2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
446 char promoRestrict[MSG_SIZ];
448 ChessProgramState first, second, pairing;
450 /* premove variables */
453 int premoveFromX = 0;
454 int premoveFromY = 0;
455 int premovePromoChar = 0;
457 Boolean alarmSounded;
458 /* end premove variables */
460 char *ics_prefix = "$";
461 enum ICS_TYPE ics_type = ICS_GENERIC;
463 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
464 int pauseExamForwardMostMove = 0;
465 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
466 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
467 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
468 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
469 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
470 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
471 int whiteFlag = FALSE, blackFlag = FALSE;
472 int userOfferedDraw = FALSE;
473 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
474 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
475 int cmailMoveType[CMAIL_MAX_GAMES];
476 long ics_clock_paused = 0;
477 ProcRef icsPR = NoProc, cmailPR = NoProc;
478 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
479 GameMode gameMode = BeginningOfGame;
480 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
481 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
482 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
483 int hiddenThinkOutputState = 0; /* [AS] */
484 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
485 int adjudicateLossPlies = 6;
486 char white_holding[64], black_holding[64];
487 TimeMark lastNodeCountTime;
488 long lastNodeCount=0;
489 int shiftKey, controlKey; // [HGM] set by mouse handler
491 int have_sent_ICS_logon = 0;
493 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
494 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
495 Boolean adjustedClock;
496 long timeControl_2; /* [AS] Allow separate time controls */
497 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
498 long timeRemaining[2][MAX_MOVES];
499 int matchGame = 0, nextGame = 0, roundNr = 0;
500 Boolean waitingForGame = FALSE, startingEngine = FALSE;
501 TimeMark programStartTime, pauseStart;
502 char ics_handle[MSG_SIZ];
503 int have_set_title = 0;
505 /* animateTraining preserves the state of appData.animate
506 * when Training mode is activated. This allows the
507 * response to be animated when appData.animate == TRUE and
508 * appData.animateDragging == TRUE.
510 Boolean animateTraining;
516 Board boards[MAX_MOVES];
517 /* [HGM] Following 7 needed for accurate legality tests: */
518 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
519 unsigned char initialRights[BOARD_FILES];
520 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
521 int initialRulePlies, FENrulePlies;
522 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
524 Boolean shuffleOpenings;
525 int mute; // mute all sounds
527 // [HGM] vari: next 12 to save and restore variations
528 #define MAX_VARIATIONS 10
529 int framePtr = MAX_MOVES-1; // points to free stack entry
531 int savedFirst[MAX_VARIATIONS];
532 int savedLast[MAX_VARIATIONS];
533 int savedFramePtr[MAX_VARIATIONS];
534 char *savedDetails[MAX_VARIATIONS];
535 ChessMove savedResult[MAX_VARIATIONS];
537 void PushTail P((int firstMove, int lastMove));
538 Boolean PopTail P((Boolean annotate));
539 void PushInner P((int firstMove, int lastMove));
540 void PopInner P((Boolean annotate));
541 void CleanupTail P((void));
543 ChessSquare FIDEArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
547 BlackKing, BlackBishop, BlackKnight, BlackRook }
550 ChessSquare twoKingsArray[2][BOARD_FILES] = {
551 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
552 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
554 BlackKing, BlackKing, BlackKnight, BlackRook }
557 ChessSquare KnightmateArray[2][BOARD_FILES] = {
558 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
559 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
560 { BlackRook, BlackMan, BlackBishop, BlackQueen,
561 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
564 ChessSquare SpartanArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
566 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
567 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
568 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
571 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
575 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
578 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
580 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
582 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
586 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackMan, BlackFerz,
589 BlackKing, BlackMan, BlackKnight, BlackRook }
592 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
593 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
594 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackMan, BlackFerz,
596 BlackKing, BlackMan, BlackKnight, BlackRook }
599 ChessSquare lionArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
601 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackLion, BlackBishop, BlackQueen,
603 BlackKing, BlackBishop, BlackKnight, BlackRook }
607 #if (BOARD_FILES>=10)
608 ChessSquare ShogiArray[2][BOARD_FILES] = {
609 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
610 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
611 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
612 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
615 ChessSquare XiangqiArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
617 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
619 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
622 ChessSquare CapablancaArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
624 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
626 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
629 ChessSquare GreatArray[2][BOARD_FILES] = {
630 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
631 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
632 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
633 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
636 ChessSquare JanusArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
638 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
639 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
640 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
643 ChessSquare GrandArray[2][BOARD_FILES] = {
644 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
645 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
646 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
647 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
650 ChessSquare ChuChessArray[2][BOARD_FILES] = {
651 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
652 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
653 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
654 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
658 ChessSquare GothicArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
660 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
662 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
665 #define GothicArray CapablancaArray
669 ChessSquare FalconArray[2][BOARD_FILES] = {
670 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
671 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
672 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
673 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
676 #define FalconArray CapablancaArray
679 #else // !(BOARD_FILES>=10)
680 #define XiangqiPosition FIDEArray
681 #define CapablancaArray FIDEArray
682 #define GothicArray FIDEArray
683 #define GreatArray FIDEArray
684 #endif // !(BOARD_FILES>=10)
686 #if (BOARD_FILES>=12)
687 ChessSquare CourierArray[2][BOARD_FILES] = {
688 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
689 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
690 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
691 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
693 ChessSquare ChuArray[6][BOARD_FILES] = {
694 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
696 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
698 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
699 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
700 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
701 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
702 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
704 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
707 #else // !(BOARD_FILES>=12)
708 #define CourierArray CapablancaArray
709 #define ChuArray CapablancaArray
710 #endif // !(BOARD_FILES>=12)
713 Board initialPosition;
716 /* Convert str to a rating. Checks for special cases of "----",
718 "++++", etc. Also strips ()'s */
720 string_to_rating (char *str)
722 while(*str && !isdigit(*str)) ++str;
724 return 0; /* One of the special "no rating" cases */
732 /* Init programStats */
733 programStats.movelist[0] = 0;
734 programStats.depth = 0;
735 programStats.nr_moves = 0;
736 programStats.moves_left = 0;
737 programStats.nodes = 0;
738 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
739 programStats.score = 0;
740 programStats.got_only_move = 0;
741 programStats.got_fail = 0;
742 programStats.line_is_book = 0;
747 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
748 if (appData.firstPlaysBlack) {
749 first.twoMachinesColor = "black\n";
750 second.twoMachinesColor = "white\n";
752 first.twoMachinesColor = "white\n";
753 second.twoMachinesColor = "black\n";
756 first.other = &second;
757 second.other = &first;
760 if(appData.timeOddsMode) {
761 norm = appData.timeOdds[0];
762 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
764 first.timeOdds = appData.timeOdds[0]/norm;
765 second.timeOdds = appData.timeOdds[1]/norm;
768 if(programVersion) free(programVersion);
769 if (appData.noChessProgram) {
770 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
771 sprintf(programVersion, "%s", PACKAGE_STRING);
773 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
774 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
775 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
780 UnloadEngine (ChessProgramState *cps)
782 /* Kill off first chess program */
783 if (cps->isr != NULL)
784 RemoveInputSource(cps->isr);
787 if (cps->pr != NoProc) {
789 DoSleep( appData.delayBeforeQuit );
790 SendToProgram("quit\n", cps);
791 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
794 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
798 ClearOptions (ChessProgramState *cps)
801 cps->nrOptions = cps->comboCnt = 0;
802 for(i=0; i<MAX_OPTIONS; i++) {
803 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
804 cps->option[i].textValue = 0;
808 char *engineNames[] = {
809 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
812 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
813 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
818 InitEngine (ChessProgramState *cps, int n)
819 { // [HGM] all engine initialiation put in a function that does one engine
823 cps->which = engineNames[n];
824 cps->maybeThinking = FALSE;
828 cps->sendDrawOffers = 1;
830 cps->program = appData.chessProgram[n];
831 cps->host = appData.host[n];
832 cps->dir = appData.directory[n];
833 cps->initString = appData.engInitString[n];
834 cps->computerString = appData.computerString[n];
835 cps->useSigint = TRUE;
836 cps->useSigterm = TRUE;
837 cps->reuse = appData.reuse[n];
838 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
839 cps->useSetboard = FALSE;
841 cps->usePing = FALSE;
844 cps->usePlayother = FALSE;
845 cps->useColors = TRUE;
846 cps->useUsermove = FALSE;
847 cps->sendICS = FALSE;
848 cps->sendName = appData.icsActive;
849 cps->sdKludge = FALSE;
850 cps->stKludge = FALSE;
851 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
852 TidyProgramName(cps->program, cps->host, cps->tidy);
854 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
855 cps->analysisSupport = 2; /* detect */
856 cps->analyzing = FALSE;
857 cps->initDone = FALSE;
859 cps->pseudo = appData.pseudo[n];
861 /* New features added by Tord: */
862 cps->useFEN960 = FALSE;
863 cps->useOOCastle = TRUE;
864 /* End of new features added by Tord. */
865 cps->fenOverride = appData.fenOverride[n];
867 /* [HGM] time odds: set factor for each machine */
868 cps->timeOdds = appData.timeOdds[n];
870 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
871 cps->accumulateTC = appData.accumulateTC[n];
872 cps->maxNrOfSessions = 1;
877 cps->drawDepth = appData.drawDepth[n];
878 cps->supportsNPS = UNKNOWN;
879 cps->memSize = FALSE;
880 cps->maxCores = FALSE;
881 ASSIGN(cps->egtFormats, "");
884 cps->optionSettings = appData.engOptions[n];
886 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
887 cps->isUCI = appData.isUCI[n]; /* [AS] */
888 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
891 if (appData.protocolVersion[n] > PROTOVER
892 || appData.protocolVersion[n] < 1)
897 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
898 appData.protocolVersion[n]);
899 if( (len >= MSG_SIZ) && appData.debugMode )
900 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
902 DisplayFatalError(buf, 0, 2);
906 cps->protocolVersion = appData.protocolVersion[n];
909 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
910 ParseFeatures(appData.featureDefaults, cps);
913 ChessProgramState *savCps;
921 if(WaitForEngine(savCps, LoadEngine)) return;
922 CommonEngineInit(); // recalculate time odds
923 if(gameInfo.variant != StringToVariant(appData.variant)) {
924 // we changed variant when loading the engine; this forces us to reset
925 Reset(TRUE, savCps != &first);
926 oldMode = BeginningOfGame; // to prevent restoring old mode
928 InitChessProgram(savCps, FALSE);
929 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
930 DisplayMessage("", "");
931 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
932 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
935 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
939 ReplaceEngine (ChessProgramState *cps, int n)
941 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
943 if(oldMode != BeginningOfGame) EditGameEvent();
946 appData.noChessProgram = FALSE;
947 appData.clockMode = TRUE;
950 if(n) return; // only startup first engine immediately; second can wait
951 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
955 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
956 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
958 static char resetOptions[] =
959 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
960 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
961 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
962 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
965 FloatToFront(char **list, char *engineLine)
967 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
969 if(appData.recentEngines <= 0) return;
970 TidyProgramName(engineLine, "localhost", tidy+1);
971 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
972 strncpy(buf+1, *list, MSG_SIZ-50);
973 if(p = strstr(buf, tidy)) { // tidy name appears in list
974 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
975 while(*p++ = *++q); // squeeze out
977 strcat(tidy, buf+1); // put list behind tidy name
978 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
979 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
980 ASSIGN(*list, tidy+1);
983 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
986 Load (ChessProgramState *cps, int i)
988 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
989 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
990 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
991 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
992 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
993 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
994 appData.firstProtocolVersion = PROTOVER;
995 ParseArgsFromString(buf);
997 ReplaceEngine(cps, i);
998 FloatToFront(&appData.recentEngineList, engineLine);
1002 while(q = strchr(p, SLASH)) p = q+1;
1003 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1004 if(engineDir[0] != NULLCHAR) {
1005 ASSIGN(appData.directory[i], engineDir); p = engineName;
1006 } else if(p != engineName) { // derive directory from engine path, when not given
1008 ASSIGN(appData.directory[i], engineName);
1010 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1011 } else { ASSIGN(appData.directory[i], "."); }
1012 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1014 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1015 snprintf(command, MSG_SIZ, "%s %s", p, params);
1018 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1019 ASSIGN(appData.chessProgram[i], p);
1020 appData.isUCI[i] = isUCI;
1021 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1022 appData.hasOwnBookUCI[i] = hasBook;
1023 if(!nickName[0]) useNick = FALSE;
1024 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1028 q = firstChessProgramNames;
1029 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1030 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1031 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1032 quote, p, quote, appData.directory[i],
1033 useNick ? " -fn \"" : "",
1034 useNick ? nickName : "",
1035 useNick ? "\"" : "",
1036 v1 ? " -firstProtocolVersion 1" : "",
1037 hasBook ? "" : " -fNoOwnBookUCI",
1038 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1039 storeVariant ? " -variant " : "",
1040 storeVariant ? VariantName(gameInfo.variant) : "");
1041 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1042 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1043 if(insert != q) insert[-1] = NULLCHAR;
1044 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1046 FloatToFront(&appData.recentEngineList, buf);
1048 ReplaceEngine(cps, i);
1054 int matched, min, sec;
1056 * Parse timeControl resource
1058 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1059 appData.movesPerSession)) {
1061 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1062 DisplayFatalError(buf, 0, 2);
1066 * Parse searchTime resource
1068 if (*appData.searchTime != NULLCHAR) {
1069 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1071 searchTime = min * 60;
1072 } else if (matched == 2) {
1073 searchTime = min * 60 + sec;
1076 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1077 DisplayFatalError(buf, 0, 2);
1086 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1087 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1089 GetTimeMark(&programStartTime);
1090 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1091 appData.seedBase = random() + (random()<<15);
1092 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1094 ClearProgramStats();
1095 programStats.ok_to_send = 1;
1096 programStats.seen_stat = 0;
1099 * Initialize game list
1105 * Internet chess server status
1107 if (appData.icsActive) {
1108 appData.matchMode = FALSE;
1109 appData.matchGames = 0;
1111 appData.noChessProgram = !appData.zippyPlay;
1113 appData.zippyPlay = FALSE;
1114 appData.zippyTalk = FALSE;
1115 appData.noChessProgram = TRUE;
1117 if (*appData.icsHelper != NULLCHAR) {
1118 appData.useTelnet = TRUE;
1119 appData.telnetProgram = appData.icsHelper;
1122 appData.zippyTalk = appData.zippyPlay = FALSE;
1125 /* [AS] Initialize pv info list [HGM] and game state */
1129 for( i=0; i<=framePtr; i++ ) {
1130 pvInfoList[i].depth = -1;
1131 boards[i][EP_STATUS] = EP_NONE;
1132 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1138 /* [AS] Adjudication threshold */
1139 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1141 InitEngine(&first, 0);
1142 InitEngine(&second, 1);
1145 pairing.which = "pairing"; // pairing engine
1146 pairing.pr = NoProc;
1148 pairing.program = appData.pairingEngine;
1149 pairing.host = "localhost";
1152 if (appData.icsActive) {
1153 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1154 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1155 appData.clockMode = FALSE;
1156 first.sendTime = second.sendTime = 0;
1160 /* Override some settings from environment variables, for backward
1161 compatibility. Unfortunately it's not feasible to have the env
1162 vars just set defaults, at least in xboard. Ugh.
1164 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1169 if (!appData.icsActive) {
1173 /* Check for variants that are supported only in ICS mode,
1174 or not at all. Some that are accepted here nevertheless
1175 have bugs; see comments below.
