2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
273 char lastMsg[MSG_SIZ];
274 ChessSquare pieceSweep = EmptySquare;
275 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
276 int promoDefaultAltered;
277 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
278 static int initPing = -1;
280 /* States for ics_getting_history */
282 #define H_REQUESTED 1
283 #define H_GOT_REQ_HEADER 2
284 #define H_GOT_UNREQ_HEADER 3
285 #define H_GETTING_MOVES 4
286 #define H_GOT_UNWANTED_HEADER 5
288 /* whosays values for GameEnds */
297 /* Maximum number of games in a cmail message */
298 #define CMAIL_MAX_GAMES 20
300 /* Different types of move when calling RegisterMove */
302 #define CMAIL_RESIGN 1
304 #define CMAIL_ACCEPT 3
306 /* Different types of result to remember for each game */
307 #define CMAIL_NOT_RESULT 0
308 #define CMAIL_OLD_RESULT 1
309 #define CMAIL_NEW_RESULT 2
311 /* Telnet protocol constants */
322 safeStrCpy (char *dst, const char *src, size_t count)
325 assert( dst != NULL );
326 assert( src != NULL );
329 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
330 if( i == count && dst[count-1] != NULLCHAR)
332 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
333 if(appData.debugMode)
334 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
340 /* Some compiler can't cast u64 to double
341 * This function do the job for us:
343 * We use the highest bit for cast, this only
344 * works if the highest bit is not
345 * in use (This should not happen)
347 * We used this for all compiler
350 u64ToDouble (u64 value)
353 u64 tmp = value & u64Const(0x7fffffffffffffff);
354 r = (double)(s64)tmp;
355 if (value & u64Const(0x8000000000000000))
356 r += 9.2233720368547758080e18; /* 2^63 */
360 /* Fake up flags for now, as we aren't keeping track of castling
361 availability yet. [HGM] Change of logic: the flag now only
362 indicates the type of castlings allowed by the rule of the game.
363 The actual rights themselves are maintained in the array
364 castlingRights, as part of the game history, and are not probed
370 int flags = F_ALL_CASTLE_OK;
371 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
372 switch (gameInfo.variant) {
374 flags &= ~F_ALL_CASTLE_OK;
375 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
376 flags |= F_IGNORE_CHECK;
378 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
381 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
383 case VariantKriegspiel:
384 flags |= F_KRIEGSPIEL_CAPTURE;
386 case VariantCapaRandom:
387 case VariantFischeRandom:
388 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
389 case VariantNoCastle:
390 case VariantShatranj:
395 flags &= ~F_ALL_CASTLE_OK;
403 FILE *gameFileFP, *debugFP, *serverFP;
404 char *currentDebugFile; // [HGM] debug split: to remember name
407 [AS] Note: sometimes, the sscanf() function is used to parse the input
408 into a fixed-size buffer. Because of this, we must be prepared to
409 receive strings as long as the size of the input buffer, which is currently
410 set to 4K for Windows and 8K for the rest.
411 So, we must either allocate sufficiently large buffers here, or
412 reduce the size of the input buffer in the input reading part.
415 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
416 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
417 char thinkOutput1[MSG_SIZ*10];
419 ChessProgramState first, second, pairing;
421 /* premove variables */
424 int premoveFromX = 0;
425 int premoveFromY = 0;
426 int premovePromoChar = 0;
428 Boolean alarmSounded;
429 /* end premove variables */
431 char *ics_prefix = "$";
432 enum ICS_TYPE ics_type = ICS_GENERIC;
434 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
435 int pauseExamForwardMostMove = 0;
436 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
437 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
438 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
439 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
440 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
441 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
442 int whiteFlag = FALSE, blackFlag = FALSE;
443 int userOfferedDraw = FALSE;
444 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
445 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
446 int cmailMoveType[CMAIL_MAX_GAMES];
447 long ics_clock_paused = 0;
448 ProcRef icsPR = NoProc, cmailPR = NoProc;
449 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
450 GameMode gameMode = BeginningOfGame;
451 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
452 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
453 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
454 int hiddenThinkOutputState = 0; /* [AS] */
455 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
456 int adjudicateLossPlies = 6;
457 char white_holding[64], black_holding[64];
458 TimeMark lastNodeCountTime;
459 long lastNodeCount=0;
460 int shiftKey, controlKey; // [HGM] set by mouse handler
462 int have_sent_ICS_logon = 0;
464 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
465 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
466 Boolean adjustedClock;
467 long timeControl_2; /* [AS] Allow separate time controls */
468 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
469 long timeRemaining[2][MAX_MOVES];
470 int matchGame = 0, nextGame = 0, roundNr = 0;
471 Boolean waitingForGame = FALSE, startingEngine = FALSE;
472 TimeMark programStartTime, pauseStart;
473 char ics_handle[MSG_SIZ];
474 int have_set_title = 0;
476 /* animateTraining preserves the state of appData.animate
477 * when Training mode is activated. This allows the
478 * response to be animated when appData.animate == TRUE and
479 * appData.animateDragging == TRUE.
481 Boolean animateTraining;
487 Board boards[MAX_MOVES];
488 /* [HGM] Following 7 needed for accurate legality tests: */
489 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
490 signed char initialRights[BOARD_FILES];
491 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
492 int initialRulePlies, FENrulePlies;
493 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
495 Boolean shuffleOpenings;
496 int mute; // mute all sounds
498 // [HGM] vari: next 12 to save and restore variations
499 #define MAX_VARIATIONS 10
500 int framePtr = MAX_MOVES-1; // points to free stack entry
502 int savedFirst[MAX_VARIATIONS];
503 int savedLast[MAX_VARIATIONS];
504 int savedFramePtr[MAX_VARIATIONS];
505 char *savedDetails[MAX_VARIATIONS];
506 ChessMove savedResult[MAX_VARIATIONS];
508 void PushTail P((int firstMove, int lastMove));
509 Boolean PopTail P((Boolean annotate));
510 void PushInner P((int firstMove, int lastMove));
511 void PopInner P((Boolean annotate));
512 void CleanupTail P((void));
514 ChessSquare FIDEArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackBishop, BlackKnight, BlackRook }
521 ChessSquare twoKingsArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
523 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
524 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
525 BlackKing, BlackKing, BlackKnight, BlackRook }
528 ChessSquare KnightmateArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
530 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
531 { BlackRook, BlackMan, BlackBishop, BlackQueen,
532 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
535 ChessSquare SpartanArray[2][BOARD_FILES] = {
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
539 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
542 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
543 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
544 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
545 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
546 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
549 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
551 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
553 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
556 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
557 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
558 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackMan, BlackFerz,
560 BlackKing, BlackMan, BlackKnight, BlackRook }
563 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
564 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
565 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackMan, BlackFerz,
567 BlackKing, BlackMan, BlackKnight, BlackRook }
570 ChessSquare lionArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
573 { BlackRook, BlackLion, BlackBishop, BlackQueen,
574 BlackKing, BlackBishop, BlackKnight, BlackRook }
578 #if (BOARD_FILES>=10)
579 ChessSquare ShogiArray[2][BOARD_FILES] = {
580 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
581 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
582 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
583 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
586 ChessSquare XiangqiArray[2][BOARD_FILES] = {
587 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
588 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
589 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
590 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
593 ChessSquare CapablancaArray[2][BOARD_FILES] = {
594 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
595 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
596 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
597 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
600 ChessSquare GreatArray[2][BOARD_FILES] = {
601 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
602 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
603 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
604 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
607 ChessSquare JanusArray[2][BOARD_FILES] = {
608 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
609 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
610 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
611 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
614 ChessSquare GrandArray[2][BOARD_FILES] = {
615 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
616 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
617 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
618 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
621 ChessSquare ChuChessArray[2][BOARD_FILES] = {
622 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
623 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
624 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
625 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
629 ChessSquare GothicArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
631 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
633 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
636 #define GothicArray CapablancaArray
640 ChessSquare FalconArray[2][BOARD_FILES] = {
641 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
642 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
643 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
644 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
647 #define FalconArray CapablancaArray
650 #else // !(BOARD_FILES>=10)
651 #define XiangqiPosition FIDEArray
652 #define CapablancaArray FIDEArray
653 #define GothicArray FIDEArray
654 #define GreatArray FIDEArray
655 #endif // !(BOARD_FILES>=10)
657 #if (BOARD_FILES>=12)
658 ChessSquare CourierArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
660 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
662 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
664 ChessSquare ChuArray[6][BOARD_FILES] = {
665 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
666 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
667 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
668 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
669 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
670 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
671 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
672 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
673 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
674 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
675 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
676 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
678 #else // !(BOARD_FILES>=12)
679 #define CourierArray CapablancaArray
680 #define ChuArray CapablancaArray
681 #endif // !(BOARD_FILES>=12)
684 Board initialPosition;
687 /* Convert str to a rating. Checks for special cases of "----",
689 "++++", etc. Also strips ()'s */
691 string_to_rating (char *str)
693 while(*str && !isdigit(*str)) ++str;
695 return 0; /* One of the special "no rating" cases */
703 /* Init programStats */
704 programStats.movelist[0] = 0;
705 programStats.depth = 0;
706 programStats.nr_moves = 0;
707 programStats.moves_left = 0;
708 programStats.nodes = 0;
709 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
710 programStats.score = 0;
711 programStats.got_only_move = 0;
712 programStats.got_fail = 0;
713 programStats.line_is_book = 0;
718 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
719 if (appData.firstPlaysBlack) {
720 first.twoMachinesColor = "black\n";
721 second.twoMachinesColor = "white\n";
723 first.twoMachinesColor = "white\n";
724 second.twoMachinesColor = "black\n";
727 first.other = &second;
728 second.other = &first;
731 if(appData.timeOddsMode) {
732 norm = appData.timeOdds[0];
733 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
735 first.timeOdds = appData.timeOdds[0]/norm;
736 second.timeOdds = appData.timeOdds[1]/norm;
739 if(programVersion) free(programVersion);
740 if (appData.noChessProgram) {
741 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
742 sprintf(programVersion, "%s", PACKAGE_STRING);
744 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
745 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
746 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
751 UnloadEngine (ChessProgramState *cps)
753 /* Kill off first chess program */
754 if (cps->isr != NULL)
755 RemoveInputSource(cps->isr);
758 if (cps->pr != NoProc) {
760 DoSleep( appData.delayBeforeQuit );
761 SendToProgram("quit\n", cps);
762 DoSleep( appData.delayAfterQuit );
763 DestroyChildProcess(cps->pr, cps->useSigterm);
766 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
770 ClearOptions (ChessProgramState *cps)
773 cps->nrOptions = cps->comboCnt = 0;
774 for(i=0; i<MAX_OPTIONS; i++) {
775 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
776 cps->option[i].textValue = 0;
780 char *engineNames[] = {
781 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
782 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
784 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
785 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
790 InitEngine (ChessProgramState *cps, int n)
791 { // [HGM] all engine initialiation put in a function that does one engine
795 cps->which = engineNames[n];
796 cps->maybeThinking = FALSE;
800 cps->sendDrawOffers = 1;
802 cps->program = appData.chessProgram[n];
803 cps->host = appData.host[n];
804 cps->dir = appData.directory[n];
805 cps->initString = appData.engInitString[n];
806 cps->computerString = appData.computerString[n];
807 cps->useSigint = TRUE;
808 cps->useSigterm = TRUE;
809 cps->reuse = appData.reuse[n];
810 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
811 cps->useSetboard = FALSE;
813 cps->usePing = FALSE;
816 cps->usePlayother = FALSE;
817 cps->useColors = TRUE;
818 cps->useUsermove = FALSE;
819 cps->sendICS = FALSE;
820 cps->sendName = appData.icsActive;
821 cps->sdKludge = FALSE;
822 cps->stKludge = FALSE;
823 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
824 TidyProgramName(cps->program, cps->host, cps->tidy);
826 ASSIGN(cps->variants, appData.variant);
827 cps->analysisSupport = 2; /* detect */
828 cps->analyzing = FALSE;
829 cps->initDone = FALSE;
832 /* New features added by Tord: */
833 cps->useFEN960 = FALSE;
834 cps->useOOCastle = TRUE;
835 /* End of new features added by Tord. */
836 cps->fenOverride = appData.fenOverride[n];
838 /* [HGM] time odds: set factor for each machine */
839 cps->timeOdds = appData.timeOdds[n];
841 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
842 cps->accumulateTC = appData.accumulateTC[n];
843 cps->maxNrOfSessions = 1;
848 cps->supportsNPS = UNKNOWN;
849 cps->memSize = FALSE;
850 cps->maxCores = FALSE;
851 ASSIGN(cps->egtFormats, "");
854 cps->optionSettings = appData.engOptions[n];
856 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
857 cps->isUCI = appData.isUCI[n]; /* [AS] */
858 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
861 if (appData.protocolVersion[n] > PROTOVER
862 || appData.protocolVersion[n] < 1)
867 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
868 appData.protocolVersion[n]);
869 if( (len >= MSG_SIZ) && appData.debugMode )
870 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
872 DisplayFatalError(buf, 0, 2);
876 cps->protocolVersion = appData.protocolVersion[n];
879 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
880 ParseFeatures(appData.featureDefaults, cps);
883 ChessProgramState *savCps;
891 if(WaitForEngine(savCps, LoadEngine)) return;
892 CommonEngineInit(); // recalculate time odds
893 if(gameInfo.variant != StringToVariant(appData.variant)) {
894 // we changed variant when loading the engine; this forces us to reset
895 Reset(TRUE, savCps != &first);
896 oldMode = BeginningOfGame; // to prevent restoring old mode
898 InitChessProgram(savCps, FALSE);
899 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
900 DisplayMessage("", "");
901 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
902 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
905 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
909 ReplaceEngine (ChessProgramState *cps, int n)
911 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
913 if(oldMode != BeginningOfGame) EditGameEvent();
916 appData.noChessProgram = FALSE;
917 appData.clockMode = TRUE;
920 if(n) return; // only startup first engine immediately; second can wait
921 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
925 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
926 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
928 static char resetOptions[] =
929 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
930 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
931 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
932 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
935 FloatToFront(char **list, char *engineLine)
937 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
939 if(appData.recentEngines <= 0) return;
940 TidyProgramName(engineLine, "localhost", tidy+1);
941 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
942 strncpy(buf+1, *list, MSG_SIZ-50);
943 if(p = strstr(buf, tidy)) { // tidy name appears in list
944 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
945 while(*p++ = *++q); // squeeze out
947 strcat(tidy, buf+1); // put list behind tidy name
948 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
949 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
950 ASSIGN(*list, tidy+1);
953 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
956 Load (ChessProgramState *cps, int i)
958 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
959 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
960 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
961 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
962 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
963 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
964 appData.firstProtocolVersion = PROTOVER;
965 ParseArgsFromString(buf);
967 ReplaceEngine(cps, i);
968 FloatToFront(&appData.recentEngineList, engineLine);
972 while(q = strchr(p, SLASH)) p = q+1;
973 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
974 if(engineDir[0] != NULLCHAR) {
975 ASSIGN(appData.directory[i], engineDir); p = engineName;
976 } else if(p != engineName) { // derive directory from engine path, when not given
978 ASSIGN(appData.directory[i], engineName);
980 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
981 } else { ASSIGN(appData.directory[i], "."); }
982 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
984 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
985 snprintf(command, MSG_SIZ, "%s %s", p, params);
988 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
989 ASSIGN(appData.chessProgram[i], p);
990 appData.isUCI[i] = isUCI;
991 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
992 appData.hasOwnBookUCI[i] = hasBook;
993 if(!nickName[0]) useNick = FALSE;
994 if(useNick) ASSIGN(appData.pgnName[i], nickName);
998 q = firstChessProgramNames;
999 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1000 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1001 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1002 quote, p, quote, appData.directory[i],
1003 useNick ? " -fn \"" : "",
1004 useNick ? nickName : "",
1005 useNick ? "\"" : "",
1006 v1 ? " -firstProtocolVersion 1" : "",
1007 hasBook ? "" : " -fNoOwnBookUCI",
1008 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1009 storeVariant ? " -variant " : "",
1010 storeVariant ? VariantName(gameInfo.variant) : "");
1011 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1012 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1013 if(insert != q) insert[-1] = NULLCHAR;
1014 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1016 FloatToFront(&appData.recentEngineList, buf);
1018 ReplaceEngine(cps, i);
1024 int matched, min, sec;
1026 * Parse timeControl resource
1028 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1029 appData.movesPerSession)) {
1031 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1032 DisplayFatalError(buf, 0, 2);
1036 * Parse searchTime resource
1038 if (*appData.searchTime != NULLCHAR) {
1039 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1041 searchTime = min * 60;
1042 } else if (matched == 2) {
1043 searchTime = min * 60 + sec;
1046 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1047 DisplayFatalError(buf, 0, 2);
1056 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1057 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1059 GetTimeMark(&programStartTime);
1060 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1061 appData.seedBase = random() + (random()<<15);
1062 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1064 ClearProgramStats();
1065 programStats.ok_to_send = 1;
1066 programStats.seen_stat = 0;
1069 * Initialize game list
1075 * Internet chess server status
1077 if (appData.icsActive) {
1078 appData.matchMode = FALSE;
1079 appData.matchGames = 0;
1081 appData.noChessProgram = !appData.zippyPlay;
1083 appData.zippyPlay = FALSE;
1084 appData.zippyTalk = FALSE;
1085 appData.noChessProgram = TRUE;
1087 if (*appData.icsHelper != NULLCHAR) {
1088 appData.useTelnet = TRUE;
1089 appData.telnetProgram = appData.icsHelper;
1092 appData.zippyTalk = appData.zippyPlay = FALSE;
1095 /* [AS] Initialize pv info list [HGM] and game state */
1099 for( i=0; i<=framePtr; i++ ) {
1100 pvInfoList[i].depth = -1;
1101 boards[i][EP_STATUS] = EP_NONE;
1102 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1108 /* [AS] Adjudication threshold */
1109 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1111 InitEngine(&first, 0);
1112 InitEngine(&second, 1);
1115 pairing.which = "pairing"; // pairing engine
1116 pairing.pr = NoProc;
1118 pairing.program = appData.pairingEngine;
1119 pairing.host = "localhost";
1122 if (appData.icsActive) {
1123 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1124 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1125 appData.clockMode = FALSE;
1126 first.sendTime = second.sendTime = 0;
1130 /* Override some settings from environment variables, for backward
1131 compatibility. Unfortunately it's not feasible to have the env
1132 vars just set defaults, at least in xboard. Ugh.
1134 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1139 if (!appData.icsActive) {
1143 /* Check for variants that are supported only in ICS mode,
1144 or not at all. Some that are accepted here nevertheless
1145 have bugs; see comments below.
1147 VariantClass variant = StringToVariant(appData.variant);
1149 case VariantBughouse: /* need four players and two boards */
1150 case VariantKriegspiel: /* need to hide pieces and move details */
1151 /* case VariantFischeRandom: (Fabien: moved below) */
1152 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1153 if( (len >= MSG_SIZ) && appData.debugMode )
1154 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1156 DisplayFatalError(buf, 0, 2);
1159 case VariantUnknown:
1160 case VariantLoadable:
1170 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1171 if( (len >= MSG_SIZ) && appData.debugMode )
1172 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1174 DisplayFatalError(buf, 0, 2);
1177 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1178 case VariantFairy: /* [HGM] TestLegality definitely off! */
1179 case VariantGothic: /* [HGM] should work */
1180 case VariantCapablanca: /* [HGM] should work */
1181 case VariantCourier: /* [HGM] initial forced moves not implemented */
1182 case VariantShogi: /* [HGM] could still mate with pawn drop */
1183 case VariantChu: /* [HGM] experimental */
1184 case VariantKnightmate: /* [HGM] should work */
1185 case VariantCylinder: /* [HGM] untested */
1186 case VariantFalcon: /* [HGM] untested */
1187 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1188 offboard interposition not understood */
1189 case VariantNormal: /* definitely works! */
1190 case VariantWildCastle: /* pieces not automatically shuffled */
1191 case VariantNoCastle: /* pieces not automatically shuffled */
1192 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1193 case VariantLosers: /* should work except for win condition,
1194 and doesn't know captures are mandatory */
1195 case VariantSuicide: /* should work except for win condition,
1196 and doesn't know captures are mandatory */
1197 case VariantGiveaway: /* should work except for win condition,
1198 and doesn't know captures are mandatory */
1199 case VariantTwoKings: /* should work */
1200 case VariantAtomic: /* should work except for win condition */
1201 case Variant3Check: /* should work except for win condition */
1202 case VariantShatranj: /* should work except for all win conditions */
1203 case VariantMakruk: /* should work except for draw countdown */
1204 case VariantASEAN : /* should work except for draw countdown */
1205 case VariantBerolina: /* might work if TestLegality is off */
1206 case VariantCapaRandom: /* should work */
1207 case VariantJanus: /* should work */
1208 case VariantSuper: /* experimental */
1209 case VariantGreat: /* experimental, requires legality testing to be off */
1210 case VariantSChess: /* S-Chess, should work */
1211 case VariantGrand: /* should work */
1212 case VariantSpartan: /* should work */
1213 case VariantLion: /* should work */
1214 case VariantChuChess: /* should work */
1222 NextIntegerFromString (char ** str, long * value)
1227 while( *s == ' ' || *s == '\t' ) {
1233 if( *s >= '0' && *s <= '9' ) {
1234 while( *s >= '0' && *s <= '9' ) {
1235 *value = *value * 10 + (*s - '0');
1248 NextTimeControlFromString (char ** str, long * value)
1251 int result = NextIntegerFromString( str, &temp );
1254 *value = temp * 60; /* Minutes */
1255 if( **str == ':' ) {
1257 result = NextIntegerFromString( str, &temp );
1258 *value += temp; /* Seconds */
1266 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1267 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1268 int result = -1, type = 0; long temp, temp2;
1270 if(**str != ':') return -1; // old params remain in force!
1272 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1273 if( NextIntegerFromString( str, &temp ) ) return -1;
1274 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1277 /* time only: incremental or sudden-death time control */
1278 if(**str == '+') { /* increment follows; read it */
1280 if(**str == '!') type = *(*str)++; // Bronstein TC
1281 if(result = NextIntegerFromString( str, &temp2)) return -1;
1282 *inc = temp2 * 1000;
1283 if(**str == '.') { // read fraction of increment
1284 char *start = ++(*str);
1285 if(result = NextIntegerFromString( str, &temp2)) return -1;
1287 while(start++ < *str) temp2 /= 10;
1291 *moves = 0; *tc = temp * 1000; *incType = type;
1295 (*str)++; /* classical time control */
1296 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1308 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1309 { /* [HGM] get time to add from the multi-session time-control string */
1310 int incType, moves=1; /* kludge to force reading of first session */
1311 long time, increment;
1314 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1316 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1317 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1318 if(movenr == -1) return time; /* last move before new session */
1319 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1320 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1321 if(!moves) return increment; /* current session is incremental */
1322 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1323 } while(movenr >= -1); /* try again for next session */
1325 return 0; // no new time quota on this move
1329 ParseTimeControl (char *tc, float ti, int mps)
1333 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1336 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1337 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1338 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1342 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1344 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1347 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1349 snprintf(buf, MSG_SIZ, ":%s", mytc);
1351 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1353 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1358 /* Parse second time control */
1361 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1369 timeControl_2 = tc2 * 1000;
1379 timeControl = tc1 * 1000;
1382 timeIncrement = ti * 1000; /* convert to ms */
1383 movesPerSession = 0;
1386 movesPerSession = mps;
1394 if (appData.debugMode) {
1395 # ifdef __GIT_VERSION
1396 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1398 fprintf(debugFP, "Version: %s\n", programVersion);
1401 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1403 set_cont_sequence(appData.wrapContSeq);
1404 if (appData.matchGames > 0) {
1405 appData.matchMode = TRUE;
1406 } else if (appData.matchMode) {
1407 appData.matchGames = 1;
1409 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1410 appData.matchGames = appData.sameColorGames;
1411 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1412 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1413 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1416 if (appData.noChessProgram || first.protocolVersion == 1) {
1419 /* kludge: allow timeout for initial "feature" commands */
1421 DisplayMessage("", _("Starting chess program"));
1422 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1427 CalculateIndex (int index, int gameNr)
1428 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1430 if(index > 0) return index; // fixed nmber
1431 if(index == 0) return 1;
1432 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1433 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1438 LoadGameOrPosition (int gameNr)
1439 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1440 if (*appData.loadGameFile != NULLCHAR) {
1441 if (!LoadGameFromFile(appData.loadGameFile,
1442 CalculateIndex(appData.loadGameIndex, gameNr),
1443 appData.loadGameFile, FALSE)) {
1444 DisplayFatalError(_("Bad game file"), 0, 1);
1447 } else if (*appData.loadPositionFile != NULLCHAR) {
1448 if (!LoadPositionFromFile(appData.loadPositionFile,
1449 CalculateIndex(appData.loadPositionIndex, gameNr),
1450 appData.loadPositionFile)) {
1451 DisplayFatalError(_("Bad position file"), 0, 1);
1459 ReserveGame (int gameNr, char resChar)
1461 FILE *tf = fopen(appData.tourneyFile, "r+");
1462 char *p, *q, c, buf[MSG_SIZ];
1463 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1464 safeStrCpy(buf, lastMsg, MSG_SIZ);
1465 DisplayMessage(_("Pick new game"), "");
1466 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1467 ParseArgsFromFile(tf);
1468 p = q = appData.results;
1469 if(appData.debugMode) {
1470 char *r = appData.participants;
1471 fprintf(debugFP, "results = '%s'\n", p);
1472 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1473 fprintf(debugFP, "\n");
1475 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1477 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1478 safeStrCpy(q, p, strlen(p) + 2);
1479 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1480 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1481 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1482 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1485 fseek(tf, -(strlen(p)+4), SEEK_END);
1487 if(c != '"') // depending on DOS or Unix line endings we can be one off
1488 fseek(tf, -(strlen(p)+2), SEEK_END);
1489 else fseek(tf, -(strlen(p)+3), SEEK_END);
1490 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1491 DisplayMessage(buf, "");
1492 free(p); appData.results = q;
1493 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1494 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1495 int round = appData.defaultMatchGames * appData.tourneyType;
1496 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1497 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1498 UnloadEngine(&first); // next game belongs to other pairing;
1499 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1501 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1505 MatchEvent (int mode)
1506 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1508 if(matchMode) { // already in match mode: switch it off
1510 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1513 // if(gameMode != BeginningOfGame) {
1514 // DisplayError(_("You can only start a match from the initial position."), 0);
1518 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1519 /* Set up machine vs. machine match */
1521 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1522 if(appData.tourneyFile[0]) {
1524 if(nextGame > appData.matchGames) {
1526 if(strchr(appData.results, '*') == NULL) {
1528 appData.tourneyCycles++;
1529 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1531 NextTourneyGame(-1, &dummy);
1533 if(nextGame <= appData.matchGames) {
1534 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1536 ScheduleDelayedEvent(NextMatchGame, 10000);
1541 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1542 DisplayError(buf, 0);
1543 appData.tourneyFile[0] = 0;
1547 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1548 DisplayFatalError(_("Can't have a match with no chess programs"),
1553 matchGame = roundNr = 1;
1554 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1558 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1561 InitBackEnd3 P((void))
1563 GameMode initialMode;
1567 InitChessProgram(&first, startedFromSetupPosition);
1569 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1570 free(programVersion);
1571 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1572 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1573 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1576 if (appData.icsActive) {
1578 /* [DM] Make a console window if needed [HGM] merged ifs */
1584 if (*appData.icsCommPort != NULLCHAR)
1585 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1586 appData.icsCommPort);
1588 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1589 appData.icsHost, appData.icsPort);
1591 if( (len >= MSG_SIZ) && appData.debugMode )
1592 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1594 DisplayFatalError(buf, err, 1);
1599 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1601 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1602 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1603 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1604 } else if (appData.noChessProgram) {
1610 if (*appData.cmailGameName != NULLCHAR) {
1612 OpenLoopback(&cmailPR);
1614 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1618 DisplayMessage("", "");
1619 if (StrCaseCmp(appData.initialMode, "") == 0) {
1620 initialMode = BeginningOfGame;
1621 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1622 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1623 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1624 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1627 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1628 initialMode = TwoMachinesPlay;
1629 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1630 initialMode = AnalyzeFile;
1631 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1632 initialMode = AnalyzeMode;
1633 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1634 initialMode = MachinePlaysWhite;
1635 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1636 initialMode = MachinePlaysBlack;
1637 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1638 initialMode = EditGame;
1639 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1640 initialMode = EditPosition;
1641 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1642 initialMode = Training;
1644 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1645 if( (len >= MSG_SIZ) && appData.debugMode )
1646 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1648 DisplayFatalError(buf, 0, 2);
1652 if (appData.matchMode) {
1653 if(appData.tourneyFile[0]) { // start tourney from command line
1655 if(f = fopen(appData.tourneyFile, "r")) {
1656 ParseArgsFromFile(f); // make sure tourney parmeters re known
1658 appData.clockMode = TRUE;
1660 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1663 } else if (*appData.cmailGameName != NULLCHAR) {
1664 /* Set up cmail mode */
1665 ReloadCmailMsgEvent(TRUE);
1667 /* Set up other modes */
1668 if (initialMode == AnalyzeFile) {
1669 if (*appData.loadGameFile == NULLCHAR) {
1670 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1674 if (*appData.loadGameFile != NULLCHAR) {
1675 (void) LoadGameFromFile(appData.loadGameFile,
1676 appData.loadGameIndex,
1677 appData.loadGameFile, TRUE);
1678 } else if (*appData.loadPositionFile != NULLCHAR) {
1679 (void) LoadPositionFromFile(appData.loadPositionFile,
1680 appData.loadPositionIndex,
1681 appData.loadPositionFile);
1682 /* [HGM] try to make self-starting even after FEN load */
1683 /* to allow automatic setup of fairy variants with wtm */
1684 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1685 gameMode = BeginningOfGame;
1686 setboardSpoiledMachineBlack = 1;
1688 /* [HGM] loadPos: make that every new game uses the setup */
1689 /* from file as long as we do not switch variant */
1690 if(!blackPlaysFirst) {
1691 startedFromPositionFile = TRUE;
1692 CopyBoard(filePosition, boards[0]);
1695 if (initialMode == AnalyzeMode) {
1696 if (appData.noChessProgram) {
1697 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1700 if (appData.icsActive) {
1701 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1705 } else if (initialMode == AnalyzeFile) {
1706 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1707 ShowThinkingEvent();
1709 AnalysisPeriodicEvent(1);
1710 } else if (initialMode == MachinePlaysWhite) {
1711 if (appData.noChessProgram) {
1712 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1716 if (appData.icsActive) {
1717 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1721 MachineWhiteEvent();
1722 } else if (initialMode == MachinePlaysBlack) {
1723 if (appData.noChessProgram) {
1724 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1728 if (appData.icsActive) {
1729 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1733 MachineBlackEvent();
1734 } else if (initialMode == TwoMachinesPlay) {
1735 if (appData.noChessProgram) {
1736 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1740 if (appData.icsActive) {
1741 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1746 } else if (initialMode == EditGame) {
1748 } else if (initialMode == EditPosition) {
1749 EditPositionEvent();
1750 } else if (initialMode == Training) {
1751 if (*appData.loadGameFile == NULLCHAR) {
1752 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1761 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1763 DisplayBook(current+1);
1765 MoveHistorySet( movelist, first, last, current, pvInfoList );
1767 EvalGraphSet( first, last, current, pvInfoList );
1769 MakeEngineOutputTitle();
1773 * Establish will establish a contact to a remote host.port.
1774 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1775 * used to talk to the host.
1776 * Returns 0 if okay, error code if not.
1783 if (*appData.icsCommPort != NULLCHAR) {
1784 /* Talk to the host through a serial comm port */
1785 return OpenCommPort(appData.icsCommPort, &icsPR);
1787 } else if (*appData.gateway != NULLCHAR) {
1788 if (*appData.remoteShell == NULLCHAR) {
1789 /* Use the rcmd protocol to run telnet program on a gateway host */
1790 snprintf(buf, sizeof(buf), "%s %s %s",
1791 appData.telnetProgram, appData.icsHost, appData.icsPort);
1792 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1795 /* Use the rsh program to run telnet program on a gateway host */
1796 if (*appData.remoteUser == NULLCHAR) {
1797 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1798 appData.gateway, appData.telnetProgram,
1799 appData.icsHost, appData.icsPort);
1801 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1802 appData.remoteShell, appData.gateway,
1803 appData.remoteUser, appData.telnetProgram,
1804 appData.icsHost, appData.icsPort);
1806 return StartChildProcess(buf, "", &icsPR);
1809 } else if (appData.useTelnet) {
1810 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1813 /* TCP socket interface differs somewhat between
1814 Unix and NT; handle details in the front end.
1816 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1821 EscapeExpand (char *p, char *q)
1822 { // [HGM] initstring: routine to shape up string arguments
1823 while(*p++ = *q++) if(p[-1] == '\\')
1825 case 'n': p[-1] = '\n'; break;
1826 case 'r': p[-1] = '\r'; break;
1827 case 't': p[-1] = '\t'; break;
1828 case '\\': p[-1] = '\\'; break;
1829 case 0: *p = 0; return;
1830 default: p[-1] = q[-1]; break;
1835 show_bytes (FILE *fp, char *buf, int count)
1838 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1839 fprintf(fp, "\\%03o", *buf & 0xff);
1848 /* Returns an errno value */
1850 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1852 char buf[8192], *p, *q, *buflim;
1853 int left, newcount, outcount;
1855 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1856 *appData.gateway != NULLCHAR) {
1857 if (appData.debugMode) {
1858 fprintf(debugFP, ">ICS: ");
1859 show_bytes(debugFP, message, count);
1860 fprintf(debugFP, "\n");
1862 return OutputToProcess(pr, message, count, outError);
1865 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1872 if (appData.debugMode) {
1873 fprintf(debugFP, ">ICS: ");
1874 show_bytes(debugFP, buf, newcount);
1875 fprintf(debugFP, "\n");
1877 outcount = OutputToProcess(pr, buf, newcount, outError);
1878 if (outcount < newcount) return -1; /* to be sure */
1885 } else if (((unsigned char) *p) == TN_IAC) {
1886 *q++ = (char) TN_IAC;
1893 if (appData.debugMode) {
1894 fprintf(debugFP, ">ICS: ");
1895 show_bytes(debugFP, buf, newcount);
1896 fprintf(debugFP, "\n");
1898 outcount = OutputToProcess(pr, buf, newcount, outError);
1899 if (outcount < newcount) return -1; /* to be sure */
1904 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1906 int outError, outCount;
1907 static int gotEof = 0;
1910 /* Pass data read from player on to ICS */
1913 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1914 if (outCount < count) {
1915 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1917 if(have_sent_ICS_logon == 2) {
1918 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1919 fprintf(ini, "%s", message);
1920 have_sent_ICS_logon = 3;
1922 have_sent_ICS_logon = 1;
1923 } else if(have_sent_ICS_logon == 3) {
1924 fprintf(ini, "%s", message);
1926 have_sent_ICS_logon = 1;
1928 } else if (count < 0) {
1929 RemoveInputSource(isr);
1930 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1931 } else if (gotEof++ > 0) {
1932 RemoveInputSource(isr);
1933 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1939 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1940 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1941 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1942 SendToICS("date\n");
1943 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1946 /* added routine for printf style output to ics */
1948 ics_printf (char *format, ...)
1950 char buffer[MSG_SIZ];
1953 va_start(args, format);
1954 vsnprintf(buffer, sizeof(buffer), format, args);
1955 buffer[sizeof(buffer)-1] = '\0';
1963 int count, outCount, outError;
1965 if (icsPR == NoProc) return;
1968 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1969 if (outCount < count) {
1970 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1974 /* This is used for sending logon scripts to the ICS. Sending
1975 without a delay causes problems when using timestamp on ICC
1976 (at least on my machine). */
1978 SendToICSDelayed (char *s, long msdelay)
1980 int count, outCount, outError;
1982 if (icsPR == NoProc) return;
1985 if (appData.debugMode) {
1986 fprintf(debugFP, ">ICS: ");
1987 show_bytes(debugFP, s, count);
1988 fprintf(debugFP, "\n");
1990 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1992 if (outCount < count) {
1993 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1998 /* Remove all highlighting escape sequences in s
1999 Also deletes any suffix starting with '('
2002 StripHighlightAndTitle (char *s)
2004 static char retbuf[MSG_SIZ];
2007 while (*s != NULLCHAR) {
2008 while (*s == '\033') {
2009 while (*s != NULLCHAR && !isalpha(*s)) s++;
2010 if (*s != NULLCHAR) s++;
2012 while (*s != NULLCHAR && *s != '\033') {
2013 if (*s == '(' || *s == '[') {
2024 /* Remove all highlighting escape sequences in s */
2026 StripHighlight (char *s)
2028 static char retbuf[MSG_SIZ];
2031 while (*s != NULLCHAR) {
2032 while (*s == '\033') {
2033 while (*s != NULLCHAR && !isalpha(*s)) s++;
2034 if (*s != NULLCHAR) s++;
2036 while (*s != NULLCHAR && *s != '\033') {
2044 char engineVariant[MSG_SIZ];
2045 char *variantNames[] = VARIANT_NAMES;
2047 VariantName (VariantClass v)
2049 if(v == VariantUnknown || *engineVariant) return engineVariant;
2050 return variantNames[v];
2054 /* Identify a variant from the strings the chess servers use or the
2055 PGN Variant tag names we use. */
2057 StringToVariant (char *e)
2061 VariantClass v = VariantNormal;
2062 int i, found = FALSE;
2068 /* [HGM] skip over optional board-size prefixes */
2069 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2070 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2071 while( *e++ != '_');
2074 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2078 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2079 if (p = StrCaseStr(e, variantNames[i])) {
2080 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2081 v = (VariantClass) i;
2088 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2089 || StrCaseStr(e, "wild/fr")
2090 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2091 v = VariantFischeRandom;
2092 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2093 (i = 1, p = StrCaseStr(e, "w"))) {
2095 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2102 case 0: /* FICS only, actually */
2104 /* Castling legal even if K starts on d-file */
2105 v = VariantWildCastle;
2110 /* Castling illegal even if K & R happen to start in
2111 normal positions. */
2112 v = VariantNoCastle;
2125 /* Castling legal iff K & R start in normal positions */
2131 /* Special wilds for position setup; unclear what to do here */
2132 v = VariantLoadable;
2135 /* Bizarre ICC game */
2136 v = VariantTwoKings;
2139 v = VariantKriegspiel;
2145 v = VariantFischeRandom;
2148 v = VariantCrazyhouse;
2151 v = VariantBughouse;
2157 /* Not quite the same as FICS suicide! */
2158 v = VariantGiveaway;
2164 v = VariantShatranj;
2167 /* Temporary names for future ICC types. The name *will* change in
2168 the next xboard/WinBoard release after ICC defines it. */
2206 v = VariantCapablanca;
2209 v = VariantKnightmate;
2215 v = VariantCylinder;
2221 v = VariantCapaRandom;
2224 v = VariantBerolina;
2236 /* Found "wild" or "w" in the string but no number;
2237 must assume it's normal chess. */
2241 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2242 if( (len >= MSG_SIZ) && appData.debugMode )
2243 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2245 DisplayError(buf, 0);
2251 if (appData.debugMode) {
2252 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2253 e, wnum, VariantName(v));
2258 static int leftover_start = 0, leftover_len = 0;
2259 char star_match[STAR_MATCH_N][MSG_SIZ];
2261 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2262 advance *index beyond it, and set leftover_start to the new value of
2263 *index; else return FALSE. If pattern contains the character '*', it
2264 matches any sequence of characters not containing '\r', '\n', or the
2265 character following the '*' (if any), and the matched sequence(s) are
2266 copied into star_match.
2269 looking_at ( char *buf, int *index, char *pattern)
2271 char *bufp = &buf[*index], *patternp = pattern;
2273 char *matchp = star_match[0];
2276 if (*patternp == NULLCHAR) {
2277 *index = leftover_start = bufp - buf;
2281 if (*bufp == NULLCHAR) return FALSE;
2282 if (*patternp == '*') {
2283 if (*bufp == *(patternp + 1)) {
2285 matchp = star_match[++star_count];
2289 } else if (*bufp == '\n' || *bufp == '\r') {
2291 if (*patternp == NULLCHAR)
2296 *matchp++ = *bufp++;
2300 if (*patternp != *bufp) return FALSE;
2307 SendToPlayer (char *data, int length)
2309 int error, outCount;
2310 outCount = OutputToProcess(NoProc, data, length, &error);
2311 if (outCount < length) {
2312 DisplayFatalError(_("Error writing to display"), error, 1);
2317 PackHolding (char packed[], char *holding)
2327 switch (runlength) {
2338 sprintf(q, "%d", runlength);
2350 /* Telnet protocol requests from the front end */
2352 TelnetRequest (unsigned char ddww, unsigned char option)
2354 unsigned char msg[3];
2355 int outCount, outError;
2357 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2359 if (appData.debugMode) {
2360 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2376 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2385 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2388 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2393 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2395 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2402 if (!appData.icsActive) return;
2403 TelnetRequest(TN_DO, TN_ECHO);
2409 if (!appData.icsActive) return;
2410 TelnetRequest(TN_DONT, TN_ECHO);
2414 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2416 /* put the holdings sent to us by the server on the board holdings area */
2417 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2421 if(gameInfo.holdingsWidth < 2) return;
2422 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2423 return; // prevent overwriting by pre-board holdings
2425 if( (int)lowestPiece >= BlackPawn ) {
2428 holdingsStartRow = BOARD_HEIGHT-1;
2431 holdingsColumn = BOARD_WIDTH-1;
2432 countsColumn = BOARD_WIDTH-2;
2433 holdingsStartRow = 0;
2437 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2438 board[i][holdingsColumn] = EmptySquare;
2439 board[i][countsColumn] = (ChessSquare) 0;
2441 while( (p=*holdings++) != NULLCHAR ) {
2442 piece = CharToPiece( ToUpper(p) );
2443 if(piece == EmptySquare) continue;
2444 /*j = (int) piece - (int) WhitePawn;*/
2445 j = PieceToNumber(piece);
2446 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2447 if(j < 0) continue; /* should not happen */
2448 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2449 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2450 board[holdingsStartRow+j*direction][countsColumn]++;
2456 VariantSwitch (Board board, VariantClass newVariant)
2458 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2459 static Board oldBoard;
2461 startedFromPositionFile = FALSE;
2462 if(gameInfo.variant == newVariant) return;
2464 /* [HGM] This routine is called each time an assignment is made to
2465 * gameInfo.variant during a game, to make sure the board sizes
2466 * are set to match the new variant. If that means adding or deleting
2467 * holdings, we shift the playing board accordingly
2468 * This kludge is needed because in ICS observe mode, we get boards
2469 * of an ongoing game without knowing the variant, and learn about the
2470 * latter only later. This can be because of the move list we requested,
2471 * in which case the game history is refilled from the beginning anyway,
2472 * but also when receiving holdings of a crazyhouse game. In the latter
2473 * case we want to add those holdings to the already received position.
2477 if (appData.debugMode) {
2478 fprintf(debugFP, "Switch board from %s to %s\n",
2479 VariantName(gameInfo.variant), VariantName(newVariant));
2480 setbuf(debugFP, NULL);
2482 shuffleOpenings = 0; /* [HGM] shuffle */
2483 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2487 newWidth = 9; newHeight = 9;
2488 gameInfo.holdingsSize = 7;
2489 case VariantBughouse:
2490 case VariantCrazyhouse:
2491 newHoldingsWidth = 2; break;
2495 newHoldingsWidth = 2;
2496 gameInfo.holdingsSize = 8;
2499 case VariantCapablanca:
2500 case VariantCapaRandom:
2503 newHoldingsWidth = gameInfo.holdingsSize = 0;
2506 if(newWidth != gameInfo.boardWidth ||
2507 newHeight != gameInfo.boardHeight ||
2508 newHoldingsWidth != gameInfo.holdingsWidth ) {
2510 /* shift position to new playing area, if needed */
2511 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2512 for(i=0; i<BOARD_HEIGHT; i++)
2513 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2514 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2516 for(i=0; i<newHeight; i++) {
2517 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2518 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2520 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2521 for(i=0; i<BOARD_HEIGHT; i++)
2522 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2523 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2526 board[HOLDINGS_SET] = 0;
2527 gameInfo.boardWidth = newWidth;
2528 gameInfo.boardHeight = newHeight;
2529 gameInfo.holdingsWidth = newHoldingsWidth;
2530 gameInfo.variant = newVariant;
2531 InitDrawingSizes(-2, 0);
2532 } else gameInfo.variant = newVariant;
2533 CopyBoard(oldBoard, board); // remember correctly formatted board
2534 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2535 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2538 static int loggedOn = FALSE;
2540 /*-- Game start info cache: --*/
2542 char gs_kind[MSG_SIZ];
2543 static char player1Name[128] = "";
2544 static char player2Name[128] = "";
2545 static char cont_seq[] = "\n\\ ";
2546 static int player1Rating = -1;
2547 static int player2Rating = -1;
2548 /*----------------------------*/
2550 ColorClass curColor = ColorNormal;
2551 int suppressKibitz = 0;
2554 Boolean soughtPending = FALSE;
2555 Boolean seekGraphUp;
2556 #define MAX_SEEK_ADS 200
2558 char *seekAdList[MAX_SEEK_ADS];
2559 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2560 float tcList[MAX_SEEK_ADS];
2561 char colorList[MAX_SEEK_ADS];
2562 int nrOfSeekAds = 0;
2563 int minRating = 1010, maxRating = 2800;
2564 int hMargin = 10, vMargin = 20, h, w;
2565 extern int squareSize, lineGap;
2570 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2571 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2572 if(r < minRating+100 && r >=0 ) r = minRating+100;
2573 if(r > maxRating) r = maxRating;
2574 if(tc < 1.f) tc = 1.f;
2575 if(tc > 95.f) tc = 95.f;
2576 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2577 y = ((double)r - minRating)/(maxRating - minRating)
2578 * (h-vMargin-squareSize/8-1) + vMargin;
2579 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2580 if(strstr(seekAdList[i], " u ")) color = 1;
2581 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2582 !strstr(seekAdList[i], "bullet") &&
2583 !strstr(seekAdList[i], "blitz") &&
2584 !strstr(seekAdList[i], "standard") ) color = 2;
2585 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2586 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2590 PlotSingleSeekAd (int i)
2596 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2598 char buf[MSG_SIZ], *ext = "";
2599 VariantClass v = StringToVariant(type);
2600 if(strstr(type, "wild")) {
2601 ext = type + 4; // append wild number
2602 if(v == VariantFischeRandom) type = "chess960"; else
2603 if(v == VariantLoadable) type = "setup"; else
2604 type = VariantName(v);
2606 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2607 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2608 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2609 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2610 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2611 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2612 seekNrList[nrOfSeekAds] = nr;
2613 zList[nrOfSeekAds] = 0;
2614 seekAdList[nrOfSeekAds++] = StrSave(buf);
2615 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2620 EraseSeekDot (int i)
2622 int x = xList[i], y = yList[i], d=squareSize/4, k;
2623 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2624 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2625 // now replot every dot that overlapped
2626 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2627 int xx = xList[k], yy = yList[k];
2628 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2629 DrawSeekDot(xx, yy, colorList[k]);
2634 RemoveSeekAd (int nr)
2637 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2639 if(seekAdList[i]) free(seekAdList[i]);
2640 seekAdList[i] = seekAdList[--nrOfSeekAds];
2641 seekNrList[i] = seekNrList[nrOfSeekAds];
2642 ratingList[i] = ratingList[nrOfSeekAds];
2643 colorList[i] = colorList[nrOfSeekAds];
2644 tcList[i] = tcList[nrOfSeekAds];
2645 xList[i] = xList[nrOfSeekAds];
2646 yList[i] = yList[nrOfSeekAds];
2647 zList[i] = zList[nrOfSeekAds];
2648 seekAdList[nrOfSeekAds] = NULL;
2654 MatchSoughtLine (char *line)
2656 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2657 int nr, base, inc, u=0; char dummy;
2659 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2660 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2662 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2663 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2664 // match: compact and save the line
2665 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2675 if(!seekGraphUp) return FALSE;
2676 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2677 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2679 DrawSeekBackground(0, 0, w, h);
2680 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2681 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2682 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2683 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2685 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2688 snprintf(buf, MSG_SIZ, "%d", i);
2689 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2692 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2693 for(i=1; i<100; i+=(i<10?1:5)) {
2694 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2695 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2696 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2698 snprintf(buf, MSG_SIZ, "%d", i);
2699 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2702 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2707 SeekGraphClick (ClickType click, int x, int y, int moving)
2709 static int lastDown = 0, displayed = 0, lastSecond;
2710 if(y < 0) return FALSE;
2711 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2712 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2713 if(!seekGraphUp) return FALSE;
2714 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2715 DrawPosition(TRUE, NULL);
2718 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2719 if(click == Release || moving) return FALSE;
2721 soughtPending = TRUE;
2722 SendToICS(ics_prefix);
2723 SendToICS("sought\n"); // should this be "sought all"?
2724 } else { // issue challenge based on clicked ad
2725 int dist = 10000; int i, closest = 0, second = 0;
2726 for(i=0; i<nrOfSeekAds; i++) {
2727 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2728 if(d < dist) { dist = d; closest = i; }
2729 second += (d - zList[i] < 120); // count in-range ads
2730 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2734 second = (second > 1);
2735 if(displayed != closest || second != lastSecond) {
2736 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2737 lastSecond = second; displayed = closest;
2739 if(click == Press) {
2740 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2743 } // on press 'hit', only show info
2744 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2745 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2746 SendToICS(ics_prefix);
2748 return TRUE; // let incoming board of started game pop down the graph
2749 } else if(click == Release) { // release 'miss' is ignored
2750 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2751 if(moving == 2) { // right up-click
2752 nrOfSeekAds = 0; // refresh graph
2753 soughtPending = TRUE;
2754 SendToICS(ics_prefix);
2755 SendToICS("sought\n"); // should this be "sought all"?
2758 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2759 // press miss or release hit 'pop down' seek graph
2760 seekGraphUp = FALSE;
2761 DrawPosition(TRUE, NULL);
2767 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2769 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2770 #define STARTED_NONE 0
2771 #define STARTED_MOVES 1
2772 #define STARTED_BOARD 2
2773 #define STARTED_OBSERVE 3
2774 #define STARTED_HOLDINGS 4
2775 #define STARTED_CHATTER 5
2776 #define STARTED_COMMENT 6
2777 #define STARTED_MOVES_NOHIDE 7
2779 static int started = STARTED_NONE;
2780 static char parse[20000];
2781 static int parse_pos = 0;
2782 static char buf[BUF_SIZE + 1];
2783 static int firstTime = TRUE, intfSet = FALSE;
2784 static ColorClass prevColor = ColorNormal;
2785 static int savingComment = FALSE;
2786 static int cmatch = 0; // continuation sequence match
2793 int backup; /* [DM] For zippy color lines */
2795 char talker[MSG_SIZ]; // [HGM] chat
2798 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2800 if (appData.debugMode) {
2802 fprintf(debugFP, "<ICS: ");
2803 show_bytes(debugFP, data, count);
2804 fprintf(debugFP, "\n");
2808 if (appData.debugMode) { int f = forwardMostMove;
2809 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2810 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2811 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2814 /* If last read ended with a partial line that we couldn't parse,
2815 prepend it to the new read and try again. */
2816 if (leftover_len > 0) {
2817 for (i=0; i<leftover_len; i++)
2818 buf[i] = buf[leftover_start + i];
2821 /* copy new characters into the buffer */
2822 bp = buf + leftover_len;
2823 buf_len=leftover_len;
2824 for (i=0; i<count; i++)
2827 if (data[i] == '\r')
2830 // join lines split by ICS?
