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;
5304 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5305 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5306 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5307 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5308 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5309 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5312 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5313 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5314 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5315 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5316 if(!step) step = -1;
5317 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5318 appData.testLegality && (promoSweep == king || promoSweep == WhiteLion || promoSweep == BlackLion) ||
5319 IS_SHOGI(gameInfo.variant) && promoSweep != CHUPROMOTED last && last != CHUPROMOTED promoSweep && last != promoSweep);
5321 int victim = boards[currentMove][toY][toX];
5322 boards[currentMove][toY][toX] = promoSweep;
5323 DrawPosition(FALSE, boards[currentMove]);
5324 boards[currentMove][toY][toX] = victim;
5326 ChangeDragPiece(promoSweep);
5330 PromoScroll (int x, int y)
5334 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5335 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5336 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5337 if(!step) return FALSE;
5338 lastX = x; lastY = y;
5339 if((promoSweep < BlackPawn) == flipView) step = -step;
5340 if(step > 0) selectFlag = 1;
5341 if(!selectFlag) Sweep(step);
5346 NextPiece (int step)
5348 ChessSquare piece = boards[currentMove][toY][toX];
5351 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5352 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5353 if(!step) step = -1;
5354 } while(PieceToChar(pieceSweep) == '.');
5355 boards[currentMove][toY][toX] = pieceSweep;
5356 DrawPosition(FALSE, boards[currentMove]);
5357 boards[currentMove][toY][toX] = piece;
5359 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5361 AlphaRank (char *move, int n)
5363 // char *p = move, c; int x, y;
5365 if (appData.debugMode) {
5366 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5370 move[2]>='0' && move[2]<='9' &&
5371 move[3]>='a' && move[3]<='x' ) {
5373 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5374 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5376 if(move[0]>='0' && move[0]<='9' &&
5377 move[1]>='a' && move[1]<='x' &&
5378 move[2]>='0' && move[2]<='9' &&
5379 move[3]>='a' && move[3]<='x' ) {
5380 /* input move, Shogi -> normal */
5381 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5382 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5383 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5384 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5387 move[3]>='0' && move[3]<='9' &&
5388 move[2]>='a' && move[2]<='x' ) {
5390 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5391 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5394 move[0]>='a' && move[0]<='x' &&
5395 move[3]>='0' && move[3]<='9' &&
5396 move[2]>='a' && move[2]<='x' ) {
5397 /* output move, normal -> Shogi */
5398 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5399 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5400 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5401 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5402 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5404 if (appData.debugMode) {
5405 fprintf(debugFP, " out = '%s'\n", move);
5409 char yy_textstr[8000];
5411 /* Parser for moves from gnuchess, ICS, or user typein box */
5413 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5415 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5417 switch (*moveType) {
5418 case WhitePromotion:
5419 case BlackPromotion:
5420 case WhiteNonPromotion:
5421 case BlackNonPromotion:
5424 case WhiteCapturesEnPassant:
5425 case BlackCapturesEnPassant:
5426 case WhiteKingSideCastle:
5427 case WhiteQueenSideCastle:
5428 case BlackKingSideCastle:
5429 case BlackQueenSideCastle:
5430 case WhiteKingSideCastleWild:
5431 case WhiteQueenSideCastleWild:
5432 case BlackKingSideCastleWild:
5433 case BlackQueenSideCastleWild:
5434 /* Code added by Tord: */
5435 case WhiteHSideCastleFR:
5436 case WhiteASideCastleFR:
5437 case BlackHSideCastleFR:
5438 case BlackASideCastleFR:
5439 /* End of code added by Tord */
5440 case IllegalMove: /* bug or odd chess variant */
5441 *fromX = currentMoveString[0] - AAA;
5442 *fromY = currentMoveString[1] - ONE;
5443 *toX = currentMoveString[2] - AAA;
5444 *toY = currentMoveString[3] - ONE;
5445 *promoChar = currentMoveString[4];
5446 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5447 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5448 if (appData.debugMode) {
5449 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5451 *fromX = *fromY = *toX = *toY = 0;
5454 if (appData.testLegality) {
5455 return (*moveType != IllegalMove);
5457 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5458 // [HGM] lion: if this is a double move we are less critical
5459 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5464 *fromX = *moveType == WhiteDrop ?
5465 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5466 (int) CharToPiece(ToLower(currentMoveString[0]));
5468 *toX = currentMoveString[2] - AAA;
5469 *toY = currentMoveString[3] - ONE;
5470 *promoChar = NULLCHAR;
5474 case ImpossibleMove:
5484 if (appData.debugMode) {
5485 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5488 *fromX = *fromY = *toX = *toY = 0;
5489 *promoChar = NULLCHAR;
5494 Boolean pushed = FALSE;
5495 char *lastParseAttempt;
5498 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5499 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5500 int fromX, fromY, toX, toY; char promoChar;
5505 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5506 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5507 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5510 endPV = forwardMostMove;
5512 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5513 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5514 lastParseAttempt = pv;
5515 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5516 if(!valid && nr == 0 &&
5517 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5518 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5519 // Hande case where played move is different from leading PV move
5520 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5521 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5522 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5523 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5524 endPV += 2; // if position different, keep this
5525 moveList[endPV-1][0] = fromX + AAA;
5526 moveList[endPV-1][1] = fromY + ONE;
5527 moveList[endPV-1][2] = toX + AAA;
5528 moveList[endPV-1][3] = toY + ONE;
5529 parseList[endPV-1][0] = NULLCHAR;
5530 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5533 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5534 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5535 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5536 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5537 valid++; // allow comments in PV
5541 if(endPV+1 > framePtr) break; // no space, truncate
5544 CopyBoard(boards[endPV], boards[endPV-1]);
5545 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5546 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5547 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5548 CoordsToAlgebraic(boards[endPV - 1],
5549 PosFlags(endPV - 1),
5550 fromY, fromX, toY, toX, promoChar,
5551 parseList[endPV - 1]);
5553 if(atEnd == 2) return; // used hidden, for PV conversion
5554 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5555 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5556 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5557 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5558 DrawPosition(TRUE, boards[currentMove]);
5562 MultiPV (ChessProgramState *cps)
5563 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5565 for(i=0; i<cps->nrOptions; i++)
5566 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5571 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5574 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5576 int startPV, multi, lineStart, origIndex = index;
5577 char *p, buf2[MSG_SIZ];
5578 ChessProgramState *cps = (pane ? &second : &first);
5580 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5581 lastX = x; lastY = y;
5582 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5583 lineStart = startPV = index;
5584 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5585 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5587 do{ while(buf[index] && buf[index] != '\n') index++;
5588 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5590 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5591 int n = cps->option[multi].value;
5592 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5593 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5594 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5595 cps->option[multi].value = n;
5598 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5599 ExcludeClick(origIndex - lineStart);
5602 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5603 *start = startPV; *end = index-1;
5604 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5611 static char buf[10*MSG_SIZ];
5612 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5614 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5615 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5616 for(i = forwardMostMove; i<endPV; i++){
5617 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5618 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5621 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5622 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5623 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5629 LoadPV (int x, int y)
5630 { // called on right mouse click to load PV
5631 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5632 lastX = x; lastY = y;
5633 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5641 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5642 if(endPV < 0) return;
5643 if(appData.autoCopyPV) CopyFENToClipboard();
5645 if(extendGame && currentMove > forwardMostMove) {
5646 Boolean saveAnimate = appData.animate;
5648 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5649 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5650 } else storedGames--; // abandon shelved tail of original game
5653 forwardMostMove = currentMove;
5654 currentMove = oldFMM;
5655 appData.animate = FALSE;
5656 ToNrEvent(forwardMostMove);
5657 appData.animate = saveAnimate;
5659 currentMove = forwardMostMove;
5660 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5661 ClearPremoveHighlights();
5662 DrawPosition(TRUE, boards[currentMove]);
5666 MovePV (int x, int y, int h)
5667 { // step through PV based on mouse coordinates (called on mouse move)
5668 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5670 // we must somehow check if right button is still down (might be released off board!)
5671 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5672 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5673 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5675 lastX = x; lastY = y;
5677 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5678 if(endPV < 0) return;
5679 if(y < margin) step = 1; else
5680 if(y > h - margin) step = -1;
5681 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5682 currentMove += step;
5683 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5684 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5685 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5686 DrawPosition(FALSE, boards[currentMove]);
5690 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5691 // All positions will have equal probability, but the current method will not provide a unique
5692 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5698 int piecesLeft[(int)BlackPawn];
5699 int seed, nrOfShuffles;
5702 GetPositionNumber ()
5703 { // sets global variable seed
5706 seed = appData.defaultFrcPosition;
5707 if(seed < 0) { // randomize based on time for negative FRC position numbers
5708 for(i=0; i<50; i++) seed += random();
5709 seed = random() ^ random() >> 8 ^ random() << 8;
5710 if(seed<0) seed = -seed;
5715 put (Board board, int pieceType, int rank, int n, int shade)
5716 // put the piece on the (n-1)-th empty squares of the given shade
5720 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5721 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5722 board[rank][i] = (ChessSquare) pieceType;
5723 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5725 piecesLeft[pieceType]--;
5734 AddOnePiece (Board board, int pieceType, int rank, int shade)
5735 // calculate where the next piece goes, (any empty square), and put it there
5739 i = seed % squaresLeft[shade];
5740 nrOfShuffles *= squaresLeft[shade];
5741 seed /= squaresLeft[shade];
5742 put(board, pieceType, rank, i, shade);
5746 AddTwoPieces (Board board, int pieceType, int rank)
5747 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5749 int i, n=squaresLeft[ANY], j=n-1, k;
5751 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5752 i = seed % k; // pick one
5755 while(i >= j) i -= j--;
5756 j = n - 1 - j; i += j;
5757 put(board, pieceType, rank, j, ANY);
5758 put(board, pieceType, rank, i, ANY);
5762 SetUpShuffle (Board board, int number)
5766 GetPositionNumber(); nrOfShuffles = 1;
5768 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5769 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5770 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5772 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5774 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5775 p = (int) board[0][i];
5776 if(p < (int) BlackPawn) piecesLeft[p] ++;
5777 board[0][i] = EmptySquare;
5780 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5781 // shuffles restricted to allow normal castling put KRR first
5782 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5783 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5784 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5785 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5786 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5787 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5788 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5789 put(board, WhiteRook, 0, 0, ANY);
5790 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5793 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5794 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5795 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5796 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5797 while(piecesLeft[p] >= 2) {
5798 AddOnePiece(board, p, 0, LITE);
5799 AddOnePiece(board, p, 0, DARK);
5801 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5804 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5805 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5806 // but we leave King and Rooks for last, to possibly obey FRC restriction
5807 if(p == (int)WhiteRook) continue;
5808 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5809 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5812 // now everything is placed, except perhaps King (Unicorn) and Rooks
5814 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5815 // Last King gets castling rights
5816 while(piecesLeft[(int)WhiteUnicorn]) {
5817 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5818 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5821 while(piecesLeft[(int)WhiteKing]) {
5822 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5823 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5828 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5829 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5832 // Only Rooks can be left; simply place them all
5833 while(piecesLeft[(int)WhiteRook]) {
5834 i = put(board, WhiteRook, 0, 0, ANY);
5835 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5838 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5840 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5843 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5844 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5847 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5851 SetCharTable (char *table, const char * map)
5852 /* [HGM] moved here from winboard.c because of its general usefulness */
5853 /* Basically a safe strcpy that uses the last character as King */
5855 int result = FALSE; int NrPieces;
5857 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5858 && NrPieces >= 12 && !(NrPieces&1)) {
5859 int i; /* [HGM] Accept even length from 12 to 34 */
5861 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5862 for( i=0; i<NrPieces/2-1; i++ ) {
5864 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5866 table[(int) WhiteKing] = map[NrPieces/2-1];
5867 table[(int) BlackKing] = map[NrPieces-1];
5876 Prelude (Board board)
5877 { // [HGM] superchess: random selection of exo-pieces
5878 int i, j, k; ChessSquare p;
5879 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5881 GetPositionNumber(); // use FRC position number
5883 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5884 SetCharTable(pieceToChar, appData.pieceToCharTable);
5885 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5886 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5889 j = seed%4; seed /= 4;
5890 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5891 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5892 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5893 j = seed%3 + (seed%3 >= j); seed /= 3;
5894 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5895 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5896 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5897 j = seed%3; seed /= 3;
5898 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5899 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5900 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5901 j = seed%2 + (seed%2 >= j); seed /= 2;
5902 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5903 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5904 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5905 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5906 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5907 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5908 put(board, exoPieces[0], 0, 0, ANY);
5909 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5913 InitPosition (int redraw)
5915 ChessSquare (* pieces)[BOARD_FILES];
5916 int i, j, pawnRow=1, pieceRows=1, overrule,
5917 oldx = gameInfo.boardWidth,
5918 oldy = gameInfo.boardHeight,
5919 oldh = gameInfo.holdingsWidth;
5922 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5924 /* [AS] Initialize pv info list [HGM] and game status */
5926 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5927 pvInfoList[i].depth = 0;
5928 boards[i][EP_STATUS] = EP_NONE;
5929 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5932 initialRulePlies = 0; /* 50-move counter start */
5934 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5935 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5939 /* [HGM] logic here is completely changed. In stead of full positions */
5940 /* the initialized data only consist of the two backranks. The switch */
5941 /* selects which one we will use, which is than copied to the Board */
5942 /* initialPosition, which for the rest is initialized by Pawns and */
5943 /* empty squares. This initial position is then copied to boards[0], */
5944 /* possibly after shuffling, so that it remains available. */
5946 gameInfo.holdingsWidth = 0; /* default board sizes */
5947 gameInfo.boardWidth = 8;
5948 gameInfo.boardHeight = 8;
5949 gameInfo.holdingsSize = 0;
5950 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5951 for(i=0; i<BOARD_FILES-2; i++)
5952 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5953 initialPosition[EP_STATUS] = EP_NONE;
5954 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5955 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5956 SetCharTable(pieceNickName, appData.pieceNickNames);
5957 else SetCharTable(pieceNickName, "............");
5960 switch (gameInfo.variant) {
5961 case VariantFischeRandom:
5962 shuffleOpenings = TRUE;
5965 case VariantShatranj:
5966 pieces = ShatranjArray;
5967 nrCastlingRights = 0;
5968 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5971 pieces = makrukArray;
5972 nrCastlingRights = 0;
5973 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5976 pieces = aseanArray;
5977 nrCastlingRights = 0;
5978 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5980 case VariantTwoKings:
5981 pieces = twoKingsArray;
5984 pieces = GrandArray;
5985 nrCastlingRights = 0;
5986 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5987 gameInfo.boardWidth = 10;
5988 gameInfo.boardHeight = 10;
5989 gameInfo.holdingsSize = 7;
5991 case VariantCapaRandom:
5992 shuffleOpenings = TRUE;
5993 case VariantCapablanca:
5994 pieces = CapablancaArray;
5995 gameInfo.boardWidth = 10;
5996 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5999 pieces = GothicArray;
6000 gameInfo.boardWidth = 10;
6001 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6004 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6005 gameInfo.holdingsSize = 7;
6006 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6009 pieces = JanusArray;
6010 gameInfo.boardWidth = 10;
6011 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6012 nrCastlingRights = 6;
6013 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6014 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6015 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6016 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6017 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6018 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6021 pieces = FalconArray;
6022 gameInfo.boardWidth = 10;
6023 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6025 case VariantXiangqi:
6026 pieces = XiangqiArray;
6027 gameInfo.boardWidth = 9;
6028 gameInfo.boardHeight = 10;
6029 nrCastlingRights = 0;
6030 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6033 pieces = ShogiArray;
6034 gameInfo.boardWidth = 9;
6035 gameInfo.boardHeight = 9;
6036 gameInfo.holdingsSize = 7;
6037 nrCastlingRights = 0;
6038 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6041 pieces = ChuArray; pieceRows = 3;
6042 gameInfo.boardWidth = 12;
6043 gameInfo.boardHeight = 12;
6044 nrCastlingRights = 0;
6045 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6046 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6048 case VariantCourier:
6049 pieces = CourierArray;
6050 gameInfo.boardWidth = 12;
6051 nrCastlingRights = 0;
6052 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6054 case VariantKnightmate:
6055 pieces = KnightmateArray;
6056 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6058 case VariantSpartan:
6059 pieces = SpartanArray;
6060 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6064 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6066 case VariantChuChess:
6067 pieces = ChuChessArray;
6068 gameInfo.boardWidth = 10;
6069 gameInfo.boardHeight = 10;
6070 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6073 pieces = fairyArray;
6074 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6077 pieces = GreatArray;
6078 gameInfo.boardWidth = 10;
6079 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6080 gameInfo.holdingsSize = 8;
6084 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6085 gameInfo.holdingsSize = 8;
6086 startedFromSetupPosition = TRUE;
6088 case VariantCrazyhouse:
6089 case VariantBughouse:
6091 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6092 gameInfo.holdingsSize = 5;
6094 case VariantWildCastle:
6096 /* !!?shuffle with kings guaranteed to be on d or e file */
6097 shuffleOpenings = 1;
6099 case VariantNoCastle:
6101 nrCastlingRights = 0;
6102 /* !!?unconstrained back-rank shuffle */
6103 shuffleOpenings = 1;
6108 if(appData.NrFiles >= 0) {
6109 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6110 gameInfo.boardWidth = appData.NrFiles;
6112 if(appData.NrRanks >= 0) {
6113 gameInfo.boardHeight = appData.NrRanks;
6115 if(appData.holdingsSize >= 0) {
6116 i = appData.holdingsSize;
6117 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6118 gameInfo.holdingsSize = i;
6120 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6121 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6122 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6124 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6125 if(pawnRow < 1) pawnRow = 1;
6126 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6127 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6128 if(gameInfo.variant == VariantChu) pawnRow = 3;
6130 /* User pieceToChar list overrules defaults */
6131 if(appData.pieceToCharTable != NULL)
6132 SetCharTable(pieceToChar, appData.pieceToCharTable);
6134 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6136 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6137 s = (ChessSquare) 0; /* account holding counts in guard band */
6138 for( i=0; i<BOARD_HEIGHT; i++ )
6139 initialPosition[i][j] = s;
6141 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6142 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6143 initialPosition[pawnRow][j] = WhitePawn;
6144 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6145 if(gameInfo.variant == VariantXiangqi) {
6147 initialPosition[pawnRow][j] =
6148 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6149 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6150 initialPosition[2][j] = WhiteCannon;
6151 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6155 if(gameInfo.variant == VariantChu) {
6156 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6157 initialPosition[pawnRow+1][j] = WhiteCobra,
6158 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6159 for(i=1; i<pieceRows; i++) {
6160 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6161 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6164 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6165 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6166 initialPosition[0][j] = WhiteRook;
6167 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6170 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6172 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6173 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6176 initialPosition[1][j] = WhiteBishop;
6177 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6179 initialPosition[1][j] = WhiteRook;
6180 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6183 if( nrCastlingRights == -1) {
6184 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6185 /* This sets default castling rights from none to normal corners */
6186 /* Variants with other castling rights must set them themselves above */
6187 nrCastlingRights = 6;
6189 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6190 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6191 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6192 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6193 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6194 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6197 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6198 if(gameInfo.variant == VariantGreat) { // promotion commoners
6199 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6200 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6201 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6202 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6204 if( gameInfo.variant == VariantSChess ) {
6205 initialPosition[1][0] = BlackMarshall;
6206 initialPosition[2][0] = BlackAngel;
6207 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6208 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6209 initialPosition[1][1] = initialPosition[2][1] =
6210 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6212 if (appData.debugMode) {
6213 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6215 if(shuffleOpenings) {
6216 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6217 startedFromSetupPosition = TRUE;
6219 if(startedFromPositionFile) {
6220 /* [HGM] loadPos: use PositionFile for every new game */
6221 CopyBoard(initialPosition, filePosition);
6222 for(i=0; i<nrCastlingRights; i++)
6223 initialRights[i] = filePosition[CASTLING][i];
6224 startedFromSetupPosition = TRUE;
6227 CopyBoard(boards[0], initialPosition);
6229 if(oldx != gameInfo.boardWidth ||
6230 oldy != gameInfo.boardHeight ||
6231 oldv != gameInfo.variant ||
6232 oldh != gameInfo.holdingsWidth
6234 InitDrawingSizes(-2 ,0);
6236 oldv = gameInfo.variant;
6238 DrawPosition(TRUE, boards[currentMove]);
6242 SendBoard (ChessProgramState *cps, int moveNum)
6244 char message[MSG_SIZ];
6246 if (cps->useSetboard) {
6247 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6248 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6249 SendToProgram(message, cps);
6254 int i, j, left=0, right=BOARD_WIDTH;
6255 /* Kludge to set black to move, avoiding the troublesome and now
6256 * deprecated "black" command.
6258 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6259 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6261 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6263 SendToProgram("edit\n", cps);
6264 SendToProgram("#\n", cps);
6265 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6266 bp = &boards[moveNum][i][left];
6267 for (j = left; j < right; j++, bp++) {
6268 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6269 if ((int) *bp < (int) BlackPawn) {
6270 if(j == BOARD_RGHT+1)
6271 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6272 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6273 if(message[0] == '+' || message[0] == '~') {
6274 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6275 PieceToChar((ChessSquare)(DEMOTED *bp)),
6278 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6279 message[1] = BOARD_RGHT - 1 - j + '1';
6280 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6282 SendToProgram(message, cps);
6287 SendToProgram("c\n", cps);
6288 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6289 bp = &boards[moveNum][i][left];
6290 for (j = left; j < right; j++, bp++) {
6291 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6292 if (((int) *bp != (int) EmptySquare)
6293 && ((int) *bp >= (int) BlackPawn)) {
6294 if(j == BOARD_LEFT-2)
6295 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6296 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6298 if(message[0] == '+' || message[0] == '~') {
6299 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6300 PieceToChar((ChessSquare)(DEMOTED *bp)),
6303 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6304 message[1] = BOARD_RGHT - 1 - j + '1';
6305 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6307 SendToProgram(message, cps);
6312 SendToProgram(".\n", cps);
6314 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6317 char exclusionHeader[MSG_SIZ];
6318 int exCnt, excludePtr;
6319 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6320 static Exclusion excluTab[200];
6321 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6327 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6328 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6334 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6335 excludePtr = 24; exCnt = 0;
6340 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6341 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6342 char buf[2*MOVE_LEN], *p;
6343 Exclusion *e = excluTab;
6345 for(i=0; i<exCnt; i++)
6346 if(e[i].ff == fromX && e[i].fr == fromY &&
6347 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6348 if(i == exCnt) { // was not in exclude list; add it
6349 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6350 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6351 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6354 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6355 excludePtr++; e[i].mark = excludePtr++;
6356 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6359 exclusionHeader[e[i].mark] = state;
6363 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6364 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6368 if((signed char)promoChar == -1) { // kludge to indicate best move
6369 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6370 return 1; // if unparsable, abort
6372 // update exclusion map (resolving toggle by consulting existing state)
6373 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6375 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6376 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6377 excludeMap[k] |= 1<<j;
6378 else excludeMap[k] &= ~(1<<j);
6380 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6382 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6383 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6385 return (state == '+');
6389 ExcludeClick (int index)
6392 Exclusion *e = excluTab;
6393 if(index < 25) { // none, best or tail clicked
6394 if(index < 13) { // none: include all
6395 WriteMap(0); // clear map
6396 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6397 SendToBoth("include all\n"); // and inform engine
6398 } else if(index > 18) { // tail
6399 if(exclusionHeader[19] == '-') { // tail was excluded
6400 SendToBoth("include all\n");
6401 WriteMap(0); // clear map completely
6402 // now re-exclude selected moves
6403 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6404 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6405 } else { // tail was included or in mixed state
6406 SendToBoth("exclude all\n");
6407 WriteMap(0xFF); // fill map completely
6408 // now re-include selected moves
6409 j = 0; // count them
6410 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6411 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6412 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6415 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6418 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6419 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6420 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6427 DefaultPromoChoice (int white)
6430 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6431 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6432 result = WhiteFerz; // no choice
6433 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6434 result= WhiteKing; // in Suicide Q is the last thing we want
6435 else if(gameInfo.variant == VariantSpartan)
6436 result = white ? WhiteQueen : WhiteAngel;
6437 else result = WhiteQueen;
6438 if(!white) result = WHITE_TO_BLACK result;
6442 static int autoQueen; // [HGM] oneclick
6445 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6447 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6448 /* [HGM] add Shogi promotions */
6449 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6454 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6455 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6457 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6458 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6461 piece = boards[currentMove][fromY][fromX];
6462 if(gameInfo.variant == VariantChu) {
6463 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6464 promotionZoneSize = BOARD_HEIGHT/3;
6465 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6466 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6467 promotionZoneSize = BOARD_HEIGHT/3;
6468 highestPromotingPiece = (int)WhiteAlfil;
6469 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6470 promotionZoneSize = 3;
6473 // Treat Lance as Pawn when it is not representing Amazon
6474 if(gameInfo.variant != VariantSuper) {
6475 if(piece == WhiteLance) piece = WhitePawn; else
6476 if(piece == BlackLance) piece = BlackPawn;
6479 // next weed out all moves that do not touch the promotion zone at all
6480 if((int)piece >= BlackPawn) {
6481 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6483 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6484 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6486 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6487 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6488 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6492 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6494 // weed out mandatory Shogi promotions
6495 if(gameInfo.variant == VariantShogi) {
6496 if(piece >= BlackPawn) {
6497 if(toY == 0 && piece == BlackPawn ||
6498 toY == 0 && piece == BlackQueen ||
6499 toY <= 1 && piece == BlackKnight) {
6504 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6505 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6506 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6513 // weed out obviously illegal Pawn moves
6514 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6515 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6516 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6517 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6518 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6519 // note we are not allowed to test for valid (non-)capture, due to premove
6522 // we either have a choice what to promote to, or (in Shogi) whether to promote
6523 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6524 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6525 *promoChoice = PieceToChar(BlackFerz); // no choice
6528 // no sense asking what we must promote to if it is going to explode...
6529 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6530 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6533 // give caller the default choice even if we will not make it
6534 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6535 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6536 if(gameInfo.variant == VariantChuChess) *promoChoice = (piece == WhitePawn || piece == BlackPawn ? 'q' : '+');
6537 if( sweepSelect && gameInfo.variant != VariantGreat
6538 && gameInfo.variant != VariantGrand
6539 && gameInfo.variant != VariantSuper) return FALSE;
6540 if(autoQueen) return FALSE; // predetermined
6542 // suppress promotion popup on illegal moves that are not premoves
6543 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6544 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6545 if(appData.testLegality && !premove) {
6546 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6547 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6548 if(moveType != WhitePromotion && moveType != BlackPromotion)
6556 InPalace (int row, int column)
6557 { /* [HGM] for Xiangqi */
6558 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6559 column < (BOARD_WIDTH + 4)/2 &&
6560 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6565 PieceForSquare (int x, int y)
6567 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6570 return boards[currentMove][y][x];
6574 OKToStartUserMove (int x, int y)
6576 ChessSquare from_piece;
6579 if (matchMode) return FALSE;
6580 if (gameMode == EditPosition) return TRUE;
6582 if (x >= 0 && y >= 0)
6583 from_piece = boards[currentMove][y][x];
6585 from_piece = EmptySquare;
6587 if (from_piece == EmptySquare) return FALSE;
6589 white_piece = (int)from_piece >= (int)WhitePawn &&
6590 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6594 case TwoMachinesPlay:
6602 case MachinePlaysWhite:
6603 case IcsPlayingBlack:
6604 if (appData.zippyPlay) return FALSE;
6606 DisplayMoveError(_("You are playing Black"));
6611 case MachinePlaysBlack:
6612 case IcsPlayingWhite:
6613 if (appData.zippyPlay) return FALSE;
6615 DisplayMoveError(_("You are playing White"));
6620 case PlayFromGameFile:
6621 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6623 if (!white_piece && WhiteOnMove(currentMove)) {
6624 DisplayMoveError(_("It is White's turn"));
6627 if (white_piece && !WhiteOnMove(currentMove)) {
6628 DisplayMoveError(_("It is Black's turn"));
6631 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6632 /* Editing correspondence game history */
6633 /* Could disallow this or prompt for confirmation */
6638 case BeginningOfGame:
6639 if (appData.icsActive) return FALSE;
6640 if (!appData.noChessProgram) {
6642 DisplayMoveError(_("You are playing White"));
6649 if (!white_piece && WhiteOnMove(currentMove)) {
6650 DisplayMoveError(_("It is White's turn"));
6653 if (white_piece && !WhiteOnMove(currentMove)) {
6654 DisplayMoveError(_("It is Black's turn"));
6663 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6664 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6665 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6666 && gameMode != AnalyzeFile && gameMode != Training) {
6667 DisplayMoveError(_("Displayed position is not current"));
6674 OnlyMove (int *x, int *y, Boolean captures)
6676 DisambiguateClosure cl;
6677 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6679 case MachinePlaysBlack:
6680 case IcsPlayingWhite:
6681 case BeginningOfGame:
6682 if(!WhiteOnMove(currentMove)) return FALSE;
6684 case MachinePlaysWhite:
6685 case IcsPlayingBlack:
6686 if(WhiteOnMove(currentMove)) return FALSE;
6693 cl.pieceIn = EmptySquare;
6698 cl.promoCharIn = NULLCHAR;
6699 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6700 if( cl.kind == NormalMove ||
6701 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6702 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6703 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6710 if(cl.kind != ImpossibleMove) return FALSE;
6711 cl.pieceIn = EmptySquare;
6716 cl.promoCharIn = NULLCHAR;
6717 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6718 if( cl.kind == NormalMove ||
6719 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6720 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6721 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6726 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6732 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6733 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6734 int lastLoadGameUseList = FALSE;
6735 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6736 ChessMove lastLoadGameStart = EndOfFile;
6740 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6744 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6746 /* Check if the user is playing in turn. This is complicated because we
6747 let the user "pick up" a piece before it is his turn. So the piece he
6748 tried to pick up may have been captured by the time he puts it down!
6749 Therefore we use the color the user is supposed to be playing in this
6750 test, not the color of the piece that is currently on the starting
6751 square---except in EditGame mode, where the user is playing both
6752 sides; fortunately there the capture race can't happen. (It can
6753 now happen in IcsExamining mode, but that's just too bad. The user
6754 will get a somewhat confusing message in that case.)
6759 case TwoMachinesPlay:
6763 /* We switched into a game mode where moves are not accepted,
6764 perhaps while the mouse button was down. */
6767 case MachinePlaysWhite:
6768 /* User is moving for Black */
6769 if (WhiteOnMove(currentMove)) {
6770 DisplayMoveError(_("It is White's turn"));
6775 case MachinePlaysBlack:
6776 /* User is moving for White */
6777 if (!WhiteOnMove(currentMove)) {
6778 DisplayMoveError(_("It is Black's turn"));
6783 case PlayFromGameFile:
6784 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6787 case BeginningOfGame:
6790 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6791 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6792 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6793 /* User is moving for Black */
6794 if (WhiteOnMove(currentMove)) {
6795 DisplayMoveError(_("It is White's turn"));
6799 /* User is moving for White */
6800 if (!WhiteOnMove(currentMove)) {
6801 DisplayMoveError(_("It is Black's turn"));
6807 case IcsPlayingBlack:
6808 /* User is moving for Black */
6809 if (WhiteOnMove(currentMove)) {
6810 if (!appData.premove) {
6811 DisplayMoveError(_("It is White's turn"));
6812 } else if (toX >= 0 && toY >= 0) {
6815 premoveFromX = fromX;
6816 premoveFromY = fromY;
6817 premovePromoChar = promoChar;
6819 if (appData.debugMode)
6820 fprintf(debugFP, "Got premove: fromX %d,"
6821 "fromY %d, toX %d, toY %d\n",
6822 fromX, fromY, toX, toY);
6828 case IcsPlayingWhite:
6829 /* User is moving for White */
6830 if (!WhiteOnMove(currentMove)) {
6831 if (!appData.premove) {
6832 DisplayMoveError(_("It is Black's turn"));
6833 } else if (toX >= 0 && toY >= 0) {
6836 premoveFromX = fromX;
6837 premoveFromY = fromY;
6838 premovePromoChar = promoChar;
6840 if (appData.debugMode)
6841 fprintf(debugFP, "Got premove: fromX %d,"
6842 "fromY %d, toX %d, toY %d\n",
6843 fromX, fromY, toX, toY);
6853 /* EditPosition, empty square, or different color piece;
6854 click-click move is possible */
6855 if (toX == -2 || toY == -2) {
6856 boards[0][fromY][fromX] = EmptySquare;
6857 DrawPosition(FALSE, boards[currentMove]);
6859 } else if (toX >= 0 && toY >= 0) {
6860 boards[0][toY][toX] = boards[0][fromY][fromX];
6861 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6862 if(boards[0][fromY][0] != EmptySquare) {
6863 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6864 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6867 if(fromX == BOARD_RGHT+1) {
6868 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6869 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6870 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6873 boards[0][fromY][fromX] = gatingPiece;
6874 DrawPosition(FALSE, boards[currentMove]);
6880 if(toX < 0 || toY < 0) return;
6881 pup = boards[currentMove][toY][toX];
6883 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6884 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6885 if( pup != EmptySquare ) return;
6886 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6887 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6888 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6889 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6890 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6891 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6892 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6896 /* [HGM] always test for legality, to get promotion info */
6897 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6898 fromY, fromX, toY, toX, promoChar);
6900 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6902 /* [HGM] but possibly ignore an IllegalMove result */
6903 if (appData.testLegality) {
6904 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6905 DisplayMoveError(_("Illegal move"));
6910 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6911 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6912 ClearPremoveHighlights(); // was included
6913 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6917 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6920 /* Common tail of UserMoveEvent and DropMenuEvent */
6922 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6926 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6927 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6928 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6929 if(WhiteOnMove(currentMove)) {
6930 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6932 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6936 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6937 move type in caller when we know the move is a legal promotion */
6938 if(moveType == NormalMove && promoChar)
6939 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6941 /* [HGM] <popupFix> The following if has been moved here from
6942 UserMoveEvent(). Because it seemed to belong here (why not allow
6943 piece drops in training games?), and because it can only be
6944 performed after it is known to what we promote. */
6945 if (gameMode == Training) {
6946 /* compare the move played on the board to the next move in the
6947 * game. If they match, display the move and the opponent's response.