1177 VariantClass variant = StringToVariant(appData.variant);
1179 case VariantBughouse: /* need four players and two boards */
1180 case VariantKriegspiel: /* need to hide pieces and move details */
1181 /* case VariantFischeRandom: (Fabien: moved below) */
1182 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1183 if( (len >= MSG_SIZ) && appData.debugMode )
1184 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1186 DisplayFatalError(buf, 0, 2);
1189 case VariantUnknown:
1190 case VariantLoadable:
1200 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1201 if( (len >= MSG_SIZ) && appData.debugMode )
1202 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1204 DisplayFatalError(buf, 0, 2);
1207 case VariantNormal: /* definitely works! */
1208 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1209 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1212 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1213 case VariantFairy: /* [HGM] TestLegality definitely off! */
1214 case VariantGothic: /* [HGM] should work */
1215 case VariantCapablanca: /* [HGM] should work */
1216 case VariantCourier: /* [HGM] initial forced moves not implemented */
1217 case VariantShogi: /* [HGM] could still mate with pawn drop */
1218 case VariantChu: /* [HGM] experimental */
1219 case VariantKnightmate: /* [HGM] should work */
1220 case VariantCylinder: /* [HGM] untested */
1221 case VariantFalcon: /* [HGM] untested */
1222 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1223 offboard interposition not understood */
1224 case VariantWildCastle: /* pieces not automatically shuffled */
1225 case VariantNoCastle: /* pieces not automatically shuffled */
1226 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1227 case VariantLosers: /* should work except for win condition,
1228 and doesn't know captures are mandatory */
1229 case VariantSuicide: /* should work except for win condition,
1230 and doesn't know captures are mandatory */
1231 case VariantGiveaway: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantTwoKings: /* should work */
1234 case VariantAtomic: /* should work except for win condition */
1235 case Variant3Check: /* should work except for win condition */
1236 case VariantShatranj: /* should work except for all win conditions */
1237 case VariantMakruk: /* should work except for draw countdown */
1238 case VariantASEAN : /* should work except for draw countdown */
1239 case VariantBerolina: /* might work if TestLegality is off */
1240 case VariantCapaRandom: /* should work */
1241 case VariantJanus: /* should work */
1242 case VariantSuper: /* experimental */
1243 case VariantGreat: /* experimental, requires legality testing to be off */
1244 case VariantSChess: /* S-Chess, should work */
1245 case VariantGrand: /* should work */
1246 case VariantSpartan: /* should work */
1247 case VariantLion: /* should work */
1248 case VariantChuChess: /* should work */
1256 NextIntegerFromString (char ** str, long * value)
1261 while( *s == ' ' || *s == '\t' ) {
1267 if( *s >= '0' && *s <= '9' ) {
1268 while( *s >= '0' && *s <= '9' ) {
1269 *value = *value * 10 + (*s - '0');
1282 NextTimeControlFromString (char ** str, long * value)
1285 int result = NextIntegerFromString( str, &temp );
1288 *value = temp * 60; /* Minutes */
1289 if( **str == ':' ) {
1291 result = NextIntegerFromString( str, &temp );
1292 *value += temp; /* Seconds */
1300 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1301 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1302 int result = -1, type = 0; long temp, temp2;
1304 if(**str != ':') return -1; // old params remain in force!
1306 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1307 if( NextIntegerFromString( str, &temp ) ) return -1;
1308 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1311 /* time only: incremental or sudden-death time control */
1312 if(**str == '+') { /* increment follows; read it */
1314 if(**str == '!') type = *(*str)++; // Bronstein TC
1315 if(result = NextIntegerFromString( str, &temp2)) return -1;
1316 *inc = temp2 * 1000;
1317 if(**str == '.') { // read fraction of increment
1318 char *start = ++(*str);
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1321 while(start++ < *str) temp2 /= 10;
1325 *moves = 0; *tc = temp * 1000; *incType = type;
1329 (*str)++; /* classical time control */
1330 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1342 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1343 { /* [HGM] get time to add from the multi-session time-control string */
1344 int incType, moves=1; /* kludge to force reading of first session */
1345 long time, increment;
1348 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1350 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1351 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1352 if(movenr == -1) return time; /* last move before new session */
1353 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1354 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1355 if(!moves) return increment; /* current session is incremental */
1356 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1357 } while(movenr >= -1); /* try again for next session */
1359 return 0; // no new time quota on this move
1363 ParseTimeControl (char *tc, float ti, int mps)
1367 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1370 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1371 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1372 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1376 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1378 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1381 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1383 snprintf(buf, MSG_SIZ, ":%s", mytc);
1385 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1387 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1392 /* Parse second time control */
1395 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1403 timeControl_2 = tc2 * 1000;
1413 timeControl = tc1 * 1000;
1416 timeIncrement = ti * 1000; /* convert to ms */
1417 movesPerSession = 0;
1420 movesPerSession = mps;
1428 if (appData.debugMode) {
1429 # ifdef __GIT_VERSION
1430 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1432 fprintf(debugFP, "Version: %s\n", programVersion);
1435 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1437 set_cont_sequence(appData.wrapContSeq);
1438 if (appData.matchGames > 0) {
1439 appData.matchMode = TRUE;
1440 } else if (appData.matchMode) {
1441 appData.matchGames = 1;
1443 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1444 appData.matchGames = appData.sameColorGames;
1445 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1446 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1447 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1450 if (appData.noChessProgram || first.protocolVersion == 1) {
1453 /* kludge: allow timeout for initial "feature" commands */
1455 DisplayMessage("", _("Starting chess program"));
1456 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1461 CalculateIndex (int index, int gameNr)
1462 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1464 if(index > 0) return index; // fixed nmber
1465 if(index == 0) return 1;
1466 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1467 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1472 LoadGameOrPosition (int gameNr)
1473 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1474 if (*appData.loadGameFile != NULLCHAR) {
1475 if (!LoadGameFromFile(appData.loadGameFile,
1476 CalculateIndex(appData.loadGameIndex, gameNr),
1477 appData.loadGameFile, FALSE)) {
1478 DisplayFatalError(_("Bad game file"), 0, 1);
1481 } else if (*appData.loadPositionFile != NULLCHAR) {
1482 if (!LoadPositionFromFile(appData.loadPositionFile,
1483 CalculateIndex(appData.loadPositionIndex, gameNr),
1484 appData.loadPositionFile)) {
1485 DisplayFatalError(_("Bad position file"), 0, 1);
1493 ReserveGame (int gameNr, char resChar)
1495 FILE *tf = fopen(appData.tourneyFile, "r+");
1496 char *p, *q, c, buf[MSG_SIZ];
1497 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1498 safeStrCpy(buf, lastMsg, MSG_SIZ);
1499 DisplayMessage(_("Pick new game"), "");
1500 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1501 ParseArgsFromFile(tf);
1502 p = q = appData.results;
1503 if(appData.debugMode) {
1504 char *r = appData.participants;
1505 fprintf(debugFP, "results = '%s'\n", p);
1506 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1507 fprintf(debugFP, "\n");
1509 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1511 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1512 safeStrCpy(q, p, strlen(p) + 2);
1513 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1514 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1515 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1516 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1519 fseek(tf, -(strlen(p)+4), SEEK_END);
1521 if(c != '"') // depending on DOS or Unix line endings we can be one off
1522 fseek(tf, -(strlen(p)+2), SEEK_END);
1523 else fseek(tf, -(strlen(p)+3), SEEK_END);
1524 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1525 DisplayMessage(buf, "");
1526 free(p); appData.results = q;
1527 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1528 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1529 int round = appData.defaultMatchGames * appData.tourneyType;
1530 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1531 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1532 UnloadEngine(&first); // next game belongs to other pairing;
1533 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1535 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1539 MatchEvent (int mode)
1540 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1542 if(matchMode) { // already in match mode: switch it off
1544 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1547 // if(gameMode != BeginningOfGame) {
1548 // DisplayError(_("You can only start a match from the initial position."), 0);
1552 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1553 /* Set up machine vs. machine match */
1555 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1556 if(appData.tourneyFile[0]) {
1558 if(nextGame > appData.matchGames) {
1560 if(strchr(appData.results, '*') == NULL) {
1562 appData.tourneyCycles++;
1563 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1565 NextTourneyGame(-1, &dummy);
1567 if(nextGame <= appData.matchGames) {
1568 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1570 ScheduleDelayedEvent(NextMatchGame, 10000);
1575 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1576 DisplayError(buf, 0);
1577 appData.tourneyFile[0] = 0;
1581 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1582 DisplayFatalError(_("Can't have a match with no chess programs"),
1587 matchGame = roundNr = 1;
1588 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1592 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1595 InitBackEnd3 P((void))
1597 GameMode initialMode;
1601 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1602 !strcmp(appData.variant, "normal") && // no explicit variant request
1603 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1604 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1605 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1606 char c, *q = first.variants, *p = strchr(q, ',');
1607 if(p) *p = NULLCHAR;
1608 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1610 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1611 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1612 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1613 Reset(TRUE, FALSE); // and re-initialize
1618 InitChessProgram(&first, startedFromSetupPosition);
1620 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1621 free(programVersion);
1622 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1623 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1624 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1627 if (appData.icsActive) {
1629 /* [DM] Make a console window if needed [HGM] merged ifs */
1635 if (*appData.icsCommPort != NULLCHAR)
1636 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1637 appData.icsCommPort);
1639 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1640 appData.icsHost, appData.icsPort);
1642 if( (len >= MSG_SIZ) && appData.debugMode )
1643 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1645 DisplayFatalError(buf, err, 1);
1650 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1652 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1653 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1654 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1655 } else if (appData.noChessProgram) {
1661 if (*appData.cmailGameName != NULLCHAR) {
1663 OpenLoopback(&cmailPR);
1665 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1669 DisplayMessage("", "");
1670 if (StrCaseCmp(appData.initialMode, "") == 0) {
1671 initialMode = BeginningOfGame;
1672 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1673 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1674 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1675 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1678 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1679 initialMode = TwoMachinesPlay;
1680 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1681 initialMode = AnalyzeFile;
1682 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1683 initialMode = AnalyzeMode;
1684 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1685 initialMode = MachinePlaysWhite;
1686 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1687 initialMode = MachinePlaysBlack;
1688 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1689 initialMode = EditGame;
1690 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1691 initialMode = EditPosition;
1692 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1693 initialMode = Training;
1695 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1696 if( (len >= MSG_SIZ) && appData.debugMode )
1697 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1699 DisplayFatalError(buf, 0, 2);
1703 if (appData.matchMode) {
1704 if(appData.tourneyFile[0]) { // start tourney from command line
1706 if(f = fopen(appData.tourneyFile, "r")) {
1707 ParseArgsFromFile(f); // make sure tourney parmeters re known
1709 appData.clockMode = TRUE;
1711 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1714 } else if (*appData.cmailGameName != NULLCHAR) {
1715 /* Set up cmail mode */
1716 ReloadCmailMsgEvent(TRUE);
1718 /* Set up other modes */
1719 if (initialMode == AnalyzeFile) {
1720 if (*appData.loadGameFile == NULLCHAR) {
1721 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1725 if (*appData.loadGameFile != NULLCHAR) {
1726 (void) LoadGameFromFile(appData.loadGameFile,
1727 appData.loadGameIndex,
1728 appData.loadGameFile, TRUE);
1729 } else if (*appData.loadPositionFile != NULLCHAR) {
1730 (void) LoadPositionFromFile(appData.loadPositionFile,
1731 appData.loadPositionIndex,
1732 appData.loadPositionFile);
1733 /* [HGM] try to make self-starting even after FEN load */
1734 /* to allow automatic setup of fairy variants with wtm */
1735 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1736 gameMode = BeginningOfGame;
1737 setboardSpoiledMachineBlack = 1;
1739 /* [HGM] loadPos: make that every new game uses the setup */
1740 /* from file as long as we do not switch variant */
1741 if(!blackPlaysFirst) {
1742 startedFromPositionFile = TRUE;
1743 CopyBoard(filePosition, boards[0]);
1744 CopyBoard(initialPosition, boards[0]);
1747 if (initialMode == AnalyzeMode) {
1748 if (appData.noChessProgram) {
1749 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1752 if (appData.icsActive) {
1753 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1757 } else if (initialMode == AnalyzeFile) {
1758 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1759 ShowThinkingEvent();
1761 AnalysisPeriodicEvent(1);
1762 } else if (initialMode == MachinePlaysWhite) {
1763 if (appData.noChessProgram) {
1764 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1768 if (appData.icsActive) {
1769 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1773 MachineWhiteEvent();
1774 } else if (initialMode == MachinePlaysBlack) {
1775 if (appData.noChessProgram) {
1776 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1780 if (appData.icsActive) {
1781 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1785 MachineBlackEvent();
1786 } else if (initialMode == TwoMachinesPlay) {
1787 if (appData.noChessProgram) {
1788 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1792 if (appData.icsActive) {
1793 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1798 } else if (initialMode == EditGame) {
1800 } else if (initialMode == EditPosition) {
1801 EditPositionEvent();
1802 } else if (initialMode == Training) {
1803 if (*appData.loadGameFile == NULLCHAR) {
1804 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1813 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1815 DisplayBook(current+1);
1817 MoveHistorySet( movelist, first, last, current, pvInfoList );
1819 EvalGraphSet( first, last, current, pvInfoList );
1821 MakeEngineOutputTitle();
1825 * Establish will establish a contact to a remote host.port.
1826 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1827 * used to talk to the host.
1828 * Returns 0 if okay, error code if not.
1835 if (*appData.icsCommPort != NULLCHAR) {
1836 /* Talk to the host through a serial comm port */
1837 return OpenCommPort(appData.icsCommPort, &icsPR);
1839 } else if (*appData.gateway != NULLCHAR) {
1840 if (*appData.remoteShell == NULLCHAR) {
1841 /* Use the rcmd protocol to run telnet program on a gateway host */
1842 snprintf(buf, sizeof(buf), "%s %s %s",
1843 appData.telnetProgram, appData.icsHost, appData.icsPort);
1844 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1847 /* Use the rsh program to run telnet program on a gateway host */
1848 if (*appData.remoteUser == NULLCHAR) {
1849 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1850 appData.gateway, appData.telnetProgram,
1851 appData.icsHost, appData.icsPort);
1853 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1854 appData.remoteShell, appData.gateway,
1855 appData.remoteUser, appData.telnetProgram,
1856 appData.icsHost, appData.icsPort);
1858 return StartChildProcess(buf, "", &icsPR);
1861 } else if (appData.useTelnet) {
1862 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1865 /* TCP socket interface differs somewhat between
1866 Unix and NT; handle details in the front end.
1868 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1873 EscapeExpand (char *p, char *q)
1874 { // [HGM] initstring: routine to shape up string arguments
1875 while(*p++ = *q++) if(p[-1] == '\\')
1877 case 'n': p[-1] = '\n'; break;
1878 case 'r': p[-1] = '\r'; break;
1879 case 't': p[-1] = '\t'; break;
1880 case '\\': p[-1] = '\\'; break;
1881 case 0: *p = 0; return;
1882 default: p[-1] = q[-1]; break;
1887 show_bytes (FILE *fp, char *buf, int count)
1890 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1891 fprintf(fp, "\\%03o", *buf & 0xff);
1900 /* Returns an errno value */
1902 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1904 char buf[8192], *p, *q, *buflim;
1905 int left, newcount, outcount;
1907 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1908 *appData.gateway != NULLCHAR) {
1909 if (appData.debugMode) {
1910 fprintf(debugFP, ">ICS: ");
1911 show_bytes(debugFP, message, count);
1912 fprintf(debugFP, "\n");
1914 return OutputToProcess(pr, message, count, outError);
1917 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1924 if (appData.debugMode) {
1925 fprintf(debugFP, ">ICS: ");
1926 show_bytes(debugFP, buf, newcount);
1927 fprintf(debugFP, "\n");
1929 outcount = OutputToProcess(pr, buf, newcount, outError);
1930 if (outcount < newcount) return -1; /* to be sure */
1937 } else if (((unsigned char) *p) == TN_IAC) {
1938 *q++ = (char) TN_IAC;
1945 if (appData.debugMode) {
1946 fprintf(debugFP, ">ICS: ");
1947 show_bytes(debugFP, buf, newcount);
1948 fprintf(debugFP, "\n");
1950 outcount = OutputToProcess(pr, buf, newcount, outError);
1951 if (outcount < newcount) return -1; /* to be sure */
1956 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1958 int outError, outCount;
1959 static int gotEof = 0;
1962 /* Pass data read from player on to ICS */
1965 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1966 if (outCount < count) {
1967 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1969 if(have_sent_ICS_logon == 2) {
1970 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1971 fprintf(ini, "%s", message);
1972 have_sent_ICS_logon = 3;
1974 have_sent_ICS_logon = 1;
1975 } else if(have_sent_ICS_logon == 3) {
1976 fprintf(ini, "%s", message);
1978 have_sent_ICS_logon = 1;
1980 } else if (count < 0) {
1981 RemoveInputSource(isr);
1982 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1983 } else if (gotEof++ > 0) {
1984 RemoveInputSource(isr);
1985 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1991 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1992 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1993 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1994 SendToICS("date\n");
1995 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1998 /* added routine for printf style output to ics */
2000 ics_printf (char *format, ...)
