsgLoaded) return "";
14182 if (cmailMailedMove) {
14183 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14185 /* Create a list of games left */
14186 snprintf(string, MSG_SIZ, "[");
14187 for (i = 0; i < nCmailGames; i ++) {
14188 if (! ( cmailMoveRegistered[i]
14189 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14190 if (prependComma) {
14191 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14193 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14197 strcat(string, number);
14200 strcat(string, "]");
14202 if (nCmailMovesRegistered + nCmailResults == 0) {
14203 switch (nCmailGames) {
14205 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14209 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14213 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14218 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14220 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14225 if (nCmailResults == nCmailGames) {
14226 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14228 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14233 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14245 if (gameMode == Training)
14246 SetTrainingModeOff();
14249 cmailMsgLoaded = FALSE;
14250 if (appData.icsActive) {
14251 SendToICS(ics_prefix);
14252 SendToICS("refresh\n");
14257 ExitEvent (int status)
14261 /* Give up on clean exit */
14265 /* Keep trying for clean exit */
14269 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14270 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14272 if (telnetISR != NULL) {
14273 RemoveInputSource(telnetISR);
14275 if (icsPR != NoProc) {
14276 DestroyChildProcess(icsPR, TRUE);
14279 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14280 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14282 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14283 /* make sure this other one finishes before killing it! */
14284 if(endingGame) { int count = 0;
14285 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14286 while(endingGame && count++ < 10) DoSleep(1);
14287 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14290 /* Kill off chess programs */
14291 if (first.pr != NoProc) {
14294 DoSleep( appData.delayBeforeQuit );
14295 SendToProgram("quit\n", &first);
14296 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14298 if (second.pr != NoProc) {
14299 DoSleep( appData.delayBeforeQuit );
14300 SendToProgram("quit\n", &second);
14301 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14303 if (first.isr != NULL) {
14304 RemoveInputSource(first.isr);
14306 if (second.isr != NULL) {
14307 RemoveInputSource(second.isr);
14310 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14311 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14313 ShutDownFrontEnd();
14318 PauseEngine (ChessProgramState *cps)
14320 SendToProgram("pause\n", cps);
14325 UnPauseEngine (ChessProgramState *cps)
14327 SendToProgram("resume\n", cps);
14334 if (appData.debugMode)
14335 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14339 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14341 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14342 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14343 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14345 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14346 HandleMachineMove(stashedInputMove, stalledEngine);
14347 stalledEngine = NULL;
14350 if (gameMode == MachinePlaysWhite ||
14351 gameMode == TwoMachinesPlay ||
14352 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14353 if(first.pause) UnPauseEngine(&first);
14354 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14355 if(second.pause) UnPauseEngine(&second);
14356 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14359 DisplayBothClocks();
14361 if (gameMode == PlayFromGameFile) {
14362 if (appData.timeDelay >= 0)
14363 AutoPlayGameLoop();
14364 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14365 Reset(FALSE, TRUE);
14366 SendToICS(ics_prefix);
14367 SendToICS("refresh\n");
14368 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14369 ForwardInner(forwardMostMove);
14371 pauseExamInvalid = FALSE;
14373 switch (gameMode) {
14377 pauseExamForwardMostMove = forwardMostMove;
14378 pauseExamInvalid = FALSE;
14381 case IcsPlayingWhite:
14382 case IcsPlayingBlack:
14386 case PlayFromGameFile:
14387 (void) StopLoadGameTimer();
14391 case BeginningOfGame:
14392 if (appData.icsActive) return;
14393 /* else fall through */
14394 case MachinePlaysWhite:
14395 case MachinePlaysBlack:
14396 case TwoMachinesPlay:
14397 if (forwardMostMove == 0)
14398 return; /* don't pause if no one has moved */
14399 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14400 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14401 if(onMove->pause) { // thinking engine can be paused
14402 PauseEngine(onMove); // do it
14403 if(onMove->other->pause) // pondering opponent can always be paused immediately
14404 PauseEngine(onMove->other);
14406 SendToProgram("easy\n", onMove->other);
14408 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14409 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14411 PauseEngine(&first);
14413 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14414 } else { // human on move, pause pondering by either method
14416 PauseEngine(&first);
14417 else if(appData.ponderNextMove)
14418 SendToProgram("easy\n", &first);
14421 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14431 EditCommentEvent ()
14433 char title[MSG_SIZ];
14435 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14436 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14438 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14439 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14440 parseList[currentMove - 1]);
14443 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14450 char *tags = PGNTags(&gameInfo);
14452 EditTagsPopUp(tags, NULL);
14459 if(second.analyzing) {
14460 SendToProgram("exit\n", &second);
14461 second.analyzing = FALSE;
14463 if (second.pr == NoProc) StartChessProgram(&second);
14464 InitChessProgram(&second, FALSE);
14465 FeedMovesToProgram(&second, currentMove);
14467 SendToProgram("analyze\n", &second);
14468 second.analyzing = TRUE;
14472 /* Toggle ShowThinking */
14474 ToggleShowThinking()
14476 appData.showThinking = !appData.showThinking;
14477 ShowThinkingEvent();
14481 AnalyzeModeEvent ()
14485 if (!first.analysisSupport) {
14486 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14487 DisplayError(buf, 0);
14490 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14491 if (appData.icsActive) {
14492 if (gameMode != IcsObserving) {
14493 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14494 DisplayError(buf, 0);
14496 if (appData.icsEngineAnalyze) {
14497 if (appData.debugMode)
14498 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14504 /* if enable, user wants to disable icsEngineAnalyze */
14505 if (appData.icsEngineAnalyze) {
14510 appData.icsEngineAnalyze = TRUE;
14511 if (appData.debugMode)
14512 fprintf(debugFP, "ICS engine analyze starting... \n");
14515 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14516 if (appData.noChessProgram || gameMode == AnalyzeMode)
14519 if (gameMode != AnalyzeFile) {
14520 if (!appData.icsEngineAnalyze) {
14522 if (gameMode != EditGame) return 0;
14524 if (!appData.showThinking) ToggleShowThinking();
14525 ResurrectChessProgram();
14526 SendToProgram("analyze\n", &first);
14527 first.analyzing = TRUE;
14528 /*first.maybeThinking = TRUE;*/
14529 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14530 EngineOutputPopUp();
14532 if (!appData.icsEngineAnalyze) {
14533 gameMode = AnalyzeMode;
14534 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14540 StartAnalysisClock();
14541 GetTimeMark(&lastNodeCountTime);
14547 AnalyzeFileEvent ()
14549 if (appData.noChessProgram || gameMode == AnalyzeFile)
14552 if (!first.analysisSupport) {
14554 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14555 DisplayError(buf, 0);
14559 if (gameMode != AnalyzeMode) {
14560 keepInfo = 1; // mere annotating should not alter PGN tags
14563 if (gameMode != EditGame) return;
14564 if (!appData.showThinking) ToggleShowThinking();
14565 ResurrectChessProgram();
14566 SendToProgram("analyze\n", &first);
14567 first.analyzing = TRUE;
14568 /*first.maybeThinking = TRUE;*/
14569 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14570 EngineOutputPopUp();
14572 gameMode = AnalyzeFile;
14576 StartAnalysisClock();
14577 GetTimeMark(&lastNodeCountTime);
14579 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14580 AnalysisPeriodicEvent(1);
14584 MachineWhiteEvent ()
14587 char *bookHit = NULL;
14589 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14593 if (gameMode == PlayFromGameFile ||
14594 gameMode == TwoMachinesPlay ||
14595 gameMode == Training ||
14596 gameMode == AnalyzeMode ||
14597 gameMode == EndOfGame)
14600 if (gameMode == EditPosition)
14601 EditPositionDone(TRUE);
14603 if (!WhiteOnMove(currentMove)) {
14604 DisplayError(_("It is not White's turn"), 0);
14608 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14611 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14612 gameMode == AnalyzeFile)
14615 ResurrectChessProgram(); /* in case it isn't running */
14616 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14617 gameMode = MachinePlaysWhite;
14620 gameMode = MachinePlaysWhite;
14624 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14626 if (first.sendName) {
14627 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14628 SendToProgram(buf, &first);
14630 if (first.sendTime) {
14631 if (first.useColors) {
14632 SendToProgram("black\n", &first); /*gnu kludge*/
14634 SendTimeRemaining(&first, TRUE);
14636 if (first.useColors) {
14637 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14639 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14640 SetMachineThinkingEnables();
14641 first.maybeThinking = TRUE;
14645 if (appData.autoFlipView && !flipView) {
14646 flipView = !flipView;
14647 DrawPosition(FALSE, NULL);
14648 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14651 if(bookHit) { // [HGM] book: simulate book reply
14652 static char bookMove[MSG_SIZ]; // a bit generous?
14654 programStats.nodes = programStats.depth = programStats.time =
14655 programStats.score = programStats.got_only_move = 0;
14656 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14658 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14659 strcat(bookMove, bookHit);
14660 HandleMachineMove(bookMove, &first);
14665 MachineBlackEvent ()
14668 char *bookHit = NULL;
14670 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14674 if (gameMode == PlayFromGameFile ||
14675 gameMode == TwoMachinesPlay ||
14676 gameMode == Training ||
14677 gameMode == AnalyzeMode ||
14678 gameMode == EndOfGame)
14681 if (gameMode == EditPosition)
14682 EditPositionDone(TRUE);
14684 if (WhiteOnMove(currentMove)) {
14685 DisplayError(_("It is not Black's turn"), 0);
14689 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14692 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14693 gameMode == AnalyzeFile)
14696 ResurrectChessProgram(); /* in case it isn't running */
14697 gameMode = MachinePlaysBlack;
14701 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14703 if (first.sendName) {
14704 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14705 SendToProgram(buf, &first);
14707 if (first.sendTime) {
14708 if (first.useColors) {
14709 SendToProgram("white\n", &first); /*gnu kludge*/
14711 SendTimeRemaining(&first, FALSE);
14713 if (first.useColors) {
14714 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14716 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14717 SetMachineThinkingEnables();
14718 first.maybeThinking = TRUE;
14721 if (appData.autoFlipView && flipView) {
14722 flipView = !flipView;
14723 DrawPosition(FALSE, NULL);
14724 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14726 if(bookHit) { // [HGM] book: simulate book reply
14727 static char bookMove[MSG_SIZ]; // a bit generous?
