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 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);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
273 char lastMsg[MSG_SIZ];
274 ChessSquare pieceSweep = EmptySquare;
275 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
276 int promoDefaultAltered;
277 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
278 static int initPing = -1;
280 /* States for ics_getting_history */
282 #define H_REQUESTED 1
283 #define H_GOT_REQ_HEADER 2
284 #define H_GOT_UNREQ_HEADER 3
285 #define H_GETTING_MOVES 4
286 #define H_GOT_UNWANTED_HEADER 5
288 /* whosays values for GameEnds */
297 /* Maximum number of games in a cmail message */
298 #define CMAIL_MAX_GAMES 20
300 /* Different types of move when calling RegisterMove */
302 #define CMAIL_RESIGN 1
304 #define CMAIL_ACCEPT 3
306 /* Different types of result to remember for each game */
307 #define CMAIL_NOT_RESULT 0
308 #define CMAIL_OLD_RESULT 1
309 #define CMAIL_NEW_RESULT 2
311 /* Telnet protocol constants */
322 safeStrCpy (char *dst, const char *src, size_t count)
325 assert( dst != NULL );
326 assert( src != NULL );
329 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
330 if( i == count && dst[count-1] != NULLCHAR)
332 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
333 if(appData.debugMode)
334 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
340 /* Some compiler can't cast u64 to double
341 * This function do the job for us:
343 * We use the highest bit for cast, this only
344 * works if the highest bit is not
345 * in use (This should not happen)
347 * We used this for all compiler
350 u64ToDouble (u64 value)
353 u64 tmp = value & u64Const(0x7fffffffffffffff);
354 r = (double)(s64)tmp;
355 if (value & u64Const(0x8000000000000000))
356 r += 9.2233720368547758080e18; /* 2^63 */
360 /* Fake up flags for now, as we aren't keeping track of castling
361 availability yet. [HGM] Change of logic: the flag now only
362 indicates the type of castlings allowed by the rule of the game.
363 The actual rights themselves are maintained in the array
364 castlingRights, as part of the game history, and are not probed
370 int flags = F_ALL_CASTLE_OK;
371 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
372 switch (gameInfo.variant) {
374 flags &= ~F_ALL_CASTLE_OK;
375 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
376 flags |= F_IGNORE_CHECK;
378 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
381 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
383 case VariantKriegspiel:
384 flags |= F_KRIEGSPIEL_CAPTURE;
386 case VariantCapaRandom:
387 case VariantFischeRandom:
388 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
389 case VariantNoCastle:
390 case VariantShatranj:
395 flags &= ~F_ALL_CASTLE_OK;
403 FILE *gameFileFP, *debugFP, *serverFP;
404 char *currentDebugFile; // [HGM] debug split: to remember name
407 [AS] Note: sometimes, the sscanf() function is used to parse the input
408 into a fixed-size buffer. Because of this, we must be prepared to
409 receive strings as long as the size of the input buffer, which is currently
410 set to 4K for Windows and 8K for the rest.
411 So, we must either allocate sufficiently large buffers here, or
412 reduce the size of the input buffer in the input reading part.
415 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
416 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
417 char thinkOutput1[MSG_SIZ*10];
419 ChessProgramState first, second, pairing;
421 /* premove variables */
424 int premoveFromX = 0;
425 int premoveFromY = 0;
426 int premovePromoChar = 0;
428 Boolean alarmSounded;
429 /* end premove variables */
431 char *ics_prefix = "$";
432 enum ICS_TYPE ics_type = ICS_GENERIC;
434 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
435 int pauseExamForwardMostMove = 0;
436 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
437 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
438 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
439 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
440 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
441 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
442 int whiteFlag = FALSE, blackFlag = FALSE;
443 int userOfferedDraw = FALSE;
444 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
445 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
446 int cmailMoveType[CMAIL_MAX_GAMES];
447 long ics_clock_paused = 0;
448 ProcRef icsPR = NoProc, cmailPR = NoProc;
449 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
450 GameMode gameMode = BeginningOfGame;
451 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
452 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
453 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
454 int hiddenThinkOutputState = 0; /* [AS] */
455 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
456 int adjudicateLossPlies = 6;
457 char white_holding[64], black_holding[64];
458 TimeMark lastNodeCountTime;
459 long lastNodeCount=0;
460 int shiftKey, controlKey; // [HGM] set by mouse handler
462 int have_sent_ICS_logon = 0;
464 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
465 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
466 Boolean adjustedClock;
467 long timeControl_2; /* [AS] Allow separate time controls */
468 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
469 long timeRemaining[2][MAX_MOVES];
470 int matchGame = 0, nextGame = 0, roundNr = 0;
471 Boolean waitingForGame = FALSE, startingEngine = FALSE;
472 TimeMark programStartTime, pauseStart;
473 char ics_handle[MSG_SIZ];
474 int have_set_title = 0;
476 /* animateTraining preserves the state of appData.animate
477 * when Training mode is activated. This allows the
478 * response to be animated when appData.animate == TRUE and
479 * appData.animateDragging == TRUE.
481 Boolean animateTraining;
487 Board boards[MAX_MOVES];
488 /* [HGM] Following 7 needed for accurate legality tests: */
489 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
490 signed char initialRights[BOARD_FILES];
491 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
492 int initialRulePlies, FENrulePlies;
493 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
495 Boolean shuffleOpenings;
496 int mute; // mute all sounds
498 // [HGM] vari: next 12 to save and restore variations
499 #define MAX_VARIATIONS 10
500 int framePtr = MAX_MOVES-1; // points to free stack entry
502 int savedFirst[MAX_VARIATIONS];
503 int savedLast[MAX_VARIATIONS];
504 int savedFramePtr[MAX_VARIATIONS];
505 char *savedDetails[MAX_VARIATIONS];
506 ChessMove savedResult[MAX_VARIATIONS];
508 void PushTail P((int firstMove, int lastMove));
509 Boolean PopTail P((Boolean annotate));
510 void PushInner P((int firstMove, int lastMove));
511 void PopInner P((Boolean annotate));
512 void CleanupTail P((void));
514 ChessSquare FIDEArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackBishop, BlackKnight, BlackRook }
521 ChessSquare twoKingsArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
523 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
524 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
525 BlackKing, BlackKing, BlackKnight, BlackRook }
528 ChessSquare KnightmateArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
530 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
531 { BlackRook, BlackMan, BlackBishop, BlackQueen,
532 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
535 ChessSquare SpartanArray[2][BOARD_FILES] = {
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
539 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
542 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
543 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
544 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
545 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
546 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
549 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
551 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
553 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
556 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
557 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
558 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackMan, BlackFerz,
560 BlackKing, BlackMan, BlackKnight, BlackRook }
563 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
564 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
565 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackMan, BlackFerz,
567 BlackKing, BlackMan, BlackKnight, BlackRook }
570 ChessSquare lionArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
573 { BlackRook, BlackLion, BlackBishop, BlackQueen,
574 BlackKing, BlackBishop, BlackKnight, BlackRook }
578 #if (BOARD_FILES>=10)
579 ChessSquare ShogiArray[2][BOARD_FILES] = {
580 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
581 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
582 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
583 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
586 ChessSquare XiangqiArray[2][BOARD_FILES] = {
587 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
588 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
589 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
590 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
593 ChessSquare CapablancaArray[2][BOARD_FILES] = {
594 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
595 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
596 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
597 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
600 ChessSquare GreatArray[2][BOARD_FILES] = {
601 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
602 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
603 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
604 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
607 ChessSquare JanusArray[2][BOARD_FILES] = {
608 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
609 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
610 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
611 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
614 ChessSquare GrandArray[2][BOARD_FILES] = {
615 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
616 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
617 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
618 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
621 ChessSquare ChuChessArray[2][BOARD_FILES] = {
622 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
623 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
624 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
625 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
629 ChessSquare GothicArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
631 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
633 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
636 #define GothicArray CapablancaArray
640 ChessSquare FalconArray[2][BOARD_FILES] = {
641 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
642 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
643 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
644 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
647 #define FalconArray CapablancaArray
650 #else // !(BOARD_FILES>=10)
651 #define XiangqiPosition FIDEArray
652 #define CapablancaArray FIDEArray
653 #define GothicArray FIDEArray
654 #define GreatArray FIDEArray
655 #endif // !(BOARD_FILES>=10)
657 #if (BOARD_FILES>=12)
658 ChessSquare CourierArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
660 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
662 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
664 ChessSquare ChuArray[6][BOARD_FILES] = {
665 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
666 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
667 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
668 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
669 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
670 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
671 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
672 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
673 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
674 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
675 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
676 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
678 #else // !(BOARD_FILES>=12)
679 #define CourierArray CapablancaArray
680 #define ChuArray CapablancaArray
681 #endif // !(BOARD_FILES>=12)
684 Board initialPosition;
687 /* Convert str to a rating. Checks for special cases of "----",
689 "++++", etc. Also strips ()'s */
691 string_to_rating (char *str)
693 while(*str && !isdigit(*str)) ++str;
695 return 0; /* One of the special "no rating" cases */
703 /* Init programStats */
704 programStats.movelist[0] = 0;
705 programStats.depth = 0;
706 programStats.nr_moves = 0;
707 programStats.moves_left = 0;
708 programStats.nodes = 0;
709 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
710 programStats.score = 0;
711 programStats.got_only_move = 0;
712 programStats.got_fail = 0;
713 programStats.line_is_book = 0;
718 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
719 if (appData.firstPlaysBlack) {
720 first.twoMachinesColor = "black\n";
721 second.twoMachinesColor = "white\n";
723 first.twoMachinesColor = "white\n";
724 second.twoMachinesColor = "black\n";
727 first.other = &second;
728 second.other = &first;
731 if(appData.timeOddsMode) {
732 norm = appData.timeOdds[0];
733 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
735 first.timeOdds = appData.timeOdds[0]/norm;
736 second.timeOdds = appData.timeOdds[1]/norm;
739 if(programVersion) free(programVersion);
740 if (appData.noChessProgram) {
741 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
742 sprintf(programVersion, "%s", PACKAGE_STRING);
744 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
745 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
746 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
751 UnloadEngine (ChessProgramState *cps)
753 /* Kill off first chess program */
754 if (cps->isr != NULL)
755 RemoveInputSource(cps->isr);
758 if (cps->pr != NoProc) {
760 DoSleep( appData.delayBeforeQuit );
761 SendToProgram("quit\n", cps);
762 DoSleep( appData.delayAfterQuit );
763 DestroyChildProcess(cps->pr, cps->useSigterm);
766 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
770 ClearOptions (ChessProgramState *cps)
773 cps->nrOptions = cps->comboCnt = 0;
774 for(i=0; i<MAX_OPTIONS; i++) {
775 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
776 cps->option[i].textValue = 0;
780 char *engineNames[] = {
781 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
782 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
784 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
785 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
790 InitEngine (ChessProgramState *cps, int n)
791 { // [HGM] all engine initialiation put in a function that does one engine
795 cps->which = engineNames[n];
796 cps->maybeThinking = FALSE;
800 cps->sendDrawOffers = 1;
802 cps->program = appData.chessProgram[n];
803 cps->host = appData.host[n];
804 cps->dir = appData.directory[n];
805 cps->initString = appData.engInitString[n];
806 cps->computerString = appData.computerString[n];
807 cps->useSigint = TRUE;
808 cps->useSigterm = TRUE;
809 cps->reuse = appData.reuse[n];
810 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
811 cps->useSetboard = FALSE;
813 cps->usePing = FALSE;
816 cps->usePlayother = FALSE;
817 cps->useColors = TRUE;
818 cps->useUsermove = FALSE;
819 cps->sendICS = FALSE;
820 cps->sendName = appData.icsActive;
821 cps->sdKludge = FALSE;
822 cps->stKludge = FALSE;
823 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
824 TidyProgramName(cps->program, cps->host, cps->tidy);
826 ASSIGN(cps->variants, appData.variant);
827 cps->analysisSupport = 2; /* detect */
828 cps->analyzing = FALSE;
829 cps->initDone = FALSE;
832 /* New features added by Tord: */
833 cps->useFEN960 = FALSE;
834 cps->useOOCastle = TRUE;
835 /* End of new features added by Tord. */
836 cps->fenOverride = appData.fenOverride[n];
838 /* [HGM] time odds: set factor for each machine */
839 cps->timeOdds = appData.timeOdds[n];
841 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
842 cps->accumulateTC = appData.accumulateTC[n];
843 cps->maxNrOfSessions = 1;
848 cps->supportsNPS = UNKNOWN;
849 cps->memSize = FALSE;
850 cps->maxCores = FALSE;
851 ASSIGN(cps->egtFormats, "");
854 cps->optionSettings = appData.engOptions[n];
856 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
857 cps->isUCI = appData.isUCI[n]; /* [AS] */
858 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
861 if (appData.protocolVersion[n] > PROTOVER
862 || appData.protocolVersion[n] < 1)
867 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
868 appData.protocolVersion[n]);
869 if( (len >= MSG_SIZ) && appData.debugMode )
870 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
872 DisplayFatalError(buf, 0, 2);
876 cps->protocolVersion = appData.protocolVersion[n];
879 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
880 ParseFeatures(appData.featureDefaults, cps);
883 ChessProgramState *savCps;
891 if(WaitForEngine(savCps, LoadEngine)) return;
892 CommonEngineInit(); // recalculate time odds
893 if(gameInfo.variant != StringToVariant(appData.variant)) {
894 // we changed variant when loading the engine; this forces us to reset
895 Reset(TRUE, savCps != &first);
896 oldMode = BeginningOfGame; // to prevent restoring old mode
898 InitChessProgram(savCps, FALSE);
899 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
900 DisplayMessage("", "");
901 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
902 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
905 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
909 ReplaceEngine (ChessProgramState *cps, int n)
911 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
913 if(oldMode != BeginningOfGame) EditGameEvent();
916 appData.noChessProgram = FALSE;
917 appData.clockMode = TRUE;
920 if(n) return; // only startup first engine immediately; second can wait
921 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
925 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
926 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
928 static char resetOptions[] =
929 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
930 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
931 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
932 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
935 FloatToFront(char **list, char *engineLine)
937 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
939 if(appData.recentEngines <= 0) return;
940 TidyProgramName(engineLine, "localhost", tidy+1);
941 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
942 strncpy(buf+1, *list, MSG_SIZ-50);
943 if(p = strstr(buf, tidy)) { // tidy name appears in list
944 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
945 while(*p++ = *++q); // squeeze out
947 strcat(tidy, buf+1); // put list behind tidy name
948 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
949 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
950 ASSIGN(*list, tidy+1);
953 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
956 Load (ChessProgramState *cps, int i)
958 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
959 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
960 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
961 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
962 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
963 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
964 appData.firstProtocolVersion = PROTOVER;
965 ParseArgsFromString(buf);
967 ReplaceEngine(cps, i);
968 FloatToFront(&appData.recentEngineList, engineLine);
972 while(q = strchr(p, SLASH)) p = q+1;
973 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
974 if(engineDir[0] != NULLCHAR) {
975 ASSIGN(appData.directory[i], engineDir); p = engineName;
976 } else if(p != engineName) { // derive directory from engine path, when not given
978 ASSIGN(appData.directory[i], engineName);
980 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
981 } else { ASSIGN(appData.directory[i], "."); }
982 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
984 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
985 snprintf(command, MSG_SIZ, "%s %s", p, params);
988 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
989 ASSIGN(appData.chessProgram[i], p);
990 appData.isUCI[i] = isUCI;
991 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
992 appData.hasOwnBookUCI[i] = hasBook;
993 if(!nickName[0]) useNick = FALSE;
994 if(useNick) ASSIGN(appData.pgnName[i], nickName);
998 q = firstChessProgramNames;
999 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1000 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1001 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1002 quote, p, quote, appData.directory[i],
1003 useNick ? " -fn \"" : "",
1004 useNick ? nickName : "",
1005 useNick ? "\"" : "",
1006 v1 ? " -firstProtocolVersion 1" : "",
1007 hasBook ? "" : " -fNoOwnBookUCI",
1008 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1009 storeVariant ? " -variant " : "",
1010 storeVariant ? VariantName(gameInfo.variant) : "");
1011 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1012 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1013 if(insert != q) insert[-1] = NULLCHAR;
1014 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1016 FloatToFront(&appData.recentEngineList, buf);
1018 ReplaceEngine(cps, i);
1024 int matched, min, sec;
1026 * Parse timeControl resource
1028 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1029 appData.movesPerSession)) {
1031 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1032 DisplayFatalError(buf, 0, 2);
1036 * Parse searchTime resource
1038 if (*appData.searchTime != NULLCHAR) {
1039 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1041 searchTime = min * 60;
1042 } else if (matched == 2) {
1043 searchTime = min * 60 + sec;
1046 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1047 DisplayFatalError(buf, 0, 2);
1056 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1057 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1059 GetTimeMark(&programStartTime);
1060 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1061 appData.seedBase = random() + (random()<<15);
1062 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1064 ClearProgramStats();
1065 programStats.ok_to_send = 1;
1066 programStats.seen_stat = 0;
1069 * Initialize game list
1075 * Internet chess server status
1077 if (appData.icsActive) {
1078 appData.matchMode = FALSE;
1079 appData.matchGames = 0;
1081 appData.noChessProgram = !appData.zippyPlay;
1083 appData.zippyPlay = FALSE;
1084 appData.zippyTalk = FALSE;
1085 appData.noChessProgram = TRUE;
1087 if (*appData.icsHelper != NULLCHAR) {
1088 appData.useTelnet = TRUE;
1089 appData.telnetProgram = appData.icsHelper;
1092 appData.zippyTalk = appData.zippyPlay = FALSE;
1095 /* [AS] Initialize pv info list [HGM] and game state */
1099 for( i=0; i<=framePtr; i++ ) {
1100 pvInfoList[i].depth = -1;
1101 boards[i][EP_STATUS] = EP_NONE;
1102 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1108 /* [AS] Adjudication threshold */
1109 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1111 InitEngine(&first, 0);
1112 InitEngine(&second, 1);
1115 pairing.which = "pairing"; // pairing engine
1116 pairing.pr = NoProc;
1118 pairing.program = appData.pairingEngine;
1119 pairing.host = "localhost";
1122 if (appData.icsActive) {
1123 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1124 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1125 appData.clockMode = FALSE;
1126 first.sendTime = second.sendTime = 0;
1130 /* Override some settings from environment variables, for backward
1131 compatibility. Unfortunately it's not feasible to have the env
1132 vars just set defaults, at least in xboard. Ugh.
1134 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1139 if (!appData.icsActive) {
1143 /* Check for variants that are supported only in ICS mode,
1144 or not at all. Some that are accepted here nevertheless
1145 have bugs; see comments below.
1147 VariantClass variant = StringToVariant(appData.variant);
1149 case VariantBughouse: /* need four players and two boards */
1150 case VariantKriegspiel: /* need to hide pieces and move details */
1151 /* case VariantFischeRandom: (Fabien: moved below) */
1152 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1153 if( (len >= MSG_SIZ) && appData.debugMode )
1154 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1156 DisplayFatalError(buf, 0, 2);
1159 case VariantUnknown:
1160 case VariantLoadable:
1170 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1171 if( (len >= MSG_SIZ) && appData.debugMode )
1172 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1174 DisplayFatalError(buf, 0, 2);
1177 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1178 case VariantFairy: /* [HGM] TestLegality definitely off! */
1179 case VariantGothic: /* [HGM] should work */
1180 case VariantCapablanca: /* [HGM] should work */
1181 case VariantCourier: /* [HGM] initial forced moves not implemented */
1182 case VariantShogi: /* [HGM] could still mate with pawn drop */
1183 case VariantChu: /* [HGM] experimental */
1184 case VariantKnightmate: /* [HGM] should work */
1185 case VariantCylinder: /* [HGM] untested */
1186 case VariantFalcon: /* [HGM] untested */
1187 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1188 offboard interposition not understood */
1189 case VariantNormal: /* definitely works! */
1190 case VariantWildCastle: /* pieces not automatically shuffled */
1191 case VariantNoCastle: /* pieces not automatically shuffled */
1192 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1193 case VariantLosers: /* should work except for win condition,
1194 and doesn't know captures are mandatory */
1195 case VariantSuicide: /* should work except for win condition,
1196 and doesn't know captures are mandatory */
1197 case VariantGiveaway: /* should work except for win condition,
1198 and doesn't know captures are mandatory */
1199 case VariantTwoKings: /* should work */
1200 case VariantAtomic: /* should work except for win condition */
1201 case Variant3Check: /* should work except for win condition */
1202 case VariantShatranj: /* should work except for all win conditions */
1203 case VariantMakruk: /* should work except for draw countdown */
1204 case VariantASEAN : /* should work except for draw countdown */
1205 case VariantBerolina: /* might work if TestLegality is off */
1206 case VariantCapaRandom: /* should work */
1207 case VariantJanus: /* should work */
1208 case VariantSuper: /* experimental */
1209 case VariantGreat: /* experimental, requires legality testing to be off */
1210 case VariantSChess: /* S-Chess, should work */
1211 case VariantGrand: /* should work */
1212 case VariantSpartan: /* should work */
1213 case VariantLion: /* should work */
1214 case VariantChuChess: /* should work */
1222 NextIntegerFromString (char ** str, long * value)
1227 while( *s == ' ' || *s == '\t' ) {
1233 if( *s >= '0' && *s <= '9' ) {
1234 while( *s >= '0' && *s <= '9' ) {
1235 *value = *value * 10 + (*s - '0');
1248 NextTimeControlFromString (char ** str, long * value)
1251 int result = NextIntegerFromString( str, &temp );
1254 *value = temp * 60; /* Minutes */
1255 if( **str == ':' ) {
1257 result = NextIntegerFromString( str, &temp );
1258 *value += temp; /* Seconds */
1266 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1267 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1268 int result = -1, type = 0; long temp, temp2;
1270 if(**str != ':') return -1; // old params remain in force!
1272 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1273 if( NextIntegerFromString( str, &temp ) ) return -1;
1274 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1277 /* time only: incremental or sudden-death time control */
1278 if(**str == '+') { /* increment follows; read it */
1280 if(**str == '!') type = *(*str)++; // Bronstein TC
1281 if(result = NextIntegerFromString( str, &temp2)) return -1;
1282 *inc = temp2 * 1000;
1283 if(**str == '.') { // read fraction of increment
1284 char *start = ++(*str);
1285 if(result = NextIntegerFromString( str, &temp2)) return -1;
1287 while(start++ < *str) temp2 /= 10;
1291 *moves = 0; *tc = temp * 1000; *incType = type;
1295 (*str)++; /* classical time control */
1296 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1308 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1309 { /* [HGM] get time to add from the multi-session time-control string */
1310 int incType, moves=1; /* kludge to force reading of first session */
1311 long time, increment;
1314 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1316 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1317 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1318 if(movenr == -1) return time; /* last move before new session */
1319 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1320 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1321 if(!moves) return increment; /* current session is incremental */
1322 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1323 } while(movenr >= -1); /* try again for next session */
1325 return 0; // no new time quota on this move
1329 ParseTimeControl (char *tc, float ti, int mps)
1333 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1336 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1337 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1338 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1342 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1344 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1347 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1349 snprintf(buf, MSG_SIZ, ":%s", mytc);
1351 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1353 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1358 /* Parse second time control */
1361 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1369 timeControl_2 = tc2 * 1000;
1379 timeControl = tc1 * 1000;
1382 timeIncrement = ti * 1000; /* convert to ms */
1383 movesPerSession = 0;
1386 movesPerSession = mps;
1394 if (appData.debugMode) {
1395 # ifdef __GIT_VERSION
1396 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1398 fprintf(debugFP, "Version: %s\n", programVersion);
1401 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1403 set_cont_sequence(appData.wrapContSeq);
1404 if (appData.matchGames > 0) {
1405 appData.matchMode = TRUE;
1406 } else if (appData.matchMode) {
1407 appData.matchGames = 1;
1409 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1410 appData.matchGames = appData.sameColorGames;
1411 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1412 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1413 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1416 if (appData.noChessProgram || first.protocolVersion == 1) {
1419 /* kludge: allow timeout for initial "feature" commands */
1421 DisplayMessage("", _("Starting chess program"));
1422 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1427 CalculateIndex (int index, int gameNr)
1428 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1430 if(index > 0) return index; // fixed nmber
1431 if(index == 0) return 1;
1432 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1433 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1438 LoadGameOrPosition (int gameNr)
1439 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1440 if (*appData.loadGameFile != NULLCHAR) {
1441 if (!LoadGameFromFile(appData.loadGameFile,
1442 CalculateIndex(appData.loadGameIndex, gameNr),
1443 appData.loadGameFile, FALSE)) {
1444 DisplayFatalError(_("Bad game file"), 0, 1);
1447 } else if (*appData.loadPositionFile != NULLCHAR) {
1448 if (!LoadPositionFromFile(appData.loadPositionFile,
1449 CalculateIndex(appData.loadPositionIndex, gameNr),
1450 appData.loadPositionFile)) {
1451 DisplayFatalError(_("Bad position file"), 0, 1);
1459 ReserveGame (int gameNr, char resChar)
1461 FILE *tf = fopen(appData.tourneyFile, "r+");
1462 char *p, *q, c, buf[MSG_SIZ];
1463 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1464 safeStrCpy(buf, lastMsg, MSG_SIZ);
1465 DisplayMessage(_("Pick new game"), "");
1466 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1467 ParseArgsFromFile(tf);
1468 p = q = appData.results;
1469 if(appData.debugMode) {
1470 char *r = appData.participants;
1471 fprintf(debugFP, "results = '%s'\n", p);
1472 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1473 fprintf(debugFP, "\n");
1475 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1477 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1478 safeStrCpy(q, p, strlen(p) + 2);
1479 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1480 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1481 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1482 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1485 fseek(tf, -(strlen(p)+4), SEEK_END);
1487 if(c != '"') // depending on DOS or Unix line endings we can be one off
1488 fseek(tf, -(strlen(p)+2), SEEK_END);
1489 else fseek(tf, -(strlen(p)+3), SEEK_END);
1490 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1491 DisplayMessage(buf, "");
1492 free(p); appData.results = q;
1493 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1494 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1495 int round = appData.defaultMatchGames * appData.tourneyType;
1496 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1497 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1498 UnloadEngine(&first); // next game belongs to other pairing;
1499 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1501 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1505 MatchEvent (int mode)
1506 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1508 if(matchMode) { // already in match mode: switch it off
1510 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1513 // if(gameMode != BeginningOfGame) {
1514 // DisplayError(_("You can only start a match from the initial position."), 0);
1518 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1519 /* Set up machine vs. machine match */
1521 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1522 if(appData.tourneyFile[0]) {
1524 if(nextGame > appData.matchGames) {
1526 if(strchr(appData.results, '*') == NULL) {
1528 appData.tourneyCycles++;
1529 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1531 NextTourneyGame(-1, &dummy);
1533 if(nextGame <= appData.matchGames) {
1534 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1536 ScheduleDelayedEvent(NextMatchGame, 10000);
1541 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1542 DisplayError(buf, 0);
1543 appData.tourneyFile[0] = 0;
1547 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1548 DisplayFatalError(_("Can't have a match with no chess programs"),
1553 matchGame = roundNr = 1;
1554 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1558 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1561 InitBackEnd3 P((void))
1563 GameMode initialMode;
1567 InitChessProgram(&first, startedFromSetupPosition);
1569 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1570 free(programVersion);
1571 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1572 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1573 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1576 if (appData.icsActive) {
1578 /* [DM] Make a console window if needed [HGM] merged ifs */
1584 if (*appData.icsCommPort != NULLCHAR)
1585 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1586 appData.icsCommPort);
1588 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1589 appData.icsHost, appData.icsPort);
1591 if( (len >= MSG_SIZ) && appData.debugMode )
1592 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1594 DisplayFatalError(buf, err, 1);
1599 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1601 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1602 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1603 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1604 } else if (appData.noChessProgram) {
1610 if (*appData.cmailGameName != NULLCHAR) {
1612 OpenLoopback(&cmailPR);
1614 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1618 DisplayMessage("", "");
1619 if (StrCaseCmp(appData.initialMode, "") == 0) {
1620 initialMode = BeginningOfGame;
1621 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1622 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1623 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1624 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1627 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1628 initialMode = TwoMachinesPlay;
1629 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1630 initialMode = AnalyzeFile;
1631 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1632 initialMode = AnalyzeMode;
1633 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1634 initialMode = MachinePlaysWhite;
1635 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1636 initialMode = MachinePlaysBlack;
1637 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1638 initialMode = EditGame;
1639 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1640 initialMode = EditPosition;
1641 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1642 initialMode = Training;
1644 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1645 if( (len >= MSG_SIZ) && appData.debugMode )
1646 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1648 DisplayFatalError(buf, 0, 2);
1652 if (appData.matchMode) {
1653 if(appData.tourneyFile[0]) { // start tourney from command line
1655 if(f = fopen(appData.tourneyFile, "r")) {
1656 ParseArgsFromFile(f); // make sure tourney parmeters re known
1658 appData.clockMode = TRUE;
1660 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1663 } else if (*appData.cmailGameName != NULLCHAR) {
1664 /* Set up cmail mode */
1665 ReloadCmailMsgEvent(TRUE);
1667 /* Set up other modes */
1668 if (initialMode == AnalyzeFile) {
1669 if (*appData.loadGameFile == NULLCHAR) {
1670 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1674 if (*appData.loadGameFile != NULLCHAR) {
1675 (void) LoadGameFromFile(appData.loadGameFile,
1676 appData.loadGameIndex,
1677 appData.loadGameFile, TRUE);
1678 } else if (*appData.loadPositionFile != NULLCHAR) {
1679 (void) LoadPositionFromFile(appData.loadPositionFile,
1680 appData.loadPositionIndex,
1681 appData.loadPositionFile);
1682 /* [HGM] try to make self-starting even after FEN load */
1683 /* to allow automatic setup of fairy variants with wtm */
1684 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1685 gameMode = BeginningOfGame;
1686 setboardSpoiledMachineBlack = 1;
1688 /* [HGM] loadPos: make that every new game uses the setup */
1689 /* from file as long as we do not switch variant */
1690 if(!blackPlaysFirst) {
1691 startedFromPositionFile = TRUE;
1692 CopyBoard(filePosition, boards[0]);
1695 if (initialMode == AnalyzeMode) {
1696 if (appData.noChessProgram) {
1697 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1700 if (appData.icsActive) {
1701 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1705 } else if (initialMode == AnalyzeFile) {
1706 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1707 ShowThinkingEvent();
1709 AnalysisPeriodicEvent(1);
1710 } else if (initialMode == MachinePlaysWhite) {
1711 if (appData.noChessProgram) {
1712 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1716 if (appData.icsActive) {
1717 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1721 MachineWhiteEvent();
1722 } else if (initialMode == MachinePlaysBlack) {
1723 if (appData.noChessProgram) {
1724 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1728 if (appData.icsActive) {
1729 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1733 MachineBlackEvent();
1734 } else if (initialMode == TwoMachinesPlay) {
1735 if (appData.noChessProgram) {
1736 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1740 if (appData.icsActive) {
1741 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1746 } else if (initialMode == EditGame) {
1748 } else if (initialMode == EditPosition) {
1749 EditPositionEvent();
1750 } else if (initialMode == Training) {
1751 if (*appData.loadGameFile == NULLCHAR) {
1752 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1761 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1763 DisplayBook(current+1);
1765 MoveHistorySet( movelist, first, last, current, pvInfoList );
1767 EvalGraphSet( first, last, current, pvInfoList );
1769 MakeEngineOutputTitle();
1773 * Establish will establish a contact to a remote host.port.
1774 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1775 * used to talk to the host.
1776 * Returns 0 if okay, error code if not.
1783 if (*appData.icsCommPort != NULLCHAR) {
1784 /* Talk to the host through a serial comm port */
1785 return OpenCommPort(appData.icsCommPort, &icsPR);
1787 } else if (*appData.gateway != NULLCHAR) {
1788 if (*appData.remoteShell == NULLCHAR) {
1789 /* Use the rcmd protocol to run telnet program on a gateway host */
1790 snprintf(buf, sizeof(buf), "%s %s %s",
1791 appData.telnetProgram, appData.icsHost, appData.icsPort);
1792 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1795 /* Use the rsh program to run telnet program on a gateway host */
1796 if (*appData.remoteUser == NULLCHAR) {
1797 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1798 appData.gateway, appData.telnetProgram,
1799 appData.icsHost, appData.icsPort);
1801 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1802 appData.remoteShell, appData.gateway,
1803 appData.remoteUser, appData.telnetProgram,
1804 appData.icsHost, appData.icsPort);
1806 return StartChildProcess(buf, "", &icsPR);
1809 } else if (appData.useTelnet) {
1810 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1813 /* TCP socket interface differs somewhat between
1814 Unix and NT; handle details in the front end.
1816 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1821 EscapeExpand (char *p, char *q)
1822 { // [HGM] initstring: routine to shape up string arguments
1823 while(*p++ = *q++) if(p[-1] == '\\')
1825 case 'n': p[-1] = '\n'; break;
1826 case 'r': p[-1] = '\r'; break;
1827 case 't': p[-1] = '\t'; break;
1828 case '\\': p[-1] = '\\'; break;
1829 case 0: *p = 0; return;
1830 default: p[-1] = q[-1]; break;
1835 show_bytes (FILE *fp, char *buf, int count)
1838 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1839 fprintf(fp, "\\%03o", *buf & 0xff);
1848 /* Returns an errno value */
1850 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1852 char buf[8192], *p, *q, *buflim;
1853 int left, newcount, outcount;
1855 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1856 *appData.gateway != NULLCHAR) {
1857 if (appData.debugMode) {
1858 fprintf(debugFP, ">ICS: ");
1859 show_bytes(debugFP, message, count);
1860 fprintf(debugFP, "\n");
1862 return OutputToProcess(pr, message, count, outError);
1865 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1872 if (appData.debugMode) {
1873 fprintf(debugFP, ">ICS: ");
1874 show_bytes(debugFP, buf, newcount);
1875 fprintf(debugFP, "\n");
1877 outcount = OutputToProcess(pr, buf, newcount, outError);
1878 if (outcount < newcount) return -1; /* to be sure */
1885 } else if (((unsigned char) *p) == TN_IAC) {
1886 *q++ = (char) TN_IAC;
1893 if (appData.debugMode) {
1894 fprintf(debugFP, ">ICS: ");
1895 show_bytes(debugFP, buf, newcount);
1896 fprintf(debugFP, "\n");
1898 outcount = OutputToProcess(pr, buf, newcount, outError);
1899 if (outcount < newcount) return -1; /* to be sure */
1904 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1906 int outError, outCount;
1907 static int gotEof = 0;
1910 /* Pass data read from player on to ICS */
1913 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1914 if (outCount < count) {
1915 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1917 if(have_sent_ICS_logon == 2) {
1918 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1919 fprintf(ini, "%s", message);
1920 have_sent_ICS_logon = 3;
1922 have_sent_ICS_logon = 1;
1923 } else if(have_sent_ICS_logon == 3) {
1924 fprintf(ini, "%s", message);
1926 have_sent_ICS_logon = 1;
1928 } else if (count < 0) {
1929 RemoveInputSource(isr);
1930 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1931 } else if (gotEof++ > 0) {
1932 RemoveInputSource(isr);
1933 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1939 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1940 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1941 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1942 SendToICS("date\n");
1943 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1946 /* added routine for printf style output to ics */
1948 ics_printf (char *format, ...)
1950 char buffer[MSG_SIZ];
1953 va_start(args, format);
1954 vsnprintf(buffer, sizeof(buffer), format, args);
1955 buffer[sizeof(buffer)-1] = '\0';
1963 int count, outCount, outError;
1965 if (icsPR == NoProc) return;
1968 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1969 if (outCount < count) {
1970 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1974 /* This is used for sending logon scripts to the ICS. Sending
1975 without a delay causes problems when using timestamp on ICC
1976 (at least on my machine). */
1978 SendToICSDelayed (char *s, long msdelay)
1980 int count, outCount, outError;
1982 if (icsPR == NoProc) return;
1985 if (appData.debugMode) {
1986 fprintf(debugFP, ">ICS: ");
1987 show_bytes(debugFP, s, count);
1988 fprintf(debugFP, "\n");
1990 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1992 if (outCount < count) {
1993 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1998 /* Remove all highlighting escape sequences in s
1999 Also deletes any suffix starting with '('
2002 StripHighlightAndTitle (char *s)
2004 static char retbuf[MSG_SIZ];
2007 while (*s != NULLCHAR) {
2008 while (*s == '\033') {
2009 while (*s != NULLCHAR && !isalpha(*s)) s++;
2010 if (*s != NULLCHAR) s++;
2012 while (*s != NULLCHAR && *s != '\033') {
2013 if (*s == '(' || *s == '[') {
2024 /* Remove all highlighting escape sequences in s */
2026 StripHighlight (char *s)
2028 static char retbuf[MSG_SIZ];
2031 while (*s != NULLCHAR) {
2032 while (*s == '\033') {
2033 while (*s != NULLCHAR && !isalpha(*s)) s++;
2034 if (*s != NULLCHAR) s++;
2036 while (*s != NULLCHAR && *s != '\033') {
2044 char engineVariant[MSG_SIZ];
2045 char *variantNames[] = VARIANT_NAMES;
2047 VariantName (VariantClass v)
2049 if(v == VariantUnknown || *engineVariant) return engineVariant;
2050 return variantNames[v];
2054 /* Identify a variant from the strings the chess servers use or the
2055 PGN Variant tag names we use. */
2057 StringToVariant (char *e)
2061 VariantClass v = VariantNormal;
2062 int i, found = FALSE;
2068 /* [HGM] skip over optional board-size prefixes */
2069 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2070 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2071 while( *e++ != '_');
2074 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2078 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2079 if (p = StrCaseStr(e, variantNames[i])) {
2080 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2081 v = (VariantClass) i;
2088 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2089 || StrCaseStr(e, "wild/fr")
2090 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2091 v = VariantFischeRandom;
2092 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2093 (i = 1, p = StrCaseStr(e, "w"))) {
2095 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2102 case 0: /* FICS only, actually */
2104 /* Castling legal even if K starts on d-file */
2105 v = VariantWildCastle;
2110 /* Castling illegal even if K & R happen to start in
2111 normal positions. */
2112 v = VariantNoCastle;
2125 /* Castling legal iff K & R start in normal positions */
2131 /* Special wilds for position setup; unclear what to do here */
2132 v = VariantLoadable;
2135 /* Bizarre ICC game */
2136 v = VariantTwoKings;
2139 v = VariantKriegspiel;
2145 v = VariantFischeRandom;
2148 v = VariantCrazyhouse;
2151 v = VariantBughouse;
2157 /* Not quite the same as FICS suicide! */
2158 v = VariantGiveaway;
2164 v = VariantShatranj;
2167 /* Temporary names for future ICC types. The name *will* change in
2168 the next xboard/WinBoard release after ICC defines it. */
2206 v = VariantCapablanca;
2209 v = VariantKnightmate;
2215 v = VariantCylinder;
2221 v = VariantCapaRandom;
2224 v = VariantBerolina;
2236 /* Found "wild" or "w" in the string but no number;
2237 must assume it's normal chess. */
2241 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2242 if( (len >= MSG_SIZ) && appData.debugMode )
2243 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2245 DisplayError(buf, 0);
2251 if (appData.debugMode) {
2252 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2253 e, wnum, VariantName(v));
2258 static int leftover_start = 0, leftover_len = 0;
2259 char star_match[STAR_MATCH_N][MSG_SIZ];
2261 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2262 advance *index beyond it, and set leftover_start to the new value of
2263 *index; else return FALSE. If pattern contains the character '*', it
2264 matches any sequence of characters not containing '\r', '\n', or the
2265 character following the '*' (if any), and the matched sequence(s) are
2266 copied into star_match.
2269 looking_at ( char *buf, int *index, char *pattern)
2271 char *bufp = &buf[*index], *patternp = pattern;
2273 char *matchp = star_match[0];
2276 if (*patternp == NULLCHAR) {
2277 *index = leftover_start = bufp - buf;
2281 if (*bufp == NULLCHAR) return FALSE;
2282 if (*patternp == '*') {
2283 if (*bufp == *(patternp + 1)) {
2285 matchp = star_match[++star_count];
2289 } else if (*bufp == '\n' || *bufp == '\r') {
2291 if (*patternp == NULLCHAR)
2296 *matchp++ = *bufp++;
2300 if (*patternp != *bufp) return FALSE;
2307 SendToPlayer (char *data, int length)
2309 int error, outCount;
2310 outCount = OutputToProcess(NoProc, data, length, &error);
2311 if (outCount < length) {
2312 DisplayFatalError(_("Error writing to display"), error, 1);
2317 PackHolding (char packed[], char *holding)
2327 switch (runlength) {
2338 sprintf(q, "%d", runlength);
2350 /* Telnet protocol requests from the front end */
2352 TelnetRequest (unsigned char ddww, unsigned char option)
2354 unsigned char msg[3];
2355 int outCount, outError;
2357 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2359 if (appData.debugMode) {
2360 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2376 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2385 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2388 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2393 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2395 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2402 if (!appData.icsActive) return;
2403 TelnetRequest(TN_DO, TN_ECHO);
2409 if (!appData.icsActive) return;
2410 TelnetRequest(TN_DONT, TN_ECHO);
2414 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2416 /* put the holdings sent to us by the server on the board holdings area */
2417 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2421 if(gameInfo.holdingsWidth < 2) return;
2422 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2423 return; // prevent overwriting by pre-board holdings
2425 if( (int)lowestPiece >= BlackPawn ) {
2428 holdingsStartRow = BOARD_HEIGHT-1;
2431 holdingsColumn = BOARD_WIDTH-1;
2432 countsColumn = BOARD_WIDTH-2;
2433 holdingsStartRow = 0;
2437 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2438 board[i][holdingsColumn] = EmptySquare;
2439 board[i][countsColumn] = (ChessSquare) 0;
2441 while( (p=*holdings++) != NULLCHAR ) {
2442 piece = CharToPiece( ToUpper(p) );
2443 if(piece == EmptySquare) continue;
2444 /*j = (int) piece - (int) WhitePawn;*/
2445 j = PieceToNumber(piece);
2446 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2447 if(j < 0) continue; /* should not happen */
2448 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2449 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2450 board[holdingsStartRow+j*direction][countsColumn]++;
2456 VariantSwitch (Board board, VariantClass newVariant)
2458 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2459 static Board oldBoard;
2461 startedFromPositionFile = FALSE;
2462 if(gameInfo.variant == newVariant) return;
2464 /* [HGM] This routine is called each time an assignment is made to
2465 * gameInfo.variant during a game, to make sure the board sizes
2466 * are set to match the new variant. If that means adding or deleting
2467 * holdings, we shift the playing board accordingly
2468 * This kludge is needed because in ICS observe mode, we get boards
2469 * of an ongoing game without knowing the variant, and learn about the
2470 * latter only later. This can be because of the move list we requested,
2471 * in which case the game history is refilled from the beginning anyway,
2472 * but also when receiving holdings of a crazyhouse game. In the latter
2473 * case we want to add those holdings to the already received position.
2477 if (appData.debugMode) {
2478 fprintf(debugFP, "Switch board from %s to %s\n",
2479 VariantName(gameInfo.variant), VariantName(newVariant));
2480 setbuf(debugFP, NULL);
2482 shuffleOpenings = 0; /* [HGM] shuffle */
2483 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2487 newWidth = 9; newHeight = 9;
2488 gameInfo.holdingsSize = 7;
2489 case VariantBughouse:
2490 case VariantCrazyhouse:
2491 newHoldingsWidth = 2; break;
2495 newHoldingsWidth = 2;
2496 gameInfo.holdingsSize = 8;
2499 case VariantCapablanca:
2500 case VariantCapaRandom:
2503 newHoldingsWidth = gameInfo.holdingsSize = 0;
2506 if(newWidth != gameInfo.boardWidth ||
2507 newHeight != gameInfo.boardHeight ||
2508 newHoldingsWidth != gameInfo.holdingsWidth ) {
2510 /* shift position to new playing area, if needed */
2511 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2512 for(i=0; i<BOARD_HEIGHT; i++)
2513 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2514 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2516 for(i=0; i<newHeight; i++) {
2517 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2518 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2520 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2521 for(i=0; i<BOARD_HEIGHT; i++)
2522 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2523 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2526 board[HOLDINGS_SET] = 0;
2527 gameInfo.boardWidth = newWidth;
2528 gameInfo.boardHeight = newHeight;
2529 gameInfo.holdingsWidth = newHoldingsWidth;
2530 gameInfo.variant = newVariant;
2531 InitDrawingSizes(-2, 0);
2532 } else gameInfo.variant = newVariant;
2533 CopyBoard(oldBoard, board); // remember correctly formatted board
2534 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2535 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2538 static int loggedOn = FALSE;
2540 /*-- Game start info cache: --*/
2542 char gs_kind[MSG_SIZ];
2543 static char player1Name[128] = "";
2544 static char player2Name[128] = "";
2545 static char cont_seq[] = "\n\\ ";
2546 static int player1Rating = -1;
2547 static int player2Rating = -1;
2548 /*----------------------------*/
2550 ColorClass curColor = ColorNormal;
2551 int suppressKibitz = 0;
2554 Boolean soughtPending = FALSE;
2555 Boolean seekGraphUp;
2556 #define MAX_SEEK_ADS 200
2558 char *seekAdList[MAX_SEEK_ADS];
2559 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2560 float tcList[MAX_SEEK_ADS];
2561 char colorList[MAX_SEEK_ADS];
2562 int nrOfSeekAds = 0;
2563 int minRating = 1010, maxRating = 2800;
2564 int hMargin = 10, vMargin = 20, h, w;
2565 extern int squareSize, lineGap;
2570 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2571 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2572 if(r < minRating+100 && r >=0 ) r = minRating+100;
2573 if(r > maxRating) r = maxRating;
2574 if(tc < 1.f) tc = 1.f;
2575 if(tc > 95.f) tc = 95.f;
2576 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2577 y = ((double)r - minRating)/(maxRating - minRating)
2578 * (h-vMargin-squareSize/8-1) + vMargin;
2579 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2580 if(strstr(seekAdList[i], " u ")) color = 1;
2581 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2582 !strstr(seekAdList[i], "bullet") &&
2583 !strstr(seekAdList[i], "blitz") &&
2584 !strstr(seekAdList[i], "standard") ) color = 2;
2585 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2586 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2590 PlotSingleSeekAd (int i)
2596 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2598 char buf[MSG_SIZ], *ext = "";
2599 VariantClass v = StringToVariant(type);
2600 if(strstr(type, "wild")) {
2601 ext = type + 4; // append wild number
2602 if(v == VariantFischeRandom) type = "chess960"; else
2603 if(v == VariantLoadable) type = "setup"; else
2604 type = VariantName(v);
2606 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2607 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2608 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2609 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2610 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2611 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2612 seekNrList[nrOfSeekAds] = nr;
2613 zList[nrOfSeekAds] = 0;
2614 seekAdList[nrOfSeekAds++] = StrSave(buf);
2615 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2620 EraseSeekDot (int i)
2622 int x = xList[i], y = yList[i], d=squareSize/4, k;
2623 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2624 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2625 // now replot every dot that overlapped
2626 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2627 int xx = xList[k], yy = yList[k];
2628 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2629 DrawSeekDot(xx, yy, colorList[k]);
2634 RemoveSeekAd (int nr)
2637 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2639 if(seekAdList[i]) free(seekAdList[i]);
2640 seekAdList[i] = seekAdList[--nrOfSeekAds];
2641 seekNrList[i] = seekNrList[nrOfSeekAds];
2642 ratingList[i] = ratingList[nrOfSeekAds];
2643 colorList[i] = colorList[nrOfSeekAds];
2644 tcList[i] = tcList[nrOfSeekAds];
2645 xList[i] = xList[nrOfSeekAds];
2646 yList[i] = yList[nrOfSeekAds];
2647 zList[i] = zList[nrOfSeekAds];
2648 seekAdList[nrOfSeekAds] = NULL;
2654 MatchSoughtLine (char *line)
2656 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2657 int nr, base, inc, u=0; char dummy;
2659 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2660 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2662 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2663 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2664 // match: compact and save the line
2665 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2675 if(!seekGraphUp) return FALSE;
2676 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2677 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2679 DrawSeekBackground(0, 0, w, h);
2680 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2681 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2682 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2683 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2685 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2688 snprintf(buf, MSG_SIZ, "%d", i);
2689 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2692 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2693 for(i=1; i<100; i+=(i<10?1:5)) {
2694 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2695 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2696 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2698 snprintf(buf, MSG_SIZ, "%d", i);
2699 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2702 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2707 SeekGraphClick (ClickType click, int x, int y, int moving)
2709 static int lastDown = 0, displayed = 0, lastSecond;
2710 if(y < 0) return FALSE;
2711 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2712 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2713 if(!seekGraphUp) return FALSE;
2714 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2715 DrawPosition(TRUE, NULL);
2718 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2719 if(click == Release || moving) return FALSE;
2721 soughtPending = TRUE;
2722 SendToICS(ics_prefix);
2723 SendToICS("sought\n"); // should this be "sought all"?
2724 } else { // issue challenge based on clicked ad
2725 int dist = 10000; int i, closest = 0, second = 0;
2726 for(i=0; i<nrOfSeekAds; i++) {
2727 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2728 if(d < dist) { dist = d; closest = i; }
2729 second += (d - zList[i] < 120); // count in-range ads
2730 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2734 second = (second > 1);
2735 if(displayed != closest || second != lastSecond) {
2736 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2737 lastSecond = second; displayed = closest;
2739 if(click == Press) {
2740 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2743 } // on press 'hit', only show info
2744 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2745 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2746 SendToICS(ics_prefix);
2748 return TRUE; // let incoming board of started game pop down the graph
2749 } else if(click == Release) { // release 'miss' is ignored
2750 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2751 if(moving == 2) { // right up-click
2752 nrOfSeekAds = 0; // refresh graph
2753 soughtPending = TRUE;
2754 SendToICS(ics_prefix);
2755 SendToICS("sought\n"); // should this be "sought all"?
2758 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2759 // press miss or release hit 'pop down' seek graph
2760 seekGraphUp = FALSE;
2761 DrawPosition(TRUE, NULL);
2767 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2769 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2770 #define STARTED_NONE 0
2771 #define STARTED_MOVES 1
2772 #define STARTED_BOARD 2
2773 #define STARTED_OBSERVE 3
2774 #define STARTED_HOLDINGS 4
2775 #define STARTED_CHATTER 5
2776 #define STARTED_COMMENT 6
2777 #define STARTED_MOVES_NOHIDE 7
2779 static int started = STARTED_NONE;
2780 static char parse[20000];
2781 static int parse_pos = 0;
2782 static char buf[BUF_SIZE + 1];
2783 static int firstTime = TRUE, intfSet = FALSE;
2784 static ColorClass prevColor = ColorNormal;
2785 static int savingComment = FALSE;
2786 static int cmatch = 0; // continuation sequence match
2793 int backup; /* [DM] For zippy color lines */
2795 char talker[MSG_SIZ]; // [HGM] chat
2798 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2800 if (appData.debugMode) {
2802 fprintf(debugFP, "<ICS: ");
2803 show_bytes(debugFP, data, count);
2804 fprintf(debugFP, "\n");
2808 if (appData.debugMode) { int f = forwardMostMove;
2809 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2810 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2811 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2814 /* If last read ended with a partial line that we couldn't parse,
2815 prepend it to the new read and try again. */
2816 if (leftover_len > 0) {
2817 for (i=0; i<leftover_len; i++)
2818 buf[i] = buf[leftover_start + i];
2821 /* copy new characters into the buffer */
2822 bp = buf + leftover_len;
2823 buf_len=leftover_len;
2824 for (i=0; i<count; i++)
2827 if (data[i] == '\r')
2830 // join lines split by ICS?