2002 char buffer[MSG_SIZ];
2005 va_start(args, format);
2006 vsnprintf(buffer, sizeof(buffer), format, args);
2007 buffer[sizeof(buffer)-1] = '\0';
2015 int count, outCount, outError;
2017 if (icsPR == NoProc) return;
2020 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2021 if (outCount < count) {
2022 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 /* This is used for sending logon scripts to the ICS. Sending
2027 without a delay causes problems when using timestamp on ICC
2028 (at least on my machine). */
2030 SendToICSDelayed (char *s, long msdelay)
2032 int count, outCount, outError;
2034 if (icsPR == NoProc) return;
2037 if (appData.debugMode) {
2038 fprintf(debugFP, ">ICS: ");
2039 show_bytes(debugFP, s, count);
2040 fprintf(debugFP, "\n");
2042 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2044 if (outCount < count) {
2045 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2050 /* Remove all highlighting escape sequences in s
2051 Also deletes any suffix starting with '('
2054 StripHighlightAndTitle (char *s)
2056 static char retbuf[MSG_SIZ];
2059 while (*s != NULLCHAR) {
2060 while (*s == '\033') {
2061 while (*s != NULLCHAR && !isalpha(*s)) s++;
2062 if (*s != NULLCHAR) s++;
2064 while (*s != NULLCHAR && *s != '\033') {
2065 if (*s == '(' || *s == '[') {
2076 /* Remove all highlighting escape sequences in s */
2078 StripHighlight (char *s)
2080 static char retbuf[MSG_SIZ];
2083 while (*s != NULLCHAR) {
2084 while (*s == '\033') {
2085 while (*s != NULLCHAR && !isalpha(*s)) s++;
2086 if (*s != NULLCHAR) s++;
2088 while (*s != NULLCHAR && *s != '\033') {
2096 char engineVariant[MSG_SIZ];
2097 char *variantNames[] = VARIANT_NAMES;
2099 VariantName (VariantClass v)
2101 if(v == VariantUnknown || *engineVariant) return engineVariant;
2102 return variantNames[v];
2106 /* Identify a variant from the strings the chess servers use or the
2107 PGN Variant tag names we use. */
2109 StringToVariant (char *e)
2113 VariantClass v = VariantNormal;
2114 int i, found = FALSE;
2115 char buf[MSG_SIZ], c;
2120 /* [HGM] skip over optional board-size prefixes */
2121 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2122 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2123 while( *e++ != '_');
2126 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2130 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2131 if (p = StrCaseStr(e, variantNames[i])) {
2132 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2133 v = (VariantClass) i;
2140 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2141 || StrCaseStr(e, "wild/fr")
2142 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2143 v = VariantFischeRandom;
2144 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2145 (i = 1, p = StrCaseStr(e, "w"))) {
2147 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2154 case 0: /* FICS only, actually */
2156 /* Castling legal even if K starts on d-file */
2157 v = VariantWildCastle;
2162 /* Castling illegal even if K & R happen to start in
2163 normal positions. */
2164 v = VariantNoCastle;
2177 /* Castling legal iff K & R start in normal positions */
2183 /* Special wilds for position setup; unclear what to do here */
2184 v = VariantLoadable;
2187 /* Bizarre ICC game */
2188 v = VariantTwoKings;
2191 v = VariantKriegspiel;
2197 v = VariantFischeRandom;
2200 v = VariantCrazyhouse;
2203 v = VariantBughouse;
2209 /* Not quite the same as FICS suicide! */
2210 v = VariantGiveaway;
2216 v = VariantShatranj;
2219 /* Temporary names for future ICC types. The name *will* change in
2220 the next xboard/WinBoard release after ICC defines it. */
2258 v = VariantCapablanca;
2261 v = VariantKnightmate;
2267 v = VariantCylinder;
2273 v = VariantCapaRandom;
2276 v = VariantBerolina;
2288 /* Found "wild" or "w" in the string but no number;
2289 must assume it's normal chess. */
2293 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2294 if( (len >= MSG_SIZ) && appData.debugMode )
2295 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2297 DisplayError(buf, 0);
2303 if (appData.debugMode) {
2304 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2305 e, wnum, VariantName(v));
2310 static int leftover_start = 0, leftover_len = 0;
2311 char star_match[STAR_MATCH_N][MSG_SIZ];
2313 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2314 advance *index beyond it, and set leftover_start to the new value of
2315 *index; else return FALSE. If pattern contains the character '*', it
2316 matches any sequence of characters not containing '\r', '\n', or the
2317 character following the '*' (if any), and the matched sequence(s) are
2318 copied into star_match.
2321 looking_at ( char *buf, int *index, char *pattern)
2323 char *bufp = &buf[*index], *patternp = pattern;
2325 char *matchp = star_match[0];
2328 if (*patternp == NULLCHAR) {
2329 *index = leftover_start = bufp - buf;
2333 if (*bufp == NULLCHAR) return FALSE;
2334 if (*patternp == '*') {
2335 if (*bufp == *(patternp + 1)) {
2337 matchp = star_match[++star_count];
2341 } else if (*bufp == '\n' || *bufp == '\r') {
2343 if (*patternp == NULLCHAR)
2348 *matchp++ = *bufp++;
2352 if (*patternp != *bufp) return FALSE;
2359 SendToPlayer (char *data, int length)
2361 int error, outCount;
2362 outCount = OutputToProcess(NoProc, data, length, &error);
2363 if (outCount < length) {
2364 DisplayFatalError(_("Error writing to display"), error, 1);
2369 PackHolding (char packed[], char *holding)
2379 switch (runlength) {
2390 sprintf(q, "%d", runlength);
2402 /* Telnet protocol requests from the front end */
2404 TelnetRequest (unsigned char ddww, unsigned char option)
2406 unsigned char msg[3];
2407 int outCount, outError;
2409 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2411 if (appData.debugMode) {
2412 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2428 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2437 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2440 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2445 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2447 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2454 if (!appData.icsActive) return;
2455 TelnetRequest(TN_DO, TN_ECHO);
2461 if (!appData.icsActive) return;
2462 TelnetRequest(TN_DONT, TN_ECHO);
2466 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2468 /* put the holdings sent to us by the server on the board holdings area */
2469 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2473 if(gameInfo.holdingsWidth < 2) return;
2474 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2475 return; // prevent overwriting by pre-board holdings
2477 if( (int)lowestPiece >= BlackPawn ) {
2480 holdingsStartRow = BOARD_HEIGHT-1;
2483 holdingsColumn = BOARD_WIDTH-1;
2484 countsColumn = BOARD_WIDTH-2;
2485 holdingsStartRow = 0;
2489 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2490 board[i][holdingsColumn] = EmptySquare;
2491 board[i][countsColumn] = (ChessSquare) 0;
2493 while( (p=*holdings++) != NULLCHAR ) {
2494 piece = CharToPiece( ToUpper(p) );
2495 if(piece == EmptySquare) continue;
2496 /*j = (int) piece - (int) WhitePawn;*/
2497 j = PieceToNumber(piece);
2498 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2499 if(j < 0) continue; /* should not happen */
2500 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2501 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2502 board[holdingsStartRow+j*direction][countsColumn]++;
2508 VariantSwitch (Board board, VariantClass newVariant)
2510 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2511 static Board oldBoard;
2513 startedFromPositionFile = FALSE;
2514 if(gameInfo.variant == newVariant) return;
2516 /* [HGM] This routine is called each time an assignment is made to
2517 * gameInfo.variant during a game, to make sure the board sizes
2518 * are set to match the new variant. If that means adding or deleting
2519 * holdings, we shift the playing board accordingly
2520 * This kludge is needed because in ICS observe mode, we get boards
2521 * of an ongoing game without knowing the variant, and learn about the
2522 * latter only later. This can be because of the move list we requested,
2523 * in which case the game history is refilled from the beginning anyway,
2524 * but also when receiving holdings of a crazyhouse game. In the latter
2525 * case we want to add those holdings to the already received position.
2529 if (appData.debugMode) {
2530 fprintf(debugFP, "Switch board from %s to %s\n",
2531 VariantName(gameInfo.variant), VariantName(newVariant));
2532 setbuf(debugFP, NULL);
2534 shuffleOpenings = 0; /* [HGM] shuffle */
2535 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2539 newWidth = 9; newHeight = 9;
2540 gameInfo.holdingsSize = 7;
2541 case VariantBughouse:
2542 case VariantCrazyhouse:
2543 newHoldingsWidth = 2; break;
2547 newHoldingsWidth = 2;
2548 gameInfo.holdingsSize = 8;
2551 case VariantCapablanca:
2552 case VariantCapaRandom:
2555 newHoldingsWidth = gameInfo.holdingsSize = 0;
2558 if(newWidth != gameInfo.boardWidth ||
2559 newHeight != gameInfo.boardHeight ||
2560 newHoldingsWidth != gameInfo.holdingsWidth ) {
2562 /* shift position to new playing area, if needed */
2563 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2564 for(i=0; i<BOARD_HEIGHT; i++)
2565 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2566 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2568 for(i=0; i<newHeight; i++) {
2569 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2570 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2572 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2573 for(i=0; i<BOARD_HEIGHT; i++)
2574 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2575 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2578 board[HOLDINGS_SET] = 0;
2579 gameInfo.boardWidth = newWidth;
2580 gameInfo.boardHeight = newHeight;
2581 gameInfo.holdingsWidth = newHoldingsWidth;
2582 gameInfo.variant = newVariant;
2583 InitDrawingSizes(-2, 0);
2584 } else gameInfo.variant = newVariant;
2585 CopyBoard(oldBoard, board); // remember correctly formatted board
2586 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2587 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2590 static int loggedOn = FALSE;
2592 /*-- Game start info cache: --*/
2594 char gs_kind[MSG_SIZ];
2595 static char player1Name[128] = "";
2596 static char player2Name[128] = "";
2597 static char cont_seq[] = "\n\\ ";
2598 static int player1Rating = -1;
2599 static int player2Rating = -1;
2600 /*----------------------------*/
2602 ColorClass curColor = ColorNormal;
2603 int suppressKibitz = 0;
2606 Boolean soughtPending = FALSE;
2607 Boolean seekGraphUp;
2608 #define MAX_SEEK_ADS 200
2610 char *seekAdList[MAX_SEEK_ADS];
2611 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2612 float tcList[MAX_SEEK_ADS];
2613 char colorList[MAX_SEEK_ADS];
2614 int nrOfSeekAds = 0;
2615 int minRating = 1010, maxRating = 2800;
2616 int hMargin = 10, vMargin = 20, h, w;
2617 extern int squareSize, lineGap;
2622 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2623 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2624 if(r < minRating+100 && r >=0 ) r = minRating+100;
2625 if(r > maxRating) r = maxRating;
2626 if(tc < 1.f) tc = 1.f;
2627 if(tc > 95.f) tc = 95.f;
2628 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2629 y = ((double)r - minRating)/(maxRating - minRating)
2630 * (h-vMargin-squareSize/8-1) + vMargin;
2631 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2632 if(strstr(seekAdList[i], " u ")) color = 1;
2633 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2634 !strstr(seekAdList[i], "bullet") &&
2635 !strstr(seekAdList[i], "blitz") &&
2636 !strstr(seekAdList[i], "standard") ) color = 2;
2637 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2638 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2642 PlotSingleSeekAd (int i)
2648 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2650 char buf[MSG_SIZ], *ext = "";
2651 VariantClass v = StringToVariant(type);
2652 if(strstr(type, "wild")) {
2653 ext = type + 4; // append wild number
2654 if(v == VariantFischeRandom) type = "chess960"; else
2655 if(v == VariantLoadable) type = "setup"; else
2656 type = VariantName(v);
2658 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2659 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2660 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2661 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2662 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2663 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2664 seekNrList[nrOfSeekAds] = nr;
2665 zList[nrOfSeekAds] = 0;
2666 seekAdList[nrOfSeekAds++] = StrSave(buf);
2667 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2672 EraseSeekDot (int i)
2674 int x = xList[i], y = yList[i], d=squareSize/4, k;
2675 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2676 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2677 // now replot every dot that overlapped
2678 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2679 int xx = xList[k], yy = yList[k];
2680 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2681 DrawSeekDot(xx, yy, colorList[k]);
2686 RemoveSeekAd (int nr)
2689 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2691 if(seekAdList[i]) free(seekAdList[i]);
2692 seekAdList[i] = seekAdList[--nrOfSeekAds];
2693 seekNrList[i] = seekNrList[nrOfSeekAds];
2694 ratingList[i] = ratingList[nrOfSeekAds];
2695 colorList[i] = colorList[nrOfSeekAds];
2696 tcList[i] = tcList[nrOfSeekAds];
2697 xList[i] = xList[nrOfSeekAds];
2698 yList[i] = yList[nrOfSeekAds];
2699 zList[i] = zList[nrOfSeekAds];
2700 seekAdList[nrOfSeekAds] = NULL;
2706 MatchSoughtLine (char *line)
2708 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2709 int nr, base, inc, u=0; char dummy;
2711 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2712 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2714 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2715 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2716 // match: compact and save the line
2717 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2727 if(!seekGraphUp) return FALSE;
2728 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2729 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2731 DrawSeekBackground(0, 0, w, h);
2732 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2733 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2734 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2735 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2737 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2740 snprintf(buf, MSG_SIZ, "%d", i);
2741 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2744 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2745 for(i=1; i<100; i+=(i<10?1:5)) {
2746 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2747 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2748 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2750 snprintf(buf, MSG_SIZ, "%d", i);
2751 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2754 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2759 SeekGraphClick (ClickType click, int x, int y, int moving)
2761 static int lastDown = 0, displayed = 0, lastSecond;
2762 if(y < 0) return FALSE;
2763 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2764 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2765 if(!seekGraphUp) return FALSE;
2766 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2767 DrawPosition(TRUE, NULL);
2770 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2771 if(click == Release || moving) return FALSE;
2773 soughtPending = TRUE;
2774 SendToICS(ics_prefix);
2775 SendToICS("sought\n"); // should this be "sought all"?
2776 } else { // issue challenge based on clicked ad
2777 int dist = 10000; int i, closest = 0, second = 0;
2778 for(i=0; i<nrOfSeekAds; i++) {
2779 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2780 if(d < dist) { dist = d; closest = i; }
2781 second += (d - zList[i] < 120); // count in-range ads
2782 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2786 second = (second > 1);
2787 if(displayed != closest || second != lastSecond) {
2788 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2789 lastSecond = second; displayed = closest;
2791 if(click == Press) {
2792 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2795 } // on press 'hit', only show info
2796 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2797 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2798 SendToICS(ics_prefix);
2800 return TRUE; // let incoming board of started game pop down the graph
2801 } else if(click == Release) { // release 'miss' is ignored
2802 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2803 if(moving == 2) { // right up-click
2804 nrOfSeekAds = 0; // refresh graph
2805 soughtPending = TRUE;
2806 SendToICS(ics_prefix);
2807 SendToICS("sought\n"); // should this be "sought all"?
2810 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2811 // press miss or release hit 'pop down' seek graph
2812 seekGraphUp = FALSE;
2813 DrawPosition(TRUE, NULL);
2819 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2821 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2822 #define STARTED_NONE 0
2823 #define STARTED_MOVES 1
2824 #define STARTED_BOARD 2
2825 #define STARTED_OBSERVE 3
2826 #define STARTED_HOLDINGS 4
2827 #define STARTED_CHATTER 5
2828 #define STARTED_COMMENT 6
2829 #define STARTED_MOVES_NOHIDE 7
2831 static int started = STARTED_NONE;
2832 static char parse[20000];
2833 static int parse_pos = 0;
2834 static char buf[BUF_SIZE + 1];
2835 static int firstTime = TRUE, intfSet = FALSE;
2836 static ColorClass prevColor = ColorNormal;
2837 static int savingComment = FALSE;
2838 static int cmatch = 0; // continuation sequence match
2845 int backup; /* [DM] For zippy color lines */
2847 char talker[MSG_SIZ]; // [HGM] chat
2848 int channel, collective=0;
2850 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2852 if (appData.debugMode) {
2854 fprintf(debugFP, "<ICS: ");
2855 show_bytes(debugFP, data, count);
2856 fprintf(debugFP, "\n");
2860 if (appData.debugMode) { int f = forwardMostMove;
2861 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2862 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2863 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2866 /* If last read ended with a partial line that we couldn't parse,
2867 prepend it to the new read and try again. */
2868 if (leftover_len > 0) {
2869 for (i=0; i<leftover_len; i++)
2870 buf[i] = buf[leftover_start + i];
2873 /* copy new characters into the buffer */
2874 bp = buf + leftover_len;
2875 buf_len=leftover_len;
2876 for (i=0; i<count; i++)
2879 if (data[i] == '\r')
2882 // join lines split by ICS?