6948 * If they don't match, display an error message.
6952 CopyBoard(testBoard, boards[currentMove]);
6953 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6955 if (CompareBoards(testBoard, boards[currentMove+1])) {
6956 ForwardInner(currentMove+1);
6958 /* Autoplay the opponent's response.
6959 * if appData.animate was TRUE when Training mode was entered,
6960 * the response will be animated.
6962 saveAnimate = appData.animate;
6963 appData.animate = animateTraining;
6964 ForwardInner(currentMove+1);
6965 appData.animate = saveAnimate;
6967 /* check for the end of the game */
6968 if (currentMove >= forwardMostMove) {
6969 gameMode = PlayFromGameFile;
6971 SetTrainingModeOff();
6972 DisplayInformation(_("End of game"));
6975 DisplayError(_("Incorrect move"), 0);
6980 /* Ok, now we know that the move is good, so we can kill
6981 the previous line in Analysis Mode */
6982 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6983 && currentMove < forwardMostMove) {
6984 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6985 else forwardMostMove = currentMove;
6990 /* If we need the chess program but it's dead, restart it */
6991 ResurrectChessProgram();
6993 /* A user move restarts a paused game*/
6997 thinkOutput[0] = NULLCHAR;
6999 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7001 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7002 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7006 if (gameMode == BeginningOfGame) {
7007 if (appData.noChessProgram) {
7008 gameMode = EditGame;
7012 gameMode = MachinePlaysBlack;
7015 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7017 if (first.sendName) {
7018 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7019 SendToProgram(buf, &first);
7026 /* Relay move to ICS or chess engine */
7027 if (appData.icsActive) {
7028 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7029 gameMode == IcsExamining) {
7030 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7031 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7033 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7035 // also send plain move, in case ICS does not understand atomic claims
7036 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7040 if (first.sendTime && (gameMode == BeginningOfGame ||
7041 gameMode == MachinePlaysWhite ||
7042 gameMode == MachinePlaysBlack)) {
7043 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7045 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7046 // [HGM] book: if program might be playing, let it use book
7047 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7048 first.maybeThinking = TRUE;
7049 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7050 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7051 SendBoard(&first, currentMove+1);
7052 if(second.analyzing) {
7053 if(!second.useSetboard) SendToProgram("undo\n", &second);
7054 SendBoard(&second, currentMove+1);
7057 SendMoveToProgram(forwardMostMove-1, &first);
7058 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7060 if (currentMove == cmailOldMove + 1) {
7061 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7065 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7069 if(appData.testLegality)
7070 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7076 if (WhiteOnMove(currentMove)) {
7077 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7079 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7083 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7088 case MachinePlaysBlack:
7089 case MachinePlaysWhite:
7090 /* disable certain menu options while machine is thinking */
7091 SetMachineThinkingEnables();
7098 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7099 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7101 if(bookHit) { // [HGM] book: simulate book reply
7102 static char bookMove[MSG_SIZ]; // a bit generous?
7104 programStats.nodes = programStats.depth = programStats.time =
7105 programStats.score = programStats.got_only_move = 0;
7106 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7108 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7109 strcat(bookMove, bookHit);
7110 HandleMachineMove(bookMove, &first);
7116 MarkByFEN(char *fen)
7119 if(!appData.markers || !appData.highlightDragging) return;
7120 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7121 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7125 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7126 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7127 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7128 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7129 if(*fen == 'T') marker[r][f++] = 0; else
7130 if(*fen == 'Y') marker[r][f++] = 1; else
7131 if(*fen == 'G') marker[r][f++] = 3; else
7132 if(*fen == 'B') marker[r][f++] = 4; else
7133 if(*fen == 'C') marker[r][f++] = 5; else
7134 if(*fen == 'M') marker[r][f++] = 6; else
7135 if(*fen == 'W') marker[r][f++] = 7; else
7136 if(*fen == 'D') marker[r][f++] = 8; else
7137 if(*fen == 'R') marker[r][f++] = 2; else {
7138 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7141 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7145 DrawPosition(TRUE, NULL);
7148 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7151 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7153 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7154 Markers *m = (Markers *) closure;
7155 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7156 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7157 || kind == WhiteCapturesEnPassant
7158 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7159 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7163 MarkTargetSquares (int clear)
7166 if(clear) { // no reason to ever suppress clearing
7167 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = baseMarker[y][x] = 0;
7168 if(!sum) return; // nothing was cleared,no redraw needed
7171 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7172 !appData.testLegality || gameMode == EditPosition) return;
7173 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7174 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7175 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7177 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7180 DrawPosition(FALSE, NULL);
7184 Explode (Board board, int fromX, int fromY, int toX, int toY)
7186 if(gameInfo.variant == VariantAtomic &&
7187 (board[toY][toX] != EmptySquare || // capture?
7188 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7189 board[fromY][fromX] == BlackPawn )
7191 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7197 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7200 CanPromote (ChessSquare piece, int y)
7202 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7203 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7204 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7205 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7206 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7207 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7208 return (piece == BlackPawn && y == 1 ||
7209 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7210 piece == BlackLance && y == 1 ||
7211 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7215 HoverEvent (int xPix, int yPix, int x, int y)
7217 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7219 if(!first.highlight) return;
7220 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7221 if(x == oldX && y == oldY) return; // only do something if we enter new square
7222 oldFromX = fromX; oldFromY = fromY;
7223 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) // record markings after from-change
7224 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7225 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7226 else if(oldX != x || oldY != y) {
7227 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7228 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7229 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7230 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7232 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7233 SendToProgram(buf, &first);
7236 // SetHighlights(fromX, fromY, x, y);
7240 void ReportClick(char *action, int x, int y)
7242 char buf[MSG_SIZ]; // Inform engine of what user does
7244 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7245 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7246 if(!first.highlight || gameMode == EditPosition) return;
7247 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7248 SendToProgram(buf, &first);
7252 LeftClick (ClickType clickType, int xPix, int yPix)
7255 Boolean saveAnimate;
7256 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7257 char promoChoice = NULLCHAR;
7259 static TimeMark lastClickTime, prevClickTime;
7261 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7263 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7265 if (clickType == Press) ErrorPopDown();
7266 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7268 x = EventToSquare(xPix, BOARD_WIDTH);
7269 y = EventToSquare(yPix, BOARD_HEIGHT);
7270 if (!flipView && y >= 0) {
7271 y = BOARD_HEIGHT - 1 - y;
7273 if (flipView && x >= 0) {
7274 x = BOARD_WIDTH - 1 - x;
7277 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7278 defaultPromoChoice = promoSweep;
7279 promoSweep = EmptySquare; // terminate sweep
7280 promoDefaultAltered = TRUE;
7281 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7284 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7285 if(clickType == Release) return; // ignore upclick of click-click destination
7286 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7287 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7288 if(gameInfo.holdingsWidth &&
7289 (WhiteOnMove(currentMove)
7290 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7291 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7292 // click in right holdings, for determining promotion piece
7293 ChessSquare p = boards[currentMove][y][x];
7294 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7295 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7296 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7297 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7302 DrawPosition(FALSE, boards[currentMove]);
7306 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7307 if(clickType == Press
7308 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7309 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7310 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7313 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7314 // could be static click on premove from-square: abort premove
7316 ClearPremoveHighlights();
7319 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7320 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7322 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7323 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7324 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7325 defaultPromoChoice = DefaultPromoChoice(side);
7328 autoQueen = appData.alwaysPromoteToQueen;
7332 gatingPiece = EmptySquare;
7333 if (clickType != Press) {
7334 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7335 DragPieceEnd(xPix, yPix); dragging = 0;
7336 DrawPosition(FALSE, NULL);
7340 doubleClick = FALSE;
7341 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7342 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7344 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7345 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7346 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7347 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7349 if (OKToStartUserMove(fromX, fromY)) {
7351 ReportClick("lift", x, y);
7352 MarkTargetSquares(0);
7353 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7354 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7355 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7356 promoSweep = defaultPromoChoice;
7357 selectFlag = 0; lastX = xPix; lastY = yPix;
7358 Sweep(0); // Pawn that is going to promote: preview promotion piece
7359 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7361 if (appData.highlightDragging) {
7362 SetHighlights(fromX, fromY, -1, -1);
7366 } else fromX = fromY = -1;
7372 if (clickType == Press && gameMode != EditPosition) {
7377 // ignore off-board to clicks
7378 if(y < 0 || x < 0) return;
7380 /* Check if clicking again on the same color piece */
7381 fromP = boards[currentMove][fromY][fromX];
7382 toP = boards[currentMove][y][x];
7383 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7384 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7385 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7386 WhitePawn <= toP && toP <= WhiteKing &&
7387 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7388 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7389 (BlackPawn <= fromP && fromP <= BlackKing &&
7390 BlackPawn <= toP && toP <= BlackKing &&
7391 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7392 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7393 /* Clicked again on same color piece -- changed his mind */
7394 second = (x == fromX && y == fromY);
7396 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7397 second = FALSE; // first double-click rather than scond click
7398 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7400 promoDefaultAltered = FALSE;
7401 MarkTargetSquares(1);
7402 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7403 if (appData.highlightDragging) {
7404 SetHighlights(x, y, -1, -1);
7408 if (OKToStartUserMove(x, y)) {
7409 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7410 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7411 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7412 gatingPiece = boards[currentMove][fromY][fromX];
7413 else gatingPiece = doubleClick ? fromP : EmptySquare;
7415 fromY = y; dragging = 1;
7416 ReportClick("lift", x, y);
7417 MarkTargetSquares(0);
7418 DragPieceBegin(xPix, yPix, FALSE);
7419 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7420 promoSweep = defaultPromoChoice;
7421 selectFlag = 0; lastX = xPix; lastY = yPix;
7422 Sweep(0); // Pawn that is going to promote: preview promotion piece
7426 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7429 // ignore clicks on holdings
7430 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7433 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7434 DragPieceEnd(xPix, yPix); dragging = 0;
7436 // a deferred attempt to click-click move an empty square on top of a piece
7437 boards[currentMove][y][x] = EmptySquare;
7439 DrawPosition(FALSE, boards[currentMove]);
7440 fromX = fromY = -1; clearFlag = 0;
7443 if (appData.animateDragging) {
7444 /* Undo animation damage if any */
7445 DrawPosition(FALSE, NULL);
7447 if (second || sweepSelecting) {
7448 /* Second up/down in same square; just abort move */
7449 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7450 second = sweepSelecting = 0;
7452 gatingPiece = EmptySquare;
7453 MarkTargetSquares(1);
7456 ClearPremoveHighlights();
7458 /* First upclick in same square; start click-click mode */
7459 SetHighlights(x, y, -1, -1);
7466 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7467 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7468 DisplayMessage(_("only marked squares are legal"),"");
7469 DrawPosition(TRUE, NULL);
7470 return; // ignore to-click
7473 /* we now have a different from- and (possibly off-board) to-square */
7474 /* Completed move */
7475 if(!sweepSelecting) {
7480 saveAnimate = appData.animate;
7481 if (clickType == Press) {
7482 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7483 // must be Edit Position mode with empty-square selected
7484 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7485 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7488 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7491 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7492 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7494 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7495 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7496 if(appData.sweepSelect) {
7497 ChessSquare piece = boards[currentMove][fromY][fromX];
7498 promoSweep = defaultPromoChoice;
7499 if(PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7500 selectFlag = 0; lastX = xPix; lastY = yPix;
7501 Sweep(0); // Pawn that is going to promote: preview promotion piece
7503 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7504 MarkTargetSquares(1);
7506 return; // promo popup appears on up-click
7508 /* Finish clickclick move */
7509 if (appData.animate || appData.highlightLastMove) {
7510 SetHighlights(fromX, fromY, toX, toY);
7514 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7516 if (appData.animate || appData.highlightLastMove) {
7517 SetHighlights(fromX, fromY, toX, toY);
7523 // [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
7524 /* Finish drag move */
7525 if (appData.highlightLastMove) {
7526 SetHighlights(fromX, fromY, toX, toY);
7531 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7532 dragging *= 2; // flag button-less dragging if we are dragging
7533 MarkTargetSquares(1);
7534 if(x == killX && y == killY) killX = killY = -1; else {
7535 killX = x; killY = y; //remeber this square as intermediate
7536 ReportClick("put", x, y); // and inform engine
7537 ReportClick("lift", x, y);
7538 MarkTargetSquares(0);
7542 DragPieceEnd(xPix, yPix); dragging = 0;
7543 /* Don't animate move and drag both */
7544 appData.animate = FALSE;
7547 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7548 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7549 ChessSquare piece = boards[currentMove][fromY][fromX];
7550 if(gameMode == EditPosition && piece != EmptySquare &&
7551 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7554 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7555 n = PieceToNumber(piece - (int)BlackPawn);
7556 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7557 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7558 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7560 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7561 n = PieceToNumber(piece);
7562 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7563 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7564 boards[currentMove][n][BOARD_WIDTH-2]++;
7566 boards[currentMove][fromY][fromX] = EmptySquare;
7570 MarkTargetSquares(1);
7571 DrawPosition(TRUE, boards[currentMove]);
7575 // off-board moves should not be highlighted
7576 if(x < 0 || y < 0) ClearHighlights();
7577 else ReportClick("put", x, y);
7579 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7581 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7582 SetHighlights(fromX, fromY, toX, toY);
7583 MarkTargetSquares(1);
7584 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7585 // [HGM] super: promotion to captured piece selected from holdings
7586 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7587 promotionChoice = TRUE;
7588 // kludge follows to temporarily execute move on display, without promoting yet
7589 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7590 boards[currentMove][toY][toX] = p;
7591 DrawPosition(FALSE, boards[currentMove]);
7592 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7593 boards[currentMove][toY][toX] = q;
7594 DisplayMessage("Click in holdings to choose piece", "");
7599 int oldMove = currentMove;
7600 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7601 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7602 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7603 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7604 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7605 DrawPosition(TRUE, boards[currentMove]);
7606 MarkTargetSquares(1);
7609 appData.animate = saveAnimate;
7610 if (appData.animate || appData.animateDragging) {
7611 /* Undo animation damage if needed */
7612 DrawPosition(FALSE, NULL);
7617 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7618 { // front-end-free part taken out of PieceMenuPopup
7619 int whichMenu; int xSqr, ySqr;
7621 if(seekGraphUp) { // [HGM] seekgraph
7622 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7623 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7627 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7628 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7629 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7630 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7631 if(action == Press) {
7632 originalFlip = flipView;
7633 flipView = !flipView; // temporarily flip board to see game from partners perspective
7634 DrawPosition(TRUE, partnerBoard);
7635 DisplayMessage(partnerStatus, "");
7637 } else if(action == Release) {
7638 flipView = originalFlip;
7639 DrawPosition(TRUE, boards[currentMove]);
7645 xSqr = EventToSquare(x, BOARD_WIDTH);
7646 ySqr = EventToSquare(y, BOARD_HEIGHT);
7647 if (action == Release) {
7648 if(pieceSweep != EmptySquare) {
7649 EditPositionMenuEvent(pieceSweep, toX, toY);
7650 pieceSweep = EmptySquare;
7651 } else UnLoadPV(); // [HGM] pv
7653 if (action != Press) return -2; // return code to be ignored
7656 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7658 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7659 if (xSqr < 0 || ySqr < 0) return -1;
7660 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7661 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7662 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7663 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7667 if(!appData.icsEngineAnalyze) return -1;
7668 case IcsPlayingWhite:
7669 case IcsPlayingBlack:
7670 if(!appData.zippyPlay) goto noZip;
7673 case MachinePlaysWhite:
7674 case MachinePlaysBlack:
7675 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7676 if (!appData.dropMenu) {
7678 return 2; // flag front-end to grab mouse events
7680 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7681 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7684 if (xSqr < 0 || ySqr < 0) return -1;
7685 if (!appData.dropMenu || appData.testLegality &&
7686 gameInfo.variant != VariantBughouse &&
7687 gameInfo.variant != VariantCrazyhouse) return -1;
7688 whichMenu = 1; // drop menu
7694 if (((*fromX = xSqr) < 0) ||
7695 ((*fromY = ySqr) < 0)) {
7696 *fromX = *fromY = -1;
7700 *fromX = BOARD_WIDTH - 1 - *fromX;
7702 *fromY = BOARD_HEIGHT - 1 - *fromY;
7708 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7710 // char * hint = lastHint;
7711 FrontEndProgramStats stats;
7713 stats.which = cps == &first ? 0 : 1;
7714 stats.depth = cpstats->depth;
7715 stats.nodes = cpstats->nodes;
7716 stats.score = cpstats->score;
7717 stats.time = cpstats->time;
7718 stats.pv = cpstats->movelist;
7719 stats.hint = lastHint;
7720 stats.an_move_index = 0;
7721 stats.an_move_count = 0;
7723 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7724 stats.hint = cpstats->move_name;
7725 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7726 stats.an_move_count = cpstats->nr_moves;
7729 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
7731 SetProgramStats( &stats );
7735 ClearEngineOutputPane (int which)
7737 static FrontEndProgramStats dummyStats;
7738 dummyStats.which = which;
7739 dummyStats.pv = "#";
7740 SetProgramStats( &dummyStats );
7743 #define MAXPLAYERS 500
7746 TourneyStandings (int display)
7748 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7749 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7750 char result, *p, *names[MAXPLAYERS];
7752 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7753 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7754 names[0] = p = strdup(appData.participants);
7755 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7757 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7759 while(result = appData.results[nr]) {
7760 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7761 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7762 wScore = bScore = 0;
7764 case '+': wScore = 2; break;
7765 case '-': bScore = 2; break;
7766 case '=': wScore = bScore = 1; break;
7768 case '*': return strdup("busy"); // tourney not finished
7776 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7777 for(w=0; w<nPlayers; w++) {
7779 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7780 ranking[w] = b; points[w] = bScore; score[b] = -2;
7782 p = malloc(nPlayers*34+1);
7783 for(w=0; w<nPlayers && w<display; w++)
7784 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7790 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7791 { // count all piece types
7793 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7794 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7795 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7798 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7799 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7800 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7801 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7802 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7803 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7808 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7810 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7811 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7813 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7814 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7815 if(myPawns == 2 && nMine == 3) // KPP
7816 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7817 if(myPawns == 1 && nMine == 2) // KP
7818 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7819 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7820 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7821 if(myPawns) return FALSE;
7822 if(pCnt[WhiteRook+side])
7823 return pCnt[BlackRook-side] ||
7824 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7825 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7826 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7827 if(pCnt[WhiteCannon+side]) {
7828 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7829 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7831 if(pCnt[WhiteKnight+side])
7832 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7837 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7839 VariantClass v = gameInfo.variant;
7841 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7842 if(v == VariantShatranj) return TRUE; // always winnable through baring
7843 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7844 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7846 if(v == VariantXiangqi) {
7847 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7849 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7850 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7851 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7852 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7853 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7854 if(stale) // we have at least one last-rank P plus perhaps C
7855 return majors // KPKX
7856 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7858 return pCnt[WhiteFerz+side] // KCAK
7859 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7860 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7861 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7863 } else if(v == VariantKnightmate) {
7864 if(nMine == 1) return FALSE;
7865 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7866 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7867 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7869 if(nMine == 1) return FALSE; // bare King
7870 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
7871 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7872 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7873 // by now we have King + 1 piece (or multiple Bishops on the same color)
7874 if(pCnt[WhiteKnight+side])
7875 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7876 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7877 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7879 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7880 if(pCnt[WhiteAlfil+side])
7881 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7882 if(pCnt[WhiteWazir+side])
7883 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7890 CompareWithRights (Board b1, Board b2)
7893 if(!CompareBoards(b1, b2)) return FALSE;
7894 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7895 /* compare castling rights */
7896 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7897 rights++; /* King lost rights, while rook still had them */
7898 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7899 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7900 rights++; /* but at least one rook lost them */
7902 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7904 if( b1[CASTLING][5] != NoRights ) {
7905 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7912 Adjudicate (ChessProgramState *cps)
7913 { // [HGM] some adjudications useful with buggy engines
7914 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7915 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7916 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7917 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7918 int k, drop, count = 0; static int bare = 1;
7919 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7920 Boolean canAdjudicate = !appData.icsActive;
7922 // most tests only when we understand the game, i.e. legality-checking on
7923 if( appData.testLegality )
7924 { /* [HGM] Some more adjudications for obstinate engines */
7925 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7926 static int moveCount = 6;
7928 char *reason = NULL;
7930 /* Count what is on board. */
7931 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7933 /* Some material-based adjudications that have to be made before stalemate test */
7934 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7935 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7936 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7937 if(canAdjudicate && appData.checkMates) {
7939 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7940 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7941 "Xboard adjudication: King destroyed", GE_XBOARD );
7946 /* Bare King in Shatranj (loses) or Losers (wins) */
7947 if( nrW == 1 || nrB == 1) {
7948 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7949 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7950 if(canAdjudicate && appData.checkMates) {
7952 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7953 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7954 "Xboard adjudication: Bare king", GE_XBOARD );
7958 if( gameInfo.variant == VariantShatranj && --bare < 0)
7960 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7961 if(canAdjudicate && appData.checkMates) {
7962 /* but only adjudicate if adjudication enabled */
7964 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7965 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7966 "Xboard adjudication: Bare king", GE_XBOARD );
7973 // don't wait for engine to announce game end if we can judge ourselves
7974 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7976 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7977 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7978 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7979 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7982 reason = "Xboard adjudication: 3rd check";
7983 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7993 reason = "Xboard adjudication: Stalemate";
7994 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7995 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7996 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7997 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7998 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7999 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8000 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8001 EP_CHECKMATE : EP_WINS);
8002 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8003 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8007 reason = "Xboard adjudication: Checkmate";
8008 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8009 if(gameInfo.variant == VariantShogi) {
8010 if(forwardMostMove > backwardMostMove
8011 && moveList[forwardMostMove-1][1] == '@'
8012 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8013 reason = "XBoard adjudication: pawn-drop mate";
8014 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8020 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8022 result = GameIsDrawn; break;
8024 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8026 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8030 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8032 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8033 GameEnds( result, reason, GE_XBOARD );
8037 /* Next absolutely insufficient mating material. */
8038 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8039 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8040 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8042 /* always flag draws, for judging claims */
8043 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8045 if(canAdjudicate && appData.materialDraws) {
8046 /* but only adjudicate them if adjudication enabled */
8047 if(engineOpponent) {
8048 SendToProgram("force\n", engineOpponent); // suppress reply
8049 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8051 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8056 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8057 if(gameInfo.variant == VariantXiangqi ?
8058 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8060 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8061 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8062 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8063 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8065 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8066 { /* if the first 3 moves do not show a tactical win, declare draw */
8067 if(engineOpponent) {
8068 SendToProgram("force\n", engineOpponent); // suppress reply
8069 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8071 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8074 } else moveCount = 6;
8077 // Repetition draws and 50-move rule can be applied independently of legality testing
8079 /* Check for rep-draws */
8081 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8082 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8083 for(k = forwardMostMove-2;
8084 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8085 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8086 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8089 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8090 /* compare castling rights */
8091 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8092 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8093 rights++; /* King lost rights, while rook still had them */
8094 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8095 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8096 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8097 rights++; /* but at least one rook lost them */
8099 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8100 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8102 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8103 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8104 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8107 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8108 && appData.drawRepeats > 1) {
8109 /* adjudicate after user-specified nr of repeats */
8110 int result = GameIsDrawn;
8111 char *details = "XBoard adjudication: repetition draw";
8112 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8113 // [HGM] xiangqi: check for forbidden perpetuals
8114 int m, ourPerpetual = 1, hisPerpetual = 1;
8115 for(m=forwardMostMove; m>k; m-=2) {
8116 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8117 ourPerpetual = 0; // the current mover did not always check
8118 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8119 hisPerpetual = 0; // the opponent did not always check
8121 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8122 ourPerpetual, hisPerpetual);
8123 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8124 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8125 details = "Xboard adjudication: perpetual checking";
8127 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8128 break; // (or we would have caught him before). Abort repetition-checking loop.
8130 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8131 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8133 details = "Xboard adjudication: repetition";
8135 } else // it must be XQ
8136 // Now check for perpetual chases
8137 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8138 hisPerpetual = PerpetualChase(k, forwardMostMove);
8139 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8140 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8141 static char resdet[MSG_SIZ];
8142 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8144 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8146 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8147 break; // Abort repetition-checking loop.
8149 // if neither of us is checking or chasing all the time, or both are, it is draw
8151 if(engineOpponent) {
8152 SendToProgram("force\n", engineOpponent); // suppress reply
8153 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8155 GameEnds( result, details, GE_XBOARD );
8158 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8159 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8163 /* Now we test for 50-move draws. Determine ply count */
8164 count = forwardMostMove;
8165 /* look for last irreversble move */
8166 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8168 /* if we hit starting position, add initial plies */
8169 if( count == backwardMostMove )
8170 count -= initialRulePlies;
8171 count = forwardMostMove - count;
8172 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8173 // adjust reversible move counter for checks in Xiangqi
8174 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8175 if(i < backwardMostMove) i = backwardMostMove;
8176 while(i <= forwardMostMove) {
8177 lastCheck = inCheck; // check evasion does not count
8178 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8179 if(inCheck || lastCheck) count--; // check does not count
8184 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8185 /* this is used to judge if draw claims are legal */
8186 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8187 if(engineOpponent) {
8188 SendToProgram("force\n", engineOpponent); // suppress reply
8189 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8191 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8195 /* if draw offer is pending, treat it as a draw claim
8196 * when draw condition present, to allow engines a way to
8197 * claim draws before making their move to avoid a race
8198 * condition occurring after their move
8200 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8202 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8203 p = "Draw claim: 50-move rule";
8204 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8205 p = "Draw claim: 3-fold repetition";
8206 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8207 p = "Draw claim: insufficient mating material";
8208 if( p != NULL && canAdjudicate) {
8209 if(engineOpponent) {
8210 SendToProgram("force\n", engineOpponent); // suppress reply
8211 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8213 GameEnds( GameIsDrawn, p, GE_XBOARD );
8218 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8219 if(engineOpponent) {
8220 SendToProgram("force\n", engineOpponent); // suppress reply
8221 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8223 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8230 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8231 { // [HGM] book: this routine intercepts moves to simulate book replies
8232 char *bookHit = NULL;
8234 //first determine if the incoming move brings opponent into his book
8235 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8236 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8237 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8238 if(bookHit != NULL && !cps->bookSuspend) {
8239 // make sure opponent is not going to reply after receiving move to book position
8240 SendToProgram("force\n", cps);
8241 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8243 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8244 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8245 // now arrange restart after book miss
8247 // after a book hit we never send 'go', and the code after the call to this routine
8248 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8249 char buf[MSG_SIZ], *move = bookHit;
8251 int fromX, fromY, toX, toY;
8255 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8256 &fromX, &fromY, &toX, &toY, &promoChar)) {
8257 (void) CoordsToAlgebraic(boards[forwardMostMove],
8258 PosFlags(forwardMostMove),
8259 fromY, fromX, toY, toX, promoChar, move);
8261 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8265 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8266 SendToProgram(buf, cps);
8267 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8268 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8269 SendToProgram("go\n", cps);
8270 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8271 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8272 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8273 SendToProgram("go\n", cps);
8274 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8276 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8280 LoadError (char *errmess, ChessProgramState *cps)
8281 { // unloads engine and switches back to -ncp mode if it was first
8282 if(cps->initDone) return FALSE;
8283 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8284 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8287 appData.noChessProgram = TRUE;
8288 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8289 gameMode = BeginningOfGame; ModeHighlight();
8292 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8293 DisplayMessage("", ""); // erase waiting message
8294 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8299 ChessProgramState *savedState;
8301 DeferredBookMove (void)
8303 if(savedState->lastPing != savedState->lastPong)
8304 ScheduleDelayedEvent(DeferredBookMove, 10);
8306 HandleMachineMove(savedMessage, savedState);
8309 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8310 static ChessProgramState *stalledEngine;
8311 static char stashedInputMove[MSG_SIZ];
8314 HandleMachineMove (char *message, ChessProgramState *cps)
8316 static char firstLeg[20];
8317 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8318 char realname[MSG_SIZ];
8319 int fromX, fromY, toX, toY;
8321 char promoChar, roar;
8323 int machineWhite, oldError;
8326 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8327 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8328 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8329 DisplayError(_("Invalid pairing from pairing engine"), 0);
8332 pairingReceived = 1;
8334 return; // Skim the pairing messages here.
8337 oldError = cps->userError; cps->userError = 0;
8339 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8341 * Kludge to ignore BEL characters
8343 while (*message == '\007') message++;
8346 * [HGM] engine debug message: ignore lines starting with '#' character
8348 if(cps->debug && *message == '#') return;
8351 * Look for book output
8353 if (cps == &first && bookRequested) {
8354 if (message[0] == '\t' || message[0] == ' ') {
8355 /* Part of the book output is here; append it */
8356 strcat(bookOutput, message);
8357 strcat(bookOutput, " \n");
8359 } else if (bookOutput[0] != NULLCHAR) {
8360 /* All of book output has arrived; display it */
8361 char *p = bookOutput;
8362 while (*p != NULLCHAR) {
8363 if (*p == '\t') *p = ' ';
8366 DisplayInformation(bookOutput);
8367 bookRequested = FALSE;
8368 /* Fall through to parse the current output */
8373 * Look for machine move.
8375 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8376 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8378 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8379 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8380 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8381 stalledEngine = cps;
8382 if(appData.ponderNextMove) { // bring opponent out of ponder
8383 if(gameMode == TwoMachinesPlay) {
8384 if(cps->other->pause)
8385 PauseEngine(cps->other);
8387 SendToProgram("easy\n", cps->other);
8394 /* This method is only useful on engines that support ping */
8395 if (cps->lastPing != cps->lastPong) {
8396 if (gameMode == BeginningOfGame) {
8397 /* Extra move from before last new; ignore */
8398 if (appData.debugMode) {
8399 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8402 if (appData.debugMode) {
8403 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8404 cps->which, gameMode);
8407 SendToProgram("undo\n", cps);
8413 case BeginningOfGame:
8414 /* Extra move from before last reset; ignore */
8415 if (appData.debugMode) {
8416 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8423 /* Extra move after we tried to stop. The mode test is
8424 not a reliable way of detecting this problem, but it's
8425 the best we can do on engines that don't support ping.
8427 if (appData.debugMode) {
8428 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8429 cps->which, gameMode);
8431 SendToProgram("undo\n", cps);
8434 case MachinePlaysWhite:
8435 case IcsPlayingWhite:
8436 machineWhite = TRUE;
8439 case MachinePlaysBlack:
8440 case IcsPlayingBlack:
8441 machineWhite = FALSE;
8444 case TwoMachinesPlay:
8445 machineWhite = (cps->twoMachinesColor[0] == 'w');
8448 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8449 if (appData.debugMode) {
8451 "Ignoring move out of turn by %s, gameMode %d"
8452 ", forwardMost %d\n",
8453 cps->which, gameMode, forwardMostMove);
8458 if(cps->alphaRank) AlphaRank(machineMove, 4);
8460 // [HGM] lion: (some very limited) support for Alien protocol
8462 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8463 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8465 } else if(firstLeg[0]) { // there was a previous leg;
8466 // only support case where same piece makes two step (and don't even test that!)
8467 char buf[20], *p = machineMove+1, *q = buf+1, f;
8468 safeStrCpy(buf, machineMove, 20);
8469 while(isdigit(*q)) q++; // find start of to-square
8470 safeStrCpy(machineMove, firstLeg, 20);
8471 while(isdigit(*p)) p++;
8472 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8473 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8474 firstLeg[0] = NULLCHAR;
8477 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8478 &fromX, &fromY, &toX, &toY, &promoChar)) {
8479 /* Machine move could not be parsed; ignore it. */
8480 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8481 machineMove, _(cps->which));
8482 DisplayMoveError(buf1);
8483 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8484 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8485 if (gameMode == TwoMachinesPlay) {
8486 GameEnds(machineWhite ? BlackWins : WhiteWins,
8492 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8493 /* So we have to redo legality test with true e.p. status here, */
8494 /* to make sure an illegal e.p. capture does not slip through, */
8495 /* to cause a forfeit on a justified illegal-move complaint */
8496 /* of the opponent. */
8497 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8499 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8500 fromY, fromX, toY, toX, promoChar);
8501 if(moveType == IllegalMove) {
8502 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8503 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8504 GameEnds(machineWhite ? BlackWins : WhiteWins,
8507 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8508 /* [HGM] Kludge to handle engines that send FRC-style castling
8509 when they shouldn't (like TSCP-Gothic) */
8511 case WhiteASideCastleFR:
8512 case BlackASideCastleFR:
8514 currentMoveString[2]++;
8516 case WhiteHSideCastleFR:
8517 case BlackHSideCastleFR:
8519 currentMoveString[2]--;
8521 default: ; // nothing to do, but suppresses warning of pedantic compilers
8524 hintRequested = FALSE;
8525 lastHint[0] = NULLCHAR;
8526 bookRequested = FALSE;
8527 /* Program may be pondering now */
8528 cps->maybeThinking = TRUE;
8529 if (cps->sendTime == 2) cps->sendTime = 1;
8530 if (cps->offeredDraw) cps->offeredDraw--;
8532 /* [AS] Save move info*/
8533 pvInfoList[ forwardMostMove ].score = programStats.score;
8534 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8535 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8537 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8539 /* Test suites abort the 'game' after one move */
8540 if(*appData.finger) {
8542 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8543 if(!f) f = fopen(appData.finger, "w");
8544 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8545 else { DisplayFatalError("Bad output file", errno, 0); return; }
8547 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8550 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8551 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8554 while( count < adjudicateLossPlies ) {
8555 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8558 score = -score; /* Flip score for winning side */
8561 if( score > adjudicateLossThreshold ) {
8568 if( count >= adjudicateLossPlies ) {
8569 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8571 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8572 "Xboard adjudication",
8579 if(Adjudicate(cps)) {
8580 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8581 return; // [HGM] adjudicate: for all automatic game ends
8585 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8587 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8588 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8590 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8592 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8594 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8595 char buf[3*MSG_SIZ];
8597 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8598 programStats.score / 100.,
8600 programStats.time / 100.,
8601 (unsigned int)programStats.nodes,
8602 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8603 programStats.movelist);
8605 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8610 /* [AS] Clear stats for next move */
8611 ClearProgramStats();
8612 thinkOutput[0] = NULLCHAR;
8613 hiddenThinkOutputState = 0;
8616 if (gameMode == TwoMachinesPlay) {
8617 /* [HGM] relaying draw offers moved to after reception of move */
8618 /* and interpreting offer as claim if it brings draw condition */
8619 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8620 SendToProgram("draw\n", cps->other);
8622 if (cps->other->sendTime) {
8623 SendTimeRemaining(cps->other,
8624 cps->other->twoMachinesColor[0] == 'w');
8626 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8627 if (firstMove && !bookHit) {
8629 if (cps->other->useColors) {
8630 SendToProgram(cps->other->twoMachinesColor, cps->other);
8632 SendToProgram("go\n", cps->other);
8634 cps->other->maybeThinking = TRUE;
8637 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8639 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8641 if (!pausing && appData.ringBellAfterMoves) {
8642 if(!roar) RingBell();
8646 * Reenable menu items that were disabled while
8647 * machine was thinking
8649 if (gameMode != TwoMachinesPlay)
8650 SetUserThinkingEnables();
8652 // [HGM] book: after book hit opponent has received move and is now in force mode
8653 // force the book reply into it, and then fake that it outputted this move by jumping
8654 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8656 static char bookMove[MSG_SIZ]; // a bit generous?