2831 if (!appData.noJoin)
2834 Joining just consists of finding matches against the
2835 continuation sequence, and discarding that sequence
2836 if found instead of copying it. So, until a match
2837 fails, there's nothing to do since it might be the
2838 complete sequence, and thus, something we don't want
2841 if (data[i] == cont_seq[cmatch])
2844 if (cmatch == strlen(cont_seq))
2846 cmatch = 0; // complete match. just reset the counter
2849 it's possible for the ICS to not include the space
2850 at the end of the last word, making our [correct]
2851 join operation fuse two separate words. the server
2852 does this when the space occurs at the width setting.
2854 if (!buf_len || buf[buf_len-1] != ' ')
2865 match failed, so we have to copy what matched before
2866 falling through and copying this character. In reality,
2867 this will only ever be just the newline character, but
2868 it doesn't hurt to be precise.
2870 strncpy(bp, cont_seq, cmatch);
2882 buf[buf_len] = NULLCHAR;
2883 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2888 while (i < buf_len) {
2889 /* Deal with part of the TELNET option negotiation
2890 protocol. We refuse to do anything beyond the
2891 defaults, except that we allow the WILL ECHO option,
2892 which ICS uses to turn off password echoing when we are
2893 directly connected to it. We reject this option
2894 if localLineEditing mode is on (always on in xboard)
2895 and we are talking to port 23, which might be a real
2896 telnet server that will try to keep WILL ECHO on permanently.
2898 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2899 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2900 unsigned char option;
2902 switch ((unsigned char) buf[++i]) {
2904 if (appData.debugMode)
2905 fprintf(debugFP, "\n<WILL ");
2906 switch (option = (unsigned char) buf[++i]) {
2908 if (appData.debugMode)
2909 fprintf(debugFP, "ECHO ");
2910 /* Reply only if this is a change, according
2911 to the protocol rules. */
2912 if (remoteEchoOption) break;
2913 if (appData.localLineEditing &&
2914 atoi(appData.icsPort) == TN_PORT) {
2915 TelnetRequest(TN_DONT, TN_ECHO);
2918 TelnetRequest(TN_DO, TN_ECHO);
2919 remoteEchoOption = TRUE;
2923 if (appData.debugMode)
2924 fprintf(debugFP, "%d ", option);
2925 /* Whatever this is, we don't want it. */
2926 TelnetRequest(TN_DONT, option);
2931 if (appData.debugMode)
2932 fprintf(debugFP, "\n<WONT ");
2933 switch (option = (unsigned char) buf[++i]) {
2935 if (appData.debugMode)
2936 fprintf(debugFP, "ECHO ");
2937 /* Reply only if this is a change, according
2938 to the protocol rules. */
2939 if (!remoteEchoOption) break;
2941 TelnetRequest(TN_DONT, TN_ECHO);
2942 remoteEchoOption = FALSE;
2945 if (appData.debugMode)
2946 fprintf(debugFP, "%d ", (unsigned char) option);
2947 /* Whatever this is, it must already be turned
2948 off, because we never agree to turn on
2949 anything non-default, so according to the
2950 protocol rules, we don't reply. */
2955 if (appData.debugMode)
2956 fprintf(debugFP, "\n<DO ");
2957 switch (option = (unsigned char) buf[++i]) {
2959 /* Whatever this is, we refuse to do it. */
2960 if (appData.debugMode)
2961 fprintf(debugFP, "%d ", option);
2962 TelnetRequest(TN_WONT, option);
2967 if (appData.debugMode)
2968 fprintf(debugFP, "\n<DONT ");
2969 switch (option = (unsigned char) buf[++i]) {
2971 if (appData.debugMode)
2972 fprintf(debugFP, "%d ", option);
2973 /* Whatever this is, we are already not doing
2974 it, because we never agree to do anything
2975 non-default, so according to the protocol
2976 rules, we don't reply. */
2981 if (appData.debugMode)
2982 fprintf(debugFP, "\n<IAC ");
2983 /* Doubled IAC; pass it through */
2987 if (appData.debugMode)
2988 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2989 /* Drop all other telnet commands on the floor */
2992 if (oldi > next_out)
2993 SendToPlayer(&buf[next_out], oldi - next_out);
2999 /* OK, this at least will *usually* work */
3000 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3004 if (loggedOn && !intfSet) {
3005 if (ics_type == ICS_ICC) {
3006 snprintf(str, MSG_SIZ,
3007 "/set-quietly interface %s\n/set-quietly style 12\n",
3009 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3010 strcat(str, "/set-2 51 1\n/set seek 1\n");
3011 } else if (ics_type == ICS_CHESSNET) {
3012 snprintf(str, MSG_SIZ, "/style 12\n");
3014 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3015 strcat(str, programVersion);
3016 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3017 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3018 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3020 strcat(str, "$iset nohighlight 1\n");
3022 strcat(str, "$iset lock 1\n$style 12\n");
3025 NotifyFrontendLogin();
3029 if (started == STARTED_COMMENT) {
3030 /* Accumulate characters in comment */
3031 parse[parse_pos++] = buf[i];
3032 if (buf[i] == '\n') {
3033 parse[parse_pos] = NULLCHAR;
3034 if(chattingPartner>=0) {
3036 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3037 OutputChatMessage(chattingPartner, mess);
3038 chattingPartner = -1;
3039 next_out = i+1; // [HGM] suppress printing in ICS window
3041 if(!suppressKibitz) // [HGM] kibitz
3042 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3043 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3044 int nrDigit = 0, nrAlph = 0, j;
3045 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3046 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3047 parse[parse_pos] = NULLCHAR;
3048 // try to be smart: if it does not look like search info, it should go to
3049 // ICS interaction window after all, not to engine-output window.
3050 for(j=0; j<parse_pos; j++) { // count letters and digits
3051 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3052 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3053 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3055 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3056 int depth=0; float score;
3057 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3058 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3059 pvInfoList[forwardMostMove-1].depth = depth;
3060 pvInfoList[forwardMostMove-1].score = 100*score;
3062 OutputKibitz(suppressKibitz, parse);
3065 if(gameMode == IcsObserving) // restore original ICS messages
3066 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3067 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3069 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3070 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3071 SendToPlayer(tmp, strlen(tmp));
3073 next_out = i+1; // [HGM] suppress printing in ICS window
3075 started = STARTED_NONE;
3077 /* Don't match patterns against characters in comment */
3082 if (started == STARTED_CHATTER) {
3083 if (buf[i] != '\n') {
3084 /* Don't match patterns against characters in chatter */
3088 started = STARTED_NONE;
3089 if(suppressKibitz) next_out = i+1;
3092 /* Kludge to deal with rcmd protocol */
3093 if (firstTime && looking_at(buf, &i, "\001*")) {
3094 DisplayFatalError(&buf[1], 0, 1);
3100 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3103 if (appData.debugMode)
3104 fprintf(debugFP, "ics_type %d\n", ics_type);
3107 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3108 ics_type = ICS_FICS;
3110 if (appData.debugMode)
3111 fprintf(debugFP, "ics_type %d\n", ics_type);
3114 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3115 ics_type = ICS_CHESSNET;
3117 if (appData.debugMode)
3118 fprintf(debugFP, "ics_type %d\n", ics_type);
3123 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3124 looking_at(buf, &i, "Logging you in as \"*\"") ||
3125 looking_at(buf, &i, "will be \"*\""))) {
3126 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3130 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3132 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3133 DisplayIcsInteractionTitle(buf);
3134 have_set_title = TRUE;
3137 /* skip finger notes */
3138 if (started == STARTED_NONE &&
3139 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3140 (buf[i] == '1' && buf[i+1] == '0')) &&
3141 buf[i+2] == ':' && buf[i+3] == ' ') {
3142 started = STARTED_CHATTER;
3148 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3149 if(appData.seekGraph) {
3150 if(soughtPending && MatchSoughtLine(buf+i)) {
3151 i = strstr(buf+i, "rated") - buf;
3152 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3153 next_out = leftover_start = i;
3154 started = STARTED_CHATTER;
3155 suppressKibitz = TRUE;
3158 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3159 && looking_at(buf, &i, "* ads displayed")) {
3160 soughtPending = FALSE;
3165 if(appData.autoRefresh) {
3166 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3167 int s = (ics_type == ICS_ICC); // ICC format differs
3169 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3170 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3171 looking_at(buf, &i, "*% "); // eat prompt
3172 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3173 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3174 next_out = i; // suppress
3177 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3178 char *p = star_match[0];
3180 if(seekGraphUp) RemoveSeekAd(atoi(p));
3181 while(*p && *p++ != ' '); // next
3183 looking_at(buf, &i, "*% "); // eat prompt
3184 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3191 /* skip formula vars */
3192 if (started == STARTED_NONE &&
3193 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3194 started = STARTED_CHATTER;
3199 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3200 if (appData.autoKibitz && started == STARTED_NONE &&
3201 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3202 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3203 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3204 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3205 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3206 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3207 suppressKibitz = TRUE;
3208 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3210 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3211 && (gameMode == IcsPlayingWhite)) ||
3212 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3213 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3214 started = STARTED_CHATTER; // own kibitz we simply discard
3216 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3217 parse_pos = 0; parse[0] = NULLCHAR;
3218 savingComment = TRUE;
3219 suppressKibitz = gameMode != IcsObserving ? 2 :
3220 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3224 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3225 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3226 && atoi(star_match[0])) {
3227 // suppress the acknowledgements of our own autoKibitz
3229 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3230 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3231 SendToPlayer(star_match[0], strlen(star_match[0]));
3232 if(looking_at(buf, &i, "*% ")) // eat prompt
3233 suppressKibitz = FALSE;
3237 } // [HGM] kibitz: end of patch
3239 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3241 // [HGM] chat: intercept tells by users for which we have an open chat window
3243 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3244 looking_at(buf, &i, "* whispers:") ||
3245 looking_at(buf, &i, "* kibitzes:") ||
3246 looking_at(buf, &i, "* shouts:") ||
3247 looking_at(buf, &i, "* c-shouts:") ||
3248 looking_at(buf, &i, "--> * ") ||
3249 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3250 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3251 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3252 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3254 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3255 chattingPartner = -1;
3257 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3258 for(p=0; p<MAX_CHAT; p++) {
3259 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3260 talker[0] = '['; strcat(talker, "] ");
3261 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3262 chattingPartner = p; break;
3265 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3266 for(p=0; p<MAX_CHAT; p++) {
3267 if(!strcmp("kibitzes", chatPartner[p])) {
3268 talker[0] = '['; strcat(talker, "] ");
3269 chattingPartner = p; break;
3272 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3273 for(p=0; p<MAX_CHAT; p++) {
3274 if(!strcmp("whispers", chatPartner[p])) {
3275 talker[0] = '['; strcat(talker, "] ");
3276 chattingPartner = p; break;
3279 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3280 if(buf[i-8] == '-' && buf[i-3] == 't')
3281 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3282 if(!strcmp("c-shouts", chatPartner[p])) {
3283 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3284 chattingPartner = p; break;
3287 if(chattingPartner < 0)
3288 for(p=0; p<MAX_CHAT; p++) {
3289 if(!strcmp("shouts", chatPartner[p])) {
3290 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3291 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3292 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3293 chattingPartner = p; break;
3297 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3298 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3299 talker[0] = 0; Colorize(ColorTell, FALSE);
3300 chattingPartner = p; break;
3302 if(chattingPartner<0) i = oldi; else {
3303 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3304 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3305 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3306 started = STARTED_COMMENT;
3307 parse_pos = 0; parse[0] = NULLCHAR;
3308 savingComment = 3 + chattingPartner; // counts as TRUE
3309 suppressKibitz = TRUE;
3312 } // [HGM] chat: end of patch
3315 if (appData.zippyTalk || appData.zippyPlay) {
3316 /* [DM] Backup address for color zippy lines */
3318 if (loggedOn == TRUE)
3319 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3320 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3322 } // [DM] 'else { ' deleted
3324 /* Regular tells and says */
3325 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3326 looking_at(buf, &i, "* (your partner) tells you: ") ||
3327 looking_at(buf, &i, "* says: ") ||
3328 /* Don't color "message" or "messages" output */
3329 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3330 looking_at(buf, &i, "*. * at *:*: ") ||
3331 looking_at(buf, &i, "--* (*:*): ") ||
3332 /* Message notifications (same color as tells) */
3333 looking_at(buf, &i, "* has left a message ") ||
3334 looking_at(buf, &i, "* just sent you a message:\n") ||
3335 /* Whispers and kibitzes */
3336 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3337 looking_at(buf, &i, "* kibitzes: ") ||
3339 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3341 if (tkind == 1 && strchr(star_match[0], ':')) {
3342 /* Avoid "tells you:" spoofs in channels */
3345 if (star_match[0][0] == NULLCHAR ||
3346 strchr(star_match[0], ' ') ||
3347 (tkind == 3 && strchr(star_match[1], ' '))) {
3348 /* Reject bogus matches */
3351 if (appData.colorize) {
3352 if (oldi > next_out) {
3353 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorTell, FALSE);
3359 curColor = ColorTell;
3362 Colorize(ColorKibitz, FALSE);
3363 curColor = ColorKibitz;
3366 p = strrchr(star_match[1], '(');
3373 Colorize(ColorChannel1, FALSE);
3374 curColor = ColorChannel1;
3376 Colorize(ColorChannel, FALSE);
3377 curColor = ColorChannel;
3381 curColor = ColorNormal;
3385 if (started == STARTED_NONE && appData.autoComment &&
3386 (gameMode == IcsObserving ||
3387 gameMode == IcsPlayingWhite ||
3388 gameMode == IcsPlayingBlack)) {
3389 parse_pos = i - oldi;
3390 memcpy(parse, &buf[oldi], parse_pos);
3391 parse[parse_pos] = NULLCHAR;
3392 started = STARTED_COMMENT;
3393 savingComment = TRUE;
3395 started = STARTED_CHATTER;
3396 savingComment = FALSE;
3403 if (looking_at(buf, &i, "* s-shouts: ") ||
3404 looking_at(buf, &i, "* c-shouts: ")) {
3405 if (appData.colorize) {
3406 if (oldi > next_out) {
3407 SendToPlayer(&buf[next_out], oldi - next_out);
3410 Colorize(ColorSShout, FALSE);
3411 curColor = ColorSShout;
3414 started = STARTED_CHATTER;
3418 if (looking_at(buf, &i, "--->")) {
3423 if (looking_at(buf, &i, "* shouts: ") ||
3424 looking_at(buf, &i, "--> ")) {
3425 if (appData.colorize) {
3426 if (oldi > next_out) {
3427 SendToPlayer(&buf[next_out], oldi - next_out);
3430 Colorize(ColorShout, FALSE);
3431 curColor = ColorShout;
3434 started = STARTED_CHATTER;
3438 if (looking_at( buf, &i, "Challenge:")) {
3439 if (appData.colorize) {
3440 if (oldi > next_out) {
3441 SendToPlayer(&buf[next_out], oldi - next_out);
3444 Colorize(ColorChallenge, FALSE);
3445 curColor = ColorChallenge;
3451 if (looking_at(buf, &i, "* offers you") ||
3452 looking_at(buf, &i, "* offers to be") ||
3453 looking_at(buf, &i, "* would like to") ||
3454 looking_at(buf, &i, "* requests to") ||
3455 looking_at(buf, &i, "Your opponent offers") ||
3456 looking_at(buf, &i, "Your opponent requests")) {
3458 if (appData.colorize) {
3459 if (oldi > next_out) {
3460 SendToPlayer(&buf[next_out], oldi - next_out);
3463 Colorize(ColorRequest, FALSE);
3464 curColor = ColorRequest;
3469 if (looking_at(buf, &i, "* (*) seeking")) {
3470 if (appData.colorize) {
3471 if (oldi > next_out) {
3472 SendToPlayer(&buf[next_out], oldi - next_out);
3475 Colorize(ColorSeek, FALSE);
3476 curColor = ColorSeek;
3481 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3483 if (looking_at(buf, &i, "\\ ")) {
3484 if (prevColor != ColorNormal) {
3485 if (oldi > next_out) {
3486 SendToPlayer(&buf[next_out], oldi - next_out);
3489 Colorize(prevColor, TRUE);
3490 curColor = prevColor;
3492 if (savingComment) {
3493 parse_pos = i - oldi;
3494 memcpy(parse, &buf[oldi], parse_pos);
3495 parse[parse_pos] = NULLCHAR;
3496 started = STARTED_COMMENT;
3497 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3498 chattingPartner = savingComment - 3; // kludge to remember the box
3500 started = STARTED_CHATTER;
3505 if (looking_at(buf, &i, "Black Strength :") ||
3506 looking_at(buf, &i, "<<< style 10 board >>>") ||
3507 looking_at(buf, &i, "<10>") ||
3508 looking_at(buf, &i, "#@#")) {
3509 /* Wrong board style */
3511 SendToICS(ics_prefix);
3512 SendToICS("set style 12\n");
3513 SendToICS(ics_prefix);
3514 SendToICS("refresh\n");
3518 if (looking_at(buf, &i, "login:")) {
3519 if (!have_sent_ICS_logon) {
3521 have_sent_ICS_logon = 1;
3522 else // no init script was found
3523 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3524 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3525 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3530 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3531 (looking_at(buf, &i, "\n<12> ") ||
3532 looking_at(buf, &i, "<12> "))) {
3534 if (oldi > next_out) {
3535 SendToPlayer(&buf[next_out], oldi - next_out);
3538 started = STARTED_BOARD;
3543 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3544 looking_at(buf, &i, "<b1> ")) {
3545 if (oldi > next_out) {
3546 SendToPlayer(&buf[next_out], oldi - next_out);
3549 started = STARTED_HOLDINGS;
3554 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3556 /* Header for a move list -- first line */
3558 switch (ics_getting_history) {
3562 case BeginningOfGame:
3563 /* User typed "moves" or "oldmoves" while we
3564 were idle. Pretend we asked for these
3565 moves and soak them up so user can step
3566 through them and/or save them.
3569 gameMode = IcsObserving;
3572 ics_getting_history = H_GOT_UNREQ_HEADER;
3574 case EditGame: /*?*/
3575 case EditPosition: /*?*/
3576 /* Should above feature work in these modes too? */
3577 /* For now it doesn't */
3578 ics_getting_history = H_GOT_UNWANTED_HEADER;
3581 ics_getting_history = H_GOT_UNWANTED_HEADER;
3586 /* Is this the right one? */
3587 if (gameInfo.white && gameInfo.black &&
3588 strcmp(gameInfo.white, star_match[0]) == 0 &&
3589 strcmp(gameInfo.black, star_match[2]) == 0) {
3591 ics_getting_history = H_GOT_REQ_HEADER;
3594 case H_GOT_REQ_HEADER:
3595 case H_GOT_UNREQ_HEADER:
3596 case H_GOT_UNWANTED_HEADER:
3597 case H_GETTING_MOVES:
3598 /* Should not happen */
3599 DisplayError(_("Error gathering move list: two headers"), 0);
3600 ics_getting_history = H_FALSE;
3604 /* Save player ratings into gameInfo if needed */
3605 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3606 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3607 (gameInfo.whiteRating == -1 ||
3608 gameInfo.blackRating == -1)) {
3610 gameInfo.whiteRating = string_to_rating(star_match[1]);
3611 gameInfo.blackRating = string_to_rating(star_match[3]);
3612 if (appData.debugMode)
3613 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3614 gameInfo.whiteRating, gameInfo.blackRating);
3619 if (looking_at(buf, &i,
3620 "* * match, initial time: * minute*, increment: * second")) {
3621 /* Header for a move list -- second line */
3622 /* Initial board will follow if this is a wild game */
3623 if (gameInfo.event != NULL) free(gameInfo.event);
3624 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3625 gameInfo.event = StrSave(str);
3626 /* [HGM] we switched variant. Translate boards if needed. */
3627 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3631 if (looking_at(buf, &i, "Move ")) {
3632 /* Beginning of a move list */
3633 switch (ics_getting_history) {
3635 /* Normally should not happen */
3636 /* Maybe user hit reset while we were parsing */
3639 /* Happens if we are ignoring a move list that is not
3640 * the one we just requested. Common if the user
3641 * tries to observe two games without turning off
3644 case H_GETTING_MOVES:
3645 /* Should not happen */
3646 DisplayError(_("Error gathering move list: nested"), 0);
3647 ics_getting_history = H_FALSE;
3649 case H_GOT_REQ_HEADER:
3650 ics_getting_history = H_GETTING_MOVES;
3651 started = STARTED_MOVES;
3653 if (oldi > next_out) {
3654 SendToPlayer(&buf[next_out], oldi - next_out);
3657 case H_GOT_UNREQ_HEADER:
3658 ics_getting_history = H_GETTING_MOVES;
3659 started = STARTED_MOVES_NOHIDE;
3662 case H_GOT_UNWANTED_HEADER:
3663 ics_getting_history = H_FALSE;
3669 if (looking_at(buf, &i, "% ") ||
3670 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3671 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3672 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3673 soughtPending = FALSE;
3677 if(suppressKibitz) next_out = i;
3678 savingComment = FALSE;
3682 case STARTED_MOVES_NOHIDE:
3683 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3684 parse[parse_pos + i - oldi] = NULLCHAR;
3685 ParseGameHistory(parse);
3687 if (appData.zippyPlay && first.initDone) {
3688 FeedMovesToProgram(&first, forwardMostMove);
3689 if (gameMode == IcsPlayingWhite) {
3690 if (WhiteOnMove(forwardMostMove)) {
3691 if (first.sendTime) {
3692 if (first.useColors) {
3693 SendToProgram("black\n", &first);
3695 SendTimeRemaining(&first, TRUE);
3697 if (first.useColors) {
3698 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3700 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3701 first.maybeThinking = TRUE;
3703 if (first.usePlayother) {
3704 if (first.sendTime) {
3705 SendTimeRemaining(&first, TRUE);
3707 SendToProgram("playother\n", &first);
3713 } else if (gameMode == IcsPlayingBlack) {
3714 if (!WhiteOnMove(forwardMostMove)) {
3715 if (first.sendTime) {
3716 if (first.useColors) {
3717 SendToProgram("white\n", &first);
3719 SendTimeRemaining(&first, FALSE);
3721 if (first.useColors) {
3722 SendToProgram("black\n", &first);
3724 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3725 first.maybeThinking = TRUE;
3727 if (first.usePlayother) {
3728 if (first.sendTime) {
3729 SendTimeRemaining(&first, FALSE);
3731 SendToProgram("playother\n", &first);
3740 if (gameMode == IcsObserving && ics_gamenum == -1) {
3741 /* Moves came from oldmoves or moves command
3742 while we weren't doing anything else.
3744 currentMove = forwardMostMove;
3745 ClearHighlights();/*!!could figure this out*/
3746 flipView = appData.flipView;
3747 DrawPosition(TRUE, boards[currentMove]);
3748 DisplayBothClocks();
3749 snprintf(str, MSG_SIZ, "%s %s %s",
3750 gameInfo.white, _("vs."), gameInfo.black);
3754 /* Moves were history of an active game */
3755 if (gameInfo.resultDetails != NULL) {
3756 free(gameInfo.resultDetails);
3757 gameInfo.resultDetails = NULL;
3760 HistorySet(parseList, backwardMostMove,
3761 forwardMostMove, currentMove-1);
3762 DisplayMove(currentMove - 1);
3763 if (started == STARTED_MOVES) next_out = i;
3764 started = STARTED_NONE;
3765 ics_getting_history = H_FALSE;
3768 case STARTED_OBSERVE:
3769 started = STARTED_NONE;
3770 SendToICS(ics_prefix);
3771 SendToICS("refresh\n");
3777 if(bookHit) { // [HGM] book: simulate book reply
3778 static char bookMove[MSG_SIZ]; // a bit generous?
3780 programStats.nodes = programStats.depth = programStats.time =
3781 programStats.score = programStats.got_only_move = 0;
3782 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3784 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3785 strcat(bookMove, bookHit);
3786 HandleMachineMove(bookMove, &first);
3791 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3792 started == STARTED_HOLDINGS ||
3793 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3794 /* Accumulate characters in move list or board */
3795 parse[parse_pos++] = buf[i];
3798 /* Start of game messages. Mostly we detect start of game
3799 when the first board image arrives. On some versions
3800 of the ICS, though, we need to do a "refresh" after starting
3801 to observe in order to get the current board right away. */
3802 if (looking_at(buf, &i, "Adding game * to observation list")) {
3803 started = STARTED_OBSERVE;
3807 /* Handle auto-observe */
3808 if (appData.autoObserve &&
3809 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3810 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3812 /* Choose the player that was highlighted, if any. */
3813 if (star_match[0][0] == '\033' ||
3814 star_match[1][0] != '\033') {
3815 player = star_match[0];
3817 player = star_match[2];
3819 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3820 ics_prefix, StripHighlightAndTitle(player));
3823 /* Save ratings from notify string */
3824 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3825 player1Rating = string_to_rating(star_match[1]);
3826 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3827 player2Rating = string_to_rating(star_match[3]);
3829 if (appData.debugMode)
3831 "Ratings from 'Game notification:' %s %d, %s %d\n",
3832 player1Name, player1Rating,
3833 player2Name, player2Rating);
3838 /* Deal with automatic examine mode after a game,
3839 and with IcsObserving -> IcsExamining transition */
3840 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3841 looking_at(buf, &i, "has made you an examiner of game *")) {
3843 int gamenum = atoi(star_match[0]);
3844 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3845 gamenum == ics_gamenum) {
3846 /* We were already playing or observing this game;
3847 no need to refetch history */
3848 gameMode = IcsExamining;
3850 pauseExamForwardMostMove = forwardMostMove;
3851 } else if (currentMove < forwardMostMove) {
3852 ForwardInner(forwardMostMove);
3855 /* I don't think this case really can happen */
3856 SendToICS(ics_prefix);
3857 SendToICS("refresh\n");
3862 /* Error messages */
3863 // if (ics_user_moved) {
3864 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3865 if (looking_at(buf, &i, "Illegal move") ||
3866 looking_at(buf, &i, "Not a legal move") ||
3867 looking_at(buf, &i, "Your king is in check") ||
3868 looking_at(buf, &i, "It isn't your turn") ||
3869 looking_at(buf, &i, "It is not your move")) {
3871 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3872 currentMove = forwardMostMove-1;
3873 DisplayMove(currentMove - 1); /* before DMError */
3874 DrawPosition(FALSE, boards[currentMove]);
3875 SwitchClocks(forwardMostMove-1); // [HGM] race
3876 DisplayBothClocks();
3878 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3884 if (looking_at(buf, &i, "still have time") ||
3885 looking_at(buf, &i, "not out of time") ||
3886 looking_at(buf, &i, "either player is out of time") ||
3887 looking_at(buf, &i, "has timeseal; checking")) {
3888 /* We must have called his flag a little too soon */
3889 whiteFlag = blackFlag = FALSE;
3893 if (looking_at(buf, &i, "added * seconds to") ||
3894 looking_at(buf, &i, "seconds were added to")) {
3895 /* Update the clocks */
3896 SendToICS(ics_prefix);
3897 SendToICS("refresh\n");
3901 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3902 ics_clock_paused = TRUE;
3907 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3908 ics_clock_paused = FALSE;
3913 /* Grab player ratings from the Creating: message.
3914 Note we have to check for the special case when
3915 the ICS inserts things like [white] or [black]. */
3916 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3917 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3919 0 player 1 name (not necessarily white)
3921 2 empty, white, or black (IGNORED)
3922 3 player 2 name (not necessarily black)
3925 The names/ratings are sorted out when the game
3926 actually starts (below).
3928 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3929 player1Rating = string_to_rating(star_match[1]);
3930 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3931 player2Rating = string_to_rating(star_match[4]);
3933 if (appData.debugMode)
3935 "Ratings from 'Creating:' %s %d, %s %d\n",
3936 player1Name, player1Rating,
3937 player2Name, player2Rating);
3942 /* Improved generic start/end-of-game messages */
3943 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3944 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3945 /* If tkind == 0: */
3946 /* star_match[0] is the game number */
3947 /* [1] is the white player's name */
3948 /* [2] is the black player's name */
3949 /* For end-of-game: */
3950 /* [3] is the reason for the game end */
3951 /* [4] is a PGN end game-token, preceded by " " */
3952 /* For start-of-game: */
3953 /* [3] begins with "Creating" or "Continuing" */
3954 /* [4] is " *" or empty (don't care). */
3955 int gamenum = atoi(star_match[0]);
3956 char *whitename, *blackname, *why, *endtoken;
3957 ChessMove endtype = EndOfFile;
3960 whitename = star_match[1];
3961 blackname = star_match[2];
3962 why = star_match[3];
3963 endtoken = star_match[4];
3965 whitename = star_match[1];
3966 blackname = star_match[3];
3967 why = star_match[5];
3968 endtoken = star_match[6];
3971 /* Game start messages */
3972 if (strncmp(why, "Creating ", 9) == 0 ||
3973 strncmp(why, "Continuing ", 11) == 0) {
3974 gs_gamenum = gamenum;
3975 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3976 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3977 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3979 if (appData.zippyPlay) {
3980 ZippyGameStart(whitename, blackname);
3983 partnerBoardValid = FALSE; // [HGM] bughouse
3987 /* Game end messages */
3988 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3989 ics_gamenum != gamenum) {
3992 while (endtoken[0] == ' ') endtoken++;
3993 switch (endtoken[0]) {
3996 endtype = GameUnfinished;
3999 endtype = BlackWins;
4002 if (endtoken[1] == '/')
4003 endtype = GameIsDrawn;
4005 endtype = WhiteWins;
4008 GameEnds(endtype, why, GE_ICS);
4010 if (appData.zippyPlay && first.initDone) {
4011 ZippyGameEnd(endtype, why);
4012 if (first.pr == NoProc) {
4013 /* Start the next process early so that we'll
4014 be ready for the next challenge */
4015 StartChessProgram(&first);
4017 /* Send "new" early, in case this command takes
4018 a long time to finish, so that we'll be ready
4019 for the next challenge. */
4020 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4024 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4028 if (looking_at(buf, &i, "Removing game * from observation") ||
4029 looking_at(buf, &i, "no longer observing game *") ||
4030 looking_at(buf, &i, "Game * (*) has no examiners")) {
4031 if (gameMode == IcsObserving &&
4032 atoi(star_match[0]) == ics_gamenum)
4034 /* icsEngineAnalyze */
4035 if (appData.icsEngineAnalyze) {
4042 ics_user_moved = FALSE;
4047 if (looking_at(buf, &i, "no longer examining game *")) {
4048 if (gameMode == IcsExamining &&
4049 atoi(star_match[0]) == ics_gamenum)
4053 ics_user_moved = FALSE;
4058 /* Advance leftover_start past any newlines we find,
4059 so only partial lines can get reparsed */
4060 if (looking_at(buf, &i, "\n")) {
4061 prevColor = curColor;
4062 if (curColor != ColorNormal) {
4063 if (oldi > next_out) {
4064 SendToPlayer(&buf[next_out], oldi - next_out);
4067 Colorize(ColorNormal, FALSE);
4068 curColor = ColorNormal;
4070 if (started == STARTED_BOARD) {
4071 started = STARTED_NONE;
4072 parse[parse_pos] = NULLCHAR;
4073 ParseBoard12(parse);
4076 /* Send premove here */
4077 if (appData.premove) {
4079 if (currentMove == 0 &&
4080 gameMode == IcsPlayingWhite &&
4081 appData.premoveWhite) {
4082 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4083 if (appData.debugMode)
4084 fprintf(debugFP, "Sending premove:\n");
4086 } else if (currentMove == 1 &&
4087 gameMode == IcsPlayingBlack &&
4088 appData.premoveBlack) {
4089 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4090 if (appData.debugMode)
4091 fprintf(debugFP, "Sending premove:\n");
4093 } else if (gotPremove) {
4095 ClearPremoveHighlights();
4096 if (appData.debugMode)
4097 fprintf(debugFP, "Sending premove:\n");
4098 UserMoveEvent(premoveFromX, premoveFromY,
4099 premoveToX, premoveToY,
4104 /* Usually suppress following prompt */
4105 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4106 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4107 if (looking_at(buf, &i, "*% ")) {
4108 savingComment = FALSE;
4113 } else if (started == STARTED_HOLDINGS) {
4115 char new_piece[MSG_SIZ];
4116 started = STARTED_NONE;
4117 parse[parse_pos] = NULLCHAR;
4118 if (appData.debugMode)
4119 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4120 parse, currentMove);
4121 if (sscanf(parse, " game %d", &gamenum) == 1) {
4122 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4123 if (gameInfo.variant == VariantNormal) {
4124 /* [HGM] We seem to switch variant during a game!
4125 * Presumably no holdings were displayed, so we have
4126 * to move the position two files to the right to
4127 * create room for them!
4129 VariantClass newVariant;
4130 switch(gameInfo.boardWidth) { // base guess on board width
4131 case 9: newVariant = VariantShogi; break;
4132 case 10: newVariant = VariantGreat; break;
4133 default: newVariant = VariantCrazyhouse; break;
4135 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4136 /* Get a move list just to see the header, which
4137 will tell us whether this is really bug or zh */
4138 if (ics_getting_history == H_FALSE) {
4139 ics_getting_history = H_REQUESTED;
4140 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4144 new_piece[0] = NULLCHAR;
4145 sscanf(parse, "game %d white [%s black [%s <- %s",
4146 &gamenum, white_holding, black_holding,
4148 white_holding[strlen(white_holding)-1] = NULLCHAR;
4149 black_holding[strlen(black_holding)-1] = NULLCHAR;
4150 /* [HGM] copy holdings to board holdings area */
4151 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4152 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4153 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4155 if (appData.zippyPlay && first.initDone) {
4156 ZippyHoldings(white_holding, black_holding,
4160 if (tinyLayout || smallLayout) {
4161 char wh[16], bh[16];
4162 PackHolding(wh, white_holding);
4163 PackHolding(bh, black_holding);
4164 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4165 gameInfo.white, gameInfo.black);
4167 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4168 gameInfo.white, white_holding, _("vs."),
4169 gameInfo.black, black_holding);
4171 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4172 DrawPosition(FALSE, boards[currentMove]);
4174 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4175 sscanf(parse, "game %d white [%s black [%s <- %s",
4176 &gamenum, white_holding, black_holding,
4178 white_holding[strlen(white_holding)-1] = NULLCHAR;
4179 black_holding[strlen(black_holding)-1] = NULLCHAR;
4180 /* [HGM] copy holdings to partner-board holdings area */
4181 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4182 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4183 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4184 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4185 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4188 /* Suppress following prompt */
4189 if (looking_at(buf, &i, "*% ")) {
4190 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4191 savingComment = FALSE;
4199 i++; /* skip unparsed character and loop back */
4202 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4203 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4204 // SendToPlayer(&buf[next_out], i - next_out);
4205 started != STARTED_HOLDINGS && leftover_start > next_out) {
4206 SendToPlayer(&buf[next_out], leftover_start - next_out);
4210 leftover_len = buf_len - leftover_start;
4211 /* if buffer ends with something we couldn't parse,
4212 reparse it after appending the next read */
4214 } else if (count == 0) {
4215 RemoveInputSource(isr);
4216 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4218 DisplayFatalError(_("Error reading from ICS"), error, 1);
4223 /* Board style 12 looks like this:
4225 <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
4227 * The "<12> " is stripped before it gets to this routine. The two
4228 * trailing 0's (flip state and clock ticking) are later addition, and
4229 * some chess servers may not have them, or may have only the first.
4230 * Additional trailing fields may be added in the future.
4233 #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"
4235 #define RELATION_OBSERVING_PLAYED 0
4236 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4237 #define RELATION_PLAYING_MYMOVE 1
4238 #define RELATION_PLAYING_NOTMYMOVE -1
4239 #define RELATION_EXAMINING 2
4240 #define RELATION_ISOLATED_BOARD -3
4241 #define RELATION_STARTING_POSITION -4 /* FICS only */
4244 ParseBoard12 (char *string)
4248 char *bookHit = NULL; // [HGM] book
4250 GameMode newGameMode;
4251 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4252 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4253 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4254 char to_play, board_chars[200];
4255 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4256 char black[32], white[32];
4258 int prevMove = currentMove;
4261 int fromX, fromY, toX, toY;
4263 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4264 Boolean weird = FALSE, reqFlag = FALSE;
4266 fromX = fromY = toX = toY = -1;
4270 if (appData.debugMode)
4271 fprintf(debugFP, "Parsing board: %s\n", string);
4273 move_str[0] = NULLCHAR;
4274 elapsed_time[0] = NULLCHAR;
4275 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4277 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4278 if(string[i] == ' ') { ranks++; files = 0; }
4280 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4283 for(j = 0; j <i; j++) board_chars[j] = string[j];
4284 board_chars[i] = '\0';
4287 n = sscanf(string, PATTERN, &to_play, &double_push,
4288 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4289 &gamenum, white, black, &relation, &basetime, &increment,
4290 &white_stren, &black_stren, &white_time, &black_time,
4291 &moveNum, str, elapsed_time, move_str, &ics_flip,
4295 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4296 DisplayError(str, 0);
4300 /* Convert the move number to internal form */
4301 moveNum = (moveNum - 1) * 2;
4302 if (to_play == 'B') moveNum++;
4303 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4304 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4310 case RELATION_OBSERVING_PLAYED:
4311 case RELATION_OBSERVING_STATIC:
4312 if (gamenum == -1) {
4313 /* Old ICC buglet */
4314 relation = RELATION_OBSERVING_STATIC;
4316 newGameMode = IcsObserving;
4318 case RELATION_PLAYING_MYMOVE:
4319 case RELATION_PLAYING_NOTMYMOVE:
4321 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4322 IcsPlayingWhite : IcsPlayingBlack;
4323 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4325 case RELATION_EXAMINING:
4326 newGameMode = IcsExamining;
4328 case RELATION_ISOLATED_BOARD:
4330 /* Just display this board. If user was doing something else,
4331 we will forget about it until the next board comes. */
4332 newGameMode = IcsIdle;
4334 case RELATION_STARTING_POSITION:
4335 newGameMode = gameMode;
4339 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4340 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4341 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4342 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4343 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4344 static int lastBgGame = -1;
4346 for (k = 0; k < ranks; k++) {
4347 for (j = 0; j < files; j++)
4348 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4349 if(gameInfo.holdingsWidth > 1) {
4350 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4351 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4354 CopyBoard(partnerBoard, board);
4355 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4356 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4357 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4358 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4359 if(toSqr = strchr(str, '-')) {
4360 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4361 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4362 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4363 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4364 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4365 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4367 DisplayWhiteClock(white_time*fac, to_play == 'W');
4368 DisplayBlackClock(black_time*fac, to_play != 'W');
4369 activePartner = to_play;
4370 if(gamenum != lastBgGame) {
4372 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4375 lastBgGame = gamenum;
4376 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4377 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4378 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4379 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4380 if(!twoBoards) DisplayMessage(partnerStatus, "");
4381 partnerBoardValid = TRUE;
4385 if(appData.dualBoard && appData.bgObserve) {
4386 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4387 SendToICS(ics_prefix), SendToICS("pobserve\n");
4388 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4390 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4395 /* Modify behavior for initial board display on move listing
4398 switch (ics_getting_history) {
4402 case H_GOT_REQ_HEADER:
4403 case H_GOT_UNREQ_HEADER:
4404 /* This is the initial position of the current game */
4405 gamenum = ics_gamenum;
4406 moveNum = 0; /* old ICS bug workaround */
4407 if (to_play == 'B') {
4408 startedFromSetupPosition = TRUE;
4409 blackPlaysFirst = TRUE;
4411 if (forwardMostMove == 0) forwardMostMove = 1;
4412 if (backwardMostMove == 0) backwardMostMove = 1;
4413 if (currentMove == 0) currentMove = 1;
4415 newGameMode = gameMode;
4416 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4418 case H_GOT_UNWANTED_HEADER:
4419 /* This is an initial board that we don't want */
4421 case H_GETTING_MOVES:
4422 /* Should not happen */
4423 DisplayError(_("Error gathering move list: extra board"), 0);
4424 ics_getting_history = H_FALSE;
4428 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4429 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4430 weird && (int)gameInfo.variant < (int)VariantShogi) {
4431 /* [HGM] We seem to have switched variant unexpectedly
4432 * Try to guess new variant from board size
4434 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4435 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4436 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4437 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4438 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4439 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4440 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4441 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4442 /* Get a move list just to see the header, which
4443 will tell us whether this is really bug or zh */
4444 if (ics_getting_history == H_FALSE) {
4445 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4446 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4451 /* Take action if this is the first board of a new game, or of a
4452 different game than is currently being displayed. */
4453 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4454 relation == RELATION_ISOLATED_BOARD) {
4456 /* Forget the old game and get the history (if any) of the new one */
4457 if (gameMode != BeginningOfGame) {
4461 if (appData.autoRaiseBoard) BoardToTop();
4463 if (gamenum == -1) {
4464 newGameMode = IcsIdle;
4465 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4466 appData.getMoveList && !reqFlag) {
4467 /* Need to get game history */
4468 ics_getting_history = H_REQUESTED;
4469 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4473 /* Initially flip the board to have black on the bottom if playing
4474 black or if the ICS flip flag is set, but let the user change
4475 it with the Flip View button. */
4476 flipView = appData.autoFlipView ?
4477 (newGameMode == IcsPlayingBlack) || ics_flip :
4480 /* Done with values from previous mode; copy in new ones */
4481 gameMode = newGameMode;
4483 ics_gamenum = gamenum;
4484 if (gamenum == gs_gamenum) {
4485 int klen = strlen(gs_kind);
4486 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4487 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4488 gameInfo.event = StrSave(str);
4490 gameInfo.event = StrSave("ICS game");
4492 gameInfo.site = StrSave(appData.icsHost);
4493 gameInfo.date = PGNDate();
4494 gameInfo.round = StrSave("-");
4495 gameInfo.white = StrSave(white);
4496 gameInfo.black = StrSave(black);
4497 timeControl = basetime * 60 * 1000;
4499 timeIncrement = increment * 1000;
4500 movesPerSession = 0;
4501 gameInfo.timeControl = TimeControlTagValue();
4502 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4503 if (appData.debugMode) {
4504 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4505 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4506 setbuf(debugFP, NULL);
4509 gameInfo.outOfBook = NULL;
4511 /* Do we have the ratings? */
4512 if (strcmp(player1Name, white) == 0 &&
4513 strcmp(player2Name, black) == 0) {
4514 if (appData.debugMode)
4515 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4516 player1Rating, player2Rating);
4517 gameInfo.whiteRating = player1Rating;
4518 gameInfo.blackRating = player2Rating;
4519 } else if (strcmp(player2Name, white) == 0 &&
4520 strcmp(player1Name, black) == 0) {
4521 if (appData.debugMode)
4522 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4523 player2Rating, player1Rating);
4524 gameInfo.whiteRating = player2Rating;
4525 gameInfo.blackRating = player1Rating;
4527 player1Name[0] = player2Name[0] = NULLCHAR;
4529 /* Silence shouts if requested */
4530 if (appData.quietPlay &&
4531 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4532 SendToICS(ics_prefix);
4533 SendToICS("set shout 0\n");
4537 /* Deal with midgame name changes */
4539 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4540 if (gameInfo.white) free(gameInfo.white);
4541 gameInfo.white = StrSave(white);
4543 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4544 if (gameInfo.black) free(gameInfo.black);
4545 gameInfo.black = StrSave(black);
4549 /* Throw away game result if anything actually changes in examine mode */
4550 if (gameMode == IcsExamining && !newGame) {
4551 gameInfo.result = GameUnfinished;
4552 if (gameInfo.resultDetails != NULL) {
4553 free(gameInfo.resultDetails);
4554 gameInfo.resultDetails = NULL;
4558 /* In pausing && IcsExamining mode, we ignore boards coming
4559 in if they are in a different variation than we are. */
4560 if (pauseExamInvalid) return;
4561 if (pausing && gameMode == IcsExamining) {
4562 if (moveNum <= pauseExamForwardMostMove) {
4563 pauseExamInvalid = TRUE;
4564 forwardMostMove = pauseExamForwardMostMove;
4569 if (appData.debugMode) {
4570 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4572 /* Parse the board */
4573 for (k = 0; k < ranks; k++) {
4574 for (j = 0; j < files; j++)
4575 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4576 if(gameInfo.holdingsWidth > 1) {
4577 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4578 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4581 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4582 board[5][BOARD_RGHT+1] = WhiteAngel;
4583 board[6][BOARD_RGHT+1] = WhiteMarshall;
4584 board[1][0] = BlackMarshall;
4585 board[2][0] = BlackAngel;
4586 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4588 CopyBoard(boards[moveNum], board);
4589 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4591 startedFromSetupPosition =
4592 !CompareBoards(board, initialPosition);
4593 if(startedFromSetupPosition)
4594 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4597 /* [HGM] Set castling rights. Take the outermost Rooks,
4598 to make it also work for FRC opening positions. Note that board12
4599 is really defective for later FRC positions, as it has no way to
4600 indicate which Rook can castle if they are on the same side of King.