2831 if (!appData.noJoin)
2834 Joining just consists of finding matches against the
2835 continuation sequence, and discarding that sequence
2836 if found instead of copying it. So, until a match
2837 fails, there's nothing to do since it might be the
2838 complete sequence, and thus, something we don't want
2841 if (data[i] == cont_seq[cmatch])
2844 if (cmatch == strlen(cont_seq))
2846 cmatch = 0; // complete match. just reset the counter
2849 it's possible for the ICS to not include the space
2850 at the end of the last word, making our [correct]
2851 join operation fuse two separate words. the server
2852 does this when the space occurs at the width setting.
2854 if (!buf_len || buf[buf_len-1] != ' ')
2865 match failed, so we have to copy what matched before
2866 falling through and copying this character. In reality,
2867 this will only ever be just the newline character, but
2868 it doesn't hurt to be precise.
2870 strncpy(bp, cont_seq, cmatch);
2882 buf[buf_len] = NULLCHAR;
2883 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2888 while (i < buf_len) {
2889 /* Deal with part of the TELNET option negotiation
2890 protocol. We refuse to do anything beyond the
2891 defaults, except that we allow the WILL ECHO option,
2892 which ICS uses to turn off password echoing when we are
2893 directly connected to it. We reject this option
2894 if localLineEditing mode is on (always on in xboard)
2895 and we are talking to port 23, which might be a real
2896 telnet server that will try to keep WILL ECHO on permanently.
2898 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2899 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2900 unsigned char option;
2902 switch ((unsigned char) buf[++i]) {
2904 if (appData.debugMode)
2905 fprintf(debugFP, "\n<WILL ");
2906 switch (option = (unsigned char) buf[++i]) {
2908 if (appData.debugMode)
2909 fprintf(debugFP, "ECHO ");
2910 /* Reply only if this is a change, according
2911 to the protocol rules. */
2912 if (remoteEchoOption) break;
2913 if (appData.localLineEditing &&
2914 atoi(appData.icsPort) == TN_PORT) {
2915 TelnetRequest(TN_DONT, TN_ECHO);
2918 TelnetRequest(TN_DO, TN_ECHO);
2919 remoteEchoOption = TRUE;
2923 if (appData.debugMode)
2924 fprintf(debugFP, "%d ", option);
2925 /* Whatever this is, we don't want it. */
2926 TelnetRequest(TN_DONT, option);
2931 if (appData.debugMode)
2932 fprintf(debugFP, "\n<WONT ");
2933 switch (option = (unsigned char) buf[++i]) {
2935 if (appData.debugMode)
2936 fprintf(debugFP, "ECHO ");
2937 /* Reply only if this is a change, according
2938 to the protocol rules. */
2939 if (!remoteEchoOption) break;
2941 TelnetRequest(TN_DONT, TN_ECHO);
2942 remoteEchoOption = FALSE;
2945 if (appData.debugMode)
2946 fprintf(debugFP, "%d ", (unsigned char) option);
2947 /* Whatever this is, it must already be turned
2948 off, because we never agree to turn on
2949 anything non-default, so according to the
2950 protocol rules, we don't reply. */
2955 if (appData.debugMode)
2956 fprintf(debugFP, "\n<DO ");
2957 switch (option = (unsigned char) buf[++i]) {
2959 /* Whatever this is, we refuse to do it. */
2960 if (appData.debugMode)
2961 fprintf(debugFP, "%d ", option);
2962 TelnetRequest(TN_WONT, option);
2967 if (appData.debugMode)
2968 fprintf(debugFP, "\n<DONT ");
2969 switch (option = (unsigned char) buf[++i]) {
2971 if (appData.debugMode)
2972 fprintf(debugFP, "%d ", option);
2973 /* Whatever this is, we are already not doing
2974 it, because we never agree to do anything
2975 non-default, so according to the protocol
2976 rules, we don't reply. */
2981 if (appData.debugMode)
2982 fprintf(debugFP, "\n<IAC ");
2983 /* Doubled IAC; pass it through */
2987 if (appData.debugMode)
2988 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2989 /* Drop all other telnet commands on the floor */
2992 if (oldi > next_out)
2993 SendToPlayer(&buf[next_out], oldi - next_out);
2999 /* OK, this at least will *usually* work */
3000 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3004 if (loggedOn && !intfSet) {
3005 if (ics_type == ICS_ICC) {
3006 snprintf(str, MSG_SIZ,
3007 "/set-quietly interface %s\n/set-quietly style 12\n",
3009 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3010 strcat(str, "/set-2 51 1\n/set seek 1\n");
3011 } else if (ics_type == ICS_CHESSNET) {
3012 snprintf(str, MSG_SIZ, "/style 12\n");
3014 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3015 strcat(str, programVersion);
3016 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3017 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3018 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3020 strcat(str, "$iset nohighlight 1\n");
3022 strcat(str, "$iset lock 1\n$style 12\n");
3025 NotifyFrontendLogin();
3029 if (started == STARTED_COMMENT) {
3030 /* Accumulate characters in comment */
3031 parse[parse_pos++] = buf[i];
3032 if (buf[i] == '\n') {
3033 parse[parse_pos] = NULLCHAR;
3034 if(chattingPartner>=0) {
3036 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3037 OutputChatMessage(chattingPartner, mess);
3038 chattingPartner = -1;
3039 next_out = i+1; // [HGM] suppress printing in ICS window
3041 if(!suppressKibitz) // [HGM] kibitz
3042 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3043 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3044 int nrDigit = 0, nrAlph = 0, j;
3045 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3046 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3047 parse[parse_pos] = NULLCHAR;
3048 // try to be smart: if it does not look like search info, it should go to
3049 // ICS interaction window after all, not to engine-output window.
3050 for(j=0; j<parse_pos; j++) { // count letters and digits
3051 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3052 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3053 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3055 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3056 int depth=0; float score;
3057 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3058 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3059 pvInfoList[forwardMostMove-1].depth = depth;
3060 pvInfoList[forwardMostMove-1].score = 100*score;
3062 OutputKibitz(suppressKibitz, parse);
3065 if(gameMode == IcsObserving) // restore original ICS messages
3066 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3067 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3069 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3070 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3071 SendToPlayer(tmp, strlen(tmp));
3073 next_out = i+1; // [HGM] suppress printing in ICS window
3075 started = STARTED_NONE;
3077 /* Don't match patterns against characters in comment */
3082 if (started == STARTED_CHATTER) {
3083 if (buf[i] != '\n') {
3084 /* Don't match patterns against characters in chatter */
3088 started = STARTED_NONE;
3089 if(suppressKibitz) next_out = i+1;
3092 /* Kludge to deal with rcmd protocol */
3093 if (firstTime && looking_at(buf, &i, "\001*")) {
3094 DisplayFatalError(&buf[1], 0, 1);
3100 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3103 if (appData.debugMode)
3104 fprintf(debugFP, "ics_type %d\n", ics_type);
3107 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3108 ics_type = ICS_FICS;
3110 if (appData.debugMode)
3111 fprintf(debugFP, "ics_type %d\n", ics_type);
3114 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3115 ics_type = ICS_CHESSNET;
3117 if (appData.debugMode)
3118 fprintf(debugFP, "ics_type %d\n", ics_type);
3123 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3124 looking_at(buf, &i, "Logging you in as \"*\"") ||
3125 looking_at(buf, &i, "will be \"*\""))) {
3126 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3130 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3132 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3133 DisplayIcsInteractionTitle(buf);
3134 have_set_title = TRUE;
3137 /* skip finger notes */
3138 if (started == STARTED_NONE &&
3139 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3140 (buf[i] == '1' && buf[i+1] == '0')) &&
3141 buf[i+2] == ':' && buf[i+3] == ' ') {
3142 started = STARTED_CHATTER;
3148 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3149 if(appData.seekGraph) {
3150 if(soughtPending && MatchSoughtLine(buf+i)) {
3151 i = strstr(buf+i, "rated") - buf;
3152 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3153 next_out = leftover_start = i;
3154 started = STARTED_CHATTER;
3155 suppressKibitz = TRUE;
3158 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3159 && looking_at(buf, &i, "* ads displayed")) {
3160 soughtPending = FALSE;
3165 if(appData.autoRefresh) {
3166 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3167 int s = (ics_type == ICS_ICC); // ICC format differs
3169 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3170 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3171 looking_at(buf, &i, "*% "); // eat prompt
3172 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3173 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3174 next_out = i; // suppress
3177 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3178 char *p = star_match[0];
3180 if(seekGraphUp) RemoveSeekAd(atoi(p));
3181 while(*p && *p++ != ' '); // next
3183 looking_at(buf, &i, "*% "); // eat prompt
3184 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3191 /* skip formula vars */
3192 if (started == STARTED_NONE &&
3193 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3194 started = STARTED_CHATTER;
3199 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3200 if (appData.autoKibitz && started == STARTED_NONE &&
3201 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3202 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3203 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3204 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3205 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3206 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3207 suppressKibitz = TRUE;
3208 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3210 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3211 && (gameMode == IcsPlayingWhite)) ||
3212 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3213 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3214 started = STARTED_CHATTER; // own kibitz we simply discard
3216 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3217 parse_pos = 0; parse[0] = NULLCHAR;
3218 savingComment = TRUE;
3219 suppressKibitz = gameMode != IcsObserving ? 2 :
3220 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3224 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3225 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3226 && atoi(star_match[0])) {
3227 // suppress the acknowledgements of our own autoKibitz
3229 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3230 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3231 SendToPlayer(star_match[0], strlen(star_match[0]));
3232 if(looking_at(buf, &i, "*% ")) // eat prompt
3233 suppressKibitz = FALSE;
3237 } // [HGM] kibitz: end of patch
3239 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3241 // [HGM] chat: intercept tells by users for which we have an open chat window
3243 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3244 looking_at(buf, &i, "* whispers:") ||
3245 looking_at(buf, &i, "* kibitzes:") ||
3246 looking_at(buf, &i, "* shouts:") ||
3247 looking_at(buf, &i, "* c-shouts:") ||
3248 looking_at(buf, &i, "--> * ") ||
3249 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3250 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3251 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3252 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3254 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3255 chattingPartner = -1;
3257 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3258 for(p=0; p<MAX_CHAT; p++) {
3259 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3260 talker[0] = '['; strcat(talker, "] ");
3261 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3262 chattingPartner = p; break;
3265 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3266 for(p=0; p<MAX_CHAT; p++) {
3267 if(!strcmp("kibitzes", chatPartner[p])) {
3268 talker[0] = '['; strcat(talker, "] ");
3269 chattingPartner = p; break;
3272 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3273 for(p=0; p<MAX_CHAT; p++) {
3274 if(!strcmp("whispers", chatPartner[p])) {
3275 talker[0] = '['; strcat(talker, "] ");
3276 chattingPartner = p; break;
3279 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3280 if(buf[i-8] == '-' && buf[i-3] == 't')
3281 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3282 if(!strcmp("c-shouts", chatPartner[p])) {
3283 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3284 chattingPartner = p; break;
3287 if(chattingPartner < 0)
3288 for(p=0; p<MAX_CHAT; p++) {
3289 if(!strcmp("shouts", chatPartner[p])) {
3290 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3291 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3292 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3293 chattingPartner = p; break;
3297 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3298 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3299 talker[0] = 0; Colorize(ColorTell, FALSE);
3300 chattingPartner = p; break;
3302 if(chattingPartner<0) i = oldi; else {
3303 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3304 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3305 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3306 started = STARTED_COMMENT;
3307 parse_pos = 0; parse[0] = NULLCHAR;
3308 savingComment = 3 + chattingPartner; // counts as TRUE
3309 suppressKibitz = TRUE;
3312 } // [HGM] chat: end of patch
3315 if (appData.zippyTalk || appData.zippyPlay) {
3316 /* [DM] Backup address for color zippy lines */
3318 if (loggedOn == TRUE)
3319 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3320 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3322 } // [DM] 'else { ' deleted
3324 /* Regular tells and says */
3325 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3326 looking_at(buf, &i, "* (your partner) tells you: ") ||
3327 looking_at(buf, &i, "* says: ") ||
3328 /* Don't color "message" or "messages" output */
3329 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3330 looking_at(buf, &i, "*. * at *:*: ") ||
3331 looking_at(buf, &i, "--* (*:*): ") ||
3332 /* Message notifications (same color as tells) */
3333 looking_at(buf, &i, "* has left a message ") ||
3334 looking_at(buf, &i, "* just sent you a message:\n") ||
3335 /* Whispers and kibitzes */
3336 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3337 looking_at(buf, &i, "* kibitzes: ") ||
3339 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3341 if (tkind == 1 && strchr(star_match[0], ':')) {
3342 /* Avoid "tells you:" spoofs in channels */
3345 if (star_match[0][0] == NULLCHAR ||
3346 strchr(star_match[0], ' ') ||
3347 (tkind == 3 && strchr(star_match[1], ' '))) {
3348 /* Reject bogus matches */
3351 if (appData.colorize) {
3352 if (oldi > next_out) {
3353 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorTell, FALSE);
3359 curColor = ColorTell;
3362 Colorize(ColorKibitz, FALSE);
3363 curColor = ColorKibitz;
3366 p = strrchr(star_match[1], '(');
3373 Colorize(ColorChannel1, FALSE);
3374 curColor = ColorChannel1;
3376 Colorize(ColorChannel, FALSE);
3377 curColor = ColorChannel;
3381 curColor = ColorNormal;
3385 if (started == STARTED_NONE && appData.autoComment &&
3386 (gameMode == IcsObserving ||
3387 gameMode == IcsPlayingWhite ||
3388 gameMode == IcsPlayingBlack)) {
3389 parse_pos = i - oldi;
3390 memcpy(parse, &buf[oldi], parse_pos);
3391 parse[parse_pos] = NULLCHAR;
3392 started = STARTED_COMMENT;
3393 savingComment = TRUE;
3395 started = STARTED_CHATTER;
3396 savingComment = FALSE;
3403 if (looking_at(buf, &i, "* s-shouts: ") ||
3404 looking_at(buf, &i, "* c-shouts: ")) {
3405 if (appData.colorize) {
3406 if (oldi > next_out) {
3407 SendToPlayer(&buf[next_out], oldi - next_out);
3410 Colorize(ColorSShout, FALSE);
3411 curColor = ColorSShout;
3414 started = STARTED_CHATTER;
3418 if (looking_at(buf, &i, "--->")) {
3423 if (looking_at(buf, &i, "* shouts: ") ||
3424 looking_at(buf, &i, "--> ")) {
3425 if (appData.colorize) {
3426 if (oldi > next_out) {
3427 SendToPlayer(&buf[next_out], oldi - next_out);
3430 Colorize(ColorShout, FALSE);
3431 curColor = ColorShout;
3434 started = STARTED_CHATTER;
3438 if (looking_at( buf, &i, "Challenge:")) {
3439 if (appData.colorize) {
3440 if (oldi > next_out) {
3441 SendToPlayer(&buf[next_out], oldi - next_out);
3444 Colorize(ColorChallenge, FALSE);
3445 curColor = ColorChallenge;
3451 if (looking_at(buf, &i, "* offers you") ||
3452 looking_at(buf, &i, "* offers to be") ||
3453 looking_at(buf, &i, "* would like to") ||
3454 looking_at(buf, &i, "* requests to") ||
3455 looking_at(buf, &i, "Your opponent offers") ||
3456 looking_at(buf, &i, "Your opponent requests")) {
3458 if (appData.colorize) {
3459 if (oldi > next_out) {
3460 SendToPlayer(&buf[next_out], oldi - next_out);
3463 Colorize(ColorRequest, FALSE);
3464 curColor = ColorRequest;
3469 if (looking_at(buf, &i, "* (*) seeking")) {
3470 if (appData.colorize) {
3471 if (oldi > next_out) {
3472 SendToPlayer(&buf[next_out], oldi - next_out);
3475 Colorize(ColorSeek, FALSE);
3476 curColor = ColorSeek;
3481 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3483 if (looking_at(buf, &i, "\\ ")) {
3484 if (prevColor != ColorNormal) {
3485 if (oldi > next_out) {
3486 SendToPlayer(&buf[next_out], oldi - next_out);
3489 Colorize(prevColor, TRUE);
3490 curColor = prevColor;
3492 if (savingComment) {
3493 parse_pos = i - oldi;
3494 memcpy(parse, &buf[oldi], parse_pos);
3495 parse[parse_pos] = NULLCHAR;
3496 started = STARTED_COMMENT;
3497 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3498 chattingPartner = savingComment - 3; // kludge to remember the box
3500 started = STARTED_CHATTER;
3505 if (looking_at(buf, &i, "Black Strength :") ||
3506 looking_at(buf, &i, "<<< style 10 board >>>") ||
3507 looking_at(buf, &i, "<10>") ||
3508 looking_at(buf, &i, "#@#")) {
3509 /* Wrong board style */
3511 SendToICS(ics_prefix);
3512 SendToICS("set style 12\n");
3513 SendToICS(ics_prefix);
3514 SendToICS("refresh\n");
3518 if (looking_at(buf, &i, "login:")) {
3519 if (!have_sent_ICS_logon) {
3521 have_sent_ICS_logon = 1;
3522 else // no init script was found
3523 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3524 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3525 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3530 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3531 (looking_at(buf, &i, "\n<12> ") ||
3532 looking_at(buf, &i, "<12> "))) {
3534 if (oldi > next_out) {
3535 SendToPlayer(&buf[next_out], oldi - next_out);
3538 started = STARTED_BOARD;
3543 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3544 looking_at(buf, &i, "<b1> ")) {
3545 if (oldi > next_out) {
3546 SendToPlayer(&buf[next_out], oldi - next_out);
3549 started = STARTED_HOLDINGS;
3554 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3556 /* Header for a move list -- first line */
3558 switch (ics_getting_history) {
3562 case BeginningOfGame:
3563 /* User typed "moves" or "oldmoves" while we
3564 were idle. Pretend we asked for these
3565 moves and soak them up so user can step
3566 through them and/or save them.
3569 gameMode = IcsObserving;
3572 ics_getting_history = H_GOT_UNREQ_HEADER;
3574 case EditGame: /*?*/
3575 case EditPosition: /*?*/
3576 /* Should above feature work in these modes too? */
3577 /* For now it doesn't */
3578 ics_getting_history = H_GOT_UNWANTED_HEADER;
3581 ics_getting_history = H_GOT_UNWANTED_HEADER;
3586 /* Is this the right one? */
3587 if (gameInfo.white && gameInfo.black &&
3588 strcmp(gameInfo.white, star_match[0]) == 0 &&
3589 strcmp(gameInfo.black, star_match[2]) == 0) {
3591 ics_getting_history = H_GOT_REQ_HEADER;
3594 case H_GOT_REQ_HEADER:
3595 case H_GOT_UNREQ_HEADER:
3596 case H_GOT_UNWANTED_HEADER:
3597 case H_GETTING_MOVES:
3598 /* Should not happen */
3599 DisplayError(_("Error gathering move list: two headers"), 0);
3600 ics_getting_history = H_FALSE;
3604 /* Save player ratings into gameInfo if needed */
3605 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3606 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3607 (gameInfo.whiteRating == -1 ||
3608 gameInfo.blackRating == -1)) {
3610 gameInfo.whiteRating = string_to_rating(star_match[1]);
3611 gameInfo.blackRating = string_to_rating(star_match[3]);
3612 if (appData.debugMode)
3613 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3614 gameInfo.whiteRating, gameInfo.blackRating);
3619 if (looking_at(buf, &i,
3620 "* * match, initial time: * minute*, increment: * second")) {
3621 /* Header for a move list -- second line */
3622 /* Initial board will follow if this is a wild game */
3623 if (gameInfo.event != NULL) free(gameInfo.event);
3624 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3625 gameInfo.event = StrSave(str);
3626 /* [HGM] we switched variant. Translate boards if needed. */
3627 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3631 if (looking_at(buf, &i, "Move ")) {
3632 /* Beginning of a move list */
3633 switch (ics_getting_history) {
3635 /* Normally should not happen */
3636 /* Maybe user hit reset while we were parsing */
3639 /* Happens if we are ignoring a move list that is not
3640 * the one we just requested. Common if the user
3641 * tries to observe two games without turning off
3644 case H_GETTING_MOVES:
3645 /* Should not happen */
3646 DisplayError(_("Error gathering move list: nested"), 0);
3647 ics_getting_history = H_FALSE;
3649 case H_GOT_REQ_HEADER:
3650 ics_getting_history = H_GETTING_MOVES;
3651 started = STARTED_MOVES;
3653 if (oldi > next_out) {
3654 SendToPlayer(&buf[next_out], oldi - next_out);
3657 case H_GOT_UNREQ_HEADER:
3658 ics_getting_history = H_GETTING_MOVES;
3659 started = STARTED_MOVES_NOHIDE;
3662 case H_GOT_UNWANTED_HEADER:
3663 ics_getting_history = H_FALSE;
3669 if (looking_at(buf, &i, "% ") ||
3670 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3671 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3672 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3673 soughtPending = FALSE;
3677 if(suppressKibitz) next_out = i;
3678 savingComment = FALSE;
3682 case STARTED_MOVES_NOHIDE:
3683 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3684 parse[parse_pos + i - oldi] = NULLCHAR;
3685 ParseGameHistory(parse);
3687 if (appData.zippyPlay && first.initDone) {
3688 FeedMovesToProgram(&first, forwardMostMove);
3689 if (gameMode == IcsPlayingWhite) {
3690 if (WhiteOnMove(forwardMostMove)) {
3691 if (first.sendTime) {
3692 if (first.useColors) {
3693 SendToProgram("black\n", &first);
3695 SendTimeRemaining(&first, TRUE);
3697 if (first.useColors) {
3698 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3700 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3701 first.maybeThinking = TRUE;
3703 if (first.usePlayother) {
3704 if (first.sendTime) {
3705 SendTimeRemaining(&first, TRUE);
3707 SendToProgram("playother\n", &first);
3713 } else if (gameMode == IcsPlayingBlack) {
3714 if (!WhiteOnMove(forwardMostMove)) {
3715 if (first.sendTime) {
3716 if (first.useColors) {
3717 SendToProgram("white\n", &first);
3719 SendTimeRemaining(&first, FALSE);
3721 if (first.useColors) {
3722 SendToProgram("black\n", &first);
3724 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3725 first.maybeThinking = TRUE;
3727 if (first.usePlayother) {
3728 if (first.sendTime) {
3729 SendTimeRemaining(&first, FALSE);
3731 SendToProgram("playother\n", &first);
3740 if (gameMode == IcsObserving && ics_gamenum == -1) {
3741 /* Moves came from oldmoves or moves command
3742 while we weren't doing anything else.
3744 currentMove = forwardMostMove;
3745 ClearHighlights();/*!!could figure this out*/
3746 flipView = appData.flipView;
3747 DrawPosition(TRUE, boards[currentMove]);
3748 DisplayBothClocks();
3749 snprintf(str, MSG_SIZ, "%s %s %s",
3750 gameInfo.white, _("vs."), gameInfo.black);
3754 /* Moves were history of an active game */
3755 if (gameInfo.resultDetails != NULL) {
3756 free(gameInfo.resultDetails);
3757 gameInfo.resultDetails = NULL;
3760 HistorySet(parseList, backwardMostMove,
3761 forwardMostMove, currentMove-1);
3762 DisplayMove(currentMove - 1);
3763 if (started == STARTED_MOVES) next_out = i;
3764 started = STARTED_NONE;
3765 ics_getting_history = H_FALSE;
3768 case STARTED_OBSERVE:
3769 started = STARTED_NONE;
3770 SendToICS(ics_prefix);
3771 SendToICS("refresh\n");
3777 if(bookHit) { // [HGM] book: simulate book reply
3778 static char bookMove[MSG_SIZ]; // a bit generous?
3780 programStats.nodes = programStats.depth = programStats.time =
3781 programStats.score = programStats.got_only_move = 0;
3782 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3784 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3785 strcat(bookMove, bookHit);
3786 HandleMachineMove(bookMove, &first);
3791 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3792 started == STARTED_HOLDINGS ||
3793 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3794 /* Accumulate characters in move list or board */
3795 parse[parse_pos++] = buf[i];
3798 /* Start of game messages. Mostly we detect start of game
3799 when the first board image arrives. On some versions
3800 of the ICS, though, we need to do a "refresh" after starting
3801 to observe in order to get the current board right away. */
3802 if (looking_at(buf, &i, "Adding game * to observation list")) {
3803 started = STARTED_OBSERVE;
3807 /* Handle auto-observe */
3808 if (appData.autoObserve &&
3809 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3810 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3812 /* Choose the player that was highlighted, if any. */
3813 if (star_match[0][0] == '\033' ||
3814 star_match[1][0] != '\033') {
3815 player = star_match[0];
3817 player = star_match[2];
3819 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3820 ics_prefix, StripHighlightAndTitle(player));
3823 /* Save ratings from notify string */
3824 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3825 player1Rating = string_to_rating(star_match[1]);
3826 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3827 player2Rating = string_to_rating(star_match[3]);
3829 if (appData.debugMode)
3831 "Ratings from 'Game notification:' %s %d, %s %d\n",
3832 player1Name, player1Rating,
3833 player2Name, player2Rating);
3838 /* Deal with automatic examine mode after a game,
3839 and with IcsObserving -> IcsExamining transition */
3840 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3841 looking_at(buf, &i, "has made you an examiner of game *")) {
3843 int gamenum = atoi(star_match[0]);
3844 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3845 gamenum == ics_gamenum) {
3846 /* We were already playing or observing this game;
3847 no need to refetch history */
3848 gameMode = IcsExamining;
3850 pauseExamForwardMostMove = forwardMostMove;
3851 } else if (currentMove < forwardMostMove) {
3852 ForwardInner(forwardMostMove);
3855 /* I don't think this case really can happen */
3856 SendToICS(ics_prefix);
3857 SendToICS("refresh\n");
3862 /* Error messages */
3863 // if (ics_user_moved) {
3864 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3865 if (looking_at(buf, &i, "Illegal move") ||
3866 looking_at(buf, &i, "Not a legal move") ||
3867 looking_at(buf, &i, "Your king is in check") ||
3868 looking_at(buf, &i, "It isn't your turn") ||
3869 looking_at(buf, &i, "It is not your move")) {
3871 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3872 currentMove = forwardMostMove-1;
3873 DisplayMove(currentMove - 1); /* before DMError */
3874 DrawPosition(FALSE, boards[currentMove]);
3875 SwitchClocks(forwardMostMove-1); // [HGM] race
3876 DisplayBothClocks();
3878 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3884 if (looking_at(buf, &i, "still have time") ||
3885 looking_at(buf, &i, "not out of time") ||
3886 looking_at(buf, &i, "either player is out of time") ||
3887 looking_at(buf, &i, "has timeseal; checking")) {
3888 /* We must have called his flag a little too soon */
3889 whiteFlag = blackFlag = FALSE;
3893 if (looking_at(buf, &i, "added * seconds to") ||
3894 looking_at(buf, &i, "seconds were added to")) {
3895 /* Update the clocks */
3896 SendToICS(ics_prefix);
3897 SendToICS("refresh\n");
3901 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3902 ics_clock_paused = TRUE;
3907 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3908 ics_clock_paused = FALSE;
3913 /* Grab player ratings from the Creating: message.
3914 Note we have to check for the special case when
3915 the ICS inserts things like [white] or [black]. */
3916 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3917 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3919 0 player 1 name (not necessarily white)
3921 2 empty, white, or black (IGNORED)
3922 3 player 2 name (not necessarily black)
3925 The names/ratings are sorted out when the game
3926 actually starts (below).
3928 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3929 player1Rating = string_to_rating(star_match[1]);
3930 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3931 player2Rating = string_to_rating(star_match[4]);
3933 if (appData.debugMode)
3935 "Ratings from 'Creating:' %s %d, %s %d\n",
3936 player1Name, player1Rating,
3937 player2Name, player2Rating);
3942 /* Improved generic start/end-of-game messages */
3943 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3944 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3945 /* If tkind == 0: */
3946 /* star_match[0] is the game number */
3947 /* [1] is the white player's name */
3948 /* [2] is the black player's name */
3949 /* For end-of-game: */
3950 /* [3] is the reason for the game end */
3951 /* [4] is a PGN end game-token, preceded by " " */
3952 /* For start-of-game: */
3953 /* [3] begins with "Creating" or "Continuing" */
3954 /* [4] is " *" or empty (don't care). */
3955 int gamenum = atoi(star_match[0]);
3956 char *whitename, *blackname, *why, *endtoken;
3957 ChessMove endtype = EndOfFile;
3960 whitename = star_match[1];
3961 blackname = star_match[2];
3962 why = star_match[3];
3963 endtoken = star_match[4];
3965 whitename = star_match[1];
3966 blackname = star_match[3];
3967 why = star_match[5];
3968 endtoken = star_match[6];
3971 /* Game start messages */
3972 if (strncmp(why, "Creating ", 9) == 0 ||
3973 strncmp(why, "Continuing ", 11) == 0) {
3974 gs_gamenum = gamenum;
3975 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3976 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3977 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3979 if (appData.zippyPlay) {
3980 ZippyGameStart(whitename, blackname);
3983 partnerBoardValid = FALSE; // [HGM] bughouse
3987 /* Game end messages */
3988 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3989 ics_gamenum != gamenum) {
3992 while (endtoken[0] == ' ') endtoken++;
3993 switch (endtoken[0]) {
3996 endtype = GameUnfinished;
3999 endtype = BlackWins;
4002 if (endtoken[1] == '/')
4003 endtype = GameIsDrawn;
4005 endtype = WhiteWins;
4008 GameEnds(endtype, why, GE_ICS);
4010 if (appData.zippyPlay && first.initDone) {
4011 ZippyGameEnd(endtype, why);
4012 if (first.pr == NoProc) {
4013 /* Start the next process early so that we'll
4014 be ready for the next challenge */
4015 StartChessProgram(&first);
4017 /* Send "new" early, in case this command takes
4018 a long time to finish, so that we'll be ready
4019 for the next challenge. */
4020 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4024 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4028 if (looking_at(buf, &i, "Removing game * from observation") ||
4029 looking_at(buf, &i, "no longer observing game *") ||
4030 looking_at(buf, &i, "Game * (*) has no examiners")) {
4031 if (gameMode == IcsObserving &&
4032 atoi(star_match[0]) == ics_gamenum)
4034 /* icsEngineAnalyze */
4035 if (appData.icsEngineAnalyze) {
4042 ics_user_moved = FALSE;
4047 if (looking_at(buf, &i, "no longer examining game *")) {
4048 if (gameMode == IcsExamining &&
4049 atoi(star_match[0]) == ics_gamenum)
4053 ics_user_moved = FALSE;
4058 /* Advance leftover_start past any newlines we find,
4059 so only partial lines can get reparsed */
4060 if (looking_at(buf, &i, "\n")) {
4061 prevColor = curColor;
4062 if (curColor != ColorNormal) {
4063 if (oldi > next_out) {
4064 SendToPlayer(&buf[next_out], oldi - next_out);
4067 Colorize(ColorNormal, FALSE);
4068 curColor = ColorNormal;
4070 if (started == STARTED_BOARD) {
4071 started = STARTED_NONE;
4072 parse[parse_pos] = NULLCHAR;
4073 ParseBoard12(parse);
4076 /* Send premove here */
4077 if (appData.premove) {
4079 if (currentMove == 0 &&
4080 gameMode == IcsPlayingWhite &&
4081 appData.premoveWhite) {
4082 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4083 if (appData.debugMode)
4084 fprintf(debugFP, "Sending premove:\n");
4086 } else if (currentMove == 1 &&
4087 gameMode == IcsPlayingBlack &&
4088 appData.premoveBlack) {
4089 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4090 if (appData.debugMode)
4091 fprintf(debugFP, "Sending premove:\n");
4093 } else if (gotPremove) {
4095 ClearPremoveHighlights();
4096 if (appData.debugMode)
4097 fprintf(debugFP, "Sending premove:\n");
4098 UserMoveEvent(premoveFromX, premoveFromY,
4099 premoveToX, premoveToY,
4104 /* Usually suppress following prompt */
4105 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4106 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4107 if (looking_at(buf, &i, "*% ")) {
4108 savingComment = FALSE;
4113 } else if (started == STARTED_HOLDINGS) {
4115 char new_piece[MSG_SIZ];
4116 started = STARTED_NONE;
4117 parse[parse_pos] = NULLCHAR;
4118 if (appData.debugMode)
4119 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4120 parse, currentMove);
4121 if (sscanf(parse, " game %d", &gamenum) == 1) {
4122 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4123 if (gameInfo.variant == VariantNormal) {
4124 /* [HGM] We seem to switch variant during a game!
4125 * Presumably no holdings were displayed, so we have
4126 * to move the position two files to the right to
4127 * create room for them!
4129 VariantClass newVariant;
4130 switch(gameInfo.boardWidth) { // base guess on board width
4131 case 9: newVariant = VariantShogi; break;
4132 case 10: newVariant = VariantGreat; break;
4133 default: newVariant = VariantCrazyhouse; break;
4135 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4136 /* Get a move list just to see the header, which
4137 will tell us whether this is really bug or zh */
4138 if (ics_getting_history == H_FALSE) {
4139 ics_getting_history = H_REQUESTED;
4140 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4144 new_piece[0] = NULLCHAR;
4145 sscanf(parse, "game %d white [%s black [%s <- %s",
4146 &gamenum, white_holding, black_holding,
4148 white_holding[strlen(white_holding)-1] = NULLCHAR;
4149 black_holding[strlen(black_holding)-1] = NULLCHAR;
4150 /* [HGM] copy holdings to board holdings area */
4151 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4152 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4153 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4155 if (appData.zippyPlay && first.initDone) {
4156 ZippyHoldings(white_holding, black_holding,
4160 if (tinyLayout || smallLayout) {
4161 char wh[16], bh[16];
4162 PackHolding(wh, white_holding);
4163 PackHolding(bh, black_holding);
4164 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4165 gameInfo.white, gameInfo.black);
4167 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4168 gameInfo.white, white_holding, _("vs."),
4169 gameInfo.black, black_holding);
4171 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4172 DrawPosition(FALSE, boards[currentMove]);
4174 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4175 sscanf(parse, "game %d white [%s black [%s <- %s",
4176 &gamenum, white_holding, black_holding,
4178 white_holding[strlen(white_holding)-1] = NULLCHAR;
4179 black_holding[strlen(black_holding)-1] = NULLCHAR;
4180 /* [HGM] copy holdings to partner-board holdings area */
4181 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4182 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4183 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4184 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4185 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4188 /* Suppress following prompt */
4189 if (looking_at(buf, &i, "*% ")) {
4190 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4191 savingComment = FALSE;
4199 i++; /* skip unparsed character and loop back */
4202 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4203 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4204 // SendToPlayer(&buf[next_out], i - next_out);
4205 started != STARTED_HOLDINGS && leftover_start > next_out) {
4206 SendToPlayer(&buf[next_out], leftover_start - next_out);
4210 leftover_len = buf_len - leftover_start;
4211 /* if buffer ends with something we couldn't parse,
4212 reparse it after appending the next read */
4214 } else if (count == 0) {
4215 RemoveInputSource(isr);
4216 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4218 DisplayFatalError(_("Error reading from ICS"), error, 1);
4223 /* Board style 12 looks like this:
4225 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4227 * The "<12> " is stripped before it gets to this routine. The two
4228 * trailing 0's (flip state and clock ticking) are later addition, and
4229 * some chess servers may not have them, or may have only the first.
4230 * Additional trailing fields may be added in the future.
4233 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4235 #define RELATION_OBSERVING_PLAYED 0
4236 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4237 #define RELATION_PLAYING_MYMOVE 1
4238 #define RELATION_PLAYING_NOTMYMOVE -1
4239 #define RELATION_EXAMINING 2
4240 #define RELATION_ISOLATED_BOARD -3
4241 #define RELATION_STARTING_POSITION -4 /* FICS only */
4244 ParseBoard12 (char *string)
4248 char *bookHit = NULL; // [HGM] book
4250 GameMode newGameMode;
4251 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4252 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4253 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4254 char to_play, board_chars[200];
4255 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4256 char black[32], white[32];
4258 int prevMove = currentMove;
4261 int fromX, fromY, toX, toY;
4263 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4264 Boolean weird = FALSE, reqFlag = FALSE;
4266 fromX = fromY = toX = toY = -1;
4270 if (appData.debugMode)
4271 fprintf(debugFP, "Parsing board: %s\n", string);
4273 move_str[0] = NULLCHAR;
4274 elapsed_time[0] = NULLCHAR;
4275 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4277 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4278 if(string[i] == ' ') { ranks++; files = 0; }
4280 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4283 for(j = 0; j <i; j++) board_chars[j] = string[j];
4284 board_chars[i] = '\0';
4287 n = sscanf(string, PATTERN, &to_play, &double_push,
4288 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4289 &gamenum, white, black, &relation, &basetime, &increment,
4290 &white_stren, &black_stren, &white_time, &black_time,
4291 &moveNum, str, elapsed_time, move_str, &ics_flip,
4295 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4296 DisplayError(str, 0);
4300 /* Convert the move number to internal form */
4301 moveNum = (moveNum - 1) * 2;
4302 if (to_play == 'B') moveNum++;
4303 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4304 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4310 case RELATION_OBSERVING_PLAYED:
4311 case RELATION_OBSERVING_STATIC:
4312 if (gamenum == -1) {
4313 /* Old ICC buglet */
4314 relation = RELATION_OBSERVING_STATIC;
4316 newGameMode = IcsObserving;
4318 case RELATION_PLAYING_MYMOVE:
4319 case RELATION_PLAYING_NOTMYMOVE:
4321 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4322 IcsPlayingWhite : IcsPlayingBlack;
4323 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4325 case RELATION_EXAMINING:
4326 newGameMode = IcsExamining;
4328 case RELATION_ISOLATED_BOARD:
4330 /* Just display this board. If user was doing something else,
4331 we will forget about it until the next board comes. */
4332 newGameMode = IcsIdle;
4334 case RELATION_STARTING_POSITION:
4335 newGameMode = gameMode;
4339 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4340 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4341 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4342 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4343 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4344 static int lastBgGame = -1;
4346 for (k = 0; k < ranks; k++) {
4347 for (j = 0; j < files; j++)
4348 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4349 if(gameInfo.holdingsWidth > 1) {
4350 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4351 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4354 CopyBoard(partnerBoard, board);
4355 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4356 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4357 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4358 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4359 if(toSqr = strchr(str, '-')) {
4360 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4361 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4362 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4363 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4364 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4365 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4367 DisplayWhiteClock(white_time*fac, to_play == 'W');
4368 DisplayBlackClock(black_time*fac, to_play != 'W');
4369 activePartner = to_play;
4370 if(gamenum != lastBgGame) {
4372 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4375 lastBgGame = gamenum;
4376 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4377 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4378 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4379 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4380 if(!twoBoards) DisplayMessage(partnerStatus, "");
4381 partnerBoardValid = TRUE;
4385 if(appData.dualBoard && appData.bgObserve) {
4386 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4387 SendToICS(ics_prefix), SendToICS("pobserve\n");
4388 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4390 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4395 /* Modify behavior for initial board display on move listing
4398 switch (ics_getting_history) {
4402 case H_GOT_REQ_HEADER:
4403 case H_GOT_UNREQ_HEADER:
4404 /* This is the initial position of the current game */
4405 gamenum = ics_gamenum;
4406 moveNum = 0; /* old ICS bug workaround */
4407 if (to_play == 'B') {
4408 startedFromSetupPosition = TRUE;
4409 blackPlaysFirst = TRUE;
4411 if (forwardMostMove == 0) forwardMostMove = 1;
4412 if (backwardMostMove == 0) backwardMostMove = 1;
4413 if (currentMove == 0) currentMove = 1;
4415 newGameMode = gameMode;
4416 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4418 case H_GOT_UNWANTED_HEADER:
4419 /* This is an initial board that we don't want */
4421 case H_GETTING_MOVES:
4422 /* Should not happen */
4423 DisplayError(_("Error gathering move list: extra board"), 0);
4424 ics_getting_history = H_FALSE;
4428 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4429 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4430 weird && (int)gameInfo.variant < (int)VariantShogi) {
4431 /* [HGM] We seem to have switched variant unexpectedly
4432 * Try to guess new variant from board size
4434 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4435 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4436 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4437 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4438 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4439 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4440 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4441 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4442 /* Get a move list just to see the header, which
4443 will tell us whether this is really bug or zh */
4444 if (ics_getting_history == H_FALSE) {
4445 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4446 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4451 /* Take action if this is the first board of a new game, or of a
4452 different game than is currently being displayed. */
4453 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4454 relation == RELATION_ISOLATED_BOARD) {
4456 /* Forget the old game and get the history (if any) of the new one */
4457 if (gameMode != BeginningOfGame) {
4461 if (appData.autoRaiseBoard) BoardToTop();
4463 if (gamenum == -1) {
4464 newGameMode = IcsIdle;
4465 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4466 appData.getMoveList && !reqFlag) {
4467 /* Need to get game history */
4468 ics_getting_history = H_REQUESTED;
4469 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4473 /* Initially flip the board to have black on the bottom if playing
4474 black or if the ICS flip flag is set, but let the user change
4475 it with the Flip View button. */
4476 flipView = appData.autoFlipView ?
4477 (newGameMode == IcsPlayingBlack) || ics_flip :
4480 /* Done with values from previous mode; copy in new ones */
4481 gameMode = newGameMode;
4483 ics_gamenum = gamenum;
4484 if (gamenum == gs_gamenum) {
4485 int klen = strlen(gs_kind);
4486 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4487 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4488 gameInfo.event = StrSave(str);
4490 gameInfo.event = StrSave("ICS game");
4492 gameInfo.site = StrSave(appData.icsHost);
4493 gameInfo.date = PGNDate();
4494 gameInfo.round = StrSave("-");
4495 gameInfo.white = StrSave(white);
4496 gameInfo.black = StrSave(black);
4497 timeControl = basetime * 60 * 1000;
4499 timeIncrement = increment * 1000;
4500 movesPerSession = 0;
4501 gameInfo.timeControl = TimeControlTagValue();
4502 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4503 if (appData.debugMode) {
4504 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4505 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4506 setbuf(debugFP, NULL);
4509 gameInfo.outOfBook = NULL;
4511 /* Do we have the ratings? */
4512 if (strcmp(player1Name, white) == 0 &&
4513 strcmp(player2Name, black) == 0) {
4514 if (appData.debugMode)
4515 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4516 player1Rating, player2Rating);
4517 gameInfo.whiteRating = player1Rating;
4518 gameInfo.blackRating = player2Rating;
4519 } else if (strcmp(player2Name, white) == 0 &&
4520 strcmp(player1Name, black) == 0) {
4521 if (appData.debugMode)
4522 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4523 player2Rating, player1Rating);
4524 gameInfo.whiteRating = player2Rating;
4525 gameInfo.blackRating = player1Rating;
4527 player1Name[0] = player2Name[0] = NULLCHAR;
4529 /* Silence shouts if requested */
4530 if (appData.quietPlay &&
4531 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4532 SendToICS(ics_prefix);
4533 SendToICS("set shout 0\n");
4537 /* Deal with midgame name changes */
4539 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4540 if (gameInfo.white) free(gameInfo.white);
4541 gameInfo.white = StrSave(white);
4543 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4544 if (gameInfo.black) free(gameInfo.black);
4545 gameInfo.black = StrSave(black);
4549 /* Throw away game result if anything actually changes in examine mode */
4550 if (gameMode == IcsExamining && !newGame) {
4551 gameInfo.result = GameUnfinished;
4552 if (gameInfo.resultDetails != NULL) {
4553 free(gameInfo.resultDetails);
4554 gameInfo.resultDetails = NULL;
4558 /* In pausing && IcsExamining mode, we ignore boards coming
4559 in if they are in a different variation than we are. */
4560 if (pauseExamInvalid) return;
4561 if (pausing && gameMode == IcsExamining) {
4562 if (moveNum <= pauseExamForwardMostMove) {
4563 pauseExamInvalid = TRUE;
4564 forwardMostMove = pauseExamForwardMostMove;
4569 if (appData.debugMode) {
4570 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4572 /* Parse the board */
4573 for (k = 0; k < ranks; k++) {
4574 for (j = 0; j < files; j++)
4575 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4576 if(gameInfo.holdingsWidth > 1) {
4577 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4578 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4581 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4582 board[5][BOARD_RGHT+1] = WhiteAngel;
4583 board[6][BOARD_RGHT+1] = WhiteMarshall;
4584 board[1][0] = BlackMarshall;
4585 board[2][0] = BlackAngel;
4586 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4588 CopyBoard(boards[moveNum], board);
4589 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4591 startedFromSetupPosition =
4592 !CompareBoards(board, initialPosition);
4593 if(startedFromSetupPosition)
4594 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4597 /* [HGM] Set castling rights. Take the outermost Rooks,
4598 to make it also work for FRC opening positions. Note that board12
4599 is really defective for later FRC positions, as it has no way to
4600 indicate which Rook can castle if they are on the same side of King.