14729 programStats.nodes = programStats.depth = programStats.time =
14730 programStats.score = programStats.got_only_move = 0;
14731 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14733 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14734 strcat(bookMove, bookHit);
14735 HandleMachineMove(bookMove, &first);
14741 DisplayTwoMachinesTitle ()
14744 if (appData.matchGames > 0) {
14745 if(appData.tourneyFile[0]) {
14746 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14747 gameInfo.white, _("vs."), gameInfo.black,
14748 nextGame+1, appData.matchGames+1,
14749 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14751 if (first.twoMachinesColor[0] == 'w') {
14752 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14753 gameInfo.white, _("vs."), gameInfo.black,
14754 first.matchWins, second.matchWins,
14755 matchGame - 1 - (first.matchWins + second.matchWins));
14757 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14758 gameInfo.white, _("vs."), gameInfo.black,
14759 second.matchWins, first.matchWins,
14760 matchGame - 1 - (first.matchWins + second.matchWins));
14763 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14769 SettingsMenuIfReady ()
14771 if (second.lastPing != second.lastPong) {
14772 DisplayMessage("", _("Waiting for second chess program"));
14773 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14777 DisplayMessage("", "");
14778 SettingsPopUp(&second);
14782 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14785 if (cps->pr == NoProc) {
14786 StartChessProgram(cps);
14787 if (cps->protocolVersion == 1) {
14789 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14791 /* kludge: allow timeout for initial "feature" command */
14792 if(retry != TwoMachinesEventIfReady) FreezeUI();
14793 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14794 DisplayMessage("", buf);
14795 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14803 TwoMachinesEvent P((void))
14807 ChessProgramState *onmove;
14808 char *bookHit = NULL;
14809 static int stalling = 0;
14813 if (appData.noChessProgram) return;
14815 switch (gameMode) {
14816 case TwoMachinesPlay:
14818 case MachinePlaysWhite:
14819 case MachinePlaysBlack:
14820 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14821 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14825 case BeginningOfGame:
14826 case PlayFromGameFile:
14829 if (gameMode != EditGame) return;
14832 EditPositionDone(TRUE);
14843 // forwardMostMove = currentMove;
14844 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14845 startingEngine = TRUE;
14847 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14849 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14850 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14851 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14854 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14856 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14857 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14858 startingEngine = matchMode = FALSE;
14859 DisplayError("second engine does not play this", 0);
14860 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14861 EditGameEvent(); // switch back to EditGame mode
14866 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14867 SendToProgram("force\n", &second);
14869 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14872 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14873 if(appData.matchPause>10000 || appData.matchPause<10)
14874 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14875 wait = SubtractTimeMarks(&now, &pauseStart);
14876 if(wait < appData.matchPause) {
14877 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14880 // we are now committed to starting the game
14882 DisplayMessage("", "");
14883 if (startedFromSetupPosition) {
14884 SendBoard(&second, backwardMostMove);
14885 if (appData.debugMode) {
14886 fprintf(debugFP, "Two Machines\n");
14889 for (i = backwardMostMove; i < forwardMostMove; i++) {
14890 SendMoveToProgram(i, &second);
14893 gameMode = TwoMachinesPlay;
14894 pausing = startingEngine = FALSE;
14895 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14897 DisplayTwoMachinesTitle();
14899 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14904 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14905 SendToProgram(first.computerString, &first);
14906 if (first.sendName) {
14907 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14908 SendToProgram(buf, &first);
14910 SendToProgram(second.computerString, &second);
14911 if (second.sendName) {
14912 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14913 SendToProgram(buf, &second);
14917 if (!first.sendTime || !second.sendTime) {
14918 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14919 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14921 if (onmove->sendTime) {
14922 if (onmove->useColors) {
14923 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14925 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14927 if (onmove->useColors) {
14928 SendToProgram(onmove->twoMachinesColor, onmove);
14930 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14931 // SendToProgram("go\n", onmove);
14932 onmove->maybeThinking = TRUE;
14933 SetMachineThinkingEnables();
14937 if(bookHit) { // [HGM] book: simulate book reply
14938 static char bookMove[MSG_SIZ]; // a bit generous?
14940 programStats.nodes = programStats.depth = programStats.time =
14941 programStats.score = programStats.got_only_move = 0;
14942 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14944 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14945 strcat(bookMove, bookHit);
14946 savedMessage = bookMove; // args for deferred call
14947 savedState = onmove;
14948 ScheduleDelayedEvent(DeferredBookMove, 1);
14955 if (gameMode == Training) {
14956 SetTrainingModeOff();
14957 gameMode = PlayFromGameFile;
14958 DisplayMessage("", _("Training mode off"));
14960 gameMode = Training;
14961 animateTraining = appData.animate;
14963 /* make sure we are not already at the end of the game */
14964 if (currentMove < forwardMostMove) {
14965 SetTrainingModeOn();
14966 DisplayMessage("", _("Training mode on"));
14968 gameMode = PlayFromGameFile;
14969 DisplayError(_("Already at end of game"), 0);
14978 if (!appData.icsActive) return;
14979 switch (gameMode) {
14980 case IcsPlayingWhite:
14981 case IcsPlayingBlack:
14984 case BeginningOfGame:
14992 EditPositionDone(TRUE);
15005 gameMode = IcsIdle;
15015 switch (gameMode) {
15017 SetTrainingModeOff();
15019 case MachinePlaysWhite:
15020 case MachinePlaysBlack:
15021 case BeginningOfGame:
15022 SendToProgram("force\n", &first);
15023 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15024 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15026 abortEngineThink = TRUE;
15027 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15028 SendToProgram(buf, &first);
15029 DisplayMessage("Aborting engine think", "");
15033 SetUserThinkingEnables();
15035 case PlayFromGameFile:
15036 (void) StopLoadGameTimer();
15037 if (gameFileFP != NULL) {
15042 EditPositionDone(TRUE);
15047 SendToProgram("force\n", &first);
15049 case TwoMachinesPlay:
15050 GameEnds(EndOfFile, NULL, GE_PLAYER);
15051 ResurrectChessProgram();
15052 SetUserThinkingEnables();
15055 ResurrectChessProgram();
15057 case IcsPlayingBlack:
15058 case IcsPlayingWhite:
15059 DisplayError(_("Warning: You are still playing a game"), 0);
15062 DisplayError(_("Warning: You are still observing a game"), 0);
15065 DisplayError(_("Warning: You are still examining a game"), 0);
15076 first.offeredDraw = second.offeredDraw = 0;
15078 if (gameMode == PlayFromGameFile) {
15079 whiteTimeRemaining = timeRemaining[0][currentMove];
15080 blackTimeRemaining = timeRemaining[1][currentMove];
15084 if (gameMode == MachinePlaysWhite ||
15085 gameMode == MachinePlaysBlack ||
15086 gameMode == TwoMachinesPlay ||
15087 gameMode == EndOfGame) {
15088 i = forwardMostMove;
15089 while (i > currentMove) {
15090 SendToProgram("undo\n", &first);
15093 if(!adjustedClock) {
15094 whiteTimeRemaining = timeRemaining[0][currentMove];
15095 blackTimeRemaining = timeRemaining[1][currentMove];
15096 DisplayBothClocks();
15098 if (whiteFlag || blackFlag) {
15099 whiteFlag = blackFlag = 0;
15104 gameMode = EditGame;
15111 EditPositionEvent ()
15113 if (gameMode == EditPosition) {
15119 if (gameMode != EditGame) return;
15121 gameMode = EditPosition;
15124 if (currentMove > 0)
15125 CopyBoard(boards[0], boards[currentMove]);
15127 blackPlaysFirst = !WhiteOnMove(currentMove);
15129 currentMove = forwardMostMove = backwardMostMove = 0;
15130 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15132 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15138 /* [DM] icsEngineAnalyze - possible call from other functions */
15139 if (appData.icsEngineAnalyze) {
15140 appData.icsEngineAnalyze = FALSE;
15142 DisplayMessage("",_("Close ICS engine analyze..."));
15144 if (first.analysisSupport && first.analyzing) {
15145 SendToBoth("exit\n");
15146 first.analyzing = second.analyzing = FALSE;
15148 thinkOutput[0] = NULLCHAR;
15152 EditPositionDone (Boolean fakeRights)
15154 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15156 startedFromSetupPosition = TRUE;
15157 InitChessProgram(&first, FALSE);
15158 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15159 boards[0][EP_STATUS] = EP_NONE;
15160 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15161 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15162 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15163 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15164 } else boards[0][CASTLING][2] = NoRights;
15165 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15166 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15167 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15168 } else boards[0][CASTLING][5] = NoRights;
15169 if(gameInfo.variant == VariantSChess) {
15171 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15172 boards[0][VIRGIN][i] = 0;
15173 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15174 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15178 SendToProgram("force\n", &first);
15179 if (blackPlaysFirst) {
15180 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15181 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15182 currentMove = forwardMostMove = backwardMostMove = 1;
15183 CopyBoard(boards[1], boards[0]);
15185 currentMove = forwardMostMove = backwardMostMove = 0;
15187 SendBoard(&first, forwardMostMove);
15188 if (appData.debugMode) {
15189 fprintf(debugFP, "EditPosDone\n");
15192 DisplayMessage("", "");
15193 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15194 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15195 gameMode = EditGame;
15197 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15198 ClearHighlights(); /* [AS] */
15201 /* Pause for `ms' milliseconds */
15202 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15204 TimeDelay (long ms)
15211 } while (SubtractTimeMarks(&m2, &m1) < ms);
15214 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15216 SendMultiLineToICS (char *buf)
15218 char temp[MSG_SIZ+1], *p;
15225 strncpy(temp, buf, len);
15230 if (*p == '\n' || *p == '\r')
15235 strcat(temp, "\n");
15237 SendToPlayer(temp, strlen(temp));
15241 SetWhiteToPlayEvent ()
15243 if (gameMode == EditPosition) {
15244 blackPlaysFirst = FALSE;
15245 DisplayBothClocks(); /* works because currentMove is 0 */
15246 } else if (gameMode == IcsExamining) {
15247 SendToICS(ics_prefix);
15248 SendToICS("tomove white\n");
15253 SetBlackToPlayEvent ()
15255 if (gameMode == EditPosition) {
15256 blackPlaysFirst = TRUE;
15257 currentMove = 1; /* kludge */
15258 DisplayBothClocks();
15260 } else if (gameMode == IcsExamining) {
15261 SendToICS(ics_prefix);
15262 SendToICS("tomove black\n");
15267 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15270 ChessSquare piece = boards[0][y][x];
15271 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15272 static int lastVariant;
15274 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15276 switch (selection) {
15278 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15279 MarkTargetSquares(1);
15280 CopyBoard(currentBoard, boards[0]);
15281 CopyBoard(menuBoard, initialPosition);
15282 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15283 SendToICS(ics_prefix);
15284 SendToICS("bsetup clear\n");
15285 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15286 SendToICS(ics_prefix);
15287 SendToICS("clearboard\n");
15290 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15291 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15292 for (y = 0; y < BOARD_HEIGHT; y++) {
15293 if (gameMode == IcsExamining) {
15294 if (boards[currentMove][y][x] != EmptySquare) {
15295 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15299 } else if(boards[0][y][x] != DarkSquare) {
15300 if(boards[0][y][x] != p) nonEmpty++;
15301 boards[0][y][x] = p;
15305 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15307 for(r = 0; r < BOARD_HEIGHT; r++) {
15308 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15309 ChessSquare p = menuBoard[r][x];
15310 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15313 DisplayMessage("Clicking clock again restores position", "");
15314 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15315 if(!nonEmpty) { // asked to clear an empty board
15316 CopyBoard(boards[0], menuBoard);
15318 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15319 CopyBoard(boards[0], initialPosition);
15321 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15322 && !CompareBoards(nullBoard, erasedBoard)) {
15323 CopyBoard(boards[0], erasedBoard);
15325 CopyBoard(erasedBoard, currentBoard);
15329 if (gameMode == EditPosition) {
15330 DrawPosition(FALSE, boards[0]);
15335 SetWhiteToPlayEvent();
15339 SetBlackToPlayEvent();
15343 if (gameMode == IcsExamining) {
15344 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15345 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15348 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15349 if(x == BOARD_LEFT-2) {
15350 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15351 boards[0][y][1] = 0;
15353 if(x == BOARD_RGHT+1) {
15354 if(y >= gameInfo.holdingsSize) break;
15355 boards[0][y][BOARD_WIDTH-2] = 0;
15358 boards[0][y][x] = EmptySquare;
15359 DrawPosition(FALSE, boards[0]);
15364 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15365 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15366 selection = (ChessSquare) (PROMOTED piece);