4601 For the initial position we grant rights to the outermost Rooks,
4602 and remember thos rights, and we then copy them on positions
4603 later in an FRC game. This means WB might not recognize castlings with
4604 Rooks that have moved back to their original position as illegal,
4605 but in ICS mode that is not its job anyway.
4607 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4608 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4610 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4611 if(board[0][i] == WhiteRook) j = i;
4612 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4613 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4614 if(board[0][i] == WhiteRook) j = i;
4615 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4616 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4617 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4618 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4619 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4620 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4621 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4623 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4624 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4625 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4626 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4627 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4628 if(board[BOARD_HEIGHT-1][k] == bKing)
4629 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4630 if(gameInfo.variant == VariantTwoKings) {
4631 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4632 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4633 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4636 r = boards[moveNum][CASTLING][0] = initialRights[0];
4637 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4638 r = boards[moveNum][CASTLING][1] = initialRights[1];
4639 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4640 r = boards[moveNum][CASTLING][3] = initialRights[3];
4641 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4642 r = boards[moveNum][CASTLING][4] = initialRights[4];
4643 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4644 /* wildcastle kludge: always assume King has rights */
4645 r = boards[moveNum][CASTLING][2] = initialRights[2];
4646 r = boards[moveNum][CASTLING][5] = initialRights[5];
4648 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4649 boards[moveNum][EP_STATUS] = EP_NONE;
4650 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4651 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4652 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4655 if (ics_getting_history == H_GOT_REQ_HEADER ||
4656 ics_getting_history == H_GOT_UNREQ_HEADER) {
4657 /* This was an initial position from a move list, not
4658 the current position */
4662 /* Update currentMove and known move number limits */
4663 newMove = newGame || moveNum > forwardMostMove;
4666 forwardMostMove = backwardMostMove = currentMove = moveNum;
4667 if (gameMode == IcsExamining && moveNum == 0) {
4668 /* Workaround for ICS limitation: we are not told the wild
4669 type when starting to examine a game. But if we ask for
4670 the move list, the move list header will tell us */
4671 ics_getting_history = H_REQUESTED;
4672 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4675 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4676 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4678 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4679 /* [HGM] applied this also to an engine that is silently watching */
4680 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4681 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4682 gameInfo.variant == currentlyInitializedVariant) {
4683 takeback = forwardMostMove - moveNum;
4684 for (i = 0; i < takeback; i++) {
4685 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4686 SendToProgram("undo\n", &first);
4691 forwardMostMove = moveNum;
4692 if (!pausing || currentMove > forwardMostMove)
4693 currentMove = forwardMostMove;
4695 /* New part of history that is not contiguous with old part */
4696 if (pausing && gameMode == IcsExamining) {
4697 pauseExamInvalid = TRUE;
4698 forwardMostMove = pauseExamForwardMostMove;
4701 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4703 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4704 // [HGM] when we will receive the move list we now request, it will be
4705 // fed to the engine from the first move on. So if the engine is not
4706 // in the initial position now, bring it there.
4707 InitChessProgram(&first, 0);
4710 ics_getting_history = H_REQUESTED;
4711 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4714 forwardMostMove = backwardMostMove = currentMove = moveNum;
4717 /* Update the clocks */
4718 if (strchr(elapsed_time, '.')) {
4720 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4721 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4723 /* Time is in seconds */
4724 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4725 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4730 if (appData.zippyPlay && newGame &&
4731 gameMode != IcsObserving && gameMode != IcsIdle &&
4732 gameMode != IcsExamining)
4733 ZippyFirstBoard(moveNum, basetime, increment);
4736 /* Put the move on the move list, first converting
4737 to canonical algebraic form. */
4739 if (appData.debugMode) {
4740 int f = forwardMostMove;
4741 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4742 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4743 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4744 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4745 fprintf(debugFP, "moveNum = %d\n", moveNum);
4746 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4747 setbuf(debugFP, NULL);
4749 if (moveNum <= backwardMostMove) {
4750 /* We don't know what the board looked like before
4752 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4753 strcat(parseList[moveNum - 1], " ");
4754 strcat(parseList[moveNum - 1], elapsed_time);
4755 moveList[moveNum - 1][0] = NULLCHAR;
4756 } else if (strcmp(move_str, "none") == 0) {
4757 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4758 /* Again, we don't know what the board looked like;
4759 this is really the start of the game. */
4760 parseList[moveNum - 1][0] = NULLCHAR;
4761 moveList[moveNum - 1][0] = NULLCHAR;
4762 backwardMostMove = moveNum;
4763 startedFromSetupPosition = TRUE;
4764 fromX = fromY = toX = toY = -1;
4766 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4767 // So we parse the long-algebraic move string in stead of the SAN move
4768 int valid; char buf[MSG_SIZ], *prom;
4770 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4771 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4772 // str looks something like "Q/a1-a2"; kill the slash
4774 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4775 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4776 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4777 strcat(buf, prom); // long move lacks promo specification!
4778 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4779 if(appData.debugMode)
4780 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4781 safeStrCpy(move_str, buf, MSG_SIZ);
4783 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4784 &fromX, &fromY, &toX, &toY, &promoChar)
4785 || ParseOneMove(buf, moveNum - 1, &moveType,
4786 &fromX, &fromY, &toX, &toY, &promoChar);
4787 // end of long SAN patch
4789 (void) CoordsToAlgebraic(boards[moveNum - 1],
4790 PosFlags(moveNum - 1),
4791 fromY, fromX, toY, toX, promoChar,
4792 parseList[moveNum-1]);
4793 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4799 if(gameInfo.variant != VariantShogi)
4800 strcat(parseList[moveNum - 1], "+");
4803 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4804 strcat(parseList[moveNum - 1], "#");
4807 strcat(parseList[moveNum - 1], " ");
4808 strcat(parseList[moveNum - 1], elapsed_time);
4809 /* currentMoveString is set as a side-effect of ParseOneMove */
4810 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4811 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4812 strcat(moveList[moveNum - 1], "\n");
4814 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4815 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4816 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4817 ChessSquare old, new = boards[moveNum][k][j];
4818 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4819 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4820 if(old == new) continue;
4821 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4822 else if(new == WhiteWazir || new == BlackWazir) {
4823 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4824 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4825 else boards[moveNum][k][j] = old; // preserve type of Gold
4826 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4827 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4830 /* Move from ICS was illegal!? Punt. */
4831 if (appData.debugMode) {
4832 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4833 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4835 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4836 strcat(parseList[moveNum - 1], " ");
4837 strcat(parseList[moveNum - 1], elapsed_time);
4838 moveList[moveNum - 1][0] = NULLCHAR;
4839 fromX = fromY = toX = toY = -1;
4842 if (appData.debugMode) {
4843 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4844 setbuf(debugFP, NULL);
4848 /* Send move to chess program (BEFORE animating it). */
4849 if (appData.zippyPlay && !newGame && newMove &&
4850 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4852 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4853 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4854 if (moveList[moveNum - 1][0] == NULLCHAR) {
4855 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4857 DisplayError(str, 0);
4859 if (first.sendTime) {
4860 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4862 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4863 if (firstMove && !bookHit) {
4865 if (first.useColors) {
4866 SendToProgram(gameMode == IcsPlayingWhite ?
4868 "black\ngo\n", &first);
4870 SendToProgram("go\n", &first);
4872 first.maybeThinking = TRUE;
4875 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4876 if (moveList[moveNum - 1][0] == NULLCHAR) {
4877 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4878 DisplayError(str, 0);
4880 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4881 SendMoveToProgram(moveNum - 1, &first);
4888 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4889 /* If move comes from a remote source, animate it. If it
4890 isn't remote, it will have already been animated. */
4891 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4892 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4894 if (!pausing && appData.highlightLastMove) {
4895 SetHighlights(fromX, fromY, toX, toY);
4899 /* Start the clocks */
4900 whiteFlag = blackFlag = FALSE;
4901 appData.clockMode = !(basetime == 0 && increment == 0);
4903 ics_clock_paused = TRUE;
4905 } else if (ticking == 1) {
4906 ics_clock_paused = FALSE;
4908 if (gameMode == IcsIdle ||
4909 relation == RELATION_OBSERVING_STATIC ||
4910 relation == RELATION_EXAMINING ||
4912 DisplayBothClocks();
4916 /* Display opponents and material strengths */
4917 if (gameInfo.variant != VariantBughouse &&
4918 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4919 if (tinyLayout || smallLayout) {
4920 if(gameInfo.variant == VariantNormal)
4921 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4922 gameInfo.white, white_stren, gameInfo.black, black_stren,
4923 basetime, increment);
4925 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4926 gameInfo.white, white_stren, gameInfo.black, black_stren,
4927 basetime, increment, (int) gameInfo.variant);
4929 if(gameInfo.variant == VariantNormal)
4930 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4931 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4932 basetime, increment);
4934 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4935 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4936 basetime, increment, VariantName(gameInfo.variant));
4939 if (appData.debugMode) {
4940 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4945 /* Display the board */
4946 if (!pausing && !appData.noGUI) {
4948 if (appData.premove)
4950 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4951 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4952 ClearPremoveHighlights();
4954 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4955 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4956 DrawPosition(j, boards[currentMove]);
4958 DisplayMove(moveNum - 1);
4959 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4960 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4961 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4962 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4966 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4968 if(bookHit) { // [HGM] book: simulate book reply
4969 static char bookMove[MSG_SIZ]; // a bit generous?
4971 programStats.nodes = programStats.depth = programStats.time =
4972 programStats.score = programStats.got_only_move = 0;
4973 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4975 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4976 strcat(bookMove, bookHit);
4977 HandleMachineMove(bookMove, &first);
4986 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4987 ics_getting_history = H_REQUESTED;
4988 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4994 SendToBoth (char *msg)
4995 { // to make it easy to keep two engines in step in dual analysis
4996 SendToProgram(msg, &first);
4997 if(second.analyzing) SendToProgram(msg, &second);
5001 AnalysisPeriodicEvent (int force)
5003 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5004 && !force) || !appData.periodicUpdates)
5007 /* Send . command to Crafty to collect stats */
5010 /* Don't send another until we get a response (this makes
5011 us stop sending to old Crafty's which don't understand
5012 the "." command (sending illegal cmds resets node count & time,
5013 which looks bad)) */
5014 programStats.ok_to_send = 0;
5018 ics_update_width (int new_width)
5020 ics_printf("set width %d\n", new_width);
5024 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5028 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5029 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5030 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5031 SendToProgram(buf, cps);
5034 // null move in variant where engine does not understand it (for analysis purposes)
5035 SendBoard(cps, moveNum + 1); // send position after move in stead.
5038 if (cps->useUsermove) {
5039 SendToProgram("usermove ", cps);
5043 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5044 int len = space - parseList[moveNum];
5045 memcpy(buf, parseList[moveNum], len);
5047 buf[len] = NULLCHAR;
5049 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5051 SendToProgram(buf, cps);
5053 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5054 AlphaRank(moveList[moveNum], 4);
5055 SendToProgram(moveList[moveNum], cps);
5056 AlphaRank(moveList[moveNum], 4); // and back
5058 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5059 * the engine. It would be nice to have a better way to identify castle
5061 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5062 && cps->useOOCastle) {
5063 int fromX = moveList[moveNum][0] - AAA;
5064 int fromY = moveList[moveNum][1] - ONE;
5065 int toX = moveList[moveNum][2] - AAA;
5066 int toY = moveList[moveNum][3] - ONE;
5067 if((boards[moveNum][fromY][fromX] == WhiteKing
5068 && boards[moveNum][toY][toX] == WhiteRook)
5069 || (boards[moveNum][fromY][fromX] == BlackKing
5070 && boards[moveNum][toY][toX] == BlackRook)) {
5071 if(toX > fromX) SendToProgram("O-O\n", cps);
5072 else SendToProgram("O-O-O\n", cps);
5074 else SendToProgram(moveList[moveNum], cps);
5076 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5077 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5078 moveList[moveNum][5], moveList[moveNum][6] - '0',
5079 moveList[moveNum][5], moveList[moveNum][6] - '0',
5080 moveList[moveNum][2], moveList[moveNum][3] - '0');
5081 SendToProgram(buf, cps);
5083 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5084 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5085 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5086 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5087 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5089 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5090 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5091 SendToProgram(buf, cps);
5093 else SendToProgram(moveList[moveNum], cps);
5094 /* End of additions by Tord */
5097 /* [HGM] setting up the opening has brought engine in force mode! */
5098 /* Send 'go' if we are in a mode where machine should play. */
5099 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5100 (gameMode == TwoMachinesPlay ||
5102 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5104 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5105 SendToProgram("go\n", cps);
5106 if (appData.debugMode) {
5107 fprintf(debugFP, "(extra)\n");
5110 setboardSpoiledMachineBlack = 0;
5114 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5116 char user_move[MSG_SIZ];
5119 if(gameInfo.variant == VariantSChess && promoChar) {
5120 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5121 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5122 } else suffix[0] = NULLCHAR;
5126 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5127 (int)moveType, fromX, fromY, toX, toY);
5128 DisplayError(user_move + strlen("say "), 0);
5130 case WhiteKingSideCastle:
5131 case BlackKingSideCastle:
5132 case WhiteQueenSideCastleWild:
5133 case BlackQueenSideCastleWild:
5135 case WhiteHSideCastleFR:
5136 case BlackHSideCastleFR:
5138 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5140 case WhiteQueenSideCastle:
5141 case BlackQueenSideCastle:
5142 case WhiteKingSideCastleWild:
5143 case BlackKingSideCastleWild:
5145 case WhiteASideCastleFR:
5146 case BlackASideCastleFR:
5148 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5150 case WhiteNonPromotion:
5151 case BlackNonPromotion:
5152 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5154 case WhitePromotion:
5155 case BlackPromotion:
5156 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5157 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5158 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5159 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5160 PieceToChar(WhiteFerz));
5161 else if(gameInfo.variant == VariantGreat)
5162 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5163 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5164 PieceToChar(WhiteMan));
5166 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5167 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5173 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5174 ToUpper(PieceToChar((ChessSquare) fromX)),
5175 AAA + toX, ONE + toY);
5177 case IllegalMove: /* could be a variant we don't quite understand */
5178 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5180 case WhiteCapturesEnPassant:
5181 case BlackCapturesEnPassant:
5182 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5183 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5186 SendToICS(user_move);
5187 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5188 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5193 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5194 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5195 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5196 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5197 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5200 if(gameMode != IcsExamining) { // is this ever not the case?
5201 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5203 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5204 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5205 } else { // on FICS we must first go to general examine mode
5206 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5208 if(gameInfo.variant != VariantNormal) {
5209 // try figure out wild number, as xboard names are not always valid on ICS
5210 for(i=1; i<=36; i++) {
5211 snprintf(buf, MSG_SIZ, "wild/%d", i);
5212 if(StringToVariant(buf) == gameInfo.variant) break;
5214 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5215 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5216 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5217 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5218 SendToICS(ics_prefix);
5220 if(startedFromSetupPosition || backwardMostMove != 0) {
5221 fen = PositionToFEN(backwardMostMove, NULL, 1);
5222 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5223 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5225 } else { // FICS: everything has to set by separate bsetup commands
5226 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5227 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5229 if(!WhiteOnMove(backwardMostMove)) {
5230 SendToICS("bsetup tomove black\n");
5232 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5233 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5235 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5236 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5238 i = boards[backwardMostMove][EP_STATUS];
5239 if(i >= 0) { // set e.p.
5240 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5246 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5247 SendToICS("bsetup done\n"); // switch to normal examining.
5249 for(i = backwardMostMove; i<last; i++) {
5251 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5252 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5253 int len = strlen(moveList[i]);
5254 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5255 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5259 SendToICS(ics_prefix);
5260 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5263 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5266 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5268 if (rf == DROP_RANK) {
5269 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5270 sprintf(move, "%c@%c%c\n",
5271 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5273 if (promoChar == 'x' || promoChar == NULLCHAR) {
5274 sprintf(move, "%c%c%c%c\n",
5275 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5276 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5278 sprintf(move, "%c%c%c%c%c\n",
5279 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5285 ProcessICSInitScript (FILE *f)
5289 while (fgets(buf, MSG_SIZ, f)) {
5290 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5297 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5299 static ClickType lastClickType;
5302 Partner (ChessSquare *p)
5303 { // change piece into promotion partner if one shogi-promotes to the other
5304 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5305 ChessSquare partner;
5306 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5307 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5315 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5316 static int toggleFlag;
5317 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5318 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5319 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5320 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5321 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5322 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5324 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5325 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5326 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5327 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5328 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5329 if(!step) step = -1;
5330 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5331 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5332 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5333 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5335 int victim = boards[currentMove][toY][toX];
5336 boards[currentMove][toY][toX] = promoSweep;
5337 DrawPosition(FALSE, boards[currentMove]);
5338 boards[currentMove][toY][toX] = victim;
5340 ChangeDragPiece(promoSweep);
5344 PromoScroll (int x, int y)
5348 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5349 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5350 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5351 if(!step) return FALSE;
5352 lastX = x; lastY = y;
5353 if((promoSweep < BlackPawn) == flipView) step = -step;
5354 if(step > 0) selectFlag = 1;
5355 if(!selectFlag) Sweep(step);
5360 NextPiece (int step)
5362 ChessSquare piece = boards[currentMove][toY][toX];
5365 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5366 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5367 if(!step) step = -1;
5368 } while(PieceToChar(pieceSweep) == '.');
5369 boards[currentMove][toY][toX] = pieceSweep;
5370 DrawPosition(FALSE, boards[currentMove]);
5371 boards[currentMove][toY][toX] = piece;
5373 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5375 AlphaRank (char *move, int n)
5377 // char *p = move, c; int x, y;
5379 if (appData.debugMode) {
5380 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5384 move[2]>='0' && move[2]<='9' &&
5385 move[3]>='a' && move[3]<='x' ) {
5387 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5388 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5390 if(move[0]>='0' && move[0]<='9' &&
5391 move[1]>='a' && move[1]<='x' &&
5392 move[2]>='0' && move[2]<='9' &&
5393 move[3]>='a' && move[3]<='x' ) {
5394 /* input move, Shogi -> normal */
5395 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5396 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5397 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5398 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5401 move[3]>='0' && move[3]<='9' &&
5402 move[2]>='a' && move[2]<='x' ) {
5404 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5405 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5408 move[0]>='a' && move[0]<='x' &&
5409 move[3]>='0' && move[3]<='9' &&
5410 move[2]>='a' && move[2]<='x' ) {
5411 /* output move, normal -> Shogi */
5412 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5413 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5414 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5415 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5416 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5418 if (appData.debugMode) {
5419 fprintf(debugFP, " out = '%s'\n", move);
5423 char yy_textstr[8000];
5425 /* Parser for moves from gnuchess, ICS, or user typein box */
5427 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5429 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5431 switch (*moveType) {
5432 case WhitePromotion:
5433 case BlackPromotion:
5434 case WhiteNonPromotion:
5435 case BlackNonPromotion:
5438 case WhiteCapturesEnPassant:
5439 case BlackCapturesEnPassant:
5440 case WhiteKingSideCastle:
5441 case WhiteQueenSideCastle:
5442 case BlackKingSideCastle:
5443 case BlackQueenSideCastle:
5444 case WhiteKingSideCastleWild:
5445 case WhiteQueenSideCastleWild:
5446 case BlackKingSideCastleWild:
5447 case BlackQueenSideCastleWild:
5448 /* Code added by Tord: */
5449 case WhiteHSideCastleFR:
5450 case WhiteASideCastleFR:
5451 case BlackHSideCastleFR:
5452 case BlackASideCastleFR:
5453 /* End of code added by Tord */
5454 case IllegalMove: /* bug or odd chess variant */
5455 *fromX = currentMoveString[0] - AAA;
5456 *fromY = currentMoveString[1] - ONE;
5457 *toX = currentMoveString[2] - AAA;
5458 *toY = currentMoveString[3] - ONE;
5459 *promoChar = currentMoveString[4];
5460 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5461 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5462 if (appData.debugMode) {
5463 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5465 *fromX = *fromY = *toX = *toY = 0;
5468 if (appData.testLegality) {
5469 return (*moveType != IllegalMove);
5471 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5472 // [HGM] lion: if this is a double move we are less critical
5473 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5478 *fromX = *moveType == WhiteDrop ?
5479 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5480 (int) CharToPiece(ToLower(currentMoveString[0]));
5482 *toX = currentMoveString[2] - AAA;
5483 *toY = currentMoveString[3] - ONE;
5484 *promoChar = NULLCHAR;
5488 case ImpossibleMove:
5498 if (appData.debugMode) {
5499 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5502 *fromX = *fromY = *toX = *toY = 0;
5503 *promoChar = NULLCHAR;
5508 Boolean pushed = FALSE;
5509 char *lastParseAttempt;
5512 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5513 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5514 int fromX, fromY, toX, toY; char promoChar;
5519 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5520 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5521 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5524 endPV = forwardMostMove;
5526 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5527 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5528 lastParseAttempt = pv;
5529 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5530 if(!valid && nr == 0 &&
5531 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5532 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5533 // Hande case where played move is different from leading PV move
5534 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5535 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5536 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5537 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5538 endPV += 2; // if position different, keep this
5539 moveList[endPV-1][0] = fromX + AAA;
5540 moveList[endPV-1][1] = fromY + ONE;
5541 moveList[endPV-1][2] = toX + AAA;
5542 moveList[endPV-1][3] = toY + ONE;
5543 parseList[endPV-1][0] = NULLCHAR;
5544 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5547 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5548 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5549 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5550 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5551 valid++; // allow comments in PV
5555 if(endPV+1 > framePtr) break; // no space, truncate
5558 CopyBoard(boards[endPV], boards[endPV-1]);
5559 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5560 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5561 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5562 CoordsToAlgebraic(boards[endPV - 1],
5563 PosFlags(endPV - 1),
5564 fromY, fromX, toY, toX, promoChar,
5565 parseList[endPV - 1]);
5567 if(atEnd == 2) return; // used hidden, for PV conversion
5568 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5569 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5570 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5571 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5572 DrawPosition(TRUE, boards[currentMove]);
5576 MultiPV (ChessProgramState *cps)
5577 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5579 for(i=0; i<cps->nrOptions; i++)
5580 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5585 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5588 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5590 int startPV, multi, lineStart, origIndex = index;
5591 char *p, buf2[MSG_SIZ];
5592 ChessProgramState *cps = (pane ? &second : &first);
5594 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5595 lastX = x; lastY = y;
5596 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5597 lineStart = startPV = index;
5598 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5599 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5601 do{ while(buf[index] && buf[index] != '\n') index++;
5602 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5604 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5605 int n = cps->option[multi].value;
5606 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5607 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5608 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5609 cps->option[multi].value = n;
5612 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5613 ExcludeClick(origIndex - lineStart);
5616 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5617 *start = startPV; *end = index-1;
5618 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5625 static char buf[10*MSG_SIZ];
5626 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5628 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5629 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5630 for(i = forwardMostMove; i<endPV; i++){
5631 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5632 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5635 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5636 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5637 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5643 LoadPV (int x, int y)
5644 { // called on right mouse click to load PV
5645 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5646 lastX = x; lastY = y;
5647 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5655 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5656 if(endPV < 0) return;
5657 if(appData.autoCopyPV) CopyFENToClipboard();
5659 if(extendGame && currentMove > forwardMostMove) {
5660 Boolean saveAnimate = appData.animate;
5662 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5663 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5664 } else storedGames--; // abandon shelved tail of original game
5667 forwardMostMove = currentMove;
5668 currentMove = oldFMM;
5669 appData.animate = FALSE;
5670 ToNrEvent(forwardMostMove);
5671 appData.animate = saveAnimate;
5673 currentMove = forwardMostMove;
5674 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5675 ClearPremoveHighlights();
5676 DrawPosition(TRUE, boards[currentMove]);
5680 MovePV (int x, int y, int h)
5681 { // step through PV based on mouse coordinates (called on mouse move)
5682 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5684 // we must somehow check if right button is still down (might be released off board!)
5685 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5686 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5687 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5689 lastX = x; lastY = y;
5691 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5692 if(endPV < 0) return;
5693 if(y < margin) step = 1; else
5694 if(y > h - margin) step = -1;
5695 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5696 currentMove += step;
5697 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5698 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5699 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5700 DrawPosition(FALSE, boards[currentMove]);
5704 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5705 // All positions will have equal probability, but the current method will not provide a unique
5706 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5712 int piecesLeft[(int)BlackPawn];
5713 int seed, nrOfShuffles;
5716 GetPositionNumber ()
5717 { // sets global variable seed
5720 seed = appData.defaultFrcPosition;
5721 if(seed < 0) { // randomize based on time for negative FRC position numbers
5722 for(i=0; i<50; i++) seed += random();
5723 seed = random() ^ random() >> 8 ^ random() << 8;
5724 if(seed<0) seed = -seed;
5729 put (Board board, int pieceType, int rank, int n, int shade)
5730 // put the piece on the (n-1)-th empty squares of the given shade
5734 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5735 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5736 board[rank][i] = (ChessSquare) pieceType;
5737 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5739 piecesLeft[pieceType]--;
5748 AddOnePiece (Board board, int pieceType, int rank, int shade)
5749 // calculate where the next piece goes, (any empty square), and put it there
5753 i = seed % squaresLeft[shade];
5754 nrOfShuffles *= squaresLeft[shade];
5755 seed /= squaresLeft[shade];
5756 put(board, pieceType, rank, i, shade);
5760 AddTwoPieces (Board board, int pieceType, int rank)
5761 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5763 int i, n=squaresLeft[ANY], j=n-1, k;
5765 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5766 i = seed % k; // pick one
5769 while(i >= j) i -= j--;
5770 j = n - 1 - j; i += j;
5771 put(board, pieceType, rank, j, ANY);
5772 put(board, pieceType, rank, i, ANY);
5776 SetUpShuffle (Board board, int number)
5780 GetPositionNumber(); nrOfShuffles = 1;
5782 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5783 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5784 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5786 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5788 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5789 p = (int) board[0][i];
5790 if(p < (int) BlackPawn) piecesLeft[p] ++;
5791 board[0][i] = EmptySquare;
5794 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5795 // shuffles restricted to allow normal castling put KRR first
5796 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5797 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5798 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5799 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5800 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5801 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5802 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5803 put(board, WhiteRook, 0, 0, ANY);
5804 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5807 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5808 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5809 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5810 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5811 while(piecesLeft[p] >= 2) {
5812 AddOnePiece(board, p, 0, LITE);
5813 AddOnePiece(board, p, 0, DARK);
5815 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5818 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5819 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5820 // but we leave King and Rooks for last, to possibly obey FRC restriction
5821 if(p == (int)WhiteRook) continue;
5822 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5823 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5826 // now everything is placed, except perhaps King (Unicorn) and Rooks
5828 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5829 // Last King gets castling rights
5830 while(piecesLeft[(int)WhiteUnicorn]) {
5831 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5832 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5835 while(piecesLeft[(int)WhiteKing]) {
5836 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5837 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5842 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5843 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5846 // Only Rooks can be left; simply place them all
5847 while(piecesLeft[(int)WhiteRook]) {
5848 i = put(board, WhiteRook, 0, 0, ANY);
5849 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5852 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5854 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5857 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5858 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5861 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5865 SetCharTable (char *table, const char * map)
5866 /* [HGM] moved here from winboard.c because of its general usefulness */
5867 /* Basically a safe strcpy that uses the last character as King */
5869 int result = FALSE; int NrPieces;
5871 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5872 && NrPieces >= 12 && !(NrPieces&1)) {
5873 int i; /* [HGM] Accept even length from 12 to 34 */
5875 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5876 for( i=0; i<NrPieces/2-1; i++ ) {
5878 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5880 table[(int) WhiteKing] = map[NrPieces/2-1];
5881 table[(int) BlackKing] = map[NrPieces-1];
5890 Prelude (Board board)
5891 { // [HGM] superchess: random selection of exo-pieces
5892 int i, j, k; ChessSquare p;
5893 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5895 GetPositionNumber(); // use FRC position number
5897 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5898 SetCharTable(pieceToChar, appData.pieceToCharTable);
5899 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5900 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5903 j = seed%4; seed /= 4;
5904 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5905 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5906 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5907 j = seed%3 + (seed%3 >= j); seed /= 3;
5908 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5909 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5910 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5911 j = seed%3; seed /= 3;
5912 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5913 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5914 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5915 j = seed%2 + (seed%2 >= j); seed /= 2;
5916 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5917 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5918 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5919 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5920 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5921 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5922 put(board, exoPieces[0], 0, 0, ANY);
5923 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5927 InitPosition (int redraw)
5929 ChessSquare (* pieces)[BOARD_FILES];
5930 int i, j, pawnRow=1, pieceRows=1, overrule,
5931 oldx = gameInfo.boardWidth,
5932 oldy = gameInfo.boardHeight,
5933 oldh = gameInfo.holdingsWidth;
5936 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5938 /* [AS] Initialize pv info list [HGM] and game status */
5940 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5941 pvInfoList[i].depth = 0;
5942 boards[i][EP_STATUS] = EP_NONE;
5943 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5946 initialRulePlies = 0; /* 50-move counter start */
5948 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5949 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5953 /* [HGM] logic here is completely changed. In stead of full positions */
5954 /* the initialized data only consist of the two backranks. The switch */
5955 /* selects which one we will use, which is than copied to the Board */
5956 /* initialPosition, which for the rest is initialized by Pawns and */
5957 /* empty squares. This initial position is then copied to boards[0], */
5958 /* possibly after shuffling, so that it remains available. */
5960 gameInfo.holdingsWidth = 0; /* default board sizes */
5961 gameInfo.boardWidth = 8;
5962 gameInfo.boardHeight = 8;
5963 gameInfo.holdingsSize = 0;
5964 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5965 for(i=0; i<BOARD_FILES-2; i++)
5966 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5967 initialPosition[EP_STATUS] = EP_NONE;
5968 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5969 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5970 SetCharTable(pieceNickName, appData.pieceNickNames);
5971 else SetCharTable(pieceNickName, "............");
5974 switch (gameInfo.variant) {
5975 case VariantFischeRandom:
5976 shuffleOpenings = TRUE;
5979 case VariantShatranj:
5980 pieces = ShatranjArray;
5981 nrCastlingRights = 0;
5982 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5985 pieces = makrukArray;
5986 nrCastlingRights = 0;
5987 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5990 pieces = aseanArray;
5991 nrCastlingRights = 0;
5992 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5994 case VariantTwoKings:
5995 pieces = twoKingsArray;
5998 pieces = GrandArray;
5999 nrCastlingRights = 0;
6000 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6001 gameInfo.boardWidth = 10;
6002 gameInfo.boardHeight = 10;
6003 gameInfo.holdingsSize = 7;
6005 case VariantCapaRandom:
6006 shuffleOpenings = TRUE;
6007 case VariantCapablanca:
6008 pieces = CapablancaArray;
6009 gameInfo.boardWidth = 10;
6010 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6013 pieces = GothicArray;
6014 gameInfo.boardWidth = 10;
6015 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6018 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6019 gameInfo.holdingsSize = 7;
6020 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6023 pieces = JanusArray;
6024 gameInfo.boardWidth = 10;
6025 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6026 nrCastlingRights = 6;
6027 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6028 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6029 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6030 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6031 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6032 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6035 pieces = FalconArray;
6036 gameInfo.boardWidth = 10;
6037 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6039 case VariantXiangqi:
6040 pieces = XiangqiArray;
6041 gameInfo.boardWidth = 9;
6042 gameInfo.boardHeight = 10;
6043 nrCastlingRights = 0;
6044 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6047 pieces = ShogiArray;
6048 gameInfo.boardWidth = 9;
6049 gameInfo.boardHeight = 9;
6050 gameInfo.holdingsSize = 7;
6051 nrCastlingRights = 0;
6052 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6055 pieces = ChuArray; pieceRows = 3;
6056 gameInfo.boardWidth = 12;
6057 gameInfo.boardHeight = 12;
6058 nrCastlingRights = 0;
6059 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6060 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6062 case VariantCourier:
6063 pieces = CourierArray;
6064 gameInfo.boardWidth = 12;
6065 nrCastlingRights = 0;
6066 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6068 case VariantKnightmate:
6069 pieces = KnightmateArray;
6070 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6072 case VariantSpartan:
6073 pieces = SpartanArray;
6074 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6078 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6080 case VariantChuChess:
6081 pieces = ChuChessArray;
6082 gameInfo.boardWidth = 10;
6083 gameInfo.boardHeight = 10;
6084 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6087 pieces = fairyArray;
6088 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6091 pieces = GreatArray;
6092 gameInfo.boardWidth = 10;
6093 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6094 gameInfo.holdingsSize = 8;
6098 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6099 gameInfo.holdingsSize = 8;
6100 startedFromSetupPosition = TRUE;
6102 case VariantCrazyhouse:
6103 case VariantBughouse:
6105 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6106 gameInfo.holdingsSize = 5;
6108 case VariantWildCastle:
6110 /* !!?shuffle with kings guaranteed to be on d or e file */
6111 shuffleOpenings = 1;
6113 case VariantNoCastle:
6115 nrCastlingRights = 0;
6116 /* !!?unconstrained back-rank shuffle */
6117 shuffleOpenings = 1;
6122 if(appData.NrFiles >= 0) {
6123 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6124 gameInfo.boardWidth = appData.NrFiles;
6126 if(appData.NrRanks >= 0) {
6127 gameInfo.boardHeight = appData.NrRanks;
6129 if(appData.holdingsSize >= 0) {
6130 i = appData.holdingsSize;
6131 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6132 gameInfo.holdingsSize = i;
6134 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6135 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6136 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6138 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6139 if(pawnRow < 1) pawnRow = 1;
6140 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6141 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6142 if(gameInfo.variant == VariantChu) pawnRow = 3;
6144 /* User pieceToChar list overrules defaults */
6145 if(appData.pieceToCharTable != NULL)
6146 SetCharTable(pieceToChar, appData.pieceToCharTable);
6148 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6150 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6151 s = (ChessSquare) 0; /* account holding counts in guard band */
6152 for( i=0; i<BOARD_HEIGHT; i++ )
6153 initialPosition[i][j] = s;
6155 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6156 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6157 initialPosition[pawnRow][j] = WhitePawn;
6158 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6159 if(gameInfo.variant == VariantXiangqi) {
6161 initialPosition[pawnRow][j] =
6162 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6163 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6164 initialPosition[2][j] = WhiteCannon;
6165 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6169 if(gameInfo.variant == VariantChu) {
6170 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6171 initialPosition[pawnRow+1][j] = WhiteCobra,
6172 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6173 for(i=1; i<pieceRows; i++) {
6174 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6175 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6178 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6179 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6180 initialPosition[0][j] = WhiteRook;
6181 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6184 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6186 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6187 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6190 initialPosition[1][j] = WhiteBishop;
6191 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6193 initialPosition[1][j] = WhiteRook;
6194 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6197 if( nrCastlingRights == -1) {
6198 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6199 /* This sets default castling rights from none to normal corners */
6200 /* Variants with other castling rights must set them themselves above */
6201 nrCastlingRights = 6;
6203 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6204 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6205 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6206 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6207 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6208 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6211 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6212 if(gameInfo.variant == VariantGreat) { // promotion commoners
6213 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6214 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6215 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6216 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6218 if( gameInfo.variant == VariantSChess ) {
6219 initialPosition[1][0] = BlackMarshall;
6220 initialPosition[2][0] = BlackAngel;
6221 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6222 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6223 initialPosition[1][1] = initialPosition[2][1] =
6224 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6226 if (appData.debugMode) {
6227 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6229 if(shuffleOpenings) {
6230 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6231 startedFromSetupPosition = TRUE;
6233 if(startedFromPositionFile) {
6234 /* [HGM] loadPos: use PositionFile for every new game */
6235 CopyBoard(initialPosition, filePosition);
6236 for(i=0; i<nrCastlingRights; i++)
6237 initialRights[i] = filePosition[CASTLING][i];
6238 startedFromSetupPosition = TRUE;
6241 CopyBoard(boards[0], initialPosition);
6243 if(oldx != gameInfo.boardWidth ||
6244 oldy != gameInfo.boardHeight ||
6245 oldv != gameInfo.variant ||
6246 oldh != gameInfo.holdingsWidth
6248 InitDrawingSizes(-2 ,0);
6250 oldv = gameInfo.variant;
6252 DrawPosition(TRUE, boards[currentMove]);
6256 SendBoard (ChessProgramState *cps, int moveNum)
6258 char message[MSG_SIZ];
6260 if (cps->useSetboard) {
6261 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6262 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6263 SendToProgram(message, cps);
6268 int i, j, left=0, right=BOARD_WIDTH;
6269 /* Kludge to set black to move, avoiding the troublesome and now
6270 * deprecated "black" command.
6272 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6273 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6275 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6277 SendToProgram("edit\n", cps);
6278 SendToProgram("#\n", cps);
6279 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6280 bp = &boards[moveNum][i][left];
6281 for (j = left; j < right; j++, bp++) {
6282 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6283 if ((int) *bp < (int) BlackPawn) {
6284 if(j == BOARD_RGHT+1)
6285 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6286 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6287 if(message[0] == '+' || message[0] == '~') {
6288 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6289 PieceToChar((ChessSquare)(DEMOTED *bp)),
6292 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6293 message[1] = BOARD_RGHT - 1 - j + '1';
6294 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6296 SendToProgram(message, cps);
6301 SendToProgram("c\n", cps);
6302 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6303 bp = &boards[moveNum][i][left];
6304 for (j = left; j < right; j++, bp++) {
6305 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6306 if (((int) *bp != (int) EmptySquare)
6307 && ((int) *bp >= (int) BlackPawn)) {
6308 if(j == BOARD_LEFT-2)
6309 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6310 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6312 if(message[0] == '+' || message[0] == '~') {
6313 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6314 PieceToChar((ChessSquare)(DEMOTED *bp)),
6317 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6318 message[1] = BOARD_RGHT - 1 - j + '1';
6319 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6321 SendToProgram(message, cps);
6326 SendToProgram(".\n", cps);
6328 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6331 char exclusionHeader[MSG_SIZ];
6332 int exCnt, excludePtr;
6333 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6334 static Exclusion excluTab[200];
6335 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6341 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6342 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6348 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6349 excludePtr = 24; exCnt = 0;
6354 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6355 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6356 char buf[2*MOVE_LEN], *p;
6357 Exclusion *e = excluTab;
6359 for(i=0; i<exCnt; i++)
6360 if(e[i].ff == fromX && e[i].fr == fromY &&
6361 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6362 if(i == exCnt) { // was not in exclude list; add it
6363 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6364 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6365 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6368 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6369 excludePtr++; e[i].mark = excludePtr++;
6370 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6373 exclusionHeader[e[i].mark] = state;
6377 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6378 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6382 if((signed char)promoChar == -1) { // kludge to indicate best move
6383 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6384 return 1; // if unparsable, abort
6386 // update exclusion map (resolving toggle by consulting existing state)
6387 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6389 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6390 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6391 excludeMap[k] |= 1<<j;
6392 else excludeMap[k] &= ~(1<<j);
6394 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6396 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6397 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6399 return (state == '+');
6403 ExcludeClick (int index)
6406 Exclusion *e = excluTab;
6407 if(index < 25) { // none, best or tail clicked
6408 if(index < 13) { // none: include all
6409 WriteMap(0); // clear map
6410 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6411 SendToBoth("include all\n"); // and inform engine
6412 } else if(index > 18) { // tail
6413 if(exclusionHeader[19] == '-') { // tail was excluded
6414 SendToBoth("include all\n");
6415 WriteMap(0); // clear map completely
6416 // now re-exclude selected moves
6417 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6418 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6419 } else { // tail was included or in mixed state
6420 SendToBoth("exclude all\n");
6421 WriteMap(0xFF); // fill map completely
6422 // now re-include selected moves
6423 j = 0; // count them
6424 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6425 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6426 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6429 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6432 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6433 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6434 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6441 DefaultPromoChoice (int white)
6444 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6445 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6446 result = WhiteFerz; // no choice
6447 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6448 result= WhiteKing; // in Suicide Q is the last thing we want
6449 else if(gameInfo.variant == VariantSpartan)
6450 result = white ? WhiteQueen : WhiteAngel;
6451 else result = WhiteQueen;
6452 if(!white) result = WHITE_TO_BLACK result;
6456 static int autoQueen; // [HGM] oneclick
6459 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6461 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6462 /* [HGM] add Shogi promotions */
6463 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6464 ChessSquare piece, partner;
6468 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6469 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6471 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6472 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6475 piece = boards[currentMove][fromY][fromX];
6476 if(gameInfo.variant == VariantChu) {
6477 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6478 promotionZoneSize = BOARD_HEIGHT/3;
6479 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6480 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6481 promotionZoneSize = BOARD_HEIGHT/3;
6482 highestPromotingPiece = (int)WhiteAlfil;
6483 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6484 promotionZoneSize = 3;
6487 // Treat Lance as Pawn when it is not representing Amazon
6488 if(gameInfo.variant != VariantSuper) {
6489 if(piece == WhiteLance) piece = WhitePawn; else
6490 if(piece == BlackLance) piece = BlackPawn;
6493 // next weed out all moves that do not touch the promotion zone at all
6494 if((int)piece >= BlackPawn) {
6495 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6497 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6498 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6500 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6501 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6502 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6506 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6508 // weed out mandatory Shogi promotions
6509 if(gameInfo.variant == VariantShogi) {
6510 if(piece >= BlackPawn) {
6511 if(toY == 0 && piece == BlackPawn ||
6512 toY == 0 && piece == BlackQueen ||
6513 toY <= 1 && piece == BlackKnight) {
6518 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6519 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6520 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6527 // weed out obviously illegal Pawn moves
6528 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6529 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6530 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6531 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6532 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6533 // note we are not allowed to test for valid (non-)capture, due to premove
6536 // we either have a choice what to promote to, or (in Shogi) whether to promote
6537 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6538 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6539 *promoChoice = PieceToChar(BlackFerz); // no choice
6542 // no sense asking what we must promote to if it is going to explode...
6543 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6544 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6547 // give caller the default choice even if we will not make it
6548 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6549 partner = piece; // pieces can promote if the pieceToCharTable says so
6550 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6551 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6552 if( sweepSelect && gameInfo.variant != VariantGreat
6553 && gameInfo.variant != VariantGrand
6554 && gameInfo.variant != VariantSuper) return FALSE;
6555 if(autoQueen) return FALSE; // predetermined
6557 // suppress promotion popup on illegal moves that are not premoves
6558 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6559 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6560 if(appData.testLegality && !premove) {
6561 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6562 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6563 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6564 if(moveType != WhitePromotion && moveType != BlackPromotion)
6572 InPalace (int row, int column)
6573 { /* [HGM] for Xiangqi */
6574 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6575 column < (BOARD_WIDTH + 4)/2 &&
6576 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6581 PieceForSquare (int x, int y)
6583 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6586 return boards[currentMove][y][x];
6590 OKToStartUserMove (int x, int y)
6592 ChessSquare from_piece;
6595 if (matchMode) return FALSE;
6596 if (gameMode == EditPosition) return TRUE;
6598 if (x >= 0 && y >= 0)
6599 from_piece = boards[currentMove][y][x];
6601 from_piece = EmptySquare;
6603 if (from_piece == EmptySquare) return FALSE;
6605 white_piece = (int)from_piece >= (int)WhitePawn &&
6606 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6610 case TwoMachinesPlay:
6618 case MachinePlaysWhite:
6619 case IcsPlayingBlack:
6620 if (appData.zippyPlay) return FALSE;
6622 DisplayMoveError(_("You are playing Black"));
6627 case MachinePlaysBlack:
6628 case IcsPlayingWhite:
6629 if (appData.zippyPlay) return FALSE;
6631 DisplayMoveError(_("You are playing White"));
6636 case PlayFromGameFile:
6637 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6639 if (!white_piece && WhiteOnMove(currentMove)) {
6640 DisplayMoveError(_("It is White's turn"));
6643 if (white_piece && !WhiteOnMove(currentMove)) {
6644 DisplayMoveError(_("It is Black's turn"));
6647 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6648 /* Editing correspondence game history */
6649 /* Could disallow this or prompt for confirmation */
6654 case BeginningOfGame:
6655 if (appData.icsActive) return FALSE;
6656 if (!appData.noChessProgram) {
6658 DisplayMoveError(_("You are playing White"));
6665 if (!white_piece && WhiteOnMove(currentMove)) {
6666 DisplayMoveError(_("It is White's turn"));
6669 if (white_piece && !WhiteOnMove(currentMove)) {
6670 DisplayMoveError(_("It is Black's turn"));
6679 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6680 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6681 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6682 && gameMode != AnalyzeFile && gameMode != Training) {
6683 DisplayMoveError(_("Displayed position is not current"));
6690 OnlyMove (int *x, int *y, Boolean captures)
6692 DisambiguateClosure cl;
6693 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6695 case MachinePlaysBlack:
6696 case IcsPlayingWhite:
6697 case BeginningOfGame:
6698 if(!WhiteOnMove(currentMove)) return FALSE;
6700 case MachinePlaysWhite:
6701 case IcsPlayingBlack:
6702 if(WhiteOnMove(currentMove)) return FALSE;
6709 cl.pieceIn = EmptySquare;
6714 cl.promoCharIn = NULLCHAR;
6715 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6716 if( cl.kind == NormalMove ||
6717 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6718 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6719 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6726 if(cl.kind != ImpossibleMove) return FALSE;
6727 cl.pieceIn = EmptySquare;
6732 cl.promoCharIn = NULLCHAR;
6733 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6734 if( cl.kind == NormalMove ||
6735 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6736 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6737 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6742 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6748 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6749 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6750 int lastLoadGameUseList = FALSE;
6751 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6752 ChessMove lastLoadGameStart = EndOfFile;
6756 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6760 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6762 /* Check if the user is playing in turn. This is complicated because we
6763 let the user "pick up" a piece before it is his turn. So the piece he
6764 tried to pick up may have been captured by the time he puts it down!
6765 Therefore we use the color the user is supposed to be playing in this
6766 test, not the color of the piece that is currently on the starting
6767 square---except in EditGame mode, where the user is playing both
6768 sides; fortunately there the capture race can't happen. (It can
6769 now happen in IcsExamining mode, but that's just too bad. The user
6770 will get a somewhat confusing message in that case.)