4601 For the initial position we grant rights to the outermost Rooks,
4602 and remember thos rights, and we then copy them on positions
4603 later in an FRC game. This means WB might not recognize castlings with
4604 Rooks that have moved back to their original position as illegal,
4605 but in ICS mode that is not its job anyway.
4607 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4608 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4610 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4611 if(board[0][i] == WhiteRook) j = i;
4612 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4613 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4614 if(board[0][i] == WhiteRook) j = i;
4615 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4616 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4617 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4618 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4619 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4620 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4621 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4623 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4624 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4625 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4626 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4627 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4628 if(board[BOARD_HEIGHT-1][k] == bKing)
4629 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4630 if(gameInfo.variant == VariantTwoKings) {
4631 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4632 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4633 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4636 r = boards[moveNum][CASTLING][0] = initialRights[0];
4637 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4638 r = boards[moveNum][CASTLING][1] = initialRights[1];
4639 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4640 r = boards[moveNum][CASTLING][3] = initialRights[3];
4641 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4642 r = boards[moveNum][CASTLING][4] = initialRights[4];
4643 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4644 /* wildcastle kludge: always assume King has rights */
4645 r = boards[moveNum][CASTLING][2] = initialRights[2];
4646 r = boards[moveNum][CASTLING][5] = initialRights[5];
4648 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4649 boards[moveNum][EP_STATUS] = EP_NONE;
4650 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4651 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4652 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4655 if (ics_getting_history == H_GOT_REQ_HEADER ||
4656 ics_getting_history == H_GOT_UNREQ_HEADER) {
4657 /* This was an initial position from a move list, not
4658 the current position */
4662 /* Update currentMove and known move number limits */
4663 newMove = newGame || moveNum > forwardMostMove;
4666 forwardMostMove = backwardMostMove = currentMove = moveNum;
4667 if (gameMode == IcsExamining && moveNum == 0) {
4668 /* Workaround for ICS limitation: we are not told the wild
4669 type when starting to examine a game. But if we ask for
4670 the move list, the move list header will tell us */
4671 ics_getting_history = H_REQUESTED;
4672 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4675 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4676 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4678 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4679 /* [HGM] applied this also to an engine that is silently watching */
4680 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4681 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4682 gameInfo.variant == currentlyInitializedVariant) {
4683 takeback = forwardMostMove - moveNum;
4684 for (i = 0; i < takeback; i++) {
4685 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4686 SendToProgram("undo\n", &first);
4691 forwardMostMove = moveNum;
4692 if (!pausing || currentMove > forwardMostMove)
4693 currentMove = forwardMostMove;
4695 /* New part of history that is not contiguous with old part */
4696 if (pausing && gameMode == IcsExamining) {
4697 pauseExamInvalid = TRUE;
4698 forwardMostMove = pauseExamForwardMostMove;
4701 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4703 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4704 // [HGM] when we will receive the move list we now request, it will be
4705 // fed to the engine from the first move on. So if the engine is not
4706 // in the initial position now, bring it there.
4707 InitChessProgram(&first, 0);
4710 ics_getting_history = H_REQUESTED;
4711 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4714 forwardMostMove = backwardMostMove = currentMove = moveNum;
4717 /* Update the clocks */
4718 if (strchr(elapsed_time, '.')) {
4720 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4721 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4723 /* Time is in seconds */
4724 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4725 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4730 if (appData.zippyPlay && newGame &&
4731 gameMode != IcsObserving && gameMode != IcsIdle &&
4732 gameMode != IcsExamining)
4733 ZippyFirstBoard(moveNum, basetime, increment);
4736 /* Put the move on the move list, first converting
4737 to canonical algebraic form. */
4739 if (appData.debugMode) {
4740 int f = forwardMostMove;
4741 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4742 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4743 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4744 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4745 fprintf(debugFP, "moveNum = %d\n", moveNum);
4746 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4747 setbuf(debugFP, NULL);
4749 if (moveNum <= backwardMostMove) {
4750 /* We don't know what the board looked like before
4752 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4753 strcat(parseList[moveNum - 1], " ");
4754 strcat(parseList[moveNum - 1], elapsed_time);
4755 moveList[moveNum - 1][0] = NULLCHAR;
4756 } else if (strcmp(move_str, "none") == 0) {
4757 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4758 /* Again, we don't know what the board looked like;
4759 this is really the start of the game. */
4760 parseList[moveNum - 1][0] = NULLCHAR;
4761 moveList[moveNum - 1][0] = NULLCHAR;
4762 backwardMostMove = moveNum;
4763 startedFromSetupPosition = TRUE;
4764 fromX = fromY = toX = toY = -1;
4766 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4767 // So we parse the long-algebraic move string in stead of the SAN move
4768 int valid; char buf[MSG_SIZ], *prom;
4770 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4771 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4772 // str looks something like "Q/a1-a2"; kill the slash
4774 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4775 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4776 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4777 strcat(buf, prom); // long move lacks promo specification!
4778 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4779 if(appData.debugMode)
4780 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4781 safeStrCpy(move_str, buf, MSG_SIZ);
4783 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4784 &fromX, &fromY, &toX, &toY, &promoChar)
4785 || ParseOneMove(buf, moveNum - 1, &moveType,
4786 &fromX, &fromY, &toX, &toY, &promoChar);
4787 // end of long SAN patch
4789 (void) CoordsToAlgebraic(boards[moveNum - 1],
4790 PosFlags(moveNum - 1),
4791 fromY, fromX, toY, toX, promoChar,
4792 parseList[moveNum-1]);
4793 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4799 if(gameInfo.variant != VariantShogi)
4800 strcat(parseList[moveNum - 1], "+");
4803 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4804 strcat(parseList[moveNum - 1], "#");
4807 strcat(parseList[moveNum - 1], " ");
4808 strcat(parseList[moveNum - 1], elapsed_time);
4809 /* currentMoveString is set as a side-effect of ParseOneMove */
4810 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4811 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4812 strcat(moveList[moveNum - 1], "\n");
4814 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4815 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4816 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4817 ChessSquare old, new = boards[moveNum][k][j];
4818 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4819 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4820 if(old == new) continue;
4821 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4822 else if(new == WhiteWazir || new == BlackWazir) {
4823 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4824 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4825 else boards[moveNum][k][j] = old; // preserve type of Gold
4826 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4827 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4830 /* Move from ICS was illegal!? Punt. */
4831 if (appData.debugMode) {
4832 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4833 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4835 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4836 strcat(parseList[moveNum - 1], " ");
4837 strcat(parseList[moveNum - 1], elapsed_time);
4838 moveList[moveNum - 1][0] = NULLCHAR;
4839 fromX = fromY = toX = toY = -1;
4842 if (appData.debugMode) {
4843 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4844 setbuf(debugFP, NULL);
4848 /* Send move to chess program (BEFORE animating it). */
4849 if (appData.zippyPlay && !newGame && newMove &&
4850 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4852 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4853 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4854 if (moveList[moveNum - 1][0] == NULLCHAR) {
4855 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4857 DisplayError(str, 0);
4859 if (first.sendTime) {
4860 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4862 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4863 if (firstMove && !bookHit) {
4865 if (first.useColors) {
4866 SendToProgram(gameMode == IcsPlayingWhite ?
4868 "black\ngo\n", &first);
4870 SendToProgram("go\n", &first);
4872 first.maybeThinking = TRUE;
4875 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4876 if (moveList[moveNum - 1][0] == NULLCHAR) {
4877 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4878 DisplayError(str, 0);
4880 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4881 SendMoveToProgram(moveNum - 1, &first);
4888 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4889 /* If move comes from a remote source, animate it. If it
4890 isn't remote, it will have already been animated. */
4891 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4892 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4894 if (!pausing && appData.highlightLastMove) {
4895 SetHighlights(fromX, fromY, toX, toY);
4899 /* Start the clocks */
4900 whiteFlag = blackFlag = FALSE;
4901 appData.clockMode = !(basetime == 0 && increment == 0);
4903 ics_clock_paused = TRUE;
4905 } else if (ticking == 1) {
4906 ics_clock_paused = FALSE;
4908 if (gameMode == IcsIdle ||
4909 relation == RELATION_OBSERVING_STATIC ||
4910 relation == RELATION_EXAMINING ||
4912 DisplayBothClocks();
4916 /* Display opponents and material strengths */
4917 if (gameInfo.variant != VariantBughouse &&
4918 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4919 if (tinyLayout || smallLayout) {
4920 if(gameInfo.variant == VariantNormal)
4921 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4922 gameInfo.white, white_stren, gameInfo.black, black_stren,
4923 basetime, increment);
4925 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4926 gameInfo.white, white_stren, gameInfo.black, black_stren,
4927 basetime, increment, (int) gameInfo.variant);
4929 if(gameInfo.variant == VariantNormal)
4930 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4931 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4932 basetime, increment);
4934 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4935 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4936 basetime, increment, VariantName(gameInfo.variant));
4939 if (appData.debugMode) {
4940 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4945 /* Display the board */
4946 if (!pausing && !appData.noGUI) {
4948 if (appData.premove)
4950 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4951 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4952 ClearPremoveHighlights();
4954 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4955 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4956 DrawPosition(j, boards[currentMove]);
4958 DisplayMove(moveNum - 1);
4959 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4960 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4961 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4962 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4966 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4968 if(bookHit) { // [HGM] book: simulate book reply
4969 static char bookMove[MSG_SIZ]; // a bit generous?
4971 programStats.nodes = programStats.depth = programStats.time =
4972 programStats.score = programStats.got_only_move = 0;
4973 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4975 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4976 strcat(bookMove, bookHit);
4977 HandleMachineMove(bookMove, &first);
4986 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4987 ics_getting_history = H_REQUESTED;
4988 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4994 SendToBoth (char *msg)
4995 { // to make it easy to keep two engines in step in dual analysis
4996 SendToProgram(msg, &first);
4997 if(second.analyzing) SendToProgram(msg, &second);
5001 AnalysisPeriodicEvent (int force)
5003 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5004 && !force) || !appData.periodicUpdates)
5007 /* Send . command to Crafty to collect stats */
5010 /* Don't send another until we get a response (this makes
5011 us stop sending to old Crafty's which don't understand
5012 the "." command (sending illegal cmds resets node count & time,
5013 which looks bad)) */
5014 programStats.ok_to_send = 0;
5018 ics_update_width (int new_width)
5020 ics_printf("set width %d\n", new_width);
5024 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5028 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5029 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5030 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5031 SendToProgram(buf, cps);
5034 // null move in variant where engine does not understand it (for analysis purposes)
5035 SendBoard(cps, moveNum + 1); // send position after move in stead.
5038 if (cps->useUsermove) {
5039 SendToProgram("usermove ", cps);
5043 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5044 int len = space - parseList[moveNum];
5045 memcpy(buf, parseList[moveNum], len);
5047 buf[len] = NULLCHAR;
5049 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5051 SendToProgram(buf, cps);
5053 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5054 AlphaRank(moveList[moveNum], 4);
5055 SendToProgram(moveList[moveNum], cps);
5056 AlphaRank(moveList[moveNum], 4); // and back
5058 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5059 * the engine. It would be nice to have a better way to identify castle
5061 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5062 && cps->useOOCastle) {
5063 int fromX = moveList[moveNum][0] - AAA;
5064 int fromY = moveList[moveNum][1] - ONE;
5065 int toX = moveList[moveNum][2] - AAA;
5066 int toY = moveList[moveNum][3] - ONE;
5067 if((boards[moveNum][fromY][fromX] == WhiteKing
5068 && boards[moveNum][toY][toX] == WhiteRook)
5069 || (boards[moveNum][fromY][fromX] == BlackKing
5070 && boards[moveNum][toY][toX] == BlackRook)) {
5071 if(toX > fromX) SendToProgram("O-O\n", cps);
5072 else SendToProgram("O-O-O\n", cps);
5074 else SendToProgram(moveList[moveNum], cps);
5076 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5077 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5078 moveList[moveNum][5], moveList[moveNum][6] - '0',
5079 moveList[moveNum][5], moveList[moveNum][6] - '0',
5080 moveList[moveNum][2], moveList[moveNum][3] - '0');
5081 SendToProgram(buf, cps);
5083 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5084 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5085 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5086 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5087 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5089 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5090 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5091 SendToProgram(buf, cps);
5093 else SendToProgram(moveList[moveNum], cps);
5094 /* End of additions by Tord */
5097 /* [HGM] setting up the opening has brought engine in force mode! */
5098 /* Send 'go' if we are in a mode where machine should play. */
5099 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5100 (gameMode == TwoMachinesPlay ||
5102 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5104 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5105 SendToProgram("go\n", cps);
5106 if (appData.debugMode) {
5107 fprintf(debugFP, "(extra)\n");
5110 setboardSpoiledMachineBlack = 0;
5114 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5116 char user_move[MSG_SIZ];
5119 if(gameInfo.variant == VariantSChess && promoChar) {
5120 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5121 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5122 } else suffix[0] = NULLCHAR;
5126 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5127 (int)moveType, fromX, fromY, toX, toY);
5128 DisplayError(user_move + strlen("say "), 0);
5130 case WhiteKingSideCastle:
5131 case BlackKingSideCastle:
5132 case WhiteQueenSideCastleWild:
5133 case BlackQueenSideCastleWild:
5135 case WhiteHSideCastleFR:
5136 case BlackHSideCastleFR:
5138 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5140 case WhiteQueenSideCastle:
5141 case BlackQueenSideCastle:
5142 case WhiteKingSideCastleWild:
5143 case BlackKingSideCastleWild:
5145 case WhiteASideCastleFR:
5146 case BlackASideCastleFR:
5148 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5150 case WhiteNonPromotion:
5151 case BlackNonPromotion:
5152 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5154 case WhitePromotion:
5155 case BlackPromotion:
5156 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5157 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5158 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5159 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5160 PieceToChar(WhiteFerz));
5161 else if(gameInfo.variant == VariantGreat)
5162 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5163 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5164 PieceToChar(WhiteMan));
5166 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5167 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5173 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5174 ToUpper(PieceToChar((ChessSquare) fromX)),
5175 AAA + toX, ONE + toY);
5177 case IllegalMove: /* could be a variant we don't quite understand */
5178 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5180 case WhiteCapturesEnPassant:
5181 case BlackCapturesEnPassant:
5182 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5183 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5186 SendToICS(user_move);
5187 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5188 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5193 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5194 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5195 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5196 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5197 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5200 if(gameMode != IcsExamining) { // is this ever not the case?
5201 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5203 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5204 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5205 } else { // on FICS we must first go to general examine mode
5206 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5208 if(gameInfo.variant != VariantNormal) {
5209 // try figure out wild number, as xboard names are not always valid on ICS
5210 for(i=1; i<=36; i++) {
5211 snprintf(buf, MSG_SIZ, "wild/%d", i);
5212 if(StringToVariant(buf) == gameInfo.variant) break;
5214 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5215 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5216 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5217 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5218 SendToICS(ics_prefix);
5220 if(startedFromSetupPosition || backwardMostMove != 0) {
5221 fen = PositionToFEN(backwardMostMove, NULL, 1);
5222 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5223 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5225 } else { // FICS: everything has to set by separate bsetup commands
5226 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5227 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5229 if(!WhiteOnMove(backwardMostMove)) {
5230 SendToICS("bsetup tomove black\n");
5232 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5233 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5235 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5236 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5238 i = boards[backwardMostMove][EP_STATUS];
5239 if(i >= 0) { // set e.p.
5240 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5246 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5247 SendToICS("bsetup done\n"); // switch to normal examining.
5249 for(i = backwardMostMove; i<last; i++) {
5251 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5252 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5253 int len = strlen(moveList[i]);
5254 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5255 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5259 SendToICS(ics_prefix);
5260 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5263 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5266 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5268 if (rf == DROP_RANK) {
5269 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5270 sprintf(move, "%c@%c%c\n",
5271 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5273 if (promoChar == 'x' || promoChar == NULLCHAR) {
5274 sprintf(move, "%c%c%c%c\n",
5275 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5276 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5278 sprintf(move, "%c%c%c%c%c\n",
5279 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5285 ProcessICSInitScript (FILE *f)
5289 while (fgets(buf, MSG_SIZ, f)) {
5290 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5297 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5299 static ClickType lastClickType;
5302 Partner (ChessSquare *p)
5303 { // change piece into promotion partner if one shogi-promotes to the other
5304 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5305 ChessSquare partner;
5306 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5307 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5315 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5316 static int toggleFlag;
5317 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5318 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5319 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5320 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5321 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5322 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5324 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5325 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5326 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5327 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5328 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5329 if(!step) step = -1;
5330 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5331 appData.testLegality && (promoSweep == king || promoSweep == WhiteLion || promoSweep == BlackLion));
5333 int victim = boards[currentMove][toY][toX];
5334 boards[currentMove][toY][toX] = promoSweep;
5335 DrawPosition(FALSE, boards[currentMove]);
5336 boards[currentMove][toY][toX] = victim;
5338 ChangeDragPiece(promoSweep);
5342 PromoScroll (int x, int y)
5346 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5347 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5348 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5349 if(!step) return FALSE;
5350 lastX = x; lastY = y;
5351 if((promoSweep < BlackPawn) == flipView) step = -step;
5352 if(step > 0) selectFlag = 1;
5353 if(!selectFlag) Sweep(step);
5358 NextPiece (int step)
5360 ChessSquare piece = boards[currentMove][toY][toX];
5363 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5364 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5365 if(!step) step = -1;
5366 } while(PieceToChar(pieceSweep) == '.');
5367 boards[currentMove][toY][toX] = pieceSweep;
5368 DrawPosition(FALSE, boards[currentMove]);
5369 boards[currentMove][toY][toX] = piece;
5371 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5373 AlphaRank (char *move, int n)
5375 // char *p = move, c; int x, y;
5377 if (appData.debugMode) {
5378 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5382 move[2]>='0' && move[2]<='9' &&
5383 move[3]>='a' && move[3]<='x' ) {
5385 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5386 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5388 if(move[0]>='0' && move[0]<='9' &&
5389 move[1]>='a' && move[1]<='x' &&
5390 move[2]>='0' && move[2]<='9' &&
5391 move[3]>='a' && move[3]<='x' ) {
5392 /* input move, Shogi -> normal */
5393 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5394 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5395 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5396 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5399 move[3]>='0' && move[3]<='9' &&
5400 move[2]>='a' && move[2]<='x' ) {
5402 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5403 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5406 move[0]>='a' && move[0]<='x' &&
5407 move[3]>='0' && move[3]<='9' &&
5408 move[2]>='a' && move[2]<='x' ) {
5409 /* output move, normal -> Shogi */
5410 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5411 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5412 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5413 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5414 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5416 if (appData.debugMode) {
5417 fprintf(debugFP, " out = '%s'\n", move);
5421 char yy_textstr[8000];
5423 /* Parser for moves from gnuchess, ICS, or user typein box */
5425 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5427 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5429 switch (*moveType) {
5430 case WhitePromotion:
5431 case BlackPromotion:
5432 case WhiteNonPromotion:
5433 case BlackNonPromotion:
5436 case WhiteCapturesEnPassant:
5437 case BlackCapturesEnPassant:
5438 case WhiteKingSideCastle:
5439 case WhiteQueenSideCastle:
5440 case BlackKingSideCastle:
5441 case BlackQueenSideCastle:
5442 case WhiteKingSideCastleWild:
5443 case WhiteQueenSideCastleWild:
5444 case BlackKingSideCastleWild:
5445 case BlackQueenSideCastleWild:
5446 /* Code added by Tord: */
5447 case WhiteHSideCastleFR:
5448 case WhiteASideCastleFR:
5449 case BlackHSideCastleFR:
5450 case BlackASideCastleFR:
5451 /* End of code added by Tord */
5452 case IllegalMove: /* bug or odd chess variant */
5453 *fromX = currentMoveString[0] - AAA;
5454 *fromY = currentMoveString[1] - ONE;
5455 *toX = currentMoveString[2] - AAA;
5456 *toY = currentMoveString[3] - ONE;
5457 *promoChar = currentMoveString[4];
5458 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5459 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5460 if (appData.debugMode) {
5461 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5463 *fromX = *fromY = *toX = *toY = 0;
5466 if (appData.testLegality) {
5467 return (*moveType != IllegalMove);
5469 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5470 // [HGM] lion: if this is a double move we are less critical
5471 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5476 *fromX = *moveType == WhiteDrop ?
5477 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5478 (int) CharToPiece(ToLower(currentMoveString[0]));
5480 *toX = currentMoveString[2] - AAA;
5481 *toY = currentMoveString[3] - ONE;
5482 *promoChar = NULLCHAR;
5486 case ImpossibleMove:
5496 if (appData.debugMode) {
5497 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5500 *fromX = *fromY = *toX = *toY = 0;
5501 *promoChar = NULLCHAR;
5506 Boolean pushed = FALSE;
5507 char *lastParseAttempt;
5510 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5511 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5512 int fromX, fromY, toX, toY; char promoChar;
5517 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5518 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5519 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5522 endPV = forwardMostMove;
5524 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5525 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5526 lastParseAttempt = pv;
5527 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5528 if(!valid && nr == 0 &&
5529 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5530 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5531 // Hande case where played move is different from leading PV move
5532 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5533 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5534 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5535 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5536 endPV += 2; // if position different, keep this
5537 moveList[endPV-1][0] = fromX + AAA;
5538 moveList[endPV-1][1] = fromY + ONE;
5539 moveList[endPV-1][2] = toX + AAA;
5540 moveList[endPV-1][3] = toY + ONE;
5541 parseList[endPV-1][0] = NULLCHAR;
5542 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5545 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5546 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5547 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5548 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5549 valid++; // allow comments in PV
5553 if(endPV+1 > framePtr) break; // no space, truncate
5556 CopyBoard(boards[endPV], boards[endPV-1]);
5557 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5558 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5559 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5560 CoordsToAlgebraic(boards[endPV - 1],
5561 PosFlags(endPV - 1),
5562 fromY, fromX, toY, toX, promoChar,
5563 parseList[endPV - 1]);
5565 if(atEnd == 2) return; // used hidden, for PV conversion
5566 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5567 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5568 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5569 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5570 DrawPosition(TRUE, boards[currentMove]);
5574 MultiPV (ChessProgramState *cps)
5575 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5577 for(i=0; i<cps->nrOptions; i++)
5578 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5583 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5586 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5588 int startPV, multi, lineStart, origIndex = index;
5589 char *p, buf2[MSG_SIZ];
5590 ChessProgramState *cps = (pane ? &second : &first);
5592 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5593 lastX = x; lastY = y;
5594 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5595 lineStart = startPV = index;
5596 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5597 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5599 do{ while(buf[index] && buf[index] != '\n') index++;
5600 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5602 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5603 int n = cps->option[multi].value;
5604 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5605 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5606 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5607 cps->option[multi].value = n;
5610 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5611 ExcludeClick(origIndex - lineStart);
5614 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5615 *start = startPV; *end = index-1;
5616 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5623 static char buf[10*MSG_SIZ];
5624 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5626 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5627 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5628 for(i = forwardMostMove; i<endPV; i++){
5629 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5630 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5633 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5634 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5635 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5641 LoadPV (int x, int y)
5642 { // called on right mouse click to load PV
5643 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5644 lastX = x; lastY = y;
5645 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5653 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5654 if(endPV < 0) return;
5655 if(appData.autoCopyPV) CopyFENToClipboard();
5657 if(extendGame && currentMove > forwardMostMove) {
5658 Boolean saveAnimate = appData.animate;
5660 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5661 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5662 } else storedGames--; // abandon shelved tail of original game
5665 forwardMostMove = currentMove;
5666 currentMove = oldFMM;
5667 appData.animate = FALSE;
5668 ToNrEvent(forwardMostMove);
5669 appData.animate = saveAnimate;
5671 currentMove = forwardMostMove;
5672 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5673 ClearPremoveHighlights();
5674 DrawPosition(TRUE, boards[currentMove]);
5678 MovePV (int x, int y, int h)
5679 { // step through PV based on mouse coordinates (called on mouse move)
5680 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5682 // we must somehow check if right button is still down (might be released off board!)
5683 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5684 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5685 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5687 lastX = x; lastY = y;
5689 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5690 if(endPV < 0) return;
5691 if(y < margin) step = 1; else
5692 if(y > h - margin) step = -1;
5693 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5694 currentMove += step;
5695 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5696 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5697 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5698 DrawPosition(FALSE, boards[currentMove]);
5702 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5703 // All positions will have equal probability, but the current method will not provide a unique
5704 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5710 int piecesLeft[(int)BlackPawn];
5711 int seed, nrOfShuffles;
5714 GetPositionNumber ()
5715 { // sets global variable seed
5718 seed = appData.defaultFrcPosition;
5719 if(seed < 0) { // randomize based on time for negative FRC position numbers
5720 for(i=0; i<50; i++) seed += random();
5721 seed = random() ^ random() >> 8 ^ random() << 8;
5722 if(seed<0) seed = -seed;
5727 put (Board board, int pieceType, int rank, int n, int shade)
5728 // put the piece on the (n-1)-th empty squares of the given shade
5732 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5733 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5734 board[rank][i] = (ChessSquare) pieceType;
5735 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5737 piecesLeft[pieceType]--;
5746 AddOnePiece (Board board, int pieceType, int rank, int shade)
5747 // calculate where the next piece goes, (any empty square), and put it there
5751 i = seed % squaresLeft[shade];
5752 nrOfShuffles *= squaresLeft[shade];
5753 seed /= squaresLeft[shade];
5754 put(board, pieceType, rank, i, shade);
5758 AddTwoPieces (Board board, int pieceType, int rank)
5759 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5761 int i, n=squaresLeft[ANY], j=n-1, k;
5763 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5764 i = seed % k; // pick one
5767 while(i >= j) i -= j--;
5768 j = n - 1 - j; i += j;
5769 put(board, pieceType, rank, j, ANY);
5770 put(board, pieceType, rank, i, ANY);
5774 SetUpShuffle (Board board, int number)
5778 GetPositionNumber(); nrOfShuffles = 1;
5780 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5781 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5782 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5784 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5786 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5787 p = (int) board[0][i];
5788 if(p < (int) BlackPawn) piecesLeft[p] ++;
5789 board[0][i] = EmptySquare;
5792 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5793 // shuffles restricted to allow normal castling put KRR first
5794 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5795 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5796 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5797 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5798 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5799 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5800 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5801 put(board, WhiteRook, 0, 0, ANY);
5802 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5805 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5806 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5807 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5808 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5809 while(piecesLeft[p] >= 2) {
5810 AddOnePiece(board, p, 0, LITE);
5811 AddOnePiece(board, p, 0, DARK);
5813 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5816 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5817 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5818 // but we leave King and Rooks for last, to possibly obey FRC restriction
5819 if(p == (int)WhiteRook) continue;
5820 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5821 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5824 // now everything is placed, except perhaps King (Unicorn) and Rooks
5826 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5827 // Last King gets castling rights
5828 while(piecesLeft[(int)WhiteUnicorn]) {
5829 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5830 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5833 while(piecesLeft[(int)WhiteKing]) {
5834 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5835 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5840 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5841 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5844 // Only Rooks can be left; simply place them all
5845 while(piecesLeft[(int)WhiteRook]) {
5846 i = put(board, WhiteRook, 0, 0, ANY);
5847 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5850 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5852 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5855 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5856 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5859 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5863 SetCharTable (char *table, const char * map)
5864 /* [HGM] moved here from winboard.c because of its general usefulness */
5865 /* Basically a safe strcpy that uses the last character as King */
5867 int result = FALSE; int NrPieces;
5869 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5870 && NrPieces >= 12 && !(NrPieces&1)) {
5871 int i; /* [HGM] Accept even length from 12 to 34 */
5873 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5874 for( i=0; i<NrPieces/2-1; i++ ) {
5876 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5878 table[(int) WhiteKing] = map[NrPieces/2-1];
5879 table[(int) BlackKing] = map[NrPieces-1];
5888 Prelude (Board board)
5889 { // [HGM] superchess: random selection of exo-pieces
5890 int i, j, k; ChessSquare p;
5891 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5893 GetPositionNumber(); // use FRC position number
5895 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5896 SetCharTable(pieceToChar, appData.pieceToCharTable);
5897 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5898 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5901 j = seed%4; seed /= 4;
5902 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = 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%3 + (seed%3 >= j); seed /= 3;
5906 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5907 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5908 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5909 j = seed%3; seed /= 3;
5910 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5911 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5912 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5913 j = seed%2 + (seed%2 >= j); seed /= 2;
5914 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5915 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5916 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5917 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5918 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5919 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5920 put(board, exoPieces[0], 0, 0, ANY);
5921 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5925 InitPosition (int redraw)
5927 ChessSquare (* pieces)[BOARD_FILES];
5928 int i, j, pawnRow=1, pieceRows=1, overrule,
5929 oldx = gameInfo.boardWidth,
5930 oldy = gameInfo.boardHeight,
5931 oldh = gameInfo.holdingsWidth;
5934 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5936 /* [AS] Initialize pv info list [HGM] and game status */
5938 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5939 pvInfoList[i].depth = 0;
5940 boards[i][EP_STATUS] = EP_NONE;
5941 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5944 initialRulePlies = 0; /* 50-move counter start */
5946 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5947 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5951 /* [HGM] logic here is completely changed. In stead of full positions */
5952 /* the initialized data only consist of the two backranks. The switch */
5953 /* selects which one we will use, which is than copied to the Board */
5954 /* initialPosition, which for the rest is initialized by Pawns and */
5955 /* empty squares. This initial position is then copied to boards[0], */
5956 /* possibly after shuffling, so that it remains available. */
5958 gameInfo.holdingsWidth = 0; /* default board sizes */
5959 gameInfo.boardWidth = 8;
5960 gameInfo.boardHeight = 8;
5961 gameInfo.holdingsSize = 0;
5962 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5963 for(i=0; i<BOARD_FILES-2; i++)
5964 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5965 initialPosition[EP_STATUS] = EP_NONE;
5966 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5967 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5968 SetCharTable(pieceNickName, appData.pieceNickNames);
5969 else SetCharTable(pieceNickName, "............");
5972 switch (gameInfo.variant) {
5973 case VariantFischeRandom:
5974 shuffleOpenings = TRUE;
5977 case VariantShatranj:
5978 pieces = ShatranjArray;
5979 nrCastlingRights = 0;
5980 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5983 pieces = makrukArray;
5984 nrCastlingRights = 0;
5985 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5988 pieces = aseanArray;
5989 nrCastlingRights = 0;
5990 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5992 case VariantTwoKings:
5993 pieces = twoKingsArray;
5996 pieces = GrandArray;
5997 nrCastlingRights = 0;
5998 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5999 gameInfo.boardWidth = 10;
6000 gameInfo.boardHeight = 10;
6001 gameInfo.holdingsSize = 7;
6003 case VariantCapaRandom:
6004 shuffleOpenings = TRUE;
6005 case VariantCapablanca:
6006 pieces = CapablancaArray;
6007 gameInfo.boardWidth = 10;
6008 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6011 pieces = GothicArray;
6012 gameInfo.boardWidth = 10;
6013 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6016 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6017 gameInfo.holdingsSize = 7;
6018 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6021 pieces = JanusArray;
6022 gameInfo.boardWidth = 10;
6023 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6024 nrCastlingRights = 6;
6025 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6026 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6027 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6028 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6029 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6030 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6033 pieces = FalconArray;
6034 gameInfo.boardWidth = 10;
6035 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6037 case VariantXiangqi:
6038 pieces = XiangqiArray;
6039 gameInfo.boardWidth = 9;
6040 gameInfo.boardHeight = 10;
6041 nrCastlingRights = 0;
6042 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6045 pieces = ShogiArray;
6046 gameInfo.boardWidth = 9;
6047 gameInfo.boardHeight = 9;
6048 gameInfo.holdingsSize = 7;
6049 nrCastlingRights = 0;
6050 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6053 pieces = ChuArray; pieceRows = 3;
6054 gameInfo.boardWidth = 12;
6055 gameInfo.boardHeight = 12;
6056 nrCastlingRights = 0;
6057 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6058 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6060 case VariantCourier:
6061 pieces = CourierArray;
6062 gameInfo.boardWidth = 12;
6063 nrCastlingRights = 0;
6064 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6066 case VariantKnightmate:
6067 pieces = KnightmateArray;
6068 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6070 case VariantSpartan:
6071 pieces = SpartanArray;
6072 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6076 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6078 case VariantChuChess:
6079 pieces = ChuChessArray;
6080 gameInfo.boardWidth = 10;
6081 gameInfo.boardHeight = 10;
6082 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6085 pieces = fairyArray;
6086 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6089 pieces = GreatArray;
6090 gameInfo.boardWidth = 10;
6091 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6092 gameInfo.holdingsSize = 8;
6096 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6097 gameInfo.holdingsSize = 8;
6098 startedFromSetupPosition = TRUE;
6100 case VariantCrazyhouse:
6101 case VariantBughouse:
6103 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6104 gameInfo.holdingsSize = 5;
6106 case VariantWildCastle:
6108 /* !!?shuffle with kings guaranteed to be on d or e file */
6109 shuffleOpenings = 1;
6111 case VariantNoCastle:
6113 nrCastlingRights = 0;
6114 /* !!?unconstrained back-rank shuffle */
6115 shuffleOpenings = 1;
6120 if(appData.NrFiles >= 0) {
6121 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6122 gameInfo.boardWidth = appData.NrFiles;
6124 if(appData.NrRanks >= 0) {
6125 gameInfo.boardHeight = appData.NrRanks;
6127 if(appData.holdingsSize >= 0) {
6128 i = appData.holdingsSize;
6129 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6130 gameInfo.holdingsSize = i;
6132 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6133 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6134 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6136 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6137 if(pawnRow < 1) pawnRow = 1;
6138 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6139 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6140 if(gameInfo.variant == VariantChu) pawnRow = 3;
6142 /* User pieceToChar list overrules defaults */
6143 if(appData.pieceToCharTable != NULL)
6144 SetCharTable(pieceToChar, appData.pieceToCharTable);
6146 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6148 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6149 s = (ChessSquare) 0; /* account holding counts in guard band */
6150 for( i=0; i<BOARD_HEIGHT; i++ )
6151 initialPosition[i][j] = s;
6153 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6154 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6155 initialPosition[pawnRow][j] = WhitePawn;
6156 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6157 if(gameInfo.variant == VariantXiangqi) {
6159 initialPosition[pawnRow][j] =
6160 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6161 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6162 initialPosition[2][j] = WhiteCannon;
6163 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6167 if(gameInfo.variant == VariantChu) {
6168 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6169 initialPosition[pawnRow+1][j] = WhiteCobra,
6170 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6171 for(i=1; i<pieceRows; i++) {
6172 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6173 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6176 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6177 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6178 initialPosition[0][j] = WhiteRook;
6179 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6182 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6184 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6185 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6188 initialPosition[1][j] = WhiteBishop;
6189 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6191 initialPosition[1][j] = WhiteRook;
6192 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6195 if( nrCastlingRights == -1) {
6196 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6197 /* This sets default castling rights from none to normal corners */
6198 /* Variants with other castling rights must set them themselves above */
6199 nrCastlingRights = 6;
6201 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6202 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6203 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6204 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6205 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6206 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6209 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6210 if(gameInfo.variant == VariantGreat) { // promotion commoners
6211 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6212 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6213 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6214 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6216 if( gameInfo.variant == VariantSChess ) {
6217 initialPosition[1][0] = BlackMarshall;
6218 initialPosition[2][0] = BlackAngel;
6219 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6220 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6221 initialPosition[1][1] = initialPosition[2][1] =
6222 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6224 if (appData.debugMode) {
6225 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6227 if(shuffleOpenings) {
6228 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6229 startedFromSetupPosition = TRUE;
6231 if(startedFromPositionFile) {
6232 /* [HGM] loadPos: use PositionFile for every new game */
6233 CopyBoard(initialPosition, filePosition);
6234 for(i=0; i<nrCastlingRights; i++)
6235 initialRights[i] = filePosition[CASTLING][i];
6236 startedFromSetupPosition = TRUE;
6239 CopyBoard(boards[0], initialPosition);
6241 if(oldx != gameInfo.boardWidth ||
6242 oldy != gameInfo.boardHeight ||
6243 oldv != gameInfo.variant ||
6244 oldh != gameInfo.holdingsWidth
6246 InitDrawingSizes(-2 ,0);
6248 oldv = gameInfo.variant;
6250 DrawPosition(TRUE, boards[currentMove]);
6254 SendBoard (ChessProgramState *cps, int moveNum)
6256 char message[MSG_SIZ];
6258 if (cps->useSetboard) {
6259 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6260 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6261 SendToProgram(message, cps);
6266 int i, j, left=0, right=BOARD_WIDTH;
6267 /* Kludge to set black to move, avoiding the troublesome and now
6268 * deprecated "black" command.
6270 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6271 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6273 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6275 SendToProgram("edit\n", cps);
6276 SendToProgram("#\n", cps);
6277 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6278 bp = &boards[moveNum][i][left];
6279 for (j = left; j < right; j++, bp++) {
6280 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6281 if ((int) *bp < (int) BlackPawn) {
6282 if(j == BOARD_RGHT+1)
6283 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6284 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6285 if(message[0] == '+' || message[0] == '~') {
6286 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6287 PieceToChar((ChessSquare)(DEMOTED *bp)),
6290 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6291 message[1] = BOARD_RGHT - 1 - j + '1';
6292 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6294 SendToProgram(message, cps);
6299 SendToProgram("c\n", cps);
6300 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6301 bp = &boards[moveNum][i][left];
6302 for (j = left; j < right; j++, bp++) {
6303 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6304 if (((int) *bp != (int) EmptySquare)
6305 && ((int) *bp >= (int) BlackPawn)) {
6306 if(j == BOARD_LEFT-2)
6307 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6308 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6310 if(message[0] == '+' || message[0] == '~') {
6311 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6312 PieceToChar((ChessSquare)(DEMOTED *bp)),
6315 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6316 message[1] = BOARD_RGHT - 1 - j + '1';
6317 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6319 SendToProgram(message, cps);
6324 SendToProgram(".\n", cps);
6326 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6329 char exclusionHeader[MSG_SIZ];
6330 int exCnt, excludePtr;
6331 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6332 static Exclusion excluTab[200];
6333 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6339 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6340 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6346 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6347 excludePtr = 24; exCnt = 0;
6352 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6353 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6354 char buf[2*MOVE_LEN], *p;
6355 Exclusion *e = excluTab;
6357 for(i=0; i<exCnt; i++)
6358 if(e[i].ff == fromX && e[i].fr == fromY &&
6359 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6360 if(i == exCnt) { // was not in exclude list; add it
6361 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6362 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6363 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6366 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6367 excludePtr++; e[i].mark = excludePtr++;
6368 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6371 exclusionHeader[e[i].mark] = state;
6375 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6376 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6380 if((signed char)promoChar == -1) { // kludge to indicate best move
6381 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6382 return 1; // if unparsable, abort
6384 // update exclusion map (resolving toggle by consulting existing state)
6385 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6387 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6388 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6389 excludeMap[k] |= 1<<j;
6390 else excludeMap[k] &= ~(1<<j);
6392 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6394 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6395 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6397 return (state == '+');
6401 ExcludeClick (int index)
6404 Exclusion *e = excluTab;
6405 if(index < 25) { // none, best or tail clicked
6406 if(index < 13) { // none: include all
6407 WriteMap(0); // clear map
6408 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6409 SendToBoth("include all\n"); // and inform engine
6410 } else if(index > 18) { // tail
6411 if(exclusionHeader[19] == '-') { // tail was excluded
6412 SendToBoth("include all\n");
6413 WriteMap(0); // clear map completely
6414 // now re-exclude selected moves
6415 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6416 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6417 } else { // tail was included or in mixed state
6418 SendToBoth("exclude all\n");
6419 WriteMap(0xFF); // fill map completely
6420 // now re-include selected moves
6421 j = 0; // count them
6422 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6423 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6424 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6427 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6430 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6431 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6432 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6439 DefaultPromoChoice (int white)
6442 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6443 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6444 result = WhiteFerz; // no choice
6445 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6446 result= WhiteKing; // in Suicide Q is the last thing we want
6447 else if(gameInfo.variant == VariantSpartan)
6448 result = white ? WhiteQueen : WhiteAngel;
6449 else result = WhiteQueen;
6450 if(!white) result = WHITE_TO_BLACK result;
6454 static int autoQueen; // [HGM] oneclick
6457 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6459 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6460 /* [HGM] add Shogi promotions */
6461 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6462 ChessSquare piece, partner;
6466 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6467 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6469 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6470 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6473 piece = boards[currentMove][fromY][fromX];
6474 if(gameInfo.variant == VariantChu) {
6475 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6476 promotionZoneSize = BOARD_HEIGHT/3;
6477 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6478 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6479 promotionZoneSize = BOARD_HEIGHT/3;
6480 highestPromotingPiece = (int)WhiteAlfil;
6481 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6482 promotionZoneSize = 3;
6485 // Treat Lance as Pawn when it is not representing Amazon
6486 if(gameInfo.variant != VariantSuper) {
6487 if(piece == WhiteLance) piece = WhitePawn; else
6488 if(piece == BlackLance) piece = BlackPawn;
6491 // next weed out all moves that do not touch the promotion zone at all
6492 if((int)piece >= BlackPawn) {
6493 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6495 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6496 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6498 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6499 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6500 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6504 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6506 // weed out mandatory Shogi promotions
6507 if(gameInfo.variant == VariantShogi) {
6508 if(piece >= BlackPawn) {
6509 if(toY == 0 && piece == BlackPawn ||
6510 toY == 0 && piece == BlackQueen ||
6511 toY <= 1 && piece == BlackKnight) {
6516 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6517 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6518 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6525 // weed out obviously illegal Pawn moves
6526 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6527 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6528 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6529 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6530 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6531 // note we are not allowed to test for valid (non-)capture, due to premove
6534 // we either have a choice what to promote to, or (in Shogi) whether to promote
6535 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6536 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6537 *promoChoice = PieceToChar(BlackFerz); // no choice
6540 // no sense asking what we must promote to if it is going to explode...
6541 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6542 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6545 // give caller the default choice even if we will not make it
6546 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6547 partner = piece; // pieces can promote if the pieceToCharTable says so
6548 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6549 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6550 if( sweepSelect && gameInfo.variant != VariantGreat
6551 && gameInfo.variant != VariantGrand
6552 && gameInfo.variant != VariantSuper) return FALSE;
6553 if(autoQueen) return FALSE; // predetermined
6555 // suppress promotion popup on illegal moves that are not premoves
6556 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6557 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6558 if(appData.testLegality && !premove) {
6559 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6560 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6561 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6562 if(moveType != WhitePromotion && moveType != BlackPromotion)
6570 InPalace (int row, int column)
6571 { /* [HGM] for Xiangqi */
6572 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6573 column < (BOARD_WIDTH + 4)/2 &&
6574 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6579 PieceForSquare (int x, int y)
6581 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6584 return boards[currentMove][y][x];
6588 OKToStartUserMove (int x, int y)
6590 ChessSquare from_piece;
6593 if (matchMode) return FALSE;
6594 if (gameMode == EditPosition) return TRUE;
6596 if (x >= 0 && y >= 0)
6597 from_piece = boards[currentMove][y][x];
6599 from_piece = EmptySquare;
6601 if (from_piece == EmptySquare) return FALSE;
6603 white_piece = (int)from_piece >= (int)WhitePawn &&
6604 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6608 case TwoMachinesPlay:
6616 case MachinePlaysWhite:
6617 case IcsPlayingBlack:
6618 if (appData.zippyPlay) return FALSE;
6620 DisplayMoveError(_("You are playing Black"));
6625 case MachinePlaysBlack:
6626 case IcsPlayingWhite:
6627 if (appData.zippyPlay) return FALSE;
6629 DisplayMoveError(_("You are playing White"));
6634 case PlayFromGameFile:
6635 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6637 if (!white_piece && WhiteOnMove(currentMove)) {
6638 DisplayMoveError(_("It is White's turn"));
6641 if (white_piece && !WhiteOnMove(currentMove)) {
6642 DisplayMoveError(_("It is Black's turn"));
6645 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6646 /* Editing correspondence game history */
6647 /* Could disallow this or prompt for confirmation */
6652 case BeginningOfGame:
6653 if (appData.icsActive) return FALSE;
6654 if (!appData.noChessProgram) {
6656 DisplayMoveError(_("You are playing White"));
6663 if (!white_piece && WhiteOnMove(currentMove)) {
6664 DisplayMoveError(_("It is White's turn"));
6667 if (white_piece && !WhiteOnMove(currentMove)) {
6668 DisplayMoveError(_("It is Black's turn"));
6677 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6678 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6679 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6680 && gameMode != AnalyzeFile && gameMode != Training) {
6681 DisplayMoveError(_("Displayed position is not current"));
6688 OnlyMove (int *x, int *y, Boolean captures)
6690 DisambiguateClosure cl;
6691 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6693 case MachinePlaysBlack:
6694 case IcsPlayingWhite:
6695 case BeginningOfGame:
6696 if(!WhiteOnMove(currentMove)) return FALSE;
6698 case MachinePlaysWhite:
6699 case IcsPlayingBlack:
6700 if(WhiteOnMove(currentMove)) return FALSE;
6707 cl.pieceIn = EmptySquare;
6712 cl.promoCharIn = NULLCHAR;
6713 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6714 if( cl.kind == NormalMove ||
6715 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6716 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6717 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6724 if(cl.kind != ImpossibleMove) return FALSE;
6725 cl.pieceIn = EmptySquare;
6730 cl.promoCharIn = NULLCHAR;
6731 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6732 if( cl.kind == NormalMove ||
6733 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6734 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6735 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6740 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6746 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6747 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6748 int lastLoadGameUseList = FALSE;
6749 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6750 ChessMove lastLoadGameStart = EndOfFile;
6754 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6758 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6760 /* Check if the user is playing in turn. This is complicated because we
6761 let the user "pick up" a piece before it is his turn. So the piece he
6762 tried to pick up may have been captured by the time he puts it down!
6763 Therefore we use the color the user is supposed to be playing in this
6764 test, not the color of the piece that is currently on the starting
6765 square---except in EditGame mode, where the user is playing both
6766 sides; fortunately there the capture race can't happen. (It can
6767 now happen in IcsExamining mode, but that's just too bad. The user
6768 will get a somewhat confusing message in that case.)