15367 } else if(piece == EmptySquare) selection = WhiteSilver;
15368 else selection = (ChessSquare)((int)piece - 1);
15372 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15373 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15374 selection = (ChessSquare) (DEMOTED piece);
15375 } else if(piece == EmptySquare) selection = BlackSilver;
15376 else selection = (ChessSquare)((int)piece + 1);
15381 if(gameInfo.variant == VariantShatranj ||
15382 gameInfo.variant == VariantXiangqi ||
15383 gameInfo.variant == VariantCourier ||
15384 gameInfo.variant == VariantASEAN ||
15385 gameInfo.variant == VariantMakruk )
15386 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15391 if(gameInfo.variant == VariantXiangqi)
15392 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15393 if(gameInfo.variant == VariantKnightmate)
15394 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15397 if (gameMode == IcsExamining) {
15398 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15399 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15400 PieceToChar(selection), AAA + x, ONE + y);
15403 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15405 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15406 n = PieceToNumber(selection - BlackPawn);
15407 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15408 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15409 boards[0][BOARD_HEIGHT-1-n][1]++;
15411 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15412 n = PieceToNumber(selection);
15413 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15414 boards[0][n][BOARD_WIDTH-1] = selection;
15415 boards[0][n][BOARD_WIDTH-2]++;
15418 boards[0][y][x] = selection;
15419 DrawPosition(TRUE, boards[0]);
15421 fromX = fromY = -1;
15429 DropMenuEvent (ChessSquare selection, int x, int y)
15431 ChessMove moveType;
15433 switch (gameMode) {
15434 case IcsPlayingWhite:
15435 case MachinePlaysBlack:
15436 if (!WhiteOnMove(currentMove)) {
15437 DisplayMoveError(_("It is Black's turn"));
15440 moveType = WhiteDrop;
15442 case IcsPlayingBlack:
15443 case MachinePlaysWhite:
15444 if (WhiteOnMove(currentMove)) {
15445 DisplayMoveError(_("It is White's turn"));
15448 moveType = BlackDrop;
15451 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15457 if (moveType == BlackDrop && selection < BlackPawn) {
15458 selection = (ChessSquare) ((int) selection
15459 + (int) BlackPawn - (int) WhitePawn);
15461 if (boards[currentMove][y][x] != EmptySquare) {
15462 DisplayMoveError(_("That square is occupied"));
15466 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15472 /* Accept a pending offer of any kind from opponent */
15474 if (appData.icsActive) {
15475 SendToICS(ics_prefix);
15476 SendToICS("accept\n");
15477 } else if (cmailMsgLoaded) {
15478 if (currentMove == cmailOldMove &&
15479 commentList[cmailOldMove] != NULL &&
15480 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15481 "Black offers a draw" : "White offers a draw")) {
15483 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15484 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15486 DisplayError(_("There is no pending offer on this move"), 0);
15487 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15490 /* Not used for offers from chess program */
15497 /* Decline a pending offer of any kind from opponent */
15499 if (appData.icsActive) {
15500 SendToICS(ics_prefix);
15501 SendToICS("decline\n");
15502 } else if (cmailMsgLoaded) {
15503 if (currentMove == cmailOldMove &&
15504 commentList[cmailOldMove] != NULL &&
15505 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15506 "Black offers a draw" : "White offers a draw")) {
15508 AppendComment(cmailOldMove, "Draw declined", TRUE);
15509 DisplayComment(cmailOldMove - 1, "Draw declined");
15512 DisplayError(_("There is no pending offer on this move"), 0);
15515 /* Not used for offers from chess program */
15522 /* Issue ICS rematch command */
15523 if (appData.icsActive) {
15524 SendToICS(ics_prefix);
15525 SendToICS("rematch\n");
15532 /* Call your opponent's flag (claim a win on time) */
15533 if (appData.icsActive) {
15534 SendToICS(ics_prefix);
15535 SendToICS("flag\n");
15537 switch (gameMode) {
15540 case MachinePlaysWhite:
15543 GameEnds(GameIsDrawn, "Both players ran out of time",
15546 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15548 DisplayError(_("Your opponent is not out of time"), 0);
15551 case MachinePlaysBlack:
15554 GameEnds(GameIsDrawn, "Both players ran out of time",
15557 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15559 DisplayError(_("Your opponent is not out of time"), 0);
15567 ClockClick (int which)
15568 { // [HGM] code moved to back-end from winboard.c
15569 if(which) { // black clock
15570 if (gameMode == EditPosition || gameMode == IcsExamining) {
15571 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15572 SetBlackToPlayEvent();
15573 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15574 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15575 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15576 } else if (shiftKey) {
15577 AdjustClock(which, -1);
15578 } else if (gameMode == IcsPlayingWhite ||
15579 gameMode == MachinePlaysBlack) {
15582 } else { // white clock
15583 if (gameMode == EditPosition || gameMode == IcsExamining) {
15584 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15585 SetWhiteToPlayEvent();
15586 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15587 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15588 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15589 } else if (shiftKey) {
15590 AdjustClock(which, -1);
15591 } else if (gameMode == IcsPlayingBlack ||
15592 gameMode == MachinePlaysWhite) {
15601 /* Offer draw or accept pending draw offer from opponent */
15603 if (appData.icsActive) {
15604 /* Note: tournament rules require draw offers to be
15605 made after you make your move but before you punch
15606 your clock. Currently ICS doesn't let you do that;
15607 instead, you immediately punch your clock after making
15608 a move, but you can offer a draw at any time. */
15610 SendToICS(ics_prefix);
15611 SendToICS("draw\n");
15612 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15613 } else if (cmailMsgLoaded) {
15614 if (currentMove == cmailOldMove &&
15615 commentList[cmailOldMove] != NULL &&
15616 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15617 "Black offers a draw" : "White offers a draw")) {
15618 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15619 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15620 } else if (currentMove == cmailOldMove + 1) {
15621 char *offer = WhiteOnMove(cmailOldMove) ?
15622 "White offers a draw" : "Black offers a draw";
15623 AppendComment(currentMove, offer, TRUE);
15624 DisplayComment(currentMove - 1, offer);
15625 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15627 DisplayError(_("You must make your move before offering a draw"), 0);
15628 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15630 } else if (first.offeredDraw) {
15631 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15633 if (first.sendDrawOffers) {
15634 SendToProgram("draw\n", &first);
15635 userOfferedDraw = TRUE;
15643 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15645 if (appData.icsActive) {
15646 SendToICS(ics_prefix);
15647 SendToICS("adjourn\n");
15649 /* Currently GNU Chess doesn't offer or accept Adjourns */
15657 /* Offer Abort or accept pending Abort offer from opponent */
15659 if (appData.icsActive) {
15660 SendToICS(ics_prefix);
15661 SendToICS("abort\n");
15663 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15670 /* Resign. You can do this even if it's not your turn. */
15672 if (appData.icsActive) {
15673 SendToICS(ics_prefix);
15674 SendToICS("resign\n");
15676 switch (gameMode) {
15677 case MachinePlaysWhite:
15678 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15680 case MachinePlaysBlack:
15681 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15684 if (cmailMsgLoaded) {
15686 if (WhiteOnMove(cmailOldMove)) {
15687 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15689 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15691 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15702 StopObservingEvent ()
15704 /* Stop observing current games */
15705 SendToICS(ics_prefix);
15706 SendToICS("unobserve\n");
15710 StopExaminingEvent ()
15712 /* Stop observing current game */
15713 SendToICS(ics_prefix);
15714 SendToICS("unexamine\n");
15718 ForwardInner (int target)
15720 int limit; int oldSeekGraphUp = seekGraphUp;
15722 if (appData.debugMode)
15723 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15724 target, currentMove, forwardMostMove);
15726 if (gameMode == EditPosition)
15729 seekGraphUp = FALSE;
15730 MarkTargetSquares(1);
15731 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15733 if (gameMode == PlayFromGameFile && !pausing)
15736 if (gameMode == IcsExamining && pausing)
15737 limit = pauseExamForwardMostMove;
15739 limit = forwardMostMove;
15741 if (target > limit) target = limit;
15743 if (target > 0 && moveList[target - 1][0]) {
15744 int fromX, fromY, toX, toY;
15745 toX = moveList[target - 1][2] - AAA;
15746 toY = moveList[target - 1][3] - ONE;
15747 if (moveList[target - 1][1] == '@') {
15748 if (appData.highlightLastMove) {
15749 SetHighlights(-1, -1, toX, toY);
15752 int viaX = moveList[target - 1][5] - AAA;
15753 int viaY = moveList[target - 1][6] - ONE;
15754 fromX = moveList[target - 1][0] - AAA;
15755 fromY = moveList[target - 1][1] - ONE;
15756 if (target == currentMove + 1) {
15757 if(moveList[target - 1][4] == ';') { // multi-leg
15758 ChessSquare piece = boards[currentMove][viaY][viaX];
15759 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15760 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15761 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15762 boards[currentMove][viaY][viaX] = piece;
15764 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15766 if (appData.highlightLastMove) {
15767 SetHighlights(fromX, fromY, toX, toY);
15771 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15772 gameMode == Training || gameMode == PlayFromGameFile ||
15773 gameMode == AnalyzeFile) {
15774 while (currentMove < target) {
15775 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15776 SendMoveToProgram(currentMove++, &first);
15779 currentMove = target;
15782 if (gameMode == EditGame || gameMode == EndOfGame) {
15783 whiteTimeRemaining = timeRemaining[0][currentMove];
15784 blackTimeRemaining = timeRemaining[1][currentMove];
15786 DisplayBothClocks();
15787 DisplayMove(currentMove - 1);
15788 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15789 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15790 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15791 DisplayComment(currentMove - 1, commentList[currentMove]);
15793 ClearMap(); // [HGM] exclude: invalidate map
15800 if (gameMode == IcsExamining && !pausing) {
15801 SendToICS(ics_prefix);
15802 SendToICS("forward\n");
15804 ForwardInner(currentMove + 1);
15811 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15812 /* to optimze, we temporarily turn off analysis mode while we feed
15813 * the remaining moves to the engine. Otherwise we get analysis output
15816 if (first.analysisSupport) {
15817 SendToProgram("exit\nforce\n", &first);
15818 first.analyzing = FALSE;
15822 if (gameMode == IcsExamining && !pausing) {
15823 SendToICS(ics_prefix);
15824 SendToICS("forward 999999\n");
15826 ForwardInner(forwardMostMove);
15829 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15830 /* we have fed all the moves, so reactivate analysis mode */
15831 SendToProgram("analyze\n", &first);
15832 first.analyzing = TRUE;
15833 /*first.maybeThinking = TRUE;*/
15834 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15839 BackwardInner (int target)
15841 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15843 if (appData.debugMode)
15844 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15845 target, currentMove, forwardMostMove);
15847 if (gameMode == EditPosition) return;
15848 seekGraphUp = FALSE;
15849 MarkTargetSquares(1);
15850 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15851 if (currentMove <= backwardMostMove) {
15853 DrawPosition(full_redraw, boards[currentMove]);
15856 if (gameMode == PlayFromGameFile && !pausing)
15859 if (moveList[target][0]) {
15860 int fromX, fromY, toX, toY;
15861 toX = moveList[target][2] - AAA;
15862 toY = moveList[target][3] - ONE;
15863 if (moveList[target][1] == '@') {
15864 if (appData.highlightLastMove) {
15865 SetHighlights(-1, -1, toX, toY);
15868 fromX = moveList[target][0] - AAA;
15869 fromY = moveList[target][1] - ONE;
15870 if (target == currentMove - 1) {
15871 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15873 if (appData.highlightLastMove) {
15874 SetHighlights(fromX, fromY, toX, toY);
15878 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15879 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15880 while (currentMove > target) {
15881 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15882 // null move cannot be undone. Reload program with move history before it.
15884 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15885 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15887 SendBoard(&first, i);
15888 if(second.analyzing) SendBoard(&second, i);
15889 for(currentMove=i; currentMove<target; currentMove++) {
15890 SendMoveToProgram(currentMove, &first);
15891 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15895 SendToBoth("undo\n");
15899 currentMove = target;
15902 if (gameMode == EditGame || gameMode == EndOfGame) {
15903 whiteTimeRemaining = timeRemaining[0][currentMove];
15904 blackTimeRemaining = timeRemaining[1][currentMove];
15906 DisplayBothClocks();
15907 DisplayMove(currentMove - 1);
15908 DrawPosition(full_redraw, boards[currentMove]);
15909 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15910 // [HGM] PV info: routine tests if comment empty
15911 DisplayComment(currentMove - 1, commentList[currentMove]);
15912 ClearMap(); // [HGM] exclude: invalidate map
15918 if (gameMode == IcsExamining && !pausing) {
15919 SendToICS(ics_prefix);
15920 SendToICS("backward\n");
15922 BackwardInner(currentMove - 1);
15929 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15930 /* to optimize, we temporarily turn off analysis mode while we undo
15931 * all the moves. Otherwise we get analysis output after each undo.