6775 case TwoMachinesPlay:
6779 /* We switched into a game mode where moves are not accepted,
6780 perhaps while the mouse button was down. */
6783 case MachinePlaysWhite:
6784 /* User is moving for Black */
6785 if (WhiteOnMove(currentMove)) {
6786 DisplayMoveError(_("It is White's turn"));
6791 case MachinePlaysBlack:
6792 /* User is moving for White */
6793 if (!WhiteOnMove(currentMove)) {
6794 DisplayMoveError(_("It is Black's turn"));
6799 case PlayFromGameFile:
6800 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6803 case BeginningOfGame:
6806 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6807 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6808 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6809 /* User is moving for Black */
6810 if (WhiteOnMove(currentMove)) {
6811 DisplayMoveError(_("It is White's turn"));
6815 /* User is moving for White */
6816 if (!WhiteOnMove(currentMove)) {
6817 DisplayMoveError(_("It is Black's turn"));
6823 case IcsPlayingBlack:
6824 /* User is moving for Black */
6825 if (WhiteOnMove(currentMove)) {
6826 if (!appData.premove) {
6827 DisplayMoveError(_("It is White's turn"));
6828 } else if (toX >= 0 && toY >= 0) {
6831 premoveFromX = fromX;
6832 premoveFromY = fromY;
6833 premovePromoChar = promoChar;
6835 if (appData.debugMode)
6836 fprintf(debugFP, "Got premove: fromX %d,"
6837 "fromY %d, toX %d, toY %d\n",
6838 fromX, fromY, toX, toY);
6844 case IcsPlayingWhite:
6845 /* User is moving for White */
6846 if (!WhiteOnMove(currentMove)) {
6847 if (!appData.premove) {
6848 DisplayMoveError(_("It is Black's turn"));
6849 } else if (toX >= 0 && toY >= 0) {
6852 premoveFromX = fromX;
6853 premoveFromY = fromY;
6854 premovePromoChar = promoChar;
6856 if (appData.debugMode)
6857 fprintf(debugFP, "Got premove: fromX %d,"
6858 "fromY %d, toX %d, toY %d\n",
6859 fromX, fromY, toX, toY);
6869 /* EditPosition, empty square, or different color piece;
6870 click-click move is possible */
6871 if (toX == -2 || toY == -2) {
6872 boards[0][fromY][fromX] = EmptySquare;
6873 DrawPosition(FALSE, boards[currentMove]);
6875 } else if (toX >= 0 && toY >= 0) {
6876 boards[0][toY][toX] = boards[0][fromY][fromX];
6877 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6878 if(boards[0][fromY][0] != EmptySquare) {
6879 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6880 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6883 if(fromX == BOARD_RGHT+1) {
6884 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6885 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6886 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6889 boards[0][fromY][fromX] = gatingPiece;
6890 DrawPosition(FALSE, boards[currentMove]);
6896 if(toX < 0 || toY < 0) return;
6897 pup = boards[currentMove][toY][toX];
6899 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6900 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6901 if( pup != EmptySquare ) return;
6902 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6903 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6904 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6905 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6906 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6907 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6908 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6912 /* [HGM] always test for legality, to get promotion info */
6913 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6914 fromY, fromX, toY, toX, promoChar);
6916 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6918 /* [HGM] but possibly ignore an IllegalMove result */
6919 if (appData.testLegality) {
6920 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6921 DisplayMoveError(_("Illegal move"));
6926 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6927 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6928 ClearPremoveHighlights(); // was included
6929 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6933 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6936 /* Common tail of UserMoveEvent and DropMenuEvent */
6938 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6942 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6943 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6944 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6945 if(WhiteOnMove(currentMove)) {
6946 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6948 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6952 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6953 move type in caller when we know the move is a legal promotion */
6954 if(moveType == NormalMove && promoChar)
6955 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6957 /* [HGM] <popupFix> The following if has been moved here from
6958 UserMoveEvent(). Because it seemed to belong here (why not allow
6959 piece drops in training games?), and because it can only be
6960 performed after it is known to what we promote. */
6961 if (gameMode == Training) {
6962 /* compare the move played on the board to the next move in the
6963 * game. If they match, display the move and the opponent's response.
6964 * If they don't match, display an error message.
6968 CopyBoard(testBoard, boards[currentMove]);
6969 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6971 if (CompareBoards(testBoard, boards[currentMove+1])) {
6972 ForwardInner(currentMove+1);
6974 /* Autoplay the opponent's response.
6975 * if appData.animate was TRUE when Training mode was entered,
6976 * the response will be animated.
6978 saveAnimate = appData.animate;
6979 appData.animate = animateTraining;
6980 ForwardInner(currentMove+1);
6981 appData.animate = saveAnimate;
6983 /* check for the end of the game */
6984 if (currentMove >= forwardMostMove) {
6985 gameMode = PlayFromGameFile;
6987 SetTrainingModeOff();
6988 DisplayInformation(_("End of game"));
6991 DisplayError(_("Incorrect move"), 0);
6996 /* Ok, now we know that the move is good, so we can kill
6997 the previous line in Analysis Mode */
6998 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6999 && currentMove < forwardMostMove) {
7000 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7001 else forwardMostMove = currentMove;
7006 /* If we need the chess program but it's dead, restart it */
7007 ResurrectChessProgram();
7009 /* A user move restarts a paused game*/
7013 thinkOutput[0] = NULLCHAR;
7015 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7017 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7018 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7022 if (gameMode == BeginningOfGame) {
7023 if (appData.noChessProgram) {
7024 gameMode = EditGame;
7028 gameMode = MachinePlaysBlack;
7031 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7033 if (first.sendName) {
7034 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7035 SendToProgram(buf, &first);
7042 /* Relay move to ICS or chess engine */
7043 if (appData.icsActive) {
7044 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7045 gameMode == IcsExamining) {
7046 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7047 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7049 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7051 // also send plain move, in case ICS does not understand atomic claims
7052 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7056 if (first.sendTime && (gameMode == BeginningOfGame ||
7057 gameMode == MachinePlaysWhite ||
7058 gameMode == MachinePlaysBlack)) {
7059 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7061 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7062 // [HGM] book: if program might be playing, let it use book
7063 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7064 first.maybeThinking = TRUE;
7065 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7066 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7067 SendBoard(&first, currentMove+1);
7068 if(second.analyzing) {
7069 if(!second.useSetboard) SendToProgram("undo\n", &second);
7070 SendBoard(&second, currentMove+1);
7073 SendMoveToProgram(forwardMostMove-1, &first);
7074 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7076 if (currentMove == cmailOldMove + 1) {
7077 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7081 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7085 if(appData.testLegality)
7086 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7092 if (WhiteOnMove(currentMove)) {
7093 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7095 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7099 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7104 case MachinePlaysBlack:
7105 case MachinePlaysWhite:
7106 /* disable certain menu options while machine is thinking */
7107 SetMachineThinkingEnables();
7114 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7115 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7117 if(bookHit) { // [HGM] book: simulate book reply
7118 static char bookMove[MSG_SIZ]; // a bit generous?
7120 programStats.nodes = programStats.depth = programStats.time =
7121 programStats.score = programStats.got_only_move = 0;
7122 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7124 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7125 strcat(bookMove, bookHit);
7126 HandleMachineMove(bookMove, &first);
7132 MarkByFEN(char *fen)
7135 if(!appData.markers || !appData.highlightDragging) return;
7136 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7137 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7141 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7142 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7143 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7144 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7145 if(*fen == 'T') marker[r][f++] = 0; else
7146 if(*fen == 'Y') marker[r][f++] = 1; else
7147 if(*fen == 'G') marker[r][f++] = 3; else
7148 if(*fen == 'B') marker[r][f++] = 4; else
7149 if(*fen == 'C') marker[r][f++] = 5; else
7150 if(*fen == 'M') marker[r][f++] = 6; else
7151 if(*fen == 'W') marker[r][f++] = 7; else
7152 if(*fen == 'D') marker[r][f++] = 8; else
7153 if(*fen == 'R') marker[r][f++] = 2; else {
7154 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7157 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7161 DrawPosition(TRUE, NULL);
7164 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7167 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7169 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7170 Markers *m = (Markers *) closure;
7171 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7172 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7173 || kind == WhiteCapturesEnPassant
7174 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7175 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7178 static int hoverSavedValid;
7181 MarkTargetSquares (int clear)
7184 if(clear) { // no reason to ever suppress clearing
7185 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7186 hoverSavedValid = 0;
7187 if(!sum) return; // nothing was cleared,no redraw needed
7190 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7191 !appData.testLegality || gameMode == EditPosition) return;
7192 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7193 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7194 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7196 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7199 DrawPosition(FALSE, NULL);
7203 Explode (Board board, int fromX, int fromY, int toX, int toY)
7205 if(gameInfo.variant == VariantAtomic &&
7206 (board[toY][toX] != EmptySquare || // capture?
7207 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7208 board[fromY][fromX] == BlackPawn )
7210 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7216 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7219 CanPromote (ChessSquare piece, int y)
7221 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7222 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7223 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7224 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7225 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7226 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7227 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7228 return (piece == BlackPawn && y <= zone ||
7229 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7230 piece == BlackLance && y == 1 ||
7231 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7235 HoverEvent (int xPix, int yPix, int x, int y)
7237 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7239 if(!first.highlight) return;
7240 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7241 if(x == oldX && y == oldY) return; // only do something if we enter new square
7242 oldFromX = fromX; oldFromY = fromY;
7243 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7244 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7245 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7246 hoverSavedValid = 1;
7247 } else if(oldX != x || oldY != y) {
7248 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7249 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7250 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7251 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7252 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7254 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7255 SendToProgram(buf, &first);
7258 // SetHighlights(fromX, fromY, x, y);
7262 void ReportClick(char *action, int x, int y)
7264 char buf[MSG_SIZ]; // Inform engine of what user does
7266 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7267 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7268 if(!first.highlight || gameMode == EditPosition) return;
7269 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7270 SendToProgram(buf, &first);
7274 LeftClick (ClickType clickType, int xPix, int yPix)
7277 Boolean saveAnimate;
7278 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7279 char promoChoice = NULLCHAR;
7281 static TimeMark lastClickTime, prevClickTime;
7283 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7285 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7287 if (clickType == Press) ErrorPopDown();
7288 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7290 x = EventToSquare(xPix, BOARD_WIDTH);
7291 y = EventToSquare(yPix, BOARD_HEIGHT);
7292 if (!flipView && y >= 0) {
7293 y = BOARD_HEIGHT - 1 - y;
7295 if (flipView && x >= 0) {
7296 x = BOARD_WIDTH - 1 - x;
7299 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7300 defaultPromoChoice = promoSweep;
7301 promoSweep = EmptySquare; // terminate sweep
7302 promoDefaultAltered = TRUE;
7303 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7306 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7307 if(clickType == Release) return; // ignore upclick of click-click destination
7308 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7309 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7310 if(gameInfo.holdingsWidth &&
7311 (WhiteOnMove(currentMove)
7312 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7313 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7314 // click in right holdings, for determining promotion piece
7315 ChessSquare p = boards[currentMove][y][x];
7316 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7317 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7318 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7319 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7324 DrawPosition(FALSE, boards[currentMove]);
7328 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7329 if(clickType == Press
7330 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7331 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7332 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7335 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7336 // could be static click on premove from-square: abort premove
7338 ClearPremoveHighlights();
7341 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7342 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7344 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7345 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7346 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7347 defaultPromoChoice = DefaultPromoChoice(side);
7350 autoQueen = appData.alwaysPromoteToQueen;
7354 gatingPiece = EmptySquare;
7355 if (clickType != Press) {
7356 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7357 DragPieceEnd(xPix, yPix); dragging = 0;
7358 DrawPosition(FALSE, NULL);
7362 doubleClick = FALSE;
7363 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7364 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7366 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7367 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7368 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7369 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7371 if (OKToStartUserMove(fromX, fromY)) {
7373 ReportClick("lift", x, y);
7374 MarkTargetSquares(0);
7375 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7376 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7377 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7378 promoSweep = defaultPromoChoice;
7379 selectFlag = 0; lastX = xPix; lastY = yPix;
7380 Sweep(0); // Pawn that is going to promote: preview promotion piece
7381 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7383 if (appData.highlightDragging) {
7384 SetHighlights(fromX, fromY, -1, -1);
7388 } else fromX = fromY = -1;
7394 if (clickType == Press && gameMode != EditPosition) {
7399 // ignore off-board to clicks
7400 if(y < 0 || x < 0) return;
7402 /* Check if clicking again on the same color piece */
7403 fromP = boards[currentMove][fromY][fromX];
7404 toP = boards[currentMove][y][x];
7405 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7406 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7407 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7408 WhitePawn <= toP && toP <= WhiteKing &&
7409 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7410 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7411 (BlackPawn <= fromP && fromP <= BlackKing &&
7412 BlackPawn <= toP && toP <= BlackKing &&
7413 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7414 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7415 /* Clicked again on same color piece -- changed his mind */
7416 second = (x == fromX && y == fromY);
7418 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7419 second = FALSE; // first double-click rather than scond click
7420 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7422 promoDefaultAltered = FALSE;
7423 MarkTargetSquares(1);
7424 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7425 if (appData.highlightDragging) {
7426 SetHighlights(x, y, -1, -1);
7430 if (OKToStartUserMove(x, y)) {
7431 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7432 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7433 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7434 gatingPiece = boards[currentMove][fromY][fromX];
7435 else gatingPiece = doubleClick ? fromP : EmptySquare;
7437 fromY = y; dragging = 1;
7438 ReportClick("lift", x, y);
7439 MarkTargetSquares(0);
7440 DragPieceBegin(xPix, yPix, FALSE);
7441 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7442 promoSweep = defaultPromoChoice;
7443 selectFlag = 0; lastX = xPix; lastY = yPix;
7444 Sweep(0); // Pawn that is going to promote: preview promotion piece
7448 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7451 // ignore clicks on holdings
7452 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7455 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7456 DragPieceEnd(xPix, yPix); dragging = 0;
7458 // a deferred attempt to click-click move an empty square on top of a piece
7459 boards[currentMove][y][x] = EmptySquare;
7461 DrawPosition(FALSE, boards[currentMove]);
7462 fromX = fromY = -1; clearFlag = 0;
7465 if (appData.animateDragging) {
7466 /* Undo animation damage if any */
7467 DrawPosition(FALSE, NULL);
7469 if (second || sweepSelecting) {
7470 /* Second up/down in same square; just abort move */
7471 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7472 second = sweepSelecting = 0;
7474 gatingPiece = EmptySquare;
7475 MarkTargetSquares(1);
7478 ClearPremoveHighlights();
7480 /* First upclick in same square; start click-click mode */
7481 SetHighlights(x, y, -1, -1);
7488 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7489 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7490 DisplayMessage(_("only marked squares are legal"),"");
7491 DrawPosition(TRUE, NULL);
7492 return; // ignore to-click
7495 /* we now have a different from- and (possibly off-board) to-square */
7496 /* Completed move */
7497 if(!sweepSelecting) {
7502 piece = boards[currentMove][fromY][fromX];
7504 saveAnimate = appData.animate;
7505 if (clickType == Press) {
7506 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7507 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7508 // must be Edit Position mode with empty-square selected
7509 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7510 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7513 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7516 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7517 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7519 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7520 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7521 if(appData.sweepSelect) {
7522 promoSweep = defaultPromoChoice;
7523 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7524 selectFlag = 0; lastX = xPix; lastY = yPix;
7525 Sweep(0); // Pawn that is going to promote: preview promotion piece
7527 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7528 MarkTargetSquares(1);
7530 return; // promo popup appears on up-click
7532 /* Finish clickclick move */
7533 if (appData.animate || appData.highlightLastMove) {
7534 SetHighlights(fromX, fromY, toX, toY);
7538 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7539 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7540 if (appData.animate || appData.highlightLastMove) {
7541 SetHighlights(fromX, fromY, toX, toY);
7547 // [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
7548 /* Finish drag move */
7549 if (appData.highlightLastMove) {
7550 SetHighlights(fromX, fromY, toX, toY);
7555 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7556 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7557 dragging *= 2; // flag button-less dragging if we are dragging
7558 MarkTargetSquares(1);
7559 if(x == killX && y == killY) killX = killY = -1; else {
7560 killX = x; killY = y; //remeber this square as intermediate
7561 ReportClick("put", x, y); // and inform engine
7562 ReportClick("lift", x, y);
7563 MarkTargetSquares(0);
7567 DragPieceEnd(xPix, yPix); dragging = 0;
7568 /* Don't animate move and drag both */
7569 appData.animate = FALSE;
7572 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7573 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7574 ChessSquare piece = boards[currentMove][fromY][fromX];
7575 if(gameMode == EditPosition && piece != EmptySquare &&
7576 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7579 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7580 n = PieceToNumber(piece - (int)BlackPawn);
7581 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7582 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7583 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7585 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7586 n = PieceToNumber(piece);
7587 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7588 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7589 boards[currentMove][n][BOARD_WIDTH-2]++;
7591 boards[currentMove][fromY][fromX] = EmptySquare;
7595 MarkTargetSquares(1);
7596 DrawPosition(TRUE, boards[currentMove]);
7600 // off-board moves should not be highlighted
7601 if(x < 0 || y < 0) ClearHighlights();
7602 else ReportClick("put", x, y);
7604 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7606 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7607 SetHighlights(fromX, fromY, toX, toY);
7608 MarkTargetSquares(1);
7609 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7610 // [HGM] super: promotion to captured piece selected from holdings
7611 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7612 promotionChoice = TRUE;
7613 // kludge follows to temporarily execute move on display, without promoting yet
7614 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7615 boards[currentMove][toY][toX] = p;
7616 DrawPosition(FALSE, boards[currentMove]);
7617 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7618 boards[currentMove][toY][toX] = q;
7619 DisplayMessage("Click in holdings to choose piece", "");
7622 PromotionPopUp(promoChoice);
7624 int oldMove = currentMove;
7625 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7626 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7627 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7628 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7629 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7630 DrawPosition(TRUE, boards[currentMove]);
7631 MarkTargetSquares(1);
7634 appData.animate = saveAnimate;
7635 if (appData.animate || appData.animateDragging) {
7636 /* Undo animation damage if needed */
7637 DrawPosition(FALSE, NULL);
7642 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7643 { // front-end-free part taken out of PieceMenuPopup
7644 int whichMenu; int xSqr, ySqr;
7646 if(seekGraphUp) { // [HGM] seekgraph
7647 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7648 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7652 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7653 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7654 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7655 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7656 if(action == Press) {
7657 originalFlip = flipView;
7658 flipView = !flipView; // temporarily flip board to see game from partners perspective
7659 DrawPosition(TRUE, partnerBoard);
7660 DisplayMessage(partnerStatus, "");
7662 } else if(action == Release) {
7663 flipView = originalFlip;
7664 DrawPosition(TRUE, boards[currentMove]);
7670 xSqr = EventToSquare(x, BOARD_WIDTH);
7671 ySqr = EventToSquare(y, BOARD_HEIGHT);
7672 if (action == Release) {
7673 if(pieceSweep != EmptySquare) {
7674 EditPositionMenuEvent(pieceSweep, toX, toY);
7675 pieceSweep = EmptySquare;
7676 } else UnLoadPV(); // [HGM] pv
7678 if (action != Press) return -2; // return code to be ignored
7681 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7683 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7684 if (xSqr < 0 || ySqr < 0) return -1;
7685 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7686 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7687 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7688 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7692 if(!appData.icsEngineAnalyze) return -1;
7693 case IcsPlayingWhite:
7694 case IcsPlayingBlack:
7695 if(!appData.zippyPlay) goto noZip;
7698 case MachinePlaysWhite:
7699 case MachinePlaysBlack:
7700 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7701 if (!appData.dropMenu) {
7703 return 2; // flag front-end to grab mouse events
7705 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7706 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7709 if (xSqr < 0 || ySqr < 0) return -1;
7710 if (!appData.dropMenu || appData.testLegality &&
7711 gameInfo.variant != VariantBughouse &&
7712 gameInfo.variant != VariantCrazyhouse) return -1;
7713 whichMenu = 1; // drop menu
7719 if (((*fromX = xSqr) < 0) ||
7720 ((*fromY = ySqr) < 0)) {
7721 *fromX = *fromY = -1;
7725 *fromX = BOARD_WIDTH - 1 - *fromX;
7727 *fromY = BOARD_HEIGHT - 1 - *fromY;
7733 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7735 // char * hint = lastHint;
7736 FrontEndProgramStats stats;
7738 stats.which = cps == &first ? 0 : 1;
7739 stats.depth = cpstats->depth;
7740 stats.nodes = cpstats->nodes;
7741 stats.score = cpstats->score;
7742 stats.time = cpstats->time;
7743 stats.pv = cpstats->movelist;
7744 stats.hint = lastHint;
7745 stats.an_move_index = 0;
7746 stats.an_move_count = 0;
7748 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7749 stats.hint = cpstats->move_name;
7750 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7751 stats.an_move_count = cpstats->nr_moves;
7754 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
7756 SetProgramStats( &stats );
7760 ClearEngineOutputPane (int which)
7762 static FrontEndProgramStats dummyStats;
7763 dummyStats.which = which;
7764 dummyStats.pv = "#";
7765 SetProgramStats( &dummyStats );
7768 #define MAXPLAYERS 500
7771 TourneyStandings (int display)
7773 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7774 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7775 char result, *p, *names[MAXPLAYERS];
7777 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7778 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7779 names[0] = p = strdup(appData.participants);
7780 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7782 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7784 while(result = appData.results[nr]) {
7785 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7786 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7787 wScore = bScore = 0;
7789 case '+': wScore = 2; break;
7790 case '-': bScore = 2; break;
7791 case '=': wScore = bScore = 1; break;
7793 case '*': return strdup("busy"); // tourney not finished
7801 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7802 for(w=0; w<nPlayers; w++) {
7804 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7805 ranking[w] = b; points[w] = bScore; score[b] = -2;
7807 p = malloc(nPlayers*34+1);
7808 for(w=0; w<nPlayers && w<display; w++)
7809 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7815 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7816 { // count all piece types
7818 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7819 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7820 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7823 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7824 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7825 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7826 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7827 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7828 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7833 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7835 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7836 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7838 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7839 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7840 if(myPawns == 2 && nMine == 3) // KPP
7841 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7842 if(myPawns == 1 && nMine == 2) // KP
7843 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7844 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7845 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7846 if(myPawns) return FALSE;
7847 if(pCnt[WhiteRook+side])
7848 return pCnt[BlackRook-side] ||
7849 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7850 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7851 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7852 if(pCnt[WhiteCannon+side]) {
7853 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7854 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7856 if(pCnt[WhiteKnight+side])
7857 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7862 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7864 VariantClass v = gameInfo.variant;
7866 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7867 if(v == VariantShatranj) return TRUE; // always winnable through baring
7868 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7869 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7871 if(v == VariantXiangqi) {
7872 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7874 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7875 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7876 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7877 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7878 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7879 if(stale) // we have at least one last-rank P plus perhaps C
7880 return majors // KPKX
7881 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7883 return pCnt[WhiteFerz+side] // KCAK
7884 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7885 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7886 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7888 } else if(v == VariantKnightmate) {
7889 if(nMine == 1) return FALSE;
7890 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7891 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7892 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7894 if(nMine == 1) return FALSE; // bare King
7895 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
7896 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7897 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7898 // by now we have King + 1 piece (or multiple Bishops on the same color)
7899 if(pCnt[WhiteKnight+side])
7900 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7901 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7902 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7904 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7905 if(pCnt[WhiteAlfil+side])
7906 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7907 if(pCnt[WhiteWazir+side])
7908 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7915 CompareWithRights (Board b1, Board b2)
7918 if(!CompareBoards(b1, b2)) return FALSE;
7919 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7920 /* compare castling rights */
7921 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7922 rights++; /* King lost rights, while rook still had them */
7923 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7924 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7925 rights++; /* but at least one rook lost them */
7927 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7929 if( b1[CASTLING][5] != NoRights ) {
7930 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7937 Adjudicate (ChessProgramState *cps)
7938 { // [HGM] some adjudications useful with buggy engines
7939 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7940 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7941 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7942 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7943 int k, drop, count = 0; static int bare = 1;
7944 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7945 Boolean canAdjudicate = !appData.icsActive;
7947 // most tests only when we understand the game, i.e. legality-checking on
7948 if( appData.testLegality )
7949 { /* [HGM] Some more adjudications for obstinate engines */
7950 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7951 static int moveCount = 6;
7953 char *reason = NULL;
7955 /* Count what is on board. */
7956 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7958 /* Some material-based adjudications that have to be made before stalemate test */
7959 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7960 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7961 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7962 if(canAdjudicate && appData.checkMates) {
7964 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7965 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7966 "Xboard adjudication: King destroyed", GE_XBOARD );
7971 /* Bare King in Shatranj (loses) or Losers (wins) */
7972 if( nrW == 1 || nrB == 1) {
7973 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7974 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7975 if(canAdjudicate && appData.checkMates) {
7977 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7978 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7979 "Xboard adjudication: Bare king", GE_XBOARD );
7983 if( gameInfo.variant == VariantShatranj && --bare < 0)
7985 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7986 if(canAdjudicate && appData.checkMates) {
7987 /* but only adjudicate if adjudication enabled */
7989 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7990 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7991 "Xboard adjudication: Bare king", GE_XBOARD );
7998 // don't wait for engine to announce game end if we can judge ourselves
7999 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8001 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8002 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8003 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8004 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8007 reason = "Xboard adjudication: 3rd check";
8008 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8018 reason = "Xboard adjudication: Stalemate";
8019 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8020 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8021 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8022 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8023 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8024 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8025 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8026 EP_CHECKMATE : EP_WINS);
8027 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8028 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8032 reason = "Xboard adjudication: Checkmate";
8033 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8034 if(gameInfo.variant == VariantShogi) {
8035 if(forwardMostMove > backwardMostMove
8036 && moveList[forwardMostMove-1][1] == '@'
8037 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8038 reason = "XBoard adjudication: pawn-drop mate";
8039 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8045 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8047 result = GameIsDrawn; break;
8049 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8051 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8055 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8057 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8058 GameEnds( result, reason, GE_XBOARD );
8062 /* Next absolutely insufficient mating material. */
8063 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8064 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8065 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8067 /* always flag draws, for judging claims */
8068 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8070 if(canAdjudicate && appData.materialDraws) {
8071 /* but only adjudicate them if adjudication enabled */
8072 if(engineOpponent) {
8073 SendToProgram("force\n", engineOpponent); // suppress reply
8074 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8076 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8081 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8082 if(gameInfo.variant == VariantXiangqi ?
8083 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8085 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8086 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8087 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8088 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8090 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8091 { /* if the first 3 moves do not show a tactical win, declare draw */
8092 if(engineOpponent) {
8093 SendToProgram("force\n", engineOpponent); // suppress reply
8094 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8096 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8099 } else moveCount = 6;
8102 // Repetition draws and 50-move rule can be applied independently of legality testing
8104 /* Check for rep-draws */
8106 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8107 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8108 for(k = forwardMostMove-2;
8109 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8110 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8111 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8114 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8115 /* compare castling rights */
8116 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8117 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8118 rights++; /* King lost rights, while rook still had them */
8119 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8120 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8121 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8122 rights++; /* but at least one rook lost them */
8124 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8125 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8127 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8128 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8129 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8132 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8133 && appData.drawRepeats > 1) {
8134 /* adjudicate after user-specified nr of repeats */
8135 int result = GameIsDrawn;
8136 char *details = "XBoard adjudication: repetition draw";
8137 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8138 // [HGM] xiangqi: check for forbidden perpetuals
8139 int m, ourPerpetual = 1, hisPerpetual = 1;
8140 for(m=forwardMostMove; m>k; m-=2) {
8141 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8142 ourPerpetual = 0; // the current mover did not always check
8143 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8144 hisPerpetual = 0; // the opponent did not always check
8146 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8147 ourPerpetual, hisPerpetual);
8148 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8149 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8150 details = "Xboard adjudication: perpetual checking";
8152 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8153 break; // (or we would have caught him before). Abort repetition-checking loop.
8155 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8156 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8158 details = "Xboard adjudication: repetition";
8160 } else // it must be XQ
8161 // Now check for perpetual chases
8162 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8163 hisPerpetual = PerpetualChase(k, forwardMostMove);
8164 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8165 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8166 static char resdet[MSG_SIZ];
8167 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8169 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8171 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8172 break; // Abort repetition-checking loop.
8174 // if neither of us is checking or chasing all the time, or both are, it is draw
8176 if(engineOpponent) {
8177 SendToProgram("force\n", engineOpponent); // suppress reply
8178 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8180 GameEnds( result, details, GE_XBOARD );
8183 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8184 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8188 /* Now we test for 50-move draws. Determine ply count */
8189 count = forwardMostMove;
8190 /* look for last irreversble move */
8191 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8193 /* if we hit starting position, add initial plies */
8194 if( count == backwardMostMove )
8195 count -= initialRulePlies;
8196 count = forwardMostMove - count;
8197 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8198 // adjust reversible move counter for checks in Xiangqi
8199 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8200 if(i < backwardMostMove) i = backwardMostMove;
8201 while(i <= forwardMostMove) {
8202 lastCheck = inCheck; // check evasion does not count
8203 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8204 if(inCheck || lastCheck) count--; // check does not count
8209 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8210 /* this is used to judge if draw claims are legal */
8211 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8212 if(engineOpponent) {
8213 SendToProgram("force\n", engineOpponent); // suppress reply
8214 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8216 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8220 /* if draw offer is pending, treat it as a draw claim
8221 * when draw condition present, to allow engines a way to
8222 * claim draws before making their move to avoid a race
8223 * condition occurring after their move
8225 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8227 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8228 p = "Draw claim: 50-move rule";
8229 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8230 p = "Draw claim: 3-fold repetition";
8231 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8232 p = "Draw claim: insufficient mating material";
8233 if( p != NULL && canAdjudicate) {
8234 if(engineOpponent) {
8235 SendToProgram("force\n", engineOpponent); // suppress reply
8236 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8238 GameEnds( GameIsDrawn, p, GE_XBOARD );
8243 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8244 if(engineOpponent) {
8245 SendToProgram("force\n", engineOpponent); // suppress reply
8246 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8248 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8255 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8256 { // [HGM] book: this routine intercepts moves to simulate book replies
8257 char *bookHit = NULL;
8259 //first determine if the incoming move brings opponent into his book
8260 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8261 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8262 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8263 if(bookHit != NULL && !cps->bookSuspend) {
8264 // make sure opponent is not going to reply after receiving move to book position
8265 SendToProgram("force\n", cps);
8266 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8268 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8269 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8270 // now arrange restart after book miss
8272 // after a book hit we never send 'go', and the code after the call to this routine
8273 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8274 char buf[MSG_SIZ], *move = bookHit;
8276 int fromX, fromY, toX, toY;
8280 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8281 &fromX, &fromY, &toX, &toY, &promoChar)) {
8282 (void) CoordsToAlgebraic(boards[forwardMostMove],
8283 PosFlags(forwardMostMove),
8284 fromY, fromX, toY, toX, promoChar, move);
8286 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8290 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8291 SendToProgram(buf, cps);
8292 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8293 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8294 SendToProgram("go\n", cps);
8295 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8296 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8297 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8298 SendToProgram("go\n", cps);
8299 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8301 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8305 LoadError (char *errmess, ChessProgramState *cps)
8306 { // unloads engine and switches back to -ncp mode if it was first
8307 if(cps->initDone) return FALSE;
8308 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8309 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8312 appData.noChessProgram = TRUE;
8313 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8314 gameMode = BeginningOfGame; ModeHighlight();
8317 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8318 DisplayMessage("", ""); // erase waiting message
8319 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8324 ChessProgramState *savedState;
8326 DeferredBookMove (void)
8328 if(savedState->lastPing != savedState->lastPong)
8329 ScheduleDelayedEvent(DeferredBookMove, 10);
8331 HandleMachineMove(savedMessage, savedState);
8334 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8335 static ChessProgramState *stalledEngine;
8336 static char stashedInputMove[MSG_SIZ];
8339 HandleMachineMove (char *message, ChessProgramState *cps)
8341 static char firstLeg[20];
8342 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8343 char realname[MSG_SIZ];
8344 int fromX, fromY, toX, toY;
8346 char promoChar, roar;
8348 int machineWhite, oldError;
8351 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8352 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8353 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8354 DisplayError(_("Invalid pairing from pairing engine"), 0);
8357 pairingReceived = 1;
8359 return; // Skim the pairing messages here.
8362 oldError = cps->userError; cps->userError = 0;
8364 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8366 * Kludge to ignore BEL characters
8368 while (*message == '\007') message++;
8371 * [HGM] engine debug message: ignore lines starting with '#' character
8373 if(cps->debug && *message == '#') return;
8376 * Look for book output
8378 if (cps == &first && bookRequested) {
8379 if (message[0] == '\t' || message[0] == ' ') {
8380 /* Part of the book output is here; append it */
8381 strcat(bookOutput, message);
8382 strcat(bookOutput, " \n");
8384 } else if (bookOutput[0] != NULLCHAR) {
8385 /* All of book output has arrived; display it */
8386 char *p = bookOutput;
8387 while (*p != NULLCHAR) {
8388 if (*p == '\t') *p = ' ';
8391 DisplayInformation(bookOutput);
8392 bookRequested = FALSE;
8393 /* Fall through to parse the current output */
8398 * Look for machine move.
8400 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8401 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8403 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8404 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8405 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8406 stalledEngine = cps;
8407 if(appData.ponderNextMove) { // bring opponent out of ponder
8408 if(gameMode == TwoMachinesPlay) {
8409 if(cps->other->pause)
8410 PauseEngine(cps->other);
8412 SendToProgram("easy\n", cps->other);
8419 /* This method is only useful on engines that support ping */
8420 if (cps->lastPing != cps->lastPong) {
8421 if (gameMode == BeginningOfGame) {
8422 /* Extra move from before last new; ignore */
8423 if (appData.debugMode) {
8424 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8427 if (appData.debugMode) {
8428 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8429 cps->which, gameMode);
8432 SendToProgram("undo\n", cps);
8438 case BeginningOfGame:
8439 /* Extra move from before last reset; ignore */
8440 if (appData.debugMode) {
8441 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8448 /* Extra move after we tried to stop. The mode test is
8449 not a reliable way of detecting this problem, but it's
8450 the best we can do on engines that don't support ping.
8452 if (appData.debugMode) {
8453 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8454 cps->which, gameMode);
8456 SendToProgram("undo\n", cps);
8459 case MachinePlaysWhite:
8460 case IcsPlayingWhite:
8461 machineWhite = TRUE;
8464 case MachinePlaysBlack:
8465 case IcsPlayingBlack:
8466 machineWhite = FALSE;
8469 case TwoMachinesPlay:
8470 machineWhite = (cps->twoMachinesColor[0] == 'w');
8473 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8474 if (appData.debugMode) {
8476 "Ignoring move out of turn by %s, gameMode %d"
8477 ", forwardMost %d\n",
8478 cps->which, gameMode, forwardMostMove);
8483 if(cps->alphaRank) AlphaRank(machineMove, 4);
8485 // [HGM] lion: (some very limited) support for Alien protocol
8487 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8488 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8490 } else if(firstLeg[0]) { // there was a previous leg;
8491 // only support case where same piece makes two step (and don't even test that!)
8492 char buf[20], *p = machineMove+1, *q = buf+1, f;
8493 safeStrCpy(buf, machineMove, 20);
8494 while(isdigit(*q)) q++; // find start of to-square
8495 safeStrCpy(machineMove, firstLeg, 20);
8496 while(isdigit(*p)) p++;
8497 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8498 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8499 firstLeg[0] = NULLCHAR;
8502 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8503 &fromX, &fromY, &toX, &toY, &promoChar)) {
8504 /* Machine move could not be parsed; ignore it. */
8505 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8506 machineMove, _(cps->which));
8507 DisplayMoveError(buf1);
8508 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8509 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8510 if (gameMode == TwoMachinesPlay) {
8511 GameEnds(machineWhite ? BlackWins : WhiteWins,
8517 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8518 /* So we have to redo legality test with true e.p. status here, */
8519 /* to make sure an illegal e.p. capture does not slip through, */
8520 /* to cause a forfeit on a justified illegal-move complaint */
8521 /* of the opponent. */
8522 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8524 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8525 fromY, fromX, toY, toX, promoChar);
8526 if(moveType == IllegalMove) {
8527 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8528 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8529 GameEnds(machineWhite ? BlackWins : WhiteWins,
8532 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8533 /* [HGM] Kludge to handle engines that send FRC-style castling
8534 when they shouldn't (like TSCP-Gothic) */
8536 case WhiteASideCastleFR:
8537 case BlackASideCastleFR:
8539 currentMoveString[2]++;
8541 case WhiteHSideCastleFR:
8542 case BlackHSideCastleFR:
8544 currentMoveString[2]--;
8546 default: ; // nothing to do, but suppresses warning of pedantic compilers
8549 hintRequested = FALSE;
8550 lastHint[0] = NULLCHAR;
8551 bookRequested = FALSE;
8552 /* Program may be pondering now */
8553 cps->maybeThinking = TRUE;
8554 if (cps->sendTime == 2) cps->sendTime = 1;
8555 if (cps->offeredDraw) cps->offeredDraw--;
8557 /* [AS] Save move info*/
8558 pvInfoList[ forwardMostMove ].score = programStats.score;
8559 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8560 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8562 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8564 /* Test suites abort the 'game' after one move */
8565 if(*appData.finger) {
8567 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8568 if(!f) f = fopen(appData.finger, "w");
8569 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8570 else { DisplayFatalError("Bad output file", errno, 0); return; }
8572 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8575 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8576 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8579 while( count < adjudicateLossPlies ) {
8580 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8583 score = -score; /* Flip score for winning side */
8586 if( score > adjudicateLossThreshold ) {
8593 if( count >= adjudicateLossPlies ) {
8594 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8596 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8597 "Xboard adjudication",
8604 if(Adjudicate(cps)) {
8605 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8606 return; // [HGM] adjudicate: for all automatic game ends
8610 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8612 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8613 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8615 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8617 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8619 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8620 char buf[3*MSG_SIZ];
8622 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8623 programStats.score / 100.,
8625 programStats.time / 100.,
8626 (unsigned int)programStats.nodes,
8627 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8628 programStats.movelist);
8630 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8635 /* [AS] Clear stats for next move */
8636 ClearProgramStats();
8637 thinkOutput[0] = NULLCHAR;
8638 hiddenThinkOutputState = 0;
8641 if (gameMode == TwoMachinesPlay) {
8642 /* [HGM] relaying draw offers moved to after reception of move */
8643 /* and interpreting offer as claim if it brings draw condition */
8644 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8645 SendToProgram("draw\n", cps->other);
8647 if (cps->other->sendTime) {
8648 SendTimeRemaining(cps->other,
8649 cps->other->twoMachinesColor[0] == 'w');
8651 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8652 if (firstMove && !bookHit) {
8654 if (cps->other->useColors) {
8655 SendToProgram(cps->other->twoMachinesColor, cps->other);
8657 SendToProgram("go\n", cps->other);
8659 cps->other->maybeThinking = TRUE;
8662 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8664 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8666 if (!pausing && appData.ringBellAfterMoves) {
8667 if(!roar) RingBell();
8671 * Reenable menu items that were disabled while
8672 * machine was thinking
8674 if (gameMode != TwoMachinesPlay)
8675 SetUserThinkingEnables();
8677 // [HGM] book: after book hit opponent has received move and is now in force mode
8678 // force the book reply into it, and then fake that it outputted this move by jumping
8679 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8681 static char bookMove[MSG_SIZ]; // a bit generous?
8683 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8684 strcat(bookMove, bookHit);
8687 programStats.nodes = programStats.depth = programStats.time =
8688 programStats.score = programStats.got_only_move = 0;
8689 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8691 if(cps->lastPing != cps->lastPong) {
8692 savedMessage = message; // args for deferred call
8694 ScheduleDelayedEvent(DeferredBookMove, 10);
8703 /* Set special modes for chess engines. Later something general
8704 * could be added here; for now there is just one kludge feature,
8705 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8706 * when "xboard" is given as an interactive command.
8708 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8709 cps->useSigint = FALSE;
8710 cps->useSigterm = FALSE;
8712 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8713 ParseFeatures(message+8, cps);
8714 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8717 if (!strncmp(message, "setup ", 6) &&
8718 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8719 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8720 ) { // [HGM] allow first engine to define opening position
8721 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8722 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8724 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8725 if(startedFromSetupPosition) return;
8726 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8728 while(message[s] && message[s++] != ' ');
8729 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8730 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8731 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8732 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8733 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8734 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8737 ParseFEN(boards[0], &dummy, message+s, FALSE);
8738 DrawPosition(TRUE, boards[0]);
8739 startedFromSetupPosition = TRUE;
8742 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8743 * want this, I was asked to put it in, and obliged.
8745 if (!strncmp(message, "setboard ", 9)) {
8746 Board initial_position;
8748 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8750 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8751 DisplayError(_("Bad FEN received from engine"), 0);
8755 CopyBoard(boards[0], initial_position);
8756 initialRulePlies = FENrulePlies;
8757 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8758 else gameMode = MachinePlaysBlack;
8759 DrawPosition(FALSE, boards[currentMove]);
8765 * Look for communication commands
8767 if (!strncmp(message, "telluser ", 9)) {
8768 if(message[9] == '\\' && message[10] == '\\')
8769 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8771 DisplayNote(message + 9);
8774 if (!strncmp(message, "tellusererror ", 14)) {
8776 if(message[14] == '\\' && message[15] == '\\')
8777 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8779 DisplayError(message + 14, 0);
8782 if (!strncmp(message, "tellopponent ", 13)) {
8783 if (appData.icsActive) {
8785 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8789 DisplayNote(message + 13);
8793 if (!strncmp(message, "tellothers ", 11)) {
8794 if (appData.icsActive) {
8796 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8799 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8802 if (!strncmp(message, "tellall ", 8)) {
8803 if (appData.icsActive) {
8805 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8809 DisplayNote(message + 8);
8813 if (strncmp(message, "warning", 7) == 0) {
8814 /* Undocumented feature, use tellusererror in new code */
8815 DisplayError(message, 0);
8818 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8819 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8820 strcat(realname, " query");
8821 AskQuestion(realname, buf2, buf1, cps->pr);
8824 /* Commands from the engine directly to ICS. We don't allow these to be
8825 * sent until we are logged on. Crafty kibitzes have been known to
8826 * interfere with the login process.
8829 if (!strncmp(message, "tellics ", 8)) {
8830 SendToICS(message + 8);
8834 if (!strncmp(message, "tellicsnoalias ", 15)) {
8835 SendToICS(ics_prefix);
8836 SendToICS(message + 15);
8840 /* The following are for backward compatibility only */
8841 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8842 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8843 SendToICS(ics_prefix);
8849 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8850 if(initPing == cps->lastPong) {
8851 if(gameInfo.variant == VariantUnknown) {
8852 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
8853 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
8854 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8860 if(!strncmp(message, "highlight ", 10)) {
8861 if(appData.testLegality && appData.markers) return;
8862 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8865 if(!strncmp(message, "click ", 6)) {
8866 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8867 if(appData.testLegality || !appData.oneClick) return;
8868 sscanf(message+6, "%c%d%c", &f, &y, &c);
8869 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8870 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8871 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8872 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8873 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8874 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8875 LeftClick(Release, lastLeftX, lastLeftY);
8876 controlKey = (c == ',');
8877 LeftClick(Press, x, y);
8878 LeftClick(Release, x, y);
8879 first.highlight = f;
8883 * If the move is illegal, cancel it and redraw the board.
8884 * Also deal with other error cases. Matching is rather loose
8885 * here to accommodate engines written before the spec.
8887 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8888 strncmp(message, "Error", 5) == 0) {
8889 if (StrStr(message, "name") ||
8890 StrStr(message, "rating") || StrStr(message, "?") ||
8891 StrStr(message, "result") || StrStr(message, "board") ||
8892 StrStr(message, "bk") || StrStr(message, "computer") ||
8893 StrStr(message, "variant") || StrStr(message, "hint") ||
8894 StrStr(message, "random") || StrStr(message, "depth") ||
8895 StrStr(message, "accepted")) {
8898 if (StrStr(message, "protover")) {
8899 /* Program is responding to input, so it's apparently done
8900 initializing, and this error message indicates it is
8901 protocol version 1. So we don't need to wait any longer
8902 for it to initialize and send feature commands. */
8903 FeatureDone(cps, 1);
8904 cps->protocolVersion = 1;
8907 cps->maybeThinking = FALSE;
8909 if (StrStr(message, "draw")) {
8910 /* Program doesn't have "draw" command */
8911 cps->sendDrawOffers = 0;
8914 if (cps->sendTime != 1 &&
8915 (StrStr(message, "time") || StrStr(message, "otim"))) {
8916 /* Program apparently doesn't have "time" or "otim" command */
8920 if (StrStr(message, "analyze")) {
8921 cps->analysisSupport = FALSE;
8922 cps->analyzing = FALSE;
8923 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8924 EditGameEvent(); // [HGM] try to preserve loaded game
8925 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8926 DisplayError(buf2, 0);
8929 if (StrStr(message, "(no matching move)st")) {
8930 /* Special kludge for GNU Chess 4 only */
8931 cps->stKludge = TRUE;
8932 SendTimeControl(cps, movesPerSession, timeControl,
8933 timeIncrement, appData.searchDepth,
8937 if (StrStr(message, "(no matching move)sd")) {
8938 /* Special kludge for GNU Chess 4 only */
8939 cps->sdKludge = TRUE;
8940 SendTimeControl(cps, movesPerSession, timeControl,
8941 timeIncrement, appData.searchDepth,
8945 if (!StrStr(message, "llegal")) {
8948 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8949 gameMode == IcsIdle) return;
8950 if (forwardMostMove <= backwardMostMove) return;
8951 if (pausing) PauseEvent();
8952 if(appData.forceIllegal) {
8953 // [HGM] illegal: machine refused move; force position after move into it
8954 SendToProgram("force\n", cps);
8955 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8956 // we have a real problem now, as SendBoard will use the a2a3 kludge
8957 // when black is to move, while there might be nothing on a2 or black
8958 // might already have the move. So send the board as if white has the move.
8959 // But first we must change the stm of the engine, as it refused the last move
8960 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8961 if(WhiteOnMove(forwardMostMove)) {
8962 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8963 SendBoard(cps, forwardMostMove); // kludgeless board
8965 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8966 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8967 SendBoard(cps, forwardMostMove+1); // kludgeless board
8969 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8970 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8971 gameMode == TwoMachinesPlay)
8972 SendToProgram("go\n", cps);
8975 if (gameMode == PlayFromGameFile) {
8976 /* Stop reading this game file */
8977 gameMode = EditGame;
8980 /* [HGM] illegal-move claim should forfeit game when Xboard */
8981 /* only passes fully legal moves */
8982 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8983 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8984 "False illegal-move claim", GE_XBOARD );
8985 return; // do not take back move we tested as valid
8987 currentMove = forwardMostMove-1;
8988 DisplayMove(currentMove-1); /* before DisplayMoveError */
8989 SwitchClocks(forwardMostMove-1); // [HGM] race
8990 DisplayBothClocks();
8991 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8992 parseList[currentMove], _(cps->which));
8993 DisplayMoveError(buf1);
8994 DrawPosition(FALSE, boards[currentMove]);
8996 SetUserThinkingEnables();
8999 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9000 /* Program has a broken "time" command that
9001 outputs a string not ending in newline.
9007 * If chess program startup fails, exit with an error message.