8658 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8659 strcat(bookMove, bookHit);
8662 programStats.nodes = programStats.depth = programStats.time =
8663 programStats.score = programStats.got_only_move = 0;
8664 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8666 if(cps->lastPing != cps->lastPong) {
8667 savedMessage = message; // args for deferred call
8669 ScheduleDelayedEvent(DeferredBookMove, 10);
8678 /* Set special modes for chess engines. Later something general
8679 * could be added here; for now there is just one kludge feature,
8680 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8681 * when "xboard" is given as an interactive command.
8683 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8684 cps->useSigint = FALSE;
8685 cps->useSigterm = FALSE;
8687 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8688 ParseFeatures(message+8, cps);
8689 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8692 if (!strncmp(message, "setup ", 6) &&
8693 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8694 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8695 ) { // [HGM] allow first engine to define opening position
8696 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8697 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8699 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8700 if(startedFromSetupPosition) return;
8701 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8703 while(message[s] && message[s++] != ' ');
8704 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8705 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8706 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8707 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8708 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8709 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8712 ParseFEN(boards[0], &dummy, message+s, FALSE);
8713 DrawPosition(TRUE, boards[0]);
8714 startedFromSetupPosition = TRUE;
8717 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8718 * want this, I was asked to put it in, and obliged.
8720 if (!strncmp(message, "setboard ", 9)) {
8721 Board initial_position;
8723 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8725 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8726 DisplayError(_("Bad FEN received from engine"), 0);
8730 CopyBoard(boards[0], initial_position);
8731 initialRulePlies = FENrulePlies;
8732 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8733 else gameMode = MachinePlaysBlack;
8734 DrawPosition(FALSE, boards[currentMove]);
8740 * Look for communication commands
8742 if (!strncmp(message, "telluser ", 9)) {
8743 if(message[9] == '\\' && message[10] == '\\')
8744 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8746 DisplayNote(message + 9);
8749 if (!strncmp(message, "tellusererror ", 14)) {
8751 if(message[14] == '\\' && message[15] == '\\')
8752 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8754 DisplayError(message + 14, 0);
8757 if (!strncmp(message, "tellopponent ", 13)) {
8758 if (appData.icsActive) {
8760 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8764 DisplayNote(message + 13);
8768 if (!strncmp(message, "tellothers ", 11)) {
8769 if (appData.icsActive) {
8771 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8774 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8777 if (!strncmp(message, "tellall ", 8)) {
8778 if (appData.icsActive) {
8780 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8784 DisplayNote(message + 8);
8788 if (strncmp(message, "warning", 7) == 0) {
8789 /* Undocumented feature, use tellusererror in new code */
8790 DisplayError(message, 0);
8793 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8794 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8795 strcat(realname, " query");
8796 AskQuestion(realname, buf2, buf1, cps->pr);
8799 /* Commands from the engine directly to ICS. We don't allow these to be
8800 * sent until we are logged on. Crafty kibitzes have been known to
8801 * interfere with the login process.
8804 if (!strncmp(message, "tellics ", 8)) {
8805 SendToICS(message + 8);
8809 if (!strncmp(message, "tellicsnoalias ", 15)) {
8810 SendToICS(ics_prefix);
8811 SendToICS(message + 15);
8815 /* The following are for backward compatibility only */
8816 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8817 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8818 SendToICS(ics_prefix);
8824 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8825 if(initPing == cps->lastPong) {
8826 if(gameInfo.variant == VariantUnknown) {
8827 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
8828 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
8829 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8835 if(!strncmp(message, "highlight ", 10)) {
8836 if(appData.testLegality && appData.markers) return;
8837 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8840 if(!strncmp(message, "click ", 6)) {
8841 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8842 if(appData.testLegality || !appData.oneClick) return;
8843 sscanf(message+6, "%c%d%c", &f, &y, &c);
8844 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8845 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8846 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8847 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8848 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8849 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8850 LeftClick(Release, lastLeftX, lastLeftY);
8851 controlKey = (c == ',');
8852 LeftClick(Press, x, y);
8853 LeftClick(Release, x, y);
8854 first.highlight = f;
8858 * If the move is illegal, cancel it and redraw the board.
8859 * Also deal with other error cases. Matching is rather loose
8860 * here to accommodate engines written before the spec.
8862 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8863 strncmp(message, "Error", 5) == 0) {
8864 if (StrStr(message, "name") ||
8865 StrStr(message, "rating") || StrStr(message, "?") ||
8866 StrStr(message, "result") || StrStr(message, "board") ||
8867 StrStr(message, "bk") || StrStr(message, "computer") ||
8868 StrStr(message, "variant") || StrStr(message, "hint") ||
8869 StrStr(message, "random") || StrStr(message, "depth") ||
8870 StrStr(message, "accepted")) {
8873 if (StrStr(message, "protover")) {
8874 /* Program is responding to input, so it's apparently done
8875 initializing, and this error message indicates it is
8876 protocol version 1. So we don't need to wait any longer
8877 for it to initialize and send feature commands. */
8878 FeatureDone(cps, 1);
8879 cps->protocolVersion = 1;
8882 cps->maybeThinking = FALSE;
8884 if (StrStr(message, "draw")) {
8885 /* Program doesn't have "draw" command */
8886 cps->sendDrawOffers = 0;
8889 if (cps->sendTime != 1 &&
8890 (StrStr(message, "time") || StrStr(message, "otim"))) {
8891 /* Program apparently doesn't have "time" or "otim" command */
8895 if (StrStr(message, "analyze")) {
8896 cps->analysisSupport = FALSE;
8897 cps->analyzing = FALSE;
8898 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8899 EditGameEvent(); // [HGM] try to preserve loaded game
8900 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8901 DisplayError(buf2, 0);
8904 if (StrStr(message, "(no matching move)st")) {
8905 /* Special kludge for GNU Chess 4 only */
8906 cps->stKludge = TRUE;
8907 SendTimeControl(cps, movesPerSession, timeControl,
8908 timeIncrement, appData.searchDepth,
8912 if (StrStr(message, "(no matching move)sd")) {
8913 /* Special kludge for GNU Chess 4 only */
8914 cps->sdKludge = TRUE;
8915 SendTimeControl(cps, movesPerSession, timeControl,
8916 timeIncrement, appData.searchDepth,
8920 if (!StrStr(message, "llegal")) {
8923 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8924 gameMode == IcsIdle) return;
8925 if (forwardMostMove <= backwardMostMove) return;
8926 if (pausing) PauseEvent();
8927 if(appData.forceIllegal) {
8928 // [HGM] illegal: machine refused move; force position after move into it
8929 SendToProgram("force\n", cps);
8930 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8931 // we have a real problem now, as SendBoard will use the a2a3 kludge
8932 // when black is to move, while there might be nothing on a2 or black
8933 // might already have the move. So send the board as if white has the move.
8934 // But first we must change the stm of the engine, as it refused the last move
8935 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8936 if(WhiteOnMove(forwardMostMove)) {
8937 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8938 SendBoard(cps, forwardMostMove); // kludgeless board
8940 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8941 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8942 SendBoard(cps, forwardMostMove+1); // kludgeless board
8944 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8945 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8946 gameMode == TwoMachinesPlay)
8947 SendToProgram("go\n", cps);
8950 if (gameMode == PlayFromGameFile) {
8951 /* Stop reading this game file */
8952 gameMode = EditGame;
8955 /* [HGM] illegal-move claim should forfeit game when Xboard */
8956 /* only passes fully legal moves */
8957 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8958 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8959 "False illegal-move claim", GE_XBOARD );
8960 return; // do not take back move we tested as valid
8962 currentMove = forwardMostMove-1;
8963 DisplayMove(currentMove-1); /* before DisplayMoveError */
8964 SwitchClocks(forwardMostMove-1); // [HGM] race
8965 DisplayBothClocks();
8966 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8967 parseList[currentMove], _(cps->which));
8968 DisplayMoveError(buf1);
8969 DrawPosition(FALSE, boards[currentMove]);
8971 SetUserThinkingEnables();
8974 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8975 /* Program has a broken "time" command that
8976 outputs a string not ending in newline.
8982 * If chess program startup fails, exit with an error message.
8983 * Attempts to recover here are futile. [HGM] Well, we try anyway
8985 if ((StrStr(message, "unknown host") != NULL)
8986 || (StrStr(message, "No remote directory") != NULL)
8987 || (StrStr(message, "not found") != NULL)
8988 || (StrStr(message, "No such file") != NULL)
8989 || (StrStr(message, "can't alloc") != NULL)
8990 || (StrStr(message, "Permission denied") != NULL)) {
8992 cps->maybeThinking = FALSE;
8993 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8994 _(cps->which), cps->program, cps->host, message);
8995 RemoveInputSource(cps->isr);
8996 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8997 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8998 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9004 * Look for hint output
9006 if (sscanf(message, "Hint: %s", buf1) == 1) {
9007 if (cps == &first && hintRequested) {
9008 hintRequested = FALSE;
9009 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9010 &fromX, &fromY, &toX, &toY, &promoChar)) {
9011 (void) CoordsToAlgebraic(boards[forwardMostMove],
9012 PosFlags(forwardMostMove),
9013 fromY, fromX, toY, toX, promoChar, buf1);
9014 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9015 DisplayInformation(buf2);
9017 /* Hint move could not be parsed!? */
9018 snprintf(buf2, sizeof(buf2),
9019 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9020 buf1, _(cps->which));
9021 DisplayError(buf2, 0);
9024 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9030 * Ignore other messages if game is not in progress
9032 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9033 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9036 * look for win, lose, draw, or draw offer
9038 if (strncmp(message, "1-0", 3) == 0) {
9039 char *p, *q, *r = "";
9040 p = strchr(message, '{');
9048 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9050 } else if (strncmp(message, "0-1", 3) == 0) {
9051 char *p, *q, *r = "";
9052 p = strchr(message, '{');
9060 /* Kludge for Arasan 4.1 bug */
9061 if (strcmp(r, "Black resigns") == 0) {
9062 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9065 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9067 } else if (strncmp(message, "1/2", 3) == 0) {
9068 char *p, *q, *r = "";
9069 p = strchr(message, '{');
9078 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9081 } else if (strncmp(message, "White resign", 12) == 0) {
9082 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9084 } else if (strncmp(message, "Black resign", 12) == 0) {
9085 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9087 } else if (strncmp(message, "White matches", 13) == 0 ||
9088 strncmp(message, "Black matches", 13) == 0 ) {
9089 /* [HGM] ignore GNUShogi noises */
9091 } else if (strncmp(message, "White", 5) == 0 &&
9092 message[5] != '(' &&
9093 StrStr(message, "Black") == NULL) {
9094 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9096 } else if (strncmp(message, "Black", 5) == 0 &&
9097 message[5] != '(') {
9098 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9100 } else if (strcmp(message, "resign") == 0 ||
9101 strcmp(message, "computer resigns") == 0) {
9103 case MachinePlaysBlack:
9104 case IcsPlayingBlack:
9105 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9107 case MachinePlaysWhite:
9108 case IcsPlayingWhite:
9109 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9111 case TwoMachinesPlay:
9112 if (cps->twoMachinesColor[0] == 'w')
9113 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9115 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9122 } else if (strncmp(message, "opponent mates", 14) == 0) {
9124 case MachinePlaysBlack:
9125 case IcsPlayingBlack:
9126 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9128 case MachinePlaysWhite:
9129 case IcsPlayingWhite:
9130 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9132 case TwoMachinesPlay:
9133 if (cps->twoMachinesColor[0] == 'w')
9134 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9136 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9143 } else if (strncmp(message, "computer mates", 14) == 0) {
9145 case MachinePlaysBlack:
9146 case IcsPlayingBlack:
9147 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9149 case MachinePlaysWhite:
9150 case IcsPlayingWhite:
9151 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9153 case TwoMachinesPlay:
9154 if (cps->twoMachinesColor[0] == 'w')
9155 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9157 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9164 } else if (strncmp(message, "checkmate", 9) == 0) {
9165 if (WhiteOnMove(forwardMostMove)) {
9166 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9168 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9171 } else if (strstr(message, "Draw") != NULL ||
9172 strstr(message, "game is a draw") != NULL) {
9173 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9175 } else if (strstr(message, "offer") != NULL &&
9176 strstr(message, "draw") != NULL) {
9178 if (appData.zippyPlay && first.initDone) {
9179 /* Relay offer to ICS */
9180 SendToICS(ics_prefix);
9181 SendToICS("draw\n");
9184 cps->offeredDraw = 2; /* valid until this engine moves twice */
9185 if (gameMode == TwoMachinesPlay) {
9186 if (cps->other->offeredDraw) {
9187 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9188 /* [HGM] in two-machine mode we delay relaying draw offer */
9189 /* until after we also have move, to see if it is really claim */
9191 } else if (gameMode == MachinePlaysWhite ||
9192 gameMode == MachinePlaysBlack) {
9193 if (userOfferedDraw) {
9194 DisplayInformation(_("Machine accepts your draw offer"));
9195 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9197 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9204 * Look for thinking output
9206 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9207 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9209 int plylev, mvleft, mvtot, curscore, time;
9210 char mvname[MOVE_LEN];
9214 int prefixHint = FALSE;
9215 mvname[0] = NULLCHAR;
9218 case MachinePlaysBlack:
9219 case IcsPlayingBlack:
9220 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9222 case MachinePlaysWhite:
9223 case IcsPlayingWhite:
9224 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9229 case IcsObserving: /* [DM] icsEngineAnalyze */
9230 if (!appData.icsEngineAnalyze) ignore = TRUE;
9232 case TwoMachinesPlay:
9233 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9243 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9245 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9246 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9248 if (plyext != ' ' && plyext != '\t') {
9252 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9253 if( cps->scoreIsAbsolute &&
9254 ( gameMode == MachinePlaysBlack ||
9255 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9256 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9257 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9258 !WhiteOnMove(currentMove)
9261 curscore = -curscore;
9264 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9266 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9269 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9270 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9271 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9272 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9273 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9274 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9278 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9279 DisplayError(_("failed writing PV"), 0);
9282 tempStats.depth = plylev;
9283 tempStats.nodes = nodes;
9284 tempStats.time = time;
9285 tempStats.score = curscore;
9286 tempStats.got_only_move = 0;
9288 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9291 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9292 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9293 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9294 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9295 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9296 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9297 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9298 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9301 /* Buffer overflow protection */
9302 if (pv[0] != NULLCHAR) {
9303 if (strlen(pv) >= sizeof(tempStats.movelist)
9304 && appData.debugMode) {
9306 "PV is too long; using the first %u bytes.\n",
9307 (unsigned) sizeof(tempStats.movelist) - 1);
9310 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9312 sprintf(tempStats.movelist, " no PV\n");
9315 if (tempStats.seen_stat) {
9316 tempStats.ok_to_send = 1;
9319 if (strchr(tempStats.movelist, '(') != NULL) {
9320 tempStats.line_is_book = 1;
9321 tempStats.nr_moves = 0;
9322 tempStats.moves_left = 0;
9324 tempStats.line_is_book = 0;
9327 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9328 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9330 SendProgramStatsToFrontend( cps, &tempStats );
9333 [AS] Protect the thinkOutput buffer from overflow... this
9334 is only useful if buf1 hasn't overflowed first!
9336 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9338 (gameMode == TwoMachinesPlay ?
9339 ToUpper(cps->twoMachinesColor[0]) : ' '),
9340 ((double) curscore) / 100.0,
9341 prefixHint ? lastHint : "",
9342 prefixHint ? " " : "" );
9344 if( buf1[0] != NULLCHAR ) {
9345 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9347 if( strlen(pv) > max_len ) {
9348 if( appData.debugMode) {
9349 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9351 pv[max_len+1] = '\0';
9354 strcat( thinkOutput, pv);
9357 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9358 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9359 DisplayMove(currentMove - 1);
9363 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9364 /* crafty (9.25+) says "(only move) <move>"
9365 * if there is only 1 legal move
9367 sscanf(p, "(only move) %s", buf1);
9368 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9369 sprintf(programStats.movelist, "%s (only move)", buf1);
9370 programStats.depth = 1;
9371 programStats.nr_moves = 1;
9372 programStats.moves_left = 1;
9373 programStats.nodes = 1;
9374 programStats.time = 1;
9375 programStats.got_only_move = 1;
9377 /* Not really, but we also use this member to
9378 mean "line isn't going to change" (Crafty
9379 isn't searching, so stats won't change) */
9380 programStats.line_is_book = 1;
9382 SendProgramStatsToFrontend( cps, &programStats );
9384 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9385 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9386 DisplayMove(currentMove - 1);
9389 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9390 &time, &nodes, &plylev, &mvleft,
9391 &mvtot, mvname) >= 5) {
9392 /* The stat01: line is from Crafty (9.29+) in response
9393 to the "." command */
9394 programStats.seen_stat = 1;
9395 cps->maybeThinking = TRUE;
9397 if (programStats.got_only_move || !appData.periodicUpdates)
9400 programStats.depth = plylev;
9401 programStats.time = time;
9402 programStats.nodes = nodes;
9403 programStats.moves_left = mvleft;
9404 programStats.nr_moves = mvtot;
9405 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9406 programStats.ok_to_send = 1;
9407 programStats.movelist[0] = '\0';
9409 SendProgramStatsToFrontend( cps, &programStats );
9413 } else if (strncmp(message,"++",2) == 0) {
9414 /* Crafty 9.29+ outputs this */
9415 programStats.got_fail = 2;
9418 } else if (strncmp(message,"--",2) == 0) {
9419 /* Crafty 9.29+ outputs this */
9420 programStats.got_fail = 1;
9423 } else if (thinkOutput[0] != NULLCHAR &&
9424 strncmp(message, " ", 4) == 0) {
9425 unsigned message_len;
9428 while (*p && *p == ' ') p++;
9430 message_len = strlen( p );
9432 /* [AS] Avoid buffer overflow */
9433 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9434 strcat(thinkOutput, " ");
9435 strcat(thinkOutput, p);
9438 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9439 strcat(programStats.movelist, " ");
9440 strcat(programStats.movelist, p);
9443 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9444 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9445 DisplayMove(currentMove - 1);
9453 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9454 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9456 ChessProgramStats cpstats;
9458 if (plyext != ' ' && plyext != '\t') {
9462 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9463 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9464 curscore = -curscore;
9467 cpstats.depth = plylev;
9468 cpstats.nodes = nodes;
9469 cpstats.time = time;
9470 cpstats.score = curscore;
9471 cpstats.got_only_move = 0;
9472 cpstats.movelist[0] = '\0';
9474 if (buf1[0] != NULLCHAR) {
9475 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9478 cpstats.ok_to_send = 0;
9479 cpstats.line_is_book = 0;
9480 cpstats.nr_moves = 0;
9481 cpstats.moves_left = 0;
9483 SendProgramStatsToFrontend( cps, &cpstats );
9490 /* Parse a game score from the character string "game", and
9491 record it as the history of the current game. The game
9492 score is NOT assumed to start from the standard position.
9493 The display is not updated in any way.
9496 ParseGameHistory (char *game)
9499 int fromX, fromY, toX, toY, boardIndex;
9504 if (appData.debugMode)
9505 fprintf(debugFP, "Parsing game history: %s\n", game);
9507 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9508 gameInfo.site = StrSave(appData.icsHost);
9509 gameInfo.date = PGNDate();
9510 gameInfo.round = StrSave("-");
9512 /* Parse out names of players */
9513 while (*game == ' ') game++;
9515 while (*game != ' ') *p++ = *game++;
9517 gameInfo.white = StrSave(buf);
9518 while (*game == ' ') game++;
9520 while (*game != ' ' && *game != '\n') *p++ = *game++;
9522 gameInfo.black = StrSave(buf);
9525 boardIndex = blackPlaysFirst ? 1 : 0;
9528 yyboardindex = boardIndex;
9529 moveType = (ChessMove) Myylex();
9531 case IllegalMove: /* maybe suicide chess, etc. */
9532 if (appData.debugMode) {
9533 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9534 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9535 setbuf(debugFP, NULL);
9537 case WhitePromotion:
9538 case BlackPromotion:
9539 case WhiteNonPromotion:
9540 case BlackNonPromotion:
9543 case WhiteCapturesEnPassant:
9544 case BlackCapturesEnPassant:
9545 case WhiteKingSideCastle:
9546 case WhiteQueenSideCastle:
9547 case BlackKingSideCastle:
9548 case BlackQueenSideCastle:
9549 case WhiteKingSideCastleWild:
9550 case WhiteQueenSideCastleWild:
9551 case BlackKingSideCastleWild:
9552 case BlackQueenSideCastleWild:
9554 case WhiteHSideCastleFR:
9555 case WhiteASideCastleFR:
9556 case BlackHSideCastleFR:
9557 case BlackASideCastleFR:
9559 fromX = currentMoveString[0] - AAA;
9560 fromY = currentMoveString[1] - ONE;
9561 toX = currentMoveString[2] - AAA;
9562 toY = currentMoveString[3] - ONE;
9563 promoChar = currentMoveString[4];
9567 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9568 fromX = moveType == WhiteDrop ?
9569 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9570 (int) CharToPiece(ToLower(currentMoveString[0]));
9572 toX = currentMoveString[2] - AAA;
9573 toY = currentMoveString[3] - ONE;
9574 promoChar = NULLCHAR;
9578 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9579 if (appData.debugMode) {
9580 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9581 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9582 setbuf(debugFP, NULL);
9584 DisplayError(buf, 0);
9586 case ImpossibleMove:
9588 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9589 if (appData.debugMode) {
9590 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9591 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9592 setbuf(debugFP, NULL);
9594 DisplayError(buf, 0);
9597 if (boardIndex < backwardMostMove) {
9598 /* Oops, gap. How did that happen? */
9599 DisplayError(_("Gap in move list"), 0);
9602 backwardMostMove = blackPlaysFirst ? 1 : 0;
9603 if (boardIndex > forwardMostMove) {
9604 forwardMostMove = boardIndex;
9608 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9609 strcat(parseList[boardIndex-1], " ");
9610 strcat(parseList[boardIndex-1], yy_text);
9622 case GameUnfinished:
9623 if (gameMode == IcsExamining) {
9624 if (boardIndex < backwardMostMove) {
9625 /* Oops, gap. How did that happen? */
9628 backwardMostMove = blackPlaysFirst ? 1 : 0;
9631 gameInfo.result = moveType;
9632 p = strchr(yy_text, '{');
9633 if (p == NULL) p = strchr(yy_text, '(');
9636 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9638 q = strchr(p, *p == '{' ? '}' : ')');
9639 if (q != NULL) *q = NULLCHAR;
9642 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9643 gameInfo.resultDetails = StrSave(p);
9646 if (boardIndex >= forwardMostMove &&
9647 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9648 backwardMostMove = blackPlaysFirst ? 1 : 0;
9651 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9652 fromY, fromX, toY, toX, promoChar,
9653 parseList[boardIndex]);
9654 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9655 /* currentMoveString is set as a side-effect of yylex */
9656 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9657 strcat(moveList[boardIndex], "\n");
9659 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9660 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9666 if(gameInfo.variant != VariantShogi)
9667 strcat(parseList[boardIndex - 1], "+");
9671 strcat(parseList[boardIndex - 1], "#");
9678 /* Apply a move to the given board */
9680 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9682 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9683 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9685 /* [HGM] compute & store e.p. status and castling rights for new position */
9686 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9688 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9689 oldEP = (signed char)board[EP_STATUS];
9690 board[EP_STATUS] = EP_NONE;
9692 if (fromY == DROP_RANK) {
9694 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9695 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9698 piece = board[toY][toX] = (ChessSquare) fromX;
9703 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9704 victim = board[killY][killX],
9705 board[killY][killX] = EmptySquare,
9706 board[EP_STATUS] = EP_CAPTURE;
9708 if( board[toY][toX] != EmptySquare ) {
9709 board[EP_STATUS] = EP_CAPTURE;
9710 if( (fromX != toX || fromY != toY) && // not igui!
9711 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9712 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9713 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9717 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9718 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9719 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9721 if( board[fromY][fromX] == WhitePawn ) {
9722 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9723 board[EP_STATUS] = EP_PAWN_MOVE;
9725 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9726 gameInfo.variant != VariantBerolina || toX < fromX)
9727 board[EP_STATUS] = toX | berolina;
9728 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9729 gameInfo.variant != VariantBerolina || toX > fromX)
9730 board[EP_STATUS] = toX;
9733 if( board[fromY][fromX] == BlackPawn ) {
9734 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9735 board[EP_STATUS] = EP_PAWN_MOVE;
9736 if( toY-fromY== -2) {
9737 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9738 gameInfo.variant != VariantBerolina || toX < fromX)
9739 board[EP_STATUS] = toX | berolina;
9740 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9741 gameInfo.variant != VariantBerolina || toX > fromX)
9742 board[EP_STATUS] = toX;
9746 for(i=0; i<nrCastlingRights; i++) {
9747 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9748 board[CASTLING][i] == toX && castlingRank[i] == toY
9749 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9752 if(gameInfo.variant == VariantSChess) { // update virginity
9753 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9754 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9755 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9756 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9759 if (fromX == toX && fromY == toY) return;
9761 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9762 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9763 if(gameInfo.variant == VariantKnightmate)
9764 king += (int) WhiteUnicorn - (int) WhiteKing;
9766 /* Code added by Tord: */
9767 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9768 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9769 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9770 board[fromY][fromX] = EmptySquare;
9771 board[toY][toX] = EmptySquare;
9772 if((toX > fromX) != (piece == WhiteRook)) {
9773 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9775 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9777 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9778 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9779 board[fromY][fromX] = EmptySquare;
9780 board[toY][toX] = EmptySquare;
9781 if((toX > fromX) != (piece == BlackRook)) {
9782 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9784 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9786 /* End of code added by Tord */
9788 } else if (board[fromY][fromX] == king
9789 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9790 && toY == fromY && toX > fromX+1) {
9791 board[fromY][fromX] = EmptySquare;
9792 board[toY][toX] = king;
9793 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9794 board[fromY][BOARD_RGHT-1] = EmptySquare;
9795 } else if (board[fromY][fromX] == king
9796 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9797 && toY == fromY && toX < fromX-1) {
9798 board[fromY][fromX] = EmptySquare;
9799 board[toY][toX] = king;
9800 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9801 board[fromY][BOARD_LEFT] = EmptySquare;
9802 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9803 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9804 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9806 /* white pawn promotion */
9807 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9808 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9809 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9810 board[fromY][fromX] = EmptySquare;
9811 } else if ((fromY >= BOARD_HEIGHT>>1)
9812 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9814 && gameInfo.variant != VariantXiangqi
9815 && gameInfo.variant != VariantBerolina
9816 && (board[fromY][fromX] == WhitePawn)
9817 && (board[toY][toX] == EmptySquare)) {
9818 board[fromY][fromX] = EmptySquare;
9819 board[toY][toX] = WhitePawn;
9820 captured = board[toY - 1][toX];
9821 board[toY - 1][toX] = EmptySquare;
9822 } else if ((fromY == BOARD_HEIGHT-4)
9824 && gameInfo.variant == VariantBerolina
9825 && (board[fromY][fromX] == WhitePawn)
9826 && (board[toY][toX] == EmptySquare)) {
9827 board[fromY][fromX] = EmptySquare;
9828 board[toY][toX] = WhitePawn;
9829 if(oldEP & EP_BEROLIN_A) {
9830 captured = board[fromY][fromX-1];
9831 board[fromY][fromX-1] = EmptySquare;
9832 }else{ captured = board[fromY][fromX+1];
9833 board[fromY][fromX+1] = EmptySquare;
9835 } else if (board[fromY][fromX] == king
9836 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9837 && toY == fromY && toX > fromX+1) {
9838 board[fromY][fromX] = EmptySquare;
9839 board[toY][toX] = king;
9840 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9841 board[fromY][BOARD_RGHT-1] = EmptySquare;
9842 } else if (board[fromY][fromX] == king
9843 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9844 && toY == fromY && toX < fromX-1) {
9845 board[fromY][fromX] = EmptySquare;
9846 board[toY][toX] = king;
9847 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9848 board[fromY][BOARD_LEFT] = EmptySquare;
9849 } else if (fromY == 7 && fromX == 3
9850 && board[fromY][fromX] == BlackKing
9851 && toY == 7 && toX == 5) {
9852 board[fromY][fromX] = EmptySquare;
9853 board[toY][toX] = BlackKing;
9854 board[fromY][7] = EmptySquare;
9855 board[toY][4] = BlackRook;
9856 } else if (fromY == 7 && fromX == 3
9857 && board[fromY][fromX] == BlackKing
9858 && toY == 7 && toX == 1) {
9859 board[fromY][fromX] = EmptySquare;
9860 board[toY][toX] = BlackKing;
9861 board[fromY][0] = EmptySquare;
9862 board[toY][2] = BlackRook;
9863 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9864 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9865 && toY < promoRank && promoChar
9867 /* black pawn promotion */
9868 board[toY][toX] = CharToPiece(ToLower(promoChar));
9869 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9870 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9871 board[fromY][fromX] = EmptySquare;
9872 } else if ((fromY < BOARD_HEIGHT>>1)
9873 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9875 && gameInfo.variant != VariantXiangqi
9876 && gameInfo.variant != VariantBerolina
9877 && (board[fromY][fromX] == BlackPawn)
9878 && (board[toY][toX] == EmptySquare)) {
9879 board[fromY][fromX] = EmptySquare;
9880 board[toY][toX] = BlackPawn;
9881 captured = board[toY + 1][toX];
9882 board[toY + 1][toX] = EmptySquare;
9883 } else if ((fromY == 3)
9885 && gameInfo.variant == VariantBerolina
9886 && (board[fromY][fromX] == BlackPawn)
9887 && (board[toY][toX] == EmptySquare)) {
9888 board[fromY][fromX] = EmptySquare;
9889 board[toY][toX] = BlackPawn;
9890 if(oldEP & EP_BEROLIN_A) {
9891 captured = board[fromY][fromX-1];
9892 board[fromY][fromX-1] = EmptySquare;
9893 }else{ captured = board[fromY][fromX+1];
9894 board[fromY][fromX+1] = EmptySquare;
9897 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
9898 board[fromY][fromX] = EmptySquare;
9899 board[toY][toX] = piece;
9903 if (gameInfo.holdingsWidth != 0) {
9905 /* !!A lot more code needs to be written to support holdings */
9906 /* [HGM] OK, so I have written it. Holdings are stored in the */
9907 /* penultimate board files, so they are automaticlly stored */
9908 /* in the game history. */
9909 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9910 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9911 /* Delete from holdings, by decreasing count */
9912 /* and erasing image if necessary */
9913 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9914 if(p < (int) BlackPawn) { /* white drop */
9915 p -= (int)WhitePawn;
9916 p = PieceToNumber((ChessSquare)p);
9917 if(p >= gameInfo.holdingsSize) p = 0;
9918 if(--board[p][BOARD_WIDTH-2] <= 0)
9919 board[p][BOARD_WIDTH-1] = EmptySquare;
9920 if((int)board[p][BOARD_WIDTH-2] < 0)
9921 board[p][BOARD_WIDTH-2] = 0;
9922 } else { /* black drop */
9923 p -= (int)BlackPawn;
9924 p = PieceToNumber((ChessSquare)p);
9925 if(p >= gameInfo.holdingsSize) p = 0;
9926 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9927 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9928 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9929 board[BOARD_HEIGHT-1-p][1] = 0;
9932 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9933 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9934 /* [HGM] holdings: Add to holdings, if holdings exist */
9935 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9936 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9937 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9940 if (p >= (int) BlackPawn) {
9941 p -= (int)BlackPawn;
9942 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9943 /* in Shogi restore piece to its original first */
9944 captured = (ChessSquare) (DEMOTED captured);
9947 p = PieceToNumber((ChessSquare)p);
9948 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9949 board[p][BOARD_WIDTH-2]++;
9950 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9952 p -= (int)WhitePawn;
9953 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9954 captured = (ChessSquare) (DEMOTED captured);
9957 p = PieceToNumber((ChessSquare)p);
9958 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9959 board[BOARD_HEIGHT-1-p][1]++;
9960 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9963 } else if (gameInfo.variant == VariantAtomic) {
9964 if (captured != EmptySquare) {
9966 for (y = toY-1; y <= toY+1; y++) {
9967 for (x = toX-1; x <= toX+1; x++) {
9968 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9969 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9970 board[y][x] = EmptySquare;
9974 board[toY][toX] = EmptySquare;
9977 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9978 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9980 if(promoChar == '+') {
9981 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9982 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
9983 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
9984 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
9985 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9986 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9987 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9988 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9989 board[toY][toX] = newPiece;
9991 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9992 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9993 // [HGM] superchess: take promotion piece out of holdings
9994 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9995 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9996 if(!--board[k][BOARD_WIDTH-2])
9997 board[k][BOARD_WIDTH-1] = EmptySquare;
9999 if(!--board[BOARD_HEIGHT-1-k][1])
10000 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10005 /* Updates forwardMostMove */
10007 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10009 int x = toX, y = toY;
10010 char *s = parseList[forwardMostMove];
10011 ChessSquare p = boards[forwardMostMove][toY][toX];
10012 // forwardMostMove++; // [HGM] bare: moved downstream
10014 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10015 (void) CoordsToAlgebraic(boards[forwardMostMove],
10016 PosFlags(forwardMostMove),
10017 fromY, fromX, y, x, promoChar,
10019 if(killX >= 0 && killY >= 0)
10020 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10022 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10023 int timeLeft; static int lastLoadFlag=0; int king, piece;
10024 piece = boards[forwardMostMove][fromY][fromX];
10025 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10026 if(gameInfo.variant == VariantKnightmate)
10027 king += (int) WhiteUnicorn - (int) WhiteKing;
10028 if(forwardMostMove == 0) {
10029 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10030 fprintf(serverMoves, "%s;", UserName());
10031 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10032 fprintf(serverMoves, "%s;", second.tidy);
10033 fprintf(serverMoves, "%s;", first.tidy);
10034 if(gameMode == MachinePlaysWhite)
10035 fprintf(serverMoves, "%s;", UserName());
10036 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10037 fprintf(serverMoves, "%s;", second.tidy);
10038 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10039 lastLoadFlag = loadFlag;
10041 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10042 // print castling suffix
10043 if( toY == fromY && piece == king ) {
10045 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10047 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10050 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10051 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10052 boards[forwardMostMove][toY][toX] == EmptySquare
10053 && fromX != toX && fromY != toY)
10054 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10055 // promotion suffix
10056 if(promoChar != NULLCHAR) {
10057 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10058 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10059 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10060 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10063 char buf[MOVE_LEN*2], *p; int len;
10064 fprintf(serverMoves, "/%d/%d",
10065 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10066 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10067 else timeLeft = blackTimeRemaining/1000;
10068 fprintf(serverMoves, "/%d", timeLeft);
10069 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10070 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10071 if(p = strchr(buf, '=')) *p = NULLCHAR;
10072 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10073 fprintf(serverMoves, "/%s", buf);
10075 fflush(serverMoves);
10078 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10079 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10082 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10083 if (commentList[forwardMostMove+1] != NULL) {
10084 free(commentList[forwardMostMove+1]);
10085 commentList[forwardMostMove+1] = NULL;
10087 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10088 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10089 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10090 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10091 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10092 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10093 adjustedClock = FALSE;
10094 gameInfo.result = GameUnfinished;
10095 if (gameInfo.resultDetails != NULL) {
10096 free(gameInfo.resultDetails);
10097 gameInfo.resultDetails = NULL;
10099 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10100 moveList[forwardMostMove - 1]);
10101 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10107 if(gameInfo.variant != VariantShogi)
10108 strcat(parseList[forwardMostMove - 1], "+");
10112 strcat(parseList[forwardMostMove - 1], "#");
10117 /* Updates currentMove if not pausing */
10119 ShowMove (int fromX, int fromY, int toX, int toY)
10121 int instant = (gameMode == PlayFromGameFile) ?