15933 if (first.analysisSupport) {
15934 SendToProgram("exit\nforce\n", &first);
15935 first.analyzing = FALSE;
15939 if (gameMode == IcsExamining && !pausing) {
15940 SendToICS(ics_prefix);
15941 SendToICS("backward 999999\n");
15943 BackwardInner(backwardMostMove);
15946 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15947 /* we have fed all the moves, so reactivate analysis mode */
15948 SendToProgram("analyze\n", &first);
15949 first.analyzing = TRUE;
15950 /*first.maybeThinking = TRUE;*/
15951 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15958 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15959 if (to >= forwardMostMove) to = forwardMostMove;
15960 if (to <= backwardMostMove) to = backwardMostMove;
15961 if (to < currentMove) {
15969 RevertEvent (Boolean annotate)
15971 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15974 if (gameMode != IcsExamining) {
15975 DisplayError(_("You are not examining a game"), 0);
15979 DisplayError(_("You can't revert while pausing"), 0);
15982 SendToICS(ics_prefix);
15983 SendToICS("revert\n");
15987 RetractMoveEvent ()
15989 switch (gameMode) {
15990 case MachinePlaysWhite:
15991 case MachinePlaysBlack:
15992 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15993 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15996 if (forwardMostMove < 2) return;
15997 currentMove = forwardMostMove = forwardMostMove - 2;
15998 whiteTimeRemaining = timeRemaining[0][currentMove];
15999 blackTimeRemaining = timeRemaining[1][currentMove];
16000 DisplayBothClocks();
16001 DisplayMove(currentMove - 1);
16002 ClearHighlights();/*!! could figure this out*/
16003 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16004 SendToProgram("remove\n", &first);
16005 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16008 case BeginningOfGame:
16012 case IcsPlayingWhite:
16013 case IcsPlayingBlack:
16014 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16015 SendToICS(ics_prefix);
16016 SendToICS("takeback 2\n");
16018 SendToICS(ics_prefix);
16019 SendToICS("takeback 1\n");
16028 ChessProgramState *cps;
16030 switch (gameMode) {
16031 case MachinePlaysWhite:
16032 if (!WhiteOnMove(forwardMostMove)) {
16033 DisplayError(_("It is your turn"), 0);
16038 case MachinePlaysBlack:
16039 if (WhiteOnMove(forwardMostMove)) {
16040 DisplayError(_("It is your turn"), 0);
16045 case TwoMachinesPlay:
16046 if (WhiteOnMove(forwardMostMove) ==
16047 (first.twoMachinesColor[0] == 'w')) {
16053 case BeginningOfGame:
16057 SendToProgram("?\n", cps);
16061 TruncateGameEvent ()
16064 if (gameMode != EditGame) return;
16071 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16072 if (forwardMostMove > currentMove) {
16073 if (gameInfo.resultDetails != NULL) {
16074 free(gameInfo.resultDetails);
16075 gameInfo.resultDetails = NULL;
16076 gameInfo.result = GameUnfinished;
16078 forwardMostMove = currentMove;
16079 HistorySet(parseList, backwardMostMove, forwardMostMove,
16087 if (appData.noChessProgram) return;
16088 switch (gameMode) {
16089 case MachinePlaysWhite:
16090 if (WhiteOnMove(forwardMostMove)) {
16091 DisplayError(_("Wait until your turn."), 0);
16095 case BeginningOfGame:
16096 case MachinePlaysBlack:
16097 if (!WhiteOnMove(forwardMostMove)) {
16098 DisplayError(_("Wait until your turn."), 0);
16103 DisplayError(_("No hint available"), 0);
16106 SendToProgram("hint\n", &first);
16107 hintRequested = TRUE;
16111 SaveSelected (FILE *g, int dummy, char *dummy2)
16113 ListGame * lg = (ListGame *) gameList.head;
16117 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16118 DisplayError(_("Game list not loaded or empty"), 0);
16122 creatingBook = TRUE; // suppresses stuff during load game
16124 /* Get list size */
16125 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16126 if(lg->position >= 0) { // selected?
16127 LoadGame(f, nItem, "", TRUE);
16128 SaveGamePGN2(g); // leaves g open
16131 lg = (ListGame *) lg->node.succ;
16135 creatingBook = FALSE;
16143 ListGame * lg = (ListGame *) gameList.head;
16146 static int secondTime = FALSE;
16148 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16149 DisplayError(_("Game list not loaded or empty"), 0);
16153 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16156 DisplayNote(_("Book file exists! Try again for overwrite."));
16160 creatingBook = TRUE;
16161 secondTime = FALSE;
16163 /* Get list size */
16164 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16165 if(lg->position >= 0) {
16166 LoadGame(f, nItem, "", TRUE);
16167 AddGameToBook(TRUE);
16170 lg = (ListGame *) lg->node.succ;
16173 creatingBook = FALSE;
16180 if (appData.noChessProgram) return;
16181 switch (gameMode) {
16182 case MachinePlaysWhite:
16183 if (WhiteOnMove(forwardMostMove)) {
16184 DisplayError(_("Wait until your turn."), 0);
16188 case BeginningOfGame:
16189 case MachinePlaysBlack:
16190 if (!WhiteOnMove(forwardMostMove)) {
16191 DisplayError(_("Wait until your turn."), 0);
16196 EditPositionDone(TRUE);
16198 case TwoMachinesPlay:
16203 SendToProgram("bk\n", &first);
16204 bookOutput[0] = NULLCHAR;
16205 bookRequested = TRUE;
16211 char *tags = PGNTags(&gameInfo);
16212 TagsPopUp(tags, CmailMsg());
16216 /* end button procedures */
16219 PrintPosition (FILE *fp, int move)
16223 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16224 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16225 char c = PieceToChar(boards[move][i][j]);
16226 fputc(c == 'x' ? '.' : c, fp);
16227 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16230 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16231 fprintf(fp, "white to play\n");
16233 fprintf(fp, "black to play\n");
16237 PrintOpponents (FILE *fp)
16239 if (gameInfo.white != NULL) {
16240 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16246 /* Find last component of program's own name, using some heuristics */
16248 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16251 int local = (strcmp(host, "localhost") == 0);
16252 while (!local && (p = strchr(prog, ';')) != NULL) {
16254 while (*p == ' ') p++;
16257 if (*prog == '"' || *prog == '\'') {
16258 q = strchr(prog + 1, *prog);
16260 q = strchr(prog, ' ');
16262 if (q == NULL) q = prog + strlen(prog);
16264 while (p >= prog && *p != '/' && *p != '\\') p--;
16266 if(p == prog && *p == '"') p++;
16268 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16269 memcpy(buf, p, q - p);
16270 buf[q - p] = NULLCHAR;
16278 TimeControlTagValue ()
16281 if (!appData.clockMode) {
16282 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16283 } else if (movesPerSession > 0) {
16284 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16285 } else if (timeIncrement == 0) {
16286 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16288 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16290 return StrSave(buf);
16296 /* This routine is used only for certain modes */
16297 VariantClass v = gameInfo.variant;
16298 ChessMove r = GameUnfinished;
16301 if(keepInfo) return;
16303 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16304 r = gameInfo.result;
16305 p = gameInfo.resultDetails;
16306 gameInfo.resultDetails = NULL;
16308 ClearGameInfo(&gameInfo);
16309 gameInfo.variant = v;
16311 switch (gameMode) {
16312 case MachinePlaysWhite:
16313 gameInfo.event = StrSave( appData.pgnEventHeader );
16314 gameInfo.site = StrSave(HostName());
16315 gameInfo.date = PGNDate();
16316 gameInfo.round = StrSave("-");
16317 gameInfo.white = StrSave(first.tidy);
16318 gameInfo.black = StrSave(UserName());
16319 gameInfo.timeControl = TimeControlTagValue();
16322 case MachinePlaysBlack:
16323 gameInfo.event = StrSave( appData.pgnEventHeader );
16324 gameInfo.site = StrSave(HostName());
16325 gameInfo.date = PGNDate();
16326 gameInfo.round = StrSave("-");
16327 gameInfo.white = StrSave(UserName());
16328 gameInfo.black = StrSave(first.tidy);
16329 gameInfo.timeControl = TimeControlTagValue();
16332 case TwoMachinesPlay:
16333 gameInfo.event = StrSave( appData.pgnEventHeader );
16334 gameInfo.site = StrSave(HostName());
16335 gameInfo.date = PGNDate();
16338 snprintf(buf, MSG_SIZ, "%d", roundNr);
16339 gameInfo.round = StrSave(buf);
16341 gameInfo.round = StrSave("-");
16343 if (first.twoMachinesColor[0] == 'w') {
16344 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16345 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16347 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16348 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16350 gameInfo.timeControl = TimeControlTagValue();
16354 gameInfo.event = StrSave("Edited game");
16355 gameInfo.site = StrSave(HostName());
16356 gameInfo.date = PGNDate();
16357 gameInfo.round = StrSave("-");
16358 gameInfo.white = StrSave("-");
16359 gameInfo.black = StrSave("-");
16360 gameInfo.result = r;
16361 gameInfo.resultDetails = p;
16365 gameInfo.event = StrSave("Edited position");
16366 gameInfo.site = StrSave(HostName());
16367 gameInfo.date = PGNDate();
16368 gameInfo.round = StrSave("-");
16369 gameInfo.white = StrSave("-");
16370 gameInfo.black = StrSave("-");
16373 case IcsPlayingWhite:
16374 case IcsPlayingBlack:
16379 case PlayFromGameFile:
16380 gameInfo.event = StrSave("Game from non-PGN file");
16381 gameInfo.site = StrSave(HostName());
16382 gameInfo.date = PGNDate();
16383 gameInfo.round = StrSave("-");
16384 gameInfo.white = StrSave("?");
16385 gameInfo.black = StrSave("?");
16394 ReplaceComment (int index, char *text)
16400 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16401 pvInfoList[index-1].depth == len &&
16402 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16403 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16404 while (*text == '\n') text++;
16405 len = strlen(text);
16406 while (len > 0 && text[len - 1] == '\n') len--;
16408 if (commentList[index] != NULL)
16409 free(commentList[index]);
16412 commentList[index] = NULL;
16415 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16416 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16417 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16418 commentList[index] = (char *) malloc(len + 2);
16419 strncpy(commentList[index], text, len);
16420 commentList[index][len] = '\n';
16421 commentList[index][len + 1] = NULLCHAR;
16423 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16425 commentList[index] = (char *) malloc(len + 7);
16426 safeStrCpy(commentList[index], "{\n", 3);
16427 safeStrCpy(commentList[index]+2, text, len+1);
16428 commentList[index][len+2] = NULLCHAR;
16429 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16430 strcat(commentList[index], "\n}\n");
16435 CrushCRs (char *text)
16443 if (ch == '\r') continue;
16445 } while (ch != '\0');
16449 AppendComment (int index, char *text, Boolean addBraces)
16450 /* addBraces tells if we should add {} */
16455 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16456 if(addBraces == 3) addBraces = 0; else // force appending literally
16457 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16460 while (*text == '\n') text++;
16461 len = strlen(text);
16462 while (len > 0 && text[len - 1] == '\n') len--;
16463 text[len] = NULLCHAR;
16465 if (len == 0) return;
16467 if (commentList[index] != NULL) {
16468 Boolean addClosingBrace = addBraces;
16469 old = commentList[index];
16470 oldlen = strlen(old);
16471 while(commentList[index][oldlen-1] == '\n')
16472 commentList[index][--oldlen] = NULLCHAR;
16473 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16474 safeStrCpy(commentList[index], old, oldlen + len + 6);
16476 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16477 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16478 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16479 while (*text == '\n') { text++; len--; }
16480 commentList[index][--oldlen] = NULLCHAR;
16482 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16483 else strcat(commentList[index], "\n");
16484 strcat(commentList[index], text);
16485 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16486 else strcat(commentList[index], "\n");
16488 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16490 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16491 else commentList[index][0] = NULLCHAR;
16492 strcat(commentList[index], text);
16493 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16494 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16499 FindStr (char * text, char * sub_text)
16501 char * result = strstr( text, sub_text );
16503 if( result != NULL ) {
16504 result += strlen( sub_text );
16510 /* [AS] Try to extract PV info from PGN comment */
16511 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16513 GetInfoFromComment (int index, char * text)
16515 char * sep = text, *p;
16517 if( text != NULL && index > 0 ) {
16520 int time = -1, sec = 0, deci;
16521 char * s_eval = FindStr( text, "[%eval " );
16522 char * s_emt = FindStr( text, "[%emt " );
16524 if( s_eval != NULL || s_emt != NULL ) {
16526 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16531 if( s_eval != NULL ) {
16532 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16536 if( delim != ']' ) {
16541 if( s_emt != NULL ) {
16546 /* We expect something like: [+|-]nnn.nn/dd */
16549 if(*text != '{') return text; // [HGM] braces: must be normal comment
16551 sep = strchr( text, '/' );
16552 if( sep == NULL || sep < (text+4) ) {
16557 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16558 if(p[1] == '(') { // comment starts with PV
16559 p = strchr(p, ')'); // locate end of PV
16560 if(p == NULL || sep < p+5) return text;
16561 // at this point we have something like "{(.*) +0.23/6 ..."