9008 * Attempts to recover here are futile. [HGM] Well, we try anyway
9010 if ((StrStr(message, "unknown host") != NULL)
9011 || (StrStr(message, "No remote directory") != NULL)
9012 || (StrStr(message, "not found") != NULL)
9013 || (StrStr(message, "No such file") != NULL)
9014 || (StrStr(message, "can't alloc") != NULL)
9015 || (StrStr(message, "Permission denied") != NULL)) {
9017 cps->maybeThinking = FALSE;
9018 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9019 _(cps->which), cps->program, cps->host, message);
9020 RemoveInputSource(cps->isr);
9021 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9022 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9023 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9029 * Look for hint output
9031 if (sscanf(message, "Hint: %s", buf1) == 1) {
9032 if (cps == &first && hintRequested) {
9033 hintRequested = FALSE;
9034 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9035 &fromX, &fromY, &toX, &toY, &promoChar)) {
9036 (void) CoordsToAlgebraic(boards[forwardMostMove],
9037 PosFlags(forwardMostMove),
9038 fromY, fromX, toY, toX, promoChar, buf1);
9039 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9040 DisplayInformation(buf2);
9042 /* Hint move could not be parsed!? */
9043 snprintf(buf2, sizeof(buf2),
9044 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9045 buf1, _(cps->which));
9046 DisplayError(buf2, 0);
9049 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9055 * Ignore other messages if game is not in progress
9057 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9058 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9061 * look for win, lose, draw, or draw offer
9063 if (strncmp(message, "1-0", 3) == 0) {
9064 char *p, *q, *r = "";
9065 p = strchr(message, '{');
9073 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9075 } else if (strncmp(message, "0-1", 3) == 0) {
9076 char *p, *q, *r = "";
9077 p = strchr(message, '{');
9085 /* Kludge for Arasan 4.1 bug */
9086 if (strcmp(r, "Black resigns") == 0) {
9087 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9090 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9092 } else if (strncmp(message, "1/2", 3) == 0) {
9093 char *p, *q, *r = "";
9094 p = strchr(message, '{');
9103 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9106 } else if (strncmp(message, "White resign", 12) == 0) {
9107 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9109 } else if (strncmp(message, "Black resign", 12) == 0) {
9110 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9112 } else if (strncmp(message, "White matches", 13) == 0 ||
9113 strncmp(message, "Black matches", 13) == 0 ) {
9114 /* [HGM] ignore GNUShogi noises */
9116 } else if (strncmp(message, "White", 5) == 0 &&
9117 message[5] != '(' &&
9118 StrStr(message, "Black") == NULL) {
9119 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9121 } else if (strncmp(message, "Black", 5) == 0 &&
9122 message[5] != '(') {
9123 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9125 } else if (strcmp(message, "resign") == 0 ||
9126 strcmp(message, "computer resigns") == 0) {
9128 case MachinePlaysBlack:
9129 case IcsPlayingBlack:
9130 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9132 case MachinePlaysWhite:
9133 case IcsPlayingWhite:
9134 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9136 case TwoMachinesPlay:
9137 if (cps->twoMachinesColor[0] == 'w')
9138 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9140 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9147 } else if (strncmp(message, "opponent mates", 14) == 0) {
9149 case MachinePlaysBlack:
9150 case IcsPlayingBlack:
9151 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9153 case MachinePlaysWhite:
9154 case IcsPlayingWhite:
9155 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9157 case TwoMachinesPlay:
9158 if (cps->twoMachinesColor[0] == 'w')
9159 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9161 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9168 } else if (strncmp(message, "computer mates", 14) == 0) {
9170 case MachinePlaysBlack:
9171 case IcsPlayingBlack:
9172 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9174 case MachinePlaysWhite:
9175 case IcsPlayingWhite:
9176 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9178 case TwoMachinesPlay:
9179 if (cps->twoMachinesColor[0] == 'w')
9180 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9182 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9189 } else if (strncmp(message, "checkmate", 9) == 0) {
9190 if (WhiteOnMove(forwardMostMove)) {
9191 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9193 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9196 } else if (strstr(message, "Draw") != NULL ||
9197 strstr(message, "game is a draw") != NULL) {
9198 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9200 } else if (strstr(message, "offer") != NULL &&
9201 strstr(message, "draw") != NULL) {
9203 if (appData.zippyPlay && first.initDone) {
9204 /* Relay offer to ICS */
9205 SendToICS(ics_prefix);
9206 SendToICS("draw\n");
9209 cps->offeredDraw = 2; /* valid until this engine moves twice */
9210 if (gameMode == TwoMachinesPlay) {
9211 if (cps->other->offeredDraw) {
9212 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9213 /* [HGM] in two-machine mode we delay relaying draw offer */
9214 /* until after we also have move, to see if it is really claim */
9216 } else if (gameMode == MachinePlaysWhite ||
9217 gameMode == MachinePlaysBlack) {
9218 if (userOfferedDraw) {
9219 DisplayInformation(_("Machine accepts your draw offer"));
9220 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9222 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9229 * Look for thinking output
9231 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9232 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9234 int plylev, mvleft, mvtot, curscore, time;
9235 char mvname[MOVE_LEN];
9239 int prefixHint = FALSE;
9240 mvname[0] = NULLCHAR;
9243 case MachinePlaysBlack:
9244 case IcsPlayingBlack:
9245 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9247 case MachinePlaysWhite:
9248 case IcsPlayingWhite:
9249 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9254 case IcsObserving: /* [DM] icsEngineAnalyze */
9255 if (!appData.icsEngineAnalyze) ignore = TRUE;
9257 case TwoMachinesPlay:
9258 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9268 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9270 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9271 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9273 if (plyext != ' ' && plyext != '\t') {
9277 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9278 if( cps->scoreIsAbsolute &&
9279 ( gameMode == MachinePlaysBlack ||
9280 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9281 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9282 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9283 !WhiteOnMove(currentMove)
9286 curscore = -curscore;
9289 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9291 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9294 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9295 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9296 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9297 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9298 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9299 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9303 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9304 DisplayError(_("failed writing PV"), 0);
9307 tempStats.depth = plylev;
9308 tempStats.nodes = nodes;
9309 tempStats.time = time;
9310 tempStats.score = curscore;
9311 tempStats.got_only_move = 0;
9313 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9316 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9317 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9318 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9319 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9320 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9321 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9322 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9323 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9326 /* Buffer overflow protection */
9327 if (pv[0] != NULLCHAR) {
9328 if (strlen(pv) >= sizeof(tempStats.movelist)
9329 && appData.debugMode) {
9331 "PV is too long; using the first %u bytes.\n",
9332 (unsigned) sizeof(tempStats.movelist) - 1);
9335 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9337 sprintf(tempStats.movelist, " no PV\n");
9340 if (tempStats.seen_stat) {
9341 tempStats.ok_to_send = 1;
9344 if (strchr(tempStats.movelist, '(') != NULL) {
9345 tempStats.line_is_book = 1;
9346 tempStats.nr_moves = 0;
9347 tempStats.moves_left = 0;
9349 tempStats.line_is_book = 0;
9352 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9353 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9355 SendProgramStatsToFrontend( cps, &tempStats );
9358 [AS] Protect the thinkOutput buffer from overflow... this
9359 is only useful if buf1 hasn't overflowed first!
9361 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9363 (gameMode == TwoMachinesPlay ?
9364 ToUpper(cps->twoMachinesColor[0]) : ' '),
9365 ((double) curscore) / 100.0,
9366 prefixHint ? lastHint : "",
9367 prefixHint ? " " : "" );
9369 if( buf1[0] != NULLCHAR ) {
9370 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9372 if( strlen(pv) > max_len ) {
9373 if( appData.debugMode) {
9374 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9376 pv[max_len+1] = '\0';
9379 strcat( thinkOutput, pv);
9382 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9383 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9384 DisplayMove(currentMove - 1);
9388 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9389 /* crafty (9.25+) says "(only move) <move>"
9390 * if there is only 1 legal move
9392 sscanf(p, "(only move) %s", buf1);
9393 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9394 sprintf(programStats.movelist, "%s (only move)", buf1);
9395 programStats.depth = 1;
9396 programStats.nr_moves = 1;
9397 programStats.moves_left = 1;
9398 programStats.nodes = 1;
9399 programStats.time = 1;
9400 programStats.got_only_move = 1;
9402 /* Not really, but we also use this member to
9403 mean "line isn't going to change" (Crafty
9404 isn't searching, so stats won't change) */
9405 programStats.line_is_book = 1;
9407 SendProgramStatsToFrontend( cps, &programStats );
9409 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9410 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9411 DisplayMove(currentMove - 1);
9414 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9415 &time, &nodes, &plylev, &mvleft,
9416 &mvtot, mvname) >= 5) {
9417 /* The stat01: line is from Crafty (9.29+) in response
9418 to the "." command */
9419 programStats.seen_stat = 1;
9420 cps->maybeThinking = TRUE;
9422 if (programStats.got_only_move || !appData.periodicUpdates)
9425 programStats.depth = plylev;
9426 programStats.time = time;
9427 programStats.nodes = nodes;
9428 programStats.moves_left = mvleft;
9429 programStats.nr_moves = mvtot;
9430 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9431 programStats.ok_to_send = 1;
9432 programStats.movelist[0] = '\0';
9434 SendProgramStatsToFrontend( cps, &programStats );
9438 } else if (strncmp(message,"++",2) == 0) {
9439 /* Crafty 9.29+ outputs this */
9440 programStats.got_fail = 2;
9443 } else if (strncmp(message,"--",2) == 0) {
9444 /* Crafty 9.29+ outputs this */
9445 programStats.got_fail = 1;
9448 } else if (thinkOutput[0] != NULLCHAR &&
9449 strncmp(message, " ", 4) == 0) {
9450 unsigned message_len;
9453 while (*p && *p == ' ') p++;
9455 message_len = strlen( p );
9457 /* [AS] Avoid buffer overflow */
9458 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9459 strcat(thinkOutput, " ");
9460 strcat(thinkOutput, p);
9463 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9464 strcat(programStats.movelist, " ");
9465 strcat(programStats.movelist, p);
9468 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9469 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9470 DisplayMove(currentMove - 1);
9478 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9479 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9481 ChessProgramStats cpstats;
9483 if (plyext != ' ' && plyext != '\t') {
9487 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9488 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9489 curscore = -curscore;
9492 cpstats.depth = plylev;
9493 cpstats.nodes = nodes;
9494 cpstats.time = time;
9495 cpstats.score = curscore;
9496 cpstats.got_only_move = 0;
9497 cpstats.movelist[0] = '\0';
9499 if (buf1[0] != NULLCHAR) {
9500 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9503 cpstats.ok_to_send = 0;
9504 cpstats.line_is_book = 0;
9505 cpstats.nr_moves = 0;
9506 cpstats.moves_left = 0;
9508 SendProgramStatsToFrontend( cps, &cpstats );
9515 /* Parse a game score from the character string "game", and
9516 record it as the history of the current game. The game
9517 score is NOT assumed to start from the standard position.
9518 The display is not updated in any way.
9521 ParseGameHistory (char *game)
9524 int fromX, fromY, toX, toY, boardIndex;
9529 if (appData.debugMode)
9530 fprintf(debugFP, "Parsing game history: %s\n", game);
9532 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9533 gameInfo.site = StrSave(appData.icsHost);
9534 gameInfo.date = PGNDate();
9535 gameInfo.round = StrSave("-");
9537 /* Parse out names of players */
9538 while (*game == ' ') game++;
9540 while (*game != ' ') *p++ = *game++;
9542 gameInfo.white = StrSave(buf);
9543 while (*game == ' ') game++;
9545 while (*game != ' ' && *game != '\n') *p++ = *game++;
9547 gameInfo.black = StrSave(buf);
9550 boardIndex = blackPlaysFirst ? 1 : 0;
9553 yyboardindex = boardIndex;
9554 moveType = (ChessMove) Myylex();
9556 case IllegalMove: /* maybe suicide chess, etc. */
9557 if (appData.debugMode) {
9558 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9559 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9560 setbuf(debugFP, NULL);
9562 case WhitePromotion:
9563 case BlackPromotion:
9564 case WhiteNonPromotion:
9565 case BlackNonPromotion:
9568 case WhiteCapturesEnPassant:
9569 case BlackCapturesEnPassant:
9570 case WhiteKingSideCastle:
9571 case WhiteQueenSideCastle:
9572 case BlackKingSideCastle:
9573 case BlackQueenSideCastle:
9574 case WhiteKingSideCastleWild:
9575 case WhiteQueenSideCastleWild:
9576 case BlackKingSideCastleWild:
9577 case BlackQueenSideCastleWild:
9579 case WhiteHSideCastleFR:
9580 case WhiteASideCastleFR:
9581 case BlackHSideCastleFR:
9582 case BlackASideCastleFR:
9584 fromX = currentMoveString[0] - AAA;
9585 fromY = currentMoveString[1] - ONE;
9586 toX = currentMoveString[2] - AAA;
9587 toY = currentMoveString[3] - ONE;
9588 promoChar = currentMoveString[4];
9592 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9593 fromX = moveType == WhiteDrop ?
9594 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9595 (int) CharToPiece(ToLower(currentMoveString[0]));
9597 toX = currentMoveString[2] - AAA;
9598 toY = currentMoveString[3] - ONE;
9599 promoChar = NULLCHAR;
9603 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9604 if (appData.debugMode) {
9605 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9606 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9607 setbuf(debugFP, NULL);
9609 DisplayError(buf, 0);
9611 case ImpossibleMove:
9613 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9614 if (appData.debugMode) {
9615 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9616 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9617 setbuf(debugFP, NULL);
9619 DisplayError(buf, 0);
9622 if (boardIndex < backwardMostMove) {
9623 /* Oops, gap. How did that happen? */
9624 DisplayError(_("Gap in move list"), 0);
9627 backwardMostMove = blackPlaysFirst ? 1 : 0;
9628 if (boardIndex > forwardMostMove) {
9629 forwardMostMove = boardIndex;
9633 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9634 strcat(parseList[boardIndex-1], " ");
9635 strcat(parseList[boardIndex-1], yy_text);
9647 case GameUnfinished:
9648 if (gameMode == IcsExamining) {
9649 if (boardIndex < backwardMostMove) {
9650 /* Oops, gap. How did that happen? */
9653 backwardMostMove = blackPlaysFirst ? 1 : 0;
9656 gameInfo.result = moveType;
9657 p = strchr(yy_text, '{');
9658 if (p == NULL) p = strchr(yy_text, '(');
9661 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9663 q = strchr(p, *p == '{' ? '}' : ')');
9664 if (q != NULL) *q = NULLCHAR;
9667 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9668 gameInfo.resultDetails = StrSave(p);
9671 if (boardIndex >= forwardMostMove &&
9672 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9673 backwardMostMove = blackPlaysFirst ? 1 : 0;
9676 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9677 fromY, fromX, toY, toX, promoChar,
9678 parseList[boardIndex]);
9679 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9680 /* currentMoveString is set as a side-effect of yylex */
9681 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9682 strcat(moveList[boardIndex], "\n");
9684 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9685 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9691 if(gameInfo.variant != VariantShogi)
9692 strcat(parseList[boardIndex - 1], "+");
9696 strcat(parseList[boardIndex - 1], "#");
9703 /* Apply a move to the given board */
9705 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9707 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9708 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9710 /* [HGM] compute & store e.p. status and castling rights for new position */
9711 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9713 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9714 oldEP = (signed char)board[EP_STATUS];
9715 board[EP_STATUS] = EP_NONE;
9717 if (fromY == DROP_RANK) {
9719 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9720 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9723 piece = board[toY][toX] = (ChessSquare) fromX;
9728 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9729 victim = board[killY][killX],
9730 board[killY][killX] = EmptySquare,
9731 board[EP_STATUS] = EP_CAPTURE;
9733 if( board[toY][toX] != EmptySquare ) {
9734 board[EP_STATUS] = EP_CAPTURE;
9735 if( (fromX != toX || fromY != toY) && // not igui!
9736 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9737 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9738 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9742 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9743 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9744 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9746 if( board[fromY][fromX] == WhitePawn ) {
9747 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9748 board[EP_STATUS] = EP_PAWN_MOVE;
9750 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9751 gameInfo.variant != VariantBerolina || toX < fromX)
9752 board[EP_STATUS] = toX | berolina;
9753 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9754 gameInfo.variant != VariantBerolina || toX > fromX)
9755 board[EP_STATUS] = toX;
9758 if( board[fromY][fromX] == BlackPawn ) {
9759 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9760 board[EP_STATUS] = EP_PAWN_MOVE;
9761 if( toY-fromY== -2) {
9762 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9763 gameInfo.variant != VariantBerolina || toX < fromX)
9764 board[EP_STATUS] = toX | berolina;
9765 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9766 gameInfo.variant != VariantBerolina || toX > fromX)
9767 board[EP_STATUS] = toX;
9771 for(i=0; i<nrCastlingRights; i++) {
9772 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9773 board[CASTLING][i] == toX && castlingRank[i] == toY
9774 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9777 if(gameInfo.variant == VariantSChess) { // update virginity
9778 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9779 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9780 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9781 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9784 if (fromX == toX && fromY == toY) return;
9786 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9787 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9788 if(gameInfo.variant == VariantKnightmate)
9789 king += (int) WhiteUnicorn - (int) WhiteKing;
9791 /* Code added by Tord: */
9792 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9793 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9794 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9795 board[fromY][fromX] = EmptySquare;
9796 board[toY][toX] = EmptySquare;
9797 if((toX > fromX) != (piece == WhiteRook)) {
9798 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9800 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9802 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9803 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9804 board[fromY][fromX] = EmptySquare;
9805 board[toY][toX] = EmptySquare;
9806 if((toX > fromX) != (piece == BlackRook)) {
9807 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9809 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9811 /* End of code added by Tord */
9813 } else if (board[fromY][fromX] == king
9814 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9815 && toY == fromY && toX > fromX+1) {
9816 board[fromY][fromX] = EmptySquare;
9817 board[toY][toX] = king;
9818 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9819 board[fromY][BOARD_RGHT-1] = EmptySquare;
9820 } else if (board[fromY][fromX] == king
9821 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9822 && toY == fromY && toX < fromX-1) {
9823 board[fromY][fromX] = EmptySquare;
9824 board[toY][toX] = king;
9825 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9826 board[fromY][BOARD_LEFT] = EmptySquare;
9827 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9828 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9829 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9831 /* white pawn promotion */
9832 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9833 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9834 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9835 board[fromY][fromX] = EmptySquare;
9836 } else if ((fromY >= BOARD_HEIGHT>>1)
9837 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9839 && gameInfo.variant != VariantXiangqi
9840 && gameInfo.variant != VariantBerolina
9841 && (board[fromY][fromX] == WhitePawn)
9842 && (board[toY][toX] == EmptySquare)) {
9843 board[fromY][fromX] = EmptySquare;
9844 board[toY][toX] = WhitePawn;
9845 captured = board[toY - 1][toX];
9846 board[toY - 1][toX] = EmptySquare;
9847 } else if ((fromY == BOARD_HEIGHT-4)
9849 && gameInfo.variant == VariantBerolina
9850 && (board[fromY][fromX] == WhitePawn)
9851 && (board[toY][toX] == EmptySquare)) {
9852 board[fromY][fromX] = EmptySquare;
9853 board[toY][toX] = WhitePawn;
9854 if(oldEP & EP_BEROLIN_A) {
9855 captured = board[fromY][fromX-1];
9856 board[fromY][fromX-1] = EmptySquare;
9857 }else{ captured = board[fromY][fromX+1];
9858 board[fromY][fromX+1] = EmptySquare;
9860 } else if (board[fromY][fromX] == king
9861 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9862 && toY == fromY && toX > fromX+1) {
9863 board[fromY][fromX] = EmptySquare;
9864 board[toY][toX] = king;
9865 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9866 board[fromY][BOARD_RGHT-1] = EmptySquare;
9867 } else if (board[fromY][fromX] == king
9868 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9869 && toY == fromY && toX < fromX-1) {
9870 board[fromY][fromX] = EmptySquare;
9871 board[toY][toX] = king;
9872 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9873 board[fromY][BOARD_LEFT] = EmptySquare;
9874 } else if (fromY == 7 && fromX == 3
9875 && board[fromY][fromX] == BlackKing
9876 && toY == 7 && toX == 5) {
9877 board[fromY][fromX] = EmptySquare;
9878 board[toY][toX] = BlackKing;
9879 board[fromY][7] = EmptySquare;
9880 board[toY][4] = BlackRook;
9881 } else if (fromY == 7 && fromX == 3
9882 && board[fromY][fromX] == BlackKing
9883 && toY == 7 && toX == 1) {
9884 board[fromY][fromX] = EmptySquare;
9885 board[toY][toX] = BlackKing;
9886 board[fromY][0] = EmptySquare;
9887 board[toY][2] = BlackRook;
9888 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9889 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9890 && toY < promoRank && promoChar
9892 /* black pawn promotion */
9893 board[toY][toX] = CharToPiece(ToLower(promoChar));
9894 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9895 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9896 board[fromY][fromX] = EmptySquare;
9897 } else if ((fromY < BOARD_HEIGHT>>1)
9898 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9900 && gameInfo.variant != VariantXiangqi
9901 && gameInfo.variant != VariantBerolina
9902 && (board[fromY][fromX] == BlackPawn)
9903 && (board[toY][toX] == EmptySquare)) {
9904 board[fromY][fromX] = EmptySquare;
9905 board[toY][toX] = BlackPawn;
9906 captured = board[toY + 1][toX];
9907 board[toY + 1][toX] = EmptySquare;
9908 } else if ((fromY == 3)
9910 && gameInfo.variant == VariantBerolina
9911 && (board[fromY][fromX] == BlackPawn)
9912 && (board[toY][toX] == EmptySquare)) {
9913 board[fromY][fromX] = EmptySquare;
9914 board[toY][toX] = BlackPawn;
9915 if(oldEP & EP_BEROLIN_A) {
9916 captured = board[fromY][fromX-1];
9917 board[fromY][fromX-1] = EmptySquare;
9918 }else{ captured = board[fromY][fromX+1];
9919 board[fromY][fromX+1] = EmptySquare;
9922 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
9923 board[fromY][fromX] = EmptySquare;
9924 board[toY][toX] = piece;
9928 if (gameInfo.holdingsWidth != 0) {
9930 /* !!A lot more code needs to be written to support holdings */
9931 /* [HGM] OK, so I have written it. Holdings are stored in the */
9932 /* penultimate board files, so they are automaticlly stored */
9933 /* in the game history. */
9934 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9935 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9936 /* Delete from holdings, by decreasing count */
9937 /* and erasing image if necessary */
9938 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9939 if(p < (int) BlackPawn) { /* white drop */
9940 p -= (int)WhitePawn;
9941 p = PieceToNumber((ChessSquare)p);
9942 if(p >= gameInfo.holdingsSize) p = 0;
9943 if(--board[p][BOARD_WIDTH-2] <= 0)
9944 board[p][BOARD_WIDTH-1] = EmptySquare;
9945 if((int)board[p][BOARD_WIDTH-2] < 0)
9946 board[p][BOARD_WIDTH-2] = 0;
9947 } else { /* black drop */
9948 p -= (int)BlackPawn;
9949 p = PieceToNumber((ChessSquare)p);
9950 if(p >= gameInfo.holdingsSize) p = 0;
9951 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9952 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9953 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9954 board[BOARD_HEIGHT-1-p][1] = 0;
9957 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9958 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9959 /* [HGM] holdings: Add to holdings, if holdings exist */
9960 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9961 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9962 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9965 if (p >= (int) BlackPawn) {
9966 p -= (int)BlackPawn;
9967 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9968 /* in Shogi restore piece to its original first */
9969 captured = (ChessSquare) (DEMOTED captured);
9972 p = PieceToNumber((ChessSquare)p);
9973 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9974 board[p][BOARD_WIDTH-2]++;
9975 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9977 p -= (int)WhitePawn;
9978 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9979 captured = (ChessSquare) (DEMOTED captured);
9982 p = PieceToNumber((ChessSquare)p);
9983 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9984 board[BOARD_HEIGHT-1-p][1]++;
9985 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9988 } else if (gameInfo.variant == VariantAtomic) {
9989 if (captured != EmptySquare) {
9991 for (y = toY-1; y <= toY+1; y++) {
9992 for (x = toX-1; x <= toX+1; x++) {
9993 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9994 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9995 board[y][x] = EmptySquare;
9999 board[toY][toX] = EmptySquare;
10002 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10003 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10005 if(promoChar == '+') {
10006 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10007 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10008 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10009 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10010 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10011 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10012 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10013 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10014 board[toY][toX] = newPiece;
10016 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10017 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10018 // [HGM] superchess: take promotion piece out of holdings
10019 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10020 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10021 if(!--board[k][BOARD_WIDTH-2])
10022 board[k][BOARD_WIDTH-1] = EmptySquare;
10024 if(!--board[BOARD_HEIGHT-1-k][1])
10025 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10030 /* Updates forwardMostMove */
10032 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10034 int x = toX, y = toY;
10035 char *s = parseList[forwardMostMove];
10036 ChessSquare p = boards[forwardMostMove][toY][toX];
10037 // forwardMostMove++; // [HGM] bare: moved downstream
10039 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10040 (void) CoordsToAlgebraic(boards[forwardMostMove],
10041 PosFlags(forwardMostMove),
10042 fromY, fromX, y, x, promoChar,
10044 if(killX >= 0 && killY >= 0)
10045 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10047 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10048 int timeLeft; static int lastLoadFlag=0; int king, piece;
10049 piece = boards[forwardMostMove][fromY][fromX];
10050 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10051 if(gameInfo.variant == VariantKnightmate)
10052 king += (int) WhiteUnicorn - (int) WhiteKing;
10053 if(forwardMostMove == 0) {
10054 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10055 fprintf(serverMoves, "%s;", UserName());
10056 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10057 fprintf(serverMoves, "%s;", second.tidy);
10058 fprintf(serverMoves, "%s;", first.tidy);
10059 if(gameMode == MachinePlaysWhite)
10060 fprintf(serverMoves, "%s;", UserName());
10061 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10062 fprintf(serverMoves, "%s;", second.tidy);
10063 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10064 lastLoadFlag = loadFlag;
10066 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10067 // print castling suffix
10068 if( toY == fromY && piece == king ) {
10070 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10072 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10075 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10076 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10077 boards[forwardMostMove][toY][toX] == EmptySquare
10078 && fromX != toX && fromY != toY)
10079 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10080 // promotion suffix
10081 if(promoChar != NULLCHAR) {
10082 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10083 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10084 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10085 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10088 char buf[MOVE_LEN*2], *p; int len;
10089 fprintf(serverMoves, "/%d/%d",
10090 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10091 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10092 else timeLeft = blackTimeRemaining/1000;
10093 fprintf(serverMoves, "/%d", timeLeft);
10094 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10095 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10096 if(p = strchr(buf, '=')) *p = NULLCHAR;
10097 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10098 fprintf(serverMoves, "/%s", buf);
10100 fflush(serverMoves);
10103 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10104 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10107 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10108 if (commentList[forwardMostMove+1] != NULL) {
10109 free(commentList[forwardMostMove+1]);
10110 commentList[forwardMostMove+1] = NULL;
10112 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10113 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10114 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10115 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10116 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10117 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10118 adjustedClock = FALSE;
10119 gameInfo.result = GameUnfinished;
10120 if (gameInfo.resultDetails != NULL) {
10121 free(gameInfo.resultDetails);
10122 gameInfo.resultDetails = NULL;
10124 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10125 moveList[forwardMostMove - 1]);
10126 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10132 if(gameInfo.variant != VariantShogi)
10133 strcat(parseList[forwardMostMove - 1], "+");
10137 strcat(parseList[forwardMostMove - 1], "#");
10142 /* Updates currentMove if not pausing */
10144 ShowMove (int fromX, int fromY, int toX, int toY)
10146 int instant = (gameMode == PlayFromGameFile) ?
10147 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10148 if(appData.noGUI) return;
10149 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10151 if (forwardMostMove == currentMove + 1) {
10152 AnimateMove(boards[forwardMostMove - 1],
10153 fromX, fromY, toX, toY);
10156 currentMove = forwardMostMove;
10159 killX = killY = -1; // [HGM] lion: used up
10161 if (instant) return;
10163 DisplayMove(currentMove - 1);
10164 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10165 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10166 SetHighlights(fromX, fromY, toX, toY);
10169 DrawPosition(FALSE, boards[currentMove]);
10170 DisplayBothClocks();
10171 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10175 SendEgtPath (ChessProgramState *cps)
10176 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10177 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10179 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10182 char c, *q = name+1, *r, *s;
10184 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10185 while(*p && *p != ',') *q++ = *p++;
10186 *q++ = ':'; *q = 0;
10187 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10188 strcmp(name, ",nalimov:") == 0 ) {
10189 // take nalimov path from the menu-changeable option first, if it is defined
10190 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10191 SendToProgram(buf,cps); // send egtbpath command for nalimov
10193 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10194 (s = StrStr(appData.egtFormats, name)) != NULL) {
10195 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10196 s = r = StrStr(s, ":") + 1; // beginning of path info
10197 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10198 c = *r; *r = 0; // temporarily null-terminate path info
10199 *--q = 0; // strip of trailig ':' from name
10200 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10202 SendToProgram(buf,cps); // send egtbpath command for this format
10204 if(*p == ',') p++; // read away comma to position for next format name
10209 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10211 int width = 8, height = 8, holdings = 0; // most common sizes
10212 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10213 // correct the deviations default for each variant
10214 if( v == VariantXiangqi ) width = 9, height = 10;
10215 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10216 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10217 if( v == VariantCapablanca || v == VariantCapaRandom ||
10218 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10220 if( v == VariantCourier ) width = 12;
10221 if( v == VariantSuper ) holdings = 8;
10222 if( v == VariantGreat ) width = 10, holdings = 8;
10223 if( v == VariantSChess ) holdings = 7;
10224 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10225 if( v == VariantChuChess) width = 10, height = 10;
10226 if( v == VariantChu ) width = 12, height = 12;
10227 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10228 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10229 holdingsSize >= 0 && holdingsSize != holdings;
10232 char variantError[MSG_SIZ];
10235 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10236 { // returns error message (recognizable by upper-case) if engine does not support the variant
10237 char *p, *variant = VariantName(v);
10238 static char b[MSG_SIZ];
10239 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10240 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10241 holdingsSize, variant); // cook up sized variant name
10242 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10243 if(StrStr(list, b) == NULL) {
10244 // specific sized variant not known, check if general sizing allowed
10245 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10246 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10247 boardWidth, boardHeight, holdingsSize, engine);
10250 /* [HGM] here we really should compare with the maximum supported board size */
10252 } else snprintf(b, MSG_SIZ,"%s", variant);
10253 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10254 p = StrStr(list, b);
10255 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10257 // occurs not at all in list, or only as sub-string
10258 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10259 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10260 int l = strlen(variantError);
10262 while(p != list && p[-1] != ',') p--;
10263 q = strchr(p, ',');
10264 if(q) *q = NULLCHAR;
10265 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10274 InitChessProgram (ChessProgramState *cps, int setup)
10275 /* setup needed to setup FRC opening position */
10277 char buf[MSG_SIZ], *b;
10278 if (appData.noChessProgram) return;
10279 hintRequested = FALSE;
10280 bookRequested = FALSE;
10282 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10283 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10284 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10285 if(cps->memSize) { /* [HGM] memory */
10286 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10287 SendToProgram(buf, cps);
10289 SendEgtPath(cps); /* [HGM] EGT */
10290 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10291 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10292 SendToProgram(buf, cps);
10295 SendToProgram(cps->initString, cps);
10296 if (gameInfo.variant != VariantNormal &&
10297 gameInfo.variant != VariantLoadable
10298 /* [HGM] also send variant if board size non-standard */
10299 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10301 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10302 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10304 DisplayFatalError(variantError, 0, 1);
10308 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10309 SendToProgram(buf, cps);
10311 currentlyInitializedVariant = gameInfo.variant;
10313 /* [HGM] send opening position in FRC to first engine */
10315 SendToProgram("force\n", cps);
10317 /* engine is now in force mode! Set flag to wake it up after first move. */
10318 setboardSpoiledMachineBlack = 1;
10321 if (cps->sendICS) {
10322 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10323 SendToProgram(buf, cps);
10325 cps->maybeThinking = FALSE;
10326 cps->offeredDraw = 0;
10327 if (!appData.icsActive) {
10328 SendTimeControl(cps, movesPerSession, timeControl,
10329 timeIncrement, appData.searchDepth,
10332 if (appData.showThinking
10333 // [HGM] thinking: four options require thinking output to be sent
10334 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10336 SendToProgram("post\n", cps);
10338 SendToProgram("hard\n", cps);
10339 if (!appData.ponderNextMove) {
10340 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10341 it without being sure what state we are in first. "hard"
10342 is not a toggle, so that one is OK.
10344 SendToProgram("easy\n", cps);
10346 if (cps->usePing) {
10347 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10348 SendToProgram(buf, cps);
10350 cps->initDone = TRUE;
10351 ClearEngineOutputPane(cps == &second);
10356 ResendOptions (ChessProgramState *cps)
10357 { // send the stored value of the options
10360 Option *opt = cps->option;
10361 for(i=0; i<cps->nrOptions; i++, opt++) {
10362 switch(opt->type) {
10366 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10369 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10372 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10378 SendToProgram(buf, cps);
10383 StartChessProgram (ChessProgramState *cps)
10388 if (appData.noChessProgram) return;
10389 cps->initDone = FALSE;
10391 if (strcmp(cps->host, "localhost") == 0) {
10392 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10393 } else if (*appData.remoteShell == NULLCHAR) {
10394 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10396 if (*appData.remoteUser == NULLCHAR) {
10397 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10400 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10401 cps->host, appData.remoteUser, cps->program);
10403 err = StartChildProcess(buf, "", &cps->pr);
10407 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10408 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10409 if(cps != &first) return;
10410 appData.noChessProgram = TRUE;
10413 // DisplayFatalError(buf, err, 1);
10414 // cps->pr = NoProc;
10415 // cps->isr = NULL;
10419 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10420 if (cps->protocolVersion > 1) {
10421 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10422 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10423 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10424 cps->comboCnt = 0; // and values of combo boxes
10426 SendToProgram(buf, cps);
10427 if(cps->reload) ResendOptions(cps);
10429 SendToProgram("xboard\n", cps);
10434 TwoMachinesEventIfReady P((void))
10436 static int curMess = 0;
10437 if (first.lastPing != first.lastPong) {
10438 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10439 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10442 if (second.lastPing != second.lastPong) {
10443 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10444 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10447 DisplayMessage("", ""); curMess = 0;
10448 TwoMachinesEvent();
10452 MakeName (char *template)
10456 static char buf[MSG_SIZ];
10460 clock = time((time_t *)NULL);
10461 tm = localtime(&clock);
10463 while(*p++ = *template++) if(p[-1] == '%') {
10464 switch(*template++) {
10465 case 0: *p = 0; return buf;
10466 case 'Y': i = tm->tm_year+1900; break;
10467 case 'y': i = tm->tm_year-100; break;
10468 case 'M': i = tm->tm_mon+1; break;
10469 case 'd': i = tm->tm_mday; break;
10470 case 'h': i = tm->tm_hour; break;
10471 case 'm': i = tm->tm_min; break;
10472 case 's': i = tm->tm_sec; break;
10475 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10481 CountPlayers (char *p)
10484 while(p = strchr(p, '\n')) p++, n++; // count participants
10489 WriteTourneyFile (char *results, FILE *f)
10490 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10491 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10492 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10493 // create a file with tournament description
10494 fprintf(f, "-participants {%s}\n", appData.participants);
10495 fprintf(f, "-seedBase %d\n", appData.seedBase);
10496 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10497 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10498 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10499 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10500 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10501 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10502 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10503 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10504 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10505 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10506 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10507 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10508 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10509 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10510 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10511 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10512 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10513 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10514 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10515 fprintf(f, "-smpCores %d\n", appData.smpCores);
10517 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10519 fprintf(f, "-mps %d\n", appData.movesPerSession);
10520 fprintf(f, "-tc %s\n", appData.timeControl);
10521 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10523 fprintf(f, "-results \"%s\"\n", results);
10528 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10531 Substitute (char *participants, int expunge)
10533 int i, changed, changes=0, nPlayers=0;
10534 char *p, *q, *r, buf[MSG_SIZ];
10535 if(participants == NULL) return;
10536 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10537 r = p = participants; q = appData.participants;
10538 while(*p && *p == *q) {
10539 if(*p == '\n') r = p+1, nPlayers++;
10542 if(*p) { // difference
10543 while(*p && *p++ != '\n');
10544 while(*q && *q++ != '\n');
10545 changed = nPlayers;
10546 changes = 1 + (strcmp(p, q) != 0);
10548 if(changes == 1) { // a single engine mnemonic was changed
10549 q = r; while(*q) nPlayers += (*q++ == '\n');
10550 p = buf; while(*r && (*p = *r++) != '\n') p++;
10552 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10553 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10554 if(mnemonic[i]) { // The substitute is valid
10556 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10557 flock(fileno(f), LOCK_EX);
10558 ParseArgsFromFile(f);
10559 fseek(f, 0, SEEK_SET);
10560 FREE(appData.participants); appData.participants = participants;
10561 if(expunge) { // erase results of replaced engine
10562 int len = strlen(appData.results), w, b, dummy;
10563 for(i=0; i<len; i++) {
10564 Pairing(i, nPlayers, &w, &b, &dummy);
10565 if((w == changed || b == changed) && appData.results[i] == '*') {
10566 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10571 for(i=0; i<len; i++) {
10572 Pairing(i, nPlayers, &w, &b, &dummy);
10573 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10576 WriteTourneyFile(appData.results, f);
10577 fclose(f); // release lock
10580 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10582 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10583 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10584 free(participants);
10589 CheckPlayers (char *participants)
10592 char buf[MSG_SIZ], *p;
10593 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10594 while(p = strchr(participants, '\n')) {
10596 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10598 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10600 DisplayError(buf, 0);
10604 participants = p + 1;
10610 CreateTourney (char *name)
10613 if(matchMode && strcmp(name, appData.tourneyFile)) {
10614 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10616 if(name[0] == NULLCHAR) {
10617 if(appData.participants[0])
10618 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10621 f = fopen(name, "r");
10622 if(f) { // file exists
10623 ASSIGN(appData.tourneyFile, name);
10624 ParseArgsFromFile(f); // parse it
10626 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10627 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10628 DisplayError(_("Not enough participants"), 0);
10631 if(CheckPlayers(appData.participants)) return 0;
10632 ASSIGN(appData.tourneyFile, name);
10633 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10634 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10637 appData.noChessProgram = FALSE;
10638 appData.clockMode = TRUE;
10644 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10646 char buf[MSG_SIZ], *p, *q;
10647 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10648 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10649 skip = !all && group[0]; // if group requested, we start in skip mode
10650 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10651 p = names; q = buf; header = 0;
10652 while(*p && *p != '\n') *q++ = *p++;
10654 if(*p == '\n') p++;
10655 if(buf[0] == '#') {
10656 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10657 depth++; // we must be entering a new group
10658 if(all) continue; // suppress printing group headers when complete list requested
10660 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10662 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10663 if(engineList[i]) free(engineList[i]);
10664 engineList[i] = strdup(buf);
10665 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10666 if(engineMnemonic[i]) free(engineMnemonic[i]);
10667 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10669 sscanf(q + 8, "%s", buf + strlen(buf));
10672 engineMnemonic[i] = strdup(buf);
10675 engineList[i] = engineMnemonic[i] = NULL;
10679 // following implemented as macro to avoid type limitations
10680 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10683 SwapEngines (int n)
10684 { // swap settings for first engine and other engine (so far only some selected options)
10689 SWAP(chessProgram, p)
10691 SWAP(hasOwnBookUCI, h)
10692 SWAP(protocolVersion, h)
10694 SWAP(scoreIsAbsolute, h)
10699 SWAP(engOptions, p)
10700 SWAP(engInitString, p)
10701 SWAP(computerString, p)
10703 SWAP(fenOverride, p)
10705 SWAP(accumulateTC, h)
10710 GetEngineLine (char *s, int n)
10714 extern char *icsNames;
10715 if(!s || !*s) return 0;
10716 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10717 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10718 if(!mnemonic[i]) return 0;
10719 if(n == 11) return 1; // just testing if there was a match
10720 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10721 if(n == 1) SwapEngines(n);
10722 ParseArgsFromString(buf);
10723 if(n == 1) SwapEngines(n);
10724 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10725 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10726 ParseArgsFromString(buf);
10732 SetPlayer (int player, char *p)
10733 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10735 char buf[MSG_SIZ], *engineName;
10736 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10737 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10738 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10740 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10741 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10742 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10743 ParseArgsFromString(buf);
10744 } else { // no engine with this nickname is installed!
10745 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10746 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10747 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10749 DisplayError(buf, 0);
10756 char *recentEngines;
10759 RecentEngineEvent (int nr)
10762 // SwapEngines(1); // bump first to second
10763 // ReplaceEngine(&second, 1); // and load it there
10764 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10765 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10766 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10767 ReplaceEngine(&first, 0);
10768 FloatToFront(&appData.recentEngineList, command[n]);
10773 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10774 { // determine players from game number
10775 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10777 if(appData.tourneyType == 0) {
10778 roundsPerCycle = (nPlayers - 1) | 1;
10779 pairingsPerRound = nPlayers / 2;
10780 } else if(appData.tourneyType > 0) {
10781 roundsPerCycle = nPlayers - appData.tourneyType;
10782 pairingsPerRound = appData.tourneyType;
10784 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10785 gamesPerCycle = gamesPerRound * roundsPerCycle;
10786 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10787 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10788 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10789 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10790 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10791 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10793 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10794 if(appData.roundSync) *syncInterval = gamesPerRound;
10796 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10798 if(appData.tourneyType == 0) {
10799 if(curPairing == (nPlayers-1)/2 ) {
10800 *whitePlayer = curRound;
10801 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10803 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10804 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10805 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10806 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10808 } else if(appData.tourneyType > 1) {
10809 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10810 *whitePlayer = curRound + appData.tourneyType;
10811 } else if(appData.tourneyType > 0) {
10812 *whitePlayer = curPairing;
10813 *blackPlayer = curRound + appData.tourneyType;
10816 // take care of white/black alternation per round.
10817 // For cycles and games this is already taken care of by default, derived from matchGame!
10818 return curRound & 1;
10822 NextTourneyGame (int nr, int *swapColors)
10823 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10825 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10827 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10828 tf = fopen(appData.tourneyFile, "r");
10829 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10830 ParseArgsFromFile(tf); fclose(tf);
10831 InitTimeControls(); // TC might be altered from tourney file
10833 nPlayers = CountPlayers(appData.participants); // count participants
10834 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10835 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10838 p = q = appData.results;
10839 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10840 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10841 DisplayMessage(_("Waiting for other game(s)"),"");
10842 waitingForGame = TRUE;
10843 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10846 waitingForGame = FALSE;
10849 if(appData.tourneyType < 0) {
10850 if(nr>=0 && !pairingReceived) {
10852 if(pairing.pr == NoProc) {
10853 if(!appData.pairingEngine[0]) {
10854 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10857 StartChessProgram(&pairing); // starts the pairing engine
10859 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10860 SendToProgram(buf, &pairing);
10861 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10862 SendToProgram(buf, &pairing);
10863 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10865 pairingReceived = 0; // ... so we continue here
10867 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10868 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10869 matchGame = 1; roundNr = nr / syncInterval + 1;
10872 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10874 // redefine engines, engine dir, etc.
10875 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10876 if(first.pr == NoProc) {
10877 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10878 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10880 if(second.pr == NoProc) {
10882 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10883 SwapEngines(1); // and make that valid for second engine by swapping
10884 InitEngine(&second, 1);
10886 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10887 UpdateLogos(FALSE); // leave display to ModeHiglight()
10893 { // performs game initialization that does not invoke engines, and then tries to start the game
10894 int res, firstWhite, swapColors = 0;
10895 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10896 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
10898 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10899 if(strcmp(buf, currentDebugFile)) { // name has changed
10900 FILE *f = fopen(buf, "w");
10901 if(f) { // if opening the new file failed, just keep using the old one
10902 ASSIGN(currentDebugFile, buf);
10906 if(appData.serverFileName) {
10907 if(serverFP) fclose(serverFP);
10908 serverFP = fopen(appData.serverFileName, "w");
10909 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10910 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10914 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10915 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10916 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10917 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10918 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10919 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10920 Reset(FALSE, first.pr != NoProc);
10921 res = LoadGameOrPosition(matchGame); // setup game
10922 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10923 if(!res) return; // abort when bad game/pos file
10924 TwoMachinesEvent();
10928 UserAdjudicationEvent (int result)
10930 ChessMove gameResult = GameIsDrawn;
10933 gameResult = WhiteWins;
10935 else if( result < 0 ) {
10936 gameResult = BlackWins;
10939 if( gameMode == TwoMachinesPlay ) {
10940 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10945 // [HGM] save: calculate checksum of game to make games easily identifiable
10947 StringCheckSum (char *s)
10950 if(s==NULL) return 0;
10951 while(*s) i = i*259 + *s++;
10959 for(i=backwardMostMove; i<forwardMostMove; i++) {
10960 sum += pvInfoList[i].depth;
10961 sum += StringCheckSum(parseList[i]);
10962 sum += StringCheckSum(commentList[i]);
10965 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10966 return sum + StringCheckSum(commentList[i]);
10967 } // end of save patch
10970 GameEnds (ChessMove result, char *resultDetails, int whosays)
10972 GameMode nextGameMode;
10974 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10976 if(endingGame) return; /* [HGM] crash: forbid recursion */
10978 if(twoBoards) { // [HGM] dual: switch back to one board
10979 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10980 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10982 if (appData.debugMode) {
10983 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10984 result, resultDetails ? resultDetails : "(null)", whosays);
10987 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
10989 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10991 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10992 /* If we are playing on ICS, the server decides when the
10993 game is over, but the engine can offer to draw, claim
10997 if (appData.zippyPlay && first.initDone) {
10998 if (result == GameIsDrawn) {
10999 /* In case draw still needs to be claimed */
11000 SendToICS(ics_prefix);
11001 SendToICS("draw\n");
11002 } else if (StrCaseStr(resultDetails, "resign")) {
11003 SendToICS(ics_prefix);
11004 SendToICS("resign\n");
11008 endingGame = 0; /* [HGM] crash */
11012 /* If we're loading the game from a file, stop */
11013 if (whosays == GE_FILE) {
11014 (void) StopLoadGameTimer();
11018 /* Cancel draw offers */
11019 first.offeredDraw = second.offeredDraw = 0;
11021 /* If this is an ICS game, only ICS can really say it's done;
11022 if not, anyone can. */
11023 isIcsGame = (gameMode == IcsPlayingWhite ||
11024 gameMode == IcsPlayingBlack ||
11025 gameMode == IcsObserving ||
11026 gameMode == IcsExamining);
11028 if (!isIcsGame || whosays == GE_ICS) {
11029 /* OK -- not an ICS game, or ICS said it was done */
11031 if (!isIcsGame && !appData.noChessProgram)
11032 SetUserThinkingEnables();
11034 /* [HGM] if a machine claims the game end we verify this claim */
11035 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11036 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11038 ChessMove trueResult = (ChessMove) -1;
11040 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11041 first.twoMachinesColor[0] :
11042 second.twoMachinesColor[0] ;
11044 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11045 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11046 /* [HGM] verify: engine mate claims accepted if they were flagged */
11047 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11049 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11050 /* [HGM] verify: engine mate claims accepted if they were flagged */
11051 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11053 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11054 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11057 // now verify win claims, but not in drop games, as we don't understand those yet
11058 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11059 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11060 (result == WhiteWins && claimer == 'w' ||
11061 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11062 if (appData.debugMode) {
11063 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11064 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11066 if(result != trueResult) {
11067 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11068 result = claimer == 'w' ? BlackWins : WhiteWins;
11069 resultDetails = buf;
11072 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11073 && (forwardMostMove <= backwardMostMove ||
11074 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11075 (claimer=='b')==(forwardMostMove&1))
11077 /* [HGM] verify: draws that were not flagged are false claims */
11078 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11079 result = claimer == 'w' ? BlackWins : WhiteWins;
11080 resultDetails = buf;
11082 /* (Claiming a loss is accepted no questions asked!) */
11083 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11084 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11085 result = GameUnfinished;
11086 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11088 /* [HGM] bare: don't allow bare King to win */
11089 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11090 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11091 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11092 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11093 && result != GameIsDrawn)
11094 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11095 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11096 int p = (signed char)boards[forwardMostMove][i][j] - color;
11097 if(p >= 0 && p <= (int)WhiteKing) k++;
11099 if (appData.debugMode) {
11100 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11101 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11104 result = GameIsDrawn;
11105 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11106 resultDetails = buf;
11112 if(serverMoves != NULL && !loadFlag) { char c = '=';
11113 if(result==WhiteWins) c = '+';
11114 if(result==BlackWins) c = '-';
11115 if(resultDetails != NULL)
11116 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11118 if (resultDetails != NULL) {
11119 gameInfo.result = result;
11120 gameInfo.resultDetails = StrSave(resultDetails);
11122 /* display last move only if game was not loaded from file */
11123 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11124 DisplayMove(currentMove - 1);
11126 if (forwardMostMove != 0) {
11127 if (gameMode != PlayFromGameFile && gameMode != EditGame
11128 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11130 if (*appData.saveGameFile != NULLCHAR) {
11131 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11132 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11134 SaveGameToFile(appData.saveGameFile, TRUE);
11135 } else if (appData.autoSaveGames) {
11136 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11138 if (*appData.savePositionFile != NULLCHAR) {
11139 SavePositionToFile(appData.savePositionFile);
11141 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11145 /* Tell program how game ended in case it is learning */
11146 /* [HGM] Moved this to after saving the PGN, just in case */
11147 /* engine died and we got here through time loss. In that */
11148 /* case we will get a fatal error writing the pipe, which */
11149 /* would otherwise lose us the PGN. */
11150 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11151 /* output during GameEnds should never be fatal anymore */
11152 if (gameMode == MachinePlaysWhite ||
11153 gameMode == MachinePlaysBlack ||
11154 gameMode == TwoMachinesPlay ||
11155 gameMode == IcsPlayingWhite ||
11156 gameMode == IcsPlayingBlack ||
11157 gameMode == BeginningOfGame) {
11159 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11161 if (first.pr != NoProc) {
11162 SendToProgram(buf, &first);
11164 if (second.pr != NoProc &&
11165 gameMode == TwoMachinesPlay) {
11166 SendToProgram(buf, &second);
11171 if (appData.icsActive) {
11172 if (appData.quietPlay &&
11173 (gameMode == IcsPlayingWhite ||
11174 gameMode == IcsPlayingBlack)) {
11175 SendToICS(ics_prefix);
11176 SendToICS("set shout 1\n");
11178 nextGameMode = IcsIdle;
11179 ics_user_moved = FALSE;
11180 /* clean up premove. It's ugly when the game has ended and the
11181 * premove highlights are still on the board.