10122 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10123 if(appData.noGUI) return;
10124 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10126 if (forwardMostMove == currentMove + 1) {
10127 AnimateMove(boards[forwardMostMove - 1],
10128 fromX, fromY, toX, toY);
10131 currentMove = forwardMostMove;
10134 killX = killY = -1; // [HGM] lion: used up
10136 if (instant) return;
10138 DisplayMove(currentMove - 1);
10139 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10140 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10141 SetHighlights(fromX, fromY, toX, toY);
10144 DrawPosition(FALSE, boards[currentMove]);
10145 DisplayBothClocks();
10146 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10150 SendEgtPath (ChessProgramState *cps)
10151 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10152 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10154 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10157 char c, *q = name+1, *r, *s;
10159 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10160 while(*p && *p != ',') *q++ = *p++;
10161 *q++ = ':'; *q = 0;
10162 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10163 strcmp(name, ",nalimov:") == 0 ) {
10164 // take nalimov path from the menu-changeable option first, if it is defined
10165 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10166 SendToProgram(buf,cps); // send egtbpath command for nalimov
10168 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10169 (s = StrStr(appData.egtFormats, name)) != NULL) {
10170 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10171 s = r = StrStr(s, ":") + 1; // beginning of path info
10172 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10173 c = *r; *r = 0; // temporarily null-terminate path info
10174 *--q = 0; // strip of trailig ':' from name
10175 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10177 SendToProgram(buf,cps); // send egtbpath command for this format
10179 if(*p == ',') p++; // read away comma to position for next format name
10184 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10186 int width = 8, height = 8, holdings = 0; // most common sizes
10187 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10188 // correct the deviations default for each variant
10189 if( v == VariantXiangqi ) width = 9, height = 10;
10190 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10191 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10192 if( v == VariantCapablanca || v == VariantCapaRandom ||
10193 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10195 if( v == VariantCourier ) width = 12;
10196 if( v == VariantSuper ) holdings = 8;
10197 if( v == VariantGreat ) width = 10, holdings = 8;
10198 if( v == VariantSChess ) holdings = 7;
10199 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10200 if( v == VariantChuChess) width = 10, height = 10;
10201 if( v == VariantChu ) width = 12, height = 12;
10202 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10203 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10204 holdingsSize >= 0 && holdingsSize != holdings;
10207 char variantError[MSG_SIZ];
10210 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10211 { // returns error message (recognizable by upper-case) if engine does not support the variant
10212 char *p, *variant = VariantName(v);
10213 static char b[MSG_SIZ];
10214 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10215 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10216 holdingsSize, variant); // cook up sized variant name
10217 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10218 if(StrStr(list, b) == NULL) {
10219 // specific sized variant not known, check if general sizing allowed
10220 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10221 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10222 boardWidth, boardHeight, holdingsSize, engine);
10225 /* [HGM] here we really should compare with the maximum supported board size */
10227 } else snprintf(b, MSG_SIZ,"%s", variant);
10228 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10229 p = StrStr(list, b);
10230 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10232 // occurs not at all in list, or only as sub-string
10233 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10234 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10235 int l = strlen(variantError);
10237 while(p != list && p[-1] != ',') p--;
10238 q = strchr(p, ',');
10239 if(q) *q = NULLCHAR;
10240 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10249 InitChessProgram (ChessProgramState *cps, int setup)
10250 /* setup needed to setup FRC opening position */
10252 char buf[MSG_SIZ], *b;
10253 if (appData.noChessProgram) return;
10254 hintRequested = FALSE;
10255 bookRequested = FALSE;
10257 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10258 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10259 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10260 if(cps->memSize) { /* [HGM] memory */
10261 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10262 SendToProgram(buf, cps);
10264 SendEgtPath(cps); /* [HGM] EGT */
10265 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10266 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10267 SendToProgram(buf, cps);
10270 SendToProgram(cps->initString, cps);
10271 if (gameInfo.variant != VariantNormal &&
10272 gameInfo.variant != VariantLoadable
10273 /* [HGM] also send variant if board size non-standard */
10274 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10276 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10277 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10279 DisplayFatalError(variantError, 0, 1);
10283 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10284 SendToProgram(buf, cps);
10286 currentlyInitializedVariant = gameInfo.variant;
10288 /* [HGM] send opening position in FRC to first engine */
10290 SendToProgram("force\n", cps);
10292 /* engine is now in force mode! Set flag to wake it up after first move. */
10293 setboardSpoiledMachineBlack = 1;
10296 if (cps->sendICS) {
10297 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10298 SendToProgram(buf, cps);
10300 cps->maybeThinking = FALSE;
10301 cps->offeredDraw = 0;
10302 if (!appData.icsActive) {
10303 SendTimeControl(cps, movesPerSession, timeControl,
10304 timeIncrement, appData.searchDepth,
10307 if (appData.showThinking
10308 // [HGM] thinking: four options require thinking output to be sent
10309 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10311 SendToProgram("post\n", cps);
10313 SendToProgram("hard\n", cps);
10314 if (!appData.ponderNextMove) {
10315 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10316 it without being sure what state we are in first. "hard"
10317 is not a toggle, so that one is OK.
10319 SendToProgram("easy\n", cps);
10321 if (cps->usePing) {
10322 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10323 SendToProgram(buf, cps);
10325 cps->initDone = TRUE;
10326 ClearEngineOutputPane(cps == &second);
10331 ResendOptions (ChessProgramState *cps)
10332 { // send the stored value of the options
10335 Option *opt = cps->option;
10336 for(i=0; i<cps->nrOptions; i++, opt++) {
10337 switch(opt->type) {
10341 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10344 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10347 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10353 SendToProgram(buf, cps);
10358 StartChessProgram (ChessProgramState *cps)
10363 if (appData.noChessProgram) return;
10364 cps->initDone = FALSE;
10366 if (strcmp(cps->host, "localhost") == 0) {
10367 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10368 } else if (*appData.remoteShell == NULLCHAR) {
10369 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10371 if (*appData.remoteUser == NULLCHAR) {
10372 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10375 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10376 cps->host, appData.remoteUser, cps->program);
10378 err = StartChildProcess(buf, "", &cps->pr);
10382 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10383 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10384 if(cps != &first) return;
10385 appData.noChessProgram = TRUE;
10388 // DisplayFatalError(buf, err, 1);
10389 // cps->pr = NoProc;
10390 // cps->isr = NULL;
10394 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10395 if (cps->protocolVersion > 1) {
10396 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10397 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10398 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10399 cps->comboCnt = 0; // and values of combo boxes
10401 SendToProgram(buf, cps);
10402 if(cps->reload) ResendOptions(cps);
10404 SendToProgram("xboard\n", cps);
10409 TwoMachinesEventIfReady P((void))
10411 static int curMess = 0;
10412 if (first.lastPing != first.lastPong) {
10413 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10414 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10417 if (second.lastPing != second.lastPong) {
10418 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10419 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10422 DisplayMessage("", ""); curMess = 0;
10423 TwoMachinesEvent();
10427 MakeName (char *template)
10431 static char buf[MSG_SIZ];
10435 clock = time((time_t *)NULL);
10436 tm = localtime(&clock);
10438 while(*p++ = *template++) if(p[-1] == '%') {
10439 switch(*template++) {
10440 case 0: *p = 0; return buf;
10441 case 'Y': i = tm->tm_year+1900; break;
10442 case 'y': i = tm->tm_year-100; break;
10443 case 'M': i = tm->tm_mon+1; break;
10444 case 'd': i = tm->tm_mday; break;
10445 case 'h': i = tm->tm_hour; break;
10446 case 'm': i = tm->tm_min; break;
10447 case 's': i = tm->tm_sec; break;
10450 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10456 CountPlayers (char *p)
10459 while(p = strchr(p, '\n')) p++, n++; // count participants
10464 WriteTourneyFile (char *results, FILE *f)
10465 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10466 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10467 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10468 // create a file with tournament description
10469 fprintf(f, "-participants {%s}\n", appData.participants);
10470 fprintf(f, "-seedBase %d\n", appData.seedBase);
10471 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10472 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10473 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10474 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10475 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10476 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10477 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10478 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10479 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10480 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10481 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10482 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10483 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10484 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10485 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10486 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10487 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10488 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10489 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10490 fprintf(f, "-smpCores %d\n", appData.smpCores);
10492 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10494 fprintf(f, "-mps %d\n", appData.movesPerSession);
10495 fprintf(f, "-tc %s\n", appData.timeControl);
10496 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10498 fprintf(f, "-results \"%s\"\n", results);
10503 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10506 Substitute (char *participants, int expunge)
10508 int i, changed, changes=0, nPlayers=0;
10509 char *p, *q, *r, buf[MSG_SIZ];
10510 if(participants == NULL) return;
10511 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10512 r = p = participants; q = appData.participants;
10513 while(*p && *p == *q) {
10514 if(*p == '\n') r = p+1, nPlayers++;
10517 if(*p) { // difference
10518 while(*p && *p++ != '\n');
10519 while(*q && *q++ != '\n');
10520 changed = nPlayers;
10521 changes = 1 + (strcmp(p, q) != 0);
10523 if(changes == 1) { // a single engine mnemonic was changed
10524 q = r; while(*q) nPlayers += (*q++ == '\n');
10525 p = buf; while(*r && (*p = *r++) != '\n') p++;
10527 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10528 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10529 if(mnemonic[i]) { // The substitute is valid
10531 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10532 flock(fileno(f), LOCK_EX);
10533 ParseArgsFromFile(f);
10534 fseek(f, 0, SEEK_SET);
10535 FREE(appData.participants); appData.participants = participants;
10536 if(expunge) { // erase results of replaced engine
10537 int len = strlen(appData.results), w, b, dummy;
10538 for(i=0; i<len; i++) {
10539 Pairing(i, nPlayers, &w, &b, &dummy);
10540 if((w == changed || b == changed) && appData.results[i] == '*') {
10541 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10546 for(i=0; i<len; i++) {
10547 Pairing(i, nPlayers, &w, &b, &dummy);
10548 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10551 WriteTourneyFile(appData.results, f);
10552 fclose(f); // release lock
10555 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10557 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10558 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10559 free(participants);
10564 CheckPlayers (char *participants)
10567 char buf[MSG_SIZ], *p;
10568 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10569 while(p = strchr(participants, '\n')) {
10571 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10573 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10575 DisplayError(buf, 0);
10579 participants = p + 1;
10585 CreateTourney (char *name)
10588 if(matchMode && strcmp(name, appData.tourneyFile)) {
10589 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10591 if(name[0] == NULLCHAR) {
10592 if(appData.participants[0])
10593 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10596 f = fopen(name, "r");
10597 if(f) { // file exists
10598 ASSIGN(appData.tourneyFile, name);
10599 ParseArgsFromFile(f); // parse it
10601 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10602 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10603 DisplayError(_("Not enough participants"), 0);
10606 if(CheckPlayers(appData.participants)) return 0;
10607 ASSIGN(appData.tourneyFile, name);
10608 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10609 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10612 appData.noChessProgram = FALSE;
10613 appData.clockMode = TRUE;
10619 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10621 char buf[MSG_SIZ], *p, *q;
10622 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10623 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10624 skip = !all && group[0]; // if group requested, we start in skip mode
10625 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10626 p = names; q = buf; header = 0;
10627 while(*p && *p != '\n') *q++ = *p++;
10629 if(*p == '\n') p++;
10630 if(buf[0] == '#') {
10631 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10632 depth++; // we must be entering a new group
10633 if(all) continue; // suppress printing group headers when complete list requested
10635 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10637 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10638 if(engineList[i]) free(engineList[i]);
10639 engineList[i] = strdup(buf);
10640 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10641 if(engineMnemonic[i]) free(engineMnemonic[i]);
10642 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10644 sscanf(q + 8, "%s", buf + strlen(buf));
10647 engineMnemonic[i] = strdup(buf);
10650 engineList[i] = engineMnemonic[i] = NULL;
10654 // following implemented as macro to avoid type limitations
10655 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10658 SwapEngines (int n)
10659 { // swap settings for first engine and other engine (so far only some selected options)
10664 SWAP(chessProgram, p)
10666 SWAP(hasOwnBookUCI, h)
10667 SWAP(protocolVersion, h)
10669 SWAP(scoreIsAbsolute, h)
10674 SWAP(engOptions, p)
10675 SWAP(engInitString, p)
10676 SWAP(computerString, p)
10678 SWAP(fenOverride, p)
10680 SWAP(accumulateTC, h)
10685 GetEngineLine (char *s, int n)
10689 extern char *icsNames;
10690 if(!s || !*s) return 0;
10691 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10692 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10693 if(!mnemonic[i]) return 0;
10694 if(n == 11) return 1; // just testing if there was a match
10695 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10696 if(n == 1) SwapEngines(n);
10697 ParseArgsFromString(buf);
10698 if(n == 1) SwapEngines(n);
10699 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10700 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10701 ParseArgsFromString(buf);
10707 SetPlayer (int player, char *p)
10708 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10710 char buf[MSG_SIZ], *engineName;
10711 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10712 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10713 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10715 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10716 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10717 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10718 ParseArgsFromString(buf);
10719 } else { // no engine with this nickname is installed!
10720 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10721 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10722 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10724 DisplayError(buf, 0);
10731 char *recentEngines;
10734 RecentEngineEvent (int nr)
10737 // SwapEngines(1); // bump first to second
10738 // ReplaceEngine(&second, 1); // and load it there
10739 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10740 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10741 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10742 ReplaceEngine(&first, 0);
10743 FloatToFront(&appData.recentEngineList, command[n]);
10748 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10749 { // determine players from game number
10750 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10752 if(appData.tourneyType == 0) {
10753 roundsPerCycle = (nPlayers - 1) | 1;
10754 pairingsPerRound = nPlayers / 2;
10755 } else if(appData.tourneyType > 0) {
10756 roundsPerCycle = nPlayers - appData.tourneyType;
10757 pairingsPerRound = appData.tourneyType;
10759 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10760 gamesPerCycle = gamesPerRound * roundsPerCycle;
10761 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10762 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10763 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10764 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10765 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10766 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10768 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10769 if(appData.roundSync) *syncInterval = gamesPerRound;
10771 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10773 if(appData.tourneyType == 0) {
10774 if(curPairing == (nPlayers-1)/2 ) {
10775 *whitePlayer = curRound;
10776 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10778 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10779 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10780 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10781 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10783 } else if(appData.tourneyType > 1) {
10784 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10785 *whitePlayer = curRound + appData.tourneyType;
10786 } else if(appData.tourneyType > 0) {
10787 *whitePlayer = curPairing;
10788 *blackPlayer = curRound + appData.tourneyType;
10791 // take care of white/black alternation per round.
10792 // For cycles and games this is already taken care of by default, derived from matchGame!
10793 return curRound & 1;
10797 NextTourneyGame (int nr, int *swapColors)
10798 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10800 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10802 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10803 tf = fopen(appData.tourneyFile, "r");
10804 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10805 ParseArgsFromFile(tf); fclose(tf);
10806 InitTimeControls(); // TC might be altered from tourney file
10808 nPlayers = CountPlayers(appData.participants); // count participants
10809 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10810 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10813 p = q = appData.results;
10814 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10815 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10816 DisplayMessage(_("Waiting for other game(s)"),"");
10817 waitingForGame = TRUE;
10818 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10821 waitingForGame = FALSE;
10824 if(appData.tourneyType < 0) {
10825 if(nr>=0 && !pairingReceived) {
10827 if(pairing.pr == NoProc) {
10828 if(!appData.pairingEngine[0]) {
10829 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10832 StartChessProgram(&pairing); // starts the pairing engine
10834 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10835 SendToProgram(buf, &pairing);
10836 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10837 SendToProgram(buf, &pairing);
10838 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10840 pairingReceived = 0; // ... so we continue here
10842 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10843 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10844 matchGame = 1; roundNr = nr / syncInterval + 1;
10847 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10849 // redefine engines, engine dir, etc.
10850 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10851 if(first.pr == NoProc) {
10852 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10853 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10855 if(second.pr == NoProc) {
10857 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10858 SwapEngines(1); // and make that valid for second engine by swapping
10859 InitEngine(&second, 1);
10861 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10862 UpdateLogos(FALSE); // leave display to ModeHiglight()
10868 { // performs game initialization that does not invoke engines, and then tries to start the game
10869 int res, firstWhite, swapColors = 0;
10870 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10871 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
10873 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10874 if(strcmp(buf, currentDebugFile)) { // name has changed
10875 FILE *f = fopen(buf, "w");
10876 if(f) { // if opening the new file failed, just keep using the old one
10877 ASSIGN(currentDebugFile, buf);
10881 if(appData.serverFileName) {
10882 if(serverFP) fclose(serverFP);
10883 serverFP = fopen(appData.serverFileName, "w");
10884 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10885 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10889 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10890 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10891 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10892 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10893 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10894 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10895 Reset(FALSE, first.pr != NoProc);
10896 res = LoadGameOrPosition(matchGame); // setup game
10897 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10898 if(!res) return; // abort when bad game/pos file
10899 TwoMachinesEvent();
10903 UserAdjudicationEvent (int result)
10905 ChessMove gameResult = GameIsDrawn;
10908 gameResult = WhiteWins;
10910 else if( result < 0 ) {
10911 gameResult = BlackWins;
10914 if( gameMode == TwoMachinesPlay ) {
10915 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10920 // [HGM] save: calculate checksum of game to make games easily identifiable
10922 StringCheckSum (char *s)
10925 if(s==NULL) return 0;
10926 while(*s) i = i*259 + *s++;
10934 for(i=backwardMostMove; i<forwardMostMove; i++) {
10935 sum += pvInfoList[i].depth;
10936 sum += StringCheckSum(parseList[i]);
10937 sum += StringCheckSum(commentList[i]);
10940 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10941 return sum + StringCheckSum(commentList[i]);
10942 } // end of save patch
10945 GameEnds (ChessMove result, char *resultDetails, int whosays)
10947 GameMode nextGameMode;
10949 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10951 if(endingGame) return; /* [HGM] crash: forbid recursion */
10953 if(twoBoards) { // [HGM] dual: switch back to one board
10954 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10955 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10957 if (appData.debugMode) {
10958 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10959 result, resultDetails ? resultDetails : "(null)", whosays);
10962 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
10964 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10966 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10967 /* If we are playing on ICS, the server decides when the
10968 game is over, but the engine can offer to draw, claim
10972 if (appData.zippyPlay && first.initDone) {
10973 if (result == GameIsDrawn) {
10974 /* In case draw still needs to be claimed */
10975 SendToICS(ics_prefix);
10976 SendToICS("draw\n");
10977 } else if (StrCaseStr(resultDetails, "resign")) {
10978 SendToICS(ics_prefix);
10979 SendToICS("resign\n");
10983 endingGame = 0; /* [HGM] crash */
10987 /* If we're loading the game from a file, stop */
10988 if (whosays == GE_FILE) {
10989 (void) StopLoadGameTimer();
10993 /* Cancel draw offers */
10994 first.offeredDraw = second.offeredDraw = 0;
10996 /* If this is an ICS game, only ICS can really say it's done;
10997 if not, anyone can. */
10998 isIcsGame = (gameMode == IcsPlayingWhite ||
10999 gameMode == IcsPlayingBlack ||
11000 gameMode == IcsObserving ||
11001 gameMode == IcsExamining);
11003 if (!isIcsGame || whosays == GE_ICS) {
11004 /* OK -- not an ICS game, or ICS said it was done */
11006 if (!isIcsGame && !appData.noChessProgram)
11007 SetUserThinkingEnables();
11009 /* [HGM] if a machine claims the game end we verify this claim */
11010 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11011 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11013 ChessMove trueResult = (ChessMove) -1;
11015 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11016 first.twoMachinesColor[0] :
11017 second.twoMachinesColor[0] ;
11019 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11020 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11021 /* [HGM] verify: engine mate claims accepted if they were flagged */
11022 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11024 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11025 /* [HGM] verify: engine mate claims accepted if they were flagged */
11026 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11028 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11029 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11032 // now verify win claims, but not in drop games, as we don't understand those yet
11033 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11034 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11035 (result == WhiteWins && claimer == 'w' ||
11036 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11037 if (appData.debugMode) {
11038 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11039 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11041 if(result != trueResult) {
11042 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11043 result = claimer == 'w' ? BlackWins : WhiteWins;
11044 resultDetails = buf;
11047 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11048 && (forwardMostMove <= backwardMostMove ||
11049 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11050 (claimer=='b')==(forwardMostMove&1))
11052 /* [HGM] verify: draws that were not flagged are false claims */
11053 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11054 result = claimer == 'w' ? BlackWins : WhiteWins;
11055 resultDetails = buf;
11057 /* (Claiming a loss is accepted no questions asked!) */
11058 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11059 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11060 result = GameUnfinished;
11061 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11063 /* [HGM] bare: don't allow bare King to win */
11064 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11065 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11066 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11067 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11068 && result != GameIsDrawn)
11069 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11070 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11071 int p = (signed char)boards[forwardMostMove][i][j] - color;
11072 if(p >= 0 && p <= (int)WhiteKing) k++;
11074 if (appData.debugMode) {
11075 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11076 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11079 result = GameIsDrawn;
11080 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11081 resultDetails = buf;
11087 if(serverMoves != NULL && !loadFlag) { char c = '=';
11088 if(result==WhiteWins) c = '+';
11089 if(result==BlackWins) c = '-';
11090 if(resultDetails != NULL)
11091 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11093 if (resultDetails != NULL) {
11094 gameInfo.result = result;
11095 gameInfo.resultDetails = StrSave(resultDetails);
11097 /* display last move only if game was not loaded from file */
11098 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11099 DisplayMove(currentMove - 1);
11101 if (forwardMostMove != 0) {
11102 if (gameMode != PlayFromGameFile && gameMode != EditGame
11103 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11105 if (*appData.saveGameFile != NULLCHAR) {
11106 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11107 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11109 SaveGameToFile(appData.saveGameFile, TRUE);
11110 } else if (appData.autoSaveGames) {
11111 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11113 if (*appData.savePositionFile != NULLCHAR) {
11114 SavePositionToFile(appData.savePositionFile);
11116 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11120 /* Tell program how game ended in case it is learning */
11121 /* [HGM] Moved this to after saving the PGN, just in case */
11122 /* engine died and we got here through time loss. In that */
11123 /* case we will get a fatal error writing the pipe, which */
11124 /* would otherwise lose us the PGN. */
11125 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11126 /* output during GameEnds should never be fatal anymore */
11127 if (gameMode == MachinePlaysWhite ||
11128 gameMode == MachinePlaysBlack ||
11129 gameMode == TwoMachinesPlay ||
11130 gameMode == IcsPlayingWhite ||
11131 gameMode == IcsPlayingBlack ||
11132 gameMode == BeginningOfGame) {
11134 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11136 if (first.pr != NoProc) {
11137 SendToProgram(buf, &first);
11139 if (second.pr != NoProc &&
11140 gameMode == TwoMachinesPlay) {
11141 SendToProgram(buf, &second);
11146 if (appData.icsActive) {
11147 if (appData.quietPlay &&
11148 (gameMode == IcsPlayingWhite ||
11149 gameMode == IcsPlayingBlack)) {
11150 SendToICS(ics_prefix);
11151 SendToICS("set shout 1\n");
11153 nextGameMode = IcsIdle;
11154 ics_user_moved = FALSE;
11155 /* clean up premove. It's ugly when the game has ended and the
11156 * premove highlights are still on the board.
11159 gotPremove = FALSE;
11160 ClearPremoveHighlights();
11161 DrawPosition(FALSE, boards[currentMove]);
11163 if (whosays == GE_ICS) {
11166 if (gameMode == IcsPlayingWhite)
11168 else if(gameMode == IcsPlayingBlack)
11169 PlayIcsLossSound();
11172 if (gameMode == IcsPlayingBlack)
11174 else if(gameMode == IcsPlayingWhite)
11175 PlayIcsLossSound();
11178 PlayIcsDrawSound();
11181 PlayIcsUnfinishedSound();
11184 if(appData.quitNext) { ExitEvent(0); return; }
11185 } else if (gameMode == EditGame ||
11186 gameMode == PlayFromGameFile ||
11187 gameMode == AnalyzeMode ||
11188 gameMode == AnalyzeFile) {
11189 nextGameMode = gameMode;
11191 nextGameMode = EndOfGame;
11196 nextGameMode = gameMode;
11199 if (appData.noChessProgram) {
11200 gameMode = nextGameMode;
11202 endingGame = 0; /* [HGM] crash */
11207 /* Put first chess program into idle state */
11208 if (first.pr != NoProc &&
11209 (gameMode == MachinePlaysWhite ||
11210 gameMode == MachinePlaysBlack ||
11211 gameMode == TwoMachinesPlay ||
11212 gameMode == IcsPlayingWhite ||
11213 gameMode == IcsPlayingBlack ||
11214 gameMode == BeginningOfGame)) {
11215 SendToProgram("force\n", &first);
11216 if (first.usePing) {
11218 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11219 SendToProgram(buf, &first);
11222 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11223 /* Kill off first chess program */
11224 if (first.isr != NULL)
11225 RemoveInputSource(first.isr);
11228 if (first.pr != NoProc) {
11230 DoSleep( appData.delayBeforeQuit );
11231 SendToProgram("quit\n", &first);
11232 DoSleep( appData.delayAfterQuit );
11233 DestroyChildProcess(first.pr, first.useSigterm);
11234 first.reload = TRUE;
11238 if (second.reuse) {
11239 /* Put second chess program into idle state */
11240 if (second.pr != NoProc &&
11241 gameMode == TwoMachinesPlay) {
11242 SendToProgram("force\n", &second);
11243 if (second.usePing) {
11245 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11246 SendToProgram(buf, &second);
11249 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11250 /* Kill off second chess program */
11251 if (second.isr != NULL)
11252 RemoveInputSource(second.isr);
11255 if (second.pr != NoProc) {
11256 DoSleep( appData.delayBeforeQuit );
11257 SendToProgram("quit\n", &second);
11258 DoSleep( appData.delayAfterQuit );
11259 DestroyChildProcess(second.pr, second.useSigterm);
11260 second.reload = TRUE;
11262 second.pr = NoProc;
11265 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11266 char resChar = '=';
11270 if (first.twoMachinesColor[0] == 'w') {
11273 second.matchWins++;
11278 if (first.twoMachinesColor[0] == 'b') {
11281 second.matchWins++;
11284 case GameUnfinished:
11290 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11291 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11292 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11293 ReserveGame(nextGame, resChar); // sets nextGame
11294 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11295 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11296 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11298 if (nextGame <= appData.matchGames && !abortMatch) {
11299 gameMode = nextGameMode;
11300 matchGame = nextGame; // this will be overruled in tourney mode!
11301 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11302 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11303 endingGame = 0; /* [HGM] crash */
11306 gameMode = nextGameMode;
11307 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11308 first.tidy, second.tidy,
11309 first.matchWins, second.matchWins,
11310 appData.matchGames - (first.matchWins + second.matchWins));
11311 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11312 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11313 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11314 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11315 first.twoMachinesColor = "black\n";
11316 second.twoMachinesColor = "white\n";
11318 first.twoMachinesColor = "white\n";
11319 second.twoMachinesColor = "black\n";
11323 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11324 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11326 gameMode = nextGameMode;
11328 endingGame = 0; /* [HGM] crash */
11329 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11330 if(matchMode == TRUE) { // match through command line: exit with or without popup
11332 ToNrEvent(forwardMostMove);
11333 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11335 } else DisplayFatalError(buf, 0, 0);
11336 } else { // match through menu; just stop, with or without popup
11337 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11340 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11341 } else DisplayNote(buf);
11343 if(ranking) free(ranking);
11347 /* Assumes program was just initialized (initString sent).
11348 Leaves program in force mode. */
11350 FeedMovesToProgram (ChessProgramState *cps, int upto)
11354 if (appData.debugMode)
11355 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11356 startedFromSetupPosition ? "position and " : "",
11357 backwardMostMove, upto, cps->which);
11358 if(currentlyInitializedVariant != gameInfo.variant) {
11360 // [HGM] variantswitch: make engine aware of new variant
11361 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11362 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11363 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11364 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11365 SendToProgram(buf, cps);
11366 currentlyInitializedVariant = gameInfo.variant;
11368 SendToProgram("force\n", cps);
11369 if (startedFromSetupPosition) {
11370 SendBoard(cps, backwardMostMove);
11371 if (appData.debugMode) {
11372 fprintf(debugFP, "feedMoves\n");
11375 for (i = backwardMostMove; i < upto; i++) {
11376 SendMoveToProgram(i, cps);
11382 ResurrectChessProgram ()
11384 /* The chess program may have exited.