2883 if (!appData.noJoin)
2886 Joining just consists of finding matches against the
2887 continuation sequence, and discarding that sequence
2888 if found instead of copying it. So, until a match
2889 fails, there's nothing to do since it might be the
2890 complete sequence, and thus, something we don't want
2893 if (data[i] == cont_seq[cmatch])
2896 if (cmatch == strlen(cont_seq))
2898 cmatch = 0; // complete match. just reset the counter
2901 it's possible for the ICS to not include the space
2902 at the end of the last word, making our [correct]
2903 join operation fuse two separate words. the server
2904 does this when the space occurs at the width setting.
2906 if (!buf_len || buf[buf_len-1] != ' ')
2917 match failed, so we have to copy what matched before
2918 falling through and copying this character. In reality,
2919 this will only ever be just the newline character, but
2920 it doesn't hurt to be precise.
2922 strncpy(bp, cont_seq, cmatch);
2934 buf[buf_len] = NULLCHAR;
2935 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2940 while (i < buf_len) {
2941 /* Deal with part of the TELNET option negotiation
2942 protocol. We refuse to do anything beyond the
2943 defaults, except that we allow the WILL ECHO option,
2944 which ICS uses to turn off password echoing when we are
2945 directly connected to it. We reject this option
2946 if localLineEditing mode is on (always on in xboard)
2947 and we are talking to port 23, which might be a real
2948 telnet server that will try to keep WILL ECHO on permanently.
2950 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2951 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2952 unsigned char option;
2954 switch ((unsigned char) buf[++i]) {
2956 if (appData.debugMode)
2957 fprintf(debugFP, "\n<WILL ");
2958 switch (option = (unsigned char) buf[++i]) {
2960 if (appData.debugMode)
2961 fprintf(debugFP, "ECHO ");
2962 /* Reply only if this is a change, according
2963 to the protocol rules. */
2964 if (remoteEchoOption) break;
2965 if (appData.localLineEditing &&
2966 atoi(appData.icsPort) == TN_PORT) {
2967 TelnetRequest(TN_DONT, TN_ECHO);
2970 TelnetRequest(TN_DO, TN_ECHO);
2971 remoteEchoOption = TRUE;
2975 if (appData.debugMode)
2976 fprintf(debugFP, "%d ", option);
2977 /* Whatever this is, we don't want it. */
2978 TelnetRequest(TN_DONT, option);
2983 if (appData.debugMode)
2984 fprintf(debugFP, "\n<WONT ");
2985 switch (option = (unsigned char) buf[++i]) {
2987 if (appData.debugMode)
2988 fprintf(debugFP, "ECHO ");
2989 /* Reply only if this is a change, according
2990 to the protocol rules. */
2991 if (!remoteEchoOption) break;
2993 TelnetRequest(TN_DONT, TN_ECHO);
2994 remoteEchoOption = FALSE;
2997 if (appData.debugMode)
2998 fprintf(debugFP, "%d ", (unsigned char) option);
2999 /* Whatever this is, it must already be turned
3000 off, because we never agree to turn on
3001 anything non-default, so according to the
3002 protocol rules, we don't reply. */
3007 if (appData.debugMode)
3008 fprintf(debugFP, "\n<DO ");
3009 switch (option = (unsigned char) buf[++i]) {
3011 /* Whatever this is, we refuse to do it. */
3012 if (appData.debugMode)
3013 fprintf(debugFP, "%d ", option);
3014 TelnetRequest(TN_WONT, option);
3019 if (appData.debugMode)
3020 fprintf(debugFP, "\n<DONT ");
3021 switch (option = (unsigned char) buf[++i]) {
3023 if (appData.debugMode)
3024 fprintf(debugFP, "%d ", option);
3025 /* Whatever this is, we are already not doing
3026 it, because we never agree to do anything
3027 non-default, so according to the protocol
3028 rules, we don't reply. */
3033 if (appData.debugMode)
3034 fprintf(debugFP, "\n<IAC ");
3035 /* Doubled IAC; pass it through */
3039 if (appData.debugMode)
3040 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3041 /* Drop all other telnet commands on the floor */
3044 if (oldi > next_out)
3045 SendToPlayer(&buf[next_out], oldi - next_out);
3051 /* OK, this at least will *usually* work */
3052 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3056 if (loggedOn && !intfSet) {
3057 if (ics_type == ICS_ICC) {
3058 snprintf(str, MSG_SIZ,
3059 "/set-quietly interface %s\n/set-quietly style 12\n",
3061 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3062 strcat(str, "/set-2 51 1\n/set seek 1\n");
3063 } else if (ics_type == ICS_CHESSNET) {
3064 snprintf(str, MSG_SIZ, "/style 12\n");
3066 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3067 strcat(str, programVersion);
3068 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3072 strcat(str, "$iset nohighlight 1\n");
3074 strcat(str, "$iset lock 1\n$style 12\n");
3077 NotifyFrontendLogin();
3081 if (started == STARTED_COMMENT) {
3082 /* Accumulate characters in comment */
3083 parse[parse_pos++] = buf[i];
3084 if (buf[i] == '\n') {
3085 parse[parse_pos] = NULLCHAR;
3086 if(chattingPartner>=0) {
3088 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3089 OutputChatMessage(chattingPartner, mess);
3090 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3092 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3093 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3094 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3095 OutputChatMessage(p, mess);
3099 chattingPartner = -1;
3100 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3103 if(!suppressKibitz) // [HGM] kibitz
3104 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3105 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3106 int nrDigit = 0, nrAlph = 0, j;
3107 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3108 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3109 parse[parse_pos] = NULLCHAR;
3110 // try to be smart: if it does not look like search info, it should go to
3111 // ICS interaction window after all, not to engine-output window.
3112 for(j=0; j<parse_pos; j++) { // count letters and digits
3113 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3114 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3115 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3117 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3118 int depth=0; float score;
3119 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3120 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3121 pvInfoList[forwardMostMove-1].depth = depth;
3122 pvInfoList[forwardMostMove-1].score = 100*score;
3124 OutputKibitz(suppressKibitz, parse);
3127 if(gameMode == IcsObserving) // restore original ICS messages
3128 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3129 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3131 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3132 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3133 SendToPlayer(tmp, strlen(tmp));
3135 next_out = i+1; // [HGM] suppress printing in ICS window
3137 started = STARTED_NONE;
3139 /* Don't match patterns against characters in comment */
3144 if (started == STARTED_CHATTER) {
3145 if (buf[i] != '\n') {
3146 /* Don't match patterns against characters in chatter */
3150 started = STARTED_NONE;
3151 if(suppressKibitz) next_out = i+1;
3154 /* Kludge to deal with rcmd protocol */
3155 if (firstTime && looking_at(buf, &i, "\001*")) {
3156 DisplayFatalError(&buf[1], 0, 1);
3162 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3165 if (appData.debugMode)
3166 fprintf(debugFP, "ics_type %d\n", ics_type);
3169 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3170 ics_type = ICS_FICS;
3172 if (appData.debugMode)
3173 fprintf(debugFP, "ics_type %d\n", ics_type);
3176 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3177 ics_type = ICS_CHESSNET;
3179 if (appData.debugMode)
3180 fprintf(debugFP, "ics_type %d\n", ics_type);
3185 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3186 looking_at(buf, &i, "Logging you in as \"*\"") ||
3187 looking_at(buf, &i, "will be \"*\""))) {
3188 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3192 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3194 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3195 DisplayIcsInteractionTitle(buf);
3196 have_set_title = TRUE;
3199 /* skip finger notes */
3200 if (started == STARTED_NONE &&
3201 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3202 (buf[i] == '1' && buf[i+1] == '0')) &&
3203 buf[i+2] == ':' && buf[i+3] == ' ') {
3204 started = STARTED_CHATTER;
3210 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3211 if(appData.seekGraph) {
3212 if(soughtPending && MatchSoughtLine(buf+i)) {
3213 i = strstr(buf+i, "rated") - buf;
3214 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3215 next_out = leftover_start = i;
3216 started = STARTED_CHATTER;
3217 suppressKibitz = TRUE;
3220 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3221 && looking_at(buf, &i, "* ads displayed")) {
3222 soughtPending = FALSE;
3227 if(appData.autoRefresh) {
3228 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3229 int s = (ics_type == ICS_ICC); // ICC format differs
3231 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3232 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3233 looking_at(buf, &i, "*% "); // eat prompt
3234 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3235 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3236 next_out = i; // suppress
3239 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3240 char *p = star_match[0];
3242 if(seekGraphUp) RemoveSeekAd(atoi(p));
3243 while(*p && *p++ != ' '); // next
3245 looking_at(buf, &i, "*% "); // eat prompt
3246 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3253 /* skip formula vars */
3254 if (started == STARTED_NONE &&
3255 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3256 started = STARTED_CHATTER;
3261 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3262 if (appData.autoKibitz && started == STARTED_NONE &&
3263 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3264 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3265 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3266 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3267 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3268 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3269 suppressKibitz = TRUE;
3270 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3272 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3273 && (gameMode == IcsPlayingWhite)) ||
3274 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3275 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3276 started = STARTED_CHATTER; // own kibitz we simply discard
3278 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3279 parse_pos = 0; parse[0] = NULLCHAR;
3280 savingComment = TRUE;
3281 suppressKibitz = gameMode != IcsObserving ? 2 :
3282 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3286 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3287 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3288 && atoi(star_match[0])) {
3289 // suppress the acknowledgements of our own autoKibitz
3291 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3292 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3293 SendToPlayer(star_match[0], strlen(star_match[0]));
3294 if(looking_at(buf, &i, "*% ")) // eat prompt
3295 suppressKibitz = FALSE;
3299 } // [HGM] kibitz: end of patch
3301 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3303 // [HGM] chat: intercept tells by users for which we have an open chat window
3305 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3306 looking_at(buf, &i, "* whispers:") ||
3307 looking_at(buf, &i, "* kibitzes:") ||
3308 looking_at(buf, &i, "* shouts:") ||
3309 looking_at(buf, &i, "* c-shouts:") ||
3310 looking_at(buf, &i, "--> * ") ||
3311 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3312 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3313 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3314 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3316 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3317 chattingPartner = -1; collective = 0;
3319 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3320 for(p=0; p<MAX_CHAT; p++) {
3322 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3323 talker[0] = '['; strcat(talker, "] ");
3324 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3325 chattingPartner = p; break;
3328 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3329 for(p=0; p<MAX_CHAT; p++) {
3331 if(!strcmp("kibitzes", chatPartner[p])) {
3332 talker[0] = '['; strcat(talker, "] ");
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("whispers", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3345 if(buf[i-8] == '-' && buf[i-3] == 't')
3346 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3348 if(!strcmp("c-shouts", chatPartner[p])) {
3349 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3350 chattingPartner = p; break;
3353 if(chattingPartner < 0)
3354 for(p=0; p<MAX_CHAT; p++) {
3356 if(!strcmp("shouts", chatPartner[p])) {
3357 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3358 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3359 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3360 chattingPartner = p; break;
3364 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3365 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3367 Colorize(ColorTell, FALSE);
3368 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3370 chattingPartner = p; break;
3372 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3373 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3374 started = STARTED_COMMENT;
3375 parse_pos = 0; parse[0] = NULLCHAR;
3376 savingComment = 3 + chattingPartner; // counts as TRUE
3377 if(collective == 3) i = oldi; else {
3378 suppressKibitz = TRUE;
3379 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3380 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3384 } // [HGM] chat: end of patch
3387 if (appData.zippyTalk || appData.zippyPlay) {
3388 /* [DM] Backup address for color zippy lines */
3390 if (loggedOn == TRUE)
3391 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3392 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3394 } // [DM] 'else { ' deleted
3396 /* Regular tells and says */
3397 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3398 looking_at(buf, &i, "* (your partner) tells you: ") ||
3399 looking_at(buf, &i, "* says: ") ||
3400 /* Don't color "message" or "messages" output */
3401 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3402 looking_at(buf, &i, "*. * at *:*: ") ||
3403 looking_at(buf, &i, "--* (*:*): ") ||
3404 /* Message notifications (same color as tells) */
3405 looking_at(buf, &i, "* has left a message ") ||
3406 looking_at(buf, &i, "* just sent you a message:\n") ||
3407 /* Whispers and kibitzes */
3408 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3409 looking_at(buf, &i, "* kibitzes: ") ||
3411 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3413 if (tkind == 1 && strchr(star_match[0], ':')) {
3414 /* Avoid "tells you:" spoofs in channels */
3417 if (star_match[0][0] == NULLCHAR ||
3418 strchr(star_match[0], ' ') ||
3419 (tkind == 3 && strchr(star_match[1], ' '))) {
3420 /* Reject bogus matches */
3423 if (appData.colorize) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3430 Colorize(ColorTell, FALSE);
3431 curColor = ColorTell;
3434 Colorize(ColorKibitz, FALSE);
3435 curColor = ColorKibitz;
3438 p = strrchr(star_match[1], '(');
3445 Colorize(ColorChannel1, FALSE);
3446 curColor = ColorChannel1;
3448 Colorize(ColorChannel, FALSE);
3449 curColor = ColorChannel;
3453 curColor = ColorNormal;
3457 if (started == STARTED_NONE && appData.autoComment &&
3458 (gameMode == IcsObserving ||
3459 gameMode == IcsPlayingWhite ||
3460 gameMode == IcsPlayingBlack)) {
3461 parse_pos = i - oldi;
3462 memcpy(parse, &buf[oldi], parse_pos);
3463 parse[parse_pos] = NULLCHAR;
3464 started = STARTED_COMMENT;
3465 savingComment = TRUE;
3466 } else if(collective != 3) {
3467 started = STARTED_CHATTER;
3468 savingComment = FALSE;
3475 if (looking_at(buf, &i, "* s-shouts: ") ||
3476 looking_at(buf, &i, "* c-shouts: ")) {
3477 if (appData.colorize) {
3478 if (oldi > next_out) {
3479 SendToPlayer(&buf[next_out], oldi - next_out);
3482 Colorize(ColorSShout, FALSE);
3483 curColor = ColorSShout;
3486 started = STARTED_CHATTER;
3490 if (looking_at(buf, &i, "--->")) {
3495 if (looking_at(buf, &i, "* shouts: ") ||
3496 looking_at(buf, &i, "--> ")) {
3497 if (appData.colorize) {
3498 if (oldi > next_out) {
3499 SendToPlayer(&buf[next_out], oldi - next_out);
3502 Colorize(ColorShout, FALSE);
3503 curColor = ColorShout;
3506 started = STARTED_CHATTER;
3510 if (looking_at( buf, &i, "Challenge:")) {
3511 if (appData.colorize) {
3512 if (oldi > next_out) {
3513 SendToPlayer(&buf[next_out], oldi - next_out);
3516 Colorize(ColorChallenge, FALSE);
3517 curColor = ColorChallenge;
3523 if (looking_at(buf, &i, "* offers you") ||
3524 looking_at(buf, &i, "* offers to be") ||
3525 looking_at(buf, &i, "* would like to") ||
3526 looking_at(buf, &i, "* requests to") ||
3527 looking_at(buf, &i, "Your opponent offers") ||
3528 looking_at(buf, &i, "Your opponent requests")) {
3530 if (appData.colorize) {
3531 if (oldi > next_out) {
3532 SendToPlayer(&buf[next_out], oldi - next_out);
3535 Colorize(ColorRequest, FALSE);
3536 curColor = ColorRequest;
3541 if (looking_at(buf, &i, "* (*) seeking")) {
3542 if (appData.colorize) {
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 Colorize(ColorSeek, FALSE);
3548 curColor = ColorSeek;
3553 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3555 if (looking_at(buf, &i, "\\ ")) {
3556 if (prevColor != ColorNormal) {
3557 if (oldi > next_out) {
3558 SendToPlayer(&buf[next_out], oldi - next_out);
3561 Colorize(prevColor, TRUE);
3562 curColor = prevColor;
3564 if (savingComment) {
3565 parse_pos = i - oldi;
3566 memcpy(parse, &buf[oldi], parse_pos);
3567 parse[parse_pos] = NULLCHAR;
3568 started = STARTED_COMMENT;
3569 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3570 chattingPartner = savingComment - 3; // kludge to remember the box
3572 started = STARTED_CHATTER;
3577 if (looking_at(buf, &i, "Black Strength :") ||
3578 looking_at(buf, &i, "<<< style 10 board >>>") ||
3579 looking_at(buf, &i, "<10>") ||
3580 looking_at(buf, &i, "#@#")) {
3581 /* Wrong board style */
3583 SendToICS(ics_prefix);
3584 SendToICS("set style 12\n");
3585 SendToICS(ics_prefix);
3586 SendToICS("refresh\n");
3590 if (looking_at(buf, &i, "login:")) {
3591 if (!have_sent_ICS_logon) {
3593 have_sent_ICS_logon = 1;
3594 else // no init script was found
3595 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3596 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3597 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3602 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3603 (looking_at(buf, &i, "\n<12> ") ||
3604 looking_at(buf, &i, "<12> "))) {
3606 if (oldi > next_out) {
3607 SendToPlayer(&buf[next_out], oldi - next_out);
3610 started = STARTED_BOARD;
3615 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3616 looking_at(buf, &i, "<b1> ")) {
3617 if (oldi > next_out) {
3618 SendToPlayer(&buf[next_out], oldi - next_out);
3621 started = STARTED_HOLDINGS;
3626 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3628 /* Header for a move list -- first line */
3630 switch (ics_getting_history) {
3634 case BeginningOfGame:
3635 /* User typed "moves" or "oldmoves" while we
3636 were idle. Pretend we asked for these
3637 moves and soak them up so user can step
3638 through them and/or save them.