11184 gotPremove = FALSE;
11185 ClearPremoveHighlights();
11186 DrawPosition(FALSE, boards[currentMove]);
11188 if (whosays == GE_ICS) {
11191 if (gameMode == IcsPlayingWhite)
11193 else if(gameMode == IcsPlayingBlack)
11194 PlayIcsLossSound();
11197 if (gameMode == IcsPlayingBlack)
11199 else if(gameMode == IcsPlayingWhite)
11200 PlayIcsLossSound();
11203 PlayIcsDrawSound();
11206 PlayIcsUnfinishedSound();
11209 if(appData.quitNext) { ExitEvent(0); return; }
11210 } else if (gameMode == EditGame ||
11211 gameMode == PlayFromGameFile ||
11212 gameMode == AnalyzeMode ||
11213 gameMode == AnalyzeFile) {
11214 nextGameMode = gameMode;
11216 nextGameMode = EndOfGame;
11221 nextGameMode = gameMode;
11224 if (appData.noChessProgram) {
11225 gameMode = nextGameMode;
11227 endingGame = 0; /* [HGM] crash */
11232 /* Put first chess program into idle state */
11233 if (first.pr != NoProc &&
11234 (gameMode == MachinePlaysWhite ||
11235 gameMode == MachinePlaysBlack ||
11236 gameMode == TwoMachinesPlay ||
11237 gameMode == IcsPlayingWhite ||
11238 gameMode == IcsPlayingBlack ||
11239 gameMode == BeginningOfGame)) {
11240 SendToProgram("force\n", &first);
11241 if (first.usePing) {
11243 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11244 SendToProgram(buf, &first);
11247 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11248 /* Kill off first chess program */
11249 if (first.isr != NULL)
11250 RemoveInputSource(first.isr);
11253 if (first.pr != NoProc) {
11255 DoSleep( appData.delayBeforeQuit );
11256 SendToProgram("quit\n", &first);
11257 DoSleep( appData.delayAfterQuit );
11258 DestroyChildProcess(first.pr, first.useSigterm);
11259 first.reload = TRUE;
11263 if (second.reuse) {
11264 /* Put second chess program into idle state */
11265 if (second.pr != NoProc &&
11266 gameMode == TwoMachinesPlay) {
11267 SendToProgram("force\n", &second);
11268 if (second.usePing) {
11270 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11271 SendToProgram(buf, &second);
11274 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11275 /* Kill off second chess program */
11276 if (second.isr != NULL)
11277 RemoveInputSource(second.isr);
11280 if (second.pr != NoProc) {
11281 DoSleep( appData.delayBeforeQuit );
11282 SendToProgram("quit\n", &second);
11283 DoSleep( appData.delayAfterQuit );
11284 DestroyChildProcess(second.pr, second.useSigterm);
11285 second.reload = TRUE;
11287 second.pr = NoProc;
11290 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11291 char resChar = '=';
11295 if (first.twoMachinesColor[0] == 'w') {
11298 second.matchWins++;
11303 if (first.twoMachinesColor[0] == 'b') {
11306 second.matchWins++;
11309 case GameUnfinished:
11315 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11316 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11317 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11318 ReserveGame(nextGame, resChar); // sets nextGame
11319 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11320 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11321 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11323 if (nextGame <= appData.matchGames && !abortMatch) {
11324 gameMode = nextGameMode;
11325 matchGame = nextGame; // this will be overruled in tourney mode!
11326 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11327 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11328 endingGame = 0; /* [HGM] crash */
11331 gameMode = nextGameMode;
11332 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11333 first.tidy, second.tidy,
11334 first.matchWins, second.matchWins,
11335 appData.matchGames - (first.matchWins + second.matchWins));
11336 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11337 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11338 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11339 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11340 first.twoMachinesColor = "black\n";
11341 second.twoMachinesColor = "white\n";
11343 first.twoMachinesColor = "white\n";
11344 second.twoMachinesColor = "black\n";
11348 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11349 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11351 gameMode = nextGameMode;
11353 endingGame = 0; /* [HGM] crash */
11354 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11355 if(matchMode == TRUE) { // match through command line: exit with or without popup
11357 ToNrEvent(forwardMostMove);
11358 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11360 } else DisplayFatalError(buf, 0, 0);
11361 } else { // match through menu; just stop, with or without popup
11362 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11365 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11366 } else DisplayNote(buf);
11368 if(ranking) free(ranking);
11372 /* Assumes program was just initialized (initString sent).
11373 Leaves program in force mode. */
11375 FeedMovesToProgram (ChessProgramState *cps, int upto)
11379 if (appData.debugMode)
11380 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11381 startedFromSetupPosition ? "position and " : "",
11382 backwardMostMove, upto, cps->which);
11383 if(currentlyInitializedVariant != gameInfo.variant) {
11385 // [HGM] variantswitch: make engine aware of new variant
11386 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11387 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11388 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11389 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11390 SendToProgram(buf, cps);
11391 currentlyInitializedVariant = gameInfo.variant;
11393 SendToProgram("force\n", cps);
11394 if (startedFromSetupPosition) {
11395 SendBoard(cps, backwardMostMove);
11396 if (appData.debugMode) {
11397 fprintf(debugFP, "feedMoves\n");
11400 for (i = backwardMostMove; i < upto; i++) {
11401 SendMoveToProgram(i, cps);
11407 ResurrectChessProgram ()
11409 /* The chess program may have exited.
11410 If so, restart it and feed it all the moves made so far. */
11411 static int doInit = 0;
11413 if (appData.noChessProgram) return 1;
11415 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11416 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11417 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11418 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11420 if (first.pr != NoProc) return 1;
11421 StartChessProgram(&first);
11423 InitChessProgram(&first, FALSE);
11424 FeedMovesToProgram(&first, currentMove);
11426 if (!first.sendTime) {
11427 /* can't tell gnuchess what its clock should read,
11428 so we bow to its notion. */
11430 timeRemaining[0][currentMove] = whiteTimeRemaining;
11431 timeRemaining[1][currentMove] = blackTimeRemaining;
11434 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11435 appData.icsEngineAnalyze) && first.analysisSupport) {
11436 SendToProgram("analyze\n", &first);
11437 first.analyzing = TRUE;
11443 * Button procedures
11446 Reset (int redraw, int init)
11450 if (appData.debugMode) {
11451 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11452 redraw, init, gameMode);
11454 CleanupTail(); // [HGM] vari: delete any stored variations
11455 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11456 pausing = pauseExamInvalid = FALSE;
11457 startedFromSetupPosition = blackPlaysFirst = FALSE;
11459 whiteFlag = blackFlag = FALSE;
11460 userOfferedDraw = FALSE;
11461 hintRequested = bookRequested = FALSE;
11462 first.maybeThinking = FALSE;
11463 second.maybeThinking = FALSE;
11464 first.bookSuspend = FALSE; // [HGM] book
11465 second.bookSuspend = FALSE;
11466 thinkOutput[0] = NULLCHAR;
11467 lastHint[0] = NULLCHAR;
11468 ClearGameInfo(&gameInfo);
11469 gameInfo.variant = StringToVariant(appData.variant);
11470 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11471 ics_user_moved = ics_clock_paused = FALSE;
11472 ics_getting_history = H_FALSE;
11474 white_holding[0] = black_holding[0] = NULLCHAR;
11475 ClearProgramStats();
11476 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11480 flipView = appData.flipView;
11481 ClearPremoveHighlights();
11482 gotPremove = FALSE;
11483 alarmSounded = FALSE;
11484 killX = killY = -1; // [HGM] lion
11486 GameEnds(EndOfFile, NULL, GE_PLAYER);
11487 if(appData.serverMovesName != NULL) {
11488 /* [HGM] prepare to make moves file for broadcasting */
11489 clock_t t = clock();
11490 if(serverMoves != NULL) fclose(serverMoves);
11491 serverMoves = fopen(appData.serverMovesName, "r");
11492 if(serverMoves != NULL) {
11493 fclose(serverMoves);
11494 /* delay 15 sec before overwriting, so all clients can see end */
11495 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11497 serverMoves = fopen(appData.serverMovesName, "w");
11501 gameMode = BeginningOfGame;
11503 if(appData.icsActive) gameInfo.variant = VariantNormal;
11504 currentMove = forwardMostMove = backwardMostMove = 0;
11505 MarkTargetSquares(1);
11506 InitPosition(redraw);
11507 for (i = 0; i < MAX_MOVES; i++) {
11508 if (commentList[i] != NULL) {
11509 free(commentList[i]);
11510 commentList[i] = NULL;
11514 timeRemaining[0][0] = whiteTimeRemaining;
11515 timeRemaining[1][0] = blackTimeRemaining;
11517 if (first.pr == NoProc) {
11518 StartChessProgram(&first);
11521 InitChessProgram(&first, startedFromSetupPosition);
11524 DisplayMessage("", "");
11525 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11526 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11527 ClearMap(); // [HGM] exclude: invalidate map
11531 AutoPlayGameLoop ()
11534 if (!AutoPlayOneMove())
11536 if (matchMode || appData.timeDelay == 0)
11538 if (appData.timeDelay < 0)
11540 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11548 ReloadGame(1); // next game
11554 int fromX, fromY, toX, toY;
11556 if (appData.debugMode) {
11557 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11560 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11563 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11564 pvInfoList[currentMove].depth = programStats.depth;
11565 pvInfoList[currentMove].score = programStats.score;
11566 pvInfoList[currentMove].time = 0;
11567 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11568 else { // append analysis of final position as comment
11570 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11571 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11573 programStats.depth = 0;
11576 if (currentMove >= forwardMostMove) {
11577 if(gameMode == AnalyzeFile) {
11578 if(appData.loadGameIndex == -1) {
11579 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11580 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11582 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11585 // gameMode = EndOfGame;
11586 // ModeHighlight();
11588 /* [AS] Clear current move marker at the end of a game */
11589 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11594 toX = moveList[currentMove][2] - AAA;
11595 toY = moveList[currentMove][3] - ONE;
11597 if (moveList[currentMove][1] == '@') {
11598 if (appData.highlightLastMove) {
11599 SetHighlights(-1, -1, toX, toY);
11602 fromX = moveList[currentMove][0] - AAA;
11603 fromY = moveList[currentMove][1] - ONE;
11605 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11607 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11609 if (appData.highlightLastMove) {
11610 SetHighlights(fromX, fromY, toX, toY);
11613 DisplayMove(currentMove);
11614 SendMoveToProgram(currentMove++, &first);
11615 DisplayBothClocks();
11616 DrawPosition(FALSE, boards[currentMove]);
11617 // [HGM] PV info: always display, routine tests if empty
11618 DisplayComment(currentMove - 1, commentList[currentMove]);
11624 LoadGameOneMove (ChessMove readAhead)
11626 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11627 char promoChar = NULLCHAR;
11628 ChessMove moveType;
11629 char move[MSG_SIZ];
11632 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11633 gameMode != AnalyzeMode && gameMode != Training) {
11638 yyboardindex = forwardMostMove;
11639 if (readAhead != EndOfFile) {
11640 moveType = readAhead;
11642 if (gameFileFP == NULL)
11644 moveType = (ChessMove) Myylex();
11648 switch (moveType) {
11650 if (appData.debugMode)
11651 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11654 /* append the comment but don't display it */
11655 AppendComment(currentMove, p, FALSE);
11658 case WhiteCapturesEnPassant:
11659 case BlackCapturesEnPassant:
11660 case WhitePromotion:
11661 case BlackPromotion:
11662 case WhiteNonPromotion:
11663 case BlackNonPromotion:
11666 case WhiteKingSideCastle:
11667 case WhiteQueenSideCastle:
11668 case BlackKingSideCastle:
11669 case BlackQueenSideCastle:
11670 case WhiteKingSideCastleWild:
11671 case WhiteQueenSideCastleWild:
11672 case BlackKingSideCastleWild:
11673 case BlackQueenSideCastleWild:
11675 case WhiteHSideCastleFR:
11676 case WhiteASideCastleFR:
11677 case BlackHSideCastleFR:
11678 case BlackASideCastleFR:
11680 if (appData.debugMode)
11681 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11682 fromX = currentMoveString[0] - AAA;
11683 fromY = currentMoveString[1] - ONE;
11684 toX = currentMoveString[2] - AAA;
11685 toY = currentMoveString[3] - ONE;
11686 promoChar = currentMoveString[4];
11687 if(promoChar == ';') promoChar = NULLCHAR;
11692 if (appData.debugMode)
11693 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11694 fromX = moveType == WhiteDrop ?
11695 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11696 (int) CharToPiece(ToLower(currentMoveString[0]));
11698 toX = currentMoveString[2] - AAA;
11699 toY = currentMoveString[3] - ONE;
11705 case GameUnfinished:
11706 if (appData.debugMode)
11707 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11708 p = strchr(yy_text, '{');
11709 if (p == NULL) p = strchr(yy_text, '(');
11712 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11714 q = strchr(p, *p == '{' ? '}' : ')');
11715 if (q != NULL) *q = NULLCHAR;
11718 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11719 GameEnds(moveType, p, GE_FILE);
11721 if (cmailMsgLoaded) {
11723 flipView = WhiteOnMove(currentMove);
11724 if (moveType == GameUnfinished) flipView = !flipView;
11725 if (appData.debugMode)
11726 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11731 if (appData.debugMode)
11732 fprintf(debugFP, "Parser hit end of file\n");
11733 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11739 if (WhiteOnMove(currentMove)) {
11740 GameEnds(BlackWins, "Black mates", GE_FILE);
11742 GameEnds(WhiteWins, "White mates", GE_FILE);
11746 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11752 case MoveNumberOne:
11753 if (lastLoadGameStart == GNUChessGame) {
11754 /* GNUChessGames have numbers, but they aren't move numbers */
11755 if (appData.debugMode)
11756 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11757 yy_text, (int) moveType);
11758 return LoadGameOneMove(EndOfFile); /* tail recursion */
11760 /* else fall thru */
11765 /* Reached start of next game in file */
11766 if (appData.debugMode)
11767 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11768 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11774 if (WhiteOnMove(currentMove)) {
11775 GameEnds(BlackWins, "Black mates", GE_FILE);
11777 GameEnds(WhiteWins, "White mates", GE_FILE);
11781 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11787 case PositionDiagram: /* should not happen; ignore */
11788 case ElapsedTime: /* ignore */
11789 case NAG: /* ignore */
11790 if (appData.debugMode)
11791 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11792 yy_text, (int) moveType);
11793 return LoadGameOneMove(EndOfFile); /* tail recursion */
11796 if (appData.testLegality) {
11797 if (appData.debugMode)
11798 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11799 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11800 (forwardMostMove / 2) + 1,
11801 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11802 DisplayError(move, 0);
11805 if (appData.debugMode)
11806 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11807 yy_text, currentMoveString);
11808 fromX = currentMoveString[0] - AAA;
11809 fromY = currentMoveString[1] - ONE;
11810 toX = currentMoveString[2] - AAA;
11811 toY = currentMoveString[3] - ONE;
11812 promoChar = currentMoveString[4];
11816 case AmbiguousMove:
11817 if (appData.debugMode)
11818 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11819 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11820 (forwardMostMove / 2) + 1,
11821 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11822 DisplayError(move, 0);
11827 case ImpossibleMove:
11828 if (appData.debugMode)
11829 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11830 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11831 (forwardMostMove / 2) + 1,
11832 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11833 DisplayError(move, 0);
11839 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11840 DrawPosition(FALSE, boards[currentMove]);
11841 DisplayBothClocks();
11842 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11843 DisplayComment(currentMove - 1, commentList[currentMove]);
11845 (void) StopLoadGameTimer();
11847 cmailOldMove = forwardMostMove;
11850 /* currentMoveString is set as a side-effect of yylex */
11852 thinkOutput[0] = NULLCHAR;
11853 MakeMove(fromX, fromY, toX, toY, promoChar);
11854 killX = killY = -1; // [HGM] lion: used up
11855 currentMove = forwardMostMove;
11860 /* Load the nth game from the given file */
11862 LoadGameFromFile (char *filename, int n, char *title, int useList)
11867 if (strcmp(filename, "-") == 0) {
11871 f = fopen(filename, "rb");
11873 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11874 DisplayError(buf, errno);
11878 if (fseek(f, 0, 0) == -1) {
11879 /* f is not seekable; probably a pipe */
11882 if (useList && n == 0) {
11883 int error = GameListBuild(f);
11885 DisplayError(_("Cannot build game list"), error);
11886 } else if (!ListEmpty(&gameList) &&
11887 ((ListGame *) gameList.tailPred)->number > 1) {
11888 GameListPopUp(f, title);
11895 return LoadGame(f, n, title, FALSE);
11900 MakeRegisteredMove ()
11902 int fromX, fromY, toX, toY;
11904 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11905 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11908 if (appData.debugMode)
11909 fprintf(debugFP, "Restoring %s for game %d\n",
11910 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11912 thinkOutput[0] = NULLCHAR;
11913 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11914 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11915 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11916 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11917 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11918 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11919 MakeMove(fromX, fromY, toX, toY, promoChar);
11920 ShowMove(fromX, fromY, toX, toY);
11922 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11929 if (WhiteOnMove(currentMove)) {
11930 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11932 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11937 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11944 if (WhiteOnMove(currentMove)) {
11945 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11947 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11952 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11963 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11965 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11969 if (gameNumber > nCmailGames) {
11970 DisplayError(_("No more games in this message"), 0);
11973 if (f == lastLoadGameFP) {
11974 int offset = gameNumber - lastLoadGameNumber;
11976 cmailMsg[0] = NULLCHAR;
11977 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11978 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11979 nCmailMovesRegistered--;
11981 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11982 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11983 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11986 if (! RegisterMove()) return FALSE;
11990 retVal = LoadGame(f, gameNumber, title, useList);
11992 /* Make move registered during previous look at this game, if any */
11993 MakeRegisteredMove();
11995 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11996 commentList[currentMove]
11997 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11998 DisplayComment(currentMove - 1, commentList[currentMove]);
12004 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12006 ReloadGame (int offset)
12008 int gameNumber = lastLoadGameNumber + offset;
12009 if (lastLoadGameFP == NULL) {
12010 DisplayError(_("No game has been loaded yet"), 0);
12013 if (gameNumber <= 0) {
12014 DisplayError(_("Can't back up any further"), 0);
12017 if (cmailMsgLoaded) {
12018 return CmailLoadGame(lastLoadGameFP, gameNumber,
12019 lastLoadGameTitle, lastLoadGameUseList);
12021 return LoadGame(lastLoadGameFP, gameNumber,
12022 lastLoadGameTitle, lastLoadGameUseList);
12026 int keys[EmptySquare+1];
12029 PositionMatches (Board b1, Board b2)
12032 switch(appData.searchMode) {
12033 case 1: return CompareWithRights(b1, b2);
12035 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12036 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12040 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12041 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12042 sum += keys[b1[r][f]] - keys[b2[r][f]];
12046 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12047 sum += keys[b1[r][f]] - keys[b2[r][f]];
12059 int pieceList[256], quickBoard[256];
12060 ChessSquare pieceType[256] = { EmptySquare };
12061 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12062 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12063 int soughtTotal, turn;
12064 Boolean epOK, flipSearch;
12067 unsigned char piece, to;
12070 #define DSIZE (250000)
12072 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12073 Move *moveDatabase = initialSpace;
12074 unsigned int movePtr, dataSize = DSIZE;
12077 MakePieceList (Board board, int *counts)
12079 int r, f, n=Q_PROMO, total=0;
12080 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12081 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12082 int sq = f + (r<<4);
12083 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12084 quickBoard[sq] = ++n;
12086 pieceType[n] = board[r][f];
12087 counts[board[r][f]]++;
12088 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12089 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12093 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12098 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12100 int sq = fromX + (fromY<<4);
12101 int piece = quickBoard[sq];
12102 quickBoard[sq] = 0;
12103 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12104 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12105 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12106 moveDatabase[movePtr++].piece = Q_WCASTL;
12107 quickBoard[sq] = piece;
12108 piece = quickBoard[from]; quickBoard[from] = 0;
12109 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12111 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12112 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12113 moveDatabase[movePtr++].piece = Q_BCASTL;
12114 quickBoard[sq] = piece;
12115 piece = quickBoard[from]; quickBoard[from] = 0;
12116 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12118 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12119 quickBoard[(fromY<<4)+toX] = 0;
12120 moveDatabase[movePtr].piece = Q_EP;
12121 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12122 moveDatabase[movePtr].to = sq;
12124 if(promoPiece != pieceType[piece]) {
12125 moveDatabase[movePtr++].piece = Q_PROMO;
12126 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12128 moveDatabase[movePtr].piece = piece;
12129 quickBoard[sq] = piece;
12134 PackGame (Board board)
12136 Move *newSpace = NULL;
12137 moveDatabase[movePtr].piece = 0; // terminate previous game
12138 if(movePtr > dataSize) {
12139 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12140 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12141 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12144 Move *p = moveDatabase, *q = newSpace;
12145 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12146 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12147 moveDatabase = newSpace;
12148 } else { // calloc failed, we must be out of memory. Too bad...
12149 dataSize = 0; // prevent calloc events for all subsequent games
12150 return 0; // and signal this one isn't cached
12154 MakePieceList(board, counts);
12159 QuickCompare (Board board, int *minCounts, int *maxCounts)
12160 { // compare according to search mode
12162 switch(appData.searchMode)
12164 case 1: // exact position match
12165 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12166 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12167 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12170 case 2: // can have extra material on empty squares
12171 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12172 if(board[r][f] == EmptySquare) continue;
12173 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12176 case 3: // material with exact Pawn structure
12177 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12178 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12179 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12180 } // fall through to material comparison
12181 case 4: // exact material
12182 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12184 case 6: // material range with given imbalance
12185 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12186 // fall through to range comparison
12187 case 5: // material range
12188 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12194 QuickScan (Board board, Move *move)
12195 { // reconstruct game,and compare all positions in it
12196 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12198 int piece = move->piece;
12199 int to = move->to, from = pieceList[piece];
12200 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12201 if(!piece) return -1;
12202 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12203 piece = (++move)->piece;
12204 from = pieceList[piece];
12205 counts[pieceType[piece]]--;
12206 pieceType[piece] = (ChessSquare) move->to;
12207 counts[move->to]++;
12208 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12209 counts[pieceType[quickBoard[to]]]--;
12210 quickBoard[to] = 0; total--;
12213 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12214 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12215 from = pieceList[piece]; // so this must be King
12216 quickBoard[from] = 0;
12217 pieceList[piece] = to;
12218 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12219 quickBoard[from] = 0; // rook
12220 quickBoard[to] = piece;
12221 to = move->to; piece = move->piece;
12225 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12226 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12227 quickBoard[from] = 0;
12229 quickBoard[to] = piece;
12230 pieceList[piece] = to;
12232 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12233 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12234 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12235 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12237 static int lastCounts[EmptySquare+1];
12239 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12240 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12241 } else stretch = 0;
12242 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12251 flipSearch = FALSE;
12252 CopyBoard(soughtBoard, boards[currentMove]);
12253 soughtTotal = MakePieceList(soughtBoard, maxSought);
12254 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12255 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12256 CopyBoard(reverseBoard, boards[currentMove]);
12257 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12258 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12259 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12260 reverseBoard[r][f] = piece;
12262 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12263 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12264 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12265 || (boards[currentMove][CASTLING][2] == NoRights ||
12266 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12267 && (boards[currentMove][CASTLING][5] == NoRights ||
12268 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12271 CopyBoard(flipBoard, soughtBoard);
12272 CopyBoard(rotateBoard, reverseBoard);
12273 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12274 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12275 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12278 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12279 if(appData.searchMode >= 5) {
12280 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12281 MakePieceList(soughtBoard, minSought);
12282 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12284 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12285 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12288 GameInfo dummyInfo;
12289 static int creatingBook;
12292 GameContainsPosition (FILE *f, ListGame *lg)
12294 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12295 int fromX, fromY, toX, toY;
12297 static int initDone=FALSE;
12299 // weed out games based on numerical tag comparison
12300 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12301 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12302 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12303 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12305 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12308 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12309 else CopyBoard(boards[scratch], initialPosition); // default start position
12312 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12313 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12316 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12317 fseek(f, lg->offset, 0);
12320 yyboardindex = scratch;
12321 quickFlag = plyNr+1;
12326 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12332 if(plyNr) return -1; // after we have seen moves, this is for new game
12335 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12336 case ImpossibleMove:
12337 case WhiteWins: // game ends here with these four
12340 case GameUnfinished:
12344 if(appData.testLegality) return -1;
12345 case WhiteCapturesEnPassant:
12346 case BlackCapturesEnPassant:
12347 case WhitePromotion:
12348 case BlackPromotion:
12349 case WhiteNonPromotion:
12350 case BlackNonPromotion:
12353 case WhiteKingSideCastle:
12354 case WhiteQueenSideCastle:
12355 case BlackKingSideCastle:
12356 case BlackQueenSideCastle:
12357 case WhiteKingSideCastleWild:
12358 case WhiteQueenSideCastleWild:
12359 case BlackKingSideCastleWild:
12360 case BlackQueenSideCastleWild:
12361 case WhiteHSideCastleFR:
12362 case WhiteASideCastleFR:
12363 case BlackHSideCastleFR:
12364 case BlackASideCastleFR:
12365 fromX = currentMoveString[0] - AAA;
12366 fromY = currentMoveString[1] - ONE;
12367 toX = currentMoveString[2] - AAA;
12368 toY = currentMoveString[3] - ONE;
12369 promoChar = currentMoveString[4];
12373 fromX = next == WhiteDrop ?
12374 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12375 (int) CharToPiece(ToLower(currentMoveString[0]));
12377 toX = currentMoveString[2] - AAA;
12378 toY = currentMoveString[3] - ONE;
12382 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12384 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12385 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12386 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12387 if(appData.findMirror) {
12388 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12389 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12394 /* Load the nth game from open file f */
12396 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12400 int gn = gameNumber;
12401 ListGame *lg = NULL;
12402 int numPGNTags = 0;
12404 GameMode oldGameMode;
12405 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12407 if (appData.debugMode)
12408 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12410 if (gameMode == Training )
12411 SetTrainingModeOff();
12413 oldGameMode = gameMode;
12414 if (gameMode != BeginningOfGame) {
12415 Reset(FALSE, TRUE);
12417 killX = killY = -1; // [HGM] lion: in case we did not Reset
12420 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12421 fclose(lastLoadGameFP);
12425 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12428 fseek(f, lg->offset, 0);
12429 GameListHighlight(gameNumber);
12430 pos = lg->position;
12434 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12435 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12437 DisplayError(_("Game number out of range"), 0);
12442 if (fseek(f, 0, 0) == -1) {
12443 if (f == lastLoadGameFP ?
12444 gameNumber == lastLoadGameNumber + 1 :
12448 DisplayError(_("Can't seek on game file"), 0);
12453 lastLoadGameFP = f;
12454 lastLoadGameNumber = gameNumber;
12455 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12456 lastLoadGameUseList = useList;
12460 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12461 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12462 lg->gameInfo.black);
12464 } else if (*title != NULLCHAR) {
12465 if (gameNumber > 1) {
12466 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12469 DisplayTitle(title);
12473 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12474 gameMode = PlayFromGameFile;
12478 currentMove = forwardMostMove = backwardMostMove = 0;
12479 CopyBoard(boards[0], initialPosition);
12483 * Skip the first gn-1 games in the file.
12484 * Also skip over anything that precedes an identifiable
12485 * start of game marker, to avoid being confused by
12486 * garbage at the start of the file. Currently
12487 * recognized start of game markers are the move number "1",
12488 * the pattern "gnuchess .* game", the pattern
12489 * "^[#;%] [^ ]* game file", and a PGN tag block.
12490 * A game that starts with one of the latter two patterns
12491 * will also have a move number 1, possibly
12492 * following a position diagram.
12493 * 5-4-02: Let's try being more lenient and allowing a game to
12494 * start with an unnumbered move. Does that break anything?
12496 cm = lastLoadGameStart = EndOfFile;
12498 yyboardindex = forwardMostMove;
12499 cm = (ChessMove) Myylex();
12502 if (cmailMsgLoaded) {
12503 nCmailGames = CMAIL_MAX_GAMES - gn;
12506 DisplayError(_("Game not found in file"), 0);
12513 lastLoadGameStart = cm;
12516 case MoveNumberOne:
12517 switch (lastLoadGameStart) {
12522 case MoveNumberOne:
12524 gn--; /* count this game */
12525 lastLoadGameStart = cm;
12534 switch (lastLoadGameStart) {
12537 case MoveNumberOne:
12539 gn--; /* count this game */
12540 lastLoadGameStart = cm;
12543 lastLoadGameStart = cm; /* game counted already */
12551 yyboardindex = forwardMostMove;
12552 cm = (ChessMove) Myylex();
12553 } while (cm == PGNTag || cm == Comment);
12560 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12561 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12562 != CMAIL_OLD_RESULT) {
12564 cmailResult[ CMAIL_MAX_GAMES
12565 - gn - 1] = CMAIL_OLD_RESULT;
12572 /* Only a NormalMove can be at the start of a game
12573 * without a position diagram. */
12574 if (lastLoadGameStart == EndOfFile ) {
12576 lastLoadGameStart = MoveNumberOne;
12585 if (appData.debugMode)
12586 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12588 if (cm == XBoardGame) {
12589 /* Skip any header junk before position diagram and/or move 1 */
12591 yyboardindex = forwardMostMove;
12592 cm = (ChessMove) Myylex();
12594 if (cm == EndOfFile ||
12595 cm == GNUChessGame || cm == XBoardGame) {
12596 /* Empty game; pretend end-of-file and handle later */
12601 if (cm == MoveNumberOne || cm == PositionDiagram ||
12602 cm == PGNTag || cm == Comment)
12605 } else if (cm == GNUChessGame) {
12606 if (gameInfo.event != NULL) {
12607 free(gameInfo.event);
12609 gameInfo.event = StrSave(yy_text);
12612 startedFromSetupPosition = FALSE;
12613 while (cm == PGNTag) {
12614 if (appData.debugMode)
12615 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12616 err = ParsePGNTag(yy_text, &gameInfo);
12617 if (!err) numPGNTags++;
12619 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12620 if(gameInfo.variant != oldVariant) {
12621 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12622 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12623 InitPosition(TRUE);
12624 oldVariant = gameInfo.variant;
12625 if (appData.debugMode)
12626 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12630 if (gameInfo.fen != NULL) {
12631 Board initial_position;
12632 startedFromSetupPosition = TRUE;
12633 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12635 DisplayError(_("Bad FEN position in file"), 0);
12638 CopyBoard(boards[0], initial_position);
12639 if (blackPlaysFirst) {
12640 currentMove = forwardMostMove = backwardMostMove = 1;
12641 CopyBoard(boards[1], initial_position);
12642 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12643 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12644 timeRemaining[0][1] = whiteTimeRemaining;
12645 timeRemaining[1][1] = blackTimeRemaining;
12646 if (commentList[0] != NULL) {
12647 commentList[1] = commentList[0];
12648 commentList[0] = NULL;
12651 currentMove = forwardMostMove = backwardMostMove = 0;
12653 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12655 initialRulePlies = FENrulePlies;
12656 for( i=0; i< nrCastlingRights; i++ )
12657 initialRights[i] = initial_position[CASTLING][i];
12659 yyboardindex = forwardMostMove;
12660 free(gameInfo.fen);
12661 gameInfo.fen = NULL;
12664 yyboardindex = forwardMostMove;
12665 cm = (ChessMove) Myylex();
12667 /* Handle comments interspersed among the tags */
12668 while (cm == Comment) {
12670 if (appData.debugMode)
12671 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12673 AppendComment(currentMove, p, FALSE);
12674 yyboardindex = forwardMostMove;
12675 cm = (ChessMove) Myylex();
12679 /* don't rely on existence of Event tag since if game was
12680 * pasted from clipboard the Event tag may not exist
12682 if (numPGNTags > 0){
12684 if (gameInfo.variant == VariantNormal) {
12685 VariantClass v = StringToVariant(gameInfo.event);
12686 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12687 if(v < VariantShogi) gameInfo.variant = v;
12690 if( appData.autoDisplayTags ) {
12691 tags = PGNTags(&gameInfo);
12692 TagsPopUp(tags, CmailMsg());
12697 /* Make something up, but don't display it now */
12702 if (cm == PositionDiagram) {
12705 Board initial_position;
12707 if (appData.debugMode)
12708 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12710 if (!startedFromSetupPosition) {
12712 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12713 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12724 initial_position[i][j++] = CharToPiece(*p);
12727 while (*p == ' ' || *p == '\t' ||
12728 *p == '\n' || *p == '\r') p++;
12730 if (strncmp(p, "black", strlen("black"))==0)
12731 blackPlaysFirst = TRUE;
12733 blackPlaysFirst = FALSE;
12734 startedFromSetupPosition = TRUE;
12736 CopyBoard(boards[0], initial_position);
12737 if (blackPlaysFirst) {
12738 currentMove = forwardMostMove = backwardMostMove = 1;
12739 CopyBoard(boards[1], initial_position);
12740 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12741 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12742 timeRemaining[0][1] = whiteTimeRemaining;
12743 timeRemaining[1][1] = blackTimeRemaining;
12744 if (commentList[0] != NULL) {
12745 commentList[1] = commentList[0];
12746 commentList[0] = NULL;
12749 currentMove = forwardMostMove = backwardMostMove = 0;
12752 yyboardindex = forwardMostMove;
12753 cm = (ChessMove) Myylex();
12756 if(!creatingBook) {
12757 if (first.pr == NoProc) {
12758 StartChessProgram(&first);
12760 InitChessProgram(&first, FALSE);
12761 SendToProgram("force\n", &first);
12762 if (startedFromSetupPosition) {
12763 SendBoard(&first, forwardMostMove);
12764 if (appData.debugMode) {
12765 fprintf(debugFP, "Load Game\n");
12767 DisplayBothClocks();
12771 /* [HGM] server: flag to write setup moves in broadcast file as one */
12772 loadFlag = appData.suppressLoadMoves;
12774 while (cm == Comment) {
12776 if (appData.debugMode)
12777 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12779 AppendComment(currentMove, p, FALSE);
12780 yyboardindex = forwardMostMove;
12781 cm = (ChessMove) Myylex();
12784 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12785 cm == WhiteWins || cm == BlackWins ||
12786 cm == GameIsDrawn || cm == GameUnfinished) {
12787 DisplayMessage("", _("No moves in game"));
12788 if (cmailMsgLoaded) {
12789 if (appData.debugMode)
12790 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12794 DrawPosition(FALSE, boards[currentMove]);
12795 DisplayBothClocks();
12796 gameMode = EditGame;
12803 // [HGM] PV info: routine tests if comment empty
12804 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12805 DisplayComment(currentMove - 1, commentList[currentMove]);
12807 if (!matchMode && appData.timeDelay != 0)
12808 DrawPosition(FALSE, boards[currentMove]);
12810 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12811 programStats.ok_to_send = 1;
12814 /* if the first token after the PGN tags is a move
12815 * and not move number 1, retrieve it from the parser
12817 if (cm != MoveNumberOne)
12818 LoadGameOneMove(cm);
12820 /* load the remaining moves from the file */
12821 while (LoadGameOneMove(EndOfFile)) {
12822 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12823 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12826 /* rewind to the start of the game */
12827 currentMove = backwardMostMove;
12829 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12831 if (oldGameMode == AnalyzeFile) {
12832 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12833 AnalyzeFileEvent();
12835 if (oldGameMode == AnalyzeMode) {
12836 AnalyzeFileEvent();
12839 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12840 long int w, b; // [HGM] adjourn: restore saved clock times
12841 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12842 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12843 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12844 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12848 if(creatingBook) return TRUE;
12849 if (!matchMode && pos > 0) {
12850 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12852 if (matchMode || appData.timeDelay == 0) {
12854 } else if (appData.timeDelay > 0) {
12855 AutoPlayGameLoop();
12858 if (appData.debugMode)
12859 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12861 loadFlag = 0; /* [HGM] true game starts */
12865 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12867 ReloadPosition (int offset)
12869 int positionNumber = lastLoadPositionNumber + offset;
12870 if (lastLoadPositionFP == NULL) {
12871 DisplayError(_("No position has been loaded yet"), 0);
12874 if (positionNumber <= 0) {
12875 DisplayError(_("Can't back up any further"), 0);
12878 return LoadPosition(lastLoadPositionFP, positionNumber,
12879 lastLoadPositionTitle);
12882 /* Load the nth position from the given file */
12884 LoadPositionFromFile (char *filename, int n, char *title)
12889 if (strcmp(filename, "-") == 0) {
12890 return LoadPosition(stdin, n, "stdin");
12892 f = fopen(filename, "rb");
12894 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12895 DisplayError(buf, errno);
12898 return LoadPosition(f, n, title);
12903 /* Load the nth position from the given open file, and close it */
12905 LoadPosition (FILE *f, int positionNumber, char *title)
12907 char *p, line[MSG_SIZ];
12908 Board initial_position;
12909 int i, j, fenMode, pn;
12911 if (gameMode == Training )
12912 SetTrainingModeOff();
12914 if (gameMode != BeginningOfGame) {
12915 Reset(FALSE, TRUE);
12917 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12918 fclose(lastLoadPositionFP);
12920 if (positionNumber == 0) positionNumber = 1;
12921 lastLoadPositionFP = f;
12922 lastLoadPositionNumber = positionNumber;
12923 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12924 if (first.pr == NoProc && !appData.noChessProgram) {
12925 StartChessProgram(&first);
12926 InitChessProgram(&first, FALSE);
12928 pn = positionNumber;
12929 if (positionNumber < 0) {
12930 /* Negative position number means to seek to that byte offset */
12931 if (fseek(f, -positionNumber, 0) == -1) {
12932 DisplayError(_("Can't seek on position file"), 0);
12937 if (fseek(f, 0, 0) == -1) {
12938 if (f == lastLoadPositionFP ?
12939 positionNumber == lastLoadPositionNumber + 1 :
12940 positionNumber == 1) {
12943 DisplayError(_("Can't seek on position file"), 0);
12948 /* See if this file is FEN or old-style xboard */
12949 if (fgets(line, MSG_SIZ, f) == NULL) {
12950 DisplayError(_("Position not found in file"), 0);
12953 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12954 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12957 if (fenMode || line[0] == '#') pn--;
12959 /* skip positions before number pn */
12960 if (fgets(line, MSG_SIZ, f) == NULL) {
12962 DisplayError(_("Position not found in file"), 0);
12965 if (fenMode || line[0] == '#') pn--;
12970 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
12971 DisplayError(_("Bad FEN position in file"), 0);
12975 (void) fgets(line, MSG_SIZ, f);
12976 (void) fgets(line, MSG_SIZ, f);
12978 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12979 (void) fgets(line, MSG_SIZ, f);
12980 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12983 initial_position[i][j++] = CharToPiece(*p);
12987 blackPlaysFirst = FALSE;
12989 (void) fgets(line, MSG_SIZ, f);
12990 if (strncmp(line, "black", strlen("black"))==0)
12991 blackPlaysFirst = TRUE;
12994 startedFromSetupPosition = TRUE;
12996 CopyBoard(boards[0], initial_position);
12997 if (blackPlaysFirst) {
12998 currentMove = forwardMostMove = backwardMostMove = 1;
12999 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13000 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13001 CopyBoard(boards[1], initial_position);
13002 DisplayMessage("", _("Black to play"));
13004 currentMove = forwardMostMove = backwardMostMove = 0;
13005 DisplayMessage("", _("White to play"));
13007 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13008 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13009 SendToProgram("force\n", &first);
13010 SendBoard(&first, forwardMostMove);
13012 if (appData.debugMode) {
13014 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13015 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13016 fprintf(debugFP, "Load Position\n");
13019 if (positionNumber > 1) {
13020 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13021 DisplayTitle(line);
13023 DisplayTitle(title);
13025 gameMode = EditGame;
13028 timeRemaining[0][1] = whiteTimeRemaining;
13029 timeRemaining[1][1] = blackTimeRemaining;
13030 DrawPosition(FALSE, boards[currentMove]);
13037 CopyPlayerNameIntoFileName (char **dest, char *src)
13039 while (*src != NULLCHAR && *src != ',') {
13044 *(*dest)++ = *src++;
13050 DefaultFileName (char *ext)
13052 static char def[MSG_SIZ];
13055 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13057 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13059 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13061 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13068 /* Save the current game to the given file */
13070 SaveGameToFile (char *filename, int append)
13074 int result, i, t,tot=0;
13076 if (strcmp(filename, "-") == 0) {
13077 return SaveGame(stdout, 0, NULL);
13079 for(i=0; i<10; i++) { // upto 10 tries
13080 f = fopen(filename, append ? "a" : "w");
13081 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13082 if(f || errno != 13) break;
13083 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13087 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13088 DisplayError(buf, errno);
13091 safeStrCpy(buf, lastMsg, MSG_SIZ);
13092 DisplayMessage(_("Waiting for access to save file"), "");
13093 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13094 DisplayMessage(_("Saving game"), "");
13095 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13096 result = SaveGame(f, 0, NULL);
13097 DisplayMessage(buf, "");
13104 SavePart (char *str)
13106 static char buf[MSG_SIZ];
13109 p = strchr(str, ' ');
13110 if (p == NULL) return str;
13111 strncpy(buf, str, p - str);
13112 buf[p - str] = NULLCHAR;
13116 #define PGN_MAX_LINE 75
13118 #define PGN_SIDE_WHITE 0
13119 #define PGN_SIDE_BLACK 1
13122 FindFirstMoveOutOfBook (int side)
13126 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13127 int index = backwardMostMove;
13128 int has_book_hit = 0;
13130 if( (index % 2) != side ) {
13134 while( index < forwardMostMove ) {
13135 /* Check to see if engine is in book */
13136 int depth = pvInfoList[index].depth;
13137 int score = pvInfoList[index].score;
13143 else if( score == 0 && depth == 63 ) {
13144 in_book = 1; /* Zappa */
13146 else if( score == 2 && depth == 99 ) {
13147 in_book = 1; /* Abrok */
13150 has_book_hit += in_book;
13166 GetOutOfBookInfo (char * buf)
13170 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13172 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13173 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13177 if( oob[0] >= 0 || oob[1] >= 0 ) {
13178 for( i=0; i<2; i++ ) {
13182 if( i > 0 && oob[0] >= 0 ) {
13183 strcat( buf, " " );
13186 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13187 sprintf( buf+strlen(buf), "%s%.2f",
13188 pvInfoList[idx].score >= 0 ? "+" : "",
13189 pvInfoList[idx].score / 100.0 );
13195 /* Save game in PGN style and close the file */
13197 SaveGamePGN (FILE *f)
13199 int i, offset, linelen, newblock;
13202 int movelen, numlen, blank;
13203 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13205 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13207 PrintPGNTags(f, &gameInfo);
13209 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13211 if (backwardMostMove > 0 || startedFromSetupPosition) {
13212 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13213 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13214 fprintf(f, "\n{--------------\n");
13215 PrintPosition(f, backwardMostMove);
13216 fprintf(f, "--------------}\n");
13220 /* [AS] Out of book annotation */
13221 if( appData.saveOutOfBookInfo ) {
13224 GetOutOfBookInfo( buf );
13226 if( buf[0] != '\0' ) {
13227 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13234 i = backwardMostMove;
13238 while (i < forwardMostMove) {
13239 /* Print comments preceding this move */
13240 if (commentList[i] != NULL) {
13241 if (linelen > 0) fprintf(f, "\n");
13242 fprintf(f, "%s", commentList[i]);
13247 /* Format move number */
13249 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13252 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13254 numtext[0] = NULLCHAR;
13256 numlen = strlen(numtext);
13259 /* Print move number */
13260 blank = linelen > 0 && numlen > 0;
13261 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13270 fprintf(f, "%s", numtext);
13274 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13275 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13278 blank = linelen > 0 && movelen > 0;
13279 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13288 fprintf(f, "%s", move_buffer);
13289 linelen += movelen;
13291 /* [AS] Add PV info if present */
13292 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13293 /* [HGM] add time */
13294 char buf[MSG_SIZ]; int seconds;
13296 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13302 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13305 seconds = (seconds + 4)/10; // round to full seconds
13307 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13309 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13312 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13313 pvInfoList[i].score >= 0 ? "+" : "",
13314 pvInfoList[i].score / 100.0,
13315 pvInfoList[i].depth,
13318 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13320 /* Print score/depth */
13321 blank = linelen > 0 && movelen > 0;
13322 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13331 fprintf(f, "%s", move_buffer);
13332 linelen += movelen;
13338 /* Start a new line */
13339 if (linelen > 0) fprintf(f, "\n");
13341 /* Print comments after last move */
13342 if (commentList[i] != NULL) {
13343 fprintf(f, "%s\n", commentList[i]);
13347 if (gameInfo.resultDetails != NULL &&
13348 gameInfo.resultDetails[0] != NULLCHAR) {
13349 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13350 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13351 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13352 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13353 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13355 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13359 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13363 /* Save game in old style and close the file */
13365 SaveGameOldStyle (FILE *f)
13370 tm = time((time_t *) NULL);
13372 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13375 if (backwardMostMove > 0 || startedFromSetupPosition) {
13376 fprintf(f, "\n[--------------\n");
13377 PrintPosition(f, backwardMostMove);
13378 fprintf(f, "--------------]\n");
13383 i = backwardMostMove;
13384 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13386 while (i < forwardMostMove) {
13387 if (commentList[i] != NULL) {
13388 fprintf(f, "[%s]\n", commentList[i]);
13391 if ((i % 2) == 1) {
13392 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13395 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13397 if (commentList[i] != NULL) {
13401 if (i >= forwardMostMove) {
13405 fprintf(f, "%s\n", parseList[i]);
13410 if (commentList[i] != NULL) {
13411 fprintf(f, "[%s]\n", commentList[i]);
13414 /* This isn't really the old style, but it's close enough */
13415 if (gameInfo.resultDetails != NULL &&
13416 gameInfo.resultDetails[0] != NULLCHAR) {
13417 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13418 gameInfo.resultDetails);
13420 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13427 /* Save the current game to open file f and close the file */
13429 SaveGame (FILE *f, int dummy, char *dummy2)
13431 if (gameMode == EditPosition) EditPositionDone(TRUE);
13432 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13433 if (appData.oldSaveStyle)
13434 return SaveGameOldStyle(f);
13436 return SaveGamePGN(f);
13439 /* Save the current position to the given file */
13441 SavePositionToFile (char *filename)
13446 if (strcmp(filename, "-") == 0) {
13447 return SavePosition(stdout, 0, NULL);
13449 f = fopen(filename, "a");
13451 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13452 DisplayError(buf, errno);
13455 safeStrCpy(buf, lastMsg, MSG_SIZ);
13456 DisplayMessage(_("Waiting for access to save file"), "");
13457 flock(fileno(f), LOCK_EX); // [HGM] lock
13458 DisplayMessage(_("Saving position"), "");
13459 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13460 SavePosition(f, 0, NULL);
13461 DisplayMessage(buf, "");
13467 /* Save the current position to the given open file and close the file */
13469 SavePosition (FILE *f, int dummy, char *dummy2)
13474 if (gameMode == EditPosition) EditPositionDone(TRUE);
13475 if (appData.oldSaveStyle) {
13476 tm = time((time_t *) NULL);
13478 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13480 fprintf(f, "[--------------\n");
13481 PrintPosition(f, currentMove);
13482 fprintf(f, "--------------]\n");
13484 fen = PositionToFEN(currentMove, NULL, 1);
13485 fprintf(f, "%s\n", fen);
13493 ReloadCmailMsgEvent (int unregister)
13496 static char *inFilename = NULL;
13497 static char *outFilename;
13499 struct stat inbuf, outbuf;
13502 /* Any registered moves are unregistered if unregister is set, */
13503 /* i.e. invoked by the signal handler */
13505 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13506 cmailMoveRegistered[i] = FALSE;
13507 if (cmailCommentList[i] != NULL) {
13508 free(cmailCommentList[i]);
13509 cmailCommentList[i] = NULL;
13512 nCmailMovesRegistered = 0;
13515 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13516 cmailResult[i] = CMAIL_NOT_RESULT;
13520 if (inFilename == NULL) {
13521 /* Because the filenames are static they only get malloced once */
13522 /* and they never get freed */
13523 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13524 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13526 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13527 sprintf(outFilename, "%s.out", appData.cmailGameName);
13530 status = stat(outFilename, &outbuf);
13532 cmailMailedMove = FALSE;
13534 status = stat(inFilename, &inbuf);
13535 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13538 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13539 counts the games, notes how each one terminated, etc.