11385 If so, restart it and feed it all the moves made so far. */
11386 static int doInit = 0;
11388 if (appData.noChessProgram) return 1;
11390 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11391 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11392 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11393 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11395 if (first.pr != NoProc) return 1;
11396 StartChessProgram(&first);
11398 InitChessProgram(&first, FALSE);
11399 FeedMovesToProgram(&first, currentMove);
11401 if (!first.sendTime) {
11402 /* can't tell gnuchess what its clock should read,
11403 so we bow to its notion. */
11405 timeRemaining[0][currentMove] = whiteTimeRemaining;
11406 timeRemaining[1][currentMove] = blackTimeRemaining;
11409 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11410 appData.icsEngineAnalyze) && first.analysisSupport) {
11411 SendToProgram("analyze\n", &first);
11412 first.analyzing = TRUE;
11418 * Button procedures
11421 Reset (int redraw, int init)
11425 if (appData.debugMode) {
11426 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11427 redraw, init, gameMode);
11429 CleanupTail(); // [HGM] vari: delete any stored variations
11430 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11431 pausing = pauseExamInvalid = FALSE;
11432 startedFromSetupPosition = blackPlaysFirst = FALSE;
11434 whiteFlag = blackFlag = FALSE;
11435 userOfferedDraw = FALSE;
11436 hintRequested = bookRequested = FALSE;
11437 first.maybeThinking = FALSE;
11438 second.maybeThinking = FALSE;
11439 first.bookSuspend = FALSE; // [HGM] book
11440 second.bookSuspend = FALSE;
11441 thinkOutput[0] = NULLCHAR;
11442 lastHint[0] = NULLCHAR;
11443 ClearGameInfo(&gameInfo);
11444 gameInfo.variant = StringToVariant(appData.variant);
11445 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11446 ics_user_moved = ics_clock_paused = FALSE;
11447 ics_getting_history = H_FALSE;
11449 white_holding[0] = black_holding[0] = NULLCHAR;
11450 ClearProgramStats();
11451 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11455 flipView = appData.flipView;
11456 ClearPremoveHighlights();
11457 gotPremove = FALSE;
11458 alarmSounded = FALSE;
11459 killX = killY = -1; // [HGM] lion
11461 GameEnds(EndOfFile, NULL, GE_PLAYER);
11462 if(appData.serverMovesName != NULL) {
11463 /* [HGM] prepare to make moves file for broadcasting */
11464 clock_t t = clock();
11465 if(serverMoves != NULL) fclose(serverMoves);
11466 serverMoves = fopen(appData.serverMovesName, "r");
11467 if(serverMoves != NULL) {
11468 fclose(serverMoves);
11469 /* delay 15 sec before overwriting, so all clients can see end */
11470 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11472 serverMoves = fopen(appData.serverMovesName, "w");
11476 gameMode = BeginningOfGame;
11478 if(appData.icsActive) gameInfo.variant = VariantNormal;
11479 currentMove = forwardMostMove = backwardMostMove = 0;
11480 MarkTargetSquares(1);
11481 InitPosition(redraw);
11482 for (i = 0; i < MAX_MOVES; i++) {
11483 if (commentList[i] != NULL) {
11484 free(commentList[i]);
11485 commentList[i] = NULL;
11489 timeRemaining[0][0] = whiteTimeRemaining;
11490 timeRemaining[1][0] = blackTimeRemaining;
11492 if (first.pr == NoProc) {
11493 StartChessProgram(&first);
11496 InitChessProgram(&first, startedFromSetupPosition);
11499 DisplayMessage("", "");
11500 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11501 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11502 ClearMap(); // [HGM] exclude: invalidate map
11506 AutoPlayGameLoop ()
11509 if (!AutoPlayOneMove())
11511 if (matchMode || appData.timeDelay == 0)
11513 if (appData.timeDelay < 0)
11515 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11523 ReloadGame(1); // next game
11529 int fromX, fromY, toX, toY;
11531 if (appData.debugMode) {
11532 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11535 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11538 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11539 pvInfoList[currentMove].depth = programStats.depth;
11540 pvInfoList[currentMove].score = programStats.score;
11541 pvInfoList[currentMove].time = 0;
11542 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11543 else { // append analysis of final position as comment
11545 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11546 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11548 programStats.depth = 0;
11551 if (currentMove >= forwardMostMove) {
11552 if(gameMode == AnalyzeFile) {
11553 if(appData.loadGameIndex == -1) {
11554 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11555 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11557 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11560 // gameMode = EndOfGame;
11561 // ModeHighlight();
11563 /* [AS] Clear current move marker at the end of a game */
11564 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11569 toX = moveList[currentMove][2] - AAA;
11570 toY = moveList[currentMove][3] - ONE;
11572 if (moveList[currentMove][1] == '@') {
11573 if (appData.highlightLastMove) {
11574 SetHighlights(-1, -1, toX, toY);
11577 fromX = moveList[currentMove][0] - AAA;
11578 fromY = moveList[currentMove][1] - ONE;
11580 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11582 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11584 if (appData.highlightLastMove) {
11585 SetHighlights(fromX, fromY, toX, toY);
11588 DisplayMove(currentMove);
11589 SendMoveToProgram(currentMove++, &first);
11590 DisplayBothClocks();
11591 DrawPosition(FALSE, boards[currentMove]);
11592 // [HGM] PV info: always display, routine tests if empty
11593 DisplayComment(currentMove - 1, commentList[currentMove]);
11599 LoadGameOneMove (ChessMove readAhead)
11601 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11602 char promoChar = NULLCHAR;
11603 ChessMove moveType;
11604 char move[MSG_SIZ];
11607 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11608 gameMode != AnalyzeMode && gameMode != Training) {
11613 yyboardindex = forwardMostMove;
11614 if (readAhead != EndOfFile) {
11615 moveType = readAhead;
11617 if (gameFileFP == NULL)
11619 moveType = (ChessMove) Myylex();
11623 switch (moveType) {
11625 if (appData.debugMode)
11626 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11629 /* append the comment but don't display it */
11630 AppendComment(currentMove, p, FALSE);
11633 case WhiteCapturesEnPassant:
11634 case BlackCapturesEnPassant:
11635 case WhitePromotion:
11636 case BlackPromotion:
11637 case WhiteNonPromotion:
11638 case BlackNonPromotion:
11641 case WhiteKingSideCastle:
11642 case WhiteQueenSideCastle:
11643 case BlackKingSideCastle:
11644 case BlackQueenSideCastle:
11645 case WhiteKingSideCastleWild:
11646 case WhiteQueenSideCastleWild:
11647 case BlackKingSideCastleWild:
11648 case BlackQueenSideCastleWild:
11650 case WhiteHSideCastleFR:
11651 case WhiteASideCastleFR:
11652 case BlackHSideCastleFR:
11653 case BlackASideCastleFR:
11655 if (appData.debugMode)
11656 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11657 fromX = currentMoveString[0] - AAA;
11658 fromY = currentMoveString[1] - ONE;
11659 toX = currentMoveString[2] - AAA;
11660 toY = currentMoveString[3] - ONE;
11661 promoChar = currentMoveString[4];
11662 if(promoChar == ';') promoChar = NULLCHAR;
11667 if (appData.debugMode)
11668 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11669 fromX = moveType == WhiteDrop ?
11670 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11671 (int) CharToPiece(ToLower(currentMoveString[0]));
11673 toX = currentMoveString[2] - AAA;
11674 toY = currentMoveString[3] - ONE;
11680 case GameUnfinished:
11681 if (appData.debugMode)
11682 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11683 p = strchr(yy_text, '{');
11684 if (p == NULL) p = strchr(yy_text, '(');
11687 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11689 q = strchr(p, *p == '{' ? '}' : ')');
11690 if (q != NULL) *q = NULLCHAR;
11693 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11694 GameEnds(moveType, p, GE_FILE);
11696 if (cmailMsgLoaded) {
11698 flipView = WhiteOnMove(currentMove);
11699 if (moveType == GameUnfinished) flipView = !flipView;
11700 if (appData.debugMode)
11701 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11706 if (appData.debugMode)
11707 fprintf(debugFP, "Parser hit end of file\n");
11708 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11714 if (WhiteOnMove(currentMove)) {
11715 GameEnds(BlackWins, "Black mates", GE_FILE);
11717 GameEnds(WhiteWins, "White mates", GE_FILE);
11721 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11727 case MoveNumberOne:
11728 if (lastLoadGameStart == GNUChessGame) {
11729 /* GNUChessGames have numbers, but they aren't move numbers */
11730 if (appData.debugMode)
11731 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11732 yy_text, (int) moveType);
11733 return LoadGameOneMove(EndOfFile); /* tail recursion */
11735 /* else fall thru */
11740 /* Reached start of next game in file */
11741 if (appData.debugMode)
11742 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11743 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11749 if (WhiteOnMove(currentMove)) {
11750 GameEnds(BlackWins, "Black mates", GE_FILE);
11752 GameEnds(WhiteWins, "White mates", GE_FILE);
11756 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11762 case PositionDiagram: /* should not happen; ignore */
11763 case ElapsedTime: /* ignore */
11764 case NAG: /* ignore */
11765 if (appData.debugMode)
11766 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11767 yy_text, (int) moveType);
11768 return LoadGameOneMove(EndOfFile); /* tail recursion */
11771 if (appData.testLegality) {
11772 if (appData.debugMode)
11773 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11774 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11775 (forwardMostMove / 2) + 1,
11776 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11777 DisplayError(move, 0);
11780 if (appData.debugMode)
11781 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11782 yy_text, currentMoveString);
11783 fromX = currentMoveString[0] - AAA;
11784 fromY = currentMoveString[1] - ONE;
11785 toX = currentMoveString[2] - AAA;
11786 toY = currentMoveString[3] - ONE;
11787 promoChar = currentMoveString[4];
11791 case AmbiguousMove:
11792 if (appData.debugMode)
11793 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11794 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11795 (forwardMostMove / 2) + 1,
11796 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11797 DisplayError(move, 0);
11802 case ImpossibleMove:
11803 if (appData.debugMode)
11804 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11805 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11806 (forwardMostMove / 2) + 1,
11807 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11808 DisplayError(move, 0);
11814 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11815 DrawPosition(FALSE, boards[currentMove]);
11816 DisplayBothClocks();
11817 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11818 DisplayComment(currentMove - 1, commentList[currentMove]);
11820 (void) StopLoadGameTimer();
11822 cmailOldMove = forwardMostMove;
11825 /* currentMoveString is set as a side-effect of yylex */
11827 thinkOutput[0] = NULLCHAR;
11828 MakeMove(fromX, fromY, toX, toY, promoChar);
11829 killX = killY = -1; // [HGM] lion: used up
11830 currentMove = forwardMostMove;
11835 /* Load the nth game from the given file */
11837 LoadGameFromFile (char *filename, int n, char *title, int useList)
11842 if (strcmp(filename, "-") == 0) {
11846 f = fopen(filename, "rb");
11848 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11849 DisplayError(buf, errno);
11853 if (fseek(f, 0, 0) == -1) {
11854 /* f is not seekable; probably a pipe */
11857 if (useList && n == 0) {
11858 int error = GameListBuild(f);
11860 DisplayError(_("Cannot build game list"), error);
11861 } else if (!ListEmpty(&gameList) &&
11862 ((ListGame *) gameList.tailPred)->number > 1) {
11863 GameListPopUp(f, title);
11870 return LoadGame(f, n, title, FALSE);
11875 MakeRegisteredMove ()
11877 int fromX, fromY, toX, toY;
11879 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11880 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11883 if (appData.debugMode)
11884 fprintf(debugFP, "Restoring %s for game %d\n",
11885 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11887 thinkOutput[0] = NULLCHAR;
11888 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11889 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11890 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11891 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11892 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11893 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11894 MakeMove(fromX, fromY, toX, toY, promoChar);
11895 ShowMove(fromX, fromY, toX, toY);
11897 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11904 if (WhiteOnMove(currentMove)) {
11905 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11907 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11912 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11919 if (WhiteOnMove(currentMove)) {
11920 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11922 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11927 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11938 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11940 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11944 if (gameNumber > nCmailGames) {
11945 DisplayError(_("No more games in this message"), 0);
11948 if (f == lastLoadGameFP) {
11949 int offset = gameNumber - lastLoadGameNumber;
11951 cmailMsg[0] = NULLCHAR;
11952 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11953 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11954 nCmailMovesRegistered--;
11956 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11957 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11958 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11961 if (! RegisterMove()) return FALSE;
11965 retVal = LoadGame(f, gameNumber, title, useList);
11967 /* Make move registered during previous look at this game, if any */
11968 MakeRegisteredMove();
11970 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11971 commentList[currentMove]
11972 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11973 DisplayComment(currentMove - 1, commentList[currentMove]);
11979 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11981 ReloadGame (int offset)
11983 int gameNumber = lastLoadGameNumber + offset;
11984 if (lastLoadGameFP == NULL) {
11985 DisplayError(_("No game has been loaded yet"), 0);
11988 if (gameNumber <= 0) {
11989 DisplayError(_("Can't back up any further"), 0);
11992 if (cmailMsgLoaded) {
11993 return CmailLoadGame(lastLoadGameFP, gameNumber,
11994 lastLoadGameTitle, lastLoadGameUseList);
11996 return LoadGame(lastLoadGameFP, gameNumber,
11997 lastLoadGameTitle, lastLoadGameUseList);
12001 int keys[EmptySquare+1];
12004 PositionMatches (Board b1, Board b2)
12007 switch(appData.searchMode) {
12008 case 1: return CompareWithRights(b1, b2);
12010 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12011 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12015 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12016 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12017 sum += keys[b1[r][f]] - keys[b2[r][f]];
12021 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12022 sum += keys[b1[r][f]] - keys[b2[r][f]];
12034 int pieceList[256], quickBoard[256];
12035 ChessSquare pieceType[256] = { EmptySquare };
12036 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12037 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12038 int soughtTotal, turn;
12039 Boolean epOK, flipSearch;
12042 unsigned char piece, to;
12045 #define DSIZE (250000)
12047 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12048 Move *moveDatabase = initialSpace;
12049 unsigned int movePtr, dataSize = DSIZE;
12052 MakePieceList (Board board, int *counts)
12054 int r, f, n=Q_PROMO, total=0;
12055 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12056 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12057 int sq = f + (r<<4);
12058 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12059 quickBoard[sq] = ++n;
12061 pieceType[n] = board[r][f];
12062 counts[board[r][f]]++;
12063 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12064 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12068 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12073 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12075 int sq = fromX + (fromY<<4);
12076 int piece = quickBoard[sq];
12077 quickBoard[sq] = 0;
12078 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12079 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12080 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12081 moveDatabase[movePtr++].piece = Q_WCASTL;
12082 quickBoard[sq] = piece;
12083 piece = quickBoard[from]; quickBoard[from] = 0;
12084 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12086 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12087 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12088 moveDatabase[movePtr++].piece = Q_BCASTL;
12089 quickBoard[sq] = piece;
12090 piece = quickBoard[from]; quickBoard[from] = 0;
12091 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12093 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12094 quickBoard[(fromY<<4)+toX] = 0;
12095 moveDatabase[movePtr].piece = Q_EP;
12096 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12097 moveDatabase[movePtr].to = sq;
12099 if(promoPiece != pieceType[piece]) {
12100 moveDatabase[movePtr++].piece = Q_PROMO;
12101 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12103 moveDatabase[movePtr].piece = piece;
12104 quickBoard[sq] = piece;
12109 PackGame (Board board)
12111 Move *newSpace = NULL;
12112 moveDatabase[movePtr].piece = 0; // terminate previous game
12113 if(movePtr > dataSize) {
12114 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12115 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12116 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12119 Move *p = moveDatabase, *q = newSpace;
12120 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12121 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12122 moveDatabase = newSpace;
12123 } else { // calloc failed, we must be out of memory. Too bad...
12124 dataSize = 0; // prevent calloc events for all subsequent games
12125 return 0; // and signal this one isn't cached
12129 MakePieceList(board, counts);
12134 QuickCompare (Board board, int *minCounts, int *maxCounts)
12135 { // compare according to search mode
12137 switch(appData.searchMode)
12139 case 1: // exact position match
12140 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12141 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12142 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12145 case 2: // can have extra material on empty squares
12146 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12147 if(board[r][f] == EmptySquare) continue;
12148 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12151 case 3: // material with exact Pawn structure
12152 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12153 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12154 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12155 } // fall through to material comparison
12156 case 4: // exact material
12157 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12159 case 6: // material range with given imbalance
12160 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12161 // fall through to range comparison
12162 case 5: // material range
12163 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12169 QuickScan (Board board, Move *move)
12170 { // reconstruct game,and compare all positions in it
12171 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12173 int piece = move->piece;
12174 int to = move->to, from = pieceList[piece];
12175 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12176 if(!piece) return -1;
12177 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12178 piece = (++move)->piece;
12179 from = pieceList[piece];
12180 counts[pieceType[piece]]--;
12181 pieceType[piece] = (ChessSquare) move->to;
12182 counts[move->to]++;
12183 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12184 counts[pieceType[quickBoard[to]]]--;
12185 quickBoard[to] = 0; total--;
12188 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12189 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12190 from = pieceList[piece]; // so this must be King
12191 quickBoard[from] = 0;
12192 pieceList[piece] = to;
12193 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12194 quickBoard[from] = 0; // rook
12195 quickBoard[to] = piece;
12196 to = move->to; piece = move->piece;
12200 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12201 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12202 quickBoard[from] = 0;
12204 quickBoard[to] = piece;
12205 pieceList[piece] = to;
12207 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12208 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12209 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12210 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12212 static int lastCounts[EmptySquare+1];
12214 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12215 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12216 } else stretch = 0;
12217 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12226 flipSearch = FALSE;
12227 CopyBoard(soughtBoard, boards[currentMove]);
12228 soughtTotal = MakePieceList(soughtBoard, maxSought);
12229 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12230 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12231 CopyBoard(reverseBoard, boards[currentMove]);
12232 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12233 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12234 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12235 reverseBoard[r][f] = piece;
12237 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12238 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12239 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12240 || (boards[currentMove][CASTLING][2] == NoRights ||
12241 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12242 && (boards[currentMove][CASTLING][5] == NoRights ||
12243 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12246 CopyBoard(flipBoard, soughtBoard);
12247 CopyBoard(rotateBoard, reverseBoard);
12248 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12249 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12250 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12253 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12254 if(appData.searchMode >= 5) {
12255 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12256 MakePieceList(soughtBoard, minSought);
12257 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12259 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12260 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12263 GameInfo dummyInfo;
12264 static int creatingBook;
12267 GameContainsPosition (FILE *f, ListGame *lg)
12269 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12270 int fromX, fromY, toX, toY;
12272 static int initDone=FALSE;
12274 // weed out games based on numerical tag comparison
12275 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12276 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12277 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12278 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12280 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12283 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12284 else CopyBoard(boards[scratch], initialPosition); // default start position
12287 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12288 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12291 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12292 fseek(f, lg->offset, 0);
12295 yyboardindex = scratch;
12296 quickFlag = plyNr+1;
12301 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12307 if(plyNr) return -1; // after we have seen moves, this is for new game
12310 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12311 case ImpossibleMove:
12312 case WhiteWins: // game ends here with these four
12315 case GameUnfinished:
12319 if(appData.testLegality) return -1;
12320 case WhiteCapturesEnPassant:
12321 case BlackCapturesEnPassant:
12322 case WhitePromotion:
12323 case BlackPromotion:
12324 case WhiteNonPromotion:
12325 case BlackNonPromotion:
12328 case WhiteKingSideCastle:
12329 case WhiteQueenSideCastle:
12330 case BlackKingSideCastle:
12331 case BlackQueenSideCastle:
12332 case WhiteKingSideCastleWild:
12333 case WhiteQueenSideCastleWild:
12334 case BlackKingSideCastleWild:
12335 case BlackQueenSideCastleWild:
12336 case WhiteHSideCastleFR:
12337 case WhiteASideCastleFR:
12338 case BlackHSideCastleFR:
12339 case BlackASideCastleFR:
12340 fromX = currentMoveString[0] - AAA;
12341 fromY = currentMoveString[1] - ONE;
12342 toX = currentMoveString[2] - AAA;
12343 toY = currentMoveString[3] - ONE;
12344 promoChar = currentMoveString[4];
12348 fromX = next == WhiteDrop ?
12349 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12350 (int) CharToPiece(ToLower(currentMoveString[0]));
12352 toX = currentMoveString[2] - AAA;
12353 toY = currentMoveString[3] - ONE;
12357 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12359 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12360 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12361 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12362 if(appData.findMirror) {
12363 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12364 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12369 /* Load the nth game from open file f */
12371 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12375 int gn = gameNumber;
12376 ListGame *lg = NULL;
12377 int numPGNTags = 0;
12379 GameMode oldGameMode;
12380 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12382 if (appData.debugMode)
12383 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12385 if (gameMode == Training )
12386 SetTrainingModeOff();
12388 oldGameMode = gameMode;
12389 if (gameMode != BeginningOfGame) {
12390 Reset(FALSE, TRUE);
12392 killX = killY = -1; // [HGM] lion: in case we did not Reset
12395 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12396 fclose(lastLoadGameFP);
12400 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12403 fseek(f, lg->offset, 0);
12404 GameListHighlight(gameNumber);
12405 pos = lg->position;
12409 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12410 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12412 DisplayError(_("Game number out of range"), 0);
12417 if (fseek(f, 0, 0) == -1) {
12418 if (f == lastLoadGameFP ?
12419 gameNumber == lastLoadGameNumber + 1 :
12423 DisplayError(_("Can't seek on game file"), 0);
12428 lastLoadGameFP = f;
12429 lastLoadGameNumber = gameNumber;
12430 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12431 lastLoadGameUseList = useList;
12435 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12436 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12437 lg->gameInfo.black);
12439 } else if (*title != NULLCHAR) {
12440 if (gameNumber > 1) {
12441 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12444 DisplayTitle(title);
12448 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12449 gameMode = PlayFromGameFile;
12453 currentMove = forwardMostMove = backwardMostMove = 0;
12454 CopyBoard(boards[0], initialPosition);
12458 * Skip the first gn-1 games in the file.
12459 * Also skip over anything that precedes an identifiable
12460 * start of game marker, to avoid being confused by
12461 * garbage at the start of the file. Currently
12462 * recognized start of game markers are the move number "1",
12463 * the pattern "gnuchess .* game", the pattern
12464 * "^[#;%] [^ ]* game file", and a PGN tag block.
12465 * A game that starts with one of the latter two patterns
12466 * will also have a move number 1, possibly
12467 * following a position diagram.
12468 * 5-4-02: Let's try being more lenient and allowing a game to
12469 * start with an unnumbered move. Does that break anything?
12471 cm = lastLoadGameStart = EndOfFile;
12473 yyboardindex = forwardMostMove;
12474 cm = (ChessMove) Myylex();
12477 if (cmailMsgLoaded) {
12478 nCmailGames = CMAIL_MAX_GAMES - gn;
12481 DisplayError(_("Game not found in file"), 0);
12488 lastLoadGameStart = cm;
12491 case MoveNumberOne:
12492 switch (lastLoadGameStart) {
12497 case MoveNumberOne:
12499 gn--; /* count this game */
12500 lastLoadGameStart = cm;
12509 switch (lastLoadGameStart) {
12512 case MoveNumberOne:
12514 gn--; /* count this game */
12515 lastLoadGameStart = cm;
12518 lastLoadGameStart = cm; /* game counted already */
12526 yyboardindex = forwardMostMove;
12527 cm = (ChessMove) Myylex();
12528 } while (cm == PGNTag || cm == Comment);
12535 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12536 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12537 != CMAIL_OLD_RESULT) {
12539 cmailResult[ CMAIL_MAX_GAMES
12540 - gn - 1] = CMAIL_OLD_RESULT;
12547 /* Only a NormalMove can be at the start of a game
12548 * without a position diagram. */
12549 if (lastLoadGameStart == EndOfFile ) {
12551 lastLoadGameStart = MoveNumberOne;
12560 if (appData.debugMode)
12561 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12563 if (cm == XBoardGame) {
12564 /* Skip any header junk before position diagram and/or move 1 */
12566 yyboardindex = forwardMostMove;
12567 cm = (ChessMove) Myylex();
12569 if (cm == EndOfFile ||
12570 cm == GNUChessGame || cm == XBoardGame) {
12571 /* Empty game; pretend end-of-file and handle later */
12576 if (cm == MoveNumberOne || cm == PositionDiagram ||
12577 cm == PGNTag || cm == Comment)
12580 } else if (cm == GNUChessGame) {
12581 if (gameInfo.event != NULL) {
12582 free(gameInfo.event);
12584 gameInfo.event = StrSave(yy_text);
12587 startedFromSetupPosition = FALSE;
12588 while (cm == PGNTag) {
12589 if (appData.debugMode)
12590 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12591 err = ParsePGNTag(yy_text, &gameInfo);
12592 if (!err) numPGNTags++;
12594 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12595 if(gameInfo.variant != oldVariant) {
12596 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12597 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12598 InitPosition(TRUE);
12599 oldVariant = gameInfo.variant;
12600 if (appData.debugMode)
12601 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12605 if (gameInfo.fen != NULL) {
12606 Board initial_position;
12607 startedFromSetupPosition = TRUE;
12608 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12610 DisplayError(_("Bad FEN position in file"), 0);
12613 CopyBoard(boards[0], initial_position);
12614 if (blackPlaysFirst) {
12615 currentMove = forwardMostMove = backwardMostMove = 1;
12616 CopyBoard(boards[1], initial_position);
12617 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12618 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12619 timeRemaining[0][1] = whiteTimeRemaining;
12620 timeRemaining[1][1] = blackTimeRemaining;
12621 if (commentList[0] != NULL) {
12622 commentList[1] = commentList[0];
12623 commentList[0] = NULL;
12626 currentMove = forwardMostMove = backwardMostMove = 0;
12628 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12630 initialRulePlies = FENrulePlies;
12631 for( i=0; i< nrCastlingRights; i++ )
12632 initialRights[i] = initial_position[CASTLING][i];
12634 yyboardindex = forwardMostMove;
12635 free(gameInfo.fen);
12636 gameInfo.fen = NULL;
12639 yyboardindex = forwardMostMove;
12640 cm = (ChessMove) Myylex();
12642 /* Handle comments interspersed among the tags */
12643 while (cm == Comment) {
12645 if (appData.debugMode)
12646 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12648 AppendComment(currentMove, p, FALSE);
12649 yyboardindex = forwardMostMove;
12650 cm = (ChessMove) Myylex();
12654 /* don't rely on existence of Event tag since if game was
12655 * pasted from clipboard the Event tag may not exist
12657 if (numPGNTags > 0){
12659 if (gameInfo.variant == VariantNormal) {
12660 VariantClass v = StringToVariant(gameInfo.event);
12661 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12662 if(v < VariantShogi) gameInfo.variant = v;
12665 if( appData.autoDisplayTags ) {
12666 tags = PGNTags(&gameInfo);
12667 TagsPopUp(tags, CmailMsg());
12672 /* Make something up, but don't display it now */
12677 if (cm == PositionDiagram) {
12680 Board initial_position;
12682 if (appData.debugMode)
12683 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12685 if (!startedFromSetupPosition) {
12687 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12688 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12699 initial_position[i][j++] = CharToPiece(*p);
12702 while (*p == ' ' || *p == '\t' ||
12703 *p == '\n' || *p == '\r') p++;
12705 if (strncmp(p, "black", strlen("black"))==0)
12706 blackPlaysFirst = TRUE;
12708 blackPlaysFirst = FALSE;
12709 startedFromSetupPosition = TRUE;
12711 CopyBoard(boards[0], initial_position);
12712 if (blackPlaysFirst) {
12713 currentMove = forwardMostMove = backwardMostMove = 1;
12714 CopyBoard(boards[1], initial_position);
12715 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12716 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12717 timeRemaining[0][1] = whiteTimeRemaining;
12718 timeRemaining[1][1] = blackTimeRemaining;
12719 if (commentList[0] != NULL) {
12720 commentList[1] = commentList[0];
12721 commentList[0] = NULL;
12724 currentMove = forwardMostMove = backwardMostMove = 0;
12727 yyboardindex = forwardMostMove;
12728 cm = (ChessMove) Myylex();
12731 if(!creatingBook) {
12732 if (first.pr == NoProc) {
12733 StartChessProgram(&first);
12735 InitChessProgram(&first, FALSE);
12736 SendToProgram("force\n", &first);
12737 if (startedFromSetupPosition) {
12738 SendBoard(&first, forwardMostMove);
12739 if (appData.debugMode) {
12740 fprintf(debugFP, "Load Game\n");
12742 DisplayBothClocks();
12746 /* [HGM] server: flag to write setup moves in broadcast file as one */
12747 loadFlag = appData.suppressLoadMoves;
12749 while (cm == Comment) {
12751 if (appData.debugMode)
12752 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12754 AppendComment(currentMove, p, FALSE);
12755 yyboardindex = forwardMostMove;
12756 cm = (ChessMove) Myylex();
12759 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12760 cm == WhiteWins || cm == BlackWins ||
12761 cm == GameIsDrawn || cm == GameUnfinished) {
12762 DisplayMessage("", _("No moves in game"));
12763 if (cmailMsgLoaded) {
12764 if (appData.debugMode)
12765 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12769 DrawPosition(FALSE, boards[currentMove]);
12770 DisplayBothClocks();
12771 gameMode = EditGame;
12778 // [HGM] PV info: routine tests if comment empty
12779 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12780 DisplayComment(currentMove - 1, commentList[currentMove]);
12782 if (!matchMode && appData.timeDelay != 0)
12783 DrawPosition(FALSE, boards[currentMove]);
12785 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12786 programStats.ok_to_send = 1;
12789 /* if the first token after the PGN tags is a move
12790 * and not move number 1, retrieve it from the parser
12792 if (cm != MoveNumberOne)
12793 LoadGameOneMove(cm);
12795 /* load the remaining moves from the file */
12796 while (LoadGameOneMove(EndOfFile)) {
12797 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12798 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12801 /* rewind to the start of the game */
12802 currentMove = backwardMostMove;
12804 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12806 if (oldGameMode == AnalyzeFile) {
12807 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12808 AnalyzeFileEvent();
12810 if (oldGameMode == AnalyzeMode) {
12811 AnalyzeFileEvent();
12814 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12815 long int w, b; // [HGM] adjourn: restore saved clock times
12816 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12817 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12818 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12819 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12823 if(creatingBook) return TRUE;
12824 if (!matchMode && pos > 0) {
12825 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12827 if (matchMode || appData.timeDelay == 0) {
12829 } else if (appData.timeDelay > 0) {
12830 AutoPlayGameLoop();
12833 if (appData.debugMode)
12834 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12836 loadFlag = 0; /* [HGM] true game starts */
12840 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12842 ReloadPosition (int offset)
12844 int positionNumber = lastLoadPositionNumber + offset;
12845 if (lastLoadPositionFP == NULL) {
12846 DisplayError(_("No position has been loaded yet"), 0);
12849 if (positionNumber <= 0) {
12850 DisplayError(_("Can't back up any further"), 0);
12853 return LoadPosition(lastLoadPositionFP, positionNumber,
12854 lastLoadPositionTitle);
12857 /* Load the nth position from the given file */
12859 LoadPositionFromFile (char *filename, int n, char *title)
12864 if (strcmp(filename, "-") == 0) {
12865 return LoadPosition(stdin, n, "stdin");
12867 f = fopen(filename, "rb");
12869 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12870 DisplayError(buf, errno);
12873 return LoadPosition(f, n, title);
12878 /* Load the nth position from the given open file, and close it */
12880 LoadPosition (FILE *f, int positionNumber, char *title)
12882 char *p, line[MSG_SIZ];
12883 Board initial_position;
12884 int i, j, fenMode, pn;
12886 if (gameMode == Training )
12887 SetTrainingModeOff();
12889 if (gameMode != BeginningOfGame) {
12890 Reset(FALSE, TRUE);
12892 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12893 fclose(lastLoadPositionFP);
12895 if (positionNumber == 0) positionNumber = 1;
12896 lastLoadPositionFP = f;
12897 lastLoadPositionNumber = positionNumber;
12898 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12899 if (first.pr == NoProc && !appData.noChessProgram) {
12900 StartChessProgram(&first);
12901 InitChessProgram(&first, FALSE);
12903 pn = positionNumber;
12904 if (positionNumber < 0) {
12905 /* Negative position number means to seek to that byte offset */
12906 if (fseek(f, -positionNumber, 0) == -1) {
12907 DisplayError(_("Can't seek on position file"), 0);
12912 if (fseek(f, 0, 0) == -1) {
12913 if (f == lastLoadPositionFP ?