3641 gameMode = IcsObserving;
3644 ics_getting_history = H_GOT_UNREQ_HEADER;
3646 case EditGame: /*?*/
3647 case EditPosition: /*?*/
3648 /* Should above feature work in these modes too? */
3649 /* For now it doesn't */
3650 ics_getting_history = H_GOT_UNWANTED_HEADER;
3653 ics_getting_history = H_GOT_UNWANTED_HEADER;
3658 /* Is this the right one? */
3659 if (gameInfo.white && gameInfo.black &&
3660 strcmp(gameInfo.white, star_match[0]) == 0 &&
3661 strcmp(gameInfo.black, star_match[2]) == 0) {
3663 ics_getting_history = H_GOT_REQ_HEADER;
3666 case H_GOT_REQ_HEADER:
3667 case H_GOT_UNREQ_HEADER:
3668 case H_GOT_UNWANTED_HEADER:
3669 case H_GETTING_MOVES:
3670 /* Should not happen */
3671 DisplayError(_("Error gathering move list: two headers"), 0);
3672 ics_getting_history = H_FALSE;
3676 /* Save player ratings into gameInfo if needed */
3677 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3678 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3679 (gameInfo.whiteRating == -1 ||
3680 gameInfo.blackRating == -1)) {
3682 gameInfo.whiteRating = string_to_rating(star_match[1]);
3683 gameInfo.blackRating = string_to_rating(star_match[3]);
3684 if (appData.debugMode)
3685 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3686 gameInfo.whiteRating, gameInfo.blackRating);
3691 if (looking_at(buf, &i,
3692 "* * match, initial time: * minute*, increment: * second")) {
3693 /* Header for a move list -- second line */
3694 /* Initial board will follow if this is a wild game */
3695 if (gameInfo.event != NULL) free(gameInfo.event);
3696 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3697 gameInfo.event = StrSave(str);
3698 /* [HGM] we switched variant. Translate boards if needed. */
3699 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3703 if (looking_at(buf, &i, "Move ")) {
3704 /* Beginning of a move list */
3705 switch (ics_getting_history) {
3707 /* Normally should not happen */
3708 /* Maybe user hit reset while we were parsing */
3711 /* Happens if we are ignoring a move list that is not
3712 * the one we just requested. Common if the user
3713 * tries to observe two games without turning off
3716 case H_GETTING_MOVES:
3717 /* Should not happen */
3718 DisplayError(_("Error gathering move list: nested"), 0);
3719 ics_getting_history = H_FALSE;
3721 case H_GOT_REQ_HEADER:
3722 ics_getting_history = H_GETTING_MOVES;
3723 started = STARTED_MOVES;
3725 if (oldi > next_out) {
3726 SendToPlayer(&buf[next_out], oldi - next_out);
3729 case H_GOT_UNREQ_HEADER:
3730 ics_getting_history = H_GETTING_MOVES;
3731 started = STARTED_MOVES_NOHIDE;
3734 case H_GOT_UNWANTED_HEADER:
3735 ics_getting_history = H_FALSE;
3741 if (looking_at(buf, &i, "% ") ||
3742 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3743 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3744 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3745 soughtPending = FALSE;
3749 if(suppressKibitz) next_out = i;
3750 savingComment = FALSE;
3754 case STARTED_MOVES_NOHIDE:
3755 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3756 parse[parse_pos + i - oldi] = NULLCHAR;
3757 ParseGameHistory(parse);
3759 if (appData.zippyPlay && first.initDone) {
3760 FeedMovesToProgram(&first, forwardMostMove);
3761 if (gameMode == IcsPlayingWhite) {
3762 if (WhiteOnMove(forwardMostMove)) {
3763 if (first.sendTime) {
3764 if (first.useColors) {
3765 SendToProgram("black\n", &first);
3767 SendTimeRemaining(&first, TRUE);
3769 if (first.useColors) {
3770 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3772 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3773 first.maybeThinking = TRUE;
3775 if (first.usePlayother) {
3776 if (first.sendTime) {
3777 SendTimeRemaining(&first, TRUE);
3779 SendToProgram("playother\n", &first);
3785 } else if (gameMode == IcsPlayingBlack) {
3786 if (!WhiteOnMove(forwardMostMove)) {
3787 if (first.sendTime) {
3788 if (first.useColors) {
3789 SendToProgram("white\n", &first);
3791 SendTimeRemaining(&first, FALSE);
3793 if (first.useColors) {
3794 SendToProgram("black\n", &first);
3796 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3797 first.maybeThinking = TRUE;
3799 if (first.usePlayother) {
3800 if (first.sendTime) {
3801 SendTimeRemaining(&first, FALSE);
3803 SendToProgram("playother\n", &first);
3812 if (gameMode == IcsObserving && ics_gamenum == -1) {
3813 /* Moves came from oldmoves or moves command
3814 while we weren't doing anything else.
3816 currentMove = forwardMostMove;
3817 ClearHighlights();/*!!could figure this out*/
3818 flipView = appData.flipView;
3819 DrawPosition(TRUE, boards[currentMove]);
3820 DisplayBothClocks();
3821 snprintf(str, MSG_SIZ, "%s %s %s",
3822 gameInfo.white, _("vs."), gameInfo.black);
3826 /* Moves were history of an active game */
3827 if (gameInfo.resultDetails != NULL) {
3828 free(gameInfo.resultDetails);
3829 gameInfo.resultDetails = NULL;
3832 HistorySet(parseList, backwardMostMove,
3833 forwardMostMove, currentMove-1);
3834 DisplayMove(currentMove - 1);
3835 if (started == STARTED_MOVES) next_out = i;
3836 started = STARTED_NONE;
3837 ics_getting_history = H_FALSE;
3840 case STARTED_OBSERVE:
3841 started = STARTED_NONE;
3842 SendToICS(ics_prefix);
3843 SendToICS("refresh\n");
3849 if(bookHit) { // [HGM] book: simulate book reply
3850 static char bookMove[MSG_SIZ]; // a bit generous?
3852 programStats.nodes = programStats.depth = programStats.time =
3853 programStats.score = programStats.got_only_move = 0;
3854 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3856 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3857 strcat(bookMove, bookHit);
3858 HandleMachineMove(bookMove, &first);
3863 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3864 started == STARTED_HOLDINGS ||
3865 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3866 /* Accumulate characters in move list or board */
3867 parse[parse_pos++] = buf[i];
3870 /* Start of game messages. Mostly we detect start of game
3871 when the first board image arrives. On some versions
3872 of the ICS, though, we need to do a "refresh" after starting
3873 to observe in order to get the current board right away. */
3874 if (looking_at(buf, &i, "Adding game * to observation list")) {
3875 started = STARTED_OBSERVE;
3879 /* Handle auto-observe */
3880 if (appData.autoObserve &&
3881 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3882 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3884 /* Choose the player that was highlighted, if any. */
3885 if (star_match[0][0] == '\033' ||
3886 star_match[1][0] != '\033') {
3887 player = star_match[0];
3889 player = star_match[2];
3891 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3892 ics_prefix, StripHighlightAndTitle(player));
3895 /* Save ratings from notify string */
3896 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3897 player1Rating = string_to_rating(star_match[1]);
3898 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3899 player2Rating = string_to_rating(star_match[3]);
3901 if (appData.debugMode)
3903 "Ratings from 'Game notification:' %s %d, %s %d\n",
3904 player1Name, player1Rating,
3905 player2Name, player2Rating);
3910 /* Deal with automatic examine mode after a game,
3911 and with IcsObserving -> IcsExamining transition */
3912 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3913 looking_at(buf, &i, "has made you an examiner of game *")) {
3915 int gamenum = atoi(star_match[0]);
3916 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3917 gamenum == ics_gamenum) {
3918 /* We were already playing or observing this game;
3919 no need to refetch history */
3920 gameMode = IcsExamining;
3922 pauseExamForwardMostMove = forwardMostMove;
3923 } else if (currentMove < forwardMostMove) {
3924 ForwardInner(forwardMostMove);
3927 /* I don't think this case really can happen */
3928 SendToICS(ics_prefix);
3929 SendToICS("refresh\n");
3934 /* Error messages */
3935 // if (ics_user_moved) {
3936 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3937 if (looking_at(buf, &i, "Illegal move") ||
3938 looking_at(buf, &i, "Not a legal move") ||
3939 looking_at(buf, &i, "Your king is in check") ||
3940 looking_at(buf, &i, "It isn't your turn") ||
3941 looking_at(buf, &i, "It is not your move")) {
3943 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3944 currentMove = forwardMostMove-1;
3945 DisplayMove(currentMove - 1); /* before DMError */
3946 DrawPosition(FALSE, boards[currentMove]);
3947 SwitchClocks(forwardMostMove-1); // [HGM] race
3948 DisplayBothClocks();
3950 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3956 if (looking_at(buf, &i, "still have time") ||
3957 looking_at(buf, &i, "not out of time") ||
3958 looking_at(buf, &i, "either player is out of time") ||
3959 looking_at(buf, &i, "has timeseal; checking")) {
3960 /* We must have called his flag a little too soon */
3961 whiteFlag = blackFlag = FALSE;
3965 if (looking_at(buf, &i, "added * seconds to") ||
3966 looking_at(buf, &i, "seconds were added to")) {
3967 /* Update the clocks */
3968 SendToICS(ics_prefix);
3969 SendToICS("refresh\n");
3973 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3974 ics_clock_paused = TRUE;
3979 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3980 ics_clock_paused = FALSE;
3985 /* Grab player ratings from the Creating: message.
3986 Note we have to check for the special case when
3987 the ICS inserts things like [white] or [black]. */
3988 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3989 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3991 0 player 1 name (not necessarily white)
3993 2 empty, white, or black (IGNORED)
3994 3 player 2 name (not necessarily black)
3997 The names/ratings are sorted out when the game
3998 actually starts (below).
4000 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4001 player1Rating = string_to_rating(star_match[1]);
4002 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4003 player2Rating = string_to_rating(star_match[4]);
4005 if (appData.debugMode)
4007 "Ratings from 'Creating:' %s %d, %s %d\n",
4008 player1Name, player1Rating,
4009 player2Name, player2Rating);
4014 /* Improved generic start/end-of-game messages */
4015 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4016 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4017 /* If tkind == 0: */
4018 /* star_match[0] is the game number */
4019 /* [1] is the white player's name */
4020 /* [2] is the black player's name */
4021 /* For end-of-game: */
4022 /* [3] is the reason for the game end */
4023 /* [4] is a PGN end game-token, preceded by " " */
4024 /* For start-of-game: */
4025 /* [3] begins with "Creating" or "Continuing" */
4026 /* [4] is " *" or empty (don't care). */
4027 int gamenum = atoi(star_match[0]);
4028 char *whitename, *blackname, *why, *endtoken;
4029 ChessMove endtype = EndOfFile;
4032 whitename = star_match[1];
4033 blackname = star_match[2];
4034 why = star_match[3];
4035 endtoken = star_match[4];
4037 whitename = star_match[1];
4038 blackname = star_match[3];
4039 why = star_match[5];
4040 endtoken = star_match[6];
4043 /* Game start messages */
4044 if (strncmp(why, "Creating ", 9) == 0 ||
4045 strncmp(why, "Continuing ", 11) == 0) {
4046 gs_gamenum = gamenum;
4047 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4048 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4049 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4051 if (appData.zippyPlay) {
4052 ZippyGameStart(whitename, blackname);
4055 partnerBoardValid = FALSE; // [HGM] bughouse
4059 /* Game end messages */
4060 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4061 ics_gamenum != gamenum) {
4064 while (endtoken[0] == ' ') endtoken++;
4065 switch (endtoken[0]) {
4068 endtype = GameUnfinished;
4071 endtype = BlackWins;
4074 if (endtoken[1] == '/')
4075 endtype = GameIsDrawn;
4077 endtype = WhiteWins;
4080 GameEnds(endtype, why, GE_ICS);
4082 if (appData.zippyPlay && first.initDone) {
4083 ZippyGameEnd(endtype, why);
4084 if (first.pr == NoProc) {
4085 /* Start the next process early so that we'll
4086 be ready for the next challenge */
4087 StartChessProgram(&first);
4089 /* Send "new" early, in case this command takes
4090 a long time to finish, so that we'll be ready
4091 for the next challenge. */
4092 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4096 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4100 if (looking_at(buf, &i, "Removing game * from observation") ||
4101 looking_at(buf, &i, "no longer observing game *") ||
4102 looking_at(buf, &i, "Game * (*) has no examiners")) {
4103 if (gameMode == IcsObserving &&
4104 atoi(star_match[0]) == ics_gamenum)
4106 /* icsEngineAnalyze */
4107 if (appData.icsEngineAnalyze) {
4114 ics_user_moved = FALSE;
4119 if (looking_at(buf, &i, "no longer examining game *")) {
4120 if (gameMode == IcsExamining &&
4121 atoi(star_match[0]) == ics_gamenum)
4125 ics_user_moved = FALSE;
4130 /* Advance leftover_start past any newlines we find,
4131 so only partial lines can get reparsed */
4132 if (looking_at(buf, &i, "\n")) {
4133 prevColor = curColor;
4134 if (curColor != ColorNormal) {
4135 if (oldi > next_out) {
4136 SendToPlayer(&buf[next_out], oldi - next_out);
4139 Colorize(ColorNormal, FALSE);
4140 curColor = ColorNormal;
4142 if (started == STARTED_BOARD) {
4143 started = STARTED_NONE;
4144 parse[parse_pos] = NULLCHAR;
4145 ParseBoard12(parse);
4148 /* Send premove here */
4149 if (appData.premove) {
4151 if (currentMove == 0 &&
4152 gameMode == IcsPlayingWhite &&
4153 appData.premoveWhite) {
4154 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4155 if (appData.debugMode)
4156 fprintf(debugFP, "Sending premove:\n");
4158 } else if (currentMove == 1 &&
4159 gameMode == IcsPlayingBlack &&
4160 appData.premoveBlack) {
4161 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4162 if (appData.debugMode)
4163 fprintf(debugFP, "Sending premove:\n");
4165 } else if (gotPremove) {
4166 int oldFMM = forwardMostMove;
4168 ClearPremoveHighlights();
4169 if (appData.debugMode)
4170 fprintf(debugFP, "Sending premove:\n");
4171 UserMoveEvent(premoveFromX, premoveFromY,
4172 premoveToX, premoveToY,
4174 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4175 if(moveList[oldFMM-1][1] != '@')
4176 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4177 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4179 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4184 /* Usually suppress following prompt */
4185 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4186 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4187 if (looking_at(buf, &i, "*% ")) {
4188 savingComment = FALSE;
4193 } else if (started == STARTED_HOLDINGS) {
4195 char new_piece[MSG_SIZ];
4196 started = STARTED_NONE;
4197 parse[parse_pos] = NULLCHAR;
4198 if (appData.debugMode)
4199 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4200 parse, currentMove);
4201 if (sscanf(parse, " game %d", &gamenum) == 1) {
4202 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4203 if (gameInfo.variant == VariantNormal) {
4204 /* [HGM] We seem to switch variant during a game!