16562 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16563 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16564 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16566 time = -1; sec = -1; deci = -1;
16567 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16568 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16569 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16570 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16574 if( score_lo < 0 || score_lo >= 100 ) {
16578 if(sec >= 0) time = 600*time + 10*sec; else
16579 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16581 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16583 /* [HGM] PV time: now locate end of PV info */
16584 while( *++sep >= '0' && *sep <= '9'); // strip depth
16586 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16588 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16590 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16591 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16602 pvInfoList[index-1].depth = depth;
16603 pvInfoList[index-1].score = score;
16604 pvInfoList[index-1].time = 10*time; // centi-sec
16605 if(*sep == '}') *sep = 0; else *--sep = '{';
16606 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16612 SendToProgram (char *message, ChessProgramState *cps)
16614 int count, outCount, error;
16617 if (cps->pr == NoProc) return;
16620 if (appData.debugMode) {
16623 fprintf(debugFP, "%ld >%-6s: %s",
16624 SubtractTimeMarks(&now, &programStartTime),
16625 cps->which, message);
16627 fprintf(serverFP, "%ld >%-6s: %s",
16628 SubtractTimeMarks(&now, &programStartTime),
16629 cps->which, message), fflush(serverFP);
16632 count = strlen(message);
16633 outCount = OutputToProcess(cps->pr, message, count, &error);
16634 if (outCount < count && !exiting
16635 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16636 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16637 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16638 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16639 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16640 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16641 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16642 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16644 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16645 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16646 gameInfo.result = res;
16648 gameInfo.resultDetails = StrSave(buf);
16650 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16651 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16656 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16660 ChessProgramState *cps = (ChessProgramState *)closure;
16662 if (isr != cps->isr) return; /* Killed intentionally */
16665 RemoveInputSource(cps->isr);
16666 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16667 _(cps->which), cps->program);
16668 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16669 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16670 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16671 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16672 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16673 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16675 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16676 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16677 gameInfo.result = res;
16679 gameInfo.resultDetails = StrSave(buf);
16681 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16682 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16684 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16685 _(cps->which), cps->program);
16686 RemoveInputSource(cps->isr);
16688 /* [AS] Program is misbehaving badly... kill it */
16689 if( count == -2 ) {
16690 DestroyChildProcess( cps->pr, 9 );
16694 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16699 if ((end_str = strchr(message, '\r')) != NULL)
16700 *end_str = NULLCHAR;
16701 if ((end_str = strchr(message, '\n')) != NULL)
16702 *end_str = NULLCHAR;
16704 if (appData.debugMode) {
16705 TimeMark now; int print = 1;
16706 char *quote = ""; char c; int i;
16708 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16709 char start = message[0];
16710 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16711 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16712 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16713 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16714 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16715 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16716 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16717 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16718 sscanf(message, "hint: %c", &c)!=1 &&
16719 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16720 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16721 print = (appData.engineComments >= 2);
16723 message[0] = start; // restore original message
16727 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16728 SubtractTimeMarks(&now, &programStartTime), cps->which,
16732 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16733 SubtractTimeMarks(&now, &programStartTime), cps->which,
16735 message), fflush(serverFP);
16739 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16740 if (appData.icsEngineAnalyze) {
16741 if (strstr(message, "whisper") != NULL ||
16742 strstr(message, "kibitz") != NULL ||
16743 strstr(message, "tellics") != NULL) return;
16746 HandleMachineMove(message, cps);
16751 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16756 if( timeControl_2 > 0 ) {
16757 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16758 tc = timeControl_2;
16761 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16762 inc /= cps->timeOdds;
16763 st /= cps->timeOdds;
16765 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16768 /* Set exact time per move, normally using st command */
16769 if (cps->stKludge) {
16770 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16772 if (seconds == 0) {
16773 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16775 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16778 snprintf(buf, MSG_SIZ, "st %d\n", st);
16781 /* Set conventional or incremental time control, using level command */
16782 if (seconds == 0) {
16783 /* Note old gnuchess bug -- minutes:seconds used to not work.
16784 Fixed in later versions, but still avoid :seconds
16785 when seconds is 0. */
16786 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16788 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16789 seconds, inc/1000.);
16792 SendToProgram(buf, cps);
16794 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16795 /* Orthogonally, limit search to given depth */
16797 if (cps->sdKludge) {
16798 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16800 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16802 SendToProgram(buf, cps);
16805 if(cps->nps >= 0) { /* [HGM] nps */
16806 if(cps->supportsNPS == FALSE)
16807 cps->nps = -1; // don't use if engine explicitly says not supported!
16809 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16810 SendToProgram(buf, cps);
16815 ChessProgramState *
16817 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16819 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16820 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16826 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16828 char message[MSG_SIZ];
16831 /* Note: this routine must be called when the clocks are stopped
16832 or when they have *just* been set or switched; otherwise
16833 it will be off by the time since the current tick started.
16835 if (machineWhite) {
16836 time = whiteTimeRemaining / 10;
16837 otime = blackTimeRemaining / 10;
16839 time = blackTimeRemaining / 10;
16840 otime = whiteTimeRemaining / 10;
16842 /* [HGM] translate opponent's time by time-odds factor */
16843 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16845 if (time <= 0) time = 1;
16846 if (otime <= 0) otime = 1;
16848 snprintf(message, MSG_SIZ, "time %ld\n", time);
16849 SendToProgram(message, cps);
16851 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16852 SendToProgram(message, cps);
16856 EngineDefinedVariant (ChessProgramState *cps, int n)
16857 { // return name of n-th unknown variant that engine supports
16858 static char buf[MSG_SIZ];
16859 char *p, *s = cps->variants;
16860 if(!s) return NULL;
16861 do { // parse string from variants feature
16863 p = strchr(s, ',');
16864 if(p) *p = NULLCHAR;
16865 v = StringToVariant(s);
16866 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16867 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16868 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16869 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16870 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16871 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16872 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16875 if(n < 0) return buf;
16881 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16884 int len = strlen(name);
16887 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16889 sscanf(*p, "%d", &val);
16891 while (**p && **p != ' ')
16893 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16894 SendToProgram(buf, cps);
16901 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16904 int len = strlen(name);
16905 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16907 sscanf(*p, "%d", loc);
16908 while (**p && **p != ' ') (*p)++;
16909 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16910 SendToProgram(buf, cps);
16917 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16920 int len = strlen(name);
16921 if (strncmp((*p), name, len) == 0
16922 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16924 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16925 sscanf(*p, "%[^\"]", *loc);
16926 while (**p && **p != '\"') (*p)++;
16927 if (**p == '\"') (*p)++;
16928 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16929 SendToProgram(buf, cps);
16936 ParseOption (Option *opt, ChessProgramState *cps)
16937 // [HGM] options: process the string that defines an engine option, and determine
16938 // name, type, default value, and allowed value range
16940 char *p, *q, buf[MSG_SIZ];
16941 int n, min = (-1)<<31, max = 1<<31, def;
16943 if(p = strstr(opt->name, " -spin ")) {
16944 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16945 if(max < min) max = min; // enforce consistency
16946 if(def < min) def = min;
16947 if(def > max) def = max;
16952 } else if((p = strstr(opt->name, " -slider "))) {
16953 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16954 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16955 if(max < min) max = min; // enforce consistency
16956 if(def < min) def = min;
16957 if(def > max) def = max;
16961 opt->type = Spin; // Slider;
16962 } else if((p = strstr(opt->name, " -string "))) {
16963 opt->textValue = p+9;
16964 opt->type = TextBox;
16965 } else if((p = strstr(opt->name, " -file "))) {
16966 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16967 opt->textValue = p+7;
16968 opt->type = FileName; // FileName;
16969 } else if((p = strstr(opt->name, " -path "))) {
16970 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16971 opt->textValue = p+7;
16972 opt->type = PathName; // PathName;
16973 } else if(p = strstr(opt->name, " -check ")) {
16974 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16975 opt->value = (def != 0);
16976 opt->type = CheckBox;
16977 } else if(p = strstr(opt->name, " -combo ")) {
16978 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16979 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16980 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16981 opt->value = n = 0;
16982 while(q = StrStr(q, " /// ")) {
16983 n++; *q = 0; // count choices, and null-terminate each of them
16985 if(*q == '*') { // remember default, which is marked with * prefix
16989 cps->comboList[cps->comboCnt++] = q;
16991 cps->comboList[cps->comboCnt++] = NULL;
16993 opt->type = ComboBox;
16994 } else if(p = strstr(opt->name, " -button")) {
16995 opt->type = Button;
16996 } else if(p = strstr(opt->name, " -save")) {
16997 opt->type = SaveButton;
16998 } else return FALSE;
16999 *p = 0; // terminate option name
17000 // now look if the command-line options define a setting for this engine option.