6773 case TwoMachinesPlay:
6777 /* We switched into a game mode where moves are not accepted,
6778 perhaps while the mouse button was down. */
6781 case MachinePlaysWhite:
6782 /* User is moving for Black */
6783 if (WhiteOnMove(currentMove)) {
6784 DisplayMoveError(_("It is White's turn"));
6789 case MachinePlaysBlack:
6790 /* User is moving for White */
6791 if (!WhiteOnMove(currentMove)) {
6792 DisplayMoveError(_("It is Black's turn"));
6797 case PlayFromGameFile:
6798 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6801 case BeginningOfGame:
6804 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6805 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6806 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6807 /* User is moving for Black */
6808 if (WhiteOnMove(currentMove)) {
6809 DisplayMoveError(_("It is White's turn"));
6813 /* User is moving for White */
6814 if (!WhiteOnMove(currentMove)) {
6815 DisplayMoveError(_("It is Black's turn"));
6821 case IcsPlayingBlack:
6822 /* User is moving for Black */
6823 if (WhiteOnMove(currentMove)) {
6824 if (!appData.premove) {
6825 DisplayMoveError(_("It is White's turn"));
6826 } else if (toX >= 0 && toY >= 0) {
6829 premoveFromX = fromX;
6830 premoveFromY = fromY;
6831 premovePromoChar = promoChar;
6833 if (appData.debugMode)
6834 fprintf(debugFP, "Got premove: fromX %d,"
6835 "fromY %d, toX %d, toY %d\n",
6836 fromX, fromY, toX, toY);
6842 case IcsPlayingWhite:
6843 /* User is moving for White */
6844 if (!WhiteOnMove(currentMove)) {
6845 if (!appData.premove) {
6846 DisplayMoveError(_("It is Black's turn"));
6847 } else if (toX >= 0 && toY >= 0) {
6850 premoveFromX = fromX;
6851 premoveFromY = fromY;
6852 premovePromoChar = promoChar;
6854 if (appData.debugMode)
6855 fprintf(debugFP, "Got premove: fromX %d,"
6856 "fromY %d, toX %d, toY %d\n",
6857 fromX, fromY, toX, toY);
6867 /* EditPosition, empty square, or different color piece;
6868 click-click move is possible */
6869 if (toX == -2 || toY == -2) {
6870 boards[0][fromY][fromX] = EmptySquare;
6871 DrawPosition(FALSE, boards[currentMove]);
6873 } else if (toX >= 0 && toY >= 0) {
6874 boards[0][toY][toX] = boards[0][fromY][fromX];
6875 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6876 if(boards[0][fromY][0] != EmptySquare) {
6877 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6878 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6881 if(fromX == BOARD_RGHT+1) {
6882 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6883 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6884 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6887 boards[0][fromY][fromX] = gatingPiece;
6888 DrawPosition(FALSE, boards[currentMove]);
6894 if(toX < 0 || toY < 0) return;
6895 pup = boards[currentMove][toY][toX];
6897 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6898 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6899 if( pup != EmptySquare ) return;
6900 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6901 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6902 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6903 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6904 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6905 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6906 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6910 /* [HGM] always test for legality, to get promotion info */
6911 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6912 fromY, fromX, toY, toX, promoChar);
6914 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6916 /* [HGM] but possibly ignore an IllegalMove result */
6917 if (appData.testLegality) {
6918 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6919 DisplayMoveError(_("Illegal move"));
6924 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6925 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6926 ClearPremoveHighlights(); // was included
6927 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6931 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6934 /* Common tail of UserMoveEvent and DropMenuEvent */
6936 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6940 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6941 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6942 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6943 if(WhiteOnMove(currentMove)) {
6944 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6946 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6950 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6951 move type in caller when we know the move is a legal promotion */
6952 if(moveType == NormalMove && promoChar)
6953 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6955 /* [HGM] <popupFix> The following if has been moved here from
6956 UserMoveEvent(). Because it seemed to belong here (why not allow
6957 piece drops in training games?), and because it can only be
6958 performed after it is known to what we promote. */
6959 if (gameMode == Training) {
6960 /* compare the move played on the board to the next move in the
6961 * game. If they match, display the move and the opponent's response.
6962 * If they don't match, display an error message.
6966 CopyBoard(testBoard, boards[currentMove]);
6967 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6969 if (CompareBoards(testBoard, boards[currentMove+1])) {
6970 ForwardInner(currentMove+1);
6972 /* Autoplay the opponent's response.
6973 * if appData.animate was TRUE when Training mode was entered,
6974 * the response will be animated.
6976 saveAnimate = appData.animate;
6977 appData.animate = animateTraining;
6978 ForwardInner(currentMove+1);
6979 appData.animate = saveAnimate;
6981 /* check for the end of the game */
6982 if (currentMove >= forwardMostMove) {
6983 gameMode = PlayFromGameFile;
6985 SetTrainingModeOff();
6986 DisplayInformation(_("End of game"));
6989 DisplayError(_("Incorrect move"), 0);
6994 /* Ok, now we know that the move is good, so we can kill
6995 the previous line in Analysis Mode */
6996 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6997 && currentMove < forwardMostMove) {
6998 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6999 else forwardMostMove = currentMove;
7004 /* If we need the chess program but it's dead, restart it */
7005 ResurrectChessProgram();
7007 /* A user move restarts a paused game*/
7011 thinkOutput[0] = NULLCHAR;
7013 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7015 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7016 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7020 if (gameMode == BeginningOfGame) {
7021 if (appData.noChessProgram) {
7022 gameMode = EditGame;
7026 gameMode = MachinePlaysBlack;
7029 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7031 if (first.sendName) {
7032 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7033 SendToProgram(buf, &first);
7040 /* Relay move to ICS or chess engine */
7041 if (appData.icsActive) {
7042 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7043 gameMode == IcsExamining) {
7044 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7045 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7047 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7049 // also send plain move, in case ICS does not understand atomic claims
7050 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7054 if (first.sendTime && (gameMode == BeginningOfGame ||
7055 gameMode == MachinePlaysWhite ||
7056 gameMode == MachinePlaysBlack)) {
7057 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7059 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7060 // [HGM] book: if program might be playing, let it use book
7061 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7062 first.maybeThinking = TRUE;
7063 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7064 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7065 SendBoard(&first, currentMove+1);
7066 if(second.analyzing) {
7067 if(!second.useSetboard) SendToProgram("undo\n", &second);
7068 SendBoard(&second, currentMove+1);
7071 SendMoveToProgram(forwardMostMove-1, &first);
7072 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7074 if (currentMove == cmailOldMove + 1) {
7075 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7079 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7083 if(appData.testLegality)
7084 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7090 if (WhiteOnMove(currentMove)) {
7091 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7093 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7097 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7102 case MachinePlaysBlack:
7103 case MachinePlaysWhite:
7104 /* disable certain menu options while machine is thinking */
7105 SetMachineThinkingEnables();
7112 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7113 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7115 if(bookHit) { // [HGM] book: simulate book reply
7116 static char bookMove[MSG_SIZ]; // a bit generous?
7118 programStats.nodes = programStats.depth = programStats.time =
7119 programStats.score = programStats.got_only_move = 0;
7120 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7122 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7123 strcat(bookMove, bookHit);
7124 HandleMachineMove(bookMove, &first);
7130 MarkByFEN(char *fen)
7133 if(!appData.markers || !appData.highlightDragging) return;
7134 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7135 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7139 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7140 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7141 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7142 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7143 if(*fen == 'T') marker[r][f++] = 0; else
7144 if(*fen == 'Y') marker[r][f++] = 1; else
7145 if(*fen == 'G') marker[r][f++] = 3; else
7146 if(*fen == 'B') marker[r][f++] = 4; else
7147 if(*fen == 'C') marker[r][f++] = 5; else
7148 if(*fen == 'M') marker[r][f++] = 6; else
7149 if(*fen == 'W') marker[r][f++] = 7; else
7150 if(*fen == 'D') marker[r][f++] = 8; else
7151 if(*fen == 'R') marker[r][f++] = 2; else {
7152 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7155 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7159 DrawPosition(TRUE, NULL);
7162 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7165 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7167 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7168 Markers *m = (Markers *) closure;
7169 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7170 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7171 || kind == WhiteCapturesEnPassant
7172 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7173 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7177 MarkTargetSquares (int clear)
7180 if(clear) { // no reason to ever suppress clearing
7181 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;
7182 if(!sum) return; // nothing was cleared,no redraw needed
7185 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7186 !appData.testLegality || gameMode == EditPosition) return;
7187 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7188 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7189 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7191 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7194 DrawPosition(FALSE, NULL);
7198 Explode (Board board, int fromX, int fromY, int toX, int toY)
7200 if(gameInfo.variant == VariantAtomic &&
7201 (board[toY][toX] != EmptySquare || // capture?
7202 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7203 board[fromY][fromX] == BlackPawn )
7205 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7211 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7214 CanPromote (ChessSquare piece, int y)
7216 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7217 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7218 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7219 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7220 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7221 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7222 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7223 return (piece == BlackPawn && y <= zone ||
7224 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7225 piece == BlackLance && y == 1 ||
7226 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7230 HoverEvent (int xPix, int yPix, int x, int y)
7232 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7234 if(!first.highlight) return;
7235 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7236 if(x == oldX && y == oldY) return; // only do something if we enter new square
7237 oldFromX = fromX; oldFromY = fromY;
7238 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) // record markings after from-change
7239 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7240 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7241 else if(oldX != x || oldY != y) {
7242 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7243 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7244 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7245 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7247 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7248 SendToProgram(buf, &first);
7251 // SetHighlights(fromX, fromY, x, y);
7255 void ReportClick(char *action, int x, int y)
7257 char buf[MSG_SIZ]; // Inform engine of what user does
7259 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7260 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7261 if(!first.highlight || gameMode == EditPosition) return;
7262 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7263 SendToProgram(buf, &first);
7267 LeftClick (ClickType clickType, int xPix, int yPix)
7270 Boolean saveAnimate;
7271 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7272 char promoChoice = NULLCHAR;
7274 static TimeMark lastClickTime, prevClickTime;
7276 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7278 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7280 if (clickType == Press) ErrorPopDown();
7281 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7283 x = EventToSquare(xPix, BOARD_WIDTH);
7284 y = EventToSquare(yPix, BOARD_HEIGHT);
7285 if (!flipView && y >= 0) {
7286 y = BOARD_HEIGHT - 1 - y;
7288 if (flipView && x >= 0) {
7289 x = BOARD_WIDTH - 1 - x;
7292 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7293 defaultPromoChoice = promoSweep;
7294 promoSweep = EmptySquare; // terminate sweep
7295 promoDefaultAltered = TRUE;
7296 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7299 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7300 if(clickType == Release) return; // ignore upclick of click-click destination
7301 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7302 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7303 if(gameInfo.holdingsWidth &&
7304 (WhiteOnMove(currentMove)
7305 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7306 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7307 // click in right holdings, for determining promotion piece
7308 ChessSquare p = boards[currentMove][y][x];
7309 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7310 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7311 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7312 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7317 DrawPosition(FALSE, boards[currentMove]);
7321 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7322 if(clickType == Press
7323 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7324 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7325 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7328 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7329 // could be static click on premove from-square: abort premove
7331 ClearPremoveHighlights();
7334 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7335 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7337 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7338 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7339 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7340 defaultPromoChoice = DefaultPromoChoice(side);
7343 autoQueen = appData.alwaysPromoteToQueen;
7347 gatingPiece = EmptySquare;
7348 if (clickType != Press) {
7349 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7350 DragPieceEnd(xPix, yPix); dragging = 0;
7351 DrawPosition(FALSE, NULL);
7355 doubleClick = FALSE;
7356 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7357 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7359 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7360 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7361 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7362 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7364 if (OKToStartUserMove(fromX, fromY)) {
7366 ReportClick("lift", x, y);
7367 MarkTargetSquares(0);
7368 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7369 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7370 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7371 promoSweep = defaultPromoChoice;
7372 selectFlag = 0; lastX = xPix; lastY = yPix;
7373 Sweep(0); // Pawn that is going to promote: preview promotion piece
7374 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7376 if (appData.highlightDragging) {
7377 SetHighlights(fromX, fromY, -1, -1);
7381 } else fromX = fromY = -1;
7387 if (clickType == Press && gameMode != EditPosition) {
7392 // ignore off-board to clicks
7393 if(y < 0 || x < 0) return;
7395 /* Check if clicking again on the same color piece */
7396 fromP = boards[currentMove][fromY][fromX];
7397 toP = boards[currentMove][y][x];
7398 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7399 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7400 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7401 WhitePawn <= toP && toP <= WhiteKing &&
7402 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7403 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7404 (BlackPawn <= fromP && fromP <= BlackKing &&
7405 BlackPawn <= toP && toP <= BlackKing &&
7406 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7407 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7408 /* Clicked again on same color piece -- changed his mind */
7409 second = (x == fromX && y == fromY);
7411 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7412 second = FALSE; // first double-click rather than scond click
7413 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7415 promoDefaultAltered = FALSE;
7416 MarkTargetSquares(1);
7417 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7418 if (appData.highlightDragging) {
7419 SetHighlights(x, y, -1, -1);
7423 if (OKToStartUserMove(x, y)) {
7424 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7425 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7426 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7427 gatingPiece = boards[currentMove][fromY][fromX];
7428 else gatingPiece = doubleClick ? fromP : EmptySquare;
7430 fromY = y; dragging = 1;
7431 ReportClick("lift", x, y);
7432 MarkTargetSquares(0);
7433 DragPieceBegin(xPix, yPix, FALSE);
7434 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7435 promoSweep = defaultPromoChoice;
7436 selectFlag = 0; lastX = xPix; lastY = yPix;
7437 Sweep(0); // Pawn that is going to promote: preview promotion piece
7441 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7444 // ignore clicks on holdings
7445 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7448 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7449 DragPieceEnd(xPix, yPix); dragging = 0;
7451 // a deferred attempt to click-click move an empty square on top of a piece
7452 boards[currentMove][y][x] = EmptySquare;
7454 DrawPosition(FALSE, boards[currentMove]);
7455 fromX = fromY = -1; clearFlag = 0;
7458 if (appData.animateDragging) {
7459 /* Undo animation damage if any */
7460 DrawPosition(FALSE, NULL);
7462 if (second || sweepSelecting) {
7463 /* Second up/down in same square; just abort move */
7464 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7465 second = sweepSelecting = 0;
7467 gatingPiece = EmptySquare;
7468 MarkTargetSquares(1);
7471 ClearPremoveHighlights();
7473 /* First upclick in same square; start click-click mode */
7474 SetHighlights(x, y, -1, -1);
7481 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7482 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7483 DisplayMessage(_("only marked squares are legal"),"");
7484 DrawPosition(TRUE, NULL);
7485 return; // ignore to-click
7488 /* we now have a different from- and (possibly off-board) to-square */
7489 /* Completed move */
7490 if(!sweepSelecting) {
7495 piece = boards[currentMove][fromY][fromX];
7497 saveAnimate = appData.animate;
7498 if (clickType == Press) {
7499 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7500 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7501 // must be Edit Position mode with empty-square selected
7502 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7503 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7506 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7509 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7510 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7512 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7513 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7514 if(appData.sweepSelect) {
7515 promoSweep = defaultPromoChoice;
7516 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7517 selectFlag = 0; lastX = xPix; lastY = yPix;
7518 Sweep(0); // Pawn that is going to promote: preview promotion piece
7520 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7521 MarkTargetSquares(1);
7523 return; // promo popup appears on up-click
7525 /* Finish clickclick move */
7526 if (appData.animate || appData.highlightLastMove) {
7527 SetHighlights(fromX, fromY, toX, toY);
7531 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7532 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7533 if (appData.animate || appData.highlightLastMove) {
7534 SetHighlights(fromX, fromY, toX, toY);
7540 // [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
7541 /* Finish drag move */
7542 if (appData.highlightLastMove) {
7543 SetHighlights(fromX, fromY, toX, toY);
7548 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7549 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7550 dragging *= 2; // flag button-less dragging if we are dragging
7551 MarkTargetSquares(1);
7552 if(x == killX && y == killY) killX = killY = -1; else {
7553 killX = x; killY = y; //remeber this square as intermediate
7554 ReportClick("put", x, y); // and inform engine
7555 ReportClick("lift", x, y);
7556 MarkTargetSquares(0);
7560 DragPieceEnd(xPix, yPix); dragging = 0;
7561 /* Don't animate move and drag both */
7562 appData.animate = FALSE;
7565 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7566 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7567 ChessSquare piece = boards[currentMove][fromY][fromX];
7568 if(gameMode == EditPosition && piece != EmptySquare &&
7569 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7572 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7573 n = PieceToNumber(piece - (int)BlackPawn);
7574 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7575 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7576 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7578 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7579 n = PieceToNumber(piece);
7580 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7581 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7582 boards[currentMove][n][BOARD_WIDTH-2]++;
7584 boards[currentMove][fromY][fromX] = EmptySquare;
7588 MarkTargetSquares(1);
7589 DrawPosition(TRUE, boards[currentMove]);
7593 // off-board moves should not be highlighted
7594 if(x < 0 || y < 0) ClearHighlights();
7595 else ReportClick("put", x, y);
7597 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7599 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7600 SetHighlights(fromX, fromY, toX, toY);
7601 MarkTargetSquares(1);
7602 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7603 // [HGM] super: promotion to captured piece selected from holdings
7604 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7605 promotionChoice = TRUE;
7606 // kludge follows to temporarily execute move on display, without promoting yet
7607 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7608 boards[currentMove][toY][toX] = p;
7609 DrawPosition(FALSE, boards[currentMove]);
7610 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7611 boards[currentMove][toY][toX] = q;
7612 DisplayMessage("Click in holdings to choose piece", "");
7615 PromotionPopUp(promoChoice);
7617 int oldMove = currentMove;
7618 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7619 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7620 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7621 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7622 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7623 DrawPosition(TRUE, boards[currentMove]);
7624 MarkTargetSquares(1);
7627 appData.animate = saveAnimate;
7628 if (appData.animate || appData.animateDragging) {
7629 /* Undo animation damage if needed */
7630 DrawPosition(FALSE, NULL);
7635 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7636 { // front-end-free part taken out of PieceMenuPopup
7637 int whichMenu; int xSqr, ySqr;
7639 if(seekGraphUp) { // [HGM] seekgraph
7640 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7641 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7645 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7646 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7647 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7648 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7649 if(action == Press) {
7650 originalFlip = flipView;
7651 flipView = !flipView; // temporarily flip board to see game from partners perspective
7652 DrawPosition(TRUE, partnerBoard);
7653 DisplayMessage(partnerStatus, "");
7655 } else if(action == Release) {
7656 flipView = originalFlip;
7657 DrawPosition(TRUE, boards[currentMove]);
7663 xSqr = EventToSquare(x, BOARD_WIDTH);
7664 ySqr = EventToSquare(y, BOARD_HEIGHT);
7665 if (action == Release) {
7666 if(pieceSweep != EmptySquare) {
7667 EditPositionMenuEvent(pieceSweep, toX, toY);
7668 pieceSweep = EmptySquare;
7669 } else UnLoadPV(); // [HGM] pv
7671 if (action != Press) return -2; // return code to be ignored
7674 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7676 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7677 if (xSqr < 0 || ySqr < 0) return -1;
7678 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7679 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7680 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7681 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7685 if(!appData.icsEngineAnalyze) return -1;
7686 case IcsPlayingWhite:
7687 case IcsPlayingBlack:
7688 if(!appData.zippyPlay) goto noZip;
7691 case MachinePlaysWhite:
7692 case MachinePlaysBlack:
7693 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7694 if (!appData.dropMenu) {
7696 return 2; // flag front-end to grab mouse events
7698 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7699 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7702 if (xSqr < 0 || ySqr < 0) return -1;
7703 if (!appData.dropMenu || appData.testLegality &&
7704 gameInfo.variant != VariantBughouse &&
7705 gameInfo.variant != VariantCrazyhouse) return -1;
7706 whichMenu = 1; // drop menu
7712 if (((*fromX = xSqr) < 0) ||
7713 ((*fromY = ySqr) < 0)) {
7714 *fromX = *fromY = -1;
7718 *fromX = BOARD_WIDTH - 1 - *fromX;
7720 *fromY = BOARD_HEIGHT - 1 - *fromY;
7726 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7728 // char * hint = lastHint;
7729 FrontEndProgramStats stats;
7731 stats.which = cps == &first ? 0 : 1;
7732 stats.depth = cpstats->depth;
7733 stats.nodes = cpstats->nodes;
7734 stats.score = cpstats->score;
7735 stats.time = cpstats->time;
7736 stats.pv = cpstats->movelist;
7737 stats.hint = lastHint;
7738 stats.an_move_index = 0;
7739 stats.an_move_count = 0;
7741 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7742 stats.hint = cpstats->move_name;
7743 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7744 stats.an_move_count = cpstats->nr_moves;
7747 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
7749 SetProgramStats( &stats );
7753 ClearEngineOutputPane (int which)
7755 static FrontEndProgramStats dummyStats;
7756 dummyStats.which = which;
7757 dummyStats.pv = "#";
7758 SetProgramStats( &dummyStats );
7761 #define MAXPLAYERS 500
7764 TourneyStandings (int display)
7766 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7767 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7768 char result, *p, *names[MAXPLAYERS];
7770 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7771 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7772 names[0] = p = strdup(appData.participants);
7773 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7775 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7777 while(result = appData.results[nr]) {
7778 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7779 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7780 wScore = bScore = 0;
7782 case '+': wScore = 2; break;
7783 case '-': bScore = 2; break;
7784 case '=': wScore = bScore = 1; break;
7786 case '*': return strdup("busy"); // tourney not finished
7794 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7795 for(w=0; w<nPlayers; w++) {
7797 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7798 ranking[w] = b; points[w] = bScore; score[b] = -2;
7800 p = malloc(nPlayers*34+1);
7801 for(w=0; w<nPlayers && w<display; w++)
7802 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7808 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7809 { // count all piece types
7811 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7812 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7813 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7816 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7817 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7818 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7819 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7820 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7821 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7826 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7828 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7829 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7831 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7832 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7833 if(myPawns == 2 && nMine == 3) // KPP
7834 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7835 if(myPawns == 1 && nMine == 2) // KP
7836 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7837 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7838 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7839 if(myPawns) return FALSE;
7840 if(pCnt[WhiteRook+side])
7841 return pCnt[BlackRook-side] ||
7842 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7843 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7844 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7845 if(pCnt[WhiteCannon+side]) {
7846 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7847 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7849 if(pCnt[WhiteKnight+side])
7850 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7855 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7857 VariantClass v = gameInfo.variant;
7859 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7860 if(v == VariantShatranj) return TRUE; // always winnable through baring
7861 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7862 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7864 if(v == VariantXiangqi) {
7865 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7867 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7868 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7869 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7870 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7871 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7872 if(stale) // we have at least one last-rank P plus perhaps C
7873 return majors // KPKX
7874 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7876 return pCnt[WhiteFerz+side] // KCAK
7877 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7878 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7879 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7881 } else if(v == VariantKnightmate) {
7882 if(nMine == 1) return FALSE;
7883 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7884 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7885 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7887 if(nMine == 1) return FALSE; // bare King
7888 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
7889 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7890 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7891 // by now we have King + 1 piece (or multiple Bishops on the same color)
7892 if(pCnt[WhiteKnight+side])
7893 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7894 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7895 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7897 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7898 if(pCnt[WhiteAlfil+side])
7899 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7900 if(pCnt[WhiteWazir+side])
7901 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7908 CompareWithRights (Board b1, Board b2)
7911 if(!CompareBoards(b1, b2)) return FALSE;
7912 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7913 /* compare castling rights */
7914 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7915 rights++; /* King lost rights, while rook still had them */
7916 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7917 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7918 rights++; /* but at least one rook lost them */
7920 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7922 if( b1[CASTLING][5] != NoRights ) {
7923 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7930 Adjudicate (ChessProgramState *cps)
7931 { // [HGM] some adjudications useful with buggy engines
7932 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7933 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7934 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7935 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7936 int k, drop, count = 0; static int bare = 1;
7937 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7938 Boolean canAdjudicate = !appData.icsActive;
7940 // most tests only when we understand the game, i.e. legality-checking on
7941 if( appData.testLegality )
7942 { /* [HGM] Some more adjudications for obstinate engines */
7943 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7944 static int moveCount = 6;
7946 char *reason = NULL;
7948 /* Count what is on board. */
7949 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7951 /* Some material-based adjudications that have to be made before stalemate test */
7952 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7953 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7954 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7955 if(canAdjudicate && appData.checkMates) {
7957 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7958 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7959 "Xboard adjudication: King destroyed", GE_XBOARD );
7964 /* Bare King in Shatranj (loses) or Losers (wins) */
7965 if( nrW == 1 || nrB == 1) {
7966 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7967 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7968 if(canAdjudicate && appData.checkMates) {
7970 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7971 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7972 "Xboard adjudication: Bare king", GE_XBOARD );
7976 if( gameInfo.variant == VariantShatranj && --bare < 0)
7978 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7979 if(canAdjudicate && appData.checkMates) {
7980 /* but only adjudicate if adjudication enabled */
7982 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7983 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7984 "Xboard adjudication: Bare king", GE_XBOARD );
7991 // don't wait for engine to announce game end if we can judge ourselves
7992 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7994 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7995 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7996 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7997 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8000 reason = "Xboard adjudication: 3rd check";
8001 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8011 reason = "Xboard adjudication: Stalemate";
8012 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8013 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8014 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8015 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8016 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8017 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8018 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8019 EP_CHECKMATE : EP_WINS);
8020 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8021 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8025 reason = "Xboard adjudication: Checkmate";
8026 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8027 if(gameInfo.variant == VariantShogi) {
8028 if(forwardMostMove > backwardMostMove
8029 && moveList[forwardMostMove-1][1] == '@'
8030 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8031 reason = "XBoard adjudication: pawn-drop mate";
8032 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8038 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8040 result = GameIsDrawn; break;
8042 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8044 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8048 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8050 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8051 GameEnds( result, reason, GE_XBOARD );
8055 /* Next absolutely insufficient mating material. */
8056 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8057 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8058 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8060 /* always flag draws, for judging claims */
8061 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8063 if(canAdjudicate && appData.materialDraws) {
8064 /* but only adjudicate them if adjudication enabled */
8065 if(engineOpponent) {
8066 SendToProgram("force\n", engineOpponent); // suppress reply
8067 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8069 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8074 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8075 if(gameInfo.variant == VariantXiangqi ?
8076 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8078 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8079 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8080 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8081 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8083 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8084 { /* if the first 3 moves do not show a tactical win, declare draw */
8085 if(engineOpponent) {
8086 SendToProgram("force\n", engineOpponent); // suppress reply
8087 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8089 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8092 } else moveCount = 6;
8095 // Repetition draws and 50-move rule can be applied independently of legality testing
8097 /* Check for rep-draws */
8099 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8100 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8101 for(k = forwardMostMove-2;
8102 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8103 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8104 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8107 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8108 /* compare castling rights */
8109 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8110 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8111 rights++; /* King lost rights, while rook still had them */
8112 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8113 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8114 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8115 rights++; /* but at least one rook lost them */
8117 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8118 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8120 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8121 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8122 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8125 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8126 && appData.drawRepeats > 1) {
8127 /* adjudicate after user-specified nr of repeats */
8128 int result = GameIsDrawn;
8129 char *details = "XBoard adjudication: repetition draw";
8130 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8131 // [HGM] xiangqi: check for forbidden perpetuals
8132 int m, ourPerpetual = 1, hisPerpetual = 1;
8133 for(m=forwardMostMove; m>k; m-=2) {
8134 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8135 ourPerpetual = 0; // the current mover did not always check
8136 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8137 hisPerpetual = 0; // the opponent did not always check
8139 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8140 ourPerpetual, hisPerpetual);
8141 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8142 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8143 details = "Xboard adjudication: perpetual checking";
8145 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8146 break; // (or we would have caught him before). Abort repetition-checking loop.
8148 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8149 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8151 details = "Xboard adjudication: repetition";
8153 } else // it must be XQ
8154 // Now check for perpetual chases
8155 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8156 hisPerpetual = PerpetualChase(k, forwardMostMove);
8157 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8158 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8159 static char resdet[MSG_SIZ];
8160 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8162 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8164 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8165 break; // Abort repetition-checking loop.
8167 // if neither of us is checking or chasing all the time, or both are, it is draw
8169 if(engineOpponent) {
8170 SendToProgram("force\n", engineOpponent); // suppress reply
8171 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8173 GameEnds( result, details, GE_XBOARD );
8176 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8177 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8181 /* Now we test for 50-move draws. Determine ply count */
8182 count = forwardMostMove;
8183 /* look for last irreversble move */
8184 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8186 /* if we hit starting position, add initial plies */
8187 if( count == backwardMostMove )
8188 count -= initialRulePlies;
8189 count = forwardMostMove - count;
8190 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8191 // adjust reversible move counter for checks in Xiangqi
8192 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8193 if(i < backwardMostMove) i = backwardMostMove;
8194 while(i <= forwardMostMove) {
8195 lastCheck = inCheck; // check evasion does not count
8196 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8197 if(inCheck || lastCheck) count--; // check does not count
8202 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8203 /* this is used to judge if draw claims are legal */
8204 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8205 if(engineOpponent) {
8206 SendToProgram("force\n", engineOpponent); // suppress reply
8207 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8209 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8213 /* if draw offer is pending, treat it as a draw claim
8214 * when draw condition present, to allow engines a way to
8215 * claim draws before making their move to avoid a race
8216 * condition occurring after their move
8218 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8220 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8221 p = "Draw claim: 50-move rule";
8222 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8223 p = "Draw claim: 3-fold repetition";
8224 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8225 p = "Draw claim: insufficient mating material";
8226 if( p != NULL && canAdjudicate) {
8227 if(engineOpponent) {
8228 SendToProgram("force\n", engineOpponent); // suppress reply
8229 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8231 GameEnds( GameIsDrawn, p, GE_XBOARD );
8236 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8237 if(engineOpponent) {
8238 SendToProgram("force\n", engineOpponent); // suppress reply
8239 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8241 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8248 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8249 { // [HGM] book: this routine intercepts moves to simulate book replies
8250 char *bookHit = NULL;
8252 //first determine if the incoming move brings opponent into his book
8253 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8254 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8255 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8256 if(bookHit != NULL && !cps->bookSuspend) {
8257 // make sure opponent is not going to reply after receiving move to book position
8258 SendToProgram("force\n", cps);
8259 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8261 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8262 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8263 // now arrange restart after book miss
8265 // after a book hit we never send 'go', and the code after the call to this routine
8266 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8267 char buf[MSG_SIZ], *move = bookHit;
8269 int fromX, fromY, toX, toY;
8273 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8274 &fromX, &fromY, &toX, &toY, &promoChar)) {
8275 (void) CoordsToAlgebraic(boards[forwardMostMove],
8276 PosFlags(forwardMostMove),
8277 fromY, fromX, toY, toX, promoChar, move);
8279 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8283 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8284 SendToProgram(buf, cps);
8285 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8286 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8287 SendToProgram("go\n", cps);
8288 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8289 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8290 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8291 SendToProgram("go\n", cps);
8292 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8294 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8298 LoadError (char *errmess, ChessProgramState *cps)
8299 { // unloads engine and switches back to -ncp mode if it was first
8300 if(cps->initDone) return FALSE;
8301 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8302 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8305 appData.noChessProgram = TRUE;
8306 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8307 gameMode = BeginningOfGame; ModeHighlight();
8310 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8311 DisplayMessage("", ""); // erase waiting message
8312 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8317 ChessProgramState *savedState;
8319 DeferredBookMove (void)
8321 if(savedState->lastPing != savedState->lastPong)
8322 ScheduleDelayedEvent(DeferredBookMove, 10);
8324 HandleMachineMove(savedMessage, savedState);
8327 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8328 static ChessProgramState *stalledEngine;
8329 static char stashedInputMove[MSG_SIZ];
8332 HandleMachineMove (char *message, ChessProgramState *cps)
8334 static char firstLeg[20];
8335 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8336 char realname[MSG_SIZ];
8337 int fromX, fromY, toX, toY;
8339 char promoChar, roar;
8341 int machineWhite, oldError;
8344 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8345 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8346 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8347 DisplayError(_("Invalid pairing from pairing engine"), 0);
8350 pairingReceived = 1;
8352 return; // Skim the pairing messages here.
8355 oldError = cps->userError; cps->userError = 0;
8357 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8359 * Kludge to ignore BEL characters
8361 while (*message == '\007') message++;
8364 * [HGM] engine debug message: ignore lines starting with '#' character
8366 if(cps->debug && *message == '#') return;
8369 * Look for book output
8371 if (cps == &first && bookRequested) {
8372 if (message[0] == '\t' || message[0] == ' ') {
8373 /* Part of the book output is here; append it */
8374 strcat(bookOutput, message);
8375 strcat(bookOutput, " \n");
8377 } else if (bookOutput[0] != NULLCHAR) {
8378 /* All of book output has arrived; display it */
8379 char *p = bookOutput;
8380 while (*p != NULLCHAR) {
8381 if (*p == '\t') *p = ' ';
8384 DisplayInformation(bookOutput);
8385 bookRequested = FALSE;
8386 /* Fall through to parse the current output */
8391 * Look for machine move.
8393 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8394 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8396 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8397 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8398 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8399 stalledEngine = cps;
8400 if(appData.ponderNextMove) { // bring opponent out of ponder
8401 if(gameMode == TwoMachinesPlay) {
8402 if(cps->other->pause)
8403 PauseEngine(cps->other);
8405 SendToProgram("easy\n", cps->other);
8412 /* This method is only useful on engines that support ping */
8413 if (cps->lastPing != cps->lastPong) {
8414 if (gameMode == BeginningOfGame) {
8415 /* Extra move from before last new; ignore */
8416 if (appData.debugMode) {
8417 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8420 if (appData.debugMode) {
8421 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8422 cps->which, gameMode);
8425 SendToProgram("undo\n", cps);
8431 case BeginningOfGame:
8432 /* Extra move from before last reset; ignore */
8433 if (appData.debugMode) {
8434 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8441 /* Extra move after we tried to stop. The mode test is
8442 not a reliable way of detecting this problem, but it's
8443 the best we can do on engines that don't support ping.
8445 if (appData.debugMode) {
8446 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8447 cps->which, gameMode);
8449 SendToProgram("undo\n", cps);
8452 case MachinePlaysWhite:
8453 case IcsPlayingWhite:
8454 machineWhite = TRUE;
8457 case MachinePlaysBlack:
8458 case IcsPlayingBlack:
8459 machineWhite = FALSE;
8462 case TwoMachinesPlay:
8463 machineWhite = (cps->twoMachinesColor[0] == 'w');
8466 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8467 if (appData.debugMode) {
8469 "Ignoring move out of turn by %s, gameMode %d"
8470 ", forwardMost %d\n",
8471 cps->which, gameMode, forwardMostMove);
8476 if(cps->alphaRank) AlphaRank(machineMove, 4);
8478 // [HGM] lion: (some very limited) support for Alien protocol
8480 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8481 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8483 } else if(firstLeg[0]) { // there was a previous leg;
8484 // only support case where same piece makes two step (and don't even test that!)
8485 char buf[20], *p = machineMove+1, *q = buf+1, f;
8486 safeStrCpy(buf, machineMove, 20);
8487 while(isdigit(*q)) q++; // find start of to-square
8488 safeStrCpy(machineMove, firstLeg, 20);
8489 while(isdigit(*p)) p++;
8490 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8491 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8492 firstLeg[0] = NULLCHAR;
8495 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8496 &fromX, &fromY, &toX, &toY, &promoChar)) {
8497 /* Machine move could not be parsed; ignore it. */
8498 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8499 machineMove, _(cps->which));
8500 DisplayMoveError(buf1);
8501 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8502 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8503 if (gameMode == TwoMachinesPlay) {
8504 GameEnds(machineWhite ? BlackWins : WhiteWins,
8510 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8511 /* So we have to redo legality test with true e.p. status here, */
8512 /* to make sure an illegal e.p. capture does not slip through, */
8513 /* to cause a forfeit on a justified illegal-move complaint */
8514 /* of the opponent. */
8515 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8517 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8518 fromY, fromX, toY, toX, promoChar);
8519 if(moveType == IllegalMove) {
8520 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8521 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8522 GameEnds(machineWhite ? BlackWins : WhiteWins,
8525 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8526 /* [HGM] Kludge to handle engines that send FRC-style castling
8527 when they shouldn't (like TSCP-Gothic) */
8529 case WhiteASideCastleFR:
8530 case BlackASideCastleFR:
8532 currentMoveString[2]++;
8534 case WhiteHSideCastleFR:
8535 case BlackHSideCastleFR:
8537 currentMoveString[2]--;
8539 default: ; // nothing to do, but suppresses warning of pedantic compilers
8542 hintRequested = FALSE;
8543 lastHint[0] = NULLCHAR;
8544 bookRequested = FALSE;
8545 /* Program may be pondering now */
8546 cps->maybeThinking = TRUE;
8547 if (cps->sendTime == 2) cps->sendTime = 1;
8548 if (cps->offeredDraw) cps->offeredDraw--;
8550 /* [AS] Save move info*/
8551 pvInfoList[ forwardMostMove ].score = programStats.score;
8552 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8553 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8555 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8557 /* Test suites abort the 'game' after one move */
8558 if(*appData.finger) {
8560 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8561 if(!f) f = fopen(appData.finger, "w");
8562 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8563 else { DisplayFatalError("Bad output file", errno, 0); return; }
8565 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8568 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8569 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8572 while( count < adjudicateLossPlies ) {
8573 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8576 score = -score; /* Flip score for winning side */
8579 if( score > adjudicateLossThreshold ) {
8586 if( count >= adjudicateLossPlies ) {
8587 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8589 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8590 "Xboard adjudication",
8597 if(Adjudicate(cps)) {
8598 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8599 return; // [HGM] adjudicate: for all automatic game ends
8603 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8605 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8606 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8608 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8610 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8612 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8613 char buf[3*MSG_SIZ];
8615 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8616 programStats.score / 100.,
8618 programStats.time / 100.,
8619 (unsigned int)programStats.nodes,
8620 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8621 programStats.movelist);
8623 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8628 /* [AS] Clear stats for next move */
8629 ClearProgramStats();
8630 thinkOutput[0] = NULLCHAR;
8631 hiddenThinkOutputState = 0;
8634 if (gameMode == TwoMachinesPlay) {
8635 /* [HGM] relaying draw offers moved to after reception of move */
8636 /* and interpreting offer as claim if it brings draw condition */
8637 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8638 SendToProgram("draw\n", cps->other);
8640 if (cps->other->sendTime) {
8641 SendTimeRemaining(cps->other,
8642 cps->other->twoMachinesColor[0] == 'w');
8644 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8645 if (firstMove && !bookHit) {
8647 if (cps->other->useColors) {
8648 SendToProgram(cps->other->twoMachinesColor, cps->other);
8650 SendToProgram("go\n", cps->other);
8652 cps->other->maybeThinking = TRUE;
8655 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8657 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8659 if (!pausing && appData.ringBellAfterMoves) {
8660 if(!roar) RingBell();
8664 * Reenable menu items that were disabled while
8665 * machine was thinking
8667 if (gameMode != TwoMachinesPlay)
8668 SetUserThinkingEnables();
8670 // [HGM] book: after book hit opponent has received move and is now in force mode
8671 // force the book reply into it, and then fake that it outputted this move by jumping
8672 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8674 static char bookMove[MSG_SIZ]; // a bit generous?
8676 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8677 strcat(bookMove, bookHit);
8680 programStats.nodes = programStats.depth = programStats.time =
8681 programStats.score = programStats.got_only_move = 0;
8682 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8684 if(cps->lastPing != cps->lastPong) {
8685 savedMessage = message; // args for deferred call
8687 ScheduleDelayedEvent(DeferredBookMove, 10);
8696 /* Set special modes for chess engines. Later something general
8697 * could be added here; for now there is just one kludge feature,
8698 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8699 * when "xboard" is given as an interactive command.
8701 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8702 cps->useSigint = FALSE;
8703 cps->useSigterm = FALSE;
8705 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8706 ParseFeatures(message+8, cps);
8707 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8710 if (!strncmp(message, "setup ", 6) &&
8711 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8712 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8713 ) { // [HGM] allow first engine to define opening position
8714 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8715 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8717 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8718 if(startedFromSetupPosition) return;
8719 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8721 while(message[s] && message[s++] != ' ');
8722 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8723 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8724 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8725 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8726 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8727 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8730 ParseFEN(boards[0], &dummy, message+s, FALSE);
8731 DrawPosition(TRUE, boards[0]);
8732 startedFromSetupPosition = TRUE;
8735 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8736 * want this, I was asked to put it in, and obliged.
8738 if (!strncmp(message, "setboard ", 9)) {
8739 Board initial_position;
8741 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8743 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8744 DisplayError(_("Bad FEN received from engine"), 0);
8748 CopyBoard(boards[0], initial_position);
8749 initialRulePlies = FENrulePlies;
8750 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8751 else gameMode = MachinePlaysBlack;
8752 DrawPosition(FALSE, boards[currentMove]);
8758 * Look for communication commands
8760 if (!strncmp(message, "telluser ", 9)) {
8761 if(message[9] == '\\' && message[10] == '\\')
8762 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8764 DisplayNote(message + 9);
8767 if (!strncmp(message, "tellusererror ", 14)) {
8769 if(message[14] == '\\' && message[15] == '\\')
8770 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8772 DisplayError(message + 14, 0);
8775 if (!strncmp(message, "tellopponent ", 13)) {
8776 if (appData.icsActive) {
8778 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8782 DisplayNote(message + 13);
8786 if (!strncmp(message, "tellothers ", 11)) {
8787 if (appData.icsActive) {
8789 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8792 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8795 if (!strncmp(message, "tellall ", 8)) {
8796 if (appData.icsActive) {
8798 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8802 DisplayNote(message + 8);
8806 if (strncmp(message, "warning", 7) == 0) {
8807 /* Undocumented feature, use tellusererror in new code */
8808 DisplayError(message, 0);
8811 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8812 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8813 strcat(realname, " query");
8814 AskQuestion(realname, buf2, buf1, cps->pr);
8817 /* Commands from the engine directly to ICS. We don't allow these to be
8818 * sent until we are logged on. Crafty kibitzes have been known to
8819 * interfere with the login process.
8822 if (!strncmp(message, "tellics ", 8)) {
8823 SendToICS(message + 8);
8827 if (!strncmp(message, "tellicsnoalias ", 15)) {
8828 SendToICS(ics_prefix);
8829 SendToICS(message + 15);
8833 /* The following are for backward compatibility only */
8834 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8835 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8836 SendToICS(ics_prefix);
8842 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8843 if(initPing == cps->lastPong) {
8844 if(gameInfo.variant == VariantUnknown) {
8845 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
8846 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
8847 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8853 if(!strncmp(message, "highlight ", 10)) {
8854 if(appData.testLegality && appData.markers) return;
8855 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8858 if(!strncmp(message, "click ", 6)) {
8859 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8860 if(appData.testLegality || !appData.oneClick) return;
8861 sscanf(message+6, "%c%d%c", &f, &y, &c);
8862 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8863 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8864 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8865 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8866 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8867 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8868 LeftClick(Release, lastLeftX, lastLeftY);
8869 controlKey = (c == ',');
8870 LeftClick(Press, x, y);
8871 LeftClick(Release, x, y);
8872 first.highlight = f;
8876 * If the move is illegal, cancel it and redraw the board.
8877 * Also deal with other error cases. Matching is rather loose
8878 * here to accommodate engines written before the spec.
8880 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8881 strncmp(message, "Error", 5) == 0) {
8882 if (StrStr(message, "name") ||
8883 StrStr(message, "rating") || StrStr(message, "?") ||
8884 StrStr(message, "result") || StrStr(message, "board") ||
8885 StrStr(message, "bk") || StrStr(message, "computer") ||
8886 StrStr(message, "variant") || StrStr(message, "hint") ||
8887 StrStr(message, "random") || StrStr(message, "depth") ||
8888 StrStr(message, "accepted")) {
8891 if (StrStr(message, "protover")) {
8892 /* Program is responding to input, so it's apparently done
8893 initializing, and this error message indicates it is
8894 protocol version 1. So we don't need to wait any longer
8895 for it to initialize and send feature commands. */
8896 FeatureDone(cps, 1);
8897 cps->protocolVersion = 1;
8900 cps->maybeThinking = FALSE;
8902 if (StrStr(message, "draw")) {
8903 /* Program doesn't have "draw" command */
8904 cps->sendDrawOffers = 0;
8907 if (cps->sendTime != 1 &&
8908 (StrStr(message, "time") || StrStr(message, "otim"))) {
8909 /* Program apparently doesn't have "time" or "otim" command */
8913 if (StrStr(message, "analyze")) {
8914 cps->analysisSupport = FALSE;
8915 cps->analyzing = FALSE;
8916 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8917 EditGameEvent(); // [HGM] try to preserve loaded game
8918 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8919 DisplayError(buf2, 0);
8922 if (StrStr(message, "(no matching move)st")) {
8923 /* Special kludge for GNU Chess 4 only */
8924 cps->stKludge = TRUE;
8925 SendTimeControl(cps, movesPerSession, timeControl,
8926 timeIncrement, appData.searchDepth,
8930 if (StrStr(message, "(no matching move)sd")) {
8931 /* Special kludge for GNU Chess 4 only */
8932 cps->sdKludge = TRUE;
8933 SendTimeControl(cps, movesPerSession, timeControl,
8934 timeIncrement, appData.searchDepth,
8938 if (!StrStr(message, "llegal")) {
8941 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8942 gameMode == IcsIdle) return;
8943 if (forwardMostMove <= backwardMostMove) return;
8944 if (pausing) PauseEvent();
8945 if(appData.forceIllegal) {
8946 // [HGM] illegal: machine refused move; force position after move into it
8947 SendToProgram("force\n", cps);
8948 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8949 // we have a real problem now, as SendBoard will use the a2a3 kludge
8950 // when black is to move, while there might be nothing on a2 or black
8951 // might already have the move. So send the board as if white has the move.
8952 // But first we must change the stm of the engine, as it refused the last move
8953 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8954 if(WhiteOnMove(forwardMostMove)) {
8955 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8956 SendBoard(cps, forwardMostMove); // kludgeless board
8958 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8959 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8960 SendBoard(cps, forwardMostMove+1); // kludgeless board
8962 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8963 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8964 gameMode == TwoMachinesPlay)
8965 SendToProgram("go\n", cps);
8968 if (gameMode == PlayFromGameFile) {
8969 /* Stop reading this game file */
8970 gameMode = EditGame;
8973 /* [HGM] illegal-move claim should forfeit game when Xboard */
8974 /* only passes fully legal moves */
8975 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8976 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8977 "False illegal-move claim", GE_XBOARD );
8978 return; // do not take back move we tested as valid
8980 currentMove = forwardMostMove-1;
8981 DisplayMove(currentMove-1); /* before DisplayMoveError */
8982 SwitchClocks(forwardMostMove-1); // [HGM] race
8983 DisplayBothClocks();
8984 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8985 parseList[currentMove], _(cps->which));
8986 DisplayMoveError(buf1);
8987 DrawPosition(FALSE, boards[currentMove]);
8989 SetUserThinkingEnables();
8992 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8993 /* Program has a broken "time" command that
8994 outputs a string not ending in newline.
9000 * If chess program startup fails, exit with an error message.