4205 * Presumably no holdings were displayed, so we have
4206 * to move the position two files to the right to
4207 * create room for them!
4209 VariantClass newVariant;
4210 switch(gameInfo.boardWidth) { // base guess on board width
4211 case 9: newVariant = VariantShogi; break;
4212 case 10: newVariant = VariantGreat; break;
4213 default: newVariant = VariantCrazyhouse; break;
4215 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4216 /* Get a move list just to see the header, which
4217 will tell us whether this is really bug or zh */
4218 if (ics_getting_history == H_FALSE) {
4219 ics_getting_history = H_REQUESTED;
4220 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4224 new_piece[0] = NULLCHAR;
4225 sscanf(parse, "game %d white [%s black [%s <- %s",
4226 &gamenum, white_holding, black_holding,
4228 white_holding[strlen(white_holding)-1] = NULLCHAR;
4229 black_holding[strlen(black_holding)-1] = NULLCHAR;
4230 /* [HGM] copy holdings to board holdings area */
4231 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4232 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4233 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4235 if (appData.zippyPlay && first.initDone) {
4236 ZippyHoldings(white_holding, black_holding,
4240 if (tinyLayout || smallLayout) {
4241 char wh[16], bh[16];
4242 PackHolding(wh, white_holding);
4243 PackHolding(bh, black_holding);
4244 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4245 gameInfo.white, gameInfo.black);
4247 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4248 gameInfo.white, white_holding, _("vs."),
4249 gameInfo.black, black_holding);
4251 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4252 DrawPosition(FALSE, boards[currentMove]);
4254 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4255 sscanf(parse, "game %d white [%s black [%s <- %s",
4256 &gamenum, white_holding, black_holding,
4258 white_holding[strlen(white_holding)-1] = NULLCHAR;
4259 black_holding[strlen(black_holding)-1] = NULLCHAR;
4260 /* [HGM] copy holdings to partner-board holdings area */
4261 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4262 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4263 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4264 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4265 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4268 /* Suppress following prompt */
4269 if (looking_at(buf, &i, "*% ")) {
4270 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4271 savingComment = FALSE;
4279 i++; /* skip unparsed character and loop back */
4282 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4283 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4284 // SendToPlayer(&buf[next_out], i - next_out);
4285 started != STARTED_HOLDINGS && leftover_start > next_out) {
4286 SendToPlayer(&buf[next_out], leftover_start - next_out);
4290 leftover_len = buf_len - leftover_start;
4291 /* if buffer ends with something we couldn't parse,
4292 reparse it after appending the next read */
4294 } else if (count == 0) {
4295 RemoveInputSource(isr);
4296 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4298 DisplayFatalError(_("Error reading from ICS"), error, 1);
4303 /* Board style 12 looks like this:
4305 <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
4307 * The "<12> " is stripped before it gets to this routine. The two
4308 * trailing 0's (flip state and clock ticking) are later addition, and
4309 * some chess servers may not have them, or may have only the first.
4310 * Additional trailing fields may be added in the future.
4313 #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"
4315 #define RELATION_OBSERVING_PLAYED 0
4316 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4317 #define RELATION_PLAYING_MYMOVE 1
4318 #define RELATION_PLAYING_NOTMYMOVE -1
4319 #define RELATION_EXAMINING 2
4320 #define RELATION_ISOLATED_BOARD -3
4321 #define RELATION_STARTING_POSITION -4 /* FICS only */
4324 ParseBoard12 (char *string)
4328 char *bookHit = NULL; // [HGM] book
4330 GameMode newGameMode;
4331 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4332 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4333 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4334 char to_play, board_chars[200];
4335 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4336 char black[32], white[32];
4338 int prevMove = currentMove;
4341 int fromX, fromY, toX, toY;
4343 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4344 Boolean weird = FALSE, reqFlag = FALSE;
4346 fromX = fromY = toX = toY = -1;
4350 if (appData.debugMode)
4351 fprintf(debugFP, "Parsing board: %s\n", string);
4353 move_str[0] = NULLCHAR;
4354 elapsed_time[0] = NULLCHAR;
4355 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4357 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4358 if(string[i] == ' ') { ranks++; files = 0; }
4360 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4363 for(j = 0; j <i; j++) board_chars[j] = string[j];
4364 board_chars[i] = '\0';
4367 n = sscanf(string, PATTERN, &to_play, &double_push,
4368 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4369 &gamenum, white, black, &relation, &basetime, &increment,
4370 &white_stren, &black_stren, &white_time, &black_time,
4371 &moveNum, str, elapsed_time, move_str, &ics_flip,
4375 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4376 DisplayError(str, 0);
4380 /* Convert the move number to internal form */
4381 moveNum = (moveNum - 1) * 2;
4382 if (to_play == 'B') moveNum++;
4383 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4384 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4390 case RELATION_OBSERVING_PLAYED:
4391 case RELATION_OBSERVING_STATIC:
4392 if (gamenum == -1) {
4393 /* Old ICC buglet */
4394 relation = RELATION_OBSERVING_STATIC;
4396 newGameMode = IcsObserving;
4398 case RELATION_PLAYING_MYMOVE:
4399 case RELATION_PLAYING_NOTMYMOVE:
4401 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4402 IcsPlayingWhite : IcsPlayingBlack;
4403 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4405 case RELATION_EXAMINING:
4406 newGameMode = IcsExamining;
4408 case RELATION_ISOLATED_BOARD:
4410 /* Just display this board. If user was doing something else,
4411 we will forget about it until the next board comes. */
4412 newGameMode = IcsIdle;
4414 case RELATION_STARTING_POSITION:
4415 newGameMode = gameMode;
4419 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4420 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4421 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4422 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4423 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4424 static int lastBgGame = -1;
4426 for (k = 0; k < ranks; k++) {
4427 for (j = 0; j < files; j++)
4428 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4429 if(gameInfo.holdingsWidth > 1) {
4430 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4431 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4434 CopyBoard(partnerBoard, board);
4435 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4436 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4437 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4438 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4439 if(toSqr = strchr(str, '-')) {
4440 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4441 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4442 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4443 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4444 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4445 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4447 DisplayWhiteClock(white_time*fac, to_play == 'W');
4448 DisplayBlackClock(black_time*fac, to_play != 'W');
4449 activePartner = to_play;
4450 if(gamenum != lastBgGame) {
4452 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4455 lastBgGame = gamenum;
4456 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4457 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4458 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4459 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4460 if(!twoBoards) DisplayMessage(partnerStatus, "");
4461 partnerBoardValid = TRUE;
4465 if(appData.dualBoard && appData.bgObserve) {
4466 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4467 SendToICS(ics_prefix), SendToICS("pobserve\n");
4468 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4470 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4475 /* Modify behavior for initial board display on move listing
4478 switch (ics_getting_history) {
4482 case H_GOT_REQ_HEADER:
4483 case H_GOT_UNREQ_HEADER:
4484 /* This is the initial position of the current game */
4485 gamenum = ics_gamenum;
4486 moveNum = 0; /* old ICS bug workaround */
4487 if (to_play == 'B') {
4488 startedFromSetupPosition = TRUE;
4489 blackPlaysFirst = TRUE;
4491 if (forwardMostMove == 0) forwardMostMove = 1;
4492 if (backwardMostMove == 0) backwardMostMove = 1;
4493 if (currentMove == 0) currentMove = 1;
4495 newGameMode = gameMode;
4496 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4498 case H_GOT_UNWANTED_HEADER:
4499 /* This is an initial board that we don't want */
4501 case H_GETTING_MOVES:
4502 /* Should not happen */
4503 DisplayError(_("Error gathering move list: extra board"), 0);
4504 ics_getting_history = H_FALSE;
4508 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4509 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4510 weird && (int)gameInfo.variant < (int)VariantShogi) {
4511 /* [HGM] We seem to have switched variant unexpectedly
4512 * Try to guess new variant from board size
4514 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4515 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4516 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4517 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4518 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4519 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4520 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4521 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4522 /* Get a move list just to see the header, which
4523 will tell us whether this is really bug or zh */
4524 if (ics_getting_history == H_FALSE) {
4525 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4531 /* Take action if this is the first board of a new game, or of a
4532 different game than is currently being displayed. */
4533 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4534 relation == RELATION_ISOLATED_BOARD) {
4536 /* Forget the old game and get the history (if any) of the new one */
4537 if (gameMode != BeginningOfGame) {
4541 if (appData.autoRaiseBoard) BoardToTop();
4543 if (gamenum == -1) {
4544 newGameMode = IcsIdle;
4545 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4546 appData.getMoveList && !reqFlag) {
4547 /* Need to get game history */
4548 ics_getting_history = H_REQUESTED;
4549 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4553 /* Initially flip the board to have black on the bottom if playing
4554 black or if the ICS flip flag is set, but let the user change
4555 it with the Flip View button. */
4556 flipView = appData.autoFlipView ?
4557 (newGameMode == IcsPlayingBlack) || ics_flip :
4560 /* Done with values from previous mode; copy in new ones */
4561 gameMode = newGameMode;
4563 ics_gamenum = gamenum;
4564 if (gamenum == gs_gamenum) {
4565 int klen = strlen(gs_kind);
4566 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4567 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4568 gameInfo.event = StrSave(str);
4570 gameInfo.event = StrSave("ICS game");
4572 gameInfo.site = StrSave(appData.icsHost);
4573 gameInfo.date = PGNDate();
4574 gameInfo.round = StrSave("-");
4575 gameInfo.white = StrSave(white);
4576 gameInfo.black = StrSave(black);
4577 timeControl = basetime * 60 * 1000;
4579 timeIncrement = increment * 1000;
4580 movesPerSession = 0;
4581 gameInfo.timeControl = TimeControlTagValue();
4582 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4583 if (appData.debugMode) {
4584 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4585 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4586 setbuf(debugFP, NULL);
4589 gameInfo.outOfBook = NULL;
4591 /* Do we have the ratings? */
4592 if (strcmp(player1Name, white) == 0 &&
4593 strcmp(player2Name, black) == 0) {
4594 if (appData.debugMode)
4595 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4596 player1Rating, player2Rating);
4597 gameInfo.whiteRating = player1Rating;
4598 gameInfo.blackRating = player2Rating;
4599 } else if (strcmp(player2Name, white) == 0 &&
4600 strcmp(player1Name, black) == 0) {
4601 if (appData.debugMode)
4602 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4603 player2Rating, player1Rating);
4604 gameInfo.whiteRating = player2Rating;
4605 gameInfo.blackRating = player1Rating;
4607 player1Name[0] = player2Name[0] = NULLCHAR;
4609 /* Silence shouts if requested */
4610 if (appData.quietPlay &&
4611 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4612 SendToICS(ics_prefix);
4613 SendToICS("set shout 0\n");
4617 /* Deal with midgame name changes */
4619 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4620 if (gameInfo.white) free(gameInfo.white);
4621 gameInfo.white = StrSave(white);
4623 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4624 if (gameInfo.black) free(gameInfo.black);
4625 gameInfo.black = StrSave(black);
4629 /* Throw away game result if anything actually changes in examine mode */
4630 if (gameMode == IcsExamining && !newGame) {
4631 gameInfo.result = GameUnfinished;
4632 if (gameInfo.resultDetails != NULL) {
4633 free(gameInfo.resultDetails);
4634 gameInfo.resultDetails = NULL;
4638 /* In pausing && IcsExamining mode, we ignore boards coming
4639 in if they are in a different variation than we are. */
4640 if (pauseExamInvalid) return;
4641 if (pausing && gameMode == IcsExamining) {
4642 if (moveNum <= pauseExamForwardMostMove) {
4643 pauseExamInvalid = TRUE;
4644 forwardMostMove = pauseExamForwardMostMove;
4649 if (appData.debugMode) {
4650 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4652 /* Parse the board */
4653 for (k = 0; k < ranks; k++) {
4654 for (j = 0; j < files; j++)
4655 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4656 if(gameInfo.holdingsWidth > 1) {
4657 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4658 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4661 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4662 board[5][BOARD_RGHT+1] = WhiteAngel;
4663 board[6][BOARD_RGHT+1] = WhiteMarshall;
4664 board[1][0] = BlackMarshall;
4665 board[2][0] = BlackAngel;
4666 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4668 CopyBoard(boards[moveNum], board);
4669 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4671 startedFromSetupPosition =
4672 !CompareBoards(board, initialPosition);
4673 if(startedFromSetupPosition)
4674 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4677 /* [HGM] Set castling rights. Take the outermost Rooks,
4678 to make it also work for FRC opening positions. Note that board12
4679 is really defective for later FRC positions, as it has no way to
4680 indicate which Rook can castle if they are on the same side of King.
4681 For the initial position we grant rights to the outermost Rooks,
4682 and remember thos rights, and we then copy them on positions
4683 later in an FRC game. This means WB might not recognize castlings with
4684 Rooks that have moved back to their original position as illegal,
4685 but in ICS mode that is not its job anyway.
4687 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4688 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4690 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4691 if(board[0][i] == WhiteRook) j = i;
4692 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4693 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4694 if(board[0][i] == WhiteRook) j = i;
4695 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4696 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4697 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4698 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4699 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4700 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4701 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4703 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4704 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4705 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4706 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4707 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4708 if(board[BOARD_HEIGHT-1][k] == bKing)
4709 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4710 if(gameInfo.variant == VariantTwoKings) {
4711 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4712 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4713 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4716 r = boards[moveNum][CASTLING][0] = initialRights[0];
4717 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4718 r = boards[moveNum][CASTLING][1] = initialRights[1];
4719 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4720 r = boards[moveNum][CASTLING][3] = initialRights[3];
4721 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4722 r = boards[moveNum][CASTLING][4] = initialRights[4];
4723 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4724 /* wildcastle kludge: always assume King has rights */
4725 r = boards[moveNum][CASTLING][2] = initialRights[2];
4726 r = boards[moveNum][CASTLING][5] = initialRights[5];
4728 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4729 boards[moveNum][EP_STATUS] = EP_NONE;
4730 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4731 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4732 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4735 if (ics_getting_history == H_GOT_REQ_HEADER ||
4736 ics_getting_history == H_GOT_UNREQ_HEADER) {
4737 /* This was an initial position from a move list, not
4738 the current position */
4742 /* Update currentMove and known move number limits */
4743 newMove = newGame || moveNum > forwardMostMove;
4746 forwardMostMove = backwardMostMove = currentMove = moveNum;
4747 if (gameMode == IcsExamining && moveNum == 0) {
4748 /* Workaround for ICS limitation: we are not told the wild
4749 type when starting to examine a game. But if we ask for
4750 the move list, the move list header will tell us */
4751 ics_getting_history = H_REQUESTED;
4752 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4755 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4756 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4758 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4759 /* [HGM] applied this also to an engine that is silently watching */
4760 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4761 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4762 gameInfo.variant == currentlyInitializedVariant) {
4763 takeback = forwardMostMove - moveNum;
4764 for (i = 0; i < takeback; i++) {
4765 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4766 SendToProgram("undo\n", &first);
4771 forwardMostMove = moveNum;
4772 if (!pausing || currentMove > forwardMostMove)
4773 currentMove = forwardMostMove;
4775 /* New part of history that is not contiguous with old part */
4776 if (pausing && gameMode == IcsExamining) {
4777 pauseExamInvalid = TRUE;
4778 forwardMostMove = pauseExamForwardMostMove;
4781 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4783 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4784 // [HGM] when we will receive the move list we now request, it will be
4785 // fed to the engine from the first move on. So if the engine is not
4786 // in the initial position now, bring it there.