12914 positionNumber == lastLoadPositionNumber + 1 :
12915 positionNumber == 1) {
12918 DisplayError(_("Can't seek on position file"), 0);
12923 /* See if this file is FEN or old-style xboard */
12924 if (fgets(line, MSG_SIZ, f) == NULL) {
12925 DisplayError(_("Position not found in file"), 0);
12928 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12929 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12932 if (fenMode || line[0] == '#') pn--;
12934 /* skip positions before number pn */
12935 if (fgets(line, MSG_SIZ, f) == NULL) {
12937 DisplayError(_("Position not found in file"), 0);
12940 if (fenMode || line[0] == '#') pn--;
12945 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
12946 DisplayError(_("Bad FEN position in file"), 0);
12950 (void) fgets(line, MSG_SIZ, f);
12951 (void) fgets(line, MSG_SIZ, f);
12953 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12954 (void) fgets(line, MSG_SIZ, f);
12955 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12958 initial_position[i][j++] = CharToPiece(*p);
12962 blackPlaysFirst = FALSE;
12964 (void) fgets(line, MSG_SIZ, f);
12965 if (strncmp(line, "black", strlen("black"))==0)
12966 blackPlaysFirst = TRUE;
12969 startedFromSetupPosition = TRUE;
12971 CopyBoard(boards[0], initial_position);
12972 if (blackPlaysFirst) {
12973 currentMove = forwardMostMove = backwardMostMove = 1;
12974 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12975 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12976 CopyBoard(boards[1], initial_position);
12977 DisplayMessage("", _("Black to play"));
12979 currentMove = forwardMostMove = backwardMostMove = 0;
12980 DisplayMessage("", _("White to play"));
12982 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12983 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12984 SendToProgram("force\n", &first);
12985 SendBoard(&first, forwardMostMove);
12987 if (appData.debugMode) {
12989 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12990 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12991 fprintf(debugFP, "Load Position\n");
12994 if (positionNumber > 1) {
12995 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12996 DisplayTitle(line);
12998 DisplayTitle(title);
13000 gameMode = EditGame;
13003 timeRemaining[0][1] = whiteTimeRemaining;
13004 timeRemaining[1][1] = blackTimeRemaining;
13005 DrawPosition(FALSE, boards[currentMove]);
13012 CopyPlayerNameIntoFileName (char **dest, char *src)
13014 while (*src != NULLCHAR && *src != ',') {
13019 *(*dest)++ = *src++;
13025 DefaultFileName (char *ext)
13027 static char def[MSG_SIZ];
13030 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13032 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13034 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13036 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13043 /* Save the current game to the given file */
13045 SaveGameToFile (char *filename, int append)
13049 int result, i, t,tot=0;
13051 if (strcmp(filename, "-") == 0) {
13052 return SaveGame(stdout, 0, NULL);
13054 for(i=0; i<10; i++) { // upto 10 tries
13055 f = fopen(filename, append ? "a" : "w");
13056 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13057 if(f || errno != 13) break;
13058 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13062 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13063 DisplayError(buf, errno);
13066 safeStrCpy(buf, lastMsg, MSG_SIZ);
13067 DisplayMessage(_("Waiting for access to save file"), "");
13068 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13069 DisplayMessage(_("Saving game"), "");
13070 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13071 result = SaveGame(f, 0, NULL);
13072 DisplayMessage(buf, "");
13079 SavePart (char *str)
13081 static char buf[MSG_SIZ];
13084 p = strchr(str, ' ');
13085 if (p == NULL) return str;
13086 strncpy(buf, str, p - str);
13087 buf[p - str] = NULLCHAR;
13091 #define PGN_MAX_LINE 75
13093 #define PGN_SIDE_WHITE 0
13094 #define PGN_SIDE_BLACK 1
13097 FindFirstMoveOutOfBook (int side)
13101 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13102 int index = backwardMostMove;
13103 int has_book_hit = 0;
13105 if( (index % 2) != side ) {
13109 while( index < forwardMostMove ) {
13110 /* Check to see if engine is in book */
13111 int depth = pvInfoList[index].depth;
13112 int score = pvInfoList[index].score;
13118 else if( score == 0 && depth == 63 ) {
13119 in_book = 1; /* Zappa */
13121 else if( score == 2 && depth == 99 ) {
13122 in_book = 1; /* Abrok */
13125 has_book_hit += in_book;
13141 GetOutOfBookInfo (char * buf)
13145 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13147 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13148 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13152 if( oob[0] >= 0 || oob[1] >= 0 ) {
13153 for( i=0; i<2; i++ ) {
13157 if( i > 0 && oob[0] >= 0 ) {
13158 strcat( buf, " " );
13161 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13162 sprintf( buf+strlen(buf), "%s%.2f",
13163 pvInfoList[idx].score >= 0 ? "+" : "",
13164 pvInfoList[idx].score / 100.0 );
13170 /* Save game in PGN style and close the file */
13172 SaveGamePGN (FILE *f)
13174 int i, offset, linelen, newblock;
13177 int movelen, numlen, blank;
13178 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13180 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13182 PrintPGNTags(f, &gameInfo);
13184 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13186 if (backwardMostMove > 0 || startedFromSetupPosition) {
13187 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13188 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13189 fprintf(f, "\n{--------------\n");
13190 PrintPosition(f, backwardMostMove);
13191 fprintf(f, "--------------}\n");
13195 /* [AS] Out of book annotation */
13196 if( appData.saveOutOfBookInfo ) {
13199 GetOutOfBookInfo( buf );
13201 if( buf[0] != '\0' ) {
13202 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13209 i = backwardMostMove;
13213 while (i < forwardMostMove) {
13214 /* Print comments preceding this move */
13215 if (commentList[i] != NULL) {
13216 if (linelen > 0) fprintf(f, "\n");
13217 fprintf(f, "%s", commentList[i]);
13222 /* Format move number */
13224 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13227 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13229 numtext[0] = NULLCHAR;
13231 numlen = strlen(numtext);
13234 /* Print move number */
13235 blank = linelen > 0 && numlen > 0;
13236 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13245 fprintf(f, "%s", numtext);
13249 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13250 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13253 blank = linelen > 0 && movelen > 0;
13254 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13263 fprintf(f, "%s", move_buffer);
13264 linelen += movelen;
13266 /* [AS] Add PV info if present */
13267 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13268 /* [HGM] add time */
13269 char buf[MSG_SIZ]; int seconds;
13271 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13277 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13280 seconds = (seconds + 4)/10; // round to full seconds
13282 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13284 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13287 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13288 pvInfoList[i].score >= 0 ? "+" : "",
13289 pvInfoList[i].score / 100.0,
13290 pvInfoList[i].depth,
13293 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13295 /* Print score/depth */
13296 blank = linelen > 0 && movelen > 0;
13297 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13306 fprintf(f, "%s", move_buffer);
13307 linelen += movelen;
13313 /* Start a new line */
13314 if (linelen > 0) fprintf(f, "\n");
13316 /* Print comments after last move */
13317 if (commentList[i] != NULL) {
13318 fprintf(f, "%s\n", commentList[i]);
13322 if (gameInfo.resultDetails != NULL &&
13323 gameInfo.resultDetails[0] != NULLCHAR) {
13324 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13325 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13326 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13327 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13328 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13330 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13334 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13338 /* Save game in old style and close the file */
13340 SaveGameOldStyle (FILE *f)
13345 tm = time((time_t *) NULL);
13347 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13350 if (backwardMostMove > 0 || startedFromSetupPosition) {
13351 fprintf(f, "\n[--------------\n");
13352 PrintPosition(f, backwardMostMove);
13353 fprintf(f, "--------------]\n");
13358 i = backwardMostMove;
13359 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13361 while (i < forwardMostMove) {
13362 if (commentList[i] != NULL) {
13363 fprintf(f, "[%s]\n", commentList[i]);
13366 if ((i % 2) == 1) {
13367 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13370 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13372 if (commentList[i] != NULL) {
13376 if (i >= forwardMostMove) {
13380 fprintf(f, "%s\n", parseList[i]);
13385 if (commentList[i] != NULL) {
13386 fprintf(f, "[%s]\n", commentList[i]);
13389 /* This isn't really the old style, but it's close enough */
13390 if (gameInfo.resultDetails != NULL &&
13391 gameInfo.resultDetails[0] != NULLCHAR) {
13392 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13393 gameInfo.resultDetails);
13395 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13402 /* Save the current game to open file f and close the file */
13404 SaveGame (FILE *f, int dummy, char *dummy2)
13406 if (gameMode == EditPosition) EditPositionDone(TRUE);
13407 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13408 if (appData.oldSaveStyle)
13409 return SaveGameOldStyle(f);
13411 return SaveGamePGN(f);
13414 /* Save the current position to the given file */
13416 SavePositionToFile (char *filename)
13421 if (strcmp(filename, "-") == 0) {
13422 return SavePosition(stdout, 0, NULL);
13424 f = fopen(filename, "a");
13426 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13427 DisplayError(buf, errno);
13430 safeStrCpy(buf, lastMsg, MSG_SIZ);
13431 DisplayMessage(_("Waiting for access to save file"), "");
13432 flock(fileno(f), LOCK_EX); // [HGM] lock
13433 DisplayMessage(_("Saving position"), "");
13434 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13435 SavePosition(f, 0, NULL);
13436 DisplayMessage(buf, "");
13442 /* Save the current position to the given open file and close the file */
13444 SavePosition (FILE *f, int dummy, char *dummy2)
13449 if (gameMode == EditPosition) EditPositionDone(TRUE);
13450 if (appData.oldSaveStyle) {
13451 tm = time((time_t *) NULL);
13453 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13455 fprintf(f, "[--------------\n");
13456 PrintPosition(f, currentMove);
13457 fprintf(f, "--------------]\n");
13459 fen = PositionToFEN(currentMove, NULL, 1);
13460 fprintf(f, "%s\n", fen);
13468 ReloadCmailMsgEvent (int unregister)
13471 static char *inFilename = NULL;
13472 static char *outFilename;
13474 struct stat inbuf, outbuf;
13477 /* Any registered moves are unregistered if unregister is set, */
13478 /* i.e. invoked by the signal handler */
13480 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13481 cmailMoveRegistered[i] = FALSE;
13482 if (cmailCommentList[i] != NULL) {
13483 free(cmailCommentList[i]);
13484 cmailCommentList[i] = NULL;
13487 nCmailMovesRegistered = 0;
13490 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13491 cmailResult[i] = CMAIL_NOT_RESULT;
13495 if (inFilename == NULL) {
13496 /* Because the filenames are static they only get malloced once */
13497 /* and they never get freed */
13498 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13499 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13501 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13502 sprintf(outFilename, "%s.out", appData.cmailGameName);
13505 status = stat(outFilename, &outbuf);
13507 cmailMailedMove = FALSE;
13509 status = stat(inFilename, &inbuf);
13510 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13513 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13514 counts the games, notes how each one terminated, etc.
13516 It would be nice to remove this kludge and instead gather all
13517 the information while building the game list. (And to keep it
13518 in the game list nodes instead of having a bunch of fixed-size
13519 parallel arrays.) Note this will require getting each game's
13520 termination from the PGN tags, as the game list builder does
13521 not process the game moves. --mann
13523 cmailMsgLoaded = TRUE;
13524 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13526 /* Load first game in the file or popup game menu */
13527 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13529 #endif /* !WIN32 */
13537 char string[MSG_SIZ];
13539 if ( cmailMailedMove
13540 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13541 return TRUE; /* Allow free viewing */
13544 /* Unregister move to ensure that we don't leave RegisterMove */
13545 /* with the move registered when the conditions for registering no */
13547 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13548 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13549 nCmailMovesRegistered --;
13551 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13553 free(cmailCommentList[lastLoadGameNumber - 1]);
13554 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13558 if (cmailOldMove == -1) {
13559 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13563 if (currentMove > cmailOldMove + 1) {
13564 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13568 if (currentMove < cmailOldMove) {
13569 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13573 if (forwardMostMove > currentMove) {
13574 /* Silently truncate extra moves */
13578 if ( (currentMove == cmailOldMove + 1)
13579 || ( (currentMove == cmailOldMove)
13580 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13581 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13582 if (gameInfo.result != GameUnfinished) {
13583 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13586 if (commentList[currentMove] != NULL) {
13587 cmailCommentList[lastLoadGameNumber - 1]
13588 = StrSave(commentList[currentMove]);
13590 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13592 if (appData.debugMode)
13593 fprintf(debugFP, "Saving %s for game %d\n",
13594 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13596 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13598 f = fopen(string, "w");
13599 if (appData.oldSaveStyle) {
13600 SaveGameOldStyle(f); /* also closes the file */
13602 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13603 f = fopen(string, "w");
13604 SavePosition(f, 0, NULL); /* also closes the file */
13606 fprintf(f, "{--------------\n");
13607 PrintPosition(f, currentMove);
13608 fprintf(f, "--------------}\n\n");
13610 SaveGame(f, 0, NULL); /* also closes the file*/
13613 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13614 nCmailMovesRegistered ++;
13615 } else if (nCmailGames == 1) {
13616 DisplayError(_("You have not made a move yet"), 0);
13627 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13628 FILE *commandOutput;
13629 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13630 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13636 if (! cmailMsgLoaded) {
13637 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13641 if (nCmailGames == nCmailResults) {
13642 DisplayError(_("No unfinished games"), 0);
13646 #if CMAIL_PROHIBIT_REMAIL
13647 if (cmailMailedMove) {
13648 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);
13649 DisplayError(msg, 0);
13654 if (! (cmailMailedMove || RegisterMove())) return;
13656 if ( cmailMailedMove
13657 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13658 snprintf(string, MSG_SIZ, partCommandString,
13659 appData.debugMode ? " -v" : "", appData.cmailGameName);
13660 commandOutput = popen(string, "r");
13662 if (commandOutput == NULL) {
13663 DisplayError(_("Failed to invoke cmail"), 0);
13665 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13666 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13668 if (nBuffers > 1) {
13669 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13670 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13671 nBytes = MSG_SIZ - 1;
13673 (void) memcpy(msg, buffer, nBytes);
13675 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13677 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13678 cmailMailedMove = TRUE; /* Prevent >1 moves */
13681 for (i = 0; i < nCmailGames; i ++) {
13682 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13687 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13689 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13691 appData.cmailGameName,
13693 LoadGameFromFile(buffer, 1, buffer, FALSE);
13694 cmailMsgLoaded = FALSE;
13698 DisplayInformation(msg);
13699 pclose(commandOutput);
13702 if ((*cmailMsg) != '\0') {
13703 DisplayInformation(cmailMsg);
13708 #endif /* !WIN32 */
13717 int prependComma = 0;
13719 char string[MSG_SIZ]; /* Space for game-list */
13722 if (!cmailMsgLoaded) return "";
13724 if (cmailMailedMove) {
13725 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13727 /* Create a list of games left */
13728 snprintf(string, MSG_SIZ, "[");
13729 for (i = 0; i < nCmailGames; i ++) {
13730 if (! ( cmailMoveRegistered[i]
13731 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13732 if (prependComma) {
13733 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13735 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13739 strcat(string, number);
13742 strcat(string, "]");
13744 if (nCmailMovesRegistered + nCmailResults == 0) {
13745 switch (nCmailGames) {
13747 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13751 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13755 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13760 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13762 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13767 if (nCmailResults == nCmailGames) {
13768 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13770 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13775 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13787 if (gameMode == Training)
13788 SetTrainingModeOff();
13791 cmailMsgLoaded = FALSE;
13792 if (appData.icsActive) {
13793 SendToICS(ics_prefix);
13794 SendToICS("refresh\n");
13799 ExitEvent (int status)
13803 /* Give up on clean exit */
13807 /* Keep trying for clean exit */
13811 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13813 if (telnetISR != NULL) {
13814 RemoveInputSource(telnetISR);
13816 if (icsPR != NoProc) {
13817 DestroyChildProcess(icsPR, TRUE);
13820 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13821 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13823 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13824 /* make sure this other one finishes before killing it! */
13825 if(endingGame) { int count = 0;
13826 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13827 while(endingGame && count++ < 10) DoSleep(1);
13828 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13831 /* Kill off chess programs */
13832 if (first.pr != NoProc) {
13835 DoSleep( appData.delayBeforeQuit );
13836 SendToProgram("quit\n", &first);
13837 DoSleep( appData.delayAfterQuit );
13838 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13840 if (second.pr != NoProc) {
13841 DoSleep( appData.delayBeforeQuit );
13842 SendToProgram("quit\n", &second);
13843 DoSleep( appData.delayAfterQuit );
13844 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13846 if (first.isr != NULL) {
13847 RemoveInputSource(first.isr);
13849 if (second.isr != NULL) {
13850 RemoveInputSource(second.isr);
13853 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13854 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13856 ShutDownFrontEnd();
13861 PauseEngine (ChessProgramState *cps)
13863 SendToProgram("pause\n", cps);
13868 UnPauseEngine (ChessProgramState *cps)
13870 SendToProgram("resume\n", cps);
13877 if (appData.debugMode)
13878 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13882 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13884 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13885 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13886 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13888 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13889 HandleMachineMove(stashedInputMove, stalledEngine);
13890 stalledEngine = NULL;
13893 if (gameMode == MachinePlaysWhite ||
13894 gameMode == TwoMachinesPlay ||
13895 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13896 if(first.pause) UnPauseEngine(&first);
13897 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13898 if(second.pause) UnPauseEngine(&second);
13899 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13902 DisplayBothClocks();
13904 if (gameMode == PlayFromGameFile) {
13905 if (appData.timeDelay >= 0)
13906 AutoPlayGameLoop();
13907 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13908 Reset(FALSE, TRUE);
13909 SendToICS(ics_prefix);
13910 SendToICS("refresh\n");
13911 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13912 ForwardInner(forwardMostMove);
13914 pauseExamInvalid = FALSE;
13916 switch (gameMode) {
13920 pauseExamForwardMostMove = forwardMostMove;
13921 pauseExamInvalid = FALSE;
13924 case IcsPlayingWhite:
13925 case IcsPlayingBlack:
13929 case PlayFromGameFile:
13930 (void) StopLoadGameTimer();
13934 case BeginningOfGame:
13935 if (appData.icsActive) return;
13936 /* else fall through */
13937 case MachinePlaysWhite:
13938 case MachinePlaysBlack:
13939 case TwoMachinesPlay:
13940 if (forwardMostMove == 0)
13941 return; /* don't pause if no one has moved */
13942 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13943 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13944 if(onMove->pause) { // thinking engine can be paused
13945 PauseEngine(onMove); // do it
13946 if(onMove->other->pause) // pondering opponent can always be paused immediately
13947 PauseEngine(onMove->other);
13949 SendToProgram("easy\n", onMove->other);
13951 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13952 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13954 PauseEngine(&first);
13956 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13957 } else { // human on move, pause pondering by either method
13959 PauseEngine(&first);
13960 else if(appData.ponderNextMove)
13961 SendToProgram("easy\n", &first);
13964 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13974 EditCommentEvent ()
13976 char title[MSG_SIZ];
13978 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13979 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13981 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13982 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13983 parseList[currentMove - 1]);
13986 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13993 char *tags = PGNTags(&gameInfo);
13995 EditTagsPopUp(tags, NULL);
14002 if(second.analyzing) {
14003 SendToProgram("exit\n", &second);
14004 second.analyzing = FALSE;
14006 if (second.pr == NoProc) StartChessProgram(&second);
14007 InitChessProgram(&second, FALSE);
14008 FeedMovesToProgram(&second, currentMove);
14010 SendToProgram("analyze\n", &second);
14011 second.analyzing = TRUE;
14015 /* Toggle ShowThinking */
14017 ToggleShowThinking()
14019 appData.showThinking = !appData.showThinking;
14020 ShowThinkingEvent();
14024 AnalyzeModeEvent ()
14028 if (!first.analysisSupport) {
14029 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14030 DisplayError(buf, 0);
14033 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14034 if (appData.icsActive) {
14035 if (gameMode != IcsObserving) {
14036 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14037 DisplayError(buf, 0);
14039 if (appData.icsEngineAnalyze) {
14040 if (appData.debugMode)
14041 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14047 /* if enable, user wants to disable icsEngineAnalyze */
14048 if (appData.icsEngineAnalyze) {
14053 appData.icsEngineAnalyze = TRUE;
14054 if (appData.debugMode)
14055 fprintf(debugFP, "ICS engine analyze starting... \n");
14058 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14059 if (appData.noChessProgram || gameMode == AnalyzeMode)
14062 if (gameMode != AnalyzeFile) {
14063 if (!appData.icsEngineAnalyze) {
14065 if (gameMode != EditGame) return 0;
14067 if (!appData.showThinking) ToggleShowThinking();
14068 ResurrectChessProgram();
14069 SendToProgram("analyze\n", &first);
14070 first.analyzing = TRUE;
14071 /*first.maybeThinking = TRUE;*/
14072 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14073 EngineOutputPopUp();
14075 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
14080 StartAnalysisClock();
14081 GetTimeMark(&lastNodeCountTime);
14087 AnalyzeFileEvent ()
14089 if (appData.noChessProgram || gameMode == AnalyzeFile)
14092 if (!first.analysisSupport) {
14094 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14095 DisplayError(buf, 0);
14099 if (gameMode != AnalyzeMode) {
14100 keepInfo = 1; // mere annotating should not alter PGN tags
14103 if (gameMode != EditGame) return;
14104 if (!appData.showThinking) ToggleShowThinking();
14105 ResurrectChessProgram();
14106 SendToProgram("analyze\n", &first);
14107 first.analyzing = TRUE;
14108 /*first.maybeThinking = TRUE;*/
14109 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14110 EngineOutputPopUp();
14112 gameMode = AnalyzeFile;
14116 StartAnalysisClock();
14117 GetTimeMark(&lastNodeCountTime);
14119 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14120 AnalysisPeriodicEvent(1);
14124 MachineWhiteEvent ()
14127 char *bookHit = NULL;
14129 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14133 if (gameMode == PlayFromGameFile ||
14134 gameMode == TwoMachinesPlay ||
14135 gameMode == Training ||
14136 gameMode == AnalyzeMode ||
14137 gameMode == EndOfGame)
14140 if (gameMode == EditPosition)
14141 EditPositionDone(TRUE);
14143 if (!WhiteOnMove(currentMove)) {
14144 DisplayError(_("It is not White's turn"), 0);
14148 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14151 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14152 gameMode == AnalyzeFile)
14155 ResurrectChessProgram(); /* in case it isn't running */
14156 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14157 gameMode = MachinePlaysWhite;
14160 gameMode = MachinePlaysWhite;
14164 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14166 if (first.sendName) {
14167 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14168 SendToProgram(buf, &first);
14170 if (first.sendTime) {
14171 if (first.useColors) {
14172 SendToProgram("black\n", &first); /*gnu kludge*/
14174 SendTimeRemaining(&first, TRUE);
14176 if (first.useColors) {
14177 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14179 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14180 SetMachineThinkingEnables();
14181 first.maybeThinking = TRUE;
14185 if (appData.autoFlipView && !flipView) {
14186 flipView = !flipView;
14187 DrawPosition(FALSE, NULL);
14188 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14191 if(bookHit) { // [HGM] book: simulate book reply
14192 static char bookMove[MSG_SIZ]; // a bit generous?
14194 programStats.nodes = programStats.depth = programStats.time =
14195 programStats.score = programStats.got_only_move = 0;
14196 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14198 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14199 strcat(bookMove, bookHit);
14200 HandleMachineMove(bookMove, &first);
14205 MachineBlackEvent ()
14208 char *bookHit = NULL;
14210 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14214 if (gameMode == PlayFromGameFile ||
14215 gameMode == TwoMachinesPlay ||
14216 gameMode == Training ||
14217 gameMode == AnalyzeMode ||
14218 gameMode == EndOfGame)
14221 if (gameMode == EditPosition)
14222 EditPositionDone(TRUE);
14224 if (WhiteOnMove(currentMove)) {
14225 DisplayError(_("It is not Black's turn"), 0);
14229 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14232 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14233 gameMode == AnalyzeFile)
14236 ResurrectChessProgram(); /* in case it isn't running */
14237 gameMode = MachinePlaysBlack;
14241 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14243 if (first.sendName) {
14244 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14245 SendToProgram(buf, &first);
14247 if (first.sendTime) {
14248 if (first.useColors) {
14249 SendToProgram("white\n", &first); /*gnu kludge*/
14251 SendTimeRemaining(&first, FALSE);
14253 if (first.useColors) {
14254 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14256 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14257 SetMachineThinkingEnables();
14258 first.maybeThinking = TRUE;
14261 if (appData.autoFlipView && flipView) {
14262 flipView = !flipView;
14263 DrawPosition(FALSE, NULL);
14264 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14266 if(bookHit) { // [HGM] book: simulate book reply
14267 static char bookMove[MSG_SIZ]; // a bit generous?
14269 programStats.nodes = programStats.depth = programStats.time =
14270 programStats.score = programStats.got_only_move = 0;
14271 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14273 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14274 strcat(bookMove, bookHit);
14275 HandleMachineMove(bookMove, &first);
14281 DisplayTwoMachinesTitle ()
14284 if (appData.matchGames > 0) {
14285 if(appData.tourneyFile[0]) {
14286 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14287 gameInfo.white, _("vs."), gameInfo.black,
14288 nextGame+1, appData.matchGames+1,
14289 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14291 if (first.twoMachinesColor[0] == 'w') {
14292 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14293 gameInfo.white, _("vs."), gameInfo.black,
14294 first.matchWins, second.matchWins,
14295 matchGame - 1 - (first.matchWins + second.matchWins));
14297 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14298 gameInfo.white, _("vs."), gameInfo.black,
14299 second.matchWins, first.matchWins,
14300 matchGame - 1 - (first.matchWins + second.matchWins));
14303 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14309 SettingsMenuIfReady ()
14311 if (second.lastPing != second.lastPong) {
14312 DisplayMessage("", _("Waiting for second chess program"));
14313 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14317 DisplayMessage("", "");
14318 SettingsPopUp(&second);
14322 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14325 if (cps->pr == NoProc) {
14326 StartChessProgram(cps);
14327 if (cps->protocolVersion == 1) {
14329 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14331 /* kludge: allow timeout for initial "feature" command */
14332 if(retry != TwoMachinesEventIfReady) FreezeUI();
14333 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14334 DisplayMessage("", buf);
14335 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14343 TwoMachinesEvent P((void))
14347 ChessProgramState *onmove;
14348 char *bookHit = NULL;
14349 static int stalling = 0;
14353 if (appData.noChessProgram) return;
14355 switch (gameMode) {
14356 case TwoMachinesPlay:
14358 case MachinePlaysWhite:
14359 case MachinePlaysBlack:
14360 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14361 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14365 case BeginningOfGame:
14366 case PlayFromGameFile:
14369 if (gameMode != EditGame) return;
14372 EditPositionDone(TRUE);
14383 // forwardMostMove = currentMove;
14384 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14385 startingEngine = TRUE;
14387 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14389 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14390 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14391 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14394 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14396 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14397 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14398 startingEngine = FALSE;
14399 DisplayError("second engine does not play this", 0);
14404 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14405 SendToProgram("force\n", &second);
14407 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14410 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14411 if(appData.matchPause>10000 || appData.matchPause<10)
14412 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14413 wait = SubtractTimeMarks(&now, &pauseStart);
14414 if(wait < appData.matchPause) {
14415 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14418 // we are now committed to starting the game
14420 DisplayMessage("", "");
14421 if (startedFromSetupPosition) {
14422 SendBoard(&second, backwardMostMove);
14423 if (appData.debugMode) {
14424 fprintf(debugFP, "Two Machines\n");
14427 for (i = backwardMostMove; i < forwardMostMove; i++) {
14428 SendMoveToProgram(i, &second);
14431 gameMode = TwoMachinesPlay;
14432 pausing = startingEngine = FALSE;
14433 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14435 DisplayTwoMachinesTitle();
14437 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14442 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14443 SendToProgram(first.computerString, &first);
14444 if (first.sendName) {
14445 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14446 SendToProgram(buf, &first);
14448 SendToProgram(second.computerString, &second);
14449 if (second.sendName) {
14450 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14451 SendToProgram(buf, &second);
14455 if (!first.sendTime || !second.sendTime) {
14456 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14457 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14459 if (onmove->sendTime) {
14460 if (onmove->useColors) {
14461 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14463 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14465 if (onmove->useColors) {
14466 SendToProgram(onmove->twoMachinesColor, onmove);
14468 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14469 // SendToProgram("go\n", onmove);
14470 onmove->maybeThinking = TRUE;
14471 SetMachineThinkingEnables();
14475 if(bookHit) { // [HGM] book: simulate book reply
14476 static char bookMove[MSG_SIZ]; // a bit generous?
14478 programStats.nodes = programStats.depth = programStats.time =
14479 programStats.score = programStats.got_only_move = 0;
14480 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14482 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14483 strcat(bookMove, bookHit);
14484 savedMessage = bookMove; // args for deferred call
14485 savedState = onmove;
14486 ScheduleDelayedEvent(DeferredBookMove, 1);
14493 if (gameMode == Training) {
14494 SetTrainingModeOff();
14495 gameMode = PlayFromGameFile;
14496 DisplayMessage("", _("Training mode off"));
14498 gameMode = Training;
14499 animateTraining = appData.animate;
14501 /* make sure we are not already at the end of the game */
14502 if (currentMove < forwardMostMove) {
14503 SetTrainingModeOn();
14504 DisplayMessage("", _("Training mode on"));
14506 gameMode = PlayFromGameFile;
14507 DisplayError(_("Already at end of game"), 0);
14516 if (!appData.icsActive) return;
14517 switch (gameMode) {
14518 case IcsPlayingWhite:
14519 case IcsPlayingBlack:
14522 case BeginningOfGame:
14530 EditPositionDone(TRUE);
14543 gameMode = IcsIdle;
14553 switch (gameMode) {
14555 SetTrainingModeOff();
14557 case MachinePlaysWhite:
14558 case MachinePlaysBlack:
14559 case BeginningOfGame:
14560 SendToProgram("force\n", &first);
14561 SetUserThinkingEnables();
14563 case PlayFromGameFile:
14564 (void) StopLoadGameTimer();
14565 if (gameFileFP != NULL) {
14570 EditPositionDone(TRUE);
14575 SendToProgram("force\n", &first);
14577 case TwoMachinesPlay:
14578 GameEnds(EndOfFile, NULL, GE_PLAYER);
14579 ResurrectChessProgram();
14580 SetUserThinkingEnables();
14583 ResurrectChessProgram();
14585 case IcsPlayingBlack:
14586 case IcsPlayingWhite:
14587 DisplayError(_("Warning: You are still playing a game"), 0);
14590 DisplayError(_("Warning: You are still observing a game"), 0);
14593 DisplayError(_("Warning: You are still examining a game"), 0);
14604 first.offeredDraw = second.offeredDraw = 0;
14606 if (gameMode == PlayFromGameFile) {
14607 whiteTimeRemaining = timeRemaining[0][currentMove];
14608 blackTimeRemaining = timeRemaining[1][currentMove];
14612 if (gameMode == MachinePlaysWhite ||
14613 gameMode == MachinePlaysBlack ||
14614 gameMode == TwoMachinesPlay ||
14615 gameMode == EndOfGame) {
14616 i = forwardMostMove;
14617 while (i > currentMove) {
14618 SendToProgram("undo\n", &first);
14621 if(!adjustedClock) {
14622 whiteTimeRemaining = timeRemaining[0][currentMove];
14623 blackTimeRemaining = timeRemaining[1][currentMove];
14624 DisplayBothClocks();
14626 if (whiteFlag || blackFlag) {
14627 whiteFlag = blackFlag = 0;
14632 gameMode = EditGame;
14639 EditPositionEvent ()
14641 if (gameMode == EditPosition) {
14647 if (gameMode != EditGame) return;
14649 gameMode = EditPosition;
14652 if (currentMove > 0)
14653 CopyBoard(boards[0], boards[currentMove]);
14655 blackPlaysFirst = !WhiteOnMove(currentMove);
14657 currentMove = forwardMostMove = backwardMostMove = 0;
14658 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14660 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14666 /* [DM] icsEngineAnalyze - possible call from other functions */
14667 if (appData.icsEngineAnalyze) {
14668 appData.icsEngineAnalyze = FALSE;
14670 DisplayMessage("",_("Close ICS engine analyze..."));
14672 if (first.analysisSupport && first.analyzing) {
14673 SendToBoth("exit\n");
14674 first.analyzing = second.analyzing = FALSE;
14676 thinkOutput[0] = NULLCHAR;
14680 EditPositionDone (Boolean fakeRights)
14682 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14684 startedFromSetupPosition = TRUE;
14685 InitChessProgram(&first, FALSE);
14686 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14687 boards[0][EP_STATUS] = EP_NONE;
14688 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14689 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14690 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14691 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14692 } else boards[0][CASTLING][2] = NoRights;
14693 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14694 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14695 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14696 } else boards[0][CASTLING][5] = NoRights;
14697 if(gameInfo.variant == VariantSChess) {
14699 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14700 boards[0][VIRGIN][i] = 0;
14701 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14702 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14706 SendToProgram("force\n", &first);
14707 if (blackPlaysFirst) {
14708 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14709 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14710 currentMove = forwardMostMove = backwardMostMove = 1;
14711 CopyBoard(boards[1], boards[0]);
14713 currentMove = forwardMostMove = backwardMostMove = 0;
14715 SendBoard(&first, forwardMostMove);
14716 if (appData.debugMode) {
14717 fprintf(debugFP, "EditPosDone\n");
14720 DisplayMessage("", "");
14721 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14722 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14723 gameMode = EditGame;
14725 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14726 ClearHighlights(); /* [AS] */
14729 /* Pause for `ms' milliseconds */
14730 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14732 TimeDelay (long ms)
14739 } while (SubtractTimeMarks(&m2, &m1) < ms);
14742 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14744 SendMultiLineToICS (char *buf)
14746 char temp[MSG_SIZ+1], *p;
14753 strncpy(temp, buf, len);
14758 if (*p == '\n' || *p == '\r')
14763 strcat(temp, "\n");
14765 SendToPlayer(temp, strlen(temp));
14769 SetWhiteToPlayEvent ()
14771 if (gameMode == EditPosition) {
14772 blackPlaysFirst = FALSE;
14773 DisplayBothClocks(); /* works because currentMove is 0 */
14774 } else if (gameMode == IcsExamining) {
14775 SendToICS(ics_prefix);
14776 SendToICS("tomove white\n");
14781 SetBlackToPlayEvent ()
14783 if (gameMode == EditPosition) {
14784 blackPlaysFirst = TRUE;
14785 currentMove = 1; /* kludge */
14786 DisplayBothClocks();
14788 } else if (gameMode == IcsExamining) {
14789 SendToICS(ics_prefix);
14790 SendToICS("tomove black\n");
14795 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14798 ChessSquare piece = boards[0][y][x];
14799 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14800 static int lastVariant;
14802 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14804 switch (selection) {
14806 CopyBoard(currentBoard, boards[0]);
14807 CopyBoard(menuBoard, initialPosition);
14808 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14809 SendToICS(ics_prefix);
14810 SendToICS("bsetup clear\n");
14811 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14812 SendToICS(ics_prefix);
14813 SendToICS("clearboard\n");
14816 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14817 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14818 for (y = 0; y < BOARD_HEIGHT; y++) {
14819 if (gameMode == IcsExamining) {
14820 if (boards[currentMove][y][x] != EmptySquare) {
14821 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14826 if(boards[0][y][x] != p) nonEmpty++;
14827 boards[0][y][x] = p;
14830 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14832 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14833 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14834 ChessSquare p = menuBoard[0][x];
14835 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
14836 p = menuBoard[BOARD_HEIGHT-1][x];
14837 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
14839 DisplayMessage("Clicking clock again restores position", "");
14840 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
14841 if(!nonEmpty) { // asked to clear an empty board
14842 CopyBoard(boards[0], menuBoard);
14844 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
14845 CopyBoard(boards[0], initialPosition);
14847 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
14848 && !CompareBoards(nullBoard, erasedBoard)) {
14849 CopyBoard(boards[0], erasedBoard);
14851 CopyBoard(erasedBoard, currentBoard);
14855 if (gameMode == EditPosition) {
14856 DrawPosition(FALSE, boards[0]);
14861 SetWhiteToPlayEvent();
14865 SetBlackToPlayEvent();
14869 if (gameMode == IcsExamining) {
14870 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14871 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14874 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14875 if(x == BOARD_LEFT-2) {
14876 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14877 boards[0][y][1] = 0;
14879 if(x == BOARD_RGHT+1) {
14880 if(y >= gameInfo.holdingsSize) break;
14881 boards[0][y][BOARD_WIDTH-2] = 0;
14884 boards[0][y][x] = EmptySquare;
14885 DrawPosition(FALSE, boards[0]);
14890 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14891 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14892 selection = (ChessSquare) (PROMOTED piece);
14893 } else if(piece == EmptySquare) selection = WhiteSilver;
14894 else selection = (ChessSquare)((int)piece - 1);
14898 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14899 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14900 selection = (ChessSquare) (DEMOTED piece);
14901 } else if(piece == EmptySquare) selection = BlackSilver;
14902 else selection = (ChessSquare)((int)piece + 1);
14907 if(gameInfo.variant == VariantShatranj ||
14908 gameInfo.variant == VariantXiangqi ||
14909 gameInfo.variant == VariantCourier ||
14910 gameInfo.variant == VariantASEAN ||
14911 gameInfo.variant == VariantMakruk )
14912 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14917 if(gameInfo.variant == VariantXiangqi)
14918 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14919 if(gameInfo.variant == VariantKnightmate)
14920 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14923 if (gameMode == IcsExamining) {
14924 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14925 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14926 PieceToChar(selection), AAA + x, ONE + y);
14929 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14931 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14932 n = PieceToNumber(selection - BlackPawn);
14933 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14934 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14935 boards[0][BOARD_HEIGHT-1-n][1]++;
14937 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14938 n = PieceToNumber(selection);
14939 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14940 boards[0][n][BOARD_WIDTH-1] = selection;
14941 boards[0][n][BOARD_WIDTH-2]++;
14944 boards[0][y][x] = selection;
14945 DrawPosition(TRUE, boards[0]);
14947 fromX = fromY = -1;
14955 DropMenuEvent (ChessSquare selection, int x, int y)
14957 ChessMove moveType;
14959 switch (gameMode) {
14960 case IcsPlayingWhite:
14961 case MachinePlaysBlack:
14962 if (!WhiteOnMove(currentMove)) {
14963 DisplayMoveError(_("It is Black's turn"));
14966 moveType = WhiteDrop;
14968 case IcsPlayingBlack:
14969 case MachinePlaysWhite:
14970 if (WhiteOnMove(currentMove)) {
14971 DisplayMoveError(_("It is White's turn"));
14974 moveType = BlackDrop;
14977 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14983 if (moveType == BlackDrop && selection < BlackPawn) {
14984 selection = (ChessSquare) ((int) selection
14985 + (int) BlackPawn - (int) WhitePawn);
14987 if (boards[currentMove][y][x] != EmptySquare) {
14988 DisplayMoveError(_("That square is occupied"));
14992 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14998 /* Accept a pending offer of any kind from opponent */
15000 if (appData.icsActive) {
15001 SendToICS(ics_prefix);
15002 SendToICS("accept\n");
15003 } else if (cmailMsgLoaded) {
15004 if (currentMove == cmailOldMove &&
15005 commentList[cmailOldMove] != NULL &&
15006 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15007 "Black offers a draw" : "White offers a draw")) {
15009 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15010 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15012 DisplayError(_("There is no pending offer on this move"), 0);
15013 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15016 /* Not used for offers from chess program */
15023 /* Decline a pending offer of any kind from opponent */
15025 if (appData.icsActive) {
15026 SendToICS(ics_prefix);
15027 SendToICS("decline\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 AppendComment(cmailOldMove, "Draw declined", TRUE);
15035 DisplayComment(cmailOldMove - 1, "Draw declined");
15038 DisplayError(_("There is no pending offer on this move"), 0);
15041 /* Not used for offers from chess program */
15048 /* Issue ICS rematch command */
15049 if (appData.icsActive) {
15050 SendToICS(ics_prefix);
15051 SendToICS("rematch\n");
15058 /* Call your opponent's flag (claim a win on time) */
15059 if (appData.icsActive) {
15060 SendToICS(ics_prefix);
15061 SendToICS("flag\n");
15063 switch (gameMode) {
15066 case MachinePlaysWhite:
15069 GameEnds(GameIsDrawn, "Both players ran out of time",
15072 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15074 DisplayError(_("Your opponent is not out of time"), 0);
15077 case MachinePlaysBlack:
15080 GameEnds(GameIsDrawn, "Both players ran out of time",
15083 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15085 DisplayError(_("Your opponent is not out of time"), 0);
15093 ClockClick (int which)
15094 { // [HGM] code moved to back-end from winboard.c
15095 if(which) { // black clock
15096 if (gameMode == EditPosition || gameMode == IcsExamining) {
15097 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15098 SetBlackToPlayEvent();
15099 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15100 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15101 } else if (shiftKey) {
15102 AdjustClock(which, -1);
15103 } else if (gameMode == IcsPlayingWhite ||
15104 gameMode == MachinePlaysBlack) {
15107 } else { // white clock
15108 if (gameMode == EditPosition || gameMode == IcsExamining) {
15109 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15110 SetWhiteToPlayEvent();
15111 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15112 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15113 } else if (shiftKey) {
15114 AdjustClock(which, -1);
15115 } else if (gameMode == IcsPlayingBlack ||
15116 gameMode == MachinePlaysWhite) {
15125 /* Offer draw or accept pending draw offer from opponent */
15127 if (appData.icsActive) {
15128 /* Note: tournament rules require draw offers to be
15129 made after you make your move but before you punch
15130 your clock. Currently ICS doesn't let you do that;
15131 instead, you immediately punch your clock after making
15132 a move, but you can offer a draw at any time. */
15134 SendToICS(ics_prefix);
15135 SendToICS("draw\n");
15136 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15137 } else if (cmailMsgLoaded) {
15138 if (currentMove == cmailOldMove &&
15139 commentList[cmailOldMove] != NULL &&
15140 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15141 "Black offers a draw" : "White offers a draw")) {
15142 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15143 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15144 } else if (currentMove == cmailOldMove + 1) {
15145 char *offer = WhiteOnMove(cmailOldMove) ?