13541 It would be nice to remove this kludge and instead gather all
13542 the information while building the game list. (And to keep it
13543 in the game list nodes instead of having a bunch of fixed-size
13544 parallel arrays.) Note this will require getting each game's
13545 termination from the PGN tags, as the game list builder does
13546 not process the game moves. --mann
13548 cmailMsgLoaded = TRUE;
13549 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13551 /* Load first game in the file or popup game menu */
13552 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13554 #endif /* !WIN32 */
13562 char string[MSG_SIZ];
13564 if ( cmailMailedMove
13565 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13566 return TRUE; /* Allow free viewing */
13569 /* Unregister move to ensure that we don't leave RegisterMove */
13570 /* with the move registered when the conditions for registering no */
13572 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13573 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13574 nCmailMovesRegistered --;
13576 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13578 free(cmailCommentList[lastLoadGameNumber - 1]);
13579 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13583 if (cmailOldMove == -1) {
13584 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13588 if (currentMove > cmailOldMove + 1) {
13589 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13593 if (currentMove < cmailOldMove) {
13594 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13598 if (forwardMostMove > currentMove) {
13599 /* Silently truncate extra moves */
13603 if ( (currentMove == cmailOldMove + 1)
13604 || ( (currentMove == cmailOldMove)
13605 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13606 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13607 if (gameInfo.result != GameUnfinished) {
13608 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13611 if (commentList[currentMove] != NULL) {
13612 cmailCommentList[lastLoadGameNumber - 1]
13613 = StrSave(commentList[currentMove]);
13615 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13617 if (appData.debugMode)
13618 fprintf(debugFP, "Saving %s for game %d\n",
13619 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13621 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13623 f = fopen(string, "w");
13624 if (appData.oldSaveStyle) {
13625 SaveGameOldStyle(f); /* also closes the file */
13627 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13628 f = fopen(string, "w");
13629 SavePosition(f, 0, NULL); /* also closes the file */
13631 fprintf(f, "{--------------\n");
13632 PrintPosition(f, currentMove);
13633 fprintf(f, "--------------}\n\n");
13635 SaveGame(f, 0, NULL); /* also closes the file*/
13638 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13639 nCmailMovesRegistered ++;
13640 } else if (nCmailGames == 1) {
13641 DisplayError(_("You have not made a move yet"), 0);
13652 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13653 FILE *commandOutput;
13654 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13655 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13661 if (! cmailMsgLoaded) {
13662 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13666 if (nCmailGames == nCmailResults) {
13667 DisplayError(_("No unfinished games"), 0);
13671 #if CMAIL_PROHIBIT_REMAIL
13672 if (cmailMailedMove) {
13673 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);
13674 DisplayError(msg, 0);
13679 if (! (cmailMailedMove || RegisterMove())) return;
13681 if ( cmailMailedMove
13682 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13683 snprintf(string, MSG_SIZ, partCommandString,
13684 appData.debugMode ? " -v" : "", appData.cmailGameName);
13685 commandOutput = popen(string, "r");
13687 if (commandOutput == NULL) {
13688 DisplayError(_("Failed to invoke cmail"), 0);
13690 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13691 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13693 if (nBuffers > 1) {
13694 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13695 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13696 nBytes = MSG_SIZ - 1;
13698 (void) memcpy(msg, buffer, nBytes);
13700 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13702 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13703 cmailMailedMove = TRUE; /* Prevent >1 moves */
13706 for (i = 0; i < nCmailGames; i ++) {
13707 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13712 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13714 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13716 appData.cmailGameName,
13718 LoadGameFromFile(buffer, 1, buffer, FALSE);
13719 cmailMsgLoaded = FALSE;
13723 DisplayInformation(msg);
13724 pclose(commandOutput);
13727 if ((*cmailMsg) != '\0') {
13728 DisplayInformation(cmailMsg);
13733 #endif /* !WIN32 */
13742 int prependComma = 0;
13744 char string[MSG_SIZ]; /* Space for game-list */
13747 if (!cmailMsgLoaded) return "";
13749 if (cmailMailedMove) {
13750 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13752 /* Create a list of games left */
13753 snprintf(string, MSG_SIZ, "[");
13754 for (i = 0; i < nCmailGames; i ++) {
13755 if (! ( cmailMoveRegistered[i]
13756 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13757 if (prependComma) {
13758 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13760 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13764 strcat(string, number);
13767 strcat(string, "]");
13769 if (nCmailMovesRegistered + nCmailResults == 0) {
13770 switch (nCmailGames) {
13772 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13776 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13780 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13785 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13787 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13792 if (nCmailResults == nCmailGames) {
13793 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13795 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13800 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13812 if (gameMode == Training)
13813 SetTrainingModeOff();
13816 cmailMsgLoaded = FALSE;
13817 if (appData.icsActive) {
13818 SendToICS(ics_prefix);
13819 SendToICS("refresh\n");
13824 ExitEvent (int status)
13828 /* Give up on clean exit */
13832 /* Keep trying for clean exit */
13836 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13838 if (telnetISR != NULL) {
13839 RemoveInputSource(telnetISR);
13841 if (icsPR != NoProc) {
13842 DestroyChildProcess(icsPR, TRUE);
13845 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13846 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13848 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13849 /* make sure this other one finishes before killing it! */
13850 if(endingGame) { int count = 0;
13851 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13852 while(endingGame && count++ < 10) DoSleep(1);
13853 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13856 /* Kill off chess programs */
13857 if (first.pr != NoProc) {
13860 DoSleep( appData.delayBeforeQuit );
13861 SendToProgram("quit\n", &first);
13862 DoSleep( appData.delayAfterQuit );
13863 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13865 if (second.pr != NoProc) {
13866 DoSleep( appData.delayBeforeQuit );
13867 SendToProgram("quit\n", &second);
13868 DoSleep( appData.delayAfterQuit );
13869 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13871 if (first.isr != NULL) {
13872 RemoveInputSource(first.isr);
13874 if (second.isr != NULL) {
13875 RemoveInputSource(second.isr);
13878 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13879 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13881 ShutDownFrontEnd();
13886 PauseEngine (ChessProgramState *cps)
13888 SendToProgram("pause\n", cps);
13893 UnPauseEngine (ChessProgramState *cps)
13895 SendToProgram("resume\n", cps);
13902 if (appData.debugMode)
13903 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13907 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13909 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13910 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13911 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13913 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13914 HandleMachineMove(stashedInputMove, stalledEngine);
13915 stalledEngine = NULL;
13918 if (gameMode == MachinePlaysWhite ||
13919 gameMode == TwoMachinesPlay ||
13920 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13921 if(first.pause) UnPauseEngine(&first);
13922 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13923 if(second.pause) UnPauseEngine(&second);
13924 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13927 DisplayBothClocks();
13929 if (gameMode == PlayFromGameFile) {
13930 if (appData.timeDelay >= 0)
13931 AutoPlayGameLoop();
13932 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13933 Reset(FALSE, TRUE);
13934 SendToICS(ics_prefix);
13935 SendToICS("refresh\n");
13936 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13937 ForwardInner(forwardMostMove);
13939 pauseExamInvalid = FALSE;
13941 switch (gameMode) {
13945 pauseExamForwardMostMove = forwardMostMove;
13946 pauseExamInvalid = FALSE;
13949 case IcsPlayingWhite:
13950 case IcsPlayingBlack:
13954 case PlayFromGameFile:
13955 (void) StopLoadGameTimer();
13959 case BeginningOfGame:
13960 if (appData.icsActive) return;
13961 /* else fall through */
13962 case MachinePlaysWhite:
13963 case MachinePlaysBlack:
13964 case TwoMachinesPlay:
13965 if (forwardMostMove == 0)
13966 return; /* don't pause if no one has moved */
13967 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13968 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13969 if(onMove->pause) { // thinking engine can be paused
13970 PauseEngine(onMove); // do it
13971 if(onMove->other->pause) // pondering opponent can always be paused immediately
13972 PauseEngine(onMove->other);
13974 SendToProgram("easy\n", onMove->other);
13976 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13977 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13979 PauseEngine(&first);
13981 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13982 } else { // human on move, pause pondering by either method
13984 PauseEngine(&first);
13985 else if(appData.ponderNextMove)
13986 SendToProgram("easy\n", &first);
13989 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13999 EditCommentEvent ()
14001 char title[MSG_SIZ];
14003 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14004 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14006 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14007 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14008 parseList[currentMove - 1]);
14011 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14018 char *tags = PGNTags(&gameInfo);
14020 EditTagsPopUp(tags, NULL);
14027 if(second.analyzing) {
14028 SendToProgram("exit\n", &second);
14029 second.analyzing = FALSE;
14031 if (second.pr == NoProc) StartChessProgram(&second);
14032 InitChessProgram(&second, FALSE);
14033 FeedMovesToProgram(&second, currentMove);
14035 SendToProgram("analyze\n", &second);
14036 second.analyzing = TRUE;
14040 /* Toggle ShowThinking */
14042 ToggleShowThinking()
14044 appData.showThinking = !appData.showThinking;
14045 ShowThinkingEvent();
14049 AnalyzeModeEvent ()
14053 if (!first.analysisSupport) {
14054 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14055 DisplayError(buf, 0);
14058 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14059 if (appData.icsActive) {
14060 if (gameMode != IcsObserving) {
14061 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14062 DisplayError(buf, 0);
14064 if (appData.icsEngineAnalyze) {
14065 if (appData.debugMode)
14066 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14072 /* if enable, user wants to disable icsEngineAnalyze */
14073 if (appData.icsEngineAnalyze) {
14078 appData.icsEngineAnalyze = TRUE;
14079 if (appData.debugMode)
14080 fprintf(debugFP, "ICS engine analyze starting... \n");
14083 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14084 if (appData.noChessProgram || gameMode == AnalyzeMode)
14087 if (gameMode != AnalyzeFile) {
14088 if (!appData.icsEngineAnalyze) {
14090 if (gameMode != EditGame) return 0;
14092 if (!appData.showThinking) ToggleShowThinking();
14093 ResurrectChessProgram();
14094 SendToProgram("analyze\n", &first);
14095 first.analyzing = TRUE;
14096 /*first.maybeThinking = TRUE;*/
14097 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14098 EngineOutputPopUp();
14100 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
14105 StartAnalysisClock();
14106 GetTimeMark(&lastNodeCountTime);
14112 AnalyzeFileEvent ()
14114 if (appData.noChessProgram || gameMode == AnalyzeFile)
14117 if (!first.analysisSupport) {
14119 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14120 DisplayError(buf, 0);
14124 if (gameMode != AnalyzeMode) {
14125 keepInfo = 1; // mere annotating should not alter PGN tags
14128 if (gameMode != EditGame) return;
14129 if (!appData.showThinking) ToggleShowThinking();
14130 ResurrectChessProgram();
14131 SendToProgram("analyze\n", &first);
14132 first.analyzing = TRUE;
14133 /*first.maybeThinking = TRUE;*/
14134 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14135 EngineOutputPopUp();
14137 gameMode = AnalyzeFile;
14141 StartAnalysisClock();
14142 GetTimeMark(&lastNodeCountTime);
14144 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14145 AnalysisPeriodicEvent(1);
14149 MachineWhiteEvent ()
14152 char *bookHit = NULL;
14154 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14158 if (gameMode == PlayFromGameFile ||
14159 gameMode == TwoMachinesPlay ||
14160 gameMode == Training ||
14161 gameMode == AnalyzeMode ||
14162 gameMode == EndOfGame)
14165 if (gameMode == EditPosition)
14166 EditPositionDone(TRUE);
14168 if (!WhiteOnMove(currentMove)) {
14169 DisplayError(_("It is not White's turn"), 0);
14173 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14176 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14177 gameMode == AnalyzeFile)
14180 ResurrectChessProgram(); /* in case it isn't running */
14181 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14182 gameMode = MachinePlaysWhite;
14185 gameMode = MachinePlaysWhite;
14189 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14191 if (first.sendName) {
14192 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14193 SendToProgram(buf, &first);
14195 if (first.sendTime) {
14196 if (first.useColors) {
14197 SendToProgram("black\n", &first); /*gnu kludge*/
14199 SendTimeRemaining(&first, TRUE);
14201 if (first.useColors) {
14202 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14204 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14205 SetMachineThinkingEnables();
14206 first.maybeThinking = TRUE;
14210 if (appData.autoFlipView && !flipView) {
14211 flipView = !flipView;
14212 DrawPosition(FALSE, NULL);
14213 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14216 if(bookHit) { // [HGM] book: simulate book reply
14217 static char bookMove[MSG_SIZ]; // a bit generous?
14219 programStats.nodes = programStats.depth = programStats.time =
14220 programStats.score = programStats.got_only_move = 0;
14221 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14223 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14224 strcat(bookMove, bookHit);
14225 HandleMachineMove(bookMove, &first);
14230 MachineBlackEvent ()
14233 char *bookHit = NULL;
14235 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14239 if (gameMode == PlayFromGameFile ||
14240 gameMode == TwoMachinesPlay ||
14241 gameMode == Training ||
14242 gameMode == AnalyzeMode ||
14243 gameMode == EndOfGame)
14246 if (gameMode == EditPosition)
14247 EditPositionDone(TRUE);
14249 if (WhiteOnMove(currentMove)) {
14250 DisplayError(_("It is not Black's turn"), 0);
14254 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14257 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14258 gameMode == AnalyzeFile)
14261 ResurrectChessProgram(); /* in case it isn't running */
14262 gameMode = MachinePlaysBlack;
14266 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14268 if (first.sendName) {
14269 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14270 SendToProgram(buf, &first);
14272 if (first.sendTime) {
14273 if (first.useColors) {
14274 SendToProgram("white\n", &first); /*gnu kludge*/
14276 SendTimeRemaining(&first, FALSE);
14278 if (first.useColors) {
14279 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14281 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14282 SetMachineThinkingEnables();
14283 first.maybeThinking = TRUE;
14286 if (appData.autoFlipView && flipView) {
14287 flipView = !flipView;
14288 DrawPosition(FALSE, NULL);
14289 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14291 if(bookHit) { // [HGM] book: simulate book reply
14292 static char bookMove[MSG_SIZ]; // a bit generous?
14294 programStats.nodes = programStats.depth = programStats.time =
14295 programStats.score = programStats.got_only_move = 0;
14296 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14298 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14299 strcat(bookMove, bookHit);
14300 HandleMachineMove(bookMove, &first);
14306 DisplayTwoMachinesTitle ()
14309 if (appData.matchGames > 0) {
14310 if(appData.tourneyFile[0]) {
14311 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14312 gameInfo.white, _("vs."), gameInfo.black,
14313 nextGame+1, appData.matchGames+1,
14314 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14316 if (first.twoMachinesColor[0] == 'w') {
14317 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14318 gameInfo.white, _("vs."), gameInfo.black,
14319 first.matchWins, second.matchWins,
14320 matchGame - 1 - (first.matchWins + second.matchWins));
14322 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14323 gameInfo.white, _("vs."), gameInfo.black,
14324 second.matchWins, first.matchWins,
14325 matchGame - 1 - (first.matchWins + second.matchWins));
14328 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14334 SettingsMenuIfReady ()
14336 if (second.lastPing != second.lastPong) {
14337 DisplayMessage("", _("Waiting for second chess program"));
14338 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14342 DisplayMessage("", "");
14343 SettingsPopUp(&second);
14347 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14350 if (cps->pr == NoProc) {
14351 StartChessProgram(cps);
14352 if (cps->protocolVersion == 1) {
14354 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14356 /* kludge: allow timeout for initial "feature" command */
14357 if(retry != TwoMachinesEventIfReady) FreezeUI();
14358 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14359 DisplayMessage("", buf);
14360 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14368 TwoMachinesEvent P((void))
14372 ChessProgramState *onmove;
14373 char *bookHit = NULL;
14374 static int stalling = 0;
14378 if (appData.noChessProgram) return;
14380 switch (gameMode) {
14381 case TwoMachinesPlay:
14383 case MachinePlaysWhite:
14384 case MachinePlaysBlack:
14385 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14386 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14390 case BeginningOfGame:
14391 case PlayFromGameFile:
14394 if (gameMode != EditGame) return;
14397 EditPositionDone(TRUE);
14408 // forwardMostMove = currentMove;
14409 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14410 startingEngine = TRUE;
14412 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14414 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14415 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14416 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14419 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14421 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14422 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14423 startingEngine = FALSE;
14424 DisplayError("second engine does not play this", 0);
14429 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14430 SendToProgram("force\n", &second);
14432 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14435 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14436 if(appData.matchPause>10000 || appData.matchPause<10)
14437 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14438 wait = SubtractTimeMarks(&now, &pauseStart);
14439 if(wait < appData.matchPause) {
14440 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14443 // we are now committed to starting the game
14445 DisplayMessage("", "");
14446 if (startedFromSetupPosition) {
14447 SendBoard(&second, backwardMostMove);
14448 if (appData.debugMode) {
14449 fprintf(debugFP, "Two Machines\n");
14452 for (i = backwardMostMove; i < forwardMostMove; i++) {
14453 SendMoveToProgram(i, &second);
14456 gameMode = TwoMachinesPlay;
14457 pausing = startingEngine = FALSE;
14458 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14460 DisplayTwoMachinesTitle();
14462 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14467 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14468 SendToProgram(first.computerString, &first);
14469 if (first.sendName) {
14470 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14471 SendToProgram(buf, &first);
14473 SendToProgram(second.computerString, &second);
14474 if (second.sendName) {
14475 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14476 SendToProgram(buf, &second);
14480 if (!first.sendTime || !second.sendTime) {
14481 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14482 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14484 if (onmove->sendTime) {
14485 if (onmove->useColors) {
14486 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14488 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14490 if (onmove->useColors) {
14491 SendToProgram(onmove->twoMachinesColor, onmove);
14493 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14494 // SendToProgram("go\n", onmove);
14495 onmove->maybeThinking = TRUE;
14496 SetMachineThinkingEnables();
14500 if(bookHit) { // [HGM] book: simulate book reply
14501 static char bookMove[MSG_SIZ]; // a bit generous?
14503 programStats.nodes = programStats.depth = programStats.time =
14504 programStats.score = programStats.got_only_move = 0;
14505 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14507 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14508 strcat(bookMove, bookHit);
14509 savedMessage = bookMove; // args for deferred call
14510 savedState = onmove;
14511 ScheduleDelayedEvent(DeferredBookMove, 1);
14518 if (gameMode == Training) {
14519 SetTrainingModeOff();
14520 gameMode = PlayFromGameFile;
14521 DisplayMessage("", _("Training mode off"));
14523 gameMode = Training;
14524 animateTraining = appData.animate;
14526 /* make sure we are not already at the end of the game */
14527 if (currentMove < forwardMostMove) {
14528 SetTrainingModeOn();
14529 DisplayMessage("", _("Training mode on"));
14531 gameMode = PlayFromGameFile;
14532 DisplayError(_("Already at end of game"), 0);
14541 if (!appData.icsActive) return;
14542 switch (gameMode) {
14543 case IcsPlayingWhite:
14544 case IcsPlayingBlack:
14547 case BeginningOfGame:
14555 EditPositionDone(TRUE);
14568 gameMode = IcsIdle;
14578 switch (gameMode) {
14580 SetTrainingModeOff();
14582 case MachinePlaysWhite:
14583 case MachinePlaysBlack:
14584 case BeginningOfGame:
14585 SendToProgram("force\n", &first);
14586 SetUserThinkingEnables();
14588 case PlayFromGameFile:
14589 (void) StopLoadGameTimer();
14590 if (gameFileFP != NULL) {
14595 EditPositionDone(TRUE);
14600 SendToProgram("force\n", &first);
14602 case TwoMachinesPlay:
14603 GameEnds(EndOfFile, NULL, GE_PLAYER);
14604 ResurrectChessProgram();
14605 SetUserThinkingEnables();
14608 ResurrectChessProgram();
14610 case IcsPlayingBlack:
14611 case IcsPlayingWhite:
14612 DisplayError(_("Warning: You are still playing a game"), 0);
14615 DisplayError(_("Warning: You are still observing a game"), 0);
14618 DisplayError(_("Warning: You are still examining a game"), 0);
14629 first.offeredDraw = second.offeredDraw = 0;
14631 if (gameMode == PlayFromGameFile) {
14632 whiteTimeRemaining = timeRemaining[0][currentMove];
14633 blackTimeRemaining = timeRemaining[1][currentMove];
14637 if (gameMode == MachinePlaysWhite ||
14638 gameMode == MachinePlaysBlack ||
14639 gameMode == TwoMachinesPlay ||
14640 gameMode == EndOfGame) {
14641 i = forwardMostMove;
14642 while (i > currentMove) {
14643 SendToProgram("undo\n", &first);
14646 if(!adjustedClock) {
14647 whiteTimeRemaining = timeRemaining[0][currentMove];
14648 blackTimeRemaining = timeRemaining[1][currentMove];
14649 DisplayBothClocks();
14651 if (whiteFlag || blackFlag) {
14652 whiteFlag = blackFlag = 0;
14657 gameMode = EditGame;
14664 EditPositionEvent ()
14666 if (gameMode == EditPosition) {
14672 if (gameMode != EditGame) return;
14674 gameMode = EditPosition;
14677 if (currentMove > 0)
14678 CopyBoard(boards[0], boards[currentMove]);
14680 blackPlaysFirst = !WhiteOnMove(currentMove);
14682 currentMove = forwardMostMove = backwardMostMove = 0;
14683 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14685 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14691 /* [DM] icsEngineAnalyze - possible call from other functions */
14692 if (appData.icsEngineAnalyze) {
14693 appData.icsEngineAnalyze = FALSE;
14695 DisplayMessage("",_("Close ICS engine analyze..."));
14697 if (first.analysisSupport && first.analyzing) {
14698 SendToBoth("exit\n");
14699 first.analyzing = second.analyzing = FALSE;
14701 thinkOutput[0] = NULLCHAR;
14705 EditPositionDone (Boolean fakeRights)
14707 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14709 startedFromSetupPosition = TRUE;
14710 InitChessProgram(&first, FALSE);
14711 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14712 boards[0][EP_STATUS] = EP_NONE;
14713 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14714 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14715 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14716 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14717 } else boards[0][CASTLING][2] = NoRights;
14718 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14719 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14720 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14721 } else boards[0][CASTLING][5] = NoRights;
14722 if(gameInfo.variant == VariantSChess) {
14724 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14725 boards[0][VIRGIN][i] = 0;
14726 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14727 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14731 SendToProgram("force\n", &first);
14732 if (blackPlaysFirst) {
14733 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14734 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14735 currentMove = forwardMostMove = backwardMostMove = 1;
14736 CopyBoard(boards[1], boards[0]);
14738 currentMove = forwardMostMove = backwardMostMove = 0;
14740 SendBoard(&first, forwardMostMove);
14741 if (appData.debugMode) {
14742 fprintf(debugFP, "EditPosDone\n");
14745 DisplayMessage("", "");
14746 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14747 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14748 gameMode = EditGame;
14750 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14751 ClearHighlights(); /* [AS] */
14754 /* Pause for `ms' milliseconds */
14755 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14757 TimeDelay (long ms)
14764 } while (SubtractTimeMarks(&m2, &m1) < ms);
14767 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14769 SendMultiLineToICS (char *buf)
14771 char temp[MSG_SIZ+1], *p;
14778 strncpy(temp, buf, len);
14783 if (*p == '\n' || *p == '\r')
14788 strcat(temp, "\n");
14790 SendToPlayer(temp, strlen(temp));
14794 SetWhiteToPlayEvent ()
14796 if (gameMode == EditPosition) {
14797 blackPlaysFirst = FALSE;
14798 DisplayBothClocks(); /* works because currentMove is 0 */
14799 } else if (gameMode == IcsExamining) {
14800 SendToICS(ics_prefix);
14801 SendToICS("tomove white\n");
14806 SetBlackToPlayEvent ()
14808 if (gameMode == EditPosition) {
14809 blackPlaysFirst = TRUE;
14810 currentMove = 1; /* kludge */
14811 DisplayBothClocks();
14813 } else if (gameMode == IcsExamining) {
14814 SendToICS(ics_prefix);
14815 SendToICS("tomove black\n");
14820 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14823 ChessSquare piece = boards[0][y][x];
14824 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14825 static int lastVariant;
14827 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14829 switch (selection) {
14831 CopyBoard(currentBoard, boards[0]);
14832 CopyBoard(menuBoard, initialPosition);
14833 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14834 SendToICS(ics_prefix);
14835 SendToICS("bsetup clear\n");
14836 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14837 SendToICS(ics_prefix);
14838 SendToICS("clearboard\n");
14841 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14842 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14843 for (y = 0; y < BOARD_HEIGHT; y++) {
14844 if (gameMode == IcsExamining) {
14845 if (boards[currentMove][y][x] != EmptySquare) {
14846 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14851 if(boards[0][y][x] != p) nonEmpty++;
14852 boards[0][y][x] = p;
14855 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14857 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14858 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14859 ChessSquare p = menuBoard[0][x];
14860 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
14861 p = menuBoard[BOARD_HEIGHT-1][x];
14862 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
14864 DisplayMessage("Clicking clock again restores position", "");
14865 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
14866 if(!nonEmpty) { // asked to clear an empty board
14867 CopyBoard(boards[0], menuBoard);
14869 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
14870 CopyBoard(boards[0], initialPosition);
14872 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
14873 && !CompareBoards(nullBoard, erasedBoard)) {
14874 CopyBoard(boards[0], erasedBoard);
14876 CopyBoard(erasedBoard, currentBoard);
14880 if (gameMode == EditPosition) {
14881 DrawPosition(FALSE, boards[0]);
14886 SetWhiteToPlayEvent();
14890 SetBlackToPlayEvent();
14894 if (gameMode == IcsExamining) {
14895 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14896 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14899 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14900 if(x == BOARD_LEFT-2) {
14901 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14902 boards[0][y][1] = 0;
14904 if(x == BOARD_RGHT+1) {
14905 if(y >= gameInfo.holdingsSize) break;
14906 boards[0][y][BOARD_WIDTH-2] = 0;
14909 boards[0][y][x] = EmptySquare;
14910 DrawPosition(FALSE, boards[0]);
14915 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14916 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14917 selection = (ChessSquare) (PROMOTED piece);
14918 } else if(piece == EmptySquare) selection = WhiteSilver;
14919 else selection = (ChessSquare)((int)piece - 1);
14923 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14924 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14925 selection = (ChessSquare) (DEMOTED piece);
14926 } else if(piece == EmptySquare) selection = BlackSilver;
14927 else selection = (ChessSquare)((int)piece + 1);
14932 if(gameInfo.variant == VariantShatranj ||
14933 gameInfo.variant == VariantXiangqi ||
14934 gameInfo.variant == VariantCourier ||
14935 gameInfo.variant == VariantASEAN ||
14936 gameInfo.variant == VariantMakruk )
14937 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14942 if(gameInfo.variant == VariantXiangqi)
14943 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14944 if(gameInfo.variant == VariantKnightmate)
14945 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14948 if (gameMode == IcsExamining) {
14949 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14950 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14951 PieceToChar(selection), AAA + x, ONE + y);
14954 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14956 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14957 n = PieceToNumber(selection - BlackPawn);
14958 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14959 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14960 boards[0][BOARD_HEIGHT-1-n][1]++;
14962 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14963 n = PieceToNumber(selection);
14964 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14965 boards[0][n][BOARD_WIDTH-1] = selection;
14966 boards[0][n][BOARD_WIDTH-2]++;
14969 boards[0][y][x] = selection;
14970 DrawPosition(TRUE, boards[0]);
14972 fromX = fromY = -1;
14980 DropMenuEvent (ChessSquare selection, int x, int y)
14982 ChessMove moveType;
14984 switch (gameMode) {
14985 case IcsPlayingWhite:
14986 case MachinePlaysBlack:
14987 if (!WhiteOnMove(currentMove)) {
14988 DisplayMoveError(_("It is Black's turn"));
14991 moveType = WhiteDrop;
14993 case IcsPlayingBlack:
14994 case MachinePlaysWhite:
14995 if (WhiteOnMove(currentMove)) {
14996 DisplayMoveError(_("It is White's turn"));
14999 moveType = BlackDrop;
15002 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15008 if (moveType == BlackDrop && selection < BlackPawn) {
15009 selection = (ChessSquare) ((int) selection
15010 + (int) BlackPawn - (int) WhitePawn);
15012 if (boards[currentMove][y][x] != EmptySquare) {
15013 DisplayMoveError(_("That square is occupied"));
15017 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15023 /* Accept a pending offer of any kind from opponent */
15025 if (appData.icsActive) {
15026 SendToICS(ics_prefix);
15027 SendToICS("accept\n");
15028 } else if (cmailMsgLoaded) {
15029 if (currentMove == cmailOldMove &&
15030 commentList[cmailOldMove] != NULL &&
15031 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15032 "Black offers a draw" : "White offers a draw")) {
15034 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15035 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15037 DisplayError(_("There is no pending offer on this move"), 0);
15038 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15041 /* Not used for offers from chess program */
15048 /* Decline a pending offer of any kind from opponent */
15050 if (appData.icsActive) {
15051 SendToICS(ics_prefix);
15052 SendToICS("decline\n");
15053 } else if (cmailMsgLoaded) {
15054 if (currentMove == cmailOldMove &&
15055 commentList[cmailOldMove] != NULL &&
15056 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15057 "Black offers a draw" : "White offers a draw")) {
15059 AppendComment(cmailOldMove, "Draw declined", TRUE);
15060 DisplayComment(cmailOldMove - 1, "Draw declined");
15063 DisplayError(_("There is no pending offer on this move"), 0);
15066 /* Not used for offers from chess program */
15073 /* Issue ICS rematch command */
15074 if (appData.icsActive) {
15075 SendToICS(ics_prefix);
15076 SendToICS("rematch\n");
15083 /* Call your opponent's flag (claim a win on time) */
15084 if (appData.icsActive) {
15085 SendToICS(ics_prefix);
15086 SendToICS("flag\n");
15088 switch (gameMode) {
15091 case MachinePlaysWhite:
15094 GameEnds(GameIsDrawn, "Both players ran out of time",
15097 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15099 DisplayError(_("Your opponent is not out of time"), 0);
15102 case MachinePlaysBlack:
15105 GameEnds(GameIsDrawn, "Both players ran out of time",
15108 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15110 DisplayError(_("Your opponent is not out of time"), 0);
15118 ClockClick (int which)
15119 { // [HGM] code moved to back-end from winboard.c
15120 if(which) { // black clock
15121 if (gameMode == EditPosition || gameMode == IcsExamining) {
15122 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15123 SetBlackToPlayEvent();
15124 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15125 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15126 } else if (shiftKey) {
15127 AdjustClock(which, -1);
15128 } else if (gameMode == IcsPlayingWhite ||
15129 gameMode == MachinePlaysBlack) {
15132 } else { // white clock
15133 if (gameMode == EditPosition || gameMode == IcsExamining) {
15134 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15135 SetWhiteToPlayEvent();
15136 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15137 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15138 } else if (shiftKey) {
15139 AdjustClock(which, -1);
15140 } else if (gameMode == IcsPlayingBlack ||
15141 gameMode == MachinePlaysWhite) {
15150 /* Offer draw or accept pending draw offer from opponent */
15152 if (appData.icsActive) {
15153 /* Note: tournament rules require draw offers to be
15154 made after you make your move but before you punch
15155 your clock. Currently ICS doesn't let you do that;
15156 instead, you immediately punch your clock after making
15157 a move, but you can offer a draw at any time. */
15159 SendToICS(ics_prefix);
15160 SendToICS("draw\n");
15161 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15162 } else if (cmailMsgLoaded) {
15163 if (currentMove == cmailOldMove &&
15164 commentList[cmailOldMove] != NULL &&
15165 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15166 "Black offers a draw" : "White offers a draw")) {
15167 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15168 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15169 } else if (currentMove == cmailOldMove + 1) {
15170 char *offer = WhiteOnMove(cmailOldMove) ?
15171 "White offers a draw" : "Black offers a draw";
15172 AppendComment(currentMove, offer, TRUE);
15173 DisplayComment(currentMove - 1, offer);
15174 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15176 DisplayError(_("You must make your move before offering a draw"), 0);
15177 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15179 } else if (first.offeredDraw) {
15180 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15182 if (first.sendDrawOffers) {
15183 SendToProgram("draw\n", &first);
15184 userOfferedDraw = TRUE;
15192 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15194 if (appData.icsActive) {
15195 SendToICS(ics_prefix);
15196 SendToICS("adjourn\n");
15198 /* Currently GNU Chess doesn't offer or accept Adjourns */
15206 /* Offer Abort or accept pending Abort offer from opponent */
15208 if (appData.icsActive) {
15209 SendToICS(ics_prefix);
15210 SendToICS("abort\n");
15212 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15219 /* Resign. You can do this even if it's not your turn. */
15221 if (appData.icsActive) {
15222 SendToICS(ics_prefix);
15223 SendToICS("resign\n");
15225 switch (gameMode) {
15226 case MachinePlaysWhite:
15227 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15229 case MachinePlaysBlack:
15230 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15233 if (cmailMsgLoaded) {
15235 if (WhiteOnMove(cmailOldMove)) {
15236 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15238 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15240 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15251 StopObservingEvent ()
15253 /* Stop observing current games */
15254 SendToICS(ics_prefix);
15255 SendToICS("unobserve\n");
15259 StopExaminingEvent ()
15261 /* Stop observing current game */
15262 SendToICS(ics_prefix);
15263 SendToICS("unexamine\n");
15267 ForwardInner (int target)
15269 int limit; int oldSeekGraphUp = seekGraphUp;
15271 if (appData.debugMode)
15272 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15273 target, currentMove, forwardMostMove);
15275 if (gameMode == EditPosition)
15278 seekGraphUp = FALSE;
15279 MarkTargetSquares(1);
15281 if (gameMode == PlayFromGameFile && !pausing)
15284 if (gameMode == IcsExamining && pausing)
15285 limit = pauseExamForwardMostMove;
15287 limit = forwardMostMove;
15289 if (target > limit) target = limit;
15291 if (target > 0 && moveList[target - 1][0]) {
15292 int fromX, fromY, toX, toY;
15293 toX = moveList[target - 1][2] - AAA;
15294 toY = moveList[target - 1][3] - ONE;
15295 if (moveList[target - 1][1] == '@') {
15296 if (appData.highlightLastMove) {
15297 SetHighlights(-1, -1, toX, toY);
15300 fromX = moveList[target - 1][0] - AAA;
15301 fromY = moveList[target - 1][1] - ONE;
15302 if (target == currentMove + 1) {
15303 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15305 if (appData.highlightLastMove) {
15306 SetHighlights(fromX, fromY, toX, toY);
15310 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15311 gameMode == Training || gameMode == PlayFromGameFile ||
15312 gameMode == AnalyzeFile) {
15313 while (currentMove < target) {
15314 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15315 SendMoveToProgram(currentMove++, &first);
15318 currentMove = target;
15321 if (gameMode == EditGame || gameMode == EndOfGame) {
15322 whiteTimeRemaining = timeRemaining[0][currentMove];
15323 blackTimeRemaining = timeRemaining[1][currentMove];
15325 DisplayBothClocks();
15326 DisplayMove(currentMove - 1);
15327 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15328 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15329 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15330 DisplayComment(currentMove - 1, commentList[currentMove]);
15332 ClearMap(); // [HGM] exclude: invalidate map
15339 if (gameMode == IcsExamining && !pausing) {
15340 SendToICS(ics_prefix);
15341 SendToICS("forward\n");
15343 ForwardInner(currentMove + 1);
15350 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15351 /* to optimze, we temporarily turn off analysis mode while we feed
15352 * the remaining moves to the engine. Otherwise we get analysis output
15355 if (first.analysisSupport) {
15356 SendToProgram("exit\nforce\n", &first);
15357 first.analyzing = FALSE;
15361 if (gameMode == IcsExamining && !pausing) {
15362 SendToICS(ics_prefix);
15363 SendToICS("forward 999999\n");
15365 ForwardInner(forwardMostMove);
15368 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15369 /* we have fed all the moves, so reactivate analysis mode */
15370 SendToProgram("analyze\n", &first);
15371 first.analyzing = TRUE;
15372 /*first.maybeThinking = TRUE;*/
15373 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15378 BackwardInner (int target)
15380 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15382 if (appData.debugMode)
15383 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15384 target, currentMove, forwardMostMove);
15386 if (gameMode == EditPosition) return;
15387 seekGraphUp = FALSE;
15388 MarkTargetSquares(1);
15389 if (currentMove <= backwardMostMove) {
15391 DrawPosition(full_redraw, boards[currentMove]);
15394 if (gameMode == PlayFromGameFile && !pausing)
15397 if (moveList[target][0]) {
15398 int fromX, fromY, toX, toY;
15399 toX = moveList[target][2] - AAA;
15400 toY = moveList[target][3] - ONE;
15401 if (moveList[target][1] == '@') {
15402 if (appData.highlightLastMove) {
15403 SetHighlights(-1, -1, toX, toY);
15406 fromX = moveList[target][0] - AAA;
15407 fromY = moveList[target][1] - ONE;
15408 if (target == currentMove - 1) {
15409 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15411 if (appData.highlightLastMove) {
15412 SetHighlights(fromX, fromY, toX, toY);
15416 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15417 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15418 while (currentMove > target) {
15419 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15420 // null move cannot be undone. Reload program with move history before it.
15422 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15423 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15425 SendBoard(&first, i);
15426 if(second.analyzing) SendBoard(&second, i);
15427 for(currentMove=i; currentMove<target; currentMove++) {
15428 SendMoveToProgram(currentMove, &first);
15429 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15433 SendToBoth("undo\n");
15437 currentMove = target;
15440 if (gameMode == EditGame || gameMode == EndOfGame) {
15441 whiteTimeRemaining = timeRemaining[0][currentMove];
15442 blackTimeRemaining = timeRemaining[1][currentMove];
15444 DisplayBothClocks();
15445 DisplayMove(currentMove - 1);
15446 DrawPosition(full_redraw, boards[currentMove]);
15447 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15448 // [HGM] PV info: routine tests if comment empty
15449 DisplayComment(currentMove - 1, commentList[currentMove]);
15450 ClearMap(); // [HGM] exclude: invalidate map
15456 if (gameMode == IcsExamining && !pausing) {
15457 SendToICS(ics_prefix);
15458 SendToICS("backward\n");
15460 BackwardInner(currentMove - 1);
15467 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15468 /* to optimize, we temporarily turn off analysis mode while we undo
15469 * all the moves. Otherwise we get analysis output after each undo.
15471 if (first.analysisSupport) {
15472 SendToProgram("exit\nforce\n", &first);
15473 first.analyzing = FALSE;
15477 if (gameMode == IcsExamining && !pausing) {
15478 SendToICS(ics_prefix);
15479 SendToICS("backward 999999\n");
15481 BackwardInner(backwardMostMove);
15484 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15485 /* we have fed all the moves, so reactivate analysis mode */
15486 SendToProgram("analyze\n", &first);
15487 first.analyzing = TRUE;
15488 /*first.maybeThinking = TRUE;*/
15489 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15496 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15497 if (to >= forwardMostMove) to = forwardMostMove;
15498 if (to <= backwardMostMove) to = backwardMostMove;
15499 if (to < currentMove) {
15507 RevertEvent (Boolean annotate)
15509 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15512 if (gameMode != IcsExamining) {
15513 DisplayError(_("You are not examining a game"), 0);
15517 DisplayError(_("You can't revert while pausing"), 0);
15520 SendToICS(ics_prefix);
15521 SendToICS("revert\n");
15525 RetractMoveEvent ()
15527 switch (gameMode) {
15528 case MachinePlaysWhite:
15529 case MachinePlaysBlack:
15530 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15531 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15534 if (forwardMostMove < 2) return;
15535 currentMove = forwardMostMove = forwardMostMove - 2;
15536 whiteTimeRemaining = timeRemaining[0][currentMove];
15537 blackTimeRemaining = timeRemaining[1][currentMove];
15538 DisplayBothClocks();
15539 DisplayMove(currentMove - 1);
15540 ClearHighlights();/*!! could figure this out*/
15541 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15542 SendToProgram("remove\n", &first);
15543 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15546 case BeginningOfGame:
15550 case IcsPlayingWhite:
15551 case IcsPlayingBlack:
15552 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15553 SendToICS(ics_prefix);
15554 SendToICS("takeback 2\n");
15556 SendToICS(ics_prefix);
15557 SendToICS("takeback 1\n");
15566 ChessProgramState *cps;
15568 switch (gameMode) {
15569 case MachinePlaysWhite:
15570 if (!WhiteOnMove(forwardMostMove)) {
15571 DisplayError(_("It is your turn"), 0);
15576 case MachinePlaysBlack:
15577 if (WhiteOnMove(forwardMostMove)) {
15578 DisplayError(_("It is your turn"), 0);
15583 case TwoMachinesPlay:
15584 if (WhiteOnMove(forwardMostMove) ==
15585 (first.twoMachinesColor[0] == 'w')) {
15591 case BeginningOfGame:
15595 SendToProgram("?\n", cps);
15599 TruncateGameEvent ()
15602 if (gameMode != EditGame) return;
15609 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15610 if (forwardMostMove > currentMove) {
15611 if (gameInfo.resultDetails != NULL) {
15612 free(gameInfo.resultDetails);
15613 gameInfo.resultDetails = NULL;
15614 gameInfo.result = GameUnfinished;
15616 forwardMostMove = currentMove;
15617 HistorySet(parseList, backwardMostMove, forwardMostMove,
15625 if (appData.noChessProgram) return;
15626 switch (gameMode) {
15627 case MachinePlaysWhite:
15628 if (WhiteOnMove(forwardMostMove)) {
15629 DisplayError(_("Wait until your turn."), 0);
15633 case BeginningOfGame:
15634 case MachinePlaysBlack:
15635 if (!WhiteOnMove(forwardMostMove)) {
15636 DisplayError(_("Wait until your turn."), 0);
15641 DisplayError(_("No hint available"), 0);
15644 SendToProgram("hint\n", &first);
15645 hintRequested = TRUE;
15651 ListGame * lg = (ListGame *) gameList.head;
15654 static int secondTime = FALSE;
15656 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15657 DisplayError(_("Game list not loaded or empty"), 0);
15661 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15664 DisplayNote(_("Book file exists! Try again for overwrite."));
15668 creatingBook = TRUE;
15669 secondTime = FALSE;
15671 /* Get list size */
15672 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15673 LoadGame(f, nItem, "", TRUE);
15674 AddGameToBook(TRUE);
15675 lg = (ListGame *) lg->node.succ;
15678 creatingBook = FALSE;
15685 if (appData.noChessProgram) return;
15686 switch (gameMode) {
15687 case MachinePlaysWhite:
15688 if (WhiteOnMove(forwardMostMove)) {
15689 DisplayError(_("Wait until your turn."), 0);
15693 case BeginningOfGame:
15694 case MachinePlaysBlack:
15695 if (!WhiteOnMove(forwardMostMove)) {
15696 DisplayError(_("Wait until your turn."), 0);
15701 EditPositionDone(TRUE);
15703 case TwoMachinesPlay:
15708 SendToProgram("bk\n", &first);
15709 bookOutput[0] = NULLCHAR;
15710 bookRequested = TRUE;
15716 char *tags = PGNTags(&gameInfo);
15717 TagsPopUp(tags, CmailMsg());
15721 /* end button procedures */
15724 PrintPosition (FILE *fp, int move)
15728 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15729 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15730 char c = PieceToChar(boards[move][i][j]);
15731 fputc(c == 'x' ? '.' : c, fp);
15732 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15735 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15736 fprintf(fp, "white to play\n");
15738 fprintf(fp, "black to play\n");
15742 PrintOpponents (FILE *fp)
15744 if (gameInfo.white != NULL) {
15745 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15751 /* Find last component of program's own name, using some heuristics */
15753 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15756 int local = (strcmp(host, "localhost") == 0);
15757 while (!local && (p = strchr(prog, ';')) != NULL) {
15759 while (*p == ' ') p++;
15762 if (*prog == '"' || *prog == '\'') {
15763 q = strchr(prog + 1, *prog);
15765 q = strchr(prog, ' ');
15767 if (q == NULL) q = prog + strlen(prog);
15769 while (p >= prog && *p != '/' && *p != '\\') p--;
15771 if(p == prog && *p == '"') p++;
15773 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15774 memcpy(buf, p, q - p);
15775 buf[q - p] = NULLCHAR;
15783 TimeControlTagValue ()
15786 if (!appData.clockMode) {
15787 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15788 } else if (movesPerSession > 0) {
15789 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15790 } else if (timeIncrement == 0) {
15791 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15793 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15795 return StrSave(buf);
15801 /* This routine is used only for certain modes */
15802 VariantClass v = gameInfo.variant;
15803 ChessMove r = GameUnfinished;
15806 if(keepInfo) return;
15808 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15809 r = gameInfo.result;
15810 p = gameInfo.resultDetails;
15811 gameInfo.resultDetails = NULL;
15813 ClearGameInfo(&gameInfo);
15814 gameInfo.variant = v;
15816 switch (gameMode) {
15817 case MachinePlaysWhite:
15818 gameInfo.event = StrSave( appData.pgnEventHeader );
15819 gameInfo.site = StrSave(HostName());
15820 gameInfo.date = PGNDate();
15821 gameInfo.round = StrSave("-");
15822 gameInfo.white = StrSave(first.tidy);
15823 gameInfo.black = StrSave(UserName());
15824 gameInfo.timeControl = TimeControlTagValue();
15827 case MachinePlaysBlack:
15828 gameInfo.event = StrSave( appData.pgnEventHeader );
15829 gameInfo.site = StrSave(HostName());
15830 gameInfo.date = PGNDate();
15831 gameInfo.round = StrSave("-");
15832 gameInfo.white = StrSave(UserName());
15833 gameInfo.black = StrSave(first.tidy);
15834 gameInfo.timeControl = TimeControlTagValue();
15837 case TwoMachinesPlay:
15838 gameInfo.event = StrSave( appData.pgnEventHeader );
15839 gameInfo.site = StrSave(HostName());
15840 gameInfo.date = PGNDate();
15843 snprintf(buf, MSG_SIZ, "%d", roundNr);
15844 gameInfo.round = StrSave(buf);
15846 gameInfo.round = StrSave("-");
15848 if (first.twoMachinesColor[0] == 'w') {
15849 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15850 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15852 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15853 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15855 gameInfo.timeControl = TimeControlTagValue();
15859 gameInfo.event = StrSave("Edited game");
15860 gameInfo.site = StrSave(HostName());
15861 gameInfo.date = PGNDate();
15862 gameInfo.round = StrSave("-");
15863 gameInfo.white = StrSave("-");
15864 gameInfo.black = StrSave("-");
15865 gameInfo.result = r;
15866 gameInfo.resultDetails = p;
15870 gameInfo.event = StrSave("Edited position");
15871 gameInfo.site = StrSave(HostName());
15872 gameInfo.date = PGNDate();
15873 gameInfo.round = StrSave("-");
15874 gameInfo.white = StrSave("-");
15875 gameInfo.black = StrSave("-");
15878 case IcsPlayingWhite:
15879 case IcsPlayingBlack:
15884 case PlayFromGameFile:
15885 gameInfo.event = StrSave("Game from non-PGN file");
15886 gameInfo.site = StrSave(HostName());
15887 gameInfo.date = PGNDate();
15888 gameInfo.round = StrSave("-");
15889 gameInfo.white = StrSave("?");
15890 gameInfo.black = StrSave("?");
15899 ReplaceComment (int index, char *text)
15905 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15906 pvInfoList[index-1].depth == len &&
15907 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15908 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15909 while (*text == '\n') text++;
15910 len = strlen(text);
15911 while (len > 0 && text[len - 1] == '\n') len--;
15913 if (commentList[index] != NULL)
15914 free(commentList[index]);
15917 commentList[index] = NULL;
15920 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15921 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15922 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15923 commentList[index] = (char *) malloc(len + 2);
15924 strncpy(commentList[index], text, len);
15925 commentList[index][len] = '\n';
15926 commentList[index][len + 1] = NULLCHAR;
15928 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15930 commentList[index] = (char *) malloc(len + 7);
15931 safeStrCpy(commentList[index], "{\n", 3);
15932 safeStrCpy(commentList[index]+2, text, len+1);
15933 commentList[index][len+2] = NULLCHAR;
15934 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15935 strcat(commentList[index], "\n}\n");
15940 CrushCRs (char *text)
15948 if (ch == '\r') continue;
15950 } while (ch != '\0');
15954 AppendComment (int index, char *text, Boolean addBraces)
15955 /* addBraces tells if we should add {} */
15960 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15961 if(addBraces == 3) addBraces = 0; else // force appending literally
15962 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15965 while (*text == '\n') text++;
15966 len = strlen(text);
15967 while (len > 0 && text[len - 1] == '\n') len--;
15968 text[len] = NULLCHAR;
15970 if (len == 0) return;
15972 if (commentList[index] != NULL) {
15973 Boolean addClosingBrace = addBraces;
15974 old = commentList[index];
15975 oldlen = strlen(old);
15976 while(commentList[index][oldlen-1] == '\n')
15977 commentList[index][--oldlen] = NULLCHAR;
15978 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15979 safeStrCpy(commentList[index], old, oldlen + len + 6);
15981 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15982 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15983 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15984 while (*text == '\n') { text++; len--; }
15985 commentList[index][--oldlen] = NULLCHAR;
15987 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15988 else strcat(commentList[index], "\n");
15989 strcat(commentList[index], text);
15990 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15991 else strcat(commentList[index], "\n");
15993 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15995 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15996 else commentList[index][0] = NULLCHAR;
15997 strcat(commentList[index], text);
15998 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15999 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16004 FindStr (char * text, char * sub_text)
16006 char * result = strstr( text, sub_text );
16008 if( result != NULL ) {
16009 result += strlen( sub_text );
16015 /* [AS] Try to extract PV info from PGN comment */
16016 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16018 GetInfoFromComment (int index, char * text)
16020 char * sep = text, *p;
16022 if( text != NULL && index > 0 ) {
16025 int time = -1, sec = 0, deci;
16026 char * s_eval = FindStr( text, "[%eval " );
16027 char * s_emt = FindStr( text, "[%emt " );
16029 if( s_eval != NULL || s_emt != NULL ) {
16031 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16036 if( s_eval != NULL ) {
16037 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16041 if( delim != ']' ) {
16046 if( s_emt != NULL ) {
16051 /* We expect something like: [+|-]nnn.nn/dd */
16054 if(*text != '{') return text; // [HGM] braces: must be normal comment
16056 sep = strchr( text, '/' );
16057 if( sep == NULL || sep < (text+4) ) {
16062 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16063 if(p[1] == '(') { // comment starts with PV
16064 p = strchr(p, ')'); // locate end of PV
16065 if(p == NULL || sep < p+5) return text;
16066 // at this point we have something like "{(.*) +0.23/6 ..."