9001 * Attempts to recover here are futile. [HGM] Well, we try anyway
9003 if ((StrStr(message, "unknown host") != NULL)
9004 || (StrStr(message, "No remote directory") != NULL)
9005 || (StrStr(message, "not found") != NULL)
9006 || (StrStr(message, "No such file") != NULL)
9007 || (StrStr(message, "can't alloc") != NULL)
9008 || (StrStr(message, "Permission denied") != NULL)) {
9010 cps->maybeThinking = FALSE;
9011 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9012 _(cps->which), cps->program, cps->host, message);
9013 RemoveInputSource(cps->isr);
9014 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9015 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9016 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9022 * Look for hint output
9024 if (sscanf(message, "Hint: %s", buf1) == 1) {
9025 if (cps == &first && hintRequested) {
9026 hintRequested = FALSE;
9027 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9028 &fromX, &fromY, &toX, &toY, &promoChar)) {
9029 (void) CoordsToAlgebraic(boards[forwardMostMove],
9030 PosFlags(forwardMostMove),
9031 fromY, fromX, toY, toX, promoChar, buf1);
9032 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9033 DisplayInformation(buf2);
9035 /* Hint move could not be parsed!? */
9036 snprintf(buf2, sizeof(buf2),
9037 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9038 buf1, _(cps->which));
9039 DisplayError(buf2, 0);
9042 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9048 * Ignore other messages if game is not in progress
9050 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9051 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9054 * look for win, lose, draw, or draw offer
9056 if (strncmp(message, "1-0", 3) == 0) {
9057 char *p, *q, *r = "";
9058 p = strchr(message, '{');
9066 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9068 } else if (strncmp(message, "0-1", 3) == 0) {
9069 char *p, *q, *r = "";
9070 p = strchr(message, '{');
9078 /* Kludge for Arasan 4.1 bug */
9079 if (strcmp(r, "Black resigns") == 0) {
9080 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9083 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9085 } else if (strncmp(message, "1/2", 3) == 0) {
9086 char *p, *q, *r = "";
9087 p = strchr(message, '{');
9096 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9099 } else if (strncmp(message, "White resign", 12) == 0) {
9100 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9102 } else if (strncmp(message, "Black resign", 12) == 0) {
9103 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9105 } else if (strncmp(message, "White matches", 13) == 0 ||
9106 strncmp(message, "Black matches", 13) == 0 ) {
9107 /* [HGM] ignore GNUShogi noises */
9109 } else if (strncmp(message, "White", 5) == 0 &&
9110 message[5] != '(' &&
9111 StrStr(message, "Black") == NULL) {
9112 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9114 } else if (strncmp(message, "Black", 5) == 0 &&
9115 message[5] != '(') {
9116 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9118 } else if (strcmp(message, "resign") == 0 ||
9119 strcmp(message, "computer resigns") == 0) {
9121 case MachinePlaysBlack:
9122 case IcsPlayingBlack:
9123 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9125 case MachinePlaysWhite:
9126 case IcsPlayingWhite:
9127 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9129 case TwoMachinesPlay:
9130 if (cps->twoMachinesColor[0] == 'w')
9131 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9133 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9140 } else if (strncmp(message, "opponent mates", 14) == 0) {
9142 case MachinePlaysBlack:
9143 case IcsPlayingBlack:
9144 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9146 case MachinePlaysWhite:
9147 case IcsPlayingWhite:
9148 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9150 case TwoMachinesPlay:
9151 if (cps->twoMachinesColor[0] == 'w')
9152 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9154 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9161 } else if (strncmp(message, "computer mates", 14) == 0) {
9163 case MachinePlaysBlack:
9164 case IcsPlayingBlack:
9165 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9167 case MachinePlaysWhite:
9168 case IcsPlayingWhite:
9169 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9171 case TwoMachinesPlay:
9172 if (cps->twoMachinesColor[0] == 'w')
9173 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9175 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9182 } else if (strncmp(message, "checkmate", 9) == 0) {
9183 if (WhiteOnMove(forwardMostMove)) {
9184 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9186 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9189 } else if (strstr(message, "Draw") != NULL ||
9190 strstr(message, "game is a draw") != NULL) {
9191 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9193 } else if (strstr(message, "offer") != NULL &&
9194 strstr(message, "draw") != NULL) {
9196 if (appData.zippyPlay && first.initDone) {
9197 /* Relay offer to ICS */
9198 SendToICS(ics_prefix);
9199 SendToICS("draw\n");
9202 cps->offeredDraw = 2; /* valid until this engine moves twice */
9203 if (gameMode == TwoMachinesPlay) {
9204 if (cps->other->offeredDraw) {
9205 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9206 /* [HGM] in two-machine mode we delay relaying draw offer */
9207 /* until after we also have move, to see if it is really claim */
9209 } else if (gameMode == MachinePlaysWhite ||
9210 gameMode == MachinePlaysBlack) {
9211 if (userOfferedDraw) {
9212 DisplayInformation(_("Machine accepts your draw offer"));
9213 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9215 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9222 * Look for thinking output
9224 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9225 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9227 int plylev, mvleft, mvtot, curscore, time;
9228 char mvname[MOVE_LEN];
9232 int prefixHint = FALSE;
9233 mvname[0] = NULLCHAR;
9236 case MachinePlaysBlack:
9237 case IcsPlayingBlack:
9238 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9240 case MachinePlaysWhite:
9241 case IcsPlayingWhite:
9242 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9247 case IcsObserving: /* [DM] icsEngineAnalyze */
9248 if (!appData.icsEngineAnalyze) ignore = TRUE;
9250 case TwoMachinesPlay:
9251 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9261 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9263 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9264 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9266 if (plyext != ' ' && plyext != '\t') {
9270 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9271 if( cps->scoreIsAbsolute &&
9272 ( gameMode == MachinePlaysBlack ||
9273 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9274 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9275 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9276 !WhiteOnMove(currentMove)
9279 curscore = -curscore;
9282 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9284 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9287 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9288 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9289 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9290 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9291 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9292 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9296 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9297 DisplayError(_("failed writing PV"), 0);
9300 tempStats.depth = plylev;
9301 tempStats.nodes = nodes;
9302 tempStats.time = time;
9303 tempStats.score = curscore;
9304 tempStats.got_only_move = 0;
9306 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9309 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9310 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9311 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9312 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9313 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9314 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9315 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9316 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9319 /* Buffer overflow protection */
9320 if (pv[0] != NULLCHAR) {
9321 if (strlen(pv) >= sizeof(tempStats.movelist)
9322 && appData.debugMode) {
9324 "PV is too long; using the first %u bytes.\n",
9325 (unsigned) sizeof(tempStats.movelist) - 1);
9328 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9330 sprintf(tempStats.movelist, " no PV\n");
9333 if (tempStats.seen_stat) {
9334 tempStats.ok_to_send = 1;
9337 if (strchr(tempStats.movelist, '(') != NULL) {
9338 tempStats.line_is_book = 1;
9339 tempStats.nr_moves = 0;
9340 tempStats.moves_left = 0;
9342 tempStats.line_is_book = 0;
9345 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9346 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9348 SendProgramStatsToFrontend( cps, &tempStats );
9351 [AS] Protect the thinkOutput buffer from overflow... this
9352 is only useful if buf1 hasn't overflowed first!
9354 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9356 (gameMode == TwoMachinesPlay ?
9357 ToUpper(cps->twoMachinesColor[0]) : ' '),
9358 ((double) curscore) / 100.0,
9359 prefixHint ? lastHint : "",
9360 prefixHint ? " " : "" );
9362 if( buf1[0] != NULLCHAR ) {
9363 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9365 if( strlen(pv) > max_len ) {
9366 if( appData.debugMode) {
9367 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9369 pv[max_len+1] = '\0';
9372 strcat( thinkOutput, pv);
9375 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9376 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9377 DisplayMove(currentMove - 1);
9381 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9382 /* crafty (9.25+) says "(only move) <move>"
9383 * if there is only 1 legal move
9385 sscanf(p, "(only move) %s", buf1);
9386 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9387 sprintf(programStats.movelist, "%s (only move)", buf1);
9388 programStats.depth = 1;
9389 programStats.nr_moves = 1;
9390 programStats.moves_left = 1;
9391 programStats.nodes = 1;
9392 programStats.time = 1;
9393 programStats.got_only_move = 1;
9395 /* Not really, but we also use this member to
9396 mean "line isn't going to change" (Crafty
9397 isn't searching, so stats won't change) */
9398 programStats.line_is_book = 1;
9400 SendProgramStatsToFrontend( cps, &programStats );
9402 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9403 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9404 DisplayMove(currentMove - 1);
9407 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9408 &time, &nodes, &plylev, &mvleft,
9409 &mvtot, mvname) >= 5) {
9410 /* The stat01: line is from Crafty (9.29+) in response
9411 to the "." command */
9412 programStats.seen_stat = 1;
9413 cps->maybeThinking = TRUE;
9415 if (programStats.got_only_move || !appData.periodicUpdates)
9418 programStats.depth = plylev;
9419 programStats.time = time;
9420 programStats.nodes = nodes;
9421 programStats.moves_left = mvleft;
9422 programStats.nr_moves = mvtot;
9423 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9424 programStats.ok_to_send = 1;
9425 programStats.movelist[0] = '\0';
9427 SendProgramStatsToFrontend( cps, &programStats );
9431 } else if (strncmp(message,"++",2) == 0) {
9432 /* Crafty 9.29+ outputs this */
9433 programStats.got_fail = 2;
9436 } else if (strncmp(message,"--",2) == 0) {
9437 /* Crafty 9.29+ outputs this */
9438 programStats.got_fail = 1;
9441 } else if (thinkOutput[0] != NULLCHAR &&
9442 strncmp(message, " ", 4) == 0) {
9443 unsigned message_len;
9446 while (*p && *p == ' ') p++;
9448 message_len = strlen( p );
9450 /* [AS] Avoid buffer overflow */
9451 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9452 strcat(thinkOutput, " ");
9453 strcat(thinkOutput, p);
9456 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9457 strcat(programStats.movelist, " ");
9458 strcat(programStats.movelist, p);
9461 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9462 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9463 DisplayMove(currentMove - 1);
9471 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9472 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9474 ChessProgramStats cpstats;
9476 if (plyext != ' ' && plyext != '\t') {
9480 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9481 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9482 curscore = -curscore;
9485 cpstats.depth = plylev;
9486 cpstats.nodes = nodes;
9487 cpstats.time = time;
9488 cpstats.score = curscore;
9489 cpstats.got_only_move = 0;
9490 cpstats.movelist[0] = '\0';
9492 if (buf1[0] != NULLCHAR) {
9493 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9496 cpstats.ok_to_send = 0;
9497 cpstats.line_is_book = 0;
9498 cpstats.nr_moves = 0;
9499 cpstats.moves_left = 0;
9501 SendProgramStatsToFrontend( cps, &cpstats );
9508 /* Parse a game score from the character string "game", and
9509 record it as the history of the current game. The game
9510 score is NOT assumed to start from the standard position.
9511 The display is not updated in any way.
9514 ParseGameHistory (char *game)
9517 int fromX, fromY, toX, toY, boardIndex;
9522 if (appData.debugMode)
9523 fprintf(debugFP, "Parsing game history: %s\n", game);
9525 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9526 gameInfo.site = StrSave(appData.icsHost);
9527 gameInfo.date = PGNDate();
9528 gameInfo.round = StrSave("-");
9530 /* Parse out names of players */
9531 while (*game == ' ') game++;
9533 while (*game != ' ') *p++ = *game++;
9535 gameInfo.white = StrSave(buf);
9536 while (*game == ' ') game++;
9538 while (*game != ' ' && *game != '\n') *p++ = *game++;
9540 gameInfo.black = StrSave(buf);
9543 boardIndex = blackPlaysFirst ? 1 : 0;
9546 yyboardindex = boardIndex;
9547 moveType = (ChessMove) Myylex();
9549 case IllegalMove: /* maybe suicide chess, etc. */
9550 if (appData.debugMode) {
9551 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9552 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9553 setbuf(debugFP, NULL);
9555 case WhitePromotion:
9556 case BlackPromotion:
9557 case WhiteNonPromotion:
9558 case BlackNonPromotion:
9561 case WhiteCapturesEnPassant:
9562 case BlackCapturesEnPassant:
9563 case WhiteKingSideCastle:
9564 case WhiteQueenSideCastle:
9565 case BlackKingSideCastle:
9566 case BlackQueenSideCastle:
9567 case WhiteKingSideCastleWild:
9568 case WhiteQueenSideCastleWild:
9569 case BlackKingSideCastleWild:
9570 case BlackQueenSideCastleWild:
9572 case WhiteHSideCastleFR:
9573 case WhiteASideCastleFR:
9574 case BlackHSideCastleFR:
9575 case BlackASideCastleFR:
9577 fromX = currentMoveString[0] - AAA;
9578 fromY = currentMoveString[1] - ONE;
9579 toX = currentMoveString[2] - AAA;
9580 toY = currentMoveString[3] - ONE;
9581 promoChar = currentMoveString[4];
9585 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9586 fromX = moveType == WhiteDrop ?
9587 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9588 (int) CharToPiece(ToLower(currentMoveString[0]));
9590 toX = currentMoveString[2] - AAA;
9591 toY = currentMoveString[3] - ONE;
9592 promoChar = NULLCHAR;
9596 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9597 if (appData.debugMode) {
9598 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9599 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9600 setbuf(debugFP, NULL);
9602 DisplayError(buf, 0);
9604 case ImpossibleMove:
9606 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9607 if (appData.debugMode) {
9608 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9609 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9610 setbuf(debugFP, NULL);
9612 DisplayError(buf, 0);
9615 if (boardIndex < backwardMostMove) {
9616 /* Oops, gap. How did that happen? */
9617 DisplayError(_("Gap in move list"), 0);
9620 backwardMostMove = blackPlaysFirst ? 1 : 0;
9621 if (boardIndex > forwardMostMove) {
9622 forwardMostMove = boardIndex;
9626 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9627 strcat(parseList[boardIndex-1], " ");
9628 strcat(parseList[boardIndex-1], yy_text);
9640 case GameUnfinished:
9641 if (gameMode == IcsExamining) {
9642 if (boardIndex < backwardMostMove) {
9643 /* Oops, gap. How did that happen? */
9646 backwardMostMove = blackPlaysFirst ? 1 : 0;
9649 gameInfo.result = moveType;
9650 p = strchr(yy_text, '{');
9651 if (p == NULL) p = strchr(yy_text, '(');
9654 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9656 q = strchr(p, *p == '{' ? '}' : ')');
9657 if (q != NULL) *q = NULLCHAR;
9660 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9661 gameInfo.resultDetails = StrSave(p);
9664 if (boardIndex >= forwardMostMove &&
9665 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9666 backwardMostMove = blackPlaysFirst ? 1 : 0;
9669 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9670 fromY, fromX, toY, toX, promoChar,
9671 parseList[boardIndex]);
9672 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9673 /* currentMoveString is set as a side-effect of yylex */
9674 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9675 strcat(moveList[boardIndex], "\n");
9677 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9678 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9684 if(gameInfo.variant != VariantShogi)
9685 strcat(parseList[boardIndex - 1], "+");
9689 strcat(parseList[boardIndex - 1], "#");
9696 /* Apply a move to the given board */
9698 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9700 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9701 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9703 /* [HGM] compute & store e.p. status and castling rights for new position */
9704 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9706 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9707 oldEP = (signed char)board[EP_STATUS];
9708 board[EP_STATUS] = EP_NONE;
9710 if (fromY == DROP_RANK) {
9712 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9713 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9716 piece = board[toY][toX] = (ChessSquare) fromX;
9721 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9722 victim = board[killY][killX],
9723 board[killY][killX] = EmptySquare,
9724 board[EP_STATUS] = EP_CAPTURE;
9726 if( board[toY][toX] != EmptySquare ) {
9727 board[EP_STATUS] = EP_CAPTURE;
9728 if( (fromX != toX || fromY != toY) && // not igui!
9729 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9730 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9731 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9735 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9736 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9737 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9739 if( board[fromY][fromX] == WhitePawn ) {
9740 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9741 board[EP_STATUS] = EP_PAWN_MOVE;
9743 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9744 gameInfo.variant != VariantBerolina || toX < fromX)
9745 board[EP_STATUS] = toX | berolina;
9746 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9747 gameInfo.variant != VariantBerolina || toX > fromX)
9748 board[EP_STATUS] = toX;
9751 if( board[fromY][fromX] == BlackPawn ) {
9752 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9753 board[EP_STATUS] = EP_PAWN_MOVE;
9754 if( toY-fromY== -2) {
9755 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9756 gameInfo.variant != VariantBerolina || toX < fromX)
9757 board[EP_STATUS] = toX | berolina;
9758 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9759 gameInfo.variant != VariantBerolina || toX > fromX)
9760 board[EP_STATUS] = toX;
9764 for(i=0; i<nrCastlingRights; i++) {
9765 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9766 board[CASTLING][i] == toX && castlingRank[i] == toY
9767 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9770 if(gameInfo.variant == VariantSChess) { // update virginity
9771 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9772 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9773 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9774 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9777 if (fromX == toX && fromY == toY) return;
9779 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9780 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9781 if(gameInfo.variant == VariantKnightmate)
9782 king += (int) WhiteUnicorn - (int) WhiteKing;
9784 /* Code added by Tord: */
9785 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9786 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9787 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9788 board[fromY][fromX] = EmptySquare;
9789 board[toY][toX] = EmptySquare;
9790 if((toX > fromX) != (piece == WhiteRook)) {
9791 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9793 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9795 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9796 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9797 board[fromY][fromX] = EmptySquare;
9798 board[toY][toX] = EmptySquare;
9799 if((toX > fromX) != (piece == BlackRook)) {
9800 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9802 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9804 /* End of code added by Tord */
9806 } else if (board[fromY][fromX] == king
9807 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9808 && toY == fromY && toX > fromX+1) {
9809 board[fromY][fromX] = EmptySquare;
9810 board[toY][toX] = king;
9811 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9812 board[fromY][BOARD_RGHT-1] = EmptySquare;
9813 } else if (board[fromY][fromX] == king
9814 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9815 && toY == fromY && toX < fromX-1) {
9816 board[fromY][fromX] = EmptySquare;
9817 board[toY][toX] = king;
9818 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9819 board[fromY][BOARD_LEFT] = EmptySquare;
9820 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9821 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9822 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9824 /* white pawn promotion */
9825 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9826 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9827 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9828 board[fromY][fromX] = EmptySquare;
9829 } else if ((fromY >= BOARD_HEIGHT>>1)
9830 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9832 && gameInfo.variant != VariantXiangqi
9833 && gameInfo.variant != VariantBerolina
9834 && (board[fromY][fromX] == WhitePawn)
9835 && (board[toY][toX] == EmptySquare)) {
9836 board[fromY][fromX] = EmptySquare;
9837 board[toY][toX] = WhitePawn;
9838 captured = board[toY - 1][toX];
9839 board[toY - 1][toX] = EmptySquare;
9840 } else if ((fromY == BOARD_HEIGHT-4)
9842 && gameInfo.variant == VariantBerolina
9843 && (board[fromY][fromX] == WhitePawn)
9844 && (board[toY][toX] == EmptySquare)) {
9845 board[fromY][fromX] = EmptySquare;
9846 board[toY][toX] = WhitePawn;
9847 if(oldEP & EP_BEROLIN_A) {
9848 captured = board[fromY][fromX-1];
9849 board[fromY][fromX-1] = EmptySquare;
9850 }else{ captured = board[fromY][fromX+1];
9851 board[fromY][fromX+1] = EmptySquare;
9853 } else if (board[fromY][fromX] == king
9854 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9855 && toY == fromY && toX > fromX+1) {
9856 board[fromY][fromX] = EmptySquare;
9857 board[toY][toX] = king;
9858 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9859 board[fromY][BOARD_RGHT-1] = EmptySquare;
9860 } else if (board[fromY][fromX] == king
9861 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9862 && toY == fromY && toX < fromX-1) {
9863 board[fromY][fromX] = EmptySquare;
9864 board[toY][toX] = king;
9865 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9866 board[fromY][BOARD_LEFT] = EmptySquare;
9867 } else if (fromY == 7 && fromX == 3
9868 && board[fromY][fromX] == BlackKing
9869 && toY == 7 && toX == 5) {
9870 board[fromY][fromX] = EmptySquare;
9871 board[toY][toX] = BlackKing;
9872 board[fromY][7] = EmptySquare;
9873 board[toY][4] = BlackRook;
9874 } else if (fromY == 7 && fromX == 3
9875 && board[fromY][fromX] == BlackKing
9876 && toY == 7 && toX == 1) {
9877 board[fromY][fromX] = EmptySquare;
9878 board[toY][toX] = BlackKing;
9879 board[fromY][0] = EmptySquare;
9880 board[toY][2] = BlackRook;
9881 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9882 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9883 && toY < promoRank && promoChar
9885 /* black pawn promotion */
9886 board[toY][toX] = CharToPiece(ToLower(promoChar));
9887 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9888 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9889 board[fromY][fromX] = EmptySquare;
9890 } else if ((fromY < BOARD_HEIGHT>>1)
9891 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9893 && gameInfo.variant != VariantXiangqi
9894 && gameInfo.variant != VariantBerolina
9895 && (board[fromY][fromX] == BlackPawn)
9896 && (board[toY][toX] == EmptySquare)) {
9897 board[fromY][fromX] = EmptySquare;
9898 board[toY][toX] = BlackPawn;
9899 captured = board[toY + 1][toX];
9900 board[toY + 1][toX] = EmptySquare;
9901 } else if ((fromY == 3)
9903 && gameInfo.variant == VariantBerolina
9904 && (board[fromY][fromX] == BlackPawn)
9905 && (board[toY][toX] == EmptySquare)) {
9906 board[fromY][fromX] = EmptySquare;
9907 board[toY][toX] = BlackPawn;
9908 if(oldEP & EP_BEROLIN_A) {
9909 captured = board[fromY][fromX-1];
9910 board[fromY][fromX-1] = EmptySquare;
9911 }else{ captured = board[fromY][fromX+1];
9912 board[fromY][fromX+1] = EmptySquare;
9915 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
9916 board[fromY][fromX] = EmptySquare;
9917 board[toY][toX] = piece;
9921 if (gameInfo.holdingsWidth != 0) {
9923 /* !!A lot more code needs to be written to support holdings */
9924 /* [HGM] OK, so I have written it. Holdings are stored in the */
9925 /* penultimate board files, so they are automaticlly stored */
9926 /* in the game history. */
9927 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9928 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9929 /* Delete from holdings, by decreasing count */
9930 /* and erasing image if necessary */
9931 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9932 if(p < (int) BlackPawn) { /* white drop */
9933 p -= (int)WhitePawn;
9934 p = PieceToNumber((ChessSquare)p);
9935 if(p >= gameInfo.holdingsSize) p = 0;
9936 if(--board[p][BOARD_WIDTH-2] <= 0)
9937 board[p][BOARD_WIDTH-1] = EmptySquare;
9938 if((int)board[p][BOARD_WIDTH-2] < 0)
9939 board[p][BOARD_WIDTH-2] = 0;
9940 } else { /* black drop */
9941 p -= (int)BlackPawn;
9942 p = PieceToNumber((ChessSquare)p);
9943 if(p >= gameInfo.holdingsSize) p = 0;
9944 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9945 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9946 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9947 board[BOARD_HEIGHT-1-p][1] = 0;
9950 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9951 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9952 /* [HGM] holdings: Add to holdings, if holdings exist */
9953 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9954 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9955 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9958 if (p >= (int) BlackPawn) {
9959 p -= (int)BlackPawn;
9960 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9961 /* in Shogi restore piece to its original first */
9962 captured = (ChessSquare) (DEMOTED captured);
9965 p = PieceToNumber((ChessSquare)p);
9966 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9967 board[p][BOARD_WIDTH-2]++;
9968 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9970 p -= (int)WhitePawn;
9971 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9972 captured = (ChessSquare) (DEMOTED captured);
9975 p = PieceToNumber((ChessSquare)p);
9976 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9977 board[BOARD_HEIGHT-1-p][1]++;
9978 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9981 } else if (gameInfo.variant == VariantAtomic) {
9982 if (captured != EmptySquare) {
9984 for (y = toY-1; y <= toY+1; y++) {
9985 for (x = toX-1; x <= toX+1; x++) {
9986 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9987 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9988 board[y][x] = EmptySquare;
9992 board[toY][toX] = EmptySquare;
9995 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9996 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9998 if(promoChar == '+') {
9999 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10000 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10001 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10002 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10003 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10004 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10005 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10006 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10007 board[toY][toX] = newPiece;
10009 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10010 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10011 // [HGM] superchess: take promotion piece out of holdings
10012 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10013 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10014 if(!--board[k][BOARD_WIDTH-2])
10015 board[k][BOARD_WIDTH-1] = EmptySquare;
10017 if(!--board[BOARD_HEIGHT-1-k][1])
10018 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10023 /* Updates forwardMostMove */
10025 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10027 int x = toX, y = toY;
10028 char *s = parseList[forwardMostMove];
10029 ChessSquare p = boards[forwardMostMove][toY][toX];
10030 // forwardMostMove++; // [HGM] bare: moved downstream
10032 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10033 (void) CoordsToAlgebraic(boards[forwardMostMove],
10034 PosFlags(forwardMostMove),
10035 fromY, fromX, y, x, promoChar,
10037 if(killX >= 0 && killY >= 0)
10038 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10040 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10041 int timeLeft; static int lastLoadFlag=0; int king, piece;
10042 piece = boards[forwardMostMove][fromY][fromX];
10043 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10044 if(gameInfo.variant == VariantKnightmate)
10045 king += (int) WhiteUnicorn - (int) WhiteKing;
10046 if(forwardMostMove == 0) {
10047 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10048 fprintf(serverMoves, "%s;", UserName());
10049 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10050 fprintf(serverMoves, "%s;", second.tidy);
10051 fprintf(serverMoves, "%s;", first.tidy);
10052 if(gameMode == MachinePlaysWhite)
10053 fprintf(serverMoves, "%s;", UserName());
10054 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10055 fprintf(serverMoves, "%s;", second.tidy);
10056 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10057 lastLoadFlag = loadFlag;
10059 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10060 // print castling suffix
10061 if( toY == fromY && piece == king ) {
10063 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10065 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10068 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10069 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10070 boards[forwardMostMove][toY][toX] == EmptySquare
10071 && fromX != toX && fromY != toY)
10072 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10073 // promotion suffix
10074 if(promoChar != NULLCHAR) {
10075 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10076 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10077 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10078 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10081 char buf[MOVE_LEN*2], *p; int len;
10082 fprintf(serverMoves, "/%d/%d",
10083 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10084 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10085 else timeLeft = blackTimeRemaining/1000;
10086 fprintf(serverMoves, "/%d", timeLeft);
10087 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10088 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10089 if(p = strchr(buf, '=')) *p = NULLCHAR;
10090 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10091 fprintf(serverMoves, "/%s", buf);
10093 fflush(serverMoves);
10096 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10097 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10100 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10101 if (commentList[forwardMostMove+1] != NULL) {
10102 free(commentList[forwardMostMove+1]);
10103 commentList[forwardMostMove+1] = NULL;
10105 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10106 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10107 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10108 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10109 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10110 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10111 adjustedClock = FALSE;
10112 gameInfo.result = GameUnfinished;
10113 if (gameInfo.resultDetails != NULL) {
10114 free(gameInfo.resultDetails);
10115 gameInfo.resultDetails = NULL;
10117 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10118 moveList[forwardMostMove - 1]);
10119 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10125 if(gameInfo.variant != VariantShogi)
10126 strcat(parseList[forwardMostMove - 1], "+");
10130 strcat(parseList[forwardMostMove - 1], "#");
10135 /* Updates currentMove if not pausing */
10137 ShowMove (int fromX, int fromY, int toX, int toY)
10139 int instant = (gameMode == PlayFromGameFile) ?
10140 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10141 if(appData.noGUI) return;
10142 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10144 if (forwardMostMove == currentMove + 1) {
10145 AnimateMove(boards[forwardMostMove - 1],
10146 fromX, fromY, toX, toY);
10149 currentMove = forwardMostMove;
10152 killX = killY = -1; // [HGM] lion: used up
10154 if (instant) return;
10156 DisplayMove(currentMove - 1);
10157 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10158 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10159 SetHighlights(fromX, fromY, toX, toY);
10162 DrawPosition(FALSE, boards[currentMove]);
10163 DisplayBothClocks();
10164 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10168 SendEgtPath (ChessProgramState *cps)
10169 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10170 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10172 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10175 char c, *q = name+1, *r, *s;
10177 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10178 while(*p && *p != ',') *q++ = *p++;
10179 *q++ = ':'; *q = 0;
10180 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10181 strcmp(name, ",nalimov:") == 0 ) {
10182 // take nalimov path from the menu-changeable option first, if it is defined
10183 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10184 SendToProgram(buf,cps); // send egtbpath command for nalimov
10186 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10187 (s = StrStr(appData.egtFormats, name)) != NULL) {
10188 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10189 s = r = StrStr(s, ":") + 1; // beginning of path info
10190 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10191 c = *r; *r = 0; // temporarily null-terminate path info
10192 *--q = 0; // strip of trailig ':' from name
10193 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10195 SendToProgram(buf,cps); // send egtbpath command for this format
10197 if(*p == ',') p++; // read away comma to position for next format name
10202 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10204 int width = 8, height = 8, holdings = 0; // most common sizes
10205 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10206 // correct the deviations default for each variant
10207 if( v == VariantXiangqi ) width = 9, height = 10;
10208 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10209 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10210 if( v == VariantCapablanca || v == VariantCapaRandom ||
10211 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10213 if( v == VariantCourier ) width = 12;
10214 if( v == VariantSuper ) holdings = 8;
10215 if( v == VariantGreat ) width = 10, holdings = 8;
10216 if( v == VariantSChess ) holdings = 7;
10217 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10218 if( v == VariantChuChess) width = 10, height = 10;
10219 if( v == VariantChu ) width = 12, height = 12;
10220 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10221 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10222 holdingsSize >= 0 && holdingsSize != holdings;
10225 char variantError[MSG_SIZ];
10228 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10229 { // returns error message (recognizable by upper-case) if engine does not support the variant
10230 char *p, *variant = VariantName(v);
10231 static char b[MSG_SIZ];
10232 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10233 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10234 holdingsSize, variant); // cook up sized variant name
10235 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10236 if(StrStr(list, b) == NULL) {
10237 // specific sized variant not known, check if general sizing allowed
10238 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10239 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10240 boardWidth, boardHeight, holdingsSize, engine);
10243 /* [HGM] here we really should compare with the maximum supported board size */
10245 } else snprintf(b, MSG_SIZ,"%s", variant);
10246 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10247 p = StrStr(list, b);
10248 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10250 // occurs not at all in list, or only as sub-string
10251 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10252 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10253 int l = strlen(variantError);
10255 while(p != list && p[-1] != ',') p--;
10256 q = strchr(p, ',');
10257 if(q) *q = NULLCHAR;
10258 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10267 InitChessProgram (ChessProgramState *cps, int setup)
10268 /* setup needed to setup FRC opening position */
10270 char buf[MSG_SIZ], *b;
10271 if (appData.noChessProgram) return;
10272 hintRequested = FALSE;
10273 bookRequested = FALSE;
10275 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10276 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10277 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10278 if(cps->memSize) { /* [HGM] memory */
10279 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10280 SendToProgram(buf, cps);
10282 SendEgtPath(cps); /* [HGM] EGT */
10283 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10284 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10285 SendToProgram(buf, cps);
10288 SendToProgram(cps->initString, cps);
10289 if (gameInfo.variant != VariantNormal &&
10290 gameInfo.variant != VariantLoadable
10291 /* [HGM] also send variant if board size non-standard */
10292 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10294 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10295 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10297 DisplayFatalError(variantError, 0, 1);
10301 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10302 SendToProgram(buf, cps);
10304 currentlyInitializedVariant = gameInfo.variant;
10306 /* [HGM] send opening position in FRC to first engine */
10308 SendToProgram("force\n", cps);
10310 /* engine is now in force mode! Set flag to wake it up after first move. */
10311 setboardSpoiledMachineBlack = 1;
10314 if (cps->sendICS) {
10315 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10316 SendToProgram(buf, cps);
10318 cps->maybeThinking = FALSE;
10319 cps->offeredDraw = 0;
10320 if (!appData.icsActive) {
10321 SendTimeControl(cps, movesPerSession, timeControl,
10322 timeIncrement, appData.searchDepth,
10325 if (appData.showThinking
10326 // [HGM] thinking: four options require thinking output to be sent
10327 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10329 SendToProgram("post\n", cps);
10331 SendToProgram("hard\n", cps);
10332 if (!appData.ponderNextMove) {
10333 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10334 it without being sure what state we are in first. "hard"
10335 is not a toggle, so that one is OK.
10337 SendToProgram("easy\n", cps);
10339 if (cps->usePing) {
10340 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10341 SendToProgram(buf, cps);
10343 cps->initDone = TRUE;
10344 ClearEngineOutputPane(cps == &second);
10349 ResendOptions (ChessProgramState *cps)
10350 { // send the stored value of the options
10353 Option *opt = cps->option;
10354 for(i=0; i<cps->nrOptions; i++, opt++) {
10355 switch(opt->type) {
10359 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10362 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10365 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10371 SendToProgram(buf, cps);
10376 StartChessProgram (ChessProgramState *cps)
10381 if (appData.noChessProgram) return;
10382 cps->initDone = FALSE;
10384 if (strcmp(cps->host, "localhost") == 0) {
10385 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10386 } else if (*appData.remoteShell == NULLCHAR) {
10387 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10389 if (*appData.remoteUser == NULLCHAR) {
10390 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10393 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10394 cps->host, appData.remoteUser, cps->program);
10396 err = StartChildProcess(buf, "", &cps->pr);
10400 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10401 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10402 if(cps != &first) return;
10403 appData.noChessProgram = TRUE;
10406 // DisplayFatalError(buf, err, 1);
10407 // cps->pr = NoProc;
10408 // cps->isr = NULL;
10412 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10413 if (cps->protocolVersion > 1) {
10414 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10415 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10416 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10417 cps->comboCnt = 0; // and values of combo boxes
10419 SendToProgram(buf, cps);
10420 if(cps->reload) ResendOptions(cps);
10422 SendToProgram("xboard\n", cps);
10427 TwoMachinesEventIfReady P((void))
10429 static int curMess = 0;
10430 if (first.lastPing != first.lastPong) {
10431 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10432 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10435 if (second.lastPing != second.lastPong) {
10436 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10437 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10440 DisplayMessage("", ""); curMess = 0;
10441 TwoMachinesEvent();
10445 MakeName (char *template)
10449 static char buf[MSG_SIZ];
10453 clock = time((time_t *)NULL);
10454 tm = localtime(&clock);
10456 while(*p++ = *template++) if(p[-1] == '%') {
10457 switch(*template++) {
10458 case 0: *p = 0; return buf;
10459 case 'Y': i = tm->tm_year+1900; break;
10460 case 'y': i = tm->tm_year-100; break;
10461 case 'M': i = tm->tm_mon+1; break;
10462 case 'd': i = tm->tm_mday; break;
10463 case 'h': i = tm->tm_hour; break;
10464 case 'm': i = tm->tm_min; break;
10465 case 's': i = tm->tm_sec; break;
10468 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10474 CountPlayers (char *p)
10477 while(p = strchr(p, '\n')) p++, n++; // count participants
10482 WriteTourneyFile (char *results, FILE *f)
10483 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10484 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10485 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10486 // create a file with tournament description
10487 fprintf(f, "-participants {%s}\n", appData.participants);
10488 fprintf(f, "-seedBase %d\n", appData.seedBase);
10489 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10490 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10491 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10492 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10493 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10494 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10495 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10496 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10497 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10498 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10499 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10500 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10501 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10502 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10503 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10504 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10505 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10506 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10507 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10508 fprintf(f, "-smpCores %d\n", appData.smpCores);
10510 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10512 fprintf(f, "-mps %d\n", appData.movesPerSession);
10513 fprintf(f, "-tc %s\n", appData.timeControl);
10514 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10516 fprintf(f, "-results \"%s\"\n", results);
10521 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10524 Substitute (char *participants, int expunge)
10526 int i, changed, changes=0, nPlayers=0;
10527 char *p, *q, *r, buf[MSG_SIZ];
10528 if(participants == NULL) return;
10529 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10530 r = p = participants; q = appData.participants;
10531 while(*p && *p == *q) {
10532 if(*p == '\n') r = p+1, nPlayers++;
10535 if(*p) { // difference
10536 while(*p && *p++ != '\n');
10537 while(*q && *q++ != '\n');
10538 changed = nPlayers;
10539 changes = 1 + (strcmp(p, q) != 0);
10541 if(changes == 1) { // a single engine mnemonic was changed
10542 q = r; while(*q) nPlayers += (*q++ == '\n');
10543 p = buf; while(*r && (*p = *r++) != '\n') p++;
10545 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10546 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10547 if(mnemonic[i]) { // The substitute is valid
10549 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10550 flock(fileno(f), LOCK_EX);
10551 ParseArgsFromFile(f);
10552 fseek(f, 0, SEEK_SET);
10553 FREE(appData.participants); appData.participants = participants;
10554 if(expunge) { // erase results of replaced engine
10555 int len = strlen(appData.results), w, b, dummy;
10556 for(i=0; i<len; i++) {
10557 Pairing(i, nPlayers, &w, &b, &dummy);
10558 if((w == changed || b == changed) && appData.results[i] == '*') {
10559 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10564 for(i=0; i<len; i++) {
10565 Pairing(i, nPlayers, &w, &b, &dummy);
10566 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10569 WriteTourneyFile(appData.results, f);
10570 fclose(f); // release lock
10573 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10575 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10576 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10577 free(participants);
10582 CheckPlayers (char *participants)
10585 char buf[MSG_SIZ], *p;
10586 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10587 while(p = strchr(participants, '\n')) {
10589 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10591 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10593 DisplayError(buf, 0);
10597 participants = p + 1;
10603 CreateTourney (char *name)
10606 if(matchMode && strcmp(name, appData.tourneyFile)) {
10607 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10609 if(name[0] == NULLCHAR) {
10610 if(appData.participants[0])
10611 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10614 f = fopen(name, "r");
10615 if(f) { // file exists
10616 ASSIGN(appData.tourneyFile, name);
10617 ParseArgsFromFile(f); // parse it
10619 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10620 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10621 DisplayError(_("Not enough participants"), 0);
10624 if(CheckPlayers(appData.participants)) return 0;
10625 ASSIGN(appData.tourneyFile, name);
10626 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10627 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10630 appData.noChessProgram = FALSE;
10631 appData.clockMode = TRUE;
10637 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10639 char buf[MSG_SIZ], *p, *q;
10640 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10641 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10642 skip = !all && group[0]; // if group requested, we start in skip mode
10643 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10644 p = names; q = buf; header = 0;
10645 while(*p && *p != '\n') *q++ = *p++;
10647 if(*p == '\n') p++;
10648 if(buf[0] == '#') {
10649 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10650 depth++; // we must be entering a new group
10651 if(all) continue; // suppress printing group headers when complete list requested
10653 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10655 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10656 if(engineList[i]) free(engineList[i]);
10657 engineList[i] = strdup(buf);
10658 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10659 if(engineMnemonic[i]) free(engineMnemonic[i]);
10660 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10662 sscanf(q + 8, "%s", buf + strlen(buf));
10665 engineMnemonic[i] = strdup(buf);
10668 engineList[i] = engineMnemonic[i] = NULL;
10672 // following implemented as macro to avoid type limitations
10673 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10676 SwapEngines (int n)
10677 { // swap settings for first engine and other engine (so far only some selected options)
10682 SWAP(chessProgram, p)
10684 SWAP(hasOwnBookUCI, h)
10685 SWAP(protocolVersion, h)
10687 SWAP(scoreIsAbsolute, h)
10692 SWAP(engOptions, p)
10693 SWAP(engInitString, p)
10694 SWAP(computerString, p)
10696 SWAP(fenOverride, p)
10698 SWAP(accumulateTC, h)
10703 GetEngineLine (char *s, int n)
10707 extern char *icsNames;
10708 if(!s || !*s) return 0;
10709 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10710 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10711 if(!mnemonic[i]) return 0;
10712 if(n == 11) return 1; // just testing if there was a match
10713 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10714 if(n == 1) SwapEngines(n);
10715 ParseArgsFromString(buf);
10716 if(n == 1) SwapEngines(n);
10717 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10718 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10719 ParseArgsFromString(buf);
10725 SetPlayer (int player, char *p)
10726 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10728 char buf[MSG_SIZ], *engineName;
10729 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10730 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10731 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10733 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10734 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10735 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10736 ParseArgsFromString(buf);
10737 } else { // no engine with this nickname is installed!
10738 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10739 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10740 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10742 DisplayError(buf, 0);
10749 char *recentEngines;
10752 RecentEngineEvent (int nr)
10755 // SwapEngines(1); // bump first to second
10756 // ReplaceEngine(&second, 1); // and load it there
10757 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10758 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10759 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10760 ReplaceEngine(&first, 0);
10761 FloatToFront(&appData.recentEngineList, command[n]);
10766 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10767 { // determine players from game number
10768 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10770 if(appData.tourneyType == 0) {
10771 roundsPerCycle = (nPlayers - 1) | 1;
10772 pairingsPerRound = nPlayers / 2;
10773 } else if(appData.tourneyType > 0) {
10774 roundsPerCycle = nPlayers - appData.tourneyType;
10775 pairingsPerRound = appData.tourneyType;
10777 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10778 gamesPerCycle = gamesPerRound * roundsPerCycle;
10779 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10780 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10781 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10782 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10783 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10784 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10786 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10787 if(appData.roundSync) *syncInterval = gamesPerRound;
10789 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10791 if(appData.tourneyType == 0) {
10792 if(curPairing == (nPlayers-1)/2 ) {
10793 *whitePlayer = curRound;
10794 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10796 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10797 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10798 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10799 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10801 } else if(appData.tourneyType > 1) {
10802 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10803 *whitePlayer = curRound + appData.tourneyType;
10804 } else if(appData.tourneyType > 0) {
10805 *whitePlayer = curPairing;
10806 *blackPlayer = curRound + appData.tourneyType;
10809 // take care of white/black alternation per round.
10810 // For cycles and games this is already taken care of by default, derived from matchGame!
10811 return curRound & 1;
10815 NextTourneyGame (int nr, int *swapColors)
10816 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10818 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10820 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10821 tf = fopen(appData.tourneyFile, "r");
10822 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10823 ParseArgsFromFile(tf); fclose(tf);
10824 InitTimeControls(); // TC might be altered from tourney file
10826 nPlayers = CountPlayers(appData.participants); // count participants
10827 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10828 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10831 p = q = appData.results;
10832 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10833 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10834 DisplayMessage(_("Waiting for other game(s)"),"");
10835 waitingForGame = TRUE;
10836 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10839 waitingForGame = FALSE;
10842 if(appData.tourneyType < 0) {
10843 if(nr>=0 && !pairingReceived) {
10845 if(pairing.pr == NoProc) {
10846 if(!appData.pairingEngine[0]) {
10847 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10850 StartChessProgram(&pairing); // starts the pairing engine
10852 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10853 SendToProgram(buf, &pairing);
10854 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10855 SendToProgram(buf, &pairing);
10856 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10858 pairingReceived = 0; // ... so we continue here
10860 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10861 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10862 matchGame = 1; roundNr = nr / syncInterval + 1;
10865 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10867 // redefine engines, engine dir, etc.
10868 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10869 if(first.pr == NoProc) {
10870 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10871 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10873 if(second.pr == NoProc) {
10875 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10876 SwapEngines(1); // and make that valid for second engine by swapping
10877 InitEngine(&second, 1);
10879 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10880 UpdateLogos(FALSE); // leave display to ModeHiglight()
10886 { // performs game initialization that does not invoke engines, and then tries to start the game
10887 int res, firstWhite, swapColors = 0;
10888 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10889 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
10891 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10892 if(strcmp(buf, currentDebugFile)) { // name has changed
10893 FILE *f = fopen(buf, "w");
10894 if(f) { // if opening the new file failed, just keep using the old one
10895 ASSIGN(currentDebugFile, buf);
10899 if(appData.serverFileName) {
10900 if(serverFP) fclose(serverFP);
10901 serverFP = fopen(appData.serverFileName, "w");
10902 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10903 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10907 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10908 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10909 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10910 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10911 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10912 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10913 Reset(FALSE, first.pr != NoProc);
10914 res = LoadGameOrPosition(matchGame); // setup game
10915 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10916 if(!res) return; // abort when bad game/pos file
10917 TwoMachinesEvent();
10921 UserAdjudicationEvent (int result)
10923 ChessMove gameResult = GameIsDrawn;
10926 gameResult = WhiteWins;
10928 else if( result < 0 ) {
10929 gameResult = BlackWins;
10932 if( gameMode == TwoMachinesPlay ) {
10933 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10938 // [HGM] save: calculate checksum of game to make games easily identifiable
10940 StringCheckSum (char *s)
10943 if(s==NULL) return 0;
10944 while(*s) i = i*259 + *s++;
10952 for(i=backwardMostMove; i<forwardMostMove; i++) {
10953 sum += pvInfoList[i].depth;
10954 sum += StringCheckSum(parseList[i]);
10955 sum += StringCheckSum(commentList[i]);
10958 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10959 return sum + StringCheckSum(commentList[i]);
10960 } // end of save patch
10963 GameEnds (ChessMove result, char *resultDetails, int whosays)
10965 GameMode nextGameMode;
10967 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10969 if(endingGame) return; /* [HGM] crash: forbid recursion */
10971 if(twoBoards) { // [HGM] dual: switch back to one board
10972 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10973 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10975 if (appData.debugMode) {
10976 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10977 result, resultDetails ? resultDetails : "(null)", whosays);
10980 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
10982 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10984 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10985 /* If we are playing on ICS, the server decides when the
10986 game is over, but the engine can offer to draw, claim
10990 if (appData.zippyPlay && first.initDone) {
10991 if (result == GameIsDrawn) {
10992 /* In case draw still needs to be claimed */
10993 SendToICS(ics_prefix);
10994 SendToICS("draw\n");
10995 } else if (StrCaseStr(resultDetails, "resign")) {
10996 SendToICS(ics_prefix);
10997 SendToICS("resign\n");
11001 endingGame = 0; /* [HGM] crash */
11005 /* If we're loading the game from a file, stop */
11006 if (whosays == GE_FILE) {
11007 (void) StopLoadGameTimer();
11011 /* Cancel draw offers */
11012 first.offeredDraw = second.offeredDraw = 0;
11014 /* If this is an ICS game, only ICS can really say it's done;
11015 if not, anyone can. */
11016 isIcsGame = (gameMode == IcsPlayingWhite ||
11017 gameMode == IcsPlayingBlack ||
11018 gameMode == IcsObserving ||
11019 gameMode == IcsExamining);
11021 if (!isIcsGame || whosays == GE_ICS) {
11022 /* OK -- not an ICS game, or ICS said it was done */
11024 if (!isIcsGame && !appData.noChessProgram)
11025 SetUserThinkingEnables();
11027 /* [HGM] if a machine claims the game end we verify this claim */
11028 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11029 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11031 ChessMove trueResult = (ChessMove) -1;
11033 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11034 first.twoMachinesColor[0] :
11035 second.twoMachinesColor[0] ;
11037 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11038 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11039 /* [HGM] verify: engine mate claims accepted if they were flagged */
11040 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11042 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11043 /* [HGM] verify: engine mate claims accepted if they were flagged */
11044 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11046 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11047 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11050 // now verify win claims, but not in drop games, as we don't understand those yet
11051 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11052 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11053 (result == WhiteWins && claimer == 'w' ||
11054 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11055 if (appData.debugMode) {
11056 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11057 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11059 if(result != trueResult) {
11060 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11061 result = claimer == 'w' ? BlackWins : WhiteWins;
11062 resultDetails = buf;
11065 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11066 && (forwardMostMove <= backwardMostMove ||
11067 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11068 (claimer=='b')==(forwardMostMove&1))
11070 /* [HGM] verify: draws that were not flagged are false claims */
11071 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11072 result = claimer == 'w' ? BlackWins : WhiteWins;
11073 resultDetails = buf;
11075 /* (Claiming a loss is accepted no questions asked!) */
11076 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11077 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11078 result = GameUnfinished;
11079 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11081 /* [HGM] bare: don't allow bare King to win */
11082 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11083 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11084 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11085 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11086 && result != GameIsDrawn)
11087 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11088 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11089 int p = (signed char)boards[forwardMostMove][i][j] - color;
11090 if(p >= 0 && p <= (int)WhiteKing) k++;
11092 if (appData.debugMode) {
11093 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11094 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11097 result = GameIsDrawn;
11098 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11099 resultDetails = buf;
11105 if(serverMoves != NULL && !loadFlag) { char c = '=';
11106 if(result==WhiteWins) c = '+';
11107 if(result==BlackWins) c = '-';
11108 if(resultDetails != NULL)
11109 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11111 if (resultDetails != NULL) {
11112 gameInfo.result = result;
11113 gameInfo.resultDetails = StrSave(resultDetails);
11115 /* display last move only if game was not loaded from file */
11116 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11117 DisplayMove(currentMove - 1);
11119 if (forwardMostMove != 0) {
11120 if (gameMode != PlayFromGameFile && gameMode != EditGame
11121 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11123 if (*appData.saveGameFile != NULLCHAR) {
11124 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11125 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11127 SaveGameToFile(appData.saveGameFile, TRUE);
11128 } else if (appData.autoSaveGames) {
11129 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11131 if (*appData.savePositionFile != NULLCHAR) {
11132 SavePositionToFile(appData.savePositionFile);
11134 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11138 /* Tell program how game ended in case it is learning */
11139 /* [HGM] Moved this to after saving the PGN, just in case */
11140 /* engine died and we got here through time loss. In that */
11141 /* case we will get a fatal error writing the pipe, which */
11142 /* would otherwise lose us the PGN. */
11143 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11144 /* output during GameEnds should never be fatal anymore */
11145 if (gameMode == MachinePlaysWhite ||
11146 gameMode == MachinePlaysBlack ||
11147 gameMode == TwoMachinesPlay ||
11148 gameMode == IcsPlayingWhite ||
11149 gameMode == IcsPlayingBlack ||
11150 gameMode == BeginningOfGame) {
11152 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11154 if (first.pr != NoProc) {
11155 SendToProgram(buf, &first);
11157 if (second.pr != NoProc &&
11158 gameMode == TwoMachinesPlay) {
11159 SendToProgram(buf, &second);
11164 if (appData.icsActive) {
11165 if (appData.quietPlay &&
11166 (gameMode == IcsPlayingWhite ||
11167 gameMode == IcsPlayingBlack)) {
11168 SendToICS(ics_prefix);
11169 SendToICS("set shout 1\n");
11171 nextGameMode = IcsIdle;
11172 ics_user_moved = FALSE;
11173 /* clean up premove. It's ugly when the game has ended and the
11174 * premove highlights are still on the board.