17001 if(cps->optionSettings && cps->optionSettings[0])
17002 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17003 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17004 snprintf(buf, MSG_SIZ, "option %s", p);
17005 if(p = strstr(buf, ",")) *p = 0;
17006 if(q = strchr(buf, '=')) switch(opt->type) {
17008 for(n=0; n<opt->max; n++)
17009 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17012 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17016 opt->value = atoi(q+1);
17021 SendToProgram(buf, cps);
17027 FeatureDone (ChessProgramState *cps, int val)
17029 DelayedEventCallback cb = GetDelayedEvent();
17030 if ((cb == InitBackEnd3 && cps == &first) ||
17031 (cb == SettingsMenuIfReady && cps == &second) ||
17032 (cb == LoadEngine) ||
17033 (cb == TwoMachinesEventIfReady)) {
17034 CancelDelayedEvent();
17035 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17037 cps->initDone = val;
17038 if(val) cps->reload = FALSE;
17041 /* Parse feature command from engine */
17043 ParseFeatures (char *args, ChessProgramState *cps)
17051 while (*p == ' ') p++;
17052 if (*p == NULLCHAR) return;
17054 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17055 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17056 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17057 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17058 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17059 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17060 if (BoolFeature(&p, "reuse", &val, cps)) {
17061 /* Engine can disable reuse, but can't enable it if user said no */
17062 if (!val) cps->reuse = FALSE;
17065 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17066 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17067 if (gameMode == TwoMachinesPlay) {
17068 DisplayTwoMachinesTitle();
17074 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17075 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17076 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17077 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17078 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17079 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17080 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17081 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17082 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17083 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17084 if (IntFeature(&p, "done", &val, cps)) {
17085 FeatureDone(cps, val);
17088 /* Added by Tord: */
17089 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17090 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17091 /* End of additions by Tord */
17093 /* [HGM] added features: */
17094 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17095 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17096 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17097 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17098 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17099 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17100 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17101 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17102 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17103 FREE(cps->option[cps->nrOptions].name);
17104 cps->option[cps->nrOptions].name = q; q = NULL;
17105 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17106 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17107 SendToProgram(buf, cps);
17110 if(cps->nrOptions >= MAX_OPTIONS) {
17112 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17113 DisplayError(buf, 0);
17117 /* End of additions by HGM */
17119 /* unknown feature: complain and skip */
17121 while (*q && *q != '=') q++;
17122 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17123 SendToProgram(buf, cps);
17129 while (*p && *p != '\"') p++;
17130 if (*p == '\"') p++;
17132 while (*p && *p != ' ') p++;
17140 PeriodicUpdatesEvent (int newState)
17142 if (newState == appData.periodicUpdates)
17145 appData.periodicUpdates=newState;
17147 /* Display type changes, so update it now */
17148 // DisplayAnalysis();
17150 /* Get the ball rolling again... */
17152 AnalysisPeriodicEvent(1);
17153 StartAnalysisClock();
17158 PonderNextMoveEvent (int newState)
17160 if (newState == appData.ponderNextMove) return;
17161 if (gameMode == EditPosition) EditPositionDone(TRUE);
17163 SendToProgram("hard\n", &first);
17164 if (gameMode == TwoMachinesPlay) {
17165 SendToProgram("hard\n", &second);
17168 SendToProgram("easy\n", &first);
17169 thinkOutput[0] = NULLCHAR;
17170 if (gameMode == TwoMachinesPlay) {
17171 SendToProgram("easy\n", &second);
17174 appData.ponderNextMove = newState;
17178 NewSettingEvent (int option, int *feature, char *command, int value)
17182 if (gameMode == EditPosition) EditPositionDone(TRUE);
17183 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17184 if(feature == NULL || *feature) SendToProgram(buf, &first);
17185 if (gameMode == TwoMachinesPlay) {
17186 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17191 ShowThinkingEvent ()
17192 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17194 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17195 int newState = appData.showThinking
17196 // [HGM] thinking: other features now need thinking output as well
17197 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17199 if (oldState == newState) return;
17200 oldState = newState;
17201 if (gameMode == EditPosition) EditPositionDone(TRUE);
17203 SendToProgram("post\n", &first);
17204 if (gameMode == TwoMachinesPlay) {
17205 SendToProgram("post\n", &second);
17208 SendToProgram("nopost\n", &first);
17209 thinkOutput[0] = NULLCHAR;
17210 if (gameMode == TwoMachinesPlay) {
17211 SendToProgram("nopost\n", &second);
17214 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17218 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17220 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17221 if (pr == NoProc) return;
17222 AskQuestion(title, question, replyPrefix, pr);
17226 TypeInEvent (char firstChar)
17228 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17229 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17230 gameMode == AnalyzeMode || gameMode == EditGame ||
17231 gameMode == EditPosition || gameMode == IcsExamining ||
17232 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17233 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17234 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17235 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17236 gameMode == Training) PopUpMoveDialog(firstChar);
17240 TypeInDoneEvent (char *move)
17243 int n, fromX, fromY, toX, toY;
17245 ChessMove moveType;
17248 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17249 EditPositionPasteFEN(move);
17252 // [HGM] movenum: allow move number to be typed in any mode
17253 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17257 // undocumented kludge: allow command-line option to be typed in!
17258 // (potentially fatal, and does not implement the effect of the option.)
17259 // should only be used for options that are values on which future decisions will be made,
17260 // and definitely not on options that would be used during initialization.
17261 if(strstr(move, "!!! -") == move) {
17262 ParseArgsFromString(move+4);
17266 if (gameMode != EditGame && currentMove != forwardMostMove &&
17267 gameMode != Training) {
17268 DisplayMoveError(_("Displayed move is not current"));
17270 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17271 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17272 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17273 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17274 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17275 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17277 DisplayMoveError(_("Could not parse move"));
17283 DisplayMove (int moveNumber)
17285 char message[MSG_SIZ];
17287 char cpThinkOutput[MSG_SIZ];
17289 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17291 if (moveNumber == forwardMostMove - 1 ||
17292 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17294 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17296 if (strchr(cpThinkOutput, '\n')) {
17297 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17300 *cpThinkOutput = NULLCHAR;
17303 /* [AS] Hide thinking from human user */
17304 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17305 *cpThinkOutput = NULLCHAR;
17306 if( thinkOutput[0] != NULLCHAR ) {
17309 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17310 cpThinkOutput[i] = '.';
17312 cpThinkOutput[i] = NULLCHAR;
17313 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17317 if (moveNumber == forwardMostMove - 1 &&
17318 gameInfo.resultDetails != NULL) {
17319 if (gameInfo.resultDetails[0] == NULLCHAR) {
17320 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17322 snprintf(res, MSG_SIZ, " {%s} %s",
17323 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17329 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17330 DisplayMessage(res, cpThinkOutput);
17332 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17333 WhiteOnMove(moveNumber) ? " " : ".. ",
17334 parseList[moveNumber], res);
17335 DisplayMessage(message, cpThinkOutput);
17340 DisplayComment (int moveNumber, char *text)
17342 char title[MSG_SIZ];
17344 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17345 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17347 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17348 WhiteOnMove(moveNumber) ? " " : ".. ",
17349 parseList[moveNumber]);
17351 if (text != NULL && (appData.autoDisplayComment || commentUp))
17352 CommentPopUp(title, text);
17355 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17356 * might be busy thinking or pondering. It can be omitted if your
17357 * gnuchess is configured to stop thinking immediately on any user
17358 * input. However, that gnuchess feature depends on the FIONREAD
17359 * ioctl, which does not work properly on some flavors of Unix.
17362 Attention (ChessProgramState *cps)
17365 if (!cps->useSigint) return;
17366 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17367 switch (gameMode) {
17368 case MachinePlaysWhite:
17369 case MachinePlaysBlack:
17370 case TwoMachinesPlay:
17371 case IcsPlayingWhite:
17372 case IcsPlayingBlack:
17375 /* Skip if we know it isn't thinking */
17376 if (!cps->maybeThinking) return;
17377 if (appData.debugMode)
17378 fprintf(debugFP, "Interrupting %s\n", cps->which);
17379 InterruptChildProcess(cps->pr);
17380 cps->maybeThinking = FALSE;
17385 #endif /*ATTENTION*/
17391 if (whiteTimeRemaining <= 0) {
17394 if (appData.icsActive) {
17395 if (appData.autoCallFlag &&
17396 gameMode == IcsPlayingBlack && !blackFlag) {
17397 SendToICS(ics_prefix);
17398 SendToICS("flag\n");
17402 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17404 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17405 if (appData.autoCallFlag) {
17406 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17413 if (blackTimeRemaining <= 0) {
17416 if (appData.icsActive) {
17417 if (appData.autoCallFlag &&
17418 gameMode == IcsPlayingWhite && !whiteFlag) {
17419 SendToICS(ics_prefix);
17420 SendToICS("flag\n");
17424 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17426 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17427 if (appData.autoCallFlag) {
17428 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17439 CheckTimeControl ()
17441 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17442 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17445 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17447 if ( !WhiteOnMove(forwardMostMove) ) {
17448 /* White made time control */
17449 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17450 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17451 /* [HGM] time odds: correct new time quota for time odds! */
17452 / WhitePlayer()->timeOdds;
17453 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17455 lastBlack -= blackTimeRemaining;
17456 /* Black made time control */
17457 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17458 / WhitePlayer()->other->timeOdds;
17459 lastWhite = whiteTimeRemaining;
17464 DisplayBothClocks ()
17466 int wom = gameMode == EditPosition ?
17467 !blackPlaysFirst : WhiteOnMove(currentMove);
17468 DisplayWhiteClock(whiteTimeRemaining, wom);
17469 DisplayBlackClock(blackTimeRemaining, !wom);
17473 /* Timekeeping seems to be a portability nightmare. I think everyone
17474 has ftime(), but I'm really not sure, so I'm including some ifdefs
17475 to use other calls if you don't. Clocks will be less accurate if
17476 you have neither ftime nor gettimeofday.
17479 /* VS 2008 requires the #include outside of the function */
17480 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17481 #include <sys/timeb.h>
17484 /* Get the current time as a TimeMark */
17486 GetTimeMark (TimeMark *tm)
17488 #if HAVE_GETTIMEOFDAY
17490 struct timeval timeVal;
17491 struct timezone timeZone;
17493 gettimeofday(&timeVal, &timeZone);
17494 tm->sec = (long) timeVal.tv_sec;
17495 tm->ms = (int) (timeVal.tv_usec / 1000L);
17497 #else /*!HAVE_GETTIMEOFDAY*/
17500 // include <sys/timeb.h> / moved to just above start of function
17501 struct timeb timeB;
17504 tm->sec = (long) timeB.time;
17505 tm->ms = (int) timeB.millitm;
17507 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17508 tm->sec = (long) time(NULL);
17514 /* Return the difference in milliseconds between two
17515 time marks. We assume the difference will fit in a long!
17518 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17520 return 1000L*(tm2->sec - tm1->sec) +
17521 (long) (tm2->ms - tm1->ms);
17526 * Code to manage the game clocks.
17528 * In tournament play, black starts the clock and then white makes a move.
17529 * We give the human user a slight advantage if he is playing white---the
17530 * clocks don't run until he makes his first move, so it takes zero time.
17531 * Also, we don't account for network lag, so we could get out of sync
17532 * with GNU Chess's clock -- but then, referees are always right.
17535 static TimeMark tickStartTM;
17536 static long intendedTickLength;
17539 NextTickLength (long timeRemaining)
17541 long nominalTickLength, nextTickLength;
17543 if (timeRemaining > 0L && timeRemaining <= 10000L)
17544 nominalTickLength = 100L;
17546 nominalTickLength = 1000L;
17547 nextTickLength = timeRemaining % nominalTickLength;
17548 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17550 return nextTickLength;
17553 /* Adjust clock one minute up or down */
17555 AdjustClock (Boolean which, int dir)
17557 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17558 if(which) blackTimeRemaining += 60000*dir;
17559 else whiteTimeRemaining += 60000*dir;
17560 DisplayBothClocks();
17561 adjustedClock = TRUE;
17564 /* Stop clocks and reset to a fresh time control */
17568 (void) StopClockTimer();
17569 if (appData.icsActive) {
17570 whiteTimeRemaining = blackTimeRemaining = 0;
17571 } else if (searchTime) {
17572 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17573 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17574 } else { /* [HGM] correct new time quote for time odds */
17575 whiteTC = blackTC = fullTimeControlString;
17576 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17577 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17579 if (whiteFlag || blackFlag) {
17581 whiteFlag = blackFlag = FALSE;
17583 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17584 DisplayBothClocks();
17585 adjustedClock = FALSE;
17588 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17590 /* Decrement running clock by amount of time that has passed */
17594 long timeRemaining;
17595 long lastTickLength, fudge;
17598 if (!appData.clockMode) return;
17599 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17603 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17605 /* Fudge if we woke up a little too soon */
17606 fudge = intendedTickLength - lastTickLength;
17607 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17609 if (WhiteOnMove(forwardMostMove)) {
17610 if(whiteNPS >= 0) lastTickLength = 0;
17611 timeRemaining = whiteTimeRemaining -= lastTickLength;
17612 if(timeRemaining < 0 && !appData.icsActive) {
17613 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17614 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17615 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17616 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17619 DisplayWhiteClock(whiteTimeRemaining - fudge,
17620 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17622 if(blackNPS >= 0) lastTickLength = 0;
17623 timeRemaining = blackTimeRemaining -= lastTickLength;
17624 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17625 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17627 blackStartMove = forwardMostMove;
17628 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17631 DisplayBlackClock(blackTimeRemaining - fudge,
17632 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17634 if (CheckFlags()) return;
17636 if(twoBoards) { // count down secondary board's clocks as well
17637 activePartnerTime -= lastTickLength;
17639 if(activePartner == 'W')
17640 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17642 DisplayBlackClock(activePartnerTime, TRUE);
17647 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17648 StartClockTimer(intendedTickLength);
17650 /* if the time remaining has fallen below the alarm threshold, sound the
17651 * alarm. if the alarm has sounded and (due to a takeback or time control
17652 * with increment) the time remaining has increased to a level above the
17653 * threshold, reset the alarm so it can sound again.
17656 if (appData.icsActive && appData.icsAlarm) {
17658 /* make sure we are dealing with the user's clock */
17659 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17660 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17663 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17664 alarmSounded = FALSE;
17665 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17667 alarmSounded = TRUE;
17673 /* A player has just moved, so stop the previously running
17674 clock and (if in clock mode) start the other one.