4787 InitChessProgram(&first, 0);
4790 ics_getting_history = H_REQUESTED;
4791 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4794 forwardMostMove = backwardMostMove = currentMove = moveNum;
4797 /* Update the clocks */
4798 if (strchr(elapsed_time, '.')) {
4800 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4801 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4803 /* Time is in seconds */
4804 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4805 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4810 if (appData.zippyPlay && newGame &&
4811 gameMode != IcsObserving && gameMode != IcsIdle &&
4812 gameMode != IcsExamining)
4813 ZippyFirstBoard(moveNum, basetime, increment);
4816 /* Put the move on the move list, first converting
4817 to canonical algebraic form. */
4819 if (appData.debugMode) {
4820 int f = forwardMostMove;
4821 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4822 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4823 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4824 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4825 fprintf(debugFP, "moveNum = %d\n", moveNum);
4826 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4827 setbuf(debugFP, NULL);
4829 if (moveNum <= backwardMostMove) {
4830 /* We don't know what the board looked like before
4832 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4833 strcat(parseList[moveNum - 1], " ");
4834 strcat(parseList[moveNum - 1], elapsed_time);
4835 moveList[moveNum - 1][0] = NULLCHAR;
4836 } else if (strcmp(move_str, "none") == 0) {
4837 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4838 /* Again, we don't know what the board looked like;
4839 this is really the start of the game. */
4840 parseList[moveNum - 1][0] = NULLCHAR;
4841 moveList[moveNum - 1][0] = NULLCHAR;
4842 backwardMostMove = moveNum;
4843 startedFromSetupPosition = TRUE;
4844 fromX = fromY = toX = toY = -1;
4846 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4847 // So we parse the long-algebraic move string in stead of the SAN move
4848 int valid; char buf[MSG_SIZ], *prom;
4850 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4851 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4852 // str looks something like "Q/a1-a2"; kill the slash
4854 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4855 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4856 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4857 strcat(buf, prom); // long move lacks promo specification!
4858 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4859 if(appData.debugMode)
4860 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4861 safeStrCpy(move_str, buf, MSG_SIZ);
4863 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4864 &fromX, &fromY, &toX, &toY, &promoChar)
4865 || ParseOneMove(buf, moveNum - 1, &moveType,
4866 &fromX, &fromY, &toX, &toY, &promoChar);
4867 // end of long SAN patch
4869 (void) CoordsToAlgebraic(boards[moveNum - 1],
4870 PosFlags(moveNum - 1),
4871 fromY, fromX, toY, toX, promoChar,
4872 parseList[moveNum-1]);
4873 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4879 if(!IS_SHOGI(gameInfo.variant))
4880 strcat(parseList[moveNum - 1], "+");
4883 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4884 strcat(parseList[moveNum - 1], "#");
4887 strcat(parseList[moveNum - 1], " ");
4888 strcat(parseList[moveNum - 1], elapsed_time);
4889 /* currentMoveString is set as a side-effect of ParseOneMove */
4890 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4891 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4892 strcat(moveList[moveNum - 1], "\n");
4894 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4895 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4896 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4897 ChessSquare old, new = boards[moveNum][k][j];
4898 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4899 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4900 if(old == new) continue;
4901 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4902 else if(new == WhiteWazir || new == BlackWazir) {
4903 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4904 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4905 else boards[moveNum][k][j] = old; // preserve type of Gold
4906 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4907 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4910 /* Move from ICS was illegal!? Punt. */
4911 if (appData.debugMode) {
4912 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4913 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4915 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4916 strcat(parseList[moveNum - 1], " ");
4917 strcat(parseList[moveNum - 1], elapsed_time);
4918 moveList[moveNum - 1][0] = NULLCHAR;
4919 fromX = fromY = toX = toY = -1;
4922 if (appData.debugMode) {
4923 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4924 setbuf(debugFP, NULL);
4928 /* Send move to chess program (BEFORE animating it). */
4929 if (appData.zippyPlay && !newGame && newMove &&
4930 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4932 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4933 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4934 if (moveList[moveNum - 1][0] == NULLCHAR) {
4935 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4937 DisplayError(str, 0);
4939 if (first.sendTime) {
4940 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4942 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4943 if (firstMove && !bookHit) {
4945 if (first.useColors) {
4946 SendToProgram(gameMode == IcsPlayingWhite ?
4948 "black\ngo\n", &first);
4950 SendToProgram("go\n", &first);
4952 first.maybeThinking = TRUE;
4955 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4956 if (moveList[moveNum - 1][0] == NULLCHAR) {
4957 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4958 DisplayError(str, 0);
4960 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4961 SendMoveToProgram(moveNum - 1, &first);
4968 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4969 /* If move comes from a remote source, animate it. If it
4970 isn't remote, it will have already been animated. */
4971 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4972 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4974 if (!pausing && appData.highlightLastMove) {
4975 SetHighlights(fromX, fromY, toX, toY);
4979 /* Start the clocks */
4980 whiteFlag = blackFlag = FALSE;
4981 appData.clockMode = !(basetime == 0 && increment == 0);
4983 ics_clock_paused = TRUE;
4985 } else if (ticking == 1) {
4986 ics_clock_paused = FALSE;
4988 if (gameMode == IcsIdle ||
4989 relation == RELATION_OBSERVING_STATIC ||
4990 relation == RELATION_EXAMINING ||
4992 DisplayBothClocks();
4996 /* Display opponents and material strengths */
4997 if (gameInfo.variant != VariantBughouse &&
4998 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4999 if (tinyLayout || smallLayout) {
5000 if(gameInfo.variant == VariantNormal)
5001 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5002 gameInfo.white, white_stren, gameInfo.black, black_stren,
5003 basetime, increment);
5005 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5006 gameInfo.white, white_stren, gameInfo.black, black_stren,
5007 basetime, increment, (int) gameInfo.variant);
5009 if(gameInfo.variant == VariantNormal)
5010 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5011 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5012 basetime, increment);
5014 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5015 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5016 basetime, increment, VariantName(gameInfo.variant));
5019 if (appData.debugMode) {
5020 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5025 /* Display the board */
5026 if (!pausing && !appData.noGUI) {
5028 if (appData.premove)
5030 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5031 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5032 ClearPremoveHighlights();
5034 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5035 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5036 DrawPosition(j, boards[currentMove]);
5038 DisplayMove(moveNum - 1);
5039 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5040 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5041 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5042 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5046 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5048 if(bookHit) { // [HGM] book: simulate book reply
5049 static char bookMove[MSG_SIZ]; // a bit generous?
5051 programStats.nodes = programStats.depth = programStats.time =
5052 programStats.score = programStats.got_only_move = 0;
5053 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5055 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5056 strcat(bookMove, bookHit);
5057 HandleMachineMove(bookMove, &first);
5066 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5067 ics_getting_history = H_REQUESTED;
5068 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5074 SendToBoth (char *msg)
5075 { // to make it easy to keep two engines in step in dual analysis
5076 SendToProgram(msg, &first);
5077 if(second.analyzing) SendToProgram(msg, &second);
5081 AnalysisPeriodicEvent (int force)
5083 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5084 && !force) || !appData.periodicUpdates)
5087 /* Send . command to Crafty to collect stats */
5090 /* Don't send another until we get a response (this makes
5091 us stop sending to old Crafty's which don't understand
5092 the "." command (sending illegal cmds resets node count & time,
5093 which looks bad)) */
5094 programStats.ok_to_send = 0;
5098 ics_update_width (int new_width)
5100 ics_printf("set width %d\n", new_width);
5104 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5108 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5109 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5110 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5111 SendToProgram(buf, cps);
5114 // null move in variant where engine does not understand it (for analysis purposes)
5115 SendBoard(cps, moveNum + 1); // send position after move in stead.
5118 if (cps->useUsermove) {
5119 SendToProgram("usermove ", cps);
5123 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5124 int len = space - parseList[moveNum];
5125 memcpy(buf, parseList[moveNum], len);
5127 buf[len] = NULLCHAR;
5129 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5131 SendToProgram(buf, cps);
5133 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5134 AlphaRank(moveList[moveNum], 4);
5135 SendToProgram(moveList[moveNum], cps);
5136 AlphaRank(moveList[moveNum], 4); // and back
5138 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5139 * the engine. It would be nice to have a better way to identify castle
5141 if(appData.fischerCastling && cps->useOOCastle) {
5142 int fromX = moveList[moveNum][0] - AAA;
5143 int fromY = moveList[moveNum][1] - ONE;
5144 int toX = moveList[moveNum][2] - AAA;
5145 int toY = moveList[moveNum][3] - ONE;
5146 if((boards[moveNum][fromY][fromX] == WhiteKing
5147 && boards[moveNum][toY][toX] == WhiteRook)
5148 || (boards[moveNum][fromY][fromX] == BlackKing
5149 && boards[moveNum][toY][toX] == BlackRook)) {
5150 if(toX > fromX) SendToProgram("O-O\n", cps);
5151 else SendToProgram("O-O-O\n", cps);
5153 else SendToProgram(moveList[moveNum], cps);
5155 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5156 char *m = moveList[moveNum];
5158 *c = m[7]; // promoChar
5159 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5160 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5163 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5164 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5166 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to three moves
5171 m[2], m[3] - '0', c);
5173 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5176 m[2], m[3] - '0', c);
5177 SendToProgram(buf, cps);
5179 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5180 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5181 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5182 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5183 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5185 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5186 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5187 SendToProgram(buf, cps);
5189 else SendToProgram(moveList[moveNum], cps);
5190 /* End of additions by Tord */
5193 /* [HGM] setting up the opening has brought engine in force mode! */
5194 /* Send 'go' if we are in a mode where machine should play. */
5195 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5196 (gameMode == TwoMachinesPlay ||
5198 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5200 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5201 SendToProgram("go\n", cps);
5202 if (appData.debugMode) {
5203 fprintf(debugFP, "(extra)\n");
5206 setboardSpoiledMachineBlack = 0;
5210 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5212 char user_move[MSG_SIZ];
5215 if(gameInfo.variant == VariantSChess && promoChar) {
5216 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5217 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5218 } else suffix[0] = NULLCHAR;
5222 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5223 (int)moveType, fromX, fromY, toX, toY);
5224 DisplayError(user_move + strlen("say "), 0);
5226 case WhiteKingSideCastle:
5227 case BlackKingSideCastle:
5228 case WhiteQueenSideCastleWild:
5229 case BlackQueenSideCastleWild:
5231 case WhiteHSideCastleFR:
5232 case BlackHSideCastleFR:
5234 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5236 case WhiteQueenSideCastle:
5237 case BlackQueenSideCastle:
5238 case WhiteKingSideCastleWild:
5239 case BlackKingSideCastleWild:
5241 case WhiteASideCastleFR:
5242 case BlackASideCastleFR:
5244 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5246 case WhiteNonPromotion:
5247 case BlackNonPromotion:
5248 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5250 case WhitePromotion:
5251 case BlackPromotion:
5252 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5253 gameInfo.variant == VariantMakruk)
5254 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5255 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5256 PieceToChar(WhiteFerz));
5257 else if(gameInfo.variant == VariantGreat)
5258 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5259 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5260 PieceToChar(WhiteMan));
5262 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5263 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5269 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5270 ToUpper(PieceToChar((ChessSquare) fromX)),
5271 AAA + toX, ONE + toY);
5273 case IllegalMove: /* could be a variant we don't quite understand */
5274 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5276 case WhiteCapturesEnPassant:
5277 case BlackCapturesEnPassant:
5278 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5279 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5282 SendToICS(user_move);
5283 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5284 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5289 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5290 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5291 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5292 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5293 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5296 if(gameMode != IcsExamining) { // is this ever not the case?
5297 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5299 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5300 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5301 } else { // on FICS we must first go to general examine mode
5302 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5304 if(gameInfo.variant != VariantNormal) {
5305 // try figure out wild number, as xboard names are not always valid on ICS
5306 for(i=1; i<=36; i++) {
5307 snprintf(buf, MSG_SIZ, "wild/%d", i);
5308 if(StringToVariant(buf) == gameInfo.variant) break;
5310 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5311 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5312 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5313 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5314 SendToICS(ics_prefix);
5316 if(startedFromSetupPosition || backwardMostMove != 0) {
5317 fen = PositionToFEN(backwardMostMove, NULL, 1);
5318 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5319 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5321 } else { // FICS: everything has to set by separate bsetup commands
5322 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5323 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5325 if(!WhiteOnMove(backwardMostMove)) {
5326 SendToICS("bsetup tomove black\n");
5328 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5329 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5331 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5332 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5334 i = boards[backwardMostMove][EP_STATUS];
5335 if(i >= 0) { // set e.p.
5336 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5342 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5343 SendToICS("bsetup done\n"); // switch to normal examining.
5345 for(i = backwardMostMove; i<last; i++) {
5347 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5348 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5349 int len = strlen(moveList[i]);
5350 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5351 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5355 SendToICS(ics_prefix);
5356 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5359 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5363 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5365 if (rf == DROP_RANK) {
5366 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5367 sprintf(move, "%c@%c%c\n",
5368 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5370 if (promoChar == 'x' || promoChar == NULLCHAR) {
5371 sprintf(move, "%c%c%c%c\n",
5372 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5373 if(killX >= 0 && killY >= 0) {
5374 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5375 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5378 sprintf(move, "%c%c%c%c%c\n",
5379 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5380 if(killX >= 0 && killY >= 0) {
5381 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5382 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5389 ProcessICSInitScript (FILE *f)
5393 while (fgets(buf, MSG_SIZ, f)) {
5394 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5401 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5403 static ClickType lastClickType;
5406 PieceInString (char *s, ChessSquare piece)
5408 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5409 while((p = strchr(s, ID))) {
5410 if(!suffix || p[1] == suffix) return TRUE;
5417 Partner (ChessSquare *p)
5418 { // change piece into promotion partner if one shogi-promotes to the other
5419 ChessSquare partner = promoPartner[*p];
5420 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5421 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5429 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5430 static int toggleFlag;
5431 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5432 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5433 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5434 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5435 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5436 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5438 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5439 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5440 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5441 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5442 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5443 if(!step) step = -1;
5444 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5445 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5446 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5447 promoSweep == pawn ||
5448 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5449 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5451 int victim = boards[currentMove][toY][toX];
5452 boards[currentMove][toY][toX] = promoSweep;
5453 DrawPosition(FALSE, boards[currentMove]);
5454 boards[currentMove][toY][toX] = victim;
5456 ChangeDragPiece(promoSweep);
5460 PromoScroll (int x, int y)
5464 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5465 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5466 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5467 if(!step) return FALSE;
5468 lastX = x; lastY = y;
5469 if((promoSweep < BlackPawn) == flipView) step = -step;
5470 if(step > 0) selectFlag = 1;
5471 if(!selectFlag) Sweep(step);
5476 NextPiece (int step)
5478 ChessSquare piece = boards[currentMove][toY][toX];
5481 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5482 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5483 if(!step) step = -1;
5484 } while(PieceToChar(pieceSweep) == '.');
5485 boards[currentMove][toY][toX] = pieceSweep;
5486 DrawPosition(FALSE, boards[currentMove]);
5487 boards[currentMove][toY][toX] = piece;
5489 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5491 AlphaRank (char *move, int n)
5493 // char *p = move, c; int x, y;
5495 if (appData.debugMode) {
5496 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5500 move[2]>='0' && move[2]<='9' &&
5501 move[3]>='a' && move[3]<='x' ) {
5503 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5504 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5506 if(move[0]>='0' && move[0]<='9' &&
5507 move[1]>='a' && move[1]<='x' &&
5508 move[2]>='0' && move[2]<='9' &&
5509 move[3]>='a' && move[3]<='x' ) {
5510 /* input move, Shogi -> normal */
5511 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5512 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5513 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5514 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5517 move[3]>='0' && move[3]<='9' &&
5518 move[2]>='a' && move[2]<='x' ) {
5520 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5521 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5524 move[0]>='a' && move[0]<='x' &&
5525 move[3]>='0' && move[3]<='9' &&
5526 move[2]>='a' && move[2]<='x' ) {
5527 /* output move, normal -> Shogi */
5528 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5529 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5530 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5531 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5532 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5534 if (appData.debugMode) {
5535 fprintf(debugFP, " out = '%s'\n", move);
5539 char yy_textstr[8000];
5541 /* Parser for moves from gnuchess, ICS, or user typein box */
5543 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5545 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5547 switch (*moveType) {
5548 case WhitePromotion:
5549 case BlackPromotion:
5550 case WhiteNonPromotion:
5551 case BlackNonPromotion:
5554 case WhiteCapturesEnPassant:
5555 case BlackCapturesEnPassant:
5556 case WhiteKingSideCastle:
5557 case WhiteQueenSideCastle:
5558 case BlackKingSideCastle:
5559 case BlackQueenSideCastle:
5560 case WhiteKingSideCastleWild:
5561 case WhiteQueenSideCastleWild:
5562 case BlackKingSideCastleWild:
5563 case BlackQueenSideCastleWild:
5564 /* Code added by Tord: */
5565 case WhiteHSideCastleFR:
5566 case WhiteASideCastleFR:
5567 case BlackHSideCastleFR:
5568 case BlackASideCastleFR:
5569 /* End of code added by Tord */
5570 case IllegalMove: /* bug or odd chess variant */
5571 if(currentMoveString[1] == '@') { // illegal drop
5572 *fromX = WhiteOnMove(moveNum) ?