11177 gotPremove = FALSE;
11178 ClearPremoveHighlights();
11179 DrawPosition(FALSE, boards[currentMove]);
11181 if (whosays == GE_ICS) {
11184 if (gameMode == IcsPlayingWhite)
11186 else if(gameMode == IcsPlayingBlack)
11187 PlayIcsLossSound();
11190 if (gameMode == IcsPlayingBlack)
11192 else if(gameMode == IcsPlayingWhite)
11193 PlayIcsLossSound();
11196 PlayIcsDrawSound();
11199 PlayIcsUnfinishedSound();
11202 if(appData.quitNext) { ExitEvent(0); return; }
11203 } else if (gameMode == EditGame ||
11204 gameMode == PlayFromGameFile ||
11205 gameMode == AnalyzeMode ||
11206 gameMode == AnalyzeFile) {
11207 nextGameMode = gameMode;
11209 nextGameMode = EndOfGame;
11214 nextGameMode = gameMode;
11217 if (appData.noChessProgram) {
11218 gameMode = nextGameMode;
11220 endingGame = 0; /* [HGM] crash */
11225 /* Put first chess program into idle state */
11226 if (first.pr != NoProc &&
11227 (gameMode == MachinePlaysWhite ||
11228 gameMode == MachinePlaysBlack ||
11229 gameMode == TwoMachinesPlay ||
11230 gameMode == IcsPlayingWhite ||
11231 gameMode == IcsPlayingBlack ||
11232 gameMode == BeginningOfGame)) {
11233 SendToProgram("force\n", &first);
11234 if (first.usePing) {
11236 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11237 SendToProgram(buf, &first);
11240 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11241 /* Kill off first chess program */
11242 if (first.isr != NULL)
11243 RemoveInputSource(first.isr);
11246 if (first.pr != NoProc) {
11248 DoSleep( appData.delayBeforeQuit );
11249 SendToProgram("quit\n", &first);
11250 DoSleep( appData.delayAfterQuit );
11251 DestroyChildProcess(first.pr, first.useSigterm);
11252 first.reload = TRUE;
11256 if (second.reuse) {
11257 /* Put second chess program into idle state */
11258 if (second.pr != NoProc &&
11259 gameMode == TwoMachinesPlay) {
11260 SendToProgram("force\n", &second);
11261 if (second.usePing) {
11263 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11264 SendToProgram(buf, &second);
11267 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11268 /* Kill off second chess program */
11269 if (second.isr != NULL)
11270 RemoveInputSource(second.isr);
11273 if (second.pr != NoProc) {
11274 DoSleep( appData.delayBeforeQuit );
11275 SendToProgram("quit\n", &second);
11276 DoSleep( appData.delayAfterQuit );
11277 DestroyChildProcess(second.pr, second.useSigterm);
11278 second.reload = TRUE;
11280 second.pr = NoProc;
11283 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11284 char resChar = '=';
11288 if (first.twoMachinesColor[0] == 'w') {
11291 second.matchWins++;
11296 if (first.twoMachinesColor[0] == 'b') {
11299 second.matchWins++;
11302 case GameUnfinished:
11308 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11309 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11310 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11311 ReserveGame(nextGame, resChar); // sets nextGame
11312 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11313 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11314 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11316 if (nextGame <= appData.matchGames && !abortMatch) {
11317 gameMode = nextGameMode;
11318 matchGame = nextGame; // this will be overruled in tourney mode!
11319 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11320 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11321 endingGame = 0; /* [HGM] crash */
11324 gameMode = nextGameMode;
11325 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11326 first.tidy, second.tidy,
11327 first.matchWins, second.matchWins,
11328 appData.matchGames - (first.matchWins + second.matchWins));
11329 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11330 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11331 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11332 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11333 first.twoMachinesColor = "black\n";
11334 second.twoMachinesColor = "white\n";
11336 first.twoMachinesColor = "white\n";
11337 second.twoMachinesColor = "black\n";
11341 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11342 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11344 gameMode = nextGameMode;
11346 endingGame = 0; /* [HGM] crash */
11347 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11348 if(matchMode == TRUE) { // match through command line: exit with or without popup
11350 ToNrEvent(forwardMostMove);
11351 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11353 } else DisplayFatalError(buf, 0, 0);
11354 } else { // match through menu; just stop, with or without popup
11355 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11358 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11359 } else DisplayNote(buf);
11361 if(ranking) free(ranking);
11365 /* Assumes program was just initialized (initString sent).
11366 Leaves program in force mode. */
11368 FeedMovesToProgram (ChessProgramState *cps, int upto)
11372 if (appData.debugMode)
11373 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11374 startedFromSetupPosition ? "position and " : "",
11375 backwardMostMove, upto, cps->which);
11376 if(currentlyInitializedVariant != gameInfo.variant) {
11378 // [HGM] variantswitch: make engine aware of new variant
11379 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11380 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11381 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11382 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11383 SendToProgram(buf, cps);
11384 currentlyInitializedVariant = gameInfo.variant;
11386 SendToProgram("force\n", cps);
11387 if (startedFromSetupPosition) {
11388 SendBoard(cps, backwardMostMove);
11389 if (appData.debugMode) {
11390 fprintf(debugFP, "feedMoves\n");
11393 for (i = backwardMostMove; i < upto; i++) {
11394 SendMoveToProgram(i, cps);
11400 ResurrectChessProgram ()
11402 /* The chess program may have exited.
11403 If so, restart it and feed it all the moves made so far. */
11404 static int doInit = 0;
11406 if (appData.noChessProgram) return 1;
11408 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11409 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11410 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11411 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11413 if (first.pr != NoProc) return 1;
11414 StartChessProgram(&first);
11416 InitChessProgram(&first, FALSE);
11417 FeedMovesToProgram(&first, currentMove);
11419 if (!first.sendTime) {
11420 /* can't tell gnuchess what its clock should read,
11421 so we bow to its notion. */
11423 timeRemaining[0][currentMove] = whiteTimeRemaining;
11424 timeRemaining[1][currentMove] = blackTimeRemaining;
11427 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11428 appData.icsEngineAnalyze) && first.analysisSupport) {
11429 SendToProgram("analyze\n", &first);
11430 first.analyzing = TRUE;
11436 * Button procedures
11439 Reset (int redraw, int init)
11443 if (appData.debugMode) {
11444 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11445 redraw, init, gameMode);
11447 CleanupTail(); // [HGM] vari: delete any stored variations
11448 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11449 pausing = pauseExamInvalid = FALSE;
11450 startedFromSetupPosition = blackPlaysFirst = FALSE;
11452 whiteFlag = blackFlag = FALSE;
11453 userOfferedDraw = FALSE;
11454 hintRequested = bookRequested = FALSE;
11455 first.maybeThinking = FALSE;
11456 second.maybeThinking = FALSE;
11457 first.bookSuspend = FALSE; // [HGM] book
11458 second.bookSuspend = FALSE;
11459 thinkOutput[0] = NULLCHAR;
11460 lastHint[0] = NULLCHAR;
11461 ClearGameInfo(&gameInfo);
11462 gameInfo.variant = StringToVariant(appData.variant);
11463 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11464 ics_user_moved = ics_clock_paused = FALSE;
11465 ics_getting_history = H_FALSE;
11467 white_holding[0] = black_holding[0] = NULLCHAR;
11468 ClearProgramStats();
11469 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11473 flipView = appData.flipView;
11474 ClearPremoveHighlights();
11475 gotPremove = FALSE;
11476 alarmSounded = FALSE;
11477 killX = killY = -1; // [HGM] lion
11479 GameEnds(EndOfFile, NULL, GE_PLAYER);
11480 if(appData.serverMovesName != NULL) {
11481 /* [HGM] prepare to make moves file for broadcasting */
11482 clock_t t = clock();
11483 if(serverMoves != NULL) fclose(serverMoves);
11484 serverMoves = fopen(appData.serverMovesName, "r");
11485 if(serverMoves != NULL) {
11486 fclose(serverMoves);
11487 /* delay 15 sec before overwriting, so all clients can see end */
11488 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11490 serverMoves = fopen(appData.serverMovesName, "w");
11494 gameMode = BeginningOfGame;
11496 if(appData.icsActive) gameInfo.variant = VariantNormal;
11497 currentMove = forwardMostMove = backwardMostMove = 0;
11498 MarkTargetSquares(1);
11499 InitPosition(redraw);
11500 for (i = 0; i < MAX_MOVES; i++) {
11501 if (commentList[i] != NULL) {
11502 free(commentList[i]);
11503 commentList[i] = NULL;
11507 timeRemaining[0][0] = whiteTimeRemaining;
11508 timeRemaining[1][0] = blackTimeRemaining;
11510 if (first.pr == NoProc) {
11511 StartChessProgram(&first);
11514 InitChessProgram(&first, startedFromSetupPosition);
11517 DisplayMessage("", "");
11518 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11519 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11520 ClearMap(); // [HGM] exclude: invalidate map
11524 AutoPlayGameLoop ()
11527 if (!AutoPlayOneMove())
11529 if (matchMode || appData.timeDelay == 0)
11531 if (appData.timeDelay < 0)
11533 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11541 ReloadGame(1); // next game
11547 int fromX, fromY, toX, toY;
11549 if (appData.debugMode) {
11550 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11553 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11556 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11557 pvInfoList[currentMove].depth = programStats.depth;
11558 pvInfoList[currentMove].score = programStats.score;
11559 pvInfoList[currentMove].time = 0;
11560 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11561 else { // append analysis of final position as comment
11563 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11564 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11566 programStats.depth = 0;
11569 if (currentMove >= forwardMostMove) {
11570 if(gameMode == AnalyzeFile) {
11571 if(appData.loadGameIndex == -1) {
11572 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11573 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11575 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11578 // gameMode = EndOfGame;
11579 // ModeHighlight();
11581 /* [AS] Clear current move marker at the end of a game */
11582 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11587 toX = moveList[currentMove][2] - AAA;
11588 toY = moveList[currentMove][3] - ONE;
11590 if (moveList[currentMove][1] == '@') {
11591 if (appData.highlightLastMove) {
11592 SetHighlights(-1, -1, toX, toY);
11595 fromX = moveList[currentMove][0] - AAA;
11596 fromY = moveList[currentMove][1] - ONE;
11598 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11600 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11602 if (appData.highlightLastMove) {
11603 SetHighlights(fromX, fromY, toX, toY);
11606 DisplayMove(currentMove);
11607 SendMoveToProgram(currentMove++, &first);
11608 DisplayBothClocks();
11609 DrawPosition(FALSE, boards[currentMove]);
11610 // [HGM] PV info: always display, routine tests if empty
11611 DisplayComment(currentMove - 1, commentList[currentMove]);
11617 LoadGameOneMove (ChessMove readAhead)
11619 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11620 char promoChar = NULLCHAR;
11621 ChessMove moveType;
11622 char move[MSG_SIZ];
11625 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11626 gameMode != AnalyzeMode && gameMode != Training) {
11631 yyboardindex = forwardMostMove;
11632 if (readAhead != EndOfFile) {
11633 moveType = readAhead;
11635 if (gameFileFP == NULL)
11637 moveType = (ChessMove) Myylex();
11641 switch (moveType) {
11643 if (appData.debugMode)
11644 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11647 /* append the comment but don't display it */
11648 AppendComment(currentMove, p, FALSE);
11651 case WhiteCapturesEnPassant:
11652 case BlackCapturesEnPassant:
11653 case WhitePromotion:
11654 case BlackPromotion:
11655 case WhiteNonPromotion:
11656 case BlackNonPromotion:
11659 case WhiteKingSideCastle:
11660 case WhiteQueenSideCastle:
11661 case BlackKingSideCastle:
11662 case BlackQueenSideCastle:
11663 case WhiteKingSideCastleWild:
11664 case WhiteQueenSideCastleWild:
11665 case BlackKingSideCastleWild:
11666 case BlackQueenSideCastleWild:
11668 case WhiteHSideCastleFR:
11669 case WhiteASideCastleFR:
11670 case BlackHSideCastleFR:
11671 case BlackASideCastleFR:
11673 if (appData.debugMode)
11674 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11675 fromX = currentMoveString[0] - AAA;
11676 fromY = currentMoveString[1] - ONE;
11677 toX = currentMoveString[2] - AAA;
11678 toY = currentMoveString[3] - ONE;
11679 promoChar = currentMoveString[4];
11680 if(promoChar == ';') promoChar = NULLCHAR;
11685 if (appData.debugMode)
11686 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11687 fromX = moveType == WhiteDrop ?
11688 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11689 (int) CharToPiece(ToLower(currentMoveString[0]));
11691 toX = currentMoveString[2] - AAA;
11692 toY = currentMoveString[3] - ONE;
11698 case GameUnfinished:
11699 if (appData.debugMode)
11700 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11701 p = strchr(yy_text, '{');
11702 if (p == NULL) p = strchr(yy_text, '(');
11705 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11707 q = strchr(p, *p == '{' ? '}' : ')');
11708 if (q != NULL) *q = NULLCHAR;
11711 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11712 GameEnds(moveType, p, GE_FILE);
11714 if (cmailMsgLoaded) {
11716 flipView = WhiteOnMove(currentMove);
11717 if (moveType == GameUnfinished) flipView = !flipView;
11718 if (appData.debugMode)
11719 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11724 if (appData.debugMode)
11725 fprintf(debugFP, "Parser hit end of file\n");
11726 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11732 if (WhiteOnMove(currentMove)) {
11733 GameEnds(BlackWins, "Black mates", GE_FILE);
11735 GameEnds(WhiteWins, "White mates", GE_FILE);
11739 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11745 case MoveNumberOne:
11746 if (lastLoadGameStart == GNUChessGame) {
11747 /* GNUChessGames have numbers, but they aren't move numbers */
11748 if (appData.debugMode)
11749 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11750 yy_text, (int) moveType);
11751 return LoadGameOneMove(EndOfFile); /* tail recursion */
11753 /* else fall thru */
11758 /* Reached start of next game in file */
11759 if (appData.debugMode)
11760 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11761 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11767 if (WhiteOnMove(currentMove)) {
11768 GameEnds(BlackWins, "Black mates", GE_FILE);
11770 GameEnds(WhiteWins, "White mates", GE_FILE);
11774 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11780 case PositionDiagram: /* should not happen; ignore */
11781 case ElapsedTime: /* ignore */
11782 case NAG: /* ignore */
11783 if (appData.debugMode)
11784 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11785 yy_text, (int) moveType);
11786 return LoadGameOneMove(EndOfFile); /* tail recursion */
11789 if (appData.testLegality) {
11790 if (appData.debugMode)
11791 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11792 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11793 (forwardMostMove / 2) + 1,
11794 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11795 DisplayError(move, 0);
11798 if (appData.debugMode)
11799 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11800 yy_text, currentMoveString);
11801 fromX = currentMoveString[0] - AAA;
11802 fromY = currentMoveString[1] - ONE;
11803 toX = currentMoveString[2] - AAA;
11804 toY = currentMoveString[3] - ONE;
11805 promoChar = currentMoveString[4];
11809 case AmbiguousMove:
11810 if (appData.debugMode)
11811 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11812 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11813 (forwardMostMove / 2) + 1,
11814 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11815 DisplayError(move, 0);
11820 case ImpossibleMove:
11821 if (appData.debugMode)
11822 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11823 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11824 (forwardMostMove / 2) + 1,
11825 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11826 DisplayError(move, 0);
11832 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11833 DrawPosition(FALSE, boards[currentMove]);
11834 DisplayBothClocks();
11835 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11836 DisplayComment(currentMove - 1, commentList[currentMove]);
11838 (void) StopLoadGameTimer();
11840 cmailOldMove = forwardMostMove;
11843 /* currentMoveString is set as a side-effect of yylex */
11845 thinkOutput[0] = NULLCHAR;
11846 MakeMove(fromX, fromY, toX, toY, promoChar);
11847 killX = killY = -1; // [HGM] lion: used up
11848 currentMove = forwardMostMove;
11853 /* Load the nth game from the given file */
11855 LoadGameFromFile (char *filename, int n, char *title, int useList)
11860 if (strcmp(filename, "-") == 0) {
11864 f = fopen(filename, "rb");
11866 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11867 DisplayError(buf, errno);
11871 if (fseek(f, 0, 0) == -1) {
11872 /* f is not seekable; probably a pipe */
11875 if (useList && n == 0) {
11876 int error = GameListBuild(f);
11878 DisplayError(_("Cannot build game list"), error);
11879 } else if (!ListEmpty(&gameList) &&
11880 ((ListGame *) gameList.tailPred)->number > 1) {
11881 GameListPopUp(f, title);
11888 return LoadGame(f, n, title, FALSE);
11893 MakeRegisteredMove ()
11895 int fromX, fromY, toX, toY;
11897 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11898 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11901 if (appData.debugMode)
11902 fprintf(debugFP, "Restoring %s for game %d\n",
11903 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11905 thinkOutput[0] = NULLCHAR;
11906 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11907 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11908 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11909 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11910 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11911 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11912 MakeMove(fromX, fromY, toX, toY, promoChar);
11913 ShowMove(fromX, fromY, toX, toY);
11915 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11922 if (WhiteOnMove(currentMove)) {
11923 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11925 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11930 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11937 if (WhiteOnMove(currentMove)) {
11938 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11940 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11945 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11956 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11958 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11962 if (gameNumber > nCmailGames) {
11963 DisplayError(_("No more games in this message"), 0);
11966 if (f == lastLoadGameFP) {
11967 int offset = gameNumber - lastLoadGameNumber;
11969 cmailMsg[0] = NULLCHAR;
11970 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11971 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11972 nCmailMovesRegistered--;
11974 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11975 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11976 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11979 if (! RegisterMove()) return FALSE;
11983 retVal = LoadGame(f, gameNumber, title, useList);
11985 /* Make move registered during previous look at this game, if any */
11986 MakeRegisteredMove();
11988 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11989 commentList[currentMove]
11990 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11991 DisplayComment(currentMove - 1, commentList[currentMove]);
11997 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11999 ReloadGame (int offset)
12001 int gameNumber = lastLoadGameNumber + offset;
12002 if (lastLoadGameFP == NULL) {
12003 DisplayError(_("No game has been loaded yet"), 0);
12006 if (gameNumber <= 0) {
12007 DisplayError(_("Can't back up any further"), 0);
12010 if (cmailMsgLoaded) {
12011 return CmailLoadGame(lastLoadGameFP, gameNumber,
12012 lastLoadGameTitle, lastLoadGameUseList);
12014 return LoadGame(lastLoadGameFP, gameNumber,
12015 lastLoadGameTitle, lastLoadGameUseList);
12019 int keys[EmptySquare+1];
12022 PositionMatches (Board b1, Board b2)
12025 switch(appData.searchMode) {
12026 case 1: return CompareWithRights(b1, b2);
12028 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12029 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12033 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12034 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12035 sum += keys[b1[r][f]] - keys[b2[r][f]];
12039 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12040 sum += keys[b1[r][f]] - keys[b2[r][f]];
12052 int pieceList[256], quickBoard[256];
12053 ChessSquare pieceType[256] = { EmptySquare };
12054 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12055 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12056 int soughtTotal, turn;
12057 Boolean epOK, flipSearch;
12060 unsigned char piece, to;
12063 #define DSIZE (250000)
12065 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12066 Move *moveDatabase = initialSpace;
12067 unsigned int movePtr, dataSize = DSIZE;
12070 MakePieceList (Board board, int *counts)
12072 int r, f, n=Q_PROMO, total=0;
12073 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12074 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12075 int sq = f + (r<<4);
12076 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12077 quickBoard[sq] = ++n;
12079 pieceType[n] = board[r][f];
12080 counts[board[r][f]]++;
12081 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12082 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12086 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12091 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12093 int sq = fromX + (fromY<<4);
12094 int piece = quickBoard[sq];
12095 quickBoard[sq] = 0;
12096 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12097 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12098 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12099 moveDatabase[movePtr++].piece = Q_WCASTL;
12100 quickBoard[sq] = piece;
12101 piece = quickBoard[from]; quickBoard[from] = 0;
12102 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12104 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12105 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12106 moveDatabase[movePtr++].piece = Q_BCASTL;
12107 quickBoard[sq] = piece;
12108 piece = quickBoard[from]; quickBoard[from] = 0;
12109 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12111 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12112 quickBoard[(fromY<<4)+toX] = 0;
12113 moveDatabase[movePtr].piece = Q_EP;
12114 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12115 moveDatabase[movePtr].to = sq;
12117 if(promoPiece != pieceType[piece]) {
12118 moveDatabase[movePtr++].piece = Q_PROMO;
12119 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12121 moveDatabase[movePtr].piece = piece;
12122 quickBoard[sq] = piece;
12127 PackGame (Board board)
12129 Move *newSpace = NULL;
12130 moveDatabase[movePtr].piece = 0; // terminate previous game
12131 if(movePtr > dataSize) {
12132 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12133 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12134 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12137 Move *p = moveDatabase, *q = newSpace;
12138 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12139 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12140 moveDatabase = newSpace;
12141 } else { // calloc failed, we must be out of memory. Too bad...
12142 dataSize = 0; // prevent calloc events for all subsequent games
12143 return 0; // and signal this one isn't cached
12147 MakePieceList(board, counts);
12152 QuickCompare (Board board, int *minCounts, int *maxCounts)
12153 { // compare according to search mode
12155 switch(appData.searchMode)
12157 case 1: // exact position match
12158 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12159 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12160 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12163 case 2: // can have extra material on empty squares
12164 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12165 if(board[r][f] == EmptySquare) continue;
12166 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12169 case 3: // material with exact Pawn structure
12170 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12171 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12172 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12173 } // fall through to material comparison
12174 case 4: // exact material
12175 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12177 case 6: // material range with given imbalance
12178 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12179 // fall through to range comparison
12180 case 5: // material range
12181 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12187 QuickScan (Board board, Move *move)
12188 { // reconstruct game,and compare all positions in it
12189 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12191 int piece = move->piece;
12192 int to = move->to, from = pieceList[piece];
12193 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12194 if(!piece) return -1;
12195 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12196 piece = (++move)->piece;
12197 from = pieceList[piece];
12198 counts[pieceType[piece]]--;
12199 pieceType[piece] = (ChessSquare) move->to;
12200 counts[move->to]++;
12201 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12202 counts[pieceType[quickBoard[to]]]--;
12203 quickBoard[to] = 0; total--;
12206 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12207 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12208 from = pieceList[piece]; // so this must be King
12209 quickBoard[from] = 0;
12210 pieceList[piece] = to;
12211 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12212 quickBoard[from] = 0; // rook
12213 quickBoard[to] = piece;
12214 to = move->to; piece = move->piece;
12218 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12219 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12220 quickBoard[from] = 0;
12222 quickBoard[to] = piece;
12223 pieceList[piece] = to;
12225 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12226 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12227 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12228 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12230 static int lastCounts[EmptySquare+1];
12232 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12233 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12234 } else stretch = 0;
12235 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12244 flipSearch = FALSE;
12245 CopyBoard(soughtBoard, boards[currentMove]);
12246 soughtTotal = MakePieceList(soughtBoard, maxSought);
12247 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12248 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12249 CopyBoard(reverseBoard, boards[currentMove]);
12250 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12251 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12252 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12253 reverseBoard[r][f] = piece;
12255 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12256 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12257 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12258 || (boards[currentMove][CASTLING][2] == NoRights ||
12259 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12260 && (boards[currentMove][CASTLING][5] == NoRights ||
12261 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12264 CopyBoard(flipBoard, soughtBoard);
12265 CopyBoard(rotateBoard, reverseBoard);
12266 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12267 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12268 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12271 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12272 if(appData.searchMode >= 5) {
12273 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12274 MakePieceList(soughtBoard, minSought);
12275 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12277 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12278 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12281 GameInfo dummyInfo;
12282 static int creatingBook;
12285 GameContainsPosition (FILE *f, ListGame *lg)
12287 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12288 int fromX, fromY, toX, toY;
12290 static int initDone=FALSE;
12292 // weed out games based on numerical tag comparison
12293 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12294 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12295 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12296 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12298 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12301 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12302 else CopyBoard(boards[scratch], initialPosition); // default start position
12305 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12306 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12309 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12310 fseek(f, lg->offset, 0);
12313 yyboardindex = scratch;
12314 quickFlag = plyNr+1;
12319 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12325 if(plyNr) return -1; // after we have seen moves, this is for new game
12328 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12329 case ImpossibleMove:
12330 case WhiteWins: // game ends here with these four
12333 case GameUnfinished:
12337 if(appData.testLegality) return -1;
12338 case WhiteCapturesEnPassant:
12339 case BlackCapturesEnPassant:
12340 case WhitePromotion:
12341 case BlackPromotion:
12342 case WhiteNonPromotion:
12343 case BlackNonPromotion:
12346 case WhiteKingSideCastle:
12347 case WhiteQueenSideCastle:
12348 case BlackKingSideCastle:
12349 case BlackQueenSideCastle:
12350 case WhiteKingSideCastleWild:
12351 case WhiteQueenSideCastleWild:
12352 case BlackKingSideCastleWild:
12353 case BlackQueenSideCastleWild:
12354 case WhiteHSideCastleFR:
12355 case WhiteASideCastleFR:
12356 case BlackHSideCastleFR:
12357 case BlackASideCastleFR:
12358 fromX = currentMoveString[0] - AAA;
12359 fromY = currentMoveString[1] - ONE;
12360 toX = currentMoveString[2] - AAA;
12361 toY = currentMoveString[3] - ONE;
12362 promoChar = currentMoveString[4];
12366 fromX = next == WhiteDrop ?
12367 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12368 (int) CharToPiece(ToLower(currentMoveString[0]));
12370 toX = currentMoveString[2] - AAA;
12371 toY = currentMoveString[3] - ONE;
12375 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12377 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12378 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12379 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12380 if(appData.findMirror) {
12381 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12382 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12387 /* Load the nth game from open file f */
12389 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12393 int gn = gameNumber;
12394 ListGame *lg = NULL;
12395 int numPGNTags = 0;
12397 GameMode oldGameMode;
12398 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12400 if (appData.debugMode)
12401 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12403 if (gameMode == Training )
12404 SetTrainingModeOff();
12406 oldGameMode = gameMode;
12407 if (gameMode != BeginningOfGame) {
12408 Reset(FALSE, TRUE);
12410 killX = killY = -1; // [HGM] lion: in case we did not Reset
12413 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12414 fclose(lastLoadGameFP);
12418 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12421 fseek(f, lg->offset, 0);
12422 GameListHighlight(gameNumber);
12423 pos = lg->position;
12427 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12428 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12430 DisplayError(_("Game number out of range"), 0);
12435 if (fseek(f, 0, 0) == -1) {
12436 if (f == lastLoadGameFP ?
12437 gameNumber == lastLoadGameNumber + 1 :
12441 DisplayError(_("Can't seek on game file"), 0);
12446 lastLoadGameFP = f;
12447 lastLoadGameNumber = gameNumber;
12448 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12449 lastLoadGameUseList = useList;
12453 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12454 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12455 lg->gameInfo.black);
12457 } else if (*title != NULLCHAR) {
12458 if (gameNumber > 1) {
12459 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12462 DisplayTitle(title);
12466 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12467 gameMode = PlayFromGameFile;
12471 currentMove = forwardMostMove = backwardMostMove = 0;
12472 CopyBoard(boards[0], initialPosition);
12476 * Skip the first gn-1 games in the file.
12477 * Also skip over anything that precedes an identifiable
12478 * start of game marker, to avoid being confused by
12479 * garbage at the start of the file. Currently
12480 * recognized start of game markers are the move number "1",
12481 * the pattern "gnuchess .* game", the pattern
12482 * "^[#;%] [^ ]* game file", and a PGN tag block.
12483 * A game that starts with one of the latter two patterns
12484 * will also have a move number 1, possibly
12485 * following a position diagram.
12486 * 5-4-02: Let's try being more lenient and allowing a game to
12487 * start with an unnumbered move. Does that break anything?
12489 cm = lastLoadGameStart = EndOfFile;
12491 yyboardindex = forwardMostMove;
12492 cm = (ChessMove) Myylex();
12495 if (cmailMsgLoaded) {
12496 nCmailGames = CMAIL_MAX_GAMES - gn;
12499 DisplayError(_("Game not found in file"), 0);
12506 lastLoadGameStart = cm;
12509 case MoveNumberOne:
12510 switch (lastLoadGameStart) {
12515 case MoveNumberOne:
12517 gn--; /* count this game */
12518 lastLoadGameStart = cm;
12527 switch (lastLoadGameStart) {
12530 case MoveNumberOne:
12532 gn--; /* count this game */
12533 lastLoadGameStart = cm;
12536 lastLoadGameStart = cm; /* game counted already */
12544 yyboardindex = forwardMostMove;
12545 cm = (ChessMove) Myylex();
12546 } while (cm == PGNTag || cm == Comment);
12553 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12554 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12555 != CMAIL_OLD_RESULT) {
12557 cmailResult[ CMAIL_MAX_GAMES
12558 - gn - 1] = CMAIL_OLD_RESULT;
12565 /* Only a NormalMove can be at the start of a game
12566 * without a position diagram. */
12567 if (lastLoadGameStart == EndOfFile ) {
12569 lastLoadGameStart = MoveNumberOne;
12578 if (appData.debugMode)
12579 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12581 if (cm == XBoardGame) {
12582 /* Skip any header junk before position diagram and/or move 1 */
12584 yyboardindex = forwardMostMove;
12585 cm = (ChessMove) Myylex();
12587 if (cm == EndOfFile ||
12588 cm == GNUChessGame || cm == XBoardGame) {
12589 /* Empty game; pretend end-of-file and handle later */
12594 if (cm == MoveNumberOne || cm == PositionDiagram ||
12595 cm == PGNTag || cm == Comment)
12598 } else if (cm == GNUChessGame) {
12599 if (gameInfo.event != NULL) {
12600 free(gameInfo.event);
12602 gameInfo.event = StrSave(yy_text);
12605 startedFromSetupPosition = FALSE;
12606 while (cm == PGNTag) {
12607 if (appData.debugMode)
12608 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12609 err = ParsePGNTag(yy_text, &gameInfo);
12610 if (!err) numPGNTags++;
12612 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12613 if(gameInfo.variant != oldVariant) {
12614 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12615 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12616 InitPosition(TRUE);
12617 oldVariant = gameInfo.variant;
12618 if (appData.debugMode)
12619 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12623 if (gameInfo.fen != NULL) {
12624 Board initial_position;
12625 startedFromSetupPosition = TRUE;
12626 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12628 DisplayError(_("Bad FEN position in file"), 0);
12631 CopyBoard(boards[0], initial_position);
12632 if (blackPlaysFirst) {
12633 currentMove = forwardMostMove = backwardMostMove = 1;
12634 CopyBoard(boards[1], initial_position);
12635 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12636 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12637 timeRemaining[0][1] = whiteTimeRemaining;
12638 timeRemaining[1][1] = blackTimeRemaining;
12639 if (commentList[0] != NULL) {
12640 commentList[1] = commentList[0];
12641 commentList[0] = NULL;
12644 currentMove = forwardMostMove = backwardMostMove = 0;
12646 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12648 initialRulePlies = FENrulePlies;
12649 for( i=0; i< nrCastlingRights; i++ )
12650 initialRights[i] = initial_position[CASTLING][i];
12652 yyboardindex = forwardMostMove;
12653 free(gameInfo.fen);
12654 gameInfo.fen = NULL;
12657 yyboardindex = forwardMostMove;
12658 cm = (ChessMove) Myylex();
12660 /* Handle comments interspersed among the tags */
12661 while (cm == Comment) {
12663 if (appData.debugMode)
12664 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12666 AppendComment(currentMove, p, FALSE);
12667 yyboardindex = forwardMostMove;
12668 cm = (ChessMove) Myylex();
12672 /* don't rely on existence of Event tag since if game was
12673 * pasted from clipboard the Event tag may not exist
12675 if (numPGNTags > 0){
12677 if (gameInfo.variant == VariantNormal) {
12678 VariantClass v = StringToVariant(gameInfo.event);
12679 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12680 if(v < VariantShogi) gameInfo.variant = v;
12683 if( appData.autoDisplayTags ) {
12684 tags = PGNTags(&gameInfo);
12685 TagsPopUp(tags, CmailMsg());
12690 /* Make something up, but don't display it now */
12695 if (cm == PositionDiagram) {
12698 Board initial_position;
12700 if (appData.debugMode)
12701 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12703 if (!startedFromSetupPosition) {
12705 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12706 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12717 initial_position[i][j++] = CharToPiece(*p);
12720 while (*p == ' ' || *p == '\t' ||
12721 *p == '\n' || *p == '\r') p++;
12723 if (strncmp(p, "black", strlen("black"))==0)
12724 blackPlaysFirst = TRUE;
12726 blackPlaysFirst = FALSE;
12727 startedFromSetupPosition = TRUE;
12729 CopyBoard(boards[0], initial_position);
12730 if (blackPlaysFirst) {
12731 currentMove = forwardMostMove = backwardMostMove = 1;
12732 CopyBoard(boards[1], initial_position);
12733 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12734 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12735 timeRemaining[0][1] = whiteTimeRemaining;
12736 timeRemaining[1][1] = blackTimeRemaining;
12737 if (commentList[0] != NULL) {
12738 commentList[1] = commentList[0];
12739 commentList[0] = NULL;
12742 currentMove = forwardMostMove = backwardMostMove = 0;
12745 yyboardindex = forwardMostMove;
12746 cm = (ChessMove) Myylex();
12749 if(!creatingBook) {
12750 if (first.pr == NoProc) {
12751 StartChessProgram(&first);
12753 InitChessProgram(&first, FALSE);
12754 SendToProgram("force\n", &first);
12755 if (startedFromSetupPosition) {
12756 SendBoard(&first, forwardMostMove);
12757 if (appData.debugMode) {
12758 fprintf(debugFP, "Load Game\n");
12760 DisplayBothClocks();
12764 /* [HGM] server: flag to write setup moves in broadcast file as one */
12765 loadFlag = appData.suppressLoadMoves;
12767 while (cm == Comment) {
12769 if (appData.debugMode)
12770 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12772 AppendComment(currentMove, p, FALSE);
12773 yyboardindex = forwardMostMove;
12774 cm = (ChessMove) Myylex();
12777 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12778 cm == WhiteWins || cm == BlackWins ||
12779 cm == GameIsDrawn || cm == GameUnfinished) {
12780 DisplayMessage("", _("No moves in game"));
12781 if (cmailMsgLoaded) {
12782 if (appData.debugMode)
12783 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12787 DrawPosition(FALSE, boards[currentMove]);
12788 DisplayBothClocks();
12789 gameMode = EditGame;
12796 // [HGM] PV info: routine tests if comment empty
12797 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12798 DisplayComment(currentMove - 1, commentList[currentMove]);
12800 if (!matchMode && appData.timeDelay != 0)
12801 DrawPosition(FALSE, boards[currentMove]);
12803 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12804 programStats.ok_to_send = 1;
12807 /* if the first token after the PGN tags is a move
12808 * and not move number 1, retrieve it from the parser
12810 if (cm != MoveNumberOne)
12811 LoadGameOneMove(cm);
12813 /* load the remaining moves from the file */
12814 while (LoadGameOneMove(EndOfFile)) {
12815 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12816 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12819 /* rewind to the start of the game */
12820 currentMove = backwardMostMove;
12822 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12824 if (oldGameMode == AnalyzeFile) {
12825 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12826 AnalyzeFileEvent();
12828 if (oldGameMode == AnalyzeMode) {
12829 AnalyzeFileEvent();
12832 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12833 long int w, b; // [HGM] adjourn: restore saved clock times
12834 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12835 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12836 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12837 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12841 if(creatingBook) return TRUE;
12842 if (!matchMode && pos > 0) {
12843 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12845 if (matchMode || appData.timeDelay == 0) {
12847 } else if (appData.timeDelay > 0) {
12848 AutoPlayGameLoop();
12851 if (appData.debugMode)
12852 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12854 loadFlag = 0; /* [HGM] true game starts */
12858 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12860 ReloadPosition (int offset)
12862 int positionNumber = lastLoadPositionNumber + offset;
12863 if (lastLoadPositionFP == NULL) {
12864 DisplayError(_("No position has been loaded yet"), 0);
12867 if (positionNumber <= 0) {
12868 DisplayError(_("Can't back up any further"), 0);
12871 return LoadPosition(lastLoadPositionFP, positionNumber,
12872 lastLoadPositionTitle);
12875 /* Load the nth position from the given file */
12877 LoadPositionFromFile (char *filename, int n, char *title)
12882 if (strcmp(filename, "-") == 0) {
12883 return LoadPosition(stdin, n, "stdin");
12885 f = fopen(filename, "rb");
12887 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12888 DisplayError(buf, errno);
12891 return LoadPosition(f, n, title);
12896 /* Load the nth position from the given open file, and close it */
12898 LoadPosition (FILE *f, int positionNumber, char *title)
12900 char *p, line[MSG_SIZ];
12901 Board initial_position;
12902 int i, j, fenMode, pn;
12904 if (gameMode == Training )
12905 SetTrainingModeOff();
12907 if (gameMode != BeginningOfGame) {
12908 Reset(FALSE, TRUE);
12910 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12911 fclose(lastLoadPositionFP);
12913 if (positionNumber == 0) positionNumber = 1;
12914 lastLoadPositionFP = f;
12915 lastLoadPositionNumber = positionNumber;
12916 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12917 if (first.pr == NoProc && !appData.noChessProgram) {
12918 StartChessProgram(&first);
12919 InitChessProgram(&first, FALSE);
12921 pn = positionNumber;
12922 if (positionNumber < 0) {
12923 /* Negative position number means to seek to that byte offset */
12924 if (fseek(f, -positionNumber, 0) == -1) {
12925 DisplayError(_("Can't seek on position file"), 0);
12930 if (fseek(f, 0, 0) == -1) {
12931 if (f == lastLoadPositionFP ?
12932 positionNumber == lastLoadPositionNumber + 1 :
12933 positionNumber == 1) {
12936 DisplayError(_("Can't seek on position file"), 0);
12941 /* See if this file is FEN or old-style xboard */
12942 if (fgets(line, MSG_SIZ, f) == NULL) {
12943 DisplayError(_("Position not found in file"), 0);
12946 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12947 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12950 if (fenMode || line[0] == '#') pn--;
12952 /* skip positions before number pn */
12953 if (fgets(line, MSG_SIZ, f) == NULL) {
12955 DisplayError(_("Position not found in file"), 0);
12958 if (fenMode || line[0] == '#') pn--;
12963 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
12964 DisplayError(_("Bad FEN position in file"), 0);
12968 (void) fgets(line, MSG_SIZ, f);
12969 (void) fgets(line, MSG_SIZ, f);
12971 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12972 (void) fgets(line, MSG_SIZ, f);
12973 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12976 initial_position[i][j++] = CharToPiece(*p);
12980 blackPlaysFirst = FALSE;
12982 (void) fgets(line, MSG_SIZ, f);
12983 if (strncmp(line, "black", strlen("black"))==0)
12984 blackPlaysFirst = TRUE;
12987 startedFromSetupPosition = TRUE;
12989 CopyBoard(boards[0], initial_position);
12990 if (blackPlaysFirst) {
12991 currentMove = forwardMostMove = backwardMostMove = 1;
12992 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12993 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12994 CopyBoard(boards[1], initial_position);
12995 DisplayMessage("", _("Black to play"));
12997 currentMove = forwardMostMove = backwardMostMove = 0;
12998 DisplayMessage("", _("White to play"));
13000 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13001 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13002 SendToProgram("force\n", &first);
13003 SendBoard(&first, forwardMostMove);
13005 if (appData.debugMode) {
13007 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13008 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13009 fprintf(debugFP, "Load Position\n");
13012 if (positionNumber > 1) {
13013 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13014 DisplayTitle(line);
13016 DisplayTitle(title);
13018 gameMode = EditGame;
13021 timeRemaining[0][1] = whiteTimeRemaining;
13022 timeRemaining[1][1] = blackTimeRemaining;
13023 DrawPosition(FALSE, boards[currentMove]);
13030 CopyPlayerNameIntoFileName (char **dest, char *src)
13032 while (*src != NULLCHAR && *src != ',') {
13037 *(*dest)++ = *src++;
13043 DefaultFileName (char *ext)
13045 static char def[MSG_SIZ];
13048 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13050 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13052 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13054 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13061 /* Save the current game to the given file */
13063 SaveGameToFile (char *filename, int append)
13067 int result, i, t,tot=0;
13069 if (strcmp(filename, "-") == 0) {
13070 return SaveGame(stdout, 0, NULL);
13072 for(i=0; i<10; i++) { // upto 10 tries
13073 f = fopen(filename, append ? "a" : "w");
13074 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13075 if(f || errno != 13) break;
13076 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13080 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13081 DisplayError(buf, errno);
13084 safeStrCpy(buf, lastMsg, MSG_SIZ);
13085 DisplayMessage(_("Waiting for access to save file"), "");
13086 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13087 DisplayMessage(_("Saving game"), "");
13088 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13089 result = SaveGame(f, 0, NULL);
13090 DisplayMessage(buf, "");
13097 SavePart (char *str)
13099 static char buf[MSG_SIZ];
13102 p = strchr(str, ' ');
13103 if (p == NULL) return str;
13104 strncpy(buf, str, p - str);
13105 buf[p - str] = NULLCHAR;
13109 #define PGN_MAX_LINE 75
13111 #define PGN_SIDE_WHITE 0
13112 #define PGN_SIDE_BLACK 1
13115 FindFirstMoveOutOfBook (int side)
13119 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13120 int index = backwardMostMove;
13121 int has_book_hit = 0;
13123 if( (index % 2) != side ) {
13127 while( index < forwardMostMove ) {
13128 /* Check to see if engine is in book */
13129 int depth = pvInfoList[index].depth;
13130 int score = pvInfoList[index].score;
13136 else if( score == 0 && depth == 63 ) {
13137 in_book = 1; /* Zappa */
13139 else if( score == 2 && depth == 99 ) {
13140 in_book = 1; /* Abrok */
13143 has_book_hit += in_book;
13159 GetOutOfBookInfo (char * buf)
13163 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13165 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13166 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13170 if( oob[0] >= 0 || oob[1] >= 0 ) {
13171 for( i=0; i<2; i++ ) {
13175 if( i > 0 && oob[0] >= 0 ) {
13176 strcat( buf, " " );
13179 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13180 sprintf( buf+strlen(buf), "%s%.2f",
13181 pvInfoList[idx].score >= 0 ? "+" : "",
13182 pvInfoList[idx].score / 100.0 );
13188 /* Save game in PGN style and close the file */
13190 SaveGamePGN (FILE *f)
13192 int i, offset, linelen, newblock;
13195 int movelen, numlen, blank;
13196 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13198 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13200 PrintPGNTags(f, &gameInfo);
13202 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13204 if (backwardMostMove > 0 || startedFromSetupPosition) {
13205 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13206 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13207 fprintf(f, "\n{--------------\n");
13208 PrintPosition(f, backwardMostMove);
13209 fprintf(f, "--------------}\n");
13213 /* [AS] Out of book annotation */
13214 if( appData.saveOutOfBookInfo ) {
13217 GetOutOfBookInfo( buf );
13219 if( buf[0] != '\0' ) {
13220 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13227 i = backwardMostMove;
13231 while (i < forwardMostMove) {
13232 /* Print comments preceding this move */
13233 if (commentList[i] != NULL) {
13234 if (linelen > 0) fprintf(f, "\n");
13235 fprintf(f, "%s", commentList[i]);
13240 /* Format move number */
13242 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13245 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13247 numtext[0] = NULLCHAR;
13249 numlen = strlen(numtext);
13252 /* Print move number */
13253 blank = linelen > 0 && numlen > 0;
13254 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13263 fprintf(f, "%s", numtext);
13267 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13268 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13271 blank = linelen > 0 && movelen > 0;
13272 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13281 fprintf(f, "%s", move_buffer);
13282 linelen += movelen;
13284 /* [AS] Add PV info if present */
13285 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13286 /* [HGM] add time */
13287 char buf[MSG_SIZ]; int seconds;
13289 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13295 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13298 seconds = (seconds + 4)/10; // round to full seconds
13300 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13302 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13305 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13306 pvInfoList[i].score >= 0 ? "+" : "",
13307 pvInfoList[i].score / 100.0,
13308 pvInfoList[i].depth,
13311 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13313 /* Print score/depth */
13314 blank = linelen > 0 && movelen > 0;
13315 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13324 fprintf(f, "%s", move_buffer);
13325 linelen += movelen;
13331 /* Start a new line */
13332 if (linelen > 0) fprintf(f, "\n");
13334 /* Print comments after last move */
13335 if (commentList[i] != NULL) {
13336 fprintf(f, "%s\n", commentList[i]);
13340 if (gameInfo.resultDetails != NULL &&
13341 gameInfo.resultDetails[0] != NULLCHAR) {
13342 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13343 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13344 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13345 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13346 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13348 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13352 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13356 /* Save game in old style and close the file */
13358 SaveGameOldStyle (FILE *f)
13363 tm = time((time_t *) NULL);
13365 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13368 if (backwardMostMove > 0 || startedFromSetupPosition) {
13369 fprintf(f, "\n[--------------\n");
13370 PrintPosition(f, backwardMostMove);
13371 fprintf(f, "--------------]\n");
13376 i = backwardMostMove;
13377 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13379 while (i < forwardMostMove) {
13380 if (commentList[i] != NULL) {
13381 fprintf(f, "[%s]\n", commentList[i]);
13384 if ((i % 2) == 1) {
13385 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13388 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13390 if (commentList[i] != NULL) {
13394 if (i >= forwardMostMove) {
13398 fprintf(f, "%s\n", parseList[i]);
13403 if (commentList[i] != NULL) {
13404 fprintf(f, "[%s]\n", commentList[i]);
13407 /* This isn't really the old style, but it's close enough */
13408 if (gameInfo.resultDetails != NULL &&
13409 gameInfo.resultDetails[0] != NULLCHAR) {
13410 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13411 gameInfo.resultDetails);
13413 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13420 /* Save the current game to open file f and close the file */
13422 SaveGame (FILE *f, int dummy, char *dummy2)
13424 if (gameMode == EditPosition) EditPositionDone(TRUE);
13425 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13426 if (appData.oldSaveStyle)
13427 return SaveGameOldStyle(f);
13429 return SaveGamePGN(f);
13432 /* Save the current position to the given file */
13434 SavePositionToFile (char *filename)
13439 if (strcmp(filename, "-") == 0) {
13440 return SavePosition(stdout, 0, NULL);
13442 f = fopen(filename, "a");
13444 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13445 DisplayError(buf, errno);
13448 safeStrCpy(buf, lastMsg, MSG_SIZ);
13449 DisplayMessage(_("Waiting for access to save file"), "");
13450 flock(fileno(f), LOCK_EX); // [HGM] lock
13451 DisplayMessage(_("Saving position"), "");
13452 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13453 SavePosition(f, 0, NULL);
13454 DisplayMessage(buf, "");
13460 /* Save the current position to the given open file and close the file */
13462 SavePosition (FILE *f, int dummy, char *dummy2)
13467 if (gameMode == EditPosition) EditPositionDone(TRUE);
13468 if (appData.oldSaveStyle) {
13469 tm = time((time_t *) NULL);
13471 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13473 fprintf(f, "[--------------\n");
13474 PrintPosition(f, currentMove);
13475 fprintf(f, "--------------]\n");
13477 fen = PositionToFEN(currentMove, NULL, 1);
13478 fprintf(f, "%s\n", fen);
13486 ReloadCmailMsgEvent (int unregister)
13489 static char *inFilename = NULL;
13490 static char *outFilename;
13492 struct stat inbuf, outbuf;
13495 /* Any registered moves are unregistered if unregister is set, */
13496 /* i.e. invoked by the signal handler */
13498 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13499 cmailMoveRegistered[i] = FALSE;
13500 if (cmailCommentList[i] != NULL) {
13501 free(cmailCommentList[i]);
13502 cmailCommentList[i] = NULL;
13505 nCmailMovesRegistered = 0;
13508 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13509 cmailResult[i] = CMAIL_NOT_RESULT;
13513 if (inFilename == NULL) {
13514 /* Because the filenames are static they only get malloced once */
13515 /* and they never get freed */
13516 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13517 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13519 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13520 sprintf(outFilename, "%s.out", appData.cmailGameName);
13523 status = stat(outFilename, &outbuf);
13525 cmailMailedMove = FALSE;
13527 status = stat(inFilename, &inbuf);
13528 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13531 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13532 counts the games, notes how each one terminated, etc.