17675 We redisplay both clocks in case we're in ICS mode, because
17676 ICS gives us an update to both clocks after every move.
17677 Note that this routine is called *after* forwardMostMove
17678 is updated, so the last fractional tick must be subtracted
17679 from the color that is *not* on move now.
17682 SwitchClocks (int newMoveNr)
17684 long lastTickLength;
17686 int flagged = FALSE;
17690 if (StopClockTimer() && appData.clockMode) {
17691 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17692 if (!WhiteOnMove(forwardMostMove)) {
17693 if(blackNPS >= 0) lastTickLength = 0;
17694 blackTimeRemaining -= lastTickLength;
17695 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17696 // if(pvInfoList[forwardMostMove].time == -1)
17697 pvInfoList[forwardMostMove].time = // use GUI time
17698 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17700 if(whiteNPS >= 0) lastTickLength = 0;
17701 whiteTimeRemaining -= lastTickLength;
17702 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17703 // if(pvInfoList[forwardMostMove].time == -1)
17704 pvInfoList[forwardMostMove].time =
17705 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17707 flagged = CheckFlags();
17709 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17710 CheckTimeControl();
17712 if (flagged || !appData.clockMode) return;
17714 switch (gameMode) {
17715 case MachinePlaysBlack:
17716 case MachinePlaysWhite:
17717 case BeginningOfGame:
17718 if (pausing) return;
17722 case PlayFromGameFile:
17730 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17731 if(WhiteOnMove(forwardMostMove))
17732 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17733 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17737 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17738 whiteTimeRemaining : blackTimeRemaining);
17739 StartClockTimer(intendedTickLength);
17743 /* Stop both clocks */
17747 long lastTickLength;
17750 if (!StopClockTimer()) return;
17751 if (!appData.clockMode) return;
17755 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17756 if (WhiteOnMove(forwardMostMove)) {
17757 if(whiteNPS >= 0) lastTickLength = 0;
17758 whiteTimeRemaining -= lastTickLength;
17759 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17761 if(blackNPS >= 0) lastTickLength = 0;
17762 blackTimeRemaining -= lastTickLength;
17763 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17768 /* Start clock of player on move. Time may have been reset, so
17769 if clock is already running, stop and restart it. */
17773 (void) StopClockTimer(); /* in case it was running already */
17774 DisplayBothClocks();
17775 if (CheckFlags()) return;
17777 if (!appData.clockMode) return;
17778 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17780 GetTimeMark(&tickStartTM);
17781 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17782 whiteTimeRemaining : blackTimeRemaining);
17784 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17785 whiteNPS = blackNPS = -1;
17786 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17787 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17788 whiteNPS = first.nps;
17789 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17790 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17791 blackNPS = first.nps;
17792 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17793 whiteNPS = second.nps;
17794 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17795 blackNPS = second.nps;
17796 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17798 StartClockTimer(intendedTickLength);
17802 TimeString (long ms)
17804 long second, minute, hour, day;
17806 static char buf[32];
17808 if (ms > 0 && ms <= 9900) {
17809 /* convert milliseconds to tenths, rounding up */
17810 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17812 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17816 /* convert milliseconds to seconds, rounding up */
17817 /* use floating point to avoid strangeness of integer division
17818 with negative dividends on many machines */
17819 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17826 day = second / (60 * 60 * 24);
17827 second = second % (60 * 60 * 24);
17828 hour = second / (60 * 60);
17829 second = second % (60 * 60);
17830 minute = second / 60;
17831 second = second % 60;
17834 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17835 sign, day, hour, minute, second);
17837 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17839 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17846 * This is necessary because some C libraries aren't ANSI C compliant yet.
17849 StrStr (char *string, char *match)
17853 length = strlen(match);
17855 for (i = strlen(string) - length; i >= 0; i--, string++)
17856 if (!strncmp(match, string, length))
17863 StrCaseStr (char *string, char *match)
17867 length = strlen(match);
17869 for (i = strlen(string) - length; i >= 0; i--, string++) {
17870 for (j = 0; j < length; j++) {
17871 if (ToLower(match[j]) != ToLower(string[j]))
17874 if (j == length) return string;
17882 StrCaseCmp (char *s1, char *s2)
17887 c1 = ToLower(*s1++);
17888 c2 = ToLower(*s2++);
17889 if (c1 > c2) return 1;
17890 if (c1 < c2) return -1;
17891 if (c1 == NULLCHAR) return 0;
17899 return isupper(c) ? tolower(c) : c;
17906 return islower(c) ? toupper(c) : c;
17908 #endif /* !_amigados */
17915 if ((ret = (char *) malloc(strlen(s) + 1)))
17917 safeStrCpy(ret, s, strlen(s)+1);
17923 StrSavePtr (char *s, char **savePtr)
17928 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17929 safeStrCpy(*savePtr, s, strlen(s)+1);
17941 clock = time((time_t *)NULL);
17942 tm = localtime(&clock);
17943 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17944 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17945 return StrSave(buf);
17950 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17952 int i, j, fromX, fromY, toX, toY;
17953 int whiteToPlay, haveRights = nrCastlingRights;
17959 whiteToPlay = (gameMode == EditPosition) ?
17960 !blackPlaysFirst : (move % 2 == 0);
17963 /* Piece placement data */
17964 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17965 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17967 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17968 if (boards[move][i][j] == EmptySquare) {
17970 } else { ChessSquare piece = boards[move][i][j];
17971 if (emptycount > 0) {
17972 if(emptycount<10) /* [HGM] can be >= 10 */
17973 *p++ = '0' + emptycount;
17974 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17977 if(PieceToChar(piece) == '+') {
17978 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17980 piece = (ChessSquare)(CHUDEMOTED piece);
17982 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17983 if(*p = PieceSuffix(piece)) p++;
17985 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17986 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17991 if (emptycount > 0) {
17992 if(emptycount<10) /* [HGM] can be >= 10 */
17993 *p++ = '0' + emptycount;
17994 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18001 /* [HGM] print Crazyhouse or Shogi holdings */
18002 if( gameInfo.holdingsWidth ) {
18003 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18005 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18006 piece = boards[move][i][BOARD_WIDTH-1];
18007 if( piece != EmptySquare )
18008 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18009 *p++ = PieceToChar(piece);
18011 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18012 piece = boards[move][BOARD_HEIGHT-i-1][0];
18013 if( piece != EmptySquare )
18014 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18015 *p++ = PieceToChar(piece);
18018 if( q == p ) *p++ = '-';
18024 *p++ = whiteToPlay ? 'w' : 'b';
18027 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18028 haveRights = 0; q = p;
18029 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18030 piece = boards[move][0][i];
18031 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18032 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18035 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18036 piece = boards[move][BOARD_HEIGHT-1][i];
18037 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18038 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18041 if(p == q) *p++ = '-';
18045 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18046 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18049 int handW=0, handB=0;
18050 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18051 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18052 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18055 if(appData.fischerCastling) {
18056 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18057 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18058 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18060 /* [HGM] write directly from rights */
18061 if(boards[move][CASTLING][2] != NoRights &&
18062 boards[move][CASTLING][0] != NoRights )
18063 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18064 if(boards[move][CASTLING][2] != NoRights &&
18065 boards[move][CASTLING][1] != NoRights )
18066 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18069 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18070 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18072 if(boards[move][CASTLING][5] != NoRights &&
18073 boards[move][CASTLING][3] != NoRights )
18074 *p++ = boards[move][CASTLING][3] + AAA;
18075 if(boards[move][CASTLING][5] != NoRights &&
18076 boards[move][CASTLING][4] != NoRights )
18077 *p++ = boards[move][CASTLING][4] + AAA;
18081 /* [HGM] write true castling rights */
18082 if( nrCastlingRights == 6 ) {
18084 if(boards[move][CASTLING][0] != NoRights &&
18085 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18086 q = (boards[move][CASTLING][1] != NoRights &&
18087 boards[move][CASTLING][2] != NoRights );
18088 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18089 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18090 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18091 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18095 if(boards[move][CASTLING][3] != NoRights &&
18096 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18097 q = (boards[move][CASTLING][4] != NoRights &&
18098 boards[move][CASTLING][5] != NoRights );
18100 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18101 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18102 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18107 if (q == p) *p++ = '-'; /* No castling rights */
18111 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18112 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18113 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18114 /* En passant target square */
18115 if (move > backwardMostMove) {
18116 fromX = moveList[move - 1][0] - AAA;
18117 fromY = moveList[move - 1][1] - ONE;
18118 toX = moveList[move - 1][2] - AAA;
18119 toY = moveList[move - 1][3] - ONE;
18120 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18121 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18122 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18124 /* 2-square pawn move just happened */
18126 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18130 } else if(move == backwardMostMove) {
18131 // [HGM] perhaps we should always do it like this, and forget the above?