15146 "White offers a draw" : "Black offers a draw";
15147 AppendComment(currentMove, offer, TRUE);
15148 DisplayComment(currentMove - 1, offer);
15149 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15151 DisplayError(_("You must make your move before offering a draw"), 0);
15152 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15154 } else if (first.offeredDraw) {
15155 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15157 if (first.sendDrawOffers) {
15158 SendToProgram("draw\n", &first);
15159 userOfferedDraw = TRUE;
15167 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15169 if (appData.icsActive) {
15170 SendToICS(ics_prefix);
15171 SendToICS("adjourn\n");
15173 /* Currently GNU Chess doesn't offer or accept Adjourns */
15181 /* Offer Abort or accept pending Abort offer from opponent */
15183 if (appData.icsActive) {
15184 SendToICS(ics_prefix);
15185 SendToICS("abort\n");
15187 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15194 /* Resign. You can do this even if it's not your turn. */
15196 if (appData.icsActive) {
15197 SendToICS(ics_prefix);
15198 SendToICS("resign\n");
15200 switch (gameMode) {
15201 case MachinePlaysWhite:
15202 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15204 case MachinePlaysBlack:
15205 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15208 if (cmailMsgLoaded) {
15210 if (WhiteOnMove(cmailOldMove)) {
15211 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15213 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15215 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15226 StopObservingEvent ()
15228 /* Stop observing current games */
15229 SendToICS(ics_prefix);
15230 SendToICS("unobserve\n");
15234 StopExaminingEvent ()
15236 /* Stop observing current game */
15237 SendToICS(ics_prefix);
15238 SendToICS("unexamine\n");
15242 ForwardInner (int target)
15244 int limit; int oldSeekGraphUp = seekGraphUp;
15246 if (appData.debugMode)
15247 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15248 target, currentMove, forwardMostMove);
15250 if (gameMode == EditPosition)
15253 seekGraphUp = FALSE;
15254 MarkTargetSquares(1);
15256 if (gameMode == PlayFromGameFile && !pausing)
15259 if (gameMode == IcsExamining && pausing)
15260 limit = pauseExamForwardMostMove;
15262 limit = forwardMostMove;
15264 if (target > limit) target = limit;
15266 if (target > 0 && moveList[target - 1][0]) {
15267 int fromX, fromY, toX, toY;
15268 toX = moveList[target - 1][2] - AAA;
15269 toY = moveList[target - 1][3] - ONE;
15270 if (moveList[target - 1][1] == '@') {
15271 if (appData.highlightLastMove) {
15272 SetHighlights(-1, -1, toX, toY);
15275 fromX = moveList[target - 1][0] - AAA;
15276 fromY = moveList[target - 1][1] - ONE;
15277 if (target == currentMove + 1) {
15278 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15280 if (appData.highlightLastMove) {
15281 SetHighlights(fromX, fromY, toX, toY);
15285 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15286 gameMode == Training || gameMode == PlayFromGameFile ||
15287 gameMode == AnalyzeFile) {
15288 while (currentMove < target) {
15289 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15290 SendMoveToProgram(currentMove++, &first);
15293 currentMove = target;
15296 if (gameMode == EditGame || gameMode == EndOfGame) {
15297 whiteTimeRemaining = timeRemaining[0][currentMove];
15298 blackTimeRemaining = timeRemaining[1][currentMove];
15300 DisplayBothClocks();
15301 DisplayMove(currentMove - 1);
15302 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15303 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15304 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15305 DisplayComment(currentMove - 1, commentList[currentMove]);
15307 ClearMap(); // [HGM] exclude: invalidate map
15314 if (gameMode == IcsExamining && !pausing) {
15315 SendToICS(ics_prefix);
15316 SendToICS("forward\n");
15318 ForwardInner(currentMove + 1);
15325 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15326 /* to optimze, we temporarily turn off analysis mode while we feed
15327 * the remaining moves to the engine. Otherwise we get analysis output
15330 if (first.analysisSupport) {
15331 SendToProgram("exit\nforce\n", &first);
15332 first.analyzing = FALSE;
15336 if (gameMode == IcsExamining && !pausing) {
15337 SendToICS(ics_prefix);
15338 SendToICS("forward 999999\n");
15340 ForwardInner(forwardMostMove);
15343 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15344 /* we have fed all the moves, so reactivate analysis mode */
15345 SendToProgram("analyze\n", &first);
15346 first.analyzing = TRUE;
15347 /*first.maybeThinking = TRUE;*/
15348 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15353 BackwardInner (int target)
15355 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15357 if (appData.debugMode)
15358 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15359 target, currentMove, forwardMostMove);
15361 if (gameMode == EditPosition) return;
15362 seekGraphUp = FALSE;
15363 MarkTargetSquares(1);
15364 if (currentMove <= backwardMostMove) {
15366 DrawPosition(full_redraw, boards[currentMove]);
15369 if (gameMode == PlayFromGameFile && !pausing)
15372 if (moveList[target][0]) {
15373 int fromX, fromY, toX, toY;
15374 toX = moveList[target][2] - AAA;
15375 toY = moveList[target][3] - ONE;
15376 if (moveList[target][1] == '@') {
15377 if (appData.highlightLastMove) {
15378 SetHighlights(-1, -1, toX, toY);
15381 fromX = moveList[target][0] - AAA;
15382 fromY = moveList[target][1] - ONE;
15383 if (target == currentMove - 1) {
15384 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15386 if (appData.highlightLastMove) {
15387 SetHighlights(fromX, fromY, toX, toY);
15391 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15392 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15393 while (currentMove > target) {
15394 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15395 // null move cannot be undone. Reload program with move history before it.
15397 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15398 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15400 SendBoard(&first, i);
15401 if(second.analyzing) SendBoard(&second, i);
15402 for(currentMove=i; currentMove<target; currentMove++) {
15403 SendMoveToProgram(currentMove, &first);
15404 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15408 SendToBoth("undo\n");
15412 currentMove = target;
15415 if (gameMode == EditGame || gameMode == EndOfGame) {
15416 whiteTimeRemaining = timeRemaining[0][currentMove];
15417 blackTimeRemaining = timeRemaining[1][currentMove];
15419 DisplayBothClocks();
15420 DisplayMove(currentMove - 1);
15421 DrawPosition(full_redraw, boards[currentMove]);
15422 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15423 // [HGM] PV info: routine tests if comment empty
15424 DisplayComment(currentMove - 1, commentList[currentMove]);
15425 ClearMap(); // [HGM] exclude: invalidate map
15431 if (gameMode == IcsExamining && !pausing) {
15432 SendToICS(ics_prefix);
15433 SendToICS("backward\n");
15435 BackwardInner(currentMove - 1);
15442 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15443 /* to optimize, we temporarily turn off analysis mode while we undo
15444 * all the moves. Otherwise we get analysis output after each undo.
15446 if (first.analysisSupport) {
15447 SendToProgram("exit\nforce\n", &first);
15448 first.analyzing = FALSE;
15452 if (gameMode == IcsExamining && !pausing) {
15453 SendToICS(ics_prefix);
15454 SendToICS("backward 999999\n");
15456 BackwardInner(backwardMostMove);
15459 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15460 /* we have fed all the moves, so reactivate analysis mode */
15461 SendToProgram("analyze\n", &first);
15462 first.analyzing = TRUE;
15463 /*first.maybeThinking = TRUE;*/
15464 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15471 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15472 if (to >= forwardMostMove) to = forwardMostMove;
15473 if (to <= backwardMostMove) to = backwardMostMove;
15474 if (to < currentMove) {
15482 RevertEvent (Boolean annotate)
15484 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15487 if (gameMode != IcsExamining) {
15488 DisplayError(_("You are not examining a game"), 0);
15492 DisplayError(_("You can't revert while pausing"), 0);
15495 SendToICS(ics_prefix);
15496 SendToICS("revert\n");
15500 RetractMoveEvent ()
15502 switch (gameMode) {
15503 case MachinePlaysWhite:
15504 case MachinePlaysBlack:
15505 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15506 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15509 if (forwardMostMove < 2) return;
15510 currentMove = forwardMostMove = forwardMostMove - 2;
15511 whiteTimeRemaining = timeRemaining[0][currentMove];
15512 blackTimeRemaining = timeRemaining[1][currentMove];
15513 DisplayBothClocks();
15514 DisplayMove(currentMove - 1);
15515 ClearHighlights();/*!! could figure this out*/
15516 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15517 SendToProgram("remove\n", &first);
15518 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15521 case BeginningOfGame:
15525 case IcsPlayingWhite:
15526 case IcsPlayingBlack:
15527 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15528 SendToICS(ics_prefix);
15529 SendToICS("takeback 2\n");
15531 SendToICS(ics_prefix);
15532 SendToICS("takeback 1\n");
15541 ChessProgramState *cps;
15543 switch (gameMode) {
15544 case MachinePlaysWhite:
15545 if (!WhiteOnMove(forwardMostMove)) {
15546 DisplayError(_("It is your turn"), 0);
15551 case MachinePlaysBlack:
15552 if (WhiteOnMove(forwardMostMove)) {
15553 DisplayError(_("It is your turn"), 0);
15558 case TwoMachinesPlay:
15559 if (WhiteOnMove(forwardMostMove) ==
15560 (first.twoMachinesColor[0] == 'w')) {
15566 case BeginningOfGame:
15570 SendToProgram("?\n", cps);
15574 TruncateGameEvent ()
15577 if (gameMode != EditGame) return;
15584 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15585 if (forwardMostMove > currentMove) {
15586 if (gameInfo.resultDetails != NULL) {
15587 free(gameInfo.resultDetails);
15588 gameInfo.resultDetails = NULL;
15589 gameInfo.result = GameUnfinished;
15591 forwardMostMove = currentMove;
15592 HistorySet(parseList, backwardMostMove, forwardMostMove,
15600 if (appData.noChessProgram) return;
15601 switch (gameMode) {
15602 case MachinePlaysWhite:
15603 if (WhiteOnMove(forwardMostMove)) {
15604 DisplayError(_("Wait until your turn."), 0);
15608 case BeginningOfGame:
15609 case MachinePlaysBlack:
15610 if (!WhiteOnMove(forwardMostMove)) {
15611 DisplayError(_("Wait until your turn."), 0);
15616 DisplayError(_("No hint available"), 0);
15619 SendToProgram("hint\n", &first);
15620 hintRequested = TRUE;
15626 ListGame * lg = (ListGame *) gameList.head;
15629 static int secondTime = FALSE;
15631 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15632 DisplayError(_("Game list not loaded or empty"), 0);
15636 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15639 DisplayNote(_("Book file exists! Try again for overwrite."));
15643 creatingBook = TRUE;
15644 secondTime = FALSE;
15646 /* Get list size */
15647 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15648 LoadGame(f, nItem, "", TRUE);
15649 AddGameToBook(TRUE);
15650 lg = (ListGame *) lg->node.succ;
15653 creatingBook = FALSE;
15660 if (appData.noChessProgram) return;
15661 switch (gameMode) {
15662 case MachinePlaysWhite:
15663 if (WhiteOnMove(forwardMostMove)) {
15664 DisplayError(_("Wait until your turn."), 0);
15668 case BeginningOfGame:
15669 case MachinePlaysBlack:
15670 if (!WhiteOnMove(forwardMostMove)) {
15671 DisplayError(_("Wait until your turn."), 0);
15676 EditPositionDone(TRUE);
15678 case TwoMachinesPlay:
15683 SendToProgram("bk\n", &first);
15684 bookOutput[0] = NULLCHAR;
15685 bookRequested = TRUE;
15691 char *tags = PGNTags(&gameInfo);
15692 TagsPopUp(tags, CmailMsg());
15696 /* end button procedures */
15699 PrintPosition (FILE *fp, int move)
15703 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15704 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15705 char c = PieceToChar(boards[move][i][j]);
15706 fputc(c == 'x' ? '.' : c, fp);
15707 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15710 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15711 fprintf(fp, "white to play\n");
15713 fprintf(fp, "black to play\n");
15717 PrintOpponents (FILE *fp)
15719 if (gameInfo.white != NULL) {
15720 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15726 /* Find last component of program's own name, using some heuristics */
15728 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15731 int local = (strcmp(host, "localhost") == 0);
15732 while (!local && (p = strchr(prog, ';')) != NULL) {
15734 while (*p == ' ') p++;
15737 if (*prog == '"' || *prog == '\'') {
15738 q = strchr(prog + 1, *prog);
15740 q = strchr(prog, ' ');
15742 if (q == NULL) q = prog + strlen(prog);
15744 while (p >= prog && *p != '/' && *p != '\\') p--;
15746 if(p == prog && *p == '"') p++;
15748 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15749 memcpy(buf, p, q - p);
15750 buf[q - p] = NULLCHAR;
15758 TimeControlTagValue ()
15761 if (!appData.clockMode) {
15762 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15763 } else if (movesPerSession > 0) {
15764 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15765 } else if (timeIncrement == 0) {
15766 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15768 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15770 return StrSave(buf);
15776 /* This routine is used only for certain modes */
15777 VariantClass v = gameInfo.variant;
15778 ChessMove r = GameUnfinished;
15781 if(keepInfo) return;
15783 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15784 r = gameInfo.result;
15785 p = gameInfo.resultDetails;
15786 gameInfo.resultDetails = NULL;
15788 ClearGameInfo(&gameInfo);
15789 gameInfo.variant = v;
15791 switch (gameMode) {
15792 case MachinePlaysWhite:
15793 gameInfo.event = StrSave( appData.pgnEventHeader );
15794 gameInfo.site = StrSave(HostName());
15795 gameInfo.date = PGNDate();
15796 gameInfo.round = StrSave("-");
15797 gameInfo.white = StrSave(first.tidy);
15798 gameInfo.black = StrSave(UserName());
15799 gameInfo.timeControl = TimeControlTagValue();
15802 case MachinePlaysBlack:
15803 gameInfo.event = StrSave( appData.pgnEventHeader );
15804 gameInfo.site = StrSave(HostName());
15805 gameInfo.date = PGNDate();
15806 gameInfo.round = StrSave("-");
15807 gameInfo.white = StrSave(UserName());
15808 gameInfo.black = StrSave(first.tidy);
15809 gameInfo.timeControl = TimeControlTagValue();
15812 case TwoMachinesPlay:
15813 gameInfo.event = StrSave( appData.pgnEventHeader );
15814 gameInfo.site = StrSave(HostName());
15815 gameInfo.date = PGNDate();
15818 snprintf(buf, MSG_SIZ, "%d", roundNr);
15819 gameInfo.round = StrSave(buf);
15821 gameInfo.round = StrSave("-");
15823 if (first.twoMachinesColor[0] == 'w') {
15824 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15825 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15827 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15828 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15830 gameInfo.timeControl = TimeControlTagValue();
15834 gameInfo.event = StrSave("Edited game");
15835 gameInfo.site = StrSave(HostName());
15836 gameInfo.date = PGNDate();
15837 gameInfo.round = StrSave("-");
15838 gameInfo.white = StrSave("-");
15839 gameInfo.black = StrSave("-");
15840 gameInfo.result = r;
15841 gameInfo.resultDetails = p;
15845 gameInfo.event = StrSave("Edited position");
15846 gameInfo.site = StrSave(HostName());
15847 gameInfo.date = PGNDate();
15848 gameInfo.round = StrSave("-");
15849 gameInfo.white = StrSave("-");
15850 gameInfo.black = StrSave("-");
15853 case IcsPlayingWhite:
15854 case IcsPlayingBlack:
15859 case PlayFromGameFile:
15860 gameInfo.event = StrSave("Game from non-PGN file");
15861 gameInfo.site = StrSave(HostName());
15862 gameInfo.date = PGNDate();
15863 gameInfo.round = StrSave("-");
15864 gameInfo.white = StrSave("?");
15865 gameInfo.black = StrSave("?");
15874 ReplaceComment (int index, char *text)
15880 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15881 pvInfoList[index-1].depth == len &&
15882 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15883 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15884 while (*text == '\n') text++;
15885 len = strlen(text);
15886 while (len > 0 && text[len - 1] == '\n') len--;
15888 if (commentList[index] != NULL)
15889 free(commentList[index]);
15892 commentList[index] = NULL;
15895 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15896 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15897 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15898 commentList[index] = (char *) malloc(len + 2);
15899 strncpy(commentList[index], text, len);
15900 commentList[index][len] = '\n';
15901 commentList[index][len + 1] = NULLCHAR;
15903 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15905 commentList[index] = (char *) malloc(len + 7);
15906 safeStrCpy(commentList[index], "{\n", 3);
15907 safeStrCpy(commentList[index]+2, text, len+1);
15908 commentList[index][len+2] = NULLCHAR;
15909 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15910 strcat(commentList[index], "\n}\n");
15915 CrushCRs (char *text)
15923 if (ch == '\r') continue;
15925 } while (ch != '\0');
15929 AppendComment (int index, char *text, Boolean addBraces)
15930 /* addBraces tells if we should add {} */
15935 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15936 if(addBraces == 3) addBraces = 0; else // force appending literally
15937 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15940 while (*text == '\n') text++;
15941 len = strlen(text);
15942 while (len > 0 && text[len - 1] == '\n') len--;
15943 text[len] = NULLCHAR;
15945 if (len == 0) return;
15947 if (commentList[index] != NULL) {
15948 Boolean addClosingBrace = addBraces;
15949 old = commentList[index];
15950 oldlen = strlen(old);
15951 while(commentList[index][oldlen-1] == '\n')
15952 commentList[index][--oldlen] = NULLCHAR;
15953 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15954 safeStrCpy(commentList[index], old, oldlen + len + 6);
15956 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15957 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15958 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15959 while (*text == '\n') { text++; len--; }
15960 commentList[index][--oldlen] = NULLCHAR;
15962 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15963 else strcat(commentList[index], "\n");
15964 strcat(commentList[index], text);
15965 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15966 else strcat(commentList[index], "\n");
15968 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15970 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15971 else commentList[index][0] = NULLCHAR;
15972 strcat(commentList[index], text);
15973 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15974 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15979 FindStr (char * text, char * sub_text)
15981 char * result = strstr( text, sub_text );
15983 if( result != NULL ) {
15984 result += strlen( sub_text );
15990 /* [AS] Try to extract PV info from PGN comment */
15991 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15993 GetInfoFromComment (int index, char * text)
15995 char * sep = text, *p;
15997 if( text != NULL && index > 0 ) {
16000 int time = -1, sec = 0, deci;
16001 char * s_eval = FindStr( text, "[%eval " );
16002 char * s_emt = FindStr( text, "[%emt " );
16004 if( s_eval != NULL || s_emt != NULL ) {
16006 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16011 if( s_eval != NULL ) {
16012 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16016 if( delim != ']' ) {
16021 if( s_emt != NULL ) {
16026 /* We expect something like: [+|-]nnn.nn/dd */
16029 if(*text != '{') return text; // [HGM] braces: must be normal comment
16031 sep = strchr( text, '/' );
16032 if( sep == NULL || sep < (text+4) ) {
16037 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16038 if(p[1] == '(') { // comment starts with PV
16039 p = strchr(p, ')'); // locate end of PV
16040 if(p == NULL || sep < p+5) return text;
16041 // at this point we have something like "{(.*) +0.23/6 ..."
16042 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16043 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16044 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16046 time = -1; sec = -1; deci = -1;
16047 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16048 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16049 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16050 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16054 if( score_lo < 0 || score_lo >= 100 ) {
16058 if(sec >= 0) time = 600*time + 10*sec; else
16059 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16061 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16063 /* [HGM] PV time: now locate end of PV info */
16064 while( *++sep >= '0' && *sep <= '9'); // strip depth
16066 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16068 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16070 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16071 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16082 pvInfoList[index-1].depth = depth;
16083 pvInfoList[index-1].score = score;
16084 pvInfoList[index-1].time = 10*time; // centi-sec
16085 if(*sep == '}') *sep = 0; else *--sep = '{';
16086 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16092 SendToProgram (char *message, ChessProgramState *cps)
16094 int count, outCount, error;
16097 if (cps->pr == NoProc) return;
16100 if (appData.debugMode) {
16103 fprintf(debugFP, "%ld >%-6s: %s",
16104 SubtractTimeMarks(&now, &programStartTime),
16105 cps->which, message);
16107 fprintf(serverFP, "%ld >%-6s: %s",
16108 SubtractTimeMarks(&now, &programStartTime),
16109 cps->which, message), fflush(serverFP);
16112 count = strlen(message);
16113 outCount = OutputToProcess(cps->pr, message, count, &error);
16114 if (outCount < count && !exiting
16115 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16116 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16117 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16118 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16119 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16120 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16121 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16122 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16124 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16125 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16126 gameInfo.result = res;
16128 gameInfo.resultDetails = StrSave(buf);
16130 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16131 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16136 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16140 ChessProgramState *cps = (ChessProgramState *)closure;
16142 if (isr != cps->isr) return; /* Killed intentionally */
16145 RemoveInputSource(cps->isr);
16146 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16147 _(cps->which), cps->program);
16148 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16149 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16150 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16151 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16152 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16153 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16155 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16156 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16157 gameInfo.result = res;
16159 gameInfo.resultDetails = StrSave(buf);
16161 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16162 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16164 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16165 _(cps->which), cps->program);
16166 RemoveInputSource(cps->isr);
16168 /* [AS] Program is misbehaving badly... kill it */
16169 if( count == -2 ) {
16170 DestroyChildProcess( cps->pr, 9 );
16174 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16179 if ((end_str = strchr(message, '\r')) != NULL)
16180 *end_str = NULLCHAR;
16181 if ((end_str = strchr(message, '\n')) != NULL)
16182 *end_str = NULLCHAR;
16184 if (appData.debugMode) {
16185 TimeMark now; int print = 1;
16186 char *quote = ""; char c; int i;
16188 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16189 char start = message[0];
16190 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16191 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16192 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16193 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16194 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16195 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16196 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16197 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16198 sscanf(message, "hint: %c", &c)!=1 &&
16199 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16200 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16201 print = (appData.engineComments >= 2);
16203 message[0] = start; // restore original message
16207 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16208 SubtractTimeMarks(&now, &programStartTime), cps->which,
16212 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16213 SubtractTimeMarks(&now, &programStartTime), cps->which,
16215 message), fflush(serverFP);
16219 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16220 if (appData.icsEngineAnalyze) {
16221 if (strstr(message, "whisper") != NULL ||
16222 strstr(message, "kibitz") != NULL ||
16223 strstr(message, "tellics") != NULL) return;
16226 HandleMachineMove(message, cps);
16231 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16236 if( timeControl_2 > 0 ) {
16237 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16238 tc = timeControl_2;
16241 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16242 inc /= cps->timeOdds;
16243 st /= cps->timeOdds;
16245 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16248 /* Set exact time per move, normally using st command */
16249 if (cps->stKludge) {
16250 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16252 if (seconds == 0) {
16253 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16255 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16258 snprintf(buf, MSG_SIZ, "st %d\n", st);
16261 /* Set conventional or incremental time control, using level command */
16262 if (seconds == 0) {
16263 /* Note old gnuchess bug -- minutes:seconds used to not work.
16264 Fixed in later versions, but still avoid :seconds
16265 when seconds is 0. */
16266 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16268 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16269 seconds, inc/1000.);
16272 SendToProgram(buf, cps);
16274 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16275 /* Orthogonally, limit search to given depth */
16277 if (cps->sdKludge) {
16278 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16280 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16282 SendToProgram(buf, cps);
16285 if(cps->nps >= 0) { /* [HGM] nps */
16286 if(cps->supportsNPS == FALSE)
16287 cps->nps = -1; // don't use if engine explicitly says not supported!
16289 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16290 SendToProgram(buf, cps);
16295 ChessProgramState *
16297 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16299 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16300 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16306 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16308 char message[MSG_SIZ];
16311 /* Note: this routine must be called when the clocks are stopped
16312 or when they have *just* been set or switched; otherwise
16313 it will be off by the time since the current tick started.
16315 if (machineWhite) {
16316 time = whiteTimeRemaining / 10;
16317 otime = blackTimeRemaining / 10;
16319 time = blackTimeRemaining / 10;
16320 otime = whiteTimeRemaining / 10;
16322 /* [HGM] translate opponent's time by time-odds factor */
16323 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16325 if (time <= 0) time = 1;
16326 if (otime <= 0) otime = 1;
16328 snprintf(message, MSG_SIZ, "time %ld\n", time);
16329 SendToProgram(message, cps);
16331 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16332 SendToProgram(message, cps);
16336 EngineDefinedVariant (ChessProgramState *cps, int n)
16337 { // return name of n-th unknown variant that engine supports
16338 static char buf[MSG_SIZ];
16339 char *p, *s = cps->variants;
16340 if(!s) return NULL;
16341 do { // parse string from variants feature
16343 p = strchr(s, ',');
16344 if(p) *p = NULLCHAR;
16345 v = StringToVariant(s);
16346 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16347 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16348 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16351 if(n < 0) return buf;
16357 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16360 int len = strlen(name);
16363 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16365 sscanf(*p, "%d", &val);
16367 while (**p && **p != ' ')
16369 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16370 SendToProgram(buf, cps);
16377 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16380 int len = strlen(name);
16381 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16383 sscanf(*p, "%d", loc);
16384 while (**p && **p != ' ') (*p)++;
16385 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16386 SendToProgram(buf, cps);
16393 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16396 int len = strlen(name);
16397 if (strncmp((*p), name, len) == 0
16398 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16400 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16401 sscanf(*p, "%[^\"]", *loc);
16402 while (**p && **p != '\"') (*p)++;
16403 if (**p == '\"') (*p)++;
16404 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16405 SendToProgram(buf, cps);
16412 ParseOption (Option *opt, ChessProgramState *cps)
16413 // [HGM] options: process the string that defines an engine option, and determine
16414 // name, type, default value, and allowed value range
16416 char *p, *q, buf[MSG_SIZ];
16417 int n, min = (-1)<<31, max = 1<<31, def;
16419 if(p = strstr(opt->name, " -spin ")) {
16420 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16421 if(max < min) max = min; // enforce consistency
16422 if(def < min) def = min;
16423 if(def > max) def = max;
16428 } else if((p = strstr(opt->name, " -slider "))) {
16429 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16430 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16431 if(max < min) max = min; // enforce consistency
16432 if(def < min) def = min;
16433 if(def > max) def = max;
16437 opt->type = Spin; // Slider;
16438 } else if((p = strstr(opt->name, " -string "))) {
16439 opt->textValue = p+9;
16440 opt->type = TextBox;
16441 } else if((p = strstr(opt->name, " -file "))) {
16442 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16443 opt->textValue = p+7;
16444 opt->type = FileName; // FileName;
16445 } else if((p = strstr(opt->name, " -path "))) {
16446 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16447 opt->textValue = p+7;
16448 opt->type = PathName; // PathName;
16449 } else if(p = strstr(opt->name, " -check ")) {
16450 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16451 opt->value = (def != 0);
16452 opt->type = CheckBox;
16453 } else if(p = strstr(opt->name, " -combo ")) {
16454 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16455 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16456 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16457 opt->value = n = 0;
16458 while(q = StrStr(q, " /// ")) {
16459 n++; *q = 0; // count choices, and null-terminate each of them
16461 if(*q == '*') { // remember default, which is marked with * prefix
16465 cps->comboList[cps->comboCnt++] = q;
16467 cps->comboList[cps->comboCnt++] = NULL;
16469 opt->type = ComboBox;
16470 } else if(p = strstr(opt->name, " -button")) {
16471 opt->type = Button;
16472 } else if(p = strstr(opt->name, " -save")) {
16473 opt->type = SaveButton;
16474 } else return FALSE;
16475 *p = 0; // terminate option name
16476 // now look if the command-line options define a setting for this engine option.