13534 It would be nice to remove this kludge and instead gather all
13535 the information while building the game list. (And to keep it
13536 in the game list nodes instead of having a bunch of fixed-size
13537 parallel arrays.) Note this will require getting each game's
13538 termination from the PGN tags, as the game list builder does
13539 not process the game moves. --mann
13541 cmailMsgLoaded = TRUE;
13542 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13544 /* Load first game in the file or popup game menu */
13545 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13547 #endif /* !WIN32 */
13555 char string[MSG_SIZ];
13557 if ( cmailMailedMove
13558 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13559 return TRUE; /* Allow free viewing */
13562 /* Unregister move to ensure that we don't leave RegisterMove */
13563 /* with the move registered when the conditions for registering no */
13565 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13566 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13567 nCmailMovesRegistered --;
13569 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13571 free(cmailCommentList[lastLoadGameNumber - 1]);
13572 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13576 if (cmailOldMove == -1) {
13577 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13581 if (currentMove > cmailOldMove + 1) {
13582 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13586 if (currentMove < cmailOldMove) {
13587 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13591 if (forwardMostMove > currentMove) {
13592 /* Silently truncate extra moves */
13596 if ( (currentMove == cmailOldMove + 1)
13597 || ( (currentMove == cmailOldMove)
13598 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13599 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13600 if (gameInfo.result != GameUnfinished) {
13601 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13604 if (commentList[currentMove] != NULL) {
13605 cmailCommentList[lastLoadGameNumber - 1]
13606 = StrSave(commentList[currentMove]);
13608 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13610 if (appData.debugMode)
13611 fprintf(debugFP, "Saving %s for game %d\n",
13612 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13614 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13616 f = fopen(string, "w");
13617 if (appData.oldSaveStyle) {
13618 SaveGameOldStyle(f); /* also closes the file */
13620 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13621 f = fopen(string, "w");
13622 SavePosition(f, 0, NULL); /* also closes the file */
13624 fprintf(f, "{--------------\n");
13625 PrintPosition(f, currentMove);
13626 fprintf(f, "--------------}\n\n");
13628 SaveGame(f, 0, NULL); /* also closes the file*/
13631 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13632 nCmailMovesRegistered ++;
13633 } else if (nCmailGames == 1) {
13634 DisplayError(_("You have not made a move yet"), 0);
13645 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13646 FILE *commandOutput;
13647 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13648 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13654 if (! cmailMsgLoaded) {
13655 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13659 if (nCmailGames == nCmailResults) {
13660 DisplayError(_("No unfinished games"), 0);
13664 #if CMAIL_PROHIBIT_REMAIL
13665 if (cmailMailedMove) {
13666 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);
13667 DisplayError(msg, 0);
13672 if (! (cmailMailedMove || RegisterMove())) return;
13674 if ( cmailMailedMove
13675 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13676 snprintf(string, MSG_SIZ, partCommandString,
13677 appData.debugMode ? " -v" : "", appData.cmailGameName);
13678 commandOutput = popen(string, "r");
13680 if (commandOutput == NULL) {
13681 DisplayError(_("Failed to invoke cmail"), 0);
13683 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13684 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13686 if (nBuffers > 1) {
13687 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13688 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13689 nBytes = MSG_SIZ - 1;
13691 (void) memcpy(msg, buffer, nBytes);
13693 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13695 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13696 cmailMailedMove = TRUE; /* Prevent >1 moves */
13699 for (i = 0; i < nCmailGames; i ++) {
13700 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13705 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13707 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13709 appData.cmailGameName,
13711 LoadGameFromFile(buffer, 1, buffer, FALSE);
13712 cmailMsgLoaded = FALSE;
13716 DisplayInformation(msg);
13717 pclose(commandOutput);
13720 if ((*cmailMsg) != '\0') {
13721 DisplayInformation(cmailMsg);
13726 #endif /* !WIN32 */
13735 int prependComma = 0;
13737 char string[MSG_SIZ]; /* Space for game-list */
13740 if (!cmailMsgLoaded) return "";
13742 if (cmailMailedMove) {
13743 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13745 /* Create a list of games left */
13746 snprintf(string, MSG_SIZ, "[");
13747 for (i = 0; i < nCmailGames; i ++) {
13748 if (! ( cmailMoveRegistered[i]
13749 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13750 if (prependComma) {
13751 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13753 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13757 strcat(string, number);
13760 strcat(string, "]");
13762 if (nCmailMovesRegistered + nCmailResults == 0) {
13763 switch (nCmailGames) {
13765 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13769 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13773 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13778 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13780 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13785 if (nCmailResults == nCmailGames) {
13786 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13788 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13793 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13805 if (gameMode == Training)
13806 SetTrainingModeOff();
13809 cmailMsgLoaded = FALSE;
13810 if (appData.icsActive) {
13811 SendToICS(ics_prefix);
13812 SendToICS("refresh\n");
13817 ExitEvent (int status)
13821 /* Give up on clean exit */
13825 /* Keep trying for clean exit */
13829 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13831 if (telnetISR != NULL) {
13832 RemoveInputSource(telnetISR);
13834 if (icsPR != NoProc) {
13835 DestroyChildProcess(icsPR, TRUE);
13838 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13839 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13841 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13842 /* make sure this other one finishes before killing it! */
13843 if(endingGame) { int count = 0;
13844 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13845 while(endingGame && count++ < 10) DoSleep(1);
13846 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13849 /* Kill off chess programs */
13850 if (first.pr != NoProc) {
13853 DoSleep( appData.delayBeforeQuit );
13854 SendToProgram("quit\n", &first);
13855 DoSleep( appData.delayAfterQuit );
13856 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13858 if (second.pr != NoProc) {
13859 DoSleep( appData.delayBeforeQuit );
13860 SendToProgram("quit\n", &second);
13861 DoSleep( appData.delayAfterQuit );
13862 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13864 if (first.isr != NULL) {
13865 RemoveInputSource(first.isr);
13867 if (second.isr != NULL) {
13868 RemoveInputSource(second.isr);
13871 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13872 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13874 ShutDownFrontEnd();
13879 PauseEngine (ChessProgramState *cps)
13881 SendToProgram("pause\n", cps);
13886 UnPauseEngine (ChessProgramState *cps)
13888 SendToProgram("resume\n", cps);
13895 if (appData.debugMode)
13896 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13900 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13902 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13903 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13904 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13906 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13907 HandleMachineMove(stashedInputMove, stalledEngine);
13908 stalledEngine = NULL;
13911 if (gameMode == MachinePlaysWhite ||
13912 gameMode == TwoMachinesPlay ||
13913 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13914 if(first.pause) UnPauseEngine(&first);
13915 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13916 if(second.pause) UnPauseEngine(&second);
13917 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13920 DisplayBothClocks();
13922 if (gameMode == PlayFromGameFile) {
13923 if (appData.timeDelay >= 0)
13924 AutoPlayGameLoop();
13925 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13926 Reset(FALSE, TRUE);
13927 SendToICS(ics_prefix);
13928 SendToICS("refresh\n");
13929 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13930 ForwardInner(forwardMostMove);
13932 pauseExamInvalid = FALSE;
13934 switch (gameMode) {
13938 pauseExamForwardMostMove = forwardMostMove;
13939 pauseExamInvalid = FALSE;
13942 case IcsPlayingWhite:
13943 case IcsPlayingBlack:
13947 case PlayFromGameFile:
13948 (void) StopLoadGameTimer();
13952 case BeginningOfGame:
13953 if (appData.icsActive) return;
13954 /* else fall through */
13955 case MachinePlaysWhite:
13956 case MachinePlaysBlack:
13957 case TwoMachinesPlay:
13958 if (forwardMostMove == 0)
13959 return; /* don't pause if no one has moved */
13960 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13961 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13962 if(onMove->pause) { // thinking engine can be paused
13963 PauseEngine(onMove); // do it
13964 if(onMove->other->pause) // pondering opponent can always be paused immediately
13965 PauseEngine(onMove->other);
13967 SendToProgram("easy\n", onMove->other);
13969 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13970 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13972 PauseEngine(&first);
13974 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13975 } else { // human on move, pause pondering by either method
13977 PauseEngine(&first);
13978 else if(appData.ponderNextMove)
13979 SendToProgram("easy\n", &first);
13982 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13992 EditCommentEvent ()
13994 char title[MSG_SIZ];
13996 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13997 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13999 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14000 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14001 parseList[currentMove - 1]);
14004 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14011 char *tags = PGNTags(&gameInfo);
14013 EditTagsPopUp(tags, NULL);
14020 if(second.analyzing) {
14021 SendToProgram("exit\n", &second);
14022 second.analyzing = FALSE;
14024 if (second.pr == NoProc) StartChessProgram(&second);
14025 InitChessProgram(&second, FALSE);
14026 FeedMovesToProgram(&second, currentMove);
14028 SendToProgram("analyze\n", &second);
14029 second.analyzing = TRUE;
14033 /* Toggle ShowThinking */
14035 ToggleShowThinking()
14037 appData.showThinking = !appData.showThinking;
14038 ShowThinkingEvent();
14042 AnalyzeModeEvent ()
14046 if (!first.analysisSupport) {
14047 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14048 DisplayError(buf, 0);
14051 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14052 if (appData.icsActive) {
14053 if (gameMode != IcsObserving) {
14054 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14055 DisplayError(buf, 0);
14057 if (appData.icsEngineAnalyze) {
14058 if (appData.debugMode)
14059 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14065 /* if enable, user wants to disable icsEngineAnalyze */
14066 if (appData.icsEngineAnalyze) {
14071 appData.icsEngineAnalyze = TRUE;
14072 if (appData.debugMode)
14073 fprintf(debugFP, "ICS engine analyze starting... \n");
14076 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14077 if (appData.noChessProgram || gameMode == AnalyzeMode)
14080 if (gameMode != AnalyzeFile) {
14081 if (!appData.icsEngineAnalyze) {
14083 if (gameMode != EditGame) return 0;
14085 if (!appData.showThinking) ToggleShowThinking();
14086 ResurrectChessProgram();
14087 SendToProgram("analyze\n", &first);
14088 first.analyzing = TRUE;
14089 /*first.maybeThinking = TRUE;*/
14090 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14091 EngineOutputPopUp();
14093 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
14098 StartAnalysisClock();
14099 GetTimeMark(&lastNodeCountTime);
14105 AnalyzeFileEvent ()
14107 if (appData.noChessProgram || gameMode == AnalyzeFile)
14110 if (!first.analysisSupport) {
14112 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14113 DisplayError(buf, 0);
14117 if (gameMode != AnalyzeMode) {
14118 keepInfo = 1; // mere annotating should not alter PGN tags
14121 if (gameMode != EditGame) return;
14122 if (!appData.showThinking) ToggleShowThinking();
14123 ResurrectChessProgram();
14124 SendToProgram("analyze\n", &first);
14125 first.analyzing = TRUE;
14126 /*first.maybeThinking = TRUE;*/
14127 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14128 EngineOutputPopUp();
14130 gameMode = AnalyzeFile;
14134 StartAnalysisClock();
14135 GetTimeMark(&lastNodeCountTime);
14137 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14138 AnalysisPeriodicEvent(1);
14142 MachineWhiteEvent ()
14145 char *bookHit = NULL;
14147 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14151 if (gameMode == PlayFromGameFile ||
14152 gameMode == TwoMachinesPlay ||
14153 gameMode == Training ||
14154 gameMode == AnalyzeMode ||
14155 gameMode == EndOfGame)
14158 if (gameMode == EditPosition)
14159 EditPositionDone(TRUE);
14161 if (!WhiteOnMove(currentMove)) {
14162 DisplayError(_("It is not White's turn"), 0);
14166 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14169 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14170 gameMode == AnalyzeFile)
14173 ResurrectChessProgram(); /* in case it isn't running */
14174 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14175 gameMode = MachinePlaysWhite;
14178 gameMode = MachinePlaysWhite;
14182 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14184 if (first.sendName) {
14185 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14186 SendToProgram(buf, &first);
14188 if (first.sendTime) {
14189 if (first.useColors) {
14190 SendToProgram("black\n", &first); /*gnu kludge*/
14192 SendTimeRemaining(&first, TRUE);
14194 if (first.useColors) {
14195 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14197 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14198 SetMachineThinkingEnables();
14199 first.maybeThinking = TRUE;
14203 if (appData.autoFlipView && !flipView) {
14204 flipView = !flipView;
14205 DrawPosition(FALSE, NULL);
14206 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14209 if(bookHit) { // [HGM] book: simulate book reply
14210 static char bookMove[MSG_SIZ]; // a bit generous?
14212 programStats.nodes = programStats.depth = programStats.time =
14213 programStats.score = programStats.got_only_move = 0;
14214 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14216 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14217 strcat(bookMove, bookHit);
14218 HandleMachineMove(bookMove, &first);
14223 MachineBlackEvent ()
14226 char *bookHit = NULL;
14228 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14232 if (gameMode == PlayFromGameFile ||
14233 gameMode == TwoMachinesPlay ||
14234 gameMode == Training ||
14235 gameMode == AnalyzeMode ||
14236 gameMode == EndOfGame)
14239 if (gameMode == EditPosition)
14240 EditPositionDone(TRUE);
14242 if (WhiteOnMove(currentMove)) {
14243 DisplayError(_("It is not Black's turn"), 0);
14247 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14250 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14251 gameMode == AnalyzeFile)
14254 ResurrectChessProgram(); /* in case it isn't running */
14255 gameMode = MachinePlaysBlack;
14259 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14261 if (first.sendName) {
14262 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14263 SendToProgram(buf, &first);
14265 if (first.sendTime) {
14266 if (first.useColors) {
14267 SendToProgram("white\n", &first); /*gnu kludge*/
14269 SendTimeRemaining(&first, FALSE);
14271 if (first.useColors) {
14272 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14274 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14275 SetMachineThinkingEnables();
14276 first.maybeThinking = TRUE;
14279 if (appData.autoFlipView && flipView) {
14280 flipView = !flipView;
14281 DrawPosition(FALSE, NULL);
14282 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14284 if(bookHit) { // [HGM] book: simulate book reply
14285 static char bookMove[MSG_SIZ]; // a bit generous?
14287 programStats.nodes = programStats.depth = programStats.time =
14288 programStats.score = programStats.got_only_move = 0;
14289 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14291 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14292 strcat(bookMove, bookHit);
14293 HandleMachineMove(bookMove, &first);
14299 DisplayTwoMachinesTitle ()
14302 if (appData.matchGames > 0) {
14303 if(appData.tourneyFile[0]) {
14304 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14305 gameInfo.white, _("vs."), gameInfo.black,
14306 nextGame+1, appData.matchGames+1,
14307 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14309 if (first.twoMachinesColor[0] == 'w') {
14310 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14311 gameInfo.white, _("vs."), gameInfo.black,
14312 first.matchWins, second.matchWins,
14313 matchGame - 1 - (first.matchWins + second.matchWins));
14315 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14316 gameInfo.white, _("vs."), gameInfo.black,
14317 second.matchWins, first.matchWins,
14318 matchGame - 1 - (first.matchWins + second.matchWins));
14321 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14327 SettingsMenuIfReady ()
14329 if (second.lastPing != second.lastPong) {
14330 DisplayMessage("", _("Waiting for second chess program"));
14331 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14335 DisplayMessage("", "");
14336 SettingsPopUp(&second);
14340 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14343 if (cps->pr == NoProc) {
14344 StartChessProgram(cps);
14345 if (cps->protocolVersion == 1) {
14347 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14349 /* kludge: allow timeout for initial "feature" command */
14350 if(retry != TwoMachinesEventIfReady) FreezeUI();
14351 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14352 DisplayMessage("", buf);
14353 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14361 TwoMachinesEvent P((void))
14365 ChessProgramState *onmove;
14366 char *bookHit = NULL;
14367 static int stalling = 0;
14371 if (appData.noChessProgram) return;
14373 switch (gameMode) {
14374 case TwoMachinesPlay:
14376 case MachinePlaysWhite:
14377 case MachinePlaysBlack:
14378 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14379 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14383 case BeginningOfGame:
14384 case PlayFromGameFile:
14387 if (gameMode != EditGame) return;
14390 EditPositionDone(TRUE);
14401 // forwardMostMove = currentMove;
14402 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14403 startingEngine = TRUE;
14405 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14407 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14408 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14409 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14412 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14414 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14415 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14416 startingEngine = FALSE;
14417 DisplayError("second engine does not play this", 0);
14422 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14423 SendToProgram("force\n", &second);
14425 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14428 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14429 if(appData.matchPause>10000 || appData.matchPause<10)
14430 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14431 wait = SubtractTimeMarks(&now, &pauseStart);
14432 if(wait < appData.matchPause) {
14433 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14436 // we are now committed to starting the game
14438 DisplayMessage("", "");
14439 if (startedFromSetupPosition) {
14440 SendBoard(&second, backwardMostMove);
14441 if (appData.debugMode) {
14442 fprintf(debugFP, "Two Machines\n");
14445 for (i = backwardMostMove; i < forwardMostMove; i++) {
14446 SendMoveToProgram(i, &second);
14449 gameMode = TwoMachinesPlay;
14450 pausing = startingEngine = FALSE;
14451 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14453 DisplayTwoMachinesTitle();
14455 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14460 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14461 SendToProgram(first.computerString, &first);
14462 if (first.sendName) {
14463 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14464 SendToProgram(buf, &first);
14466 SendToProgram(second.computerString, &second);
14467 if (second.sendName) {
14468 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14469 SendToProgram(buf, &second);
14473 if (!first.sendTime || !second.sendTime) {
14474 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14475 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14477 if (onmove->sendTime) {
14478 if (onmove->useColors) {
14479 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14481 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14483 if (onmove->useColors) {
14484 SendToProgram(onmove->twoMachinesColor, onmove);
14486 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14487 // SendToProgram("go\n", onmove);
14488 onmove->maybeThinking = TRUE;
14489 SetMachineThinkingEnables();
14493 if(bookHit) { // [HGM] book: simulate book reply
14494 static char bookMove[MSG_SIZ]; // a bit generous?
14496 programStats.nodes = programStats.depth = programStats.time =
14497 programStats.score = programStats.got_only_move = 0;
14498 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14500 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14501 strcat(bookMove, bookHit);
14502 savedMessage = bookMove; // args for deferred call
14503 savedState = onmove;
14504 ScheduleDelayedEvent(DeferredBookMove, 1);
14511 if (gameMode == Training) {
14512 SetTrainingModeOff();
14513 gameMode = PlayFromGameFile;
14514 DisplayMessage("", _("Training mode off"));
14516 gameMode = Training;
14517 animateTraining = appData.animate;
14519 /* make sure we are not already at the end of the game */
14520 if (currentMove < forwardMostMove) {
14521 SetTrainingModeOn();
14522 DisplayMessage("", _("Training mode on"));
14524 gameMode = PlayFromGameFile;
14525 DisplayError(_("Already at end of game"), 0);
14534 if (!appData.icsActive) return;
14535 switch (gameMode) {
14536 case IcsPlayingWhite:
14537 case IcsPlayingBlack:
14540 case BeginningOfGame:
14548 EditPositionDone(TRUE);
14561 gameMode = IcsIdle;
14571 switch (gameMode) {
14573 SetTrainingModeOff();
14575 case MachinePlaysWhite:
14576 case MachinePlaysBlack:
14577 case BeginningOfGame:
14578 SendToProgram("force\n", &first);
14579 SetUserThinkingEnables();
14581 case PlayFromGameFile:
14582 (void) StopLoadGameTimer();
14583 if (gameFileFP != NULL) {
14588 EditPositionDone(TRUE);
14593 SendToProgram("force\n", &first);
14595 case TwoMachinesPlay:
14596 GameEnds(EndOfFile, NULL, GE_PLAYER);
14597 ResurrectChessProgram();
14598 SetUserThinkingEnables();
14601 ResurrectChessProgram();
14603 case IcsPlayingBlack:
14604 case IcsPlayingWhite:
14605 DisplayError(_("Warning: You are still playing a game"), 0);
14608 DisplayError(_("Warning: You are still observing a game"), 0);
14611 DisplayError(_("Warning: You are still examining a game"), 0);
14622 first.offeredDraw = second.offeredDraw = 0;
14624 if (gameMode == PlayFromGameFile) {
14625 whiteTimeRemaining = timeRemaining[0][currentMove];
14626 blackTimeRemaining = timeRemaining[1][currentMove];
14630 if (gameMode == MachinePlaysWhite ||
14631 gameMode == MachinePlaysBlack ||
14632 gameMode == TwoMachinesPlay ||
14633 gameMode == EndOfGame) {
14634 i = forwardMostMove;
14635 while (i > currentMove) {
14636 SendToProgram("undo\n", &first);
14639 if(!adjustedClock) {
14640 whiteTimeRemaining = timeRemaining[0][currentMove];
14641 blackTimeRemaining = timeRemaining[1][currentMove];
14642 DisplayBothClocks();
14644 if (whiteFlag || blackFlag) {
14645 whiteFlag = blackFlag = 0;
14650 gameMode = EditGame;
14657 EditPositionEvent ()
14659 if (gameMode == EditPosition) {
14665 if (gameMode != EditGame) return;
14667 gameMode = EditPosition;
14670 if (currentMove > 0)
14671 CopyBoard(boards[0], boards[currentMove]);
14673 blackPlaysFirst = !WhiteOnMove(currentMove);
14675 currentMove = forwardMostMove = backwardMostMove = 0;
14676 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14678 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14684 /* [DM] icsEngineAnalyze - possible call from other functions */
14685 if (appData.icsEngineAnalyze) {
14686 appData.icsEngineAnalyze = FALSE;
14688 DisplayMessage("",_("Close ICS engine analyze..."));
14690 if (first.analysisSupport && first.analyzing) {
14691 SendToBoth("exit\n");
14692 first.analyzing = second.analyzing = FALSE;
14694 thinkOutput[0] = NULLCHAR;
14698 EditPositionDone (Boolean fakeRights)
14700 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14702 startedFromSetupPosition = TRUE;
14703 InitChessProgram(&first, FALSE);
14704 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14705 boards[0][EP_STATUS] = EP_NONE;
14706 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14707 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14708 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14709 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14710 } else boards[0][CASTLING][2] = NoRights;
14711 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14712 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14713 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14714 } else boards[0][CASTLING][5] = NoRights;
14715 if(gameInfo.variant == VariantSChess) {
14717 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14718 boards[0][VIRGIN][i] = 0;
14719 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14720 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14724 SendToProgram("force\n", &first);
14725 if (blackPlaysFirst) {
14726 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14727 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14728 currentMove = forwardMostMove = backwardMostMove = 1;
14729 CopyBoard(boards[1], boards[0]);
14731 currentMove = forwardMostMove = backwardMostMove = 0;
14733 SendBoard(&first, forwardMostMove);
14734 if (appData.debugMode) {
14735 fprintf(debugFP, "EditPosDone\n");
14738 DisplayMessage("", "");
14739 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14740 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14741 gameMode = EditGame;
14743 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14744 ClearHighlights(); /* [AS] */
14747 /* Pause for `ms' milliseconds */
14748 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14750 TimeDelay (long ms)
14757 } while (SubtractTimeMarks(&m2, &m1) < ms);
14760 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14762 SendMultiLineToICS (char *buf)
14764 char temp[MSG_SIZ+1], *p;
14771 strncpy(temp, buf, len);
14776 if (*p == '\n' || *p == '\r')
14781 strcat(temp, "\n");
14783 SendToPlayer(temp, strlen(temp));
14787 SetWhiteToPlayEvent ()
14789 if (gameMode == EditPosition) {
14790 blackPlaysFirst = FALSE;
14791 DisplayBothClocks(); /* works because currentMove is 0 */
14792 } else if (gameMode == IcsExamining) {
14793 SendToICS(ics_prefix);
14794 SendToICS("tomove white\n");
14799 SetBlackToPlayEvent ()
14801 if (gameMode == EditPosition) {
14802 blackPlaysFirst = TRUE;
14803 currentMove = 1; /* kludge */
14804 DisplayBothClocks();
14806 } else if (gameMode == IcsExamining) {
14807 SendToICS(ics_prefix);
14808 SendToICS("tomove black\n");
14813 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14816 ChessSquare piece = boards[0][y][x];
14817 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14818 static int lastVariant;
14820 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14822 switch (selection) {
14824 CopyBoard(currentBoard, boards[0]);
14825 CopyBoard(menuBoard, initialPosition);
14826 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14827 SendToICS(ics_prefix);
14828 SendToICS("bsetup clear\n");
14829 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14830 SendToICS(ics_prefix);
14831 SendToICS("clearboard\n");
14834 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14835 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14836 for (y = 0; y < BOARD_HEIGHT; y++) {
14837 if (gameMode == IcsExamining) {
14838 if (boards[currentMove][y][x] != EmptySquare) {
14839 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14844 if(boards[0][y][x] != p) nonEmpty++;
14845 boards[0][y][x] = p;
14848 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14850 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14851 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14852 ChessSquare p = menuBoard[0][x];
14853 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
14854 p = menuBoard[BOARD_HEIGHT-1][x];
14855 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
14857 DisplayMessage("Clicking clock again restores position", "");
14858 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
14859 if(!nonEmpty) { // asked to clear an empty board
14860 CopyBoard(boards[0], menuBoard);
14862 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
14863 CopyBoard(boards[0], initialPosition);
14865 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
14866 && !CompareBoards(nullBoard, erasedBoard)) {
14867 CopyBoard(boards[0], erasedBoard);
14869 CopyBoard(erasedBoard, currentBoard);
14873 if (gameMode == EditPosition) {
14874 DrawPosition(FALSE, boards[0]);
14879 SetWhiteToPlayEvent();
14883 SetBlackToPlayEvent();
14887 if (gameMode == IcsExamining) {
14888 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14889 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14892 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14893 if(x == BOARD_LEFT-2) {
14894 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14895 boards[0][y][1] = 0;
14897 if(x == BOARD_RGHT+1) {
14898 if(y >= gameInfo.holdingsSize) break;
14899 boards[0][y][BOARD_WIDTH-2] = 0;
14902 boards[0][y][x] = EmptySquare;
14903 DrawPosition(FALSE, boards[0]);
14908 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14909 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14910 selection = (ChessSquare) (PROMOTED piece);
14911 } else if(piece == EmptySquare) selection = WhiteSilver;
14912 else selection = (ChessSquare)((int)piece - 1);
14916 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14917 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14918 selection = (ChessSquare) (DEMOTED piece);
14919 } else if(piece == EmptySquare) selection = BlackSilver;
14920 else selection = (ChessSquare)((int)piece + 1);
14925 if(gameInfo.variant == VariantShatranj ||
14926 gameInfo.variant == VariantXiangqi ||
14927 gameInfo.variant == VariantCourier ||
14928 gameInfo.variant == VariantASEAN ||
14929 gameInfo.variant == VariantMakruk )
14930 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14935 if(gameInfo.variant == VariantXiangqi)
14936 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14937 if(gameInfo.variant == VariantKnightmate)
14938 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14941 if (gameMode == IcsExamining) {
14942 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14943 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14944 PieceToChar(selection), AAA + x, ONE + y);
14947 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14949 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14950 n = PieceToNumber(selection - BlackPawn);
14951 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14952 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14953 boards[0][BOARD_HEIGHT-1-n][1]++;
14955 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14956 n = PieceToNumber(selection);
14957 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14958 boards[0][n][BOARD_WIDTH-1] = selection;
14959 boards[0][n][BOARD_WIDTH-2]++;
14962 boards[0][y][x] = selection;
14963 DrawPosition(TRUE, boards[0]);
14965 fromX = fromY = -1;
14973 DropMenuEvent (ChessSquare selection, int x, int y)
14975 ChessMove moveType;
14977 switch (gameMode) {
14978 case IcsPlayingWhite:
14979 case MachinePlaysBlack:
14980 if (!WhiteOnMove(currentMove)) {
14981 DisplayMoveError(_("It is Black's turn"));
14984 moveType = WhiteDrop;
14986 case IcsPlayingBlack:
14987 case MachinePlaysWhite:
14988 if (WhiteOnMove(currentMove)) {
14989 DisplayMoveError(_("It is White's turn"));
14992 moveType = BlackDrop;
14995 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15001 if (moveType == BlackDrop && selection < BlackPawn) {
15002 selection = (ChessSquare) ((int) selection
15003 + (int) BlackPawn - (int) WhitePawn);
15005 if (boards[currentMove][y][x] != EmptySquare) {
15006 DisplayMoveError(_("That square is occupied"));
15010 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15016 /* Accept a pending offer of any kind from opponent */
15018 if (appData.icsActive) {
15019 SendToICS(ics_prefix);
15020 SendToICS("accept\n");
15021 } else if (cmailMsgLoaded) {
15022 if (currentMove == cmailOldMove &&
15023 commentList[cmailOldMove] != NULL &&
15024 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15025 "Black offers a draw" : "White offers a draw")) {
15027 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15028 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15030 DisplayError(_("There is no pending offer on this move"), 0);
15031 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15034 /* Not used for offers from chess program */
15041 /* Decline a pending offer of any kind from opponent */
15043 if (appData.icsActive) {
15044 SendToICS(ics_prefix);
15045 SendToICS("decline\n");
15046 } else if (cmailMsgLoaded) {
15047 if (currentMove == cmailOldMove &&
15048 commentList[cmailOldMove] != NULL &&
15049 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15050 "Black offers a draw" : "White offers a draw")) {
15052 AppendComment(cmailOldMove, "Draw declined", TRUE);
15053 DisplayComment(cmailOldMove - 1, "Draw declined");
15056 DisplayError(_("There is no pending offer on this move"), 0);
15059 /* Not used for offers from chess program */
15066 /* Issue ICS rematch command */
15067 if (appData.icsActive) {
15068 SendToICS(ics_prefix);
15069 SendToICS("rematch\n");
15076 /* Call your opponent's flag (claim a win on time) */
15077 if (appData.icsActive) {
15078 SendToICS(ics_prefix);
15079 SendToICS("flag\n");
15081 switch (gameMode) {
15084 case MachinePlaysWhite:
15087 GameEnds(GameIsDrawn, "Both players ran out of time",
15090 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15092 DisplayError(_("Your opponent is not out of time"), 0);
15095 case MachinePlaysBlack:
15098 GameEnds(GameIsDrawn, "Both players ran out of time",
15101 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15103 DisplayError(_("Your opponent is not out of time"), 0);
15111 ClockClick (int which)
15112 { // [HGM] code moved to back-end from winboard.c
15113 if(which) { // black clock
15114 if (gameMode == EditPosition || gameMode == IcsExamining) {
15115 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15116 SetBlackToPlayEvent();
15117 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15118 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15119 } else if (shiftKey) {
15120 AdjustClock(which, -1);
15121 } else if (gameMode == IcsPlayingWhite ||
15122 gameMode == MachinePlaysBlack) {
15125 } else { // white clock
15126 if (gameMode == EditPosition || gameMode == IcsExamining) {
15127 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15128 SetWhiteToPlayEvent();
15129 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15130 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15131 } else if (shiftKey) {
15132 AdjustClock(which, -1);
15133 } else if (gameMode == IcsPlayingBlack ||
15134 gameMode == MachinePlaysWhite) {
15143 /* Offer draw or accept pending draw offer from opponent */
15145 if (appData.icsActive) {
15146 /* Note: tournament rules require draw offers to be
15147 made after you make your move but before you punch
15148 your clock. Currently ICS doesn't let you do that;
15149 instead, you immediately punch your clock after making
15150 a move, but you can offer a draw at any time. */
15152 SendToICS(ics_prefix);
15153 SendToICS("draw\n");
15154 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15155 } else if (cmailMsgLoaded) {
15156 if (currentMove == cmailOldMove &&
15157 commentList[cmailOldMove] != NULL &&
15158 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15159 "Black offers a draw" : "White offers a draw")) {
15160 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15161 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15162 } else if (currentMove == cmailOldMove + 1) {
15163 char *offer = WhiteOnMove(cmailOldMove) ?
15164 "White offers a draw" : "Black offers a draw";
15165 AppendComment(currentMove, offer, TRUE);
15166 DisplayComment(currentMove - 1, offer);
15167 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15169 DisplayError(_("You must make your move before offering a draw"), 0);
15170 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15172 } else if (first.offeredDraw) {
15173 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15175 if (first.sendDrawOffers) {
15176 SendToProgram("draw\n", &first);
15177 userOfferedDraw = TRUE;
15185 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15187 if (appData.icsActive) {
15188 SendToICS(ics_prefix);
15189 SendToICS("adjourn\n");
15191 /* Currently GNU Chess doesn't offer or accept Adjourns */
15199 /* Offer Abort or accept pending Abort offer from opponent */
15201 if (appData.icsActive) {
15202 SendToICS(ics_prefix);
15203 SendToICS("abort\n");
15205 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15212 /* Resign. You can do this even if it's not your turn. */
15214 if (appData.icsActive) {
15215 SendToICS(ics_prefix);
15216 SendToICS("resign\n");
15218 switch (gameMode) {
15219 case MachinePlaysWhite:
15220 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15222 case MachinePlaysBlack:
15223 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15226 if (cmailMsgLoaded) {
15228 if (WhiteOnMove(cmailOldMove)) {
15229 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15231 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15233 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15244 StopObservingEvent ()
15246 /* Stop observing current games */
15247 SendToICS(ics_prefix);
15248 SendToICS("unobserve\n");
15252 StopExaminingEvent ()
15254 /* Stop observing current game */
15255 SendToICS(ics_prefix);
15256 SendToICS("unexamine\n");
15260 ForwardInner (int target)
15262 int limit; int oldSeekGraphUp = seekGraphUp;
15264 if (appData.debugMode)
15265 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15266 target, currentMove, forwardMostMove);
15268 if (gameMode == EditPosition)
15271 seekGraphUp = FALSE;
15272 MarkTargetSquares(1);
15274 if (gameMode == PlayFromGameFile && !pausing)
15277 if (gameMode == IcsExamining && pausing)
15278 limit = pauseExamForwardMostMove;
15280 limit = forwardMostMove;
15282 if (target > limit) target = limit;
15284 if (target > 0 && moveList[target - 1][0]) {
15285 int fromX, fromY, toX, toY;
15286 toX = moveList[target - 1][2] - AAA;
15287 toY = moveList[target - 1][3] - ONE;
15288 if (moveList[target - 1][1] == '@') {
15289 if (appData.highlightLastMove) {
15290 SetHighlights(-1, -1, toX, toY);
15293 fromX = moveList[target - 1][0] - AAA;
15294 fromY = moveList[target - 1][1] - ONE;
15295 if (target == currentMove + 1) {
15296 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15298 if (appData.highlightLastMove) {
15299 SetHighlights(fromX, fromY, toX, toY);
15303 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15304 gameMode == Training || gameMode == PlayFromGameFile ||
15305 gameMode == AnalyzeFile) {
15306 while (currentMove < target) {
15307 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15308 SendMoveToProgram(currentMove++, &first);
15311 currentMove = target;
15314 if (gameMode == EditGame || gameMode == EndOfGame) {
15315 whiteTimeRemaining = timeRemaining[0][currentMove];
15316 blackTimeRemaining = timeRemaining[1][currentMove];
15318 DisplayBothClocks();
15319 DisplayMove(currentMove - 1);
15320 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15321 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15322 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15323 DisplayComment(currentMove - 1, commentList[currentMove]);
15325 ClearMap(); // [HGM] exclude: invalidate map
15332 if (gameMode == IcsExamining && !pausing) {
15333 SendToICS(ics_prefix);
15334 SendToICS("forward\n");
15336 ForwardInner(currentMove + 1);
15343 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15344 /* to optimze, we temporarily turn off analysis mode while we feed
15345 * the remaining moves to the engine. Otherwise we get analysis output
15348 if (first.analysisSupport) {
15349 SendToProgram("exit\nforce\n", &first);
15350 first.analyzing = FALSE;
15354 if (gameMode == IcsExamining && !pausing) {
15355 SendToICS(ics_prefix);
15356 SendToICS("forward 999999\n");
15358 ForwardInner(forwardMostMove);
15361 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15362 /* we have fed all the moves, so reactivate analysis mode */
15363 SendToProgram("analyze\n", &first);
15364 first.analyzing = TRUE;
15365 /*first.maybeThinking = TRUE;*/
15366 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15371 BackwardInner (int target)
15373 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15375 if (appData.debugMode)
15376 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15377 target, currentMove, forwardMostMove);
15379 if (gameMode == EditPosition) return;
15380 seekGraphUp = FALSE;
15381 MarkTargetSquares(1);
15382 if (currentMove <= backwardMostMove) {
15384 DrawPosition(full_redraw, boards[currentMove]);
15387 if (gameMode == PlayFromGameFile && !pausing)
15390 if (moveList[target][0]) {
15391 int fromX, fromY, toX, toY;
15392 toX = moveList[target][2] - AAA;
15393 toY = moveList[target][3] - ONE;
15394 if (moveList[target][1] == '@') {
15395 if (appData.highlightLastMove) {
15396 SetHighlights(-1, -1, toX, toY);
15399 fromX = moveList[target][0] - AAA;
15400 fromY = moveList[target][1] - ONE;
15401 if (target == currentMove - 1) {
15402 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15404 if (appData.highlightLastMove) {
15405 SetHighlights(fromX, fromY, toX, toY);
15409 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15410 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15411 while (currentMove > target) {
15412 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15413 // null move cannot be undone. Reload program with move history before it.
15415 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15416 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15418 SendBoard(&first, i);
15419 if(second.analyzing) SendBoard(&second, i);
15420 for(currentMove=i; currentMove<target; currentMove++) {
15421 SendMoveToProgram(currentMove, &first);
15422 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15426 SendToBoth("undo\n");
15430 currentMove = target;
15433 if (gameMode == EditGame || gameMode == EndOfGame) {
15434 whiteTimeRemaining = timeRemaining[0][currentMove];
15435 blackTimeRemaining = timeRemaining[1][currentMove];
15437 DisplayBothClocks();
15438 DisplayMove(currentMove - 1);
15439 DrawPosition(full_redraw, boards[currentMove]);
15440 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15441 // [HGM] PV info: routine tests if comment empty
15442 DisplayComment(currentMove - 1, commentList[currentMove]);
15443 ClearMap(); // [HGM] exclude: invalidate map
15449 if (gameMode == IcsExamining && !pausing) {
15450 SendToICS(ics_prefix);
15451 SendToICS("backward\n");
15453 BackwardInner(currentMove - 1);
15460 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15461 /* to optimize, we temporarily turn off analysis mode while we undo
15462 * all the moves. Otherwise we get analysis output after each undo.
15464 if (first.analysisSupport) {
15465 SendToProgram("exit\nforce\n", &first);
15466 first.analyzing = FALSE;
15470 if (gameMode == IcsExamining && !pausing) {
15471 SendToICS(ics_prefix);
15472 SendToICS("backward 999999\n");
15474 BackwardInner(backwardMostMove);
15477 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15478 /* we have fed all the moves, so reactivate analysis mode */
15479 SendToProgram("analyze\n", &first);
15480 first.analyzing = TRUE;
15481 /*first.maybeThinking = TRUE;*/
15482 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15489 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15490 if (to >= forwardMostMove) to = forwardMostMove;
15491 if (to <= backwardMostMove) to = backwardMostMove;
15492 if (to < currentMove) {
15500 RevertEvent (Boolean annotate)
15502 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15505 if (gameMode != IcsExamining) {
15506 DisplayError(_("You are not examining a game"), 0);
15510 DisplayError(_("You can't revert while pausing"), 0);
15513 SendToICS(ics_prefix);
15514 SendToICS("revert\n");
15518 RetractMoveEvent ()
15520 switch (gameMode) {
15521 case MachinePlaysWhite:
15522 case MachinePlaysBlack:
15523 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15524 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15527 if (forwardMostMove < 2) return;
15528 currentMove = forwardMostMove = forwardMostMove - 2;
15529 whiteTimeRemaining = timeRemaining[0][currentMove];
15530 blackTimeRemaining = timeRemaining[1][currentMove];
15531 DisplayBothClocks();
15532 DisplayMove(currentMove - 1);
15533 ClearHighlights();/*!! could figure this out*/
15534 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15535 SendToProgram("remove\n", &first);
15536 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15539 case BeginningOfGame:
15543 case IcsPlayingWhite:
15544 case IcsPlayingBlack:
15545 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15546 SendToICS(ics_prefix);
15547 SendToICS("takeback 2\n");
15549 SendToICS(ics_prefix);
15550 SendToICS("takeback 1\n");
15559 ChessProgramState *cps;
15561 switch (gameMode) {
15562 case MachinePlaysWhite:
15563 if (!WhiteOnMove(forwardMostMove)) {
15564 DisplayError(_("It is your turn"), 0);
15569 case MachinePlaysBlack:
15570 if (WhiteOnMove(forwardMostMove)) {
15571 DisplayError(_("It is your turn"), 0);
15576 case TwoMachinesPlay:
15577 if (WhiteOnMove(forwardMostMove) ==
15578 (first.twoMachinesColor[0] == 'w')) {
15584 case BeginningOfGame:
15588 SendToProgram("?\n", cps);
15592 TruncateGameEvent ()
15595 if (gameMode != EditGame) return;
15602 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15603 if (forwardMostMove > currentMove) {
15604 if (gameInfo.resultDetails != NULL) {
15605 free(gameInfo.resultDetails);
15606 gameInfo.resultDetails = NULL;
15607 gameInfo.result = GameUnfinished;
15609 forwardMostMove = currentMove;
15610 HistorySet(parseList, backwardMostMove, forwardMostMove,
15618 if (appData.noChessProgram) return;
15619 switch (gameMode) {
15620 case MachinePlaysWhite:
15621 if (WhiteOnMove(forwardMostMove)) {
15622 DisplayError(_("Wait until your turn."), 0);
15626 case BeginningOfGame:
15627 case MachinePlaysBlack:
15628 if (!WhiteOnMove(forwardMostMove)) {
15629 DisplayError(_("Wait until your turn."), 0);
15634 DisplayError(_("No hint available"), 0);
15637 SendToProgram("hint\n", &first);
15638 hintRequested = TRUE;
15644 ListGame * lg = (ListGame *) gameList.head;
15647 static int secondTime = FALSE;
15649 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15650 DisplayError(_("Game list not loaded or empty"), 0);
15654 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15657 DisplayNote(_("Book file exists! Try again for overwrite."));
15661 creatingBook = TRUE;
15662 secondTime = FALSE;
15664 /* Get list size */
15665 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15666 LoadGame(f, nItem, "", TRUE);
15667 AddGameToBook(TRUE);
15668 lg = (ListGame *) lg->node.succ;
15671 creatingBook = FALSE;
15678 if (appData.noChessProgram) return;
15679 switch (gameMode) {
15680 case MachinePlaysWhite:
15681 if (WhiteOnMove(forwardMostMove)) {
15682 DisplayError(_("Wait until your turn."), 0);
15686 case BeginningOfGame:
15687 case MachinePlaysBlack:
15688 if (!WhiteOnMove(forwardMostMove)) {
15689 DisplayError(_("Wait until your turn."), 0);
15694 EditPositionDone(TRUE);
15696 case TwoMachinesPlay:
15701 SendToProgram("bk\n", &first);
15702 bookOutput[0] = NULLCHAR;
15703 bookRequested = TRUE;
15709 char *tags = PGNTags(&gameInfo);
15710 TagsPopUp(tags, CmailMsg());
15714 /* end button procedures */
15717 PrintPosition (FILE *fp, int move)
15721 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15722 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15723 char c = PieceToChar(boards[move][i][j]);
15724 fputc(c == 'x' ? '.' : c, fp);
15725 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15728 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15729 fprintf(fp, "white to play\n");
15731 fprintf(fp, "black to play\n");
15735 PrintOpponents (FILE *fp)
15737 if (gameInfo.white != NULL) {
15738 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15744 /* Find last component of program's own name, using some heuristics */
15746 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15749 int local = (strcmp(host, "localhost") == 0);
15750 while (!local && (p = strchr(prog, ';')) != NULL) {
15752 while (*p == ' ') p++;
15755 if (*prog == '"' || *prog == '\'') {
15756 q = strchr(prog + 1, *prog);
15758 q = strchr(prog, ' ');
15760 if (q == NULL) q = prog + strlen(prog);
15762 while (p >= prog && *p != '/' && *p != '\\') p--;
15764 if(p == prog && *p == '"') p++;
15766 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15767 memcpy(buf, p, q - p);
15768 buf[q - p] = NULLCHAR;
15776 TimeControlTagValue ()
15779 if (!appData.clockMode) {
15780 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15781 } else if (movesPerSession > 0) {
15782 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15783 } else if (timeIncrement == 0) {
15784 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15786 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15788 return StrSave(buf);
15794 /* This routine is used only for certain modes */
15795 VariantClass v = gameInfo.variant;
15796 ChessMove r = GameUnfinished;
15799 if(keepInfo) return;
15801 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15802 r = gameInfo.result;
15803 p = gameInfo.resultDetails;
15804 gameInfo.resultDetails = NULL;
15806 ClearGameInfo(&gameInfo);
15807 gameInfo.variant = v;
15809 switch (gameMode) {
15810 case MachinePlaysWhite:
15811 gameInfo.event = StrSave( appData.pgnEventHeader );
15812 gameInfo.site = StrSave(HostName());
15813 gameInfo.date = PGNDate();
15814 gameInfo.round = StrSave("-");
15815 gameInfo.white = StrSave(first.tidy);
15816 gameInfo.black = StrSave(UserName());
15817 gameInfo.timeControl = TimeControlTagValue();
15820 case MachinePlaysBlack:
15821 gameInfo.event = StrSave( appData.pgnEventHeader );
15822 gameInfo.site = StrSave(HostName());
15823 gameInfo.date = PGNDate();
15824 gameInfo.round = StrSave("-");
15825 gameInfo.white = StrSave(UserName());
15826 gameInfo.black = StrSave(first.tidy);
15827 gameInfo.timeControl = TimeControlTagValue();
15830 case TwoMachinesPlay:
15831 gameInfo.event = StrSave( appData.pgnEventHeader );
15832 gameInfo.site = StrSave(HostName());
15833 gameInfo.date = PGNDate();
15836 snprintf(buf, MSG_SIZ, "%d", roundNr);
15837 gameInfo.round = StrSave(buf);
15839 gameInfo.round = StrSave("-");
15841 if (first.twoMachinesColor[0] == 'w') {
15842 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15843 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15845 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15846 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15848 gameInfo.timeControl = TimeControlTagValue();
15852 gameInfo.event = StrSave("Edited game");
15853 gameInfo.site = StrSave(HostName());
15854 gameInfo.date = PGNDate();
15855 gameInfo.round = StrSave("-");
15856 gameInfo.white = StrSave("-");
15857 gameInfo.black = StrSave("-");
15858 gameInfo.result = r;
15859 gameInfo.resultDetails = p;
15863 gameInfo.event = StrSave("Edited position");
15864 gameInfo.site = StrSave(HostName());
15865 gameInfo.date = PGNDate();
15866 gameInfo.round = StrSave("-");
15867 gameInfo.white = StrSave("-");
15868 gameInfo.black = StrSave("-");
15871 case IcsPlayingWhite:
15872 case IcsPlayingBlack:
15877 case PlayFromGameFile:
15878 gameInfo.event = StrSave("Game from non-PGN file");
15879 gameInfo.site = StrSave(HostName());
15880 gameInfo.date = PGNDate();
15881 gameInfo.round = StrSave("-");
15882 gameInfo.white = StrSave("?");
15883 gameInfo.black = StrSave("?");
15892 ReplaceComment (int index, char *text)
15898 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15899 pvInfoList[index-1].depth == len &&
15900 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15901 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15902 while (*text == '\n') text++;
15903 len = strlen(text);
15904 while (len > 0 && text[len - 1] == '\n') len--;
15906 if (commentList[index] != NULL)
15907 free(commentList[index]);
15910 commentList[index] = NULL;
15913 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15914 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15915 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15916 commentList[index] = (char *) malloc(len + 2);
15917 strncpy(commentList[index], text, len);
15918 commentList[index][len] = '\n';
15919 commentList[index][len + 1] = NULLCHAR;
15921 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15923 commentList[index] = (char *) malloc(len + 7);
15924 safeStrCpy(commentList[index], "{\n", 3);
15925 safeStrCpy(commentList[index]+2, text, len+1);
15926 commentList[index][len+2] = NULLCHAR;
15927 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15928 strcat(commentList[index], "\n}\n");
15933 CrushCRs (char *text)
15941 if (ch == '\r') continue;
15943 } while (ch != '\0');
15947 AppendComment (int index, char *text, Boolean addBraces)
15948 /* addBraces tells if we should add {} */
15953 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15954 if(addBraces == 3) addBraces = 0; else // force appending literally
15955 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15958 while (*text == '\n') text++;
15959 len = strlen(text);
15960 while (len > 0 && text[len - 1] == '\n') len--;
15961 text[len] = NULLCHAR;
15963 if (len == 0) return;
15965 if (commentList[index] != NULL) {
15966 Boolean addClosingBrace = addBraces;
15967 old = commentList[index];
15968 oldlen = strlen(old);
15969 while(commentList[index][oldlen-1] == '\n')
15970 commentList[index][--oldlen] = NULLCHAR;
15971 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15972 safeStrCpy(commentList[index], old, oldlen + len + 6);
15974 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15975 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15976 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15977 while (*text == '\n') { text++; len--; }
15978 commentList[index][--oldlen] = NULLCHAR;
15980 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15981 else strcat(commentList[index], "\n");
15982 strcat(commentList[index], text);
15983 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15984 else strcat(commentList[index], "\n");
15986 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15988 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15989 else commentList[index][0] = NULLCHAR;
15990 strcat(commentList[index], text);
15991 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15992 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15997 FindStr (char * text, char * sub_text)
15999 char * result = strstr( text, sub_text );
16001 if( result != NULL ) {
16002 result += strlen( sub_text );
16008 /* [AS] Try to extract PV info from PGN comment */
16009 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16011 GetInfoFromComment (int index, char * text)
16013 char * sep = text, *p;
16015 if( text != NULL && index > 0 ) {
16018 int time = -1, sec = 0, deci;
16019 char * s_eval = FindStr( text, "[%eval " );
16020 char * s_emt = FindStr( text, "[%emt " );
16022 if( s_eval != NULL || s_emt != NULL ) {
16024 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16029 if( s_eval != NULL ) {
16030 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16034 if( delim != ']' ) {
16039 if( s_emt != NULL ) {
16044 /* We expect something like: [+|-]nnn.nn/dd */
16047 if(*text != '{') return text; // [HGM] braces: must be normal comment
16049 sep = strchr( text, '/' );
16050 if( sep == NULL || sep < (text+4) ) {
16055 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16056 if(p[1] == '(') { // comment starts with PV
16057 p = strchr(p, ')'); // locate end of PV
16058 if(p == NULL || sep < p+5) return text;
16059 // at this point we have something like "{(.*) +0.23/6 ..."