18132 if((signed char)boards[move][EP_STATUS] >= 0) {
18133 *p++ = boards[move][EP_STATUS] + AAA;
18134 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18146 { int i = 0, j=move;
18148 /* [HGM] find reversible plies */
18149 if (appData.debugMode) { int k;
18150 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18151 for(k=backwardMostMove; k<=forwardMostMove; k++)
18152 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18156 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18157 if( j == backwardMostMove ) i += initialRulePlies;
18158 sprintf(p, "%d ", i);
18159 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18161 /* Fullmove number */
18162 sprintf(p, "%d", (move / 2) + 1);
18163 } else *--p = NULLCHAR;
18165 return StrSave(buf);
18169 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18171 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18173 int emptycount, virgin[BOARD_FILES];
18174 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18178 /* Piece placement data */
18179 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18182 if (*p == '/' || *p == ' ' || *p == '[' ) {
18184 emptycount = gameInfo.boardWidth - j;
18185 while (emptycount--)
18186 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18187 if (*p == '/') p++;
18188 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18189 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18190 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18192 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18195 #if(BOARD_FILES >= 10)*0
18196 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18197 p++; emptycount=10;
18198 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18199 while (emptycount--)
18200 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18202 } else if (*p == '*') {
18203 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18204 } else if (isdigit(*p)) {
18205 emptycount = *p++ - '0';
18206 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18207 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18208 while (emptycount--)
18209 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18210 } else if (*p == '<') {
18211 if(i == BOARD_HEIGHT-1) shuffle = 1;
18212 else if (i != 0 || !shuffle) return FALSE;
18214 } else if (shuffle && *p == '>') {
18215 p++; // for now ignore closing shuffle range, and assume rank-end
18216 } else if (*p == '?') {
18217 if (j >= gameInfo.boardWidth) return FALSE;
18218 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18219 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18220 } else if (*p == '+' || isalpha(*p)) {
18221 char *q, *s = SUFFIXES;
18222 if (j >= gameInfo.boardWidth) return FALSE;
18225 if(q = strchr(s, p[1])) p++;
18226 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18227 if(piece == EmptySquare) return FALSE; /* unknown piece */
18228 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
18229 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18232 if(q = strchr(s, *p)) p++;
18233 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18236 if(piece==EmptySquare) return FALSE; /* unknown piece */
18237 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18238 piece = (ChessSquare) (PROMOTED piece);
18239 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18242 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18243 if(piece == king) wKingRank = i;
18244 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18250 while (*p == '/' || *p == ' ') p++;
18252 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18254 /* [HGM] by default clear Crazyhouse holdings, if present */
18255 if(gameInfo.holdingsWidth) {
18256 for(i=0; i<BOARD_HEIGHT; i++) {
18257 board[i][0] = EmptySquare; /* black holdings */
18258 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18259 board[i][1] = (ChessSquare) 0; /* black counts */
18260 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18264 /* [HGM] look for Crazyhouse holdings here */
18265 while(*p==' ') p++;
18266 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18267 int swap=0, wcnt=0, bcnt=0;
18269 if(*p == '<') swap++, p++;
18270 if(*p == '-' ) p++; /* empty holdings */ else {
18271 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18272 /* if we would allow FEN reading to set board size, we would */
18273 /* have to add holdings and shift the board read so far here */
18274 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18276 if((int) piece >= (int) BlackPawn ) {
18277 i = (int)piece - (int)BlackPawn;
18278 i = PieceToNumber((ChessSquare)i);
18279 if( i >= gameInfo.holdingsSize ) return FALSE;
18280 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18281 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18284 i = (int)piece - (int)WhitePawn;
18285 i = PieceToNumber((ChessSquare)i);
18286 if( i >= gameInfo.holdingsSize ) return FALSE;
18287 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18288 board[i][BOARD_WIDTH-2]++; /* black holdings */
18292 if(subst) { // substitute back-rank question marks by holdings pieces
18293 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18294 int k, m, n = bcnt + 1;
18295 if(board[0][j] == ClearBoard) {
18296 if(!wcnt) return FALSE;
18298 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18299 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18300 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18304 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18305 if(!bcnt) return FALSE;
18306 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18307 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18308 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18309 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18320 if(subst) return FALSE; // substitution requested, but no holdings
18322 while(*p == ' ') p++;
18326 if(appData.colorNickNames) {
18327 if( c == appData.colorNickNames[0] ) c = 'w'; else
18328 if( c == appData.colorNickNames[1] ) c = 'b';
18332 *blackPlaysFirst = FALSE;
18335 *blackPlaysFirst = TRUE;
18341 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18342 /* return the extra info in global variiables */
18344 while(*p==' ') p++;
18346 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18347 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18348 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18351 /* set defaults in case FEN is incomplete */
18352 board[EP_STATUS] = EP_UNKNOWN;
18353 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18354 for(i=0; i<nrCastlingRights; i++ ) {
18355 board[CASTLING][i] =
18356 appData.fischerCastling ? NoRights : initialRights[i];
18357 } /* assume possible unless obviously impossible */
18358 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18359 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18360 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18361 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18362 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18363 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18364 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18365 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18368 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18371 while(isalpha(*p)) {
18372 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18373 if(islower(*p)) b |= 1 << (*p++ - 'a');
18377 board[TOUCHED_W] = ~w;
18378 board[TOUCHED_B] = ~b;
18379 while(*p == ' ') p++;
18383 if(nrCastlingRights) {
18385 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18386 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18387 /* castling indicator present, so default becomes no castlings */
18388 for(i=0; i<nrCastlingRights; i++ ) {
18389 board[CASTLING][i] = NoRights;
18392 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18393 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18394 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18395 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18396 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18398 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18399 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18400 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18402 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18403 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18404 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18405 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18406 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18407 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18410 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18411 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18412 board[CASTLING][2] = whiteKingFile;
18413 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18414 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18415 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18418 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18419 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18420 board[CASTLING][2] = whiteKingFile;
18421 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18422 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18423 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18426 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18427 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18428 board[CASTLING][5] = blackKingFile;
18429 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18430 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18431 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18434 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18435 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18436 board[CASTLING][5] = blackKingFile;
18437 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18438 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18439 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18442 default: /* FRC castlings */
18443 if(c >= 'a') { /* black rights */
18444 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18445 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18446 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18447 if(i == BOARD_RGHT) break;
18448 board[CASTLING][5] = i;
18450 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18451 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18453 board[CASTLING][3] = c;
18455 board[CASTLING][4] = c;
18456 } else { /* white rights */
18457 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18458 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18459 if(board[0][i] == WhiteKing) break;
18460 if(i == BOARD_RGHT) break;
18461 board[CASTLING][2] = i;
18462 c -= AAA - 'a' + 'A';
18463 if(board[0][c] >= WhiteKing) break;
18465 board[CASTLING][0] = c;
18467 board[CASTLING][1] = c;
18471 for(i=0; i<nrCastlingRights; i++)
18472 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18473 if(gameInfo.variant == VariantSChess)
18474 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18475 if(fischer && shuffle) appData.fischerCastling = TRUE;
18476 if (appData.debugMode) {
18477 fprintf(debugFP, "FEN castling rights:");
18478 for(i=0; i<nrCastlingRights; i++)
18479 fprintf(debugFP, " %d", board[CASTLING][i]);
18480 fprintf(debugFP, "\n");
18483 while(*p==' ') p++;
18486 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18488 /* read e.p. field in games that know e.p. capture */
18489 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18490 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18491 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18493 p++; board[EP_STATUS] = EP_NONE;
18495 char c = *p++ - AAA;
18497 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18498 if(*p >= '0' && *p <='9') p++;
18499 board[EP_STATUS] = c;
18504 if(sscanf(p, "%d", &i) == 1) {
18505 FENrulePlies = i; /* 50-move ply counter */
18506 /* (The move number is still ignored) */
18513 EditPositionPasteFEN (char *fen)
18516 Board initial_position;
18518 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18519 DisplayError(_("Bad FEN position in clipboard"), 0);
18522 int savedBlackPlaysFirst = blackPlaysFirst;
18523 EditPositionEvent();
18524 blackPlaysFirst = savedBlackPlaysFirst;
18525 CopyBoard(boards[0], initial_position);
18526 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18527 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18528 DisplayBothClocks();
18529 DrawPosition(FALSE, boards[currentMove]);
18534 static char cseq[12] = "\\ ";
18537 set_cont_sequence (char *new_seq)
18542 // handle bad attempts to set the sequence
18544 return 0; // acceptable error - no debug
18546 len = strlen(new_seq);
18547 ret = (len > 0) && (len < sizeof(cseq));
18549 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18550 else if (appData.debugMode)
18551 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18556 reformat a source message so words don't cross the width boundary. internal
18557 newlines are not removed. returns the wrapped size (no null character unless
18558 included in source message). If dest is NULL, only calculate the size required
18559 for the dest buffer. lp argument indicats line position upon entry, and it's
18560 passed back upon exit.
18563 wrap (char *dest, char *src, int count, int width, int *lp)
18565 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18567 cseq_len = strlen(cseq);
18568 old_line = line = *lp;
18569 ansi = len = clen = 0;
18571 for (i=0; i < count; i++)
18573 if (src[i] == '\033')
18576 // if we hit the width, back up
18577 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18579 // store i & len in case the word is too long
18580 old_i = i, old_len = len;
18582 // find the end of the last word
18583 while (i && src[i] != ' ' && src[i] != '\n')
18589 // word too long? restore i & len before splitting it
18590 if ((old_i-i+clen) >= width)
18597 if (i && src[i-1] == ' ')
18600 if (src[i] != ' ' && src[i] != '\n')
18607 // now append the newline and continuation sequence
18612 strncpy(dest+len, cseq, cseq_len);
18620 dest[len] = src[i];
18624 if (src[i] == '\n')
18629 if (dest && appData.debugMode)
18631 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18632 count, width, line, len, *lp);
18633 show_bytes(debugFP, src, count);
18634 fprintf(debugFP, "\ndest: ");
18635 show_bytes(debugFP, dest, len);
18636 fprintf(debugFP, "\n");
18638 *lp = dest ? line : old_line;
18643 // [HGM] vari: routines for shelving variations
18644 Boolean modeRestore = FALSE;
18647 PushInner (int firstMove, int lastMove)
18649 int i, j, nrMoves = lastMove - firstMove;
18651 // push current tail of game on stack
18652 savedResult[storedGames] = gameInfo.result;
18653 savedDetails[storedGames] = gameInfo.resultDetails;
18654 gameInfo.resultDetails = NULL;
18655 savedFirst[storedGames] = firstMove;
18656 savedLast [storedGames] = lastMove;
18657 savedFramePtr[storedGames] = framePtr;
18658 framePtr -= nrMoves; // reserve space for the boards
18659 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18660 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18661 for(j=0; j<MOVE_LEN; j++)
18662 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18663 for(j=0; j<2*MOVE_LEN; j++)
18664 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18665 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18666 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18667 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18668 pvInfoList[firstMove+i-1].depth = 0;
18669 commentList[framePtr+i] = commentList[firstMove+i];
18670 commentList[firstMove+i] = NULL;
18674 forwardMostMove = firstMove; // truncate game so we can start variation
18678 PushTail (int firstMove, int lastMove)
18680 if(appData.icsActive) { // only in local mode
18681 forwardMostMove = currentMove; // mimic old ICS behavior
18684 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18686 PushInner(firstMove, lastMove);
18687 if(storedGames == 1) GreyRevert(FALSE);
18688 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18692 PopInner (Boolean annotate)
18695 char buf[8000], moveBuf[20];
18697 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18698 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18699 nrMoves = savedLast[storedGames] - currentMove;
18702 if(!WhiteOnMove(currentMove))
18703 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18704 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18705 for(i=currentMove; i<forwardMostMove; i++) {
18707 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18708 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18709 strcat(buf, moveBuf);
18710 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18711 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18715 for(i=1; i<=nrMoves; i++) { // copy last variation back
18716 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18717 for(j=0; j<MOVE_LEN; j++)
18718 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18719 for(j=0; j<2*MOVE_LEN; j++)
18720 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18721 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18722 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18723 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18724 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18725 commentList[currentMove+i] = commentList[framePtr+i];
18726 commentList[framePtr+i] = NULL;
18728 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18729 framePtr = savedFramePtr[storedGames];
18730 gameInfo.result = savedResult[storedGames];
18731 if(gameInfo.resultDetails != NULL) {
18732 free(gameInfo.resultDetails);
18734 gameInfo.resultDetails = savedDetails[storedGames];
18735 forwardMostMove = currentMove + nrMoves;
18739 PopTail (Boolean annotate)
18741 if(appData.icsActive) return FALSE; // only in local mode
18742 if(!storedGames) return FALSE; // sanity
18743 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18745 PopInner(annotate);
18746 if(currentMove < forwardMostMove) ForwardEvent(); else
18747 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18749 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18755 { // remove all shelved variations
18757 for(i=0; i<storedGames; i++) {
18758 if(savedDetails[i])
18759 free(savedDetails[i]);
18760 savedDetails[i] = NULL;
18762 for(i=framePtr; i<MAX_MOVES; i++) {
18763 if(commentList[i]) free(commentList[i]);
18764 commentList[i] = NULL;
18766 framePtr = MAX_MOVES-1;
18771 LoadVariation (int index, char *text)
18772 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18773 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18774 int level = 0, move;
18776 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18777 // first find outermost bracketing variation
18778 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18779 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18780 if(*p == '{') wait = '}'; else
18781 if(*p == '[') wait = ']'; else
18782 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18783 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18785 if(*p == wait) wait = NULLCHAR; // closing ]} found
18788 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18789 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18790 end[1] = NULLCHAR; // clip off comment beyond variation
18791 ToNrEvent(currentMove-1);
18792 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18793 // kludge: use ParsePV() to append variation to game
18794 move = currentMove;
18795 ParsePV(start, TRUE, TRUE);
18796 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18797 ClearPremoveHighlights();
18799 ToNrEvent(currentMove+1);
18805 char *p, *q, buf[MSG_SIZ];
18806 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18807 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18808 ParseArgsFromString(buf);
18809 ActivateTheme(TRUE); // also redo colors
18813 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18816 q = appData.themeNames;
18817 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18818 if(appData.useBitmaps) {
18819 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18820 appData.liteBackTextureFile, appData.darkBackTextureFile,
18821 appData.liteBackTextureMode,
18822 appData.darkBackTextureMode );
18824 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18825 Col2Text(2), // lightSquareColor
18826 Col2Text(3) ); // darkSquareColor
18828 if(appData.useBorder) {
18829 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18832 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18834 if(appData.useFont) {
18835 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18836 appData.renderPiecesWithFont,
18837 appData.fontToPieceTable,
18838 Col2Text(9), // appData.fontBackColorWhite
18839 Col2Text(10) ); // appData.fontForeColorBlack
18841 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18842 appData.pieceDirectory);
18843 if(!appData.pieceDirectory[0])
18844 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18845 Col2Text(0), // whitePieceColor
18846 Col2Text(1) ); // blackPieceColor
18848 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18849 Col2Text(4), // highlightSquareColor
18850 Col2Text(5) ); // premoveHighlightColor
18851 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18852 if(insert != q) insert[-1] = NULLCHAR;
18853 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18856 ActivateTheme(FALSE);