16477 if(cps->optionSettings && cps->optionSettings[0])
16478 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16479 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16480 snprintf(buf, MSG_SIZ, "option %s", p);
16481 if(p = strstr(buf, ",")) *p = 0;
16482 if(q = strchr(buf, '=')) switch(opt->type) {
16484 for(n=0; n<opt->max; n++)
16485 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16488 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16492 opt->value = atoi(q+1);
16497 SendToProgram(buf, cps);
16503 FeatureDone (ChessProgramState *cps, int val)
16505 DelayedEventCallback cb = GetDelayedEvent();
16506 if ((cb == InitBackEnd3 && cps == &first) ||
16507 (cb == SettingsMenuIfReady && cps == &second) ||
16508 (cb == LoadEngine) ||
16509 (cb == TwoMachinesEventIfReady)) {
16510 CancelDelayedEvent();
16511 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16513 cps->initDone = val;
16514 if(val) cps->reload = FALSE;
16517 /* Parse feature command from engine */
16519 ParseFeatures (char *args, ChessProgramState *cps)
16527 while (*p == ' ') p++;
16528 if (*p == NULLCHAR) return;
16530 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16531 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16532 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16533 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16534 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16535 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16536 if (BoolFeature(&p, "reuse", &val, cps)) {
16537 /* Engine can disable reuse, but can't enable it if user said no */
16538 if (!val) cps->reuse = FALSE;
16541 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16542 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16543 if (gameMode == TwoMachinesPlay) {
16544 DisplayTwoMachinesTitle();
16550 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16551 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16552 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16553 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16554 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16555 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16556 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16557 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16558 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16559 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16560 if (IntFeature(&p, "done", &val, cps)) {
16561 FeatureDone(cps, val);
16564 /* Added by Tord: */
16565 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16566 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16567 /* End of additions by Tord */
16569 /* [HGM] added features: */
16570 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16571 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16572 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16573 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16574 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16575 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16576 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16577 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16578 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16579 FREE(cps->option[cps->nrOptions].name);
16580 cps->option[cps->nrOptions].name = q; q = NULL;
16581 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16582 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16583 SendToProgram(buf, cps);
16586 if(cps->nrOptions >= MAX_OPTIONS) {
16588 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16589 DisplayError(buf, 0);
16593 /* End of additions by HGM */
16595 /* unknown feature: complain and skip */
16597 while (*q && *q != '=') q++;
16598 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16599 SendToProgram(buf, cps);
16605 while (*p && *p != '\"') p++;
16606 if (*p == '\"') p++;
16608 while (*p && *p != ' ') p++;
16616 PeriodicUpdatesEvent (int newState)
16618 if (newState == appData.periodicUpdates)
16621 appData.periodicUpdates=newState;
16623 /* Display type changes, so update it now */
16624 // DisplayAnalysis();
16626 /* Get the ball rolling again... */
16628 AnalysisPeriodicEvent(1);
16629 StartAnalysisClock();
16634 PonderNextMoveEvent (int newState)
16636 if (newState == appData.ponderNextMove) return;
16637 if (gameMode == EditPosition) EditPositionDone(TRUE);
16639 SendToProgram("hard\n", &first);
16640 if (gameMode == TwoMachinesPlay) {
16641 SendToProgram("hard\n", &second);
16644 SendToProgram("easy\n", &first);
16645 thinkOutput[0] = NULLCHAR;
16646 if (gameMode == TwoMachinesPlay) {
16647 SendToProgram("easy\n", &second);
16650 appData.ponderNextMove = newState;
16654 NewSettingEvent (int option, int *feature, char *command, int value)
16658 if (gameMode == EditPosition) EditPositionDone(TRUE);
16659 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16660 if(feature == NULL || *feature) SendToProgram(buf, &first);
16661 if (gameMode == TwoMachinesPlay) {
16662 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16667 ShowThinkingEvent ()
16668 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16670 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16671 int newState = appData.showThinking
16672 // [HGM] thinking: other features now need thinking output as well
16673 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16675 if (oldState == newState) return;
16676 oldState = newState;
16677 if (gameMode == EditPosition) EditPositionDone(TRUE);
16679 SendToProgram("post\n", &first);
16680 if (gameMode == TwoMachinesPlay) {
16681 SendToProgram("post\n", &second);
16684 SendToProgram("nopost\n", &first);
16685 thinkOutput[0] = NULLCHAR;
16686 if (gameMode == TwoMachinesPlay) {
16687 SendToProgram("nopost\n", &second);
16690 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16694 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16696 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16697 if (pr == NoProc) return;
16698 AskQuestion(title, question, replyPrefix, pr);
16702 TypeInEvent (char firstChar)
16704 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16705 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16706 gameMode == AnalyzeMode || gameMode == EditGame ||
16707 gameMode == EditPosition || gameMode == IcsExamining ||
16708 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16709 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16710 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16711 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16712 gameMode == Training) PopUpMoveDialog(firstChar);
16716 TypeInDoneEvent (char *move)
16719 int n, fromX, fromY, toX, toY;
16721 ChessMove moveType;
16724 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16725 EditPositionPasteFEN(move);
16728 // [HGM] movenum: allow move number to be typed in any mode
16729 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16733 // undocumented kludge: allow command-line option to be typed in!
16734 // (potentially fatal, and does not implement the effect of the option.)
16735 // should only be used for options that are values on which future decisions will be made,
16736 // and definitely not on options that would be used during initialization.
16737 if(strstr(move, "!!! -") == move) {
16738 ParseArgsFromString(move+4);
16742 if (gameMode != EditGame && currentMove != forwardMostMove &&
16743 gameMode != Training) {
16744 DisplayMoveError(_("Displayed move is not current"));
16746 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16747 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16748 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16749 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16750 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16751 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16753 DisplayMoveError(_("Could not parse move"));
16759 DisplayMove (int moveNumber)
16761 char message[MSG_SIZ];
16763 char cpThinkOutput[MSG_SIZ];
16765 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16767 if (moveNumber == forwardMostMove - 1 ||
16768 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16770 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16772 if (strchr(cpThinkOutput, '\n')) {
16773 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16776 *cpThinkOutput = NULLCHAR;
16779 /* [AS] Hide thinking from human user */
16780 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16781 *cpThinkOutput = NULLCHAR;
16782 if( thinkOutput[0] != NULLCHAR ) {
16785 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16786 cpThinkOutput[i] = '.';
16788 cpThinkOutput[i] = NULLCHAR;
16789 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16793 if (moveNumber == forwardMostMove - 1 &&
16794 gameInfo.resultDetails != NULL) {
16795 if (gameInfo.resultDetails[0] == NULLCHAR) {
16796 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16798 snprintf(res, MSG_SIZ, " {%s} %s",
16799 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16805 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16806 DisplayMessage(res, cpThinkOutput);
16808 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16809 WhiteOnMove(moveNumber) ? " " : ".. ",
16810 parseList[moveNumber], res);
16811 DisplayMessage(message, cpThinkOutput);
16816 DisplayComment (int moveNumber, char *text)
16818 char title[MSG_SIZ];
16820 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16821 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16823 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16824 WhiteOnMove(moveNumber) ? " " : ".. ",
16825 parseList[moveNumber]);
16827 if (text != NULL && (appData.autoDisplayComment || commentUp))
16828 CommentPopUp(title, text);
16831 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16832 * might be busy thinking or pondering. It can be omitted if your
16833 * gnuchess is configured to stop thinking immediately on any user
16834 * input. However, that gnuchess feature depends on the FIONREAD
16835 * ioctl, which does not work properly on some flavors of Unix.
16838 Attention (ChessProgramState *cps)
16841 if (!cps->useSigint) return;
16842 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16843 switch (gameMode) {
16844 case MachinePlaysWhite:
16845 case MachinePlaysBlack:
16846 case TwoMachinesPlay:
16847 case IcsPlayingWhite:
16848 case IcsPlayingBlack:
16851 /* Skip if we know it isn't thinking */
16852 if (!cps->maybeThinking) return;
16853 if (appData.debugMode)
16854 fprintf(debugFP, "Interrupting %s\n", cps->which);
16855 InterruptChildProcess(cps->pr);
16856 cps->maybeThinking = FALSE;
16861 #endif /*ATTENTION*/
16867 if (whiteTimeRemaining <= 0) {
16870 if (appData.icsActive) {
16871 if (appData.autoCallFlag &&
16872 gameMode == IcsPlayingBlack && !blackFlag) {
16873 SendToICS(ics_prefix);
16874 SendToICS("flag\n");
16878 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16880 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16881 if (appData.autoCallFlag) {
16882 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16889 if (blackTimeRemaining <= 0) {
16892 if (appData.icsActive) {
16893 if (appData.autoCallFlag &&
16894 gameMode == IcsPlayingWhite && !whiteFlag) {
16895 SendToICS(ics_prefix);
16896 SendToICS("flag\n");
16900 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16902 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16903 if (appData.autoCallFlag) {
16904 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16915 CheckTimeControl ()
16917 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16918 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16921 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16923 if ( !WhiteOnMove(forwardMostMove) ) {
16924 /* White made time control */
16925 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16926 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16927 /* [HGM] time odds: correct new time quota for time odds! */
16928 / WhitePlayer()->timeOdds;
16929 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16931 lastBlack -= blackTimeRemaining;
16932 /* Black made time control */
16933 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16934 / WhitePlayer()->other->timeOdds;
16935 lastWhite = whiteTimeRemaining;
16940 DisplayBothClocks ()
16942 int wom = gameMode == EditPosition ?
16943 !blackPlaysFirst : WhiteOnMove(currentMove);
16944 DisplayWhiteClock(whiteTimeRemaining, wom);
16945 DisplayBlackClock(blackTimeRemaining, !wom);
16949 /* Timekeeping seems to be a portability nightmare. I think everyone
16950 has ftime(), but I'm really not sure, so I'm including some ifdefs
16951 to use other calls if you don't. Clocks will be less accurate if
16952 you have neither ftime nor gettimeofday.
16955 /* VS 2008 requires the #include outside of the function */
16956 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16957 #include <sys/timeb.h>
16960 /* Get the current time as a TimeMark */
16962 GetTimeMark (TimeMark *tm)
16964 #if HAVE_GETTIMEOFDAY
16966 struct timeval timeVal;
16967 struct timezone timeZone;
16969 gettimeofday(&timeVal, &timeZone);
16970 tm->sec = (long) timeVal.tv_sec;
16971 tm->ms = (int) (timeVal.tv_usec / 1000L);
16973 #else /*!HAVE_GETTIMEOFDAY*/
16976 // include <sys/timeb.h> / moved to just above start of function
16977 struct timeb timeB;
16980 tm->sec = (long) timeB.time;
16981 tm->ms = (int) timeB.millitm;
16983 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16984 tm->sec = (long) time(NULL);
16990 /* Return the difference in milliseconds between two
16991 time marks. We assume the difference will fit in a long!
16994 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16996 return 1000L*(tm2->sec - tm1->sec) +
16997 (long) (tm2->ms - tm1->ms);
17002 * Code to manage the game clocks.
17004 * In tournament play, black starts the clock and then white makes a move.
17005 * We give the human user a slight advantage if he is playing white---the
17006 * clocks don't run until he makes his first move, so it takes zero time.
17007 * Also, we don't account for network lag, so we could get out of sync
17008 * with GNU Chess's clock -- but then, referees are always right.
17011 static TimeMark tickStartTM;
17012 static long intendedTickLength;
17015 NextTickLength (long timeRemaining)
17017 long nominalTickLength, nextTickLength;
17019 if (timeRemaining > 0L && timeRemaining <= 10000L)
17020 nominalTickLength = 100L;
17022 nominalTickLength = 1000L;
17023 nextTickLength = timeRemaining % nominalTickLength;
17024 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17026 return nextTickLength;
17029 /* Adjust clock one minute up or down */
17031 AdjustClock (Boolean which, int dir)
17033 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17034 if(which) blackTimeRemaining += 60000*dir;
17035 else whiteTimeRemaining += 60000*dir;
17036 DisplayBothClocks();
17037 adjustedClock = TRUE;
17040 /* Stop clocks and reset to a fresh time control */
17044 (void) StopClockTimer();
17045 if (appData.icsActive) {
17046 whiteTimeRemaining = blackTimeRemaining = 0;
17047 } else if (searchTime) {
17048 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17049 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17050 } else { /* [HGM] correct new time quote for time odds */
17051 whiteTC = blackTC = fullTimeControlString;
17052 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17053 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17055 if (whiteFlag || blackFlag) {
17057 whiteFlag = blackFlag = FALSE;
17059 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17060 DisplayBothClocks();
17061 adjustedClock = FALSE;
17064 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17066 /* Decrement running clock by amount of time that has passed */
17070 long timeRemaining;
17071 long lastTickLength, fudge;
17074 if (!appData.clockMode) return;
17075 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17079 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17081 /* Fudge if we woke up a little too soon */
17082 fudge = intendedTickLength - lastTickLength;
17083 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17085 if (WhiteOnMove(forwardMostMove)) {
17086 if(whiteNPS >= 0) lastTickLength = 0;
17087 timeRemaining = whiteTimeRemaining -= lastTickLength;
17088 if(timeRemaining < 0 && !appData.icsActive) {
17089 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17090 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17091 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17092 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17095 DisplayWhiteClock(whiteTimeRemaining - fudge,
17096 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17098 if(blackNPS >= 0) lastTickLength = 0;
17099 timeRemaining = blackTimeRemaining -= lastTickLength;
17100 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17101 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17103 blackStartMove = forwardMostMove;
17104 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17107 DisplayBlackClock(blackTimeRemaining - fudge,
17108 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17110 if (CheckFlags()) return;
17112 if(twoBoards) { // count down secondary board's clocks as well
17113 activePartnerTime -= lastTickLength;
17115 if(activePartner == 'W')
17116 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17118 DisplayBlackClock(activePartnerTime, TRUE);
17123 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17124 StartClockTimer(intendedTickLength);
17126 /* if the time remaining has fallen below the alarm threshold, sound the
17127 * alarm. if the alarm has sounded and (due to a takeback or time control
17128 * with increment) the time remaining has increased to a level above the
17129 * threshold, reset the alarm so it can sound again.
17132 if (appData.icsActive && appData.icsAlarm) {
17134 /* make sure we are dealing with the user's clock */
17135 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17136 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17139 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17140 alarmSounded = FALSE;
17141 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17143 alarmSounded = TRUE;
17149 /* A player has just moved, so stop the previously running
17150 clock and (if in clock mode) start the other one.
17151 We redisplay both clocks in case we're in ICS mode, because
17152 ICS gives us an update to both clocks after every move.
17153 Note that this routine is called *after* forwardMostMove
17154 is updated, so the last fractional tick must be subtracted
17155 from the color that is *not* on move now.
17158 SwitchClocks (int newMoveNr)
17160 long lastTickLength;
17162 int flagged = FALSE;
17166 if (StopClockTimer() && appData.clockMode) {
17167 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17168 if (!WhiteOnMove(forwardMostMove)) {
17169 if(blackNPS >= 0) lastTickLength = 0;
17170 blackTimeRemaining -= lastTickLength;
17171 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17172 // if(pvInfoList[forwardMostMove].time == -1)
17173 pvInfoList[forwardMostMove].time = // use GUI time
17174 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17176 if(whiteNPS >= 0) lastTickLength = 0;
17177 whiteTimeRemaining -= lastTickLength;
17178 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17179 // if(pvInfoList[forwardMostMove].time == -1)
17180 pvInfoList[forwardMostMove].time =
17181 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17183 flagged = CheckFlags();
17185 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17186 CheckTimeControl();
17188 if (flagged || !appData.clockMode) return;
17190 switch (gameMode) {
17191 case MachinePlaysBlack:
17192 case MachinePlaysWhite:
17193 case BeginningOfGame:
17194 if (pausing) return;
17198 case PlayFromGameFile:
17206 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17207 if(WhiteOnMove(forwardMostMove))
17208 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17209 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17213 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17214 whiteTimeRemaining : blackTimeRemaining);
17215 StartClockTimer(intendedTickLength);
17219 /* Stop both clocks */
17223 long lastTickLength;
17226 if (!StopClockTimer()) return;
17227 if (!appData.clockMode) return;
17231 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17232 if (WhiteOnMove(forwardMostMove)) {
17233 if(whiteNPS >= 0) lastTickLength = 0;
17234 whiteTimeRemaining -= lastTickLength;
17235 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17237 if(blackNPS >= 0) lastTickLength = 0;
17238 blackTimeRemaining -= lastTickLength;
17239 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17244 /* Start clock of player on move. Time may have been reset, so
17245 if clock is already running, stop and restart it. */
17249 (void) StopClockTimer(); /* in case it was running already */
17250 DisplayBothClocks();
17251 if (CheckFlags()) return;
17253 if (!appData.clockMode) return;
17254 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17256 GetTimeMark(&tickStartTM);
17257 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17258 whiteTimeRemaining : blackTimeRemaining);
17260 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17261 whiteNPS = blackNPS = -1;
17262 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17263 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17264 whiteNPS = first.nps;
17265 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17266 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17267 blackNPS = first.nps;
17268 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17269 whiteNPS = second.nps;
17270 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17271 blackNPS = second.nps;
17272 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17274 StartClockTimer(intendedTickLength);
17278 TimeString (long ms)
17280 long second, minute, hour, day;
17282 static char buf[32];
17284 if (ms > 0 && ms <= 9900) {
17285 /* convert milliseconds to tenths, rounding up */
17286 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17288 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17292 /* convert milliseconds to seconds, rounding up */
17293 /* use floating point to avoid strangeness of integer division
17294 with negative dividends on many machines */
17295 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17302 day = second / (60 * 60 * 24);
17303 second = second % (60 * 60 * 24);
17304 hour = second / (60 * 60);
17305 second = second % (60 * 60);
17306 minute = second / 60;
17307 second = second % 60;
17310 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17311 sign, day, hour, minute, second);
17313 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17315 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17322 * This is necessary because some C libraries aren't ANSI C compliant yet.
17325 StrStr (char *string, char *match)
17329 length = strlen(match);
17331 for (i = strlen(string) - length; i >= 0; i--, string++)
17332 if (!strncmp(match, string, length))
17339 StrCaseStr (char *string, char *match)
17343 length = strlen(match);
17345 for (i = strlen(string) - length; i >= 0; i--, string++) {
17346 for (j = 0; j < length; j++) {
17347 if (ToLower(match[j]) != ToLower(string[j]))
17350 if (j == length) return string;
17358 StrCaseCmp (char *s1, char *s2)
17363 c1 = ToLower(*s1++);
17364 c2 = ToLower(*s2++);
17365 if (c1 > c2) return 1;
17366 if (c1 < c2) return -1;
17367 if (c1 == NULLCHAR) return 0;
17375 return isupper(c) ? tolower(c) : c;
17382 return islower(c) ? toupper(c) : c;
17384 #endif /* !_amigados */
17391 if ((ret = (char *) malloc(strlen(s) + 1)))
17393 safeStrCpy(ret, s, strlen(s)+1);
17399 StrSavePtr (char *s, char **savePtr)
17404 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17405 safeStrCpy(*savePtr, s, strlen(s)+1);
17417 clock = time((time_t *)NULL);
17418 tm = localtime(&clock);
17419 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17420 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17421 return StrSave(buf);
17426 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17428 int i, j, fromX, fromY, toX, toY;
17435 whiteToPlay = (gameMode == EditPosition) ?
17436 !blackPlaysFirst : (move % 2 == 0);
17439 /* Piece placement data */
17440 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17441 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17443 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17444 if (boards[move][i][j] == EmptySquare) {
17446 } else { ChessSquare piece = boards[move][i][j];
17447 if (emptycount > 0) {
17448 if(emptycount<10) /* [HGM] can be >= 10 */
17449 *p++ = '0' + emptycount;
17450 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17453 if(PieceToChar(piece) == '+') {
17454 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17456 piece = (ChessSquare)(DEMOTED piece);
17458 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17460 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17461 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17466 if (emptycount > 0) {
17467 if(emptycount<10) /* [HGM] can be >= 10 */
17468 *p++ = '0' + emptycount;
17469 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17476 /* [HGM] print Crazyhouse or Shogi holdings */
17477 if( gameInfo.holdingsWidth ) {
17478 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17480 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17481 piece = boards[move][i][BOARD_WIDTH-1];
17482 if( piece != EmptySquare )
17483 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17484 *p++ = PieceToChar(piece);
17486 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17487 piece = boards[move][BOARD_HEIGHT-i-1][0];
17488 if( piece != EmptySquare )
17489 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17490 *p++ = PieceToChar(piece);
17493 if( q == p ) *p++ = '-';
17499 *p++ = whiteToPlay ? 'w' : 'b';
17502 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17503 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17505 if(nrCastlingRights) {
17507 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17508 /* [HGM] write directly from rights */
17509 if(boards[move][CASTLING][2] != NoRights &&
17510 boards[move][CASTLING][0] != NoRights )
17511 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17512 if(boards[move][CASTLING][2] != NoRights &&
17513 boards[move][CASTLING][1] != NoRights )
17514 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17515 if(boards[move][CASTLING][5] != NoRights &&
17516 boards[move][CASTLING][3] != NoRights )
17517 *p++ = boards[move][CASTLING][3] + AAA;
17518 if(boards[move][CASTLING][5] != NoRights &&
17519 boards[move][CASTLING][4] != NoRights )
17520 *p++ = boards[move][CASTLING][4] + AAA;
17523 /* [HGM] write true castling rights */
17524 if( nrCastlingRights == 6 ) {
17526 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17527 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17528 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17529 boards[move][CASTLING][2] != NoRights );
17530 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17531 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17532 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17533 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17534 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17538 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17539 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17540 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17541 boards[move][CASTLING][5] != NoRights );
17542 if(gameInfo.variant == VariantSChess) {
17543 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17544 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17545 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17546 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17551 if (q == p) *p++ = '-'; /* No castling rights */
17555 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17556 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17557 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17558 /* En passant target square */
17559 if (move > backwardMostMove) {
17560 fromX = moveList[move - 1][0] - AAA;
17561 fromY = moveList[move - 1][1] - ONE;
17562 toX = moveList[move - 1][2] - AAA;
17563 toY = moveList[move - 1][3] - ONE;
17564 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17565 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17566 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17568 /* 2-square pawn move just happened */
17570 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17574 } else if(move == backwardMostMove) {
17575 // [HGM] perhaps we should always do it like this, and forget the above?
17576 if((signed char)boards[move][EP_STATUS] >= 0) {
17577 *p++ = boards[move][EP_STATUS] + AAA;
17578 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17590 { int i = 0, j=move;
17592 /* [HGM] find reversible plies */
17593 if (appData.debugMode) { int k;
17594 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17595 for(k=backwardMostMove; k<=forwardMostMove; k++)
17596 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17600 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17601 if( j == backwardMostMove ) i += initialRulePlies;
17602 sprintf(p, "%d ", i);
17603 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17605 /* Fullmove number */
17606 sprintf(p, "%d", (move / 2) + 1);
17607 } else *--p = NULLCHAR;
17609 return StrSave(buf);
17613 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17617 int emptycount, virgin[BOARD_FILES];
17622 /* Piece placement data */
17623 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17626 if (*p == '/' || *p == ' ' || *p == '[' ) {
17628 emptycount = gameInfo.boardWidth - j;
17629 while (emptycount--)
17630 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17631 if (*p == '/') p++;
17632 else if(autoSize) { // we stumbled unexpectedly into end of board
17633 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17634 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17636 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17639 #if(BOARD_FILES >= 10)
17640 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17641 p++; emptycount=10;
17642 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17643 while (emptycount--)
17644 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17646 } else if (*p == '*') {
17647 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17648 } else if (isdigit(*p)) {
17649 emptycount = *p++ - '0';
17650 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17651 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17652 while (emptycount--)
17653 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17654 } else if (*p == '+' || isalpha(*p)) {
17655 if (j >= gameInfo.boardWidth) return FALSE;
17657 piece = CharToPiece(*++p);
17658 if(piece == EmptySquare) return FALSE; /* unknown piece */
17659 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17660 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17661 } else piece = CharToPiece(*p++);
17663 if(piece==EmptySquare) return FALSE; /* unknown piece */
17664 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17665 piece = (ChessSquare) (PROMOTED piece);
17666 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17669 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17675 while (*p == '/' || *p == ' ') p++;
17677 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17679 /* [HGM] by default clear Crazyhouse holdings, if present */
17680 if(gameInfo.holdingsWidth) {
17681 for(i=0; i<BOARD_HEIGHT; i++) {
17682 board[i][0] = EmptySquare; /* black holdings */
17683 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17684 board[i][1] = (ChessSquare) 0; /* black counts */
17685 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17689 /* [HGM] look for Crazyhouse holdings here */
17690 while(*p==' ') p++;
17691 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17693 if(*p == '-' ) p++; /* empty holdings */ else {
17694 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17695 /* if we would allow FEN reading to set board size, we would */
17696 /* have to add holdings and shift the board read so far here */
17697 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17699 if((int) piece >= (int) BlackPawn ) {
17700 i = (int)piece - (int)BlackPawn;
17701 i = PieceToNumber((ChessSquare)i);
17702 if( i >= gameInfo.holdingsSize ) return FALSE;
17703 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17704 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17706 i = (int)piece - (int)WhitePawn;
17707 i = PieceToNumber((ChessSquare)i);
17708 if( i >= gameInfo.holdingsSize ) return FALSE;
17709 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17710 board[i][BOARD_WIDTH-2]++; /* black holdings */
17717 while(*p == ' ') p++;
17721 if(appData.colorNickNames) {
17722 if( c == appData.colorNickNames[0] ) c = 'w'; else
17723 if( c == appData.colorNickNames[1] ) c = 'b';
17727 *blackPlaysFirst = FALSE;
17730 *blackPlaysFirst = TRUE;
17736 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17737 /* return the extra info in global variiables */
17739 /* set defaults in case FEN is incomplete */
17740 board[EP_STATUS] = EP_UNKNOWN;
17741 for(i=0; i<nrCastlingRights; i++ ) {
17742 board[CASTLING][i] =
17743 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17744 } /* assume possible unless obviously impossible */
17745 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17746 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17747 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17748 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17749 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17750 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17751 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17752 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17755 while(*p==' ') p++;
17756 if(nrCastlingRights) {
17757 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17758 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17759 /* castling indicator present, so default becomes no castlings */
17760 for(i=0; i<nrCastlingRights; i++ ) {
17761 board[CASTLING][i] = NoRights;
17764 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17765 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17766 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17767 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17768 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17770 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17771 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17772 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17774 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17775 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17776 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17777 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17778 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17779 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17782 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17783 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17784 board[CASTLING][2] = whiteKingFile;
17785 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17786 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17789 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17790 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17791 board[CASTLING][2] = whiteKingFile;
17792 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17793 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17796 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17797 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17798 board[CASTLING][5] = blackKingFile;
17799 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17800 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17803 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17804 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17805 board[CASTLING][5] = blackKingFile;
17806 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17807 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17810 default: /* FRC castlings */
17811 if(c >= 'a') { /* black rights */
17812 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17813 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17814 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17815 if(i == BOARD_RGHT) break;
17816 board[CASTLING][5] = i;
17818 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17819 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17821 board[CASTLING][3] = c;
17823 board[CASTLING][4] = c;
17824 } else { /* white rights */
17825 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17826 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17827 if(board[0][i] == WhiteKing) break;
17828 if(i == BOARD_RGHT) break;
17829 board[CASTLING][2] = i;
17830 c -= AAA - 'a' + 'A';
17831 if(board[0][c] >= WhiteKing) break;
17833 board[CASTLING][0] = c;
17835 board[CASTLING][1] = c;
17839 for(i=0; i<nrCastlingRights; i++)
17840 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17841 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17842 if (appData.debugMode) {
17843 fprintf(debugFP, "FEN castling rights:");
17844 for(i=0; i<nrCastlingRights; i++)
17845 fprintf(debugFP, " %d", board[CASTLING][i]);
17846 fprintf(debugFP, "\n");
17849 while(*p==' ') p++;
17852 /* read e.p. field in games that know e.p. capture */
17853 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17854 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17855 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17857 p++; board[EP_STATUS] = EP_NONE;
17859 char c = *p++ - AAA;
17861 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17862 if(*p >= '0' && *p <='9') p++;
17863 board[EP_STATUS] = c;
17868 if(sscanf(p, "%d", &i) == 1) {
17869 FENrulePlies = i; /* 50-move ply counter */
17870 /* (The move number is still ignored) */
17877 EditPositionPasteFEN (char *fen)
17880 Board initial_position;
17882 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
17883 DisplayError(_("Bad FEN position in clipboard"), 0);
17886 int savedBlackPlaysFirst = blackPlaysFirst;
17887 EditPositionEvent();
17888 blackPlaysFirst = savedBlackPlaysFirst;
17889 CopyBoard(boards[0], initial_position);
17890 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17891 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17892 DisplayBothClocks();
17893 DrawPosition(FALSE, boards[currentMove]);
17898 static char cseq[12] = "\\ ";
17901 set_cont_sequence (char *new_seq)
17906 // handle bad attempts to set the sequence
17908 return 0; // acceptable error - no debug
17910 len = strlen(new_seq);
17911 ret = (len > 0) && (len < sizeof(cseq));
17913 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17914 else if (appData.debugMode)
17915 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17920 reformat a source message so words don't cross the width boundary. internal
17921 newlines are not removed. returns the wrapped size (no null character unless
17922 included in source message). If dest is NULL, only calculate the size required
17923 for the dest buffer. lp argument indicats line position upon entry, and it's
17924 passed back upon exit.
17927 wrap (char *dest, char *src, int count, int width, int *lp)
17929 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17931 cseq_len = strlen(cseq);
17932 old_line = line = *lp;
17933 ansi = len = clen = 0;
17935 for (i=0; i < count; i++)
17937 if (src[i] == '\033')
17940 // if we hit the width, back up
17941 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17943 // store i & len in case the word is too long
17944 old_i = i, old_len = len;
17946 // find the end of the last word
17947 while (i && src[i] != ' ' && src[i] != '\n')
17953 // word too long? restore i & len before splitting it
17954 if ((old_i-i+clen) >= width)
17961 if (i && src[i-1] == ' ')
17964 if (src[i] != ' ' && src[i] != '\n')
17971 // now append the newline and continuation sequence
17976 strncpy(dest+len, cseq, cseq_len);
17984 dest[len] = src[i];
17988 if (src[i] == '\n')
17993 if (dest && appData.debugMode)
17995 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17996 count, width, line, len, *lp);
17997 show_bytes(debugFP, src, count);
17998 fprintf(debugFP, "\ndest: ");
17999 show_bytes(debugFP, dest, len);
18000 fprintf(debugFP, "\n");
18002 *lp = dest ? line : old_line;
18007 // [HGM] vari: routines for shelving variations
18008 Boolean modeRestore = FALSE;
18011 PushInner (int firstMove, int lastMove)
18013 int i, j, nrMoves = lastMove - firstMove;
18015 // push current tail of game on stack
18016 savedResult[storedGames] = gameInfo.result;
18017 savedDetails[storedGames] = gameInfo.resultDetails;
18018 gameInfo.resultDetails = NULL;
18019 savedFirst[storedGames] = firstMove;
18020 savedLast [storedGames] = lastMove;
18021 savedFramePtr[storedGames] = framePtr;
18022 framePtr -= nrMoves; // reserve space for the boards
18023 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18024 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18025 for(j=0; j<MOVE_LEN; j++)
18026 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18027 for(j=0; j<2*MOVE_LEN; j++)
18028 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18029 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18030 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18031 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18032 pvInfoList[firstMove+i-1].depth = 0;
18033 commentList[framePtr+i] = commentList[firstMove+i];
18034 commentList[firstMove+i] = NULL;
18038 forwardMostMove = firstMove; // truncate game so we can start variation
18042 PushTail (int firstMove, int lastMove)
18044 if(appData.icsActive) { // only in local mode
18045 forwardMostMove = currentMove; // mimic old ICS behavior
18048 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18050 PushInner(firstMove, lastMove);
18051 if(storedGames == 1) GreyRevert(FALSE);
18052 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18056 PopInner (Boolean annotate)
18059 char buf[8000], moveBuf[20];
18061 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18062 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18063 nrMoves = savedLast[storedGames] - currentMove;
18066 if(!WhiteOnMove(currentMove))
18067 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18068 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18069 for(i=currentMove; i<forwardMostMove; i++) {
18071 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18072 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18073 strcat(buf, moveBuf);
18074 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18075 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18079 for(i=1; i<=nrMoves; i++) { // copy last variation back
18080 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18081 for(j=0; j<MOVE_LEN; j++)
18082 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18083 for(j=0; j<2*MOVE_LEN; j++)
18084 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18085 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18086 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18087 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18088 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18089 commentList[currentMove+i] = commentList[framePtr+i];
18090 commentList[framePtr+i] = NULL;
18092 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18093 framePtr = savedFramePtr[storedGames];
18094 gameInfo.result = savedResult[storedGames];
18095 if(gameInfo.resultDetails != NULL) {
18096 free(gameInfo.resultDetails);
18098 gameInfo.resultDetails = savedDetails[storedGames];
18099 forwardMostMove = currentMove + nrMoves;
18103 PopTail (Boolean annotate)
18105 if(appData.icsActive) return FALSE; // only in local mode
18106 if(!storedGames) return FALSE; // sanity
18107 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18109 PopInner(annotate);
18110 if(currentMove < forwardMostMove) ForwardEvent(); else
18111 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18113 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18119 { // remove all shelved variations
18121 for(i=0; i<storedGames; i++) {
18122 if(savedDetails[i])
18123 free(savedDetails[i]);
18124 savedDetails[i] = NULL;
18126 for(i=framePtr; i<MAX_MOVES; i++) {
18127 if(commentList[i]) free(commentList[i]);
18128 commentList[i] = NULL;
18130 framePtr = MAX_MOVES-1;
18135 LoadVariation (int index, char *text)
18136 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18137 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18138 int level = 0, move;
18140 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18141 // first find outermost bracketing variation
18142 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18143 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18144 if(*p == '{') wait = '}'; else
18145 if(*p == '[') wait = ']'; else
18146 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18147 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18149 if(*p == wait) wait = NULLCHAR; // closing ]} found
18152 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18153 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18154 end[1] = NULLCHAR; // clip off comment beyond variation
18155 ToNrEvent(currentMove-1);
18156 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18157 // kludge: use ParsePV() to append variation to game
18158 move = currentMove;
18159 ParsePV(start, TRUE, TRUE);
18160 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18161 ClearPremoveHighlights();
18163 ToNrEvent(currentMove+1);
18169 char *p, *q, buf[MSG_SIZ];
18170 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18171 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18172 ParseArgsFromString(buf);
18173 ActivateTheme(TRUE); // also redo colors
18177 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18180 q = appData.themeNames;
18181 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18182 if(appData.useBitmaps) {
18183 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18184 appData.liteBackTextureFile, appData.darkBackTextureFile,
18185 appData.liteBackTextureMode,
18186 appData.darkBackTextureMode );
18188 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18189 Col2Text(2), // lightSquareColor
18190 Col2Text(3) ); // darkSquareColor
18192 if(appData.useBorder) {
18193 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18196 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18198 if(appData.useFont) {
18199 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18200 appData.renderPiecesWithFont,
18201 appData.fontToPieceTable,
18202 Col2Text(9), // appData.fontBackColorWhite
18203 Col2Text(10) ); // appData.fontForeColorBlack
18205 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18206 appData.pieceDirectory);
18207 if(!appData.pieceDirectory[0])
18208 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18209 Col2Text(0), // whitePieceColor
18210 Col2Text(1) ); // blackPieceColor
18212 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18213 Col2Text(4), // highlightSquareColor
18214 Col2Text(5) ); // premoveHighlightColor
18215 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18216 if(insert != q) insert[-1] = NULLCHAR;
18217 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18220 ActivateTheme(FALSE);