16060 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16061 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16062 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16064 time = -1; sec = -1; deci = -1;
16065 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16066 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16067 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16068 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16072 if( score_lo < 0 || score_lo >= 100 ) {
16076 if(sec >= 0) time = 600*time + 10*sec; else
16077 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16079 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16081 /* [HGM] PV time: now locate end of PV info */
16082 while( *++sep >= '0' && *sep <= '9'); // strip depth
16084 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16086 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16088 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16089 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16100 pvInfoList[index-1].depth = depth;
16101 pvInfoList[index-1].score = score;
16102 pvInfoList[index-1].time = 10*time; // centi-sec
16103 if(*sep == '}') *sep = 0; else *--sep = '{';
16104 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16110 SendToProgram (char *message, ChessProgramState *cps)
16112 int count, outCount, error;
16115 if (cps->pr == NoProc) return;
16118 if (appData.debugMode) {
16121 fprintf(debugFP, "%ld >%-6s: %s",
16122 SubtractTimeMarks(&now, &programStartTime),
16123 cps->which, message);
16125 fprintf(serverFP, "%ld >%-6s: %s",
16126 SubtractTimeMarks(&now, &programStartTime),
16127 cps->which, message), fflush(serverFP);
16130 count = strlen(message);
16131 outCount = OutputToProcess(cps->pr, message, count, &error);
16132 if (outCount < count && !exiting
16133 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16134 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16135 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16136 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16137 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16138 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16139 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16140 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16142 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16143 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16144 gameInfo.result = res;
16146 gameInfo.resultDetails = StrSave(buf);
16148 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16149 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16154 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16158 ChessProgramState *cps = (ChessProgramState *)closure;
16160 if (isr != cps->isr) return; /* Killed intentionally */
16163 RemoveInputSource(cps->isr);
16164 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16165 _(cps->which), cps->program);
16166 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16167 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16168 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16169 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16170 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16171 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16173 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16174 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16175 gameInfo.result = res;
16177 gameInfo.resultDetails = StrSave(buf);
16179 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16180 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16182 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16183 _(cps->which), cps->program);
16184 RemoveInputSource(cps->isr);
16186 /* [AS] Program is misbehaving badly... kill it */
16187 if( count == -2 ) {
16188 DestroyChildProcess( cps->pr, 9 );
16192 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16197 if ((end_str = strchr(message, '\r')) != NULL)
16198 *end_str = NULLCHAR;
16199 if ((end_str = strchr(message, '\n')) != NULL)
16200 *end_str = NULLCHAR;
16202 if (appData.debugMode) {
16203 TimeMark now; int print = 1;
16204 char *quote = ""; char c; int i;
16206 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16207 char start = message[0];
16208 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16209 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16210 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16211 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16212 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16213 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16214 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16215 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16216 sscanf(message, "hint: %c", &c)!=1 &&
16217 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16218 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16219 print = (appData.engineComments >= 2);
16221 message[0] = start; // restore original message
16225 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16226 SubtractTimeMarks(&now, &programStartTime), cps->which,
16230 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16231 SubtractTimeMarks(&now, &programStartTime), cps->which,
16233 message), fflush(serverFP);
16237 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16238 if (appData.icsEngineAnalyze) {
16239 if (strstr(message, "whisper") != NULL ||
16240 strstr(message, "kibitz") != NULL ||
16241 strstr(message, "tellics") != NULL) return;
16244 HandleMachineMove(message, cps);
16249 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16254 if( timeControl_2 > 0 ) {
16255 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16256 tc = timeControl_2;
16259 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16260 inc /= cps->timeOdds;
16261 st /= cps->timeOdds;
16263 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16266 /* Set exact time per move, normally using st command */
16267 if (cps->stKludge) {
16268 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16270 if (seconds == 0) {
16271 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16273 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16276 snprintf(buf, MSG_SIZ, "st %d\n", st);
16279 /* Set conventional or incremental time control, using level command */
16280 if (seconds == 0) {
16281 /* Note old gnuchess bug -- minutes:seconds used to not work.
16282 Fixed in later versions, but still avoid :seconds
16283 when seconds is 0. */
16284 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16286 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16287 seconds, inc/1000.);
16290 SendToProgram(buf, cps);
16292 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16293 /* Orthogonally, limit search to given depth */
16295 if (cps->sdKludge) {
16296 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16298 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16300 SendToProgram(buf, cps);
16303 if(cps->nps >= 0) { /* [HGM] nps */
16304 if(cps->supportsNPS == FALSE)
16305 cps->nps = -1; // don't use if engine explicitly says not supported!
16307 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16308 SendToProgram(buf, cps);
16313 ChessProgramState *
16315 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16317 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16318 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16324 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16326 char message[MSG_SIZ];
16329 /* Note: this routine must be called when the clocks are stopped
16330 or when they have *just* been set or switched; otherwise
16331 it will be off by the time since the current tick started.
16333 if (machineWhite) {
16334 time = whiteTimeRemaining / 10;
16335 otime = blackTimeRemaining / 10;
16337 time = blackTimeRemaining / 10;
16338 otime = whiteTimeRemaining / 10;
16340 /* [HGM] translate opponent's time by time-odds factor */
16341 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16343 if (time <= 0) time = 1;
16344 if (otime <= 0) otime = 1;
16346 snprintf(message, MSG_SIZ, "time %ld\n", time);
16347 SendToProgram(message, cps);
16349 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16350 SendToProgram(message, cps);
16354 EngineDefinedVariant (ChessProgramState *cps, int n)
16355 { // return name of n-th unknown variant that engine supports
16356 static char buf[MSG_SIZ];
16357 char *p, *s = cps->variants;
16358 if(!s) return NULL;
16359 do { // parse string from variants feature
16361 p = strchr(s, ',');
16362 if(p) *p = NULLCHAR;
16363 v = StringToVariant(s);
16364 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16365 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16366 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16369 if(n < 0) return buf;
16375 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16378 int len = strlen(name);
16381 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16383 sscanf(*p, "%d", &val);
16385 while (**p && **p != ' ')
16387 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16388 SendToProgram(buf, cps);
16395 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16398 int len = strlen(name);
16399 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16401 sscanf(*p, "%d", loc);
16402 while (**p && **p != ' ') (*p)++;
16403 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16404 SendToProgram(buf, cps);
16411 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16414 int len = strlen(name);
16415 if (strncmp((*p), name, len) == 0
16416 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16418 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16419 sscanf(*p, "%[^\"]", *loc);
16420 while (**p && **p != '\"') (*p)++;
16421 if (**p == '\"') (*p)++;
16422 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16423 SendToProgram(buf, cps);
16430 ParseOption (Option *opt, ChessProgramState *cps)
16431 // [HGM] options: process the string that defines an engine option, and determine
16432 // name, type, default value, and allowed value range
16434 char *p, *q, buf[MSG_SIZ];
16435 int n, min = (-1)<<31, max = 1<<31, def;
16437 if(p = strstr(opt->name, " -spin ")) {
16438 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16439 if(max < min) max = min; // enforce consistency
16440 if(def < min) def = min;
16441 if(def > max) def = max;
16446 } else if((p = strstr(opt->name, " -slider "))) {
16447 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16448 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16449 if(max < min) max = min; // enforce consistency
16450 if(def < min) def = min;
16451 if(def > max) def = max;
16455 opt->type = Spin; // Slider;
16456 } else if((p = strstr(opt->name, " -string "))) {
16457 opt->textValue = p+9;
16458 opt->type = TextBox;
16459 } else if((p = strstr(opt->name, " -file "))) {
16460 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16461 opt->textValue = p+7;
16462 opt->type = FileName; // FileName;
16463 } else if((p = strstr(opt->name, " -path "))) {
16464 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16465 opt->textValue = p+7;
16466 opt->type = PathName; // PathName;
16467 } else if(p = strstr(opt->name, " -check ")) {
16468 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16469 opt->value = (def != 0);
16470 opt->type = CheckBox;
16471 } else if(p = strstr(opt->name, " -combo ")) {
16472 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16473 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16474 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16475 opt->value = n = 0;
16476 while(q = StrStr(q, " /// ")) {
16477 n++; *q = 0; // count choices, and null-terminate each of them
16479 if(*q == '*') { // remember default, which is marked with * prefix
16483 cps->comboList[cps->comboCnt++] = q;
16485 cps->comboList[cps->comboCnt++] = NULL;
16487 opt->type = ComboBox;
16488 } else if(p = strstr(opt->name, " -button")) {
16489 opt->type = Button;
16490 } else if(p = strstr(opt->name, " -save")) {
16491 opt->type = SaveButton;
16492 } else return FALSE;
16493 *p = 0; // terminate option name
16494 // now look if the command-line options define a setting for this engine option.
16495 if(cps->optionSettings && cps->optionSettings[0])
16496 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16497 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16498 snprintf(buf, MSG_SIZ, "option %s", p);
16499 if(p = strstr(buf, ",")) *p = 0;
16500 if(q = strchr(buf, '=')) switch(opt->type) {
16502 for(n=0; n<opt->max; n++)
16503 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16506 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16510 opt->value = atoi(q+1);
16515 SendToProgram(buf, cps);
16521 FeatureDone (ChessProgramState *cps, int val)
16523 DelayedEventCallback cb = GetDelayedEvent();
16524 if ((cb == InitBackEnd3 && cps == &first) ||
16525 (cb == SettingsMenuIfReady && cps == &second) ||
16526 (cb == LoadEngine) ||
16527 (cb == TwoMachinesEventIfReady)) {
16528 CancelDelayedEvent();
16529 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16531 cps->initDone = val;
16532 if(val) cps->reload = FALSE;
16535 /* Parse feature command from engine */
16537 ParseFeatures (char *args, ChessProgramState *cps)
16545 while (*p == ' ') p++;
16546 if (*p == NULLCHAR) return;
16548 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16549 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16550 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16551 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16552 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16553 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16554 if (BoolFeature(&p, "reuse", &val, cps)) {
16555 /* Engine can disable reuse, but can't enable it if user said no */
16556 if (!val) cps->reuse = FALSE;
16559 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16560 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16561 if (gameMode == TwoMachinesPlay) {
16562 DisplayTwoMachinesTitle();
16568 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16569 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16570 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16571 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16572 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16573 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16574 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16575 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16576 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16577 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16578 if (IntFeature(&p, "done", &val, cps)) {
16579 FeatureDone(cps, val);
16582 /* Added by Tord: */
16583 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16584 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16585 /* End of additions by Tord */
16587 /* [HGM] added features: */
16588 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16589 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16590 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16591 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16592 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16593 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16594 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16595 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16596 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16597 FREE(cps->option[cps->nrOptions].name);
16598 cps->option[cps->nrOptions].name = q; q = NULL;
16599 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16600 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16601 SendToProgram(buf, cps);
16604 if(cps->nrOptions >= MAX_OPTIONS) {
16606 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16607 DisplayError(buf, 0);
16611 /* End of additions by HGM */
16613 /* unknown feature: complain and skip */
16615 while (*q && *q != '=') q++;
16616 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16617 SendToProgram(buf, cps);
16623 while (*p && *p != '\"') p++;
16624 if (*p == '\"') p++;
16626 while (*p && *p != ' ') p++;
16634 PeriodicUpdatesEvent (int newState)
16636 if (newState == appData.periodicUpdates)
16639 appData.periodicUpdates=newState;
16641 /* Display type changes, so update it now */
16642 // DisplayAnalysis();
16644 /* Get the ball rolling again... */
16646 AnalysisPeriodicEvent(1);
16647 StartAnalysisClock();
16652 PonderNextMoveEvent (int newState)
16654 if (newState == appData.ponderNextMove) return;
16655 if (gameMode == EditPosition) EditPositionDone(TRUE);
16657 SendToProgram("hard\n", &first);
16658 if (gameMode == TwoMachinesPlay) {
16659 SendToProgram("hard\n", &second);
16662 SendToProgram("easy\n", &first);
16663 thinkOutput[0] = NULLCHAR;
16664 if (gameMode == TwoMachinesPlay) {
16665 SendToProgram("easy\n", &second);
16668 appData.ponderNextMove = newState;
16672 NewSettingEvent (int option, int *feature, char *command, int value)
16676 if (gameMode == EditPosition) EditPositionDone(TRUE);
16677 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16678 if(feature == NULL || *feature) SendToProgram(buf, &first);
16679 if (gameMode == TwoMachinesPlay) {
16680 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16685 ShowThinkingEvent ()
16686 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16688 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16689 int newState = appData.showThinking
16690 // [HGM] thinking: other features now need thinking output as well
16691 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16693 if (oldState == newState) return;
16694 oldState = newState;
16695 if (gameMode == EditPosition) EditPositionDone(TRUE);
16697 SendToProgram("post\n", &first);
16698 if (gameMode == TwoMachinesPlay) {
16699 SendToProgram("post\n", &second);
16702 SendToProgram("nopost\n", &first);
16703 thinkOutput[0] = NULLCHAR;
16704 if (gameMode == TwoMachinesPlay) {
16705 SendToProgram("nopost\n", &second);
16708 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16712 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16714 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16715 if (pr == NoProc) return;
16716 AskQuestion(title, question, replyPrefix, pr);
16720 TypeInEvent (char firstChar)
16722 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16723 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16724 gameMode == AnalyzeMode || gameMode == EditGame ||
16725 gameMode == EditPosition || gameMode == IcsExamining ||
16726 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16727 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16728 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16729 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16730 gameMode == Training) PopUpMoveDialog(firstChar);
16734 TypeInDoneEvent (char *move)
16737 int n, fromX, fromY, toX, toY;
16739 ChessMove moveType;
16742 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16743 EditPositionPasteFEN(move);
16746 // [HGM] movenum: allow move number to be typed in any mode
16747 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16751 // undocumented kludge: allow command-line option to be typed in!
16752 // (potentially fatal, and does not implement the effect of the option.)
16753 // should only be used for options that are values on which future decisions will be made,
16754 // and definitely not on options that would be used during initialization.
16755 if(strstr(move, "!!! -") == move) {
16756 ParseArgsFromString(move+4);
16760 if (gameMode != EditGame && currentMove != forwardMostMove &&
16761 gameMode != Training) {
16762 DisplayMoveError(_("Displayed move is not current"));
16764 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16765 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16766 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16767 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16768 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16769 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16771 DisplayMoveError(_("Could not parse move"));
16777 DisplayMove (int moveNumber)
16779 char message[MSG_SIZ];
16781 char cpThinkOutput[MSG_SIZ];
16783 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16785 if (moveNumber == forwardMostMove - 1 ||
16786 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16788 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16790 if (strchr(cpThinkOutput, '\n')) {
16791 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16794 *cpThinkOutput = NULLCHAR;
16797 /* [AS] Hide thinking from human user */
16798 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16799 *cpThinkOutput = NULLCHAR;
16800 if( thinkOutput[0] != NULLCHAR ) {
16803 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16804 cpThinkOutput[i] = '.';
16806 cpThinkOutput[i] = NULLCHAR;
16807 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16811 if (moveNumber == forwardMostMove - 1 &&
16812 gameInfo.resultDetails != NULL) {
16813 if (gameInfo.resultDetails[0] == NULLCHAR) {
16814 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16816 snprintf(res, MSG_SIZ, " {%s} %s",
16817 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16823 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16824 DisplayMessage(res, cpThinkOutput);
16826 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16827 WhiteOnMove(moveNumber) ? " " : ".. ",
16828 parseList[moveNumber], res);
16829 DisplayMessage(message, cpThinkOutput);
16834 DisplayComment (int moveNumber, char *text)
16836 char title[MSG_SIZ];
16838 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16839 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16841 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16842 WhiteOnMove(moveNumber) ? " " : ".. ",
16843 parseList[moveNumber]);
16845 if (text != NULL && (appData.autoDisplayComment || commentUp))
16846 CommentPopUp(title, text);
16849 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16850 * might be busy thinking or pondering. It can be omitted if your
16851 * gnuchess is configured to stop thinking immediately on any user
16852 * input. However, that gnuchess feature depends on the FIONREAD
16853 * ioctl, which does not work properly on some flavors of Unix.
16856 Attention (ChessProgramState *cps)
16859 if (!cps->useSigint) return;
16860 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16861 switch (gameMode) {
16862 case MachinePlaysWhite:
16863 case MachinePlaysBlack:
16864 case TwoMachinesPlay:
16865 case IcsPlayingWhite:
16866 case IcsPlayingBlack:
16869 /* Skip if we know it isn't thinking */
16870 if (!cps->maybeThinking) return;
16871 if (appData.debugMode)
16872 fprintf(debugFP, "Interrupting %s\n", cps->which);
16873 InterruptChildProcess(cps->pr);
16874 cps->maybeThinking = FALSE;
16879 #endif /*ATTENTION*/
16885 if (whiteTimeRemaining <= 0) {
16888 if (appData.icsActive) {
16889 if (appData.autoCallFlag &&
16890 gameMode == IcsPlayingBlack && !blackFlag) {
16891 SendToICS(ics_prefix);
16892 SendToICS("flag\n");
16896 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16898 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16899 if (appData.autoCallFlag) {
16900 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16907 if (blackTimeRemaining <= 0) {
16910 if (appData.icsActive) {
16911 if (appData.autoCallFlag &&
16912 gameMode == IcsPlayingWhite && !whiteFlag) {
16913 SendToICS(ics_prefix);
16914 SendToICS("flag\n");
16918 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16920 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16921 if (appData.autoCallFlag) {
16922 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16933 CheckTimeControl ()
16935 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16936 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16939 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16941 if ( !WhiteOnMove(forwardMostMove) ) {
16942 /* White made time control */
16943 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16944 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16945 /* [HGM] time odds: correct new time quota for time odds! */
16946 / WhitePlayer()->timeOdds;
16947 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16949 lastBlack -= blackTimeRemaining;
16950 /* Black made time control */
16951 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16952 / WhitePlayer()->other->timeOdds;
16953 lastWhite = whiteTimeRemaining;
16958 DisplayBothClocks ()
16960 int wom = gameMode == EditPosition ?
16961 !blackPlaysFirst : WhiteOnMove(currentMove);
16962 DisplayWhiteClock(whiteTimeRemaining, wom);
16963 DisplayBlackClock(blackTimeRemaining, !wom);
16967 /* Timekeeping seems to be a portability nightmare. I think everyone
16968 has ftime(), but I'm really not sure, so I'm including some ifdefs
16969 to use other calls if you don't. Clocks will be less accurate if
16970 you have neither ftime nor gettimeofday.
16973 /* VS 2008 requires the #include outside of the function */
16974 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16975 #include <sys/timeb.h>
16978 /* Get the current time as a TimeMark */
16980 GetTimeMark (TimeMark *tm)
16982 #if HAVE_GETTIMEOFDAY
16984 struct timeval timeVal;
16985 struct timezone timeZone;
16987 gettimeofday(&timeVal, &timeZone);
16988 tm->sec = (long) timeVal.tv_sec;
16989 tm->ms = (int) (timeVal.tv_usec / 1000L);
16991 #else /*!HAVE_GETTIMEOFDAY*/
16994 // include <sys/timeb.h> / moved to just above start of function
16995 struct timeb timeB;
16998 tm->sec = (long) timeB.time;
16999 tm->ms = (int) timeB.millitm;
17001 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17002 tm->sec = (long) time(NULL);
17008 /* Return the difference in milliseconds between two
17009 time marks. We assume the difference will fit in a long!
17012 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17014 return 1000L*(tm2->sec - tm1->sec) +
17015 (long) (tm2->ms - tm1->ms);
17020 * Code to manage the game clocks.
17022 * In tournament play, black starts the clock and then white makes a move.
17023 * We give the human user a slight advantage if he is playing white---the
17024 * clocks don't run until he makes his first move, so it takes zero time.
17025 * Also, we don't account for network lag, so we could get out of sync
17026 * with GNU Chess's clock -- but then, referees are always right.
17029 static TimeMark tickStartTM;
17030 static long intendedTickLength;
17033 NextTickLength (long timeRemaining)
17035 long nominalTickLength, nextTickLength;
17037 if (timeRemaining > 0L && timeRemaining <= 10000L)
17038 nominalTickLength = 100L;
17040 nominalTickLength = 1000L;
17041 nextTickLength = timeRemaining % nominalTickLength;
17042 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17044 return nextTickLength;
17047 /* Adjust clock one minute up or down */
17049 AdjustClock (Boolean which, int dir)
17051 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17052 if(which) blackTimeRemaining += 60000*dir;
17053 else whiteTimeRemaining += 60000*dir;
17054 DisplayBothClocks();
17055 adjustedClock = TRUE;
17058 /* Stop clocks and reset to a fresh time control */
17062 (void) StopClockTimer();
17063 if (appData.icsActive) {
17064 whiteTimeRemaining = blackTimeRemaining = 0;
17065 } else if (searchTime) {
17066 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17067 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17068 } else { /* [HGM] correct new time quote for time odds */
17069 whiteTC = blackTC = fullTimeControlString;
17070 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17071 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17073 if (whiteFlag || blackFlag) {
17075 whiteFlag = blackFlag = FALSE;
17077 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17078 DisplayBothClocks();
17079 adjustedClock = FALSE;
17082 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17084 /* Decrement running clock by amount of time that has passed */
17088 long timeRemaining;
17089 long lastTickLength, fudge;
17092 if (!appData.clockMode) return;
17093 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17097 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17099 /* Fudge if we woke up a little too soon */
17100 fudge = intendedTickLength - lastTickLength;
17101 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17103 if (WhiteOnMove(forwardMostMove)) {
17104 if(whiteNPS >= 0) lastTickLength = 0;
17105 timeRemaining = whiteTimeRemaining -= lastTickLength;
17106 if(timeRemaining < 0 && !appData.icsActive) {
17107 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17108 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17109 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17110 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17113 DisplayWhiteClock(whiteTimeRemaining - fudge,
17114 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17116 if(blackNPS >= 0) lastTickLength = 0;
17117 timeRemaining = blackTimeRemaining -= lastTickLength;
17118 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17119 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17121 blackStartMove = forwardMostMove;
17122 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17125 DisplayBlackClock(blackTimeRemaining - fudge,
17126 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17128 if (CheckFlags()) return;
17130 if(twoBoards) { // count down secondary board's clocks as well
17131 activePartnerTime -= lastTickLength;
17133 if(activePartner == 'W')
17134 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17136 DisplayBlackClock(activePartnerTime, TRUE);
17141 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17142 StartClockTimer(intendedTickLength);
17144 /* if the time remaining has fallen below the alarm threshold, sound the
17145 * alarm. if the alarm has sounded and (due to a takeback or time control
17146 * with increment) the time remaining has increased to a level above the
17147 * threshold, reset the alarm so it can sound again.
17150 if (appData.icsActive && appData.icsAlarm) {
17152 /* make sure we are dealing with the user's clock */
17153 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17154 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17157 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17158 alarmSounded = FALSE;
17159 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17161 alarmSounded = TRUE;
17167 /* A player has just moved, so stop the previously running
17168 clock and (if in clock mode) start the other one.
17169 We redisplay both clocks in case we're in ICS mode, because
17170 ICS gives us an update to both clocks after every move.
17171 Note that this routine is called *after* forwardMostMove
17172 is updated, so the last fractional tick must be subtracted
17173 from the color that is *not* on move now.
17176 SwitchClocks (int newMoveNr)
17178 long lastTickLength;
17180 int flagged = FALSE;
17184 if (StopClockTimer() && appData.clockMode) {
17185 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17186 if (!WhiteOnMove(forwardMostMove)) {
17187 if(blackNPS >= 0) lastTickLength = 0;
17188 blackTimeRemaining -= lastTickLength;
17189 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17190 // if(pvInfoList[forwardMostMove].time == -1)
17191 pvInfoList[forwardMostMove].time = // use GUI time
17192 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17194 if(whiteNPS >= 0) lastTickLength = 0;
17195 whiteTimeRemaining -= lastTickLength;
17196 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17197 // if(pvInfoList[forwardMostMove].time == -1)
17198 pvInfoList[forwardMostMove].time =
17199 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17201 flagged = CheckFlags();
17203 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17204 CheckTimeControl();
17206 if (flagged || !appData.clockMode) return;
17208 switch (gameMode) {
17209 case MachinePlaysBlack:
17210 case MachinePlaysWhite:
17211 case BeginningOfGame:
17212 if (pausing) return;
17216 case PlayFromGameFile:
17224 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17225 if(WhiteOnMove(forwardMostMove))
17226 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17227 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17231 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17232 whiteTimeRemaining : blackTimeRemaining);
17233 StartClockTimer(intendedTickLength);
17237 /* Stop both clocks */
17241 long lastTickLength;
17244 if (!StopClockTimer()) return;
17245 if (!appData.clockMode) return;
17249 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17250 if (WhiteOnMove(forwardMostMove)) {
17251 if(whiteNPS >= 0) lastTickLength = 0;
17252 whiteTimeRemaining -= lastTickLength;
17253 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17255 if(blackNPS >= 0) lastTickLength = 0;
17256 blackTimeRemaining -= lastTickLength;
17257 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17262 /* Start clock of player on move. Time may have been reset, so
17263 if clock is already running, stop and restart it. */
17267 (void) StopClockTimer(); /* in case it was running already */
17268 DisplayBothClocks();
17269 if (CheckFlags()) return;
17271 if (!appData.clockMode) return;
17272 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17274 GetTimeMark(&tickStartTM);
17275 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17276 whiteTimeRemaining : blackTimeRemaining);
17278 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17279 whiteNPS = blackNPS = -1;
17280 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17281 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17282 whiteNPS = first.nps;
17283 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17284 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17285 blackNPS = first.nps;
17286 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17287 whiteNPS = second.nps;
17288 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17289 blackNPS = second.nps;
17290 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17292 StartClockTimer(intendedTickLength);
17296 TimeString (long ms)
17298 long second, minute, hour, day;
17300 static char buf[32];
17302 if (ms > 0 && ms <= 9900) {
17303 /* convert milliseconds to tenths, rounding up */
17304 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17306 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17310 /* convert milliseconds to seconds, rounding up */
17311 /* use floating point to avoid strangeness of integer division
17312 with negative dividends on many machines */
17313 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17320 day = second / (60 * 60 * 24);
17321 second = second % (60 * 60 * 24);
17322 hour = second / (60 * 60);
17323 second = second % (60 * 60);
17324 minute = second / 60;
17325 second = second % 60;
17328 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17329 sign, day, hour, minute, second);
17331 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17333 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17340 * This is necessary because some C libraries aren't ANSI C compliant yet.
17343 StrStr (char *string, char *match)
17347 length = strlen(match);
17349 for (i = strlen(string) - length; i >= 0; i--, string++)
17350 if (!strncmp(match, string, length))
17357 StrCaseStr (char *string, char *match)
17361 length = strlen(match);
17363 for (i = strlen(string) - length; i >= 0; i--, string++) {
17364 for (j = 0; j < length; j++) {
17365 if (ToLower(match[j]) != ToLower(string[j]))
17368 if (j == length) return string;
17376 StrCaseCmp (char *s1, char *s2)
17381 c1 = ToLower(*s1++);
17382 c2 = ToLower(*s2++);
17383 if (c1 > c2) return 1;
17384 if (c1 < c2) return -1;
17385 if (c1 == NULLCHAR) return 0;
17393 return isupper(c) ? tolower(c) : c;
17400 return islower(c) ? toupper(c) : c;
17402 #endif /* !_amigados */
17409 if ((ret = (char *) malloc(strlen(s) + 1)))
17411 safeStrCpy(ret, s, strlen(s)+1);
17417 StrSavePtr (char *s, char **savePtr)
17422 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17423 safeStrCpy(*savePtr, s, strlen(s)+1);
17435 clock = time((time_t *)NULL);
17436 tm = localtime(&clock);
17437 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17438 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17439 return StrSave(buf);
17444 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17446 int i, j, fromX, fromY, toX, toY;
17453 whiteToPlay = (gameMode == EditPosition) ?
17454 !blackPlaysFirst : (move % 2 == 0);
17457 /* Piece placement data */
17458 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17459 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17461 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17462 if (boards[move][i][j] == EmptySquare) {
17464 } else { ChessSquare piece = boards[move][i][j];
17465 if (emptycount > 0) {
17466 if(emptycount<10) /* [HGM] can be >= 10 */
17467 *p++ = '0' + emptycount;
17468 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17471 if(PieceToChar(piece) == '+') {
17472 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17474 piece = (ChessSquare)(DEMOTED piece);
17476 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17478 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17479 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17484 if (emptycount > 0) {
17485 if(emptycount<10) /* [HGM] can be >= 10 */
17486 *p++ = '0' + emptycount;
17487 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17494 /* [HGM] print Crazyhouse or Shogi holdings */
17495 if( gameInfo.holdingsWidth ) {
17496 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17498 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17499 piece = boards[move][i][BOARD_WIDTH-1];
17500 if( piece != EmptySquare )
17501 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17502 *p++ = PieceToChar(piece);
17504 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17505 piece = boards[move][BOARD_HEIGHT-i-1][0];
17506 if( piece != EmptySquare )
17507 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17508 *p++ = PieceToChar(piece);
17511 if( q == p ) *p++ = '-';
17517 *p++ = whiteToPlay ? 'w' : 'b';
17520 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17521 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17523 if(nrCastlingRights) {
17525 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17526 /* [HGM] write directly from rights */
17527 if(boards[move][CASTLING][2] != NoRights &&
17528 boards[move][CASTLING][0] != NoRights )
17529 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17530 if(boards[move][CASTLING][2] != NoRights &&
17531 boards[move][CASTLING][1] != NoRights )
17532 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17533 if(boards[move][CASTLING][5] != NoRights &&
17534 boards[move][CASTLING][3] != NoRights )
17535 *p++ = boards[move][CASTLING][3] + AAA;
17536 if(boards[move][CASTLING][5] != NoRights &&
17537 boards[move][CASTLING][4] != NoRights )
17538 *p++ = boards[move][CASTLING][4] + AAA;
17541 /* [HGM] write true castling rights */
17542 if( nrCastlingRights == 6 ) {
17544 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17545 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17546 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17547 boards[move][CASTLING][2] != NoRights );
17548 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17549 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17550 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17551 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17552 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17556 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17557 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17558 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17559 boards[move][CASTLING][5] != NoRights );
17560 if(gameInfo.variant == VariantSChess) {
17561 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17562 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17563 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17564 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17569 if (q == p) *p++ = '-'; /* No castling rights */
17573 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17574 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17575 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17576 /* En passant target square */
17577 if (move > backwardMostMove) {
17578 fromX = moveList[move - 1][0] - AAA;
17579 fromY = moveList[move - 1][1] - ONE;
17580 toX = moveList[move - 1][2] - AAA;
17581 toY = moveList[move - 1][3] - ONE;
17582 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17583 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17584 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17586 /* 2-square pawn move just happened */
17588 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17592 } else if(move == backwardMostMove) {
17593 // [HGM] perhaps we should always do it like this, and forget the above?
17594 if((signed char)boards[move][EP_STATUS] >= 0) {
17595 *p++ = boards[move][EP_STATUS] + AAA;
17596 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17608 { int i = 0, j=move;
17610 /* [HGM] find reversible plies */
17611 if (appData.debugMode) { int k;
17612 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17613 for(k=backwardMostMove; k<=forwardMostMove; k++)
17614 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17618 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17619 if( j == backwardMostMove ) i += initialRulePlies;
17620 sprintf(p, "%d ", i);
17621 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17623 /* Fullmove number */
17624 sprintf(p, "%d", (move / 2) + 1);
17625 } else *--p = NULLCHAR;
17627 return StrSave(buf);
17631 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17635 int emptycount, virgin[BOARD_FILES];
17640 /* Piece placement data */
17641 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17644 if (*p == '/' || *p == ' ' || *p == '[' ) {
17646 emptycount = gameInfo.boardWidth - j;
17647 while (emptycount--)
17648 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17649 if (*p == '/') p++;
17650 else if(autoSize) { // we stumbled unexpectedly into end of board
17651 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17652 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17654 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17657 #if(BOARD_FILES >= 10)
17658 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17659 p++; emptycount=10;
17660 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17661 while (emptycount--)
17662 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17664 } else if (*p == '*') {
17665 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17666 } else if (isdigit(*p)) {
17667 emptycount = *p++ - '0';
17668 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17669 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17670 while (emptycount--)
17671 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17672 } else if (*p == '+' || isalpha(*p)) {
17673 if (j >= gameInfo.boardWidth) return FALSE;
17675 piece = CharToPiece(*++p);
17676 if(piece == EmptySquare) return FALSE; /* unknown piece */
17677 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17678 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17679 } else piece = CharToPiece(*p++);
17681 if(piece==EmptySquare) return FALSE; /* unknown piece */
17682 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17683 piece = (ChessSquare) (PROMOTED piece);
17684 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17687 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17693 while (*p == '/' || *p == ' ') p++;
17695 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17697 /* [HGM] by default clear Crazyhouse holdings, if present */
17698 if(gameInfo.holdingsWidth) {
17699 for(i=0; i<BOARD_HEIGHT; i++) {
17700 board[i][0] = EmptySquare; /* black holdings */
17701 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17702 board[i][1] = (ChessSquare) 0; /* black counts */
17703 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17707 /* [HGM] look for Crazyhouse holdings here */
17708 while(*p==' ') p++;
17709 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17711 if(*p == '-' ) p++; /* empty holdings */ else {
17712 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17713 /* if we would allow FEN reading to set board size, we would */
17714 /* have to add holdings and shift the board read so far here */
17715 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17717 if((int) piece >= (int) BlackPawn ) {
17718 i = (int)piece - (int)BlackPawn;
17719 i = PieceToNumber((ChessSquare)i);
17720 if( i >= gameInfo.holdingsSize ) return FALSE;
17721 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17722 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17724 i = (int)piece - (int)WhitePawn;
17725 i = PieceToNumber((ChessSquare)i);
17726 if( i >= gameInfo.holdingsSize ) return FALSE;
17727 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17728 board[i][BOARD_WIDTH-2]++; /* black holdings */
17735 while(*p == ' ') p++;
17739 if(appData.colorNickNames) {
17740 if( c == appData.colorNickNames[0] ) c = 'w'; else
17741 if( c == appData.colorNickNames[1] ) c = 'b';
17745 *blackPlaysFirst = FALSE;
17748 *blackPlaysFirst = TRUE;
17754 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17755 /* return the extra info in global variiables */
17757 /* set defaults in case FEN is incomplete */
17758 board[EP_STATUS] = EP_UNKNOWN;
17759 for(i=0; i<nrCastlingRights; i++ ) {
17760 board[CASTLING][i] =
17761 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17762 } /* assume possible unless obviously impossible */
17763 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17764 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17765 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17766 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17767 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17768 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17769 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17770 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17773 while(*p==' ') p++;
17774 if(nrCastlingRights) {
17775 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17776 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17777 /* castling indicator present, so default becomes no castlings */
17778 for(i=0; i<nrCastlingRights; i++ ) {
17779 board[CASTLING][i] = NoRights;
17782 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17783 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17784 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17785 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17786 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17788 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17789 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17790 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17792 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17793 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17794 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17795 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17796 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17797 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17800 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17801 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17802 board[CASTLING][2] = whiteKingFile;
17803 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17804 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17807 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17808 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17809 board[CASTLING][2] = whiteKingFile;
17810 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17811 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17814 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17815 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17816 board[CASTLING][5] = blackKingFile;
17817 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17818 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17821 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17822 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17823 board[CASTLING][5] = blackKingFile;
17824 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17825 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17828 default: /* FRC castlings */
17829 if(c >= 'a') { /* black rights */
17830 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17831 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17832 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17833 if(i == BOARD_RGHT) break;
17834 board[CASTLING][5] = i;
17836 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17837 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17839 board[CASTLING][3] = c;
17841 board[CASTLING][4] = c;
17842 } else { /* white rights */
17843 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17844 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17845 if(board[0][i] == WhiteKing) break;
17846 if(i == BOARD_RGHT) break;
17847 board[CASTLING][2] = i;
17848 c -= AAA - 'a' + 'A';
17849 if(board[0][c] >= WhiteKing) break;
17851 board[CASTLING][0] = c;
17853 board[CASTLING][1] = c;
17857 for(i=0; i<nrCastlingRights; i++)
17858 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17859 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17860 if (appData.debugMode) {
17861 fprintf(debugFP, "FEN castling rights:");
17862 for(i=0; i<nrCastlingRights; i++)
17863 fprintf(debugFP, " %d", board[CASTLING][i]);
17864 fprintf(debugFP, "\n");
17867 while(*p==' ') p++;
17870 /* read e.p. field in games that know e.p. capture */
17871 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17872 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17873 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17875 p++; board[EP_STATUS] = EP_NONE;
17877 char c = *p++ - AAA;
17879 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17880 if(*p >= '0' && *p <='9') p++;
17881 board[EP_STATUS] = c;
17886 if(sscanf(p, "%d", &i) == 1) {
17887 FENrulePlies = i; /* 50-move ply counter */
17888 /* (The move number is still ignored) */
17895 EditPositionPasteFEN (char *fen)
17898 Board initial_position;
17900 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
17901 DisplayError(_("Bad FEN position in clipboard"), 0);
17904 int savedBlackPlaysFirst = blackPlaysFirst;
17905 EditPositionEvent();
17906 blackPlaysFirst = savedBlackPlaysFirst;
17907 CopyBoard(boards[0], initial_position);
17908 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17909 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17910 DisplayBothClocks();
17911 DrawPosition(FALSE, boards[currentMove]);
17916 static char cseq[12] = "\\ ";
17919 set_cont_sequence (char *new_seq)
17924 // handle bad attempts to set the sequence
17926 return 0; // acceptable error - no debug
17928 len = strlen(new_seq);
17929 ret = (len > 0) && (len < sizeof(cseq));
17931 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17932 else if (appData.debugMode)
17933 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17938 reformat a source message so words don't cross the width boundary. internal
17939 newlines are not removed. returns the wrapped size (no null character unless
17940 included in source message). If dest is NULL, only calculate the size required
17941 for the dest buffer. lp argument indicats line position upon entry, and it's
17942 passed back upon exit.
17945 wrap (char *dest, char *src, int count, int width, int *lp)
17947 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17949 cseq_len = strlen(cseq);
17950 old_line = line = *lp;
17951 ansi = len = clen = 0;
17953 for (i=0; i < count; i++)
17955 if (src[i] == '\033')
17958 // if we hit the width, back up
17959 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17961 // store i & len in case the word is too long
17962 old_i = i, old_len = len;
17964 // find the end of the last word
17965 while (i && src[i] != ' ' && src[i] != '\n')
17971 // word too long? restore i & len before splitting it
17972 if ((old_i-i+clen) >= width)
17979 if (i && src[i-1] == ' ')
17982 if (src[i] != ' ' && src[i] != '\n')
17989 // now append the newline and continuation sequence
17994 strncpy(dest+len, cseq, cseq_len);
18002 dest[len] = src[i];
18006 if (src[i] == '\n')
18011 if (dest && appData.debugMode)
18013 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18014 count, width, line, len, *lp);
18015 show_bytes(debugFP, src, count);
18016 fprintf(debugFP, "\ndest: ");
18017 show_bytes(debugFP, dest, len);
18018 fprintf(debugFP, "\n");
18020 *lp = dest ? line : old_line;
18025 // [HGM] vari: routines for shelving variations
18026 Boolean modeRestore = FALSE;
18029 PushInner (int firstMove, int lastMove)
18031 int i, j, nrMoves = lastMove - firstMove;
18033 // push current tail of game on stack
18034 savedResult[storedGames] = gameInfo.result;
18035 savedDetails[storedGames] = gameInfo.resultDetails;
18036 gameInfo.resultDetails = NULL;
18037 savedFirst[storedGames] = firstMove;
18038 savedLast [storedGames] = lastMove;
18039 savedFramePtr[storedGames] = framePtr;
18040 framePtr -= nrMoves; // reserve space for the boards
18041 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18042 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18043 for(j=0; j<MOVE_LEN; j++)
18044 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18045 for(j=0; j<2*MOVE_LEN; j++)
18046 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18047 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18048 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18049 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18050 pvInfoList[firstMove+i-1].depth = 0;
18051 commentList[framePtr+i] = commentList[firstMove+i];
18052 commentList[firstMove+i] = NULL;
18056 forwardMostMove = firstMove; // truncate game so we can start variation
18060 PushTail (int firstMove, int lastMove)
18062 if(appData.icsActive) { // only in local mode
18063 forwardMostMove = currentMove; // mimic old ICS behavior
18066 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18068 PushInner(firstMove, lastMove);
18069 if(storedGames == 1) GreyRevert(FALSE);
18070 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18074 PopInner (Boolean annotate)
18077 char buf[8000], moveBuf[20];
18079 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18080 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18081 nrMoves = savedLast[storedGames] - currentMove;
18084 if(!WhiteOnMove(currentMove))
18085 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18086 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18087 for(i=currentMove; i<forwardMostMove; i++) {
18089 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18090 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18091 strcat(buf, moveBuf);
18092 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18093 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18097 for(i=1; i<=nrMoves; i++) { // copy last variation back
18098 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18099 for(j=0; j<MOVE_LEN; j++)
18100 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18101 for(j=0; j<2*MOVE_LEN; j++)
18102 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18103 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18104 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18105 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18106 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18107 commentList[currentMove+i] = commentList[framePtr+i];
18108 commentList[framePtr+i] = NULL;
18110 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18111 framePtr = savedFramePtr[storedGames];
18112 gameInfo.result = savedResult[storedGames];
18113 if(gameInfo.resultDetails != NULL) {
18114 free(gameInfo.resultDetails);
18116 gameInfo.resultDetails = savedDetails[storedGames];
18117 forwardMostMove = currentMove + nrMoves;
18121 PopTail (Boolean annotate)
18123 if(appData.icsActive) return FALSE; // only in local mode
18124 if(!storedGames) return FALSE; // sanity
18125 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18127 PopInner(annotate);
18128 if(currentMove < forwardMostMove) ForwardEvent(); else
18129 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18131 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18137 { // remove all shelved variations
18139 for(i=0; i<storedGames; i++) {
18140 if(savedDetails[i])
18141 free(savedDetails[i]);
18142 savedDetails[i] = NULL;
18144 for(i=framePtr; i<MAX_MOVES; i++) {
18145 if(commentList[i]) free(commentList[i]);
18146 commentList[i] = NULL;
18148 framePtr = MAX_MOVES-1;
18153 LoadVariation (int index, char *text)
18154 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18155 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18156 int level = 0, move;
18158 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18159 // first find outermost bracketing variation
18160 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18161 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18162 if(*p == '{') wait = '}'; else
18163 if(*p == '[') wait = ']'; else
18164 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18165 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18167 if(*p == wait) wait = NULLCHAR; // closing ]} found
18170 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18171 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18172 end[1] = NULLCHAR; // clip off comment beyond variation
18173 ToNrEvent(currentMove-1);
18174 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18175 // kludge: use ParsePV() to append variation to game
18176 move = currentMove;
18177 ParsePV(start, TRUE, TRUE);
18178 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18179 ClearPremoveHighlights();
18181 ToNrEvent(currentMove+1);
18187 char *p, *q, buf[MSG_SIZ];
18188 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18189 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18190 ParseArgsFromString(buf);
18191 ActivateTheme(TRUE); // also redo colors
18195 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18198 q = appData.themeNames;
18199 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18200 if(appData.useBitmaps) {
18201 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18202 appData.liteBackTextureFile, appData.darkBackTextureFile,
18203 appData.liteBackTextureMode,
18204 appData.darkBackTextureMode );
18206 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18207 Col2Text(2), // lightSquareColor
18208 Col2Text(3) ); // darkSquareColor
18210 if(appData.useBorder) {
18211 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18214 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18216 if(appData.useFont) {
18217 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18218 appData.renderPiecesWithFont,
18219 appData.fontToPieceTable,
18220 Col2Text(9), // appData.fontBackColorWhite
18221 Col2Text(10) ); // appData.fontForeColorBlack
18223 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18224 appData.pieceDirectory);
18225 if(!appData.pieceDirectory[0])
18226 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18227 Col2Text(0), // whitePieceColor
18228 Col2Text(1) ); // blackPieceColor
18230 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18231 Col2Text(4), // highlightSquareColor
18232 Col2Text(5) ); // premoveHighlightColor
18233 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18234 if(insert != q) insert[-1] = NULLCHAR;
18235 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18238 ActivateTheme(FALSE);