16067 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16068 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16069 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16071 time = -1; sec = -1; deci = -1;
16072 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16073 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16074 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16075 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16079 if( score_lo < 0 || score_lo >= 100 ) {
16083 if(sec >= 0) time = 600*time + 10*sec; else
16084 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16086 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16088 /* [HGM] PV time: now locate end of PV info */
16089 while( *++sep >= '0' && *sep <= '9'); // strip depth
16091 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16093 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16095 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16096 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16107 pvInfoList[index-1].depth = depth;
16108 pvInfoList[index-1].score = score;
16109 pvInfoList[index-1].time = 10*time; // centi-sec
16110 if(*sep == '}') *sep = 0; else *--sep = '{';
16111 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16117 SendToProgram (char *message, ChessProgramState *cps)
16119 int count, outCount, error;
16122 if (cps->pr == NoProc) return;
16125 if (appData.debugMode) {
16128 fprintf(debugFP, "%ld >%-6s: %s",
16129 SubtractTimeMarks(&now, &programStartTime),
16130 cps->which, message);
16132 fprintf(serverFP, "%ld >%-6s: %s",
16133 SubtractTimeMarks(&now, &programStartTime),
16134 cps->which, message), fflush(serverFP);
16137 count = strlen(message);
16138 outCount = OutputToProcess(cps->pr, message, count, &error);
16139 if (outCount < count && !exiting
16140 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16141 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16142 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16143 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16144 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16145 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16146 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16147 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16149 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16150 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16151 gameInfo.result = res;
16153 gameInfo.resultDetails = StrSave(buf);
16155 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16156 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16161 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16165 ChessProgramState *cps = (ChessProgramState *)closure;
16167 if (isr != cps->isr) return; /* Killed intentionally */
16170 RemoveInputSource(cps->isr);
16171 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16172 _(cps->which), cps->program);
16173 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16174 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16175 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16176 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16177 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16178 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16180 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16181 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16182 gameInfo.result = res;
16184 gameInfo.resultDetails = StrSave(buf);
16186 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16187 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16189 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16190 _(cps->which), cps->program);
16191 RemoveInputSource(cps->isr);
16193 /* [AS] Program is misbehaving badly... kill it */
16194 if( count == -2 ) {
16195 DestroyChildProcess( cps->pr, 9 );
16199 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16204 if ((end_str = strchr(message, '\r')) != NULL)
16205 *end_str = NULLCHAR;
16206 if ((end_str = strchr(message, '\n')) != NULL)
16207 *end_str = NULLCHAR;
16209 if (appData.debugMode) {
16210 TimeMark now; int print = 1;
16211 char *quote = ""; char c; int i;
16213 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16214 char start = message[0];
16215 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16216 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16217 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16218 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16219 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16220 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16221 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16222 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16223 sscanf(message, "hint: %c", &c)!=1 &&
16224 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16225 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16226 print = (appData.engineComments >= 2);
16228 message[0] = start; // restore original message
16232 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16233 SubtractTimeMarks(&now, &programStartTime), cps->which,
16237 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16238 SubtractTimeMarks(&now, &programStartTime), cps->which,
16240 message), fflush(serverFP);
16244 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16245 if (appData.icsEngineAnalyze) {
16246 if (strstr(message, "whisper") != NULL ||
16247 strstr(message, "kibitz") != NULL ||
16248 strstr(message, "tellics") != NULL) return;
16251 HandleMachineMove(message, cps);
16256 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16261 if( timeControl_2 > 0 ) {
16262 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16263 tc = timeControl_2;
16266 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16267 inc /= cps->timeOdds;
16268 st /= cps->timeOdds;
16270 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16273 /* Set exact time per move, normally using st command */
16274 if (cps->stKludge) {
16275 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16277 if (seconds == 0) {
16278 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16280 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16283 snprintf(buf, MSG_SIZ, "st %d\n", st);
16286 /* Set conventional or incremental time control, using level command */
16287 if (seconds == 0) {
16288 /* Note old gnuchess bug -- minutes:seconds used to not work.
16289 Fixed in later versions, but still avoid :seconds
16290 when seconds is 0. */
16291 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16293 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16294 seconds, inc/1000.);
16297 SendToProgram(buf, cps);
16299 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16300 /* Orthogonally, limit search to given depth */
16302 if (cps->sdKludge) {
16303 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16305 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16307 SendToProgram(buf, cps);
16310 if(cps->nps >= 0) { /* [HGM] nps */
16311 if(cps->supportsNPS == FALSE)
16312 cps->nps = -1; // don't use if engine explicitly says not supported!
16314 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16315 SendToProgram(buf, cps);
16320 ChessProgramState *
16322 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16324 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16325 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16331 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16333 char message[MSG_SIZ];
16336 /* Note: this routine must be called when the clocks are stopped
16337 or when they have *just* been set or switched; otherwise
16338 it will be off by the time since the current tick started.
16340 if (machineWhite) {
16341 time = whiteTimeRemaining / 10;
16342 otime = blackTimeRemaining / 10;
16344 time = blackTimeRemaining / 10;
16345 otime = whiteTimeRemaining / 10;
16347 /* [HGM] translate opponent's time by time-odds factor */
16348 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16350 if (time <= 0) time = 1;
16351 if (otime <= 0) otime = 1;
16353 snprintf(message, MSG_SIZ, "time %ld\n", time);
16354 SendToProgram(message, cps);
16356 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16357 SendToProgram(message, cps);
16361 EngineDefinedVariant (ChessProgramState *cps, int n)
16362 { // return name of n-th unknown variant that engine supports
16363 static char buf[MSG_SIZ];
16364 char *p, *s = cps->variants;
16365 if(!s) return NULL;
16366 do { // parse string from variants feature
16368 p = strchr(s, ',');
16369 if(p) *p = NULLCHAR;
16370 v = StringToVariant(s);
16371 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16372 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16373 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16376 if(n < 0) return buf;
16382 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16385 int len = strlen(name);
16388 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16390 sscanf(*p, "%d", &val);
16392 while (**p && **p != ' ')
16394 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16395 SendToProgram(buf, cps);
16402 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16405 int len = strlen(name);
16406 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16408 sscanf(*p, "%d", loc);
16409 while (**p && **p != ' ') (*p)++;
16410 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16411 SendToProgram(buf, cps);
16418 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16421 int len = strlen(name);
16422 if (strncmp((*p), name, len) == 0
16423 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16425 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16426 sscanf(*p, "%[^\"]", *loc);
16427 while (**p && **p != '\"') (*p)++;
16428 if (**p == '\"') (*p)++;
16429 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16430 SendToProgram(buf, cps);
16437 ParseOption (Option *opt, ChessProgramState *cps)
16438 // [HGM] options: process the string that defines an engine option, and determine
16439 // name, type, default value, and allowed value range
16441 char *p, *q, buf[MSG_SIZ];
16442 int n, min = (-1)<<31, max = 1<<31, def;
16444 if(p = strstr(opt->name, " -spin ")) {
16445 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16446 if(max < min) max = min; // enforce consistency
16447 if(def < min) def = min;
16448 if(def > max) def = max;
16453 } else if((p = strstr(opt->name, " -slider "))) {
16454 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16455 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16456 if(max < min) max = min; // enforce consistency
16457 if(def < min) def = min;
16458 if(def > max) def = max;
16462 opt->type = Spin; // Slider;
16463 } else if((p = strstr(opt->name, " -string "))) {
16464 opt->textValue = p+9;
16465 opt->type = TextBox;
16466 } else if((p = strstr(opt->name, " -file "))) {
16467 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16468 opt->textValue = p+7;
16469 opt->type = FileName; // FileName;
16470 } else if((p = strstr(opt->name, " -path "))) {
16471 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16472 opt->textValue = p+7;
16473 opt->type = PathName; // PathName;
16474 } else if(p = strstr(opt->name, " -check ")) {
16475 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16476 opt->value = (def != 0);
16477 opt->type = CheckBox;
16478 } else if(p = strstr(opt->name, " -combo ")) {
16479 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16480 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16481 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16482 opt->value = n = 0;
16483 while(q = StrStr(q, " /// ")) {
16484 n++; *q = 0; // count choices, and null-terminate each of them
16486 if(*q == '*') { // remember default, which is marked with * prefix
16490 cps->comboList[cps->comboCnt++] = q;
16492 cps->comboList[cps->comboCnt++] = NULL;
16494 opt->type = ComboBox;
16495 } else if(p = strstr(opt->name, " -button")) {
16496 opt->type = Button;
16497 } else if(p = strstr(opt->name, " -save")) {
16498 opt->type = SaveButton;
16499 } else return FALSE;
16500 *p = 0; // terminate option name
16501 // now look if the command-line options define a setting for this engine option.
16502 if(cps->optionSettings && cps->optionSettings[0])
16503 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16504 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16505 snprintf(buf, MSG_SIZ, "option %s", p);
16506 if(p = strstr(buf, ",")) *p = 0;
16507 if(q = strchr(buf, '=')) switch(opt->type) {
16509 for(n=0; n<opt->max; n++)
16510 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16513 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16517 opt->value = atoi(q+1);
16522 SendToProgram(buf, cps);
16528 FeatureDone (ChessProgramState *cps, int val)
16530 DelayedEventCallback cb = GetDelayedEvent();
16531 if ((cb == InitBackEnd3 && cps == &first) ||
16532 (cb == SettingsMenuIfReady && cps == &second) ||
16533 (cb == LoadEngine) ||
16534 (cb == TwoMachinesEventIfReady)) {
16535 CancelDelayedEvent();
16536 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16538 cps->initDone = val;
16539 if(val) cps->reload = FALSE;
16542 /* Parse feature command from engine */
16544 ParseFeatures (char *args, ChessProgramState *cps)
16552 while (*p == ' ') p++;
16553 if (*p == NULLCHAR) return;
16555 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16556 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16557 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16558 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16559 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16560 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16561 if (BoolFeature(&p, "reuse", &val, cps)) {
16562 /* Engine can disable reuse, but can't enable it if user said no */
16563 if (!val) cps->reuse = FALSE;
16566 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16567 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16568 if (gameMode == TwoMachinesPlay) {
16569 DisplayTwoMachinesTitle();
16575 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16576 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16577 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16578 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16579 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16580 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16581 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16582 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16583 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16584 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16585 if (IntFeature(&p, "done", &val, cps)) {
16586 FeatureDone(cps, val);
16589 /* Added by Tord: */
16590 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16591 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16592 /* End of additions by Tord */
16594 /* [HGM] added features: */
16595 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16596 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16597 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16598 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16599 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16600 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16601 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16602 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16603 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16604 FREE(cps->option[cps->nrOptions].name);
16605 cps->option[cps->nrOptions].name = q; q = NULL;
16606 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16607 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16608 SendToProgram(buf, cps);
16611 if(cps->nrOptions >= MAX_OPTIONS) {
16613 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16614 DisplayError(buf, 0);
16618 /* End of additions by HGM */
16620 /* unknown feature: complain and skip */
16622 while (*q && *q != '=') q++;
16623 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16624 SendToProgram(buf, cps);
16630 while (*p && *p != '\"') p++;
16631 if (*p == '\"') p++;
16633 while (*p && *p != ' ') p++;
16641 PeriodicUpdatesEvent (int newState)
16643 if (newState == appData.periodicUpdates)
16646 appData.periodicUpdates=newState;
16648 /* Display type changes, so update it now */
16649 // DisplayAnalysis();
16651 /* Get the ball rolling again... */
16653 AnalysisPeriodicEvent(1);
16654 StartAnalysisClock();
16659 PonderNextMoveEvent (int newState)
16661 if (newState == appData.ponderNextMove) return;
16662 if (gameMode == EditPosition) EditPositionDone(TRUE);
16664 SendToProgram("hard\n", &first);
16665 if (gameMode == TwoMachinesPlay) {
16666 SendToProgram("hard\n", &second);
16669 SendToProgram("easy\n", &first);
16670 thinkOutput[0] = NULLCHAR;
16671 if (gameMode == TwoMachinesPlay) {
16672 SendToProgram("easy\n", &second);
16675 appData.ponderNextMove = newState;
16679 NewSettingEvent (int option, int *feature, char *command, int value)
16683 if (gameMode == EditPosition) EditPositionDone(TRUE);
16684 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16685 if(feature == NULL || *feature) SendToProgram(buf, &first);
16686 if (gameMode == TwoMachinesPlay) {
16687 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16692 ShowThinkingEvent ()
16693 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16695 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16696 int newState = appData.showThinking
16697 // [HGM] thinking: other features now need thinking output as well
16698 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16700 if (oldState == newState) return;
16701 oldState = newState;
16702 if (gameMode == EditPosition) EditPositionDone(TRUE);
16704 SendToProgram("post\n", &first);
16705 if (gameMode == TwoMachinesPlay) {
16706 SendToProgram("post\n", &second);
16709 SendToProgram("nopost\n", &first);
16710 thinkOutput[0] = NULLCHAR;
16711 if (gameMode == TwoMachinesPlay) {
16712 SendToProgram("nopost\n", &second);
16715 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16719 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16721 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16722 if (pr == NoProc) return;
16723 AskQuestion(title, question, replyPrefix, pr);
16727 TypeInEvent (char firstChar)
16729 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16730 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16731 gameMode == AnalyzeMode || gameMode == EditGame ||
16732 gameMode == EditPosition || gameMode == IcsExamining ||
16733 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16734 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16735 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16736 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16737 gameMode == Training) PopUpMoveDialog(firstChar);
16741 TypeInDoneEvent (char *move)
16744 int n, fromX, fromY, toX, toY;
16746 ChessMove moveType;
16749 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16750 EditPositionPasteFEN(move);
16753 // [HGM] movenum: allow move number to be typed in any mode
16754 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16758 // undocumented kludge: allow command-line option to be typed in!
16759 // (potentially fatal, and does not implement the effect of the option.)
16760 // should only be used for options that are values on which future decisions will be made,
16761 // and definitely not on options that would be used during initialization.
16762 if(strstr(move, "!!! -") == move) {
16763 ParseArgsFromString(move+4);
16767 if (gameMode != EditGame && currentMove != forwardMostMove &&
16768 gameMode != Training) {
16769 DisplayMoveError(_("Displayed move is not current"));
16771 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16772 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16773 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16774 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16775 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16776 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16778 DisplayMoveError(_("Could not parse move"));
16784 DisplayMove (int moveNumber)
16786 char message[MSG_SIZ];
16788 char cpThinkOutput[MSG_SIZ];
16790 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16792 if (moveNumber == forwardMostMove - 1 ||
16793 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16795 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16797 if (strchr(cpThinkOutput, '\n')) {
16798 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16801 *cpThinkOutput = NULLCHAR;
16804 /* [AS] Hide thinking from human user */
16805 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16806 *cpThinkOutput = NULLCHAR;
16807 if( thinkOutput[0] != NULLCHAR ) {
16810 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16811 cpThinkOutput[i] = '.';
16813 cpThinkOutput[i] = NULLCHAR;
16814 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16818 if (moveNumber == forwardMostMove - 1 &&
16819 gameInfo.resultDetails != NULL) {
16820 if (gameInfo.resultDetails[0] == NULLCHAR) {
16821 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16823 snprintf(res, MSG_SIZ, " {%s} %s",
16824 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16830 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16831 DisplayMessage(res, cpThinkOutput);
16833 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16834 WhiteOnMove(moveNumber) ? " " : ".. ",
16835 parseList[moveNumber], res);
16836 DisplayMessage(message, cpThinkOutput);
16841 DisplayComment (int moveNumber, char *text)
16843 char title[MSG_SIZ];
16845 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16846 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16848 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16849 WhiteOnMove(moveNumber) ? " " : ".. ",
16850 parseList[moveNumber]);
16852 if (text != NULL && (appData.autoDisplayComment || commentUp))
16853 CommentPopUp(title, text);
16856 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16857 * might be busy thinking or pondering. It can be omitted if your
16858 * gnuchess is configured to stop thinking immediately on any user
16859 * input. However, that gnuchess feature depends on the FIONREAD
16860 * ioctl, which does not work properly on some flavors of Unix.
16863 Attention (ChessProgramState *cps)
16866 if (!cps->useSigint) return;
16867 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16868 switch (gameMode) {
16869 case MachinePlaysWhite:
16870 case MachinePlaysBlack:
16871 case TwoMachinesPlay:
16872 case IcsPlayingWhite:
16873 case IcsPlayingBlack:
16876 /* Skip if we know it isn't thinking */
16877 if (!cps->maybeThinking) return;
16878 if (appData.debugMode)
16879 fprintf(debugFP, "Interrupting %s\n", cps->which);
16880 InterruptChildProcess(cps->pr);
16881 cps->maybeThinking = FALSE;
16886 #endif /*ATTENTION*/
16892 if (whiteTimeRemaining <= 0) {
16895 if (appData.icsActive) {
16896 if (appData.autoCallFlag &&
16897 gameMode == IcsPlayingBlack && !blackFlag) {
16898 SendToICS(ics_prefix);
16899 SendToICS("flag\n");
16903 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16905 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16906 if (appData.autoCallFlag) {
16907 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16914 if (blackTimeRemaining <= 0) {
16917 if (appData.icsActive) {
16918 if (appData.autoCallFlag &&
16919 gameMode == IcsPlayingWhite && !whiteFlag) {
16920 SendToICS(ics_prefix);
16921 SendToICS("flag\n");
16925 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16927 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16928 if (appData.autoCallFlag) {
16929 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16940 CheckTimeControl ()
16942 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16943 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16946 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16948 if ( !WhiteOnMove(forwardMostMove) ) {
16949 /* White made time control */
16950 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16951 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16952 /* [HGM] time odds: correct new time quota for time odds! */
16953 / WhitePlayer()->timeOdds;
16954 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16956 lastBlack -= blackTimeRemaining;
16957 /* Black made time control */
16958 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16959 / WhitePlayer()->other->timeOdds;
16960 lastWhite = whiteTimeRemaining;
16965 DisplayBothClocks ()
16967 int wom = gameMode == EditPosition ?
16968 !blackPlaysFirst : WhiteOnMove(currentMove);
16969 DisplayWhiteClock(whiteTimeRemaining, wom);
16970 DisplayBlackClock(blackTimeRemaining, !wom);
16974 /* Timekeeping seems to be a portability nightmare. I think everyone
16975 has ftime(), but I'm really not sure, so I'm including some ifdefs
16976 to use other calls if you don't. Clocks will be less accurate if
16977 you have neither ftime nor gettimeofday.
16980 /* VS 2008 requires the #include outside of the function */
16981 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16982 #include <sys/timeb.h>
16985 /* Get the current time as a TimeMark */
16987 GetTimeMark (TimeMark *tm)
16989 #if HAVE_GETTIMEOFDAY
16991 struct timeval timeVal;
16992 struct timezone timeZone;
16994 gettimeofday(&timeVal, &timeZone);
16995 tm->sec = (long) timeVal.tv_sec;
16996 tm->ms = (int) (timeVal.tv_usec / 1000L);
16998 #else /*!HAVE_GETTIMEOFDAY*/
17001 // include <sys/timeb.h> / moved to just above start of function
17002 struct timeb timeB;
17005 tm->sec = (long) timeB.time;
17006 tm->ms = (int) timeB.millitm;
17008 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17009 tm->sec = (long) time(NULL);
17015 /* Return the difference in milliseconds between two
17016 time marks. We assume the difference will fit in a long!
17019 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17021 return 1000L*(tm2->sec - tm1->sec) +
17022 (long) (tm2->ms - tm1->ms);
17027 * Code to manage the game clocks.
17029 * In tournament play, black starts the clock and then white makes a move.
17030 * We give the human user a slight advantage if he is playing white---the
17031 * clocks don't run until he makes his first move, so it takes zero time.
17032 * Also, we don't account for network lag, so we could get out of sync
17033 * with GNU Chess's clock -- but then, referees are always right.
17036 static TimeMark tickStartTM;
17037 static long intendedTickLength;
17040 NextTickLength (long timeRemaining)
17042 long nominalTickLength, nextTickLength;
17044 if (timeRemaining > 0L && timeRemaining <= 10000L)
17045 nominalTickLength = 100L;
17047 nominalTickLength = 1000L;
17048 nextTickLength = timeRemaining % nominalTickLength;
17049 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17051 return nextTickLength;
17054 /* Adjust clock one minute up or down */
17056 AdjustClock (Boolean which, int dir)
17058 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17059 if(which) blackTimeRemaining += 60000*dir;
17060 else whiteTimeRemaining += 60000*dir;
17061 DisplayBothClocks();
17062 adjustedClock = TRUE;
17065 /* Stop clocks and reset to a fresh time control */
17069 (void) StopClockTimer();
17070 if (appData.icsActive) {
17071 whiteTimeRemaining = blackTimeRemaining = 0;
17072 } else if (searchTime) {
17073 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17074 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17075 } else { /* [HGM] correct new time quote for time odds */
17076 whiteTC = blackTC = fullTimeControlString;
17077 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17078 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17080 if (whiteFlag || blackFlag) {
17082 whiteFlag = blackFlag = FALSE;
17084 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17085 DisplayBothClocks();
17086 adjustedClock = FALSE;
17089 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17091 /* Decrement running clock by amount of time that has passed */
17095 long timeRemaining;
17096 long lastTickLength, fudge;
17099 if (!appData.clockMode) return;
17100 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17104 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17106 /* Fudge if we woke up a little too soon */
17107 fudge = intendedTickLength - lastTickLength;
17108 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17110 if (WhiteOnMove(forwardMostMove)) {
17111 if(whiteNPS >= 0) lastTickLength = 0;
17112 timeRemaining = whiteTimeRemaining -= lastTickLength;
17113 if(timeRemaining < 0 && !appData.icsActive) {
17114 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17115 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17116 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17117 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17120 DisplayWhiteClock(whiteTimeRemaining - fudge,
17121 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17123 if(blackNPS >= 0) lastTickLength = 0;
17124 timeRemaining = blackTimeRemaining -= lastTickLength;
17125 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17126 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17128 blackStartMove = forwardMostMove;
17129 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17132 DisplayBlackClock(blackTimeRemaining - fudge,
17133 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17135 if (CheckFlags()) return;
17137 if(twoBoards) { // count down secondary board's clocks as well
17138 activePartnerTime -= lastTickLength;
17140 if(activePartner == 'W')
17141 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17143 DisplayBlackClock(activePartnerTime, TRUE);
17148 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17149 StartClockTimer(intendedTickLength);
17151 /* if the time remaining has fallen below the alarm threshold, sound the
17152 * alarm. if the alarm has sounded and (due to a takeback or time control
17153 * with increment) the time remaining has increased to a level above the
17154 * threshold, reset the alarm so it can sound again.
17157 if (appData.icsActive && appData.icsAlarm) {
17159 /* make sure we are dealing with the user's clock */
17160 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17161 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17164 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17165 alarmSounded = FALSE;
17166 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17168 alarmSounded = TRUE;
17174 /* A player has just moved, so stop the previously running
17175 clock and (if in clock mode) start the other one.
17176 We redisplay both clocks in case we're in ICS mode, because
17177 ICS gives us an update to both clocks after every move.
17178 Note that this routine is called *after* forwardMostMove
17179 is updated, so the last fractional tick must be subtracted
17180 from the color that is *not* on move now.
17183 SwitchClocks (int newMoveNr)
17185 long lastTickLength;
17187 int flagged = FALSE;
17191 if (StopClockTimer() && appData.clockMode) {
17192 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17193 if (!WhiteOnMove(forwardMostMove)) {
17194 if(blackNPS >= 0) lastTickLength = 0;
17195 blackTimeRemaining -= lastTickLength;
17196 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17197 // if(pvInfoList[forwardMostMove].time == -1)
17198 pvInfoList[forwardMostMove].time = // use GUI time
17199 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17201 if(whiteNPS >= 0) lastTickLength = 0;
17202 whiteTimeRemaining -= lastTickLength;
17203 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17204 // if(pvInfoList[forwardMostMove].time == -1)
17205 pvInfoList[forwardMostMove].time =
17206 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17208 flagged = CheckFlags();
17210 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17211 CheckTimeControl();
17213 if (flagged || !appData.clockMode) return;
17215 switch (gameMode) {
17216 case MachinePlaysBlack:
17217 case MachinePlaysWhite:
17218 case BeginningOfGame:
17219 if (pausing) return;
17223 case PlayFromGameFile:
17231 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17232 if(WhiteOnMove(forwardMostMove))
17233 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17234 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17238 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17239 whiteTimeRemaining : blackTimeRemaining);
17240 StartClockTimer(intendedTickLength);
17244 /* Stop both clocks */
17248 long lastTickLength;
17251 if (!StopClockTimer()) return;
17252 if (!appData.clockMode) return;
17256 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17257 if (WhiteOnMove(forwardMostMove)) {
17258 if(whiteNPS >= 0) lastTickLength = 0;
17259 whiteTimeRemaining -= lastTickLength;
17260 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17262 if(blackNPS >= 0) lastTickLength = 0;
17263 blackTimeRemaining -= lastTickLength;
17264 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17269 /* Start clock of player on move. Time may have been reset, so
17270 if clock is already running, stop and restart it. */
17274 (void) StopClockTimer(); /* in case it was running already */
17275 DisplayBothClocks();
17276 if (CheckFlags()) return;
17278 if (!appData.clockMode) return;
17279 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17281 GetTimeMark(&tickStartTM);
17282 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17283 whiteTimeRemaining : blackTimeRemaining);
17285 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17286 whiteNPS = blackNPS = -1;
17287 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17288 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17289 whiteNPS = first.nps;
17290 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17291 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17292 blackNPS = first.nps;
17293 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17294 whiteNPS = second.nps;
17295 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17296 blackNPS = second.nps;
17297 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17299 StartClockTimer(intendedTickLength);
17303 TimeString (long ms)
17305 long second, minute, hour, day;
17307 static char buf[32];
17309 if (ms > 0 && ms <= 9900) {
17310 /* convert milliseconds to tenths, rounding up */
17311 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17313 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17317 /* convert milliseconds to seconds, rounding up */
17318 /* use floating point to avoid strangeness of integer division
17319 with negative dividends on many machines */
17320 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17327 day = second / (60 * 60 * 24);
17328 second = second % (60 * 60 * 24);
17329 hour = second / (60 * 60);
17330 second = second % (60 * 60);
17331 minute = second / 60;
17332 second = second % 60;
17335 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17336 sign, day, hour, minute, second);
17338 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17340 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17347 * This is necessary because some C libraries aren't ANSI C compliant yet.
17350 StrStr (char *string, char *match)
17354 length = strlen(match);
17356 for (i = strlen(string) - length; i >= 0; i--, string++)
17357 if (!strncmp(match, string, length))
17364 StrCaseStr (char *string, char *match)
17368 length = strlen(match);
17370 for (i = strlen(string) - length; i >= 0; i--, string++) {
17371 for (j = 0; j < length; j++) {
17372 if (ToLower(match[j]) != ToLower(string[j]))
17375 if (j == length) return string;
17383 StrCaseCmp (char *s1, char *s2)
17388 c1 = ToLower(*s1++);
17389 c2 = ToLower(*s2++);
17390 if (c1 > c2) return 1;
17391 if (c1 < c2) return -1;
17392 if (c1 == NULLCHAR) return 0;
17400 return isupper(c) ? tolower(c) : c;
17407 return islower(c) ? toupper(c) : c;
17409 #endif /* !_amigados */
17416 if ((ret = (char *) malloc(strlen(s) + 1)))
17418 safeStrCpy(ret, s, strlen(s)+1);
17424 StrSavePtr (char *s, char **savePtr)
17429 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17430 safeStrCpy(*savePtr, s, strlen(s)+1);
17442 clock = time((time_t *)NULL);
17443 tm = localtime(&clock);
17444 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17445 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17446 return StrSave(buf);
17451 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17453 int i, j, fromX, fromY, toX, toY;
17460 whiteToPlay = (gameMode == EditPosition) ?
17461 !blackPlaysFirst : (move % 2 == 0);
17464 /* Piece placement data */
17465 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17466 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17468 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17469 if (boards[move][i][j] == EmptySquare) {
17471 } else { ChessSquare piece = boards[move][i][j];
17472 if (emptycount > 0) {
17473 if(emptycount<10) /* [HGM] can be >= 10 */
17474 *p++ = '0' + emptycount;
17475 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17478 if(PieceToChar(piece) == '+') {
17479 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17481 piece = (ChessSquare)(DEMOTED piece);
17483 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17485 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17486 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17491 if (emptycount > 0) {
17492 if(emptycount<10) /* [HGM] can be >= 10 */
17493 *p++ = '0' + emptycount;
17494 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17501 /* [HGM] print Crazyhouse or Shogi holdings */
17502 if( gameInfo.holdingsWidth ) {
17503 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17505 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17506 piece = boards[move][i][BOARD_WIDTH-1];
17507 if( piece != EmptySquare )
17508 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17509 *p++ = PieceToChar(piece);
17511 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17512 piece = boards[move][BOARD_HEIGHT-i-1][0];
17513 if( piece != EmptySquare )
17514 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17515 *p++ = PieceToChar(piece);
17518 if( q == p ) *p++ = '-';
17524 *p++ = whiteToPlay ? 'w' : 'b';
17527 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17528 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17530 if(nrCastlingRights) {
17532 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17533 /* [HGM] write directly from rights */
17534 if(boards[move][CASTLING][2] != NoRights &&
17535 boards[move][CASTLING][0] != NoRights )
17536 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17537 if(boards[move][CASTLING][2] != NoRights &&
17538 boards[move][CASTLING][1] != NoRights )
17539 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17540 if(boards[move][CASTLING][5] != NoRights &&
17541 boards[move][CASTLING][3] != NoRights )
17542 *p++ = boards[move][CASTLING][3] + AAA;
17543 if(boards[move][CASTLING][5] != NoRights &&
17544 boards[move][CASTLING][4] != NoRights )
17545 *p++ = boards[move][CASTLING][4] + AAA;
17548 /* [HGM] write true castling rights */
17549 if( nrCastlingRights == 6 ) {
17551 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17552 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17553 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17554 boards[move][CASTLING][2] != NoRights );
17555 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17556 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17557 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17558 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17559 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17563 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17564 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17565 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17566 boards[move][CASTLING][5] != NoRights );
17567 if(gameInfo.variant == VariantSChess) {
17568 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17569 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17570 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17571 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17576 if (q == p) *p++ = '-'; /* No castling rights */
17580 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17581 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17582 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17583 /* En passant target square */
17584 if (move > backwardMostMove) {
17585 fromX = moveList[move - 1][0] - AAA;
17586 fromY = moveList[move - 1][1] - ONE;
17587 toX = moveList[move - 1][2] - AAA;
17588 toY = moveList[move - 1][3] - ONE;
17589 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17590 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17591 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17593 /* 2-square pawn move just happened */
17595 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17599 } else if(move == backwardMostMove) {
17600 // [HGM] perhaps we should always do it like this, and forget the above?
17601 if((signed char)boards[move][EP_STATUS] >= 0) {
17602 *p++ = boards[move][EP_STATUS] + AAA;
17603 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17615 { int i = 0, j=move;
17617 /* [HGM] find reversible plies */
17618 if (appData.debugMode) { int k;
17619 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17620 for(k=backwardMostMove; k<=forwardMostMove; k++)
17621 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17625 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17626 if( j == backwardMostMove ) i += initialRulePlies;
17627 sprintf(p, "%d ", i);
17628 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17630 /* Fullmove number */
17631 sprintf(p, "%d", (move / 2) + 1);
17632 } else *--p = NULLCHAR;
17634 return StrSave(buf);
17638 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17642 int emptycount, virgin[BOARD_FILES];
17647 /* Piece placement data */
17648 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17651 if (*p == '/' || *p == ' ' || *p == '[' ) {
17653 emptycount = gameInfo.boardWidth - j;
17654 while (emptycount--)
17655 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17656 if (*p == '/') p++;
17657 else if(autoSize) { // we stumbled unexpectedly into end of board
17658 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17659 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17661 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17664 #if(BOARD_FILES >= 10)
17665 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17666 p++; emptycount=10;
17667 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17668 while (emptycount--)
17669 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17671 } else if (*p == '*') {
17672 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17673 } else if (isdigit(*p)) {
17674 emptycount = *p++ - '0';
17675 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17676 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17677 while (emptycount--)
17678 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17679 } else if (*p == '+' || isalpha(*p)) {
17680 if (j >= gameInfo.boardWidth) return FALSE;
17682 piece = CharToPiece(*++p);
17683 if(piece == EmptySquare) return FALSE; /* unknown piece */
17684 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17685 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17686 } else piece = CharToPiece(*p++);
17688 if(piece==EmptySquare) return FALSE; /* unknown piece */
17689 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17690 piece = (ChessSquare) (PROMOTED piece);
17691 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17694 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17700 while (*p == '/' || *p == ' ') p++;
17702 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17704 /* [HGM] by default clear Crazyhouse holdings, if present */
17705 if(gameInfo.holdingsWidth) {
17706 for(i=0; i<BOARD_HEIGHT; i++) {
17707 board[i][0] = EmptySquare; /* black holdings */
17708 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17709 board[i][1] = (ChessSquare) 0; /* black counts */
17710 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17714 /* [HGM] look for Crazyhouse holdings here */
17715 while(*p==' ') p++;
17716 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17718 if(*p == '-' ) p++; /* empty holdings */ else {
17719 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17720 /* if we would allow FEN reading to set board size, we would */
17721 /* have to add holdings and shift the board read so far here */
17722 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17724 if((int) piece >= (int) BlackPawn ) {
17725 i = (int)piece - (int)BlackPawn;
17726 i = PieceToNumber((ChessSquare)i);
17727 if( i >= gameInfo.holdingsSize ) return FALSE;
17728 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17729 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17731 i = (int)piece - (int)WhitePawn;
17732 i = PieceToNumber((ChessSquare)i);
17733 if( i >= gameInfo.holdingsSize ) return FALSE;
17734 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17735 board[i][BOARD_WIDTH-2]++; /* black holdings */
17742 while(*p == ' ') p++;
17746 if(appData.colorNickNames) {
17747 if( c == appData.colorNickNames[0] ) c = 'w'; else
17748 if( c == appData.colorNickNames[1] ) c = 'b';
17752 *blackPlaysFirst = FALSE;
17755 *blackPlaysFirst = TRUE;
17761 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17762 /* return the extra info in global variiables */
17764 /* set defaults in case FEN is incomplete */
17765 board[EP_STATUS] = EP_UNKNOWN;
17766 for(i=0; i<nrCastlingRights; i++ ) {
17767 board[CASTLING][i] =
17768 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17769 } /* assume possible unless obviously impossible */
17770 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17771 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17772 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17773 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17774 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17775 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17776 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17777 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17780 while(*p==' ') p++;
17781 if(nrCastlingRights) {
17782 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17783 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17784 /* castling indicator present, so default becomes no castlings */
17785 for(i=0; i<nrCastlingRights; i++ ) {
17786 board[CASTLING][i] = NoRights;
17789 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17790 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17791 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17792 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17793 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17795 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17796 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17797 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17799 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17800 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17801 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17802 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17803 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17804 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17807 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17808 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17809 board[CASTLING][2] = whiteKingFile;
17810 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17811 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17814 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17815 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17816 board[CASTLING][2] = whiteKingFile;
17817 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17818 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17821 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17822 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17823 board[CASTLING][5] = blackKingFile;
17824 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17825 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17828 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17829 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17830 board[CASTLING][5] = blackKingFile;
17831 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17832 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17835 default: /* FRC castlings */
17836 if(c >= 'a') { /* black rights */
17837 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17838 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17839 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17840 if(i == BOARD_RGHT) break;
17841 board[CASTLING][5] = i;
17843 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17844 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17846 board[CASTLING][3] = c;
17848 board[CASTLING][4] = c;
17849 } else { /* white rights */
17850 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17851 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17852 if(board[0][i] == WhiteKing) break;
17853 if(i == BOARD_RGHT) break;
17854 board[CASTLING][2] = i;
17855 c -= AAA - 'a' + 'A';
17856 if(board[0][c] >= WhiteKing) break;
17858 board[CASTLING][0] = c;
17860 board[CASTLING][1] = c;
17864 for(i=0; i<nrCastlingRights; i++)
17865 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17866 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17867 if (appData.debugMode) {
17868 fprintf(debugFP, "FEN castling rights:");
17869 for(i=0; i<nrCastlingRights; i++)
17870 fprintf(debugFP, " %d", board[CASTLING][i]);
17871 fprintf(debugFP, "\n");
17874 while(*p==' ') p++;
17877 /* read e.p. field in games that know e.p. capture */
17878 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17879 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17880 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17882 p++; board[EP_STATUS] = EP_NONE;
17884 char c = *p++ - AAA;
17886 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17887 if(*p >= '0' && *p <='9') p++;
17888 board[EP_STATUS] = c;
17893 if(sscanf(p, "%d", &i) == 1) {
17894 FENrulePlies = i; /* 50-move ply counter */
17895 /* (The move number is still ignored) */
17902 EditPositionPasteFEN (char *fen)
17905 Board initial_position;
17907 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
17908 DisplayError(_("Bad FEN position in clipboard"), 0);
17911 int savedBlackPlaysFirst = blackPlaysFirst;
17912 EditPositionEvent();
17913 blackPlaysFirst = savedBlackPlaysFirst;
17914 CopyBoard(boards[0], initial_position);
17915 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17916 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17917 DisplayBothClocks();
17918 DrawPosition(FALSE, boards[currentMove]);
17923 static char cseq[12] = "\\ ";
17926 set_cont_sequence (char *new_seq)
17931 // handle bad attempts to set the sequence
17933 return 0; // acceptable error - no debug
17935 len = strlen(new_seq);
17936 ret = (len > 0) && (len < sizeof(cseq));
17938 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17939 else if (appData.debugMode)
17940 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17945 reformat a source message so words don't cross the width boundary. internal
17946 newlines are not removed. returns the wrapped size (no null character unless
17947 included in source message). If dest is NULL, only calculate the size required
17948 for the dest buffer. lp argument indicats line position upon entry, and it's
17949 passed back upon exit.
17952 wrap (char *dest, char *src, int count, int width, int *lp)
17954 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17956 cseq_len = strlen(cseq);
17957 old_line = line = *lp;
17958 ansi = len = clen = 0;
17960 for (i=0; i < count; i++)
17962 if (src[i] == '\033')
17965 // if we hit the width, back up
17966 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17968 // store i & len in case the word is too long
17969 old_i = i, old_len = len;
17971 // find the end of the last word
17972 while (i && src[i] != ' ' && src[i] != '\n')
17978 // word too long? restore i & len before splitting it
17979 if ((old_i-i+clen) >= width)
17986 if (i && src[i-1] == ' ')
17989 if (src[i] != ' ' && src[i] != '\n')
17996 // now append the newline and continuation sequence
18001 strncpy(dest+len, cseq, cseq_len);
18009 dest[len] = src[i];
18013 if (src[i] == '\n')
18018 if (dest && appData.debugMode)
18020 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18021 count, width, line, len, *lp);
18022 show_bytes(debugFP, src, count);
18023 fprintf(debugFP, "\ndest: ");
18024 show_bytes(debugFP, dest, len);
18025 fprintf(debugFP, "\n");
18027 *lp = dest ? line : old_line;
18032 // [HGM] vari: routines for shelving variations
18033 Boolean modeRestore = FALSE;
18036 PushInner (int firstMove, int lastMove)
18038 int i, j, nrMoves = lastMove - firstMove;
18040 // push current tail of game on stack
18041 savedResult[storedGames] = gameInfo.result;
18042 savedDetails[storedGames] = gameInfo.resultDetails;
18043 gameInfo.resultDetails = NULL;
18044 savedFirst[storedGames] = firstMove;
18045 savedLast [storedGames] = lastMove;
18046 savedFramePtr[storedGames] = framePtr;
18047 framePtr -= nrMoves; // reserve space for the boards
18048 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18049 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18050 for(j=0; j<MOVE_LEN; j++)
18051 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18052 for(j=0; j<2*MOVE_LEN; j++)
18053 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18054 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18055 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18056 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18057 pvInfoList[firstMove+i-1].depth = 0;
18058 commentList[framePtr+i] = commentList[firstMove+i];
18059 commentList[firstMove+i] = NULL;
18063 forwardMostMove = firstMove; // truncate game so we can start variation
18067 PushTail (int firstMove, int lastMove)
18069 if(appData.icsActive) { // only in local mode
18070 forwardMostMove = currentMove; // mimic old ICS behavior
18073 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18075 PushInner(firstMove, lastMove);
18076 if(storedGames == 1) GreyRevert(FALSE);
18077 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18081 PopInner (Boolean annotate)
18084 char buf[8000], moveBuf[20];
18086 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18087 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18088 nrMoves = savedLast[storedGames] - currentMove;
18091 if(!WhiteOnMove(currentMove))
18092 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18093 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18094 for(i=currentMove; i<forwardMostMove; i++) {
18096 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18097 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18098 strcat(buf, moveBuf);
18099 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18100 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18104 for(i=1; i<=nrMoves; i++) { // copy last variation back
18105 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18106 for(j=0; j<MOVE_LEN; j++)
18107 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18108 for(j=0; j<2*MOVE_LEN; j++)
18109 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18110 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18111 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18112 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18113 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18114 commentList[currentMove+i] = commentList[framePtr+i];
18115 commentList[framePtr+i] = NULL;
18117 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18118 framePtr = savedFramePtr[storedGames];
18119 gameInfo.result = savedResult[storedGames];
18120 if(gameInfo.resultDetails != NULL) {
18121 free(gameInfo.resultDetails);
18123 gameInfo.resultDetails = savedDetails[storedGames];
18124 forwardMostMove = currentMove + nrMoves;
18128 PopTail (Boolean annotate)
18130 if(appData.icsActive) return FALSE; // only in local mode
18131 if(!storedGames) return FALSE; // sanity
18132 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18134 PopInner(annotate);
18135 if(currentMove < forwardMostMove) ForwardEvent(); else
18136 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18138 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18144 { // remove all shelved variations
18146 for(i=0; i<storedGames; i++) {
18147 if(savedDetails[i])
18148 free(savedDetails[i]);
18149 savedDetails[i] = NULL;
18151 for(i=framePtr; i<MAX_MOVES; i++) {
18152 if(commentList[i]) free(commentList[i]);
18153 commentList[i] = NULL;
18155 framePtr = MAX_MOVES-1;
18160 LoadVariation (int index, char *text)
18161 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18162 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18163 int level = 0, move;
18165 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18166 // first find outermost bracketing variation
18167 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18168 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18169 if(*p == '{') wait = '}'; else
18170 if(*p == '[') wait = ']'; else
18171 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18172 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18174 if(*p == wait) wait = NULLCHAR; // closing ]} found
18177 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18178 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18179 end[1] = NULLCHAR; // clip off comment beyond variation
18180 ToNrEvent(currentMove-1);
18181 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18182 // kludge: use ParsePV() to append variation to game
18183 move = currentMove;
18184 ParsePV(start, TRUE, TRUE);
18185 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18186 ClearPremoveHighlights();
18188 ToNrEvent(currentMove+1);
18194 char *p, *q, buf[MSG_SIZ];
18195 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18196 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18197 ParseArgsFromString(buf);
18198 ActivateTheme(TRUE); // also redo colors
18202 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18205 q = appData.themeNames;
18206 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18207 if(appData.useBitmaps) {
18208 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18209 appData.liteBackTextureFile, appData.darkBackTextureFile,
18210 appData.liteBackTextureMode,
18211 appData.darkBackTextureMode );
18213 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18214 Col2Text(2), // lightSquareColor
18215 Col2Text(3) ); // darkSquareColor
18217 if(appData.useBorder) {
18218 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18221 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18223 if(appData.useFont) {
18224 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18225 appData.renderPiecesWithFont,
18226 appData.fontToPieceTable,
18227 Col2Text(9), // appData.fontBackColorWhite
18228 Col2Text(10) ); // appData.fontForeColorBlack
18230 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18231 appData.pieceDirectory);
18232 if(!appData.pieceDirectory[0])
18233 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18234 Col2Text(0), // whitePieceColor
18235 Col2Text(1) ); // blackPieceColor
18237 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18238 Col2Text(4), // highlightSquareColor
18239 Col2Text(5) ); // premoveHighlightColor
18240 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18241 if(insert != q) insert[-1] = NULLCHAR;
18242 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18245 ActivateTheme(FALSE);