5573 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5574 (int) CharToPiece(ToLower(currentMoveString[0]));
5577 *fromX = currentMoveString[0] - AAA;
5578 *fromY = currentMoveString[1] - ONE;
5579 *toX = currentMoveString[2] - AAA;
5580 *toY = currentMoveString[3] - ONE;
5581 *promoChar = currentMoveString[4];
5582 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5583 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5584 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5585 if (appData.debugMode) {
5586 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5588 *fromX = *fromY = *toX = *toY = 0;
5591 if (appData.testLegality) {
5592 return (*moveType != IllegalMove);
5594 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5595 // [HGM] lion: if this is a double move we are less critical
5596 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5601 *fromX = *moveType == WhiteDrop ?
5602 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5603 (int) CharToPiece(ToLower(currentMoveString[0]));
5606 *toX = currentMoveString[2] - AAA;
5607 *toY = currentMoveString[3] - ONE;
5608 *promoChar = NULLCHAR;
5612 case ImpossibleMove:
5622 if (appData.debugMode) {
5623 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5626 *fromX = *fromY = *toX = *toY = 0;
5627 *promoChar = NULLCHAR;
5632 Boolean pushed = FALSE;
5633 char *lastParseAttempt;
5636 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5637 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5638 int fromX, fromY, toX, toY; char promoChar;
5643 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5644 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5645 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5648 endPV = forwardMostMove;
5650 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5651 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5652 lastParseAttempt = pv;
5653 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5654 if(!valid && nr == 0 &&
5655 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5656 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5657 // Hande case where played move is different from leading PV move
5658 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5659 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5660 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5661 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5662 endPV += 2; // if position different, keep this
5663 moveList[endPV-1][0] = fromX + AAA;
5664 moveList[endPV-1][1] = fromY + ONE;
5665 moveList[endPV-1][2] = toX + AAA;
5666 moveList[endPV-1][3] = toY + ONE;
5667 parseList[endPV-1][0] = NULLCHAR;
5668 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5671 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5672 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5673 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5674 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5675 valid++; // allow comments in PV
5679 if(endPV+1 > framePtr) break; // no space, truncate
5682 CopyBoard(boards[endPV], boards[endPV-1]);
5683 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5684 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5685 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5686 CoordsToAlgebraic(boards[endPV - 1],
5687 PosFlags(endPV - 1),
5688 fromY, fromX, toY, toX, promoChar,
5689 parseList[endPV - 1]);
5691 if(atEnd == 2) return; // used hidden, for PV conversion
5692 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5693 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5694 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5695 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5696 DrawPosition(TRUE, boards[currentMove]);
5700 MultiPV (ChessProgramState *cps, int kind)
5701 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5703 for(i=0; i<cps->nrOptions; i++) {
5704 char *s = cps->option[i].name;
5705 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5706 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5707 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5712 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5713 static int multi, pv_margin;
5714 static ChessProgramState *activeCps;
5717 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5719 int startPV, lineStart, origIndex = index;
5720 char *p, buf2[MSG_SIZ];
5721 ChessProgramState *cps = (pane ? &second : &first);
5723 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5724 lastX = x; lastY = y;
5725 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5726 lineStart = startPV = index;
5727 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5728 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5730 do{ while(buf[index] && buf[index] != '\n') index++;
5731 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5733 if(lineStart == 0 && gameMode == AnalyzeMode) {
5735 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5736 if(n == 0) { // click not on "fewer" or "more"
5737 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5738 pv_margin = cps->option[multi].value;
5739 activeCps = cps; // non-null signals margin adjustment
5741 } else if((multi = MultiPV(cps, 1)) >= 0) {
5742 n += cps->option[multi].value; if(n < 1) n = 1;
5743 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5744 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5745 cps->option[multi].value = n;
5749 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5750 ExcludeClick(origIndex - lineStart);
5752 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5753 Collapse(origIndex - lineStart);
5756 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5757 *start = startPV; *end = index-1;
5758 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5765 static char buf[10*MSG_SIZ];
5766 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5768 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5769 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5770 for(i = forwardMostMove; i<endPV; i++){
5771 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5772 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5775 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5776 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5777 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5783 LoadPV (int x, int y)
5784 { // called on right mouse click to load PV
5785 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5786 lastX = x; lastY = y;
5787 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5795 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5797 if(pv_margin != activeCps->option[multi].value) {
5799 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5800 SendToProgram(buf, activeCps);
5801 activeCps->option[multi].value = pv_margin;
5806 if(endPV < 0) return;
5807 if(appData.autoCopyPV) CopyFENToClipboard();
5809 if(extendGame && currentMove > forwardMostMove) {
5810 Boolean saveAnimate = appData.animate;
5812 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5813 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5814 } else storedGames--; // abandon shelved tail of original game
5817 forwardMostMove = currentMove;
5818 currentMove = oldFMM;
5819 appData.animate = FALSE;
5820 ToNrEvent(forwardMostMove);
5821 appData.animate = saveAnimate;
5823 currentMove = forwardMostMove;
5824 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5825 ClearPremoveHighlights();
5826 DrawPosition(TRUE, boards[currentMove]);
5830 MovePV (int x, int y, int h)
5831 { // step through PV based on mouse coordinates (called on mouse move)
5832 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5834 if(activeCps) { // adjusting engine's multi-pv margin
5835 if(x > lastX) pv_margin++; else
5836 if(x < lastX) pv_margin -= (pv_margin > 0);
5839 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5840 DisplayMessage(buf, "");
5845 // we must somehow check if right button is still down (might be released off board!)
5846 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5847 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5848 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5850 lastX = x; lastY = y;
5852 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5853 if(endPV < 0) return;
5854 if(y < margin) step = 1; else
5855 if(y > h - margin) step = -1;
5856 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5857 currentMove += step;
5858 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5859 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5860 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5861 DrawPosition(FALSE, boards[currentMove]);
5865 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5866 // All positions will have equal probability, but the current method will not provide a unique
5867 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5873 int piecesLeft[(int)BlackPawn];
5874 int seed, nrOfShuffles;
5877 GetPositionNumber ()
5878 { // sets global variable seed
5881 seed = appData.defaultFrcPosition;
5882 if(seed < 0) { // randomize based on time for negative FRC position numbers
5883 for(i=0; i<50; i++) seed += random();
5884 seed = random() ^ random() >> 8 ^ random() << 8;
5885 if(seed<0) seed = -seed;
5890 put (Board board, int pieceType, int rank, int n, int shade)
5891 // put the piece on the (n-1)-th empty squares of the given shade
5895 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5896 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5897 board[rank][i] = (ChessSquare) pieceType;
5898 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5900 piecesLeft[pieceType]--;
5909 AddOnePiece (Board board, int pieceType, int rank, int shade)
5910 // calculate where the next piece goes, (any empty square), and put it there
5914 i = seed % squaresLeft[shade];
5915 nrOfShuffles *= squaresLeft[shade];
5916 seed /= squaresLeft[shade];
5917 put(board, pieceType, rank, i, shade);
5921 AddTwoPieces (Board board, int pieceType, int rank)
5922 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5924 int i, n=squaresLeft[ANY], j=n-1, k;
5926 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5927 i = seed % k; // pick one
5930 while(i >= j) i -= j--;
5931 j = n - 1 - j; i += j;
5932 put(board, pieceType, rank, j, ANY);
5933 put(board, pieceType, rank, i, ANY);
5937 SetUpShuffle (Board board, int number)
5941 GetPositionNumber(); nrOfShuffles = 1;
5943 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5944 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5945 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5947 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5949 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5950 p = (int) board[0][i];
5951 if(p < (int) BlackPawn) piecesLeft[p] ++;
5952 board[0][i] = EmptySquare;
5955 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5956 // shuffles restricted to allow normal castling put KRR first
5957 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5958 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5959 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5960 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5961 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5962 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5963 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5964 put(board, WhiteRook, 0, 0, ANY);
5965 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5968 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5969 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5970 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5971 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5972 while(piecesLeft[p] >= 2) {
5973 AddOnePiece(board, p, 0, LITE);
5974 AddOnePiece(board, p, 0, DARK);
5976 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5979 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5980 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5981 // but we leave King and Rooks for last, to possibly obey FRC restriction
5982 if(p == (int)WhiteRook) continue;
5983 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5984 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5987 // now everything is placed, except perhaps King (Unicorn) and Rooks
5989 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5990 // Last King gets castling rights
5991 while(piecesLeft[(int)WhiteUnicorn]) {
5992 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5993 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5996 while(piecesLeft[(int)WhiteKing]) {
5997 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5998 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6003 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6004 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6007 // Only Rooks can be left; simply place them all
6008 while(piecesLeft[(int)WhiteRook]) {
6009 i = put(board, WhiteRook, 0, 0, ANY);
6010 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6013 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6015 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6018 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6019 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6022 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6026 ptclen (const char *s, char *escapes)
6029 if(!*escapes) return strlen(s);
6030 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6035 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6036 /* [HGM] moved here from winboard.c because of its general usefulness */
6037 /* Basically a safe strcpy that uses the last character as King */
6039 int result = FALSE; int NrPieces;
6040 unsigned char partner[EmptySquare];
6042 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6043 && NrPieces >= 12 && !(NrPieces&1)) {
6044 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6046 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6047 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6049 if(map[j] == '/') offs = WhitePBishop - i, j++;
6050 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6051 table[i+offs] = map[j++];
6052 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6053 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6054 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6056 table[(int) WhiteKing] = map[j++];
6057 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6059 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6060 i = WHITE_TO_BLACK ii;
6061 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6062 table[i+offs] = map[j++];
6063 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6064 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6065 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6067 table[(int) BlackKing] = map[j++];
6070 if(*escapes) { // set up promotion pairing
6071 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6072 // pieceToChar entirely filled, so we can look up specified partners
6073 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6075 if(c == '^' || c == '-') { // has specified partner
6077 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6078 if(c == '^') table[i] = '+';
6079 if(p < EmptySquare) {
6080 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6081 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6082 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6084 } else if(c == '*') {
6085 table[i] = partner[i];
6086 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6098 SetCharTable (unsigned char *table, const char * map)
6100 return SetCharTableEsc(table, map, "");
6104 Prelude (Board board)
6105 { // [HGM] superchess: random selection of exo-pieces
6106 int i, j, k; ChessSquare p;
6107 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6109 GetPositionNumber(); // use FRC position number
6111 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6112 SetCharTable(pieceToChar, appData.pieceToCharTable);
6113 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6114 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6117 j = seed%4; seed /= 4;
6118 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6119 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6120 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6121 j = seed%3 + (seed%3 >= j); seed /= 3;
6122 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6123 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6124 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6125 j = seed%3; seed /= 3;
6126 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6127 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6128 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6129 j = seed%2 + (seed%2 >= j); seed /= 2;
6130 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6131 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6132 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6133 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6134 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6135 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6136 put(board, exoPieces[0], 0, 0, ANY);
6137 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6141 InitPosition (int redraw)
6143 ChessSquare (* pieces)[BOARD_FILES];
6144 int i, j, pawnRow=1, pieceRows=1, overrule,
6145 oldx = gameInfo.boardWidth,
6146 oldy = gameInfo.boardHeight,
6147 oldh = gameInfo.holdingsWidth;
6150 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6152 /* [AS] Initialize pv info list [HGM] and game status */
6154 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6155 pvInfoList[i].depth = 0;
6156 boards[i][EP_STATUS] = EP_NONE;
6157 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6160 initialRulePlies = 0; /* 50-move counter start */
6162 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6163 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6167 /* [HGM] logic here is completely changed. In stead of full positions */
6168 /* the initialized data only consist of the two backranks. The switch */
6169 /* selects which one we will use, which is than copied to the Board */
6170 /* initialPosition, which for the rest is initialized by Pawns and */
6171 /* empty squares. This initial position is then copied to boards[0], */
6172 /* possibly after shuffling, so that it remains available. */
6174 gameInfo.holdingsWidth = 0; /* default board sizes */
6175 gameInfo.boardWidth = 8;
6176 gameInfo.boardHeight = 8;
6177 gameInfo.holdingsSize = 0;
6178 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6179 for(i=0; i<BOARD_FILES-6; i++)
6180 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6181 initialPosition[EP_STATUS] = EP_NONE;
6182 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6183 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6184 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6185 SetCharTable(pieceNickName, appData.pieceNickNames);
6186 else SetCharTable(pieceNickName, "............");
6189 switch (gameInfo.variant) {
6190 case VariantFischeRandom:
6191 shuffleOpenings = TRUE;
6192 appData.fischerCastling = TRUE;
6195 case VariantShatranj:
6196 pieces = ShatranjArray;
6197 nrCastlingRights = 0;
6198 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6201 pieces = makrukArray;
6202 nrCastlingRights = 0;
6203 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6206 pieces = aseanArray;
6207 nrCastlingRights = 0;
6208 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6210 case VariantTwoKings:
6211 pieces = twoKingsArray;
6214 pieces = GrandArray;
6215 nrCastlingRights = 0;
6216 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6217 gameInfo.boardWidth = 10;
6218 gameInfo.boardHeight = 10;
6219 gameInfo.holdingsSize = 7;
6221 case VariantCapaRandom:
6222 shuffleOpenings = TRUE;
6223 appData.fischerCastling = TRUE;
6224 case VariantCapablanca:
6225 pieces = CapablancaArray;
6226 gameInfo.boardWidth = 10;
6227 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6230 pieces = GothicArray;
6231 gameInfo.boardWidth = 10;
6232 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6235 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6236 gameInfo.holdingsSize = 7;
6237 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6240 pieces = JanusArray;
6241 gameInfo.boardWidth = 10;
6242 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6243 nrCastlingRights = 6;
6244 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6245 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6246 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6247 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6248 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6249 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6252 pieces = FalconArray;
6253 gameInfo.boardWidth = 10;
6254 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6256 case VariantXiangqi:
6257 pieces = XiangqiArray;
6258 gameInfo.boardWidth = 9;
6259 gameInfo.boardHeight = 10;
6260 nrCastlingRights = 0;
6261 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6264 pieces = ShogiArray;
6265 gameInfo.boardWidth = 9;
6266 gameInfo.boardHeight = 9;
6267 gameInfo.holdingsSize = 7;
6268 nrCastlingRights = 0;
6269 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6272 pieces = ChuArray; pieceRows = 3;
6273 gameInfo.boardWidth = 12;
6274 gameInfo.boardHeight = 12;
6275 nrCastlingRights = 0;
6276 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6277 "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6279 case VariantCourier:
6280 pieces = CourierArray;
6281 gameInfo.boardWidth = 12;
6282 nrCastlingRights = 0;
6283 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6285 case VariantKnightmate:
6286 pieces = KnightmateArray;
6287 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6289 case VariantSpartan:
6290 pieces = SpartanArray;
6291 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6295 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6297 case VariantChuChess:
6298 pieces = ChuChessArray;
6299 gameInfo.boardWidth = 10;
6300 gameInfo.boardHeight = 10;
6301 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6304 pieces = fairyArray;
6305 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6308 pieces = GreatArray;
6309 gameInfo.boardWidth = 10;
6310 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6311 gameInfo.holdingsSize = 8;
6315 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6316 gameInfo.holdingsSize = 8;
6317 startedFromSetupPosition = TRUE;
6319 case VariantCrazyhouse:
6320 case VariantBughouse:
6322 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6323 gameInfo.holdingsSize = 5;
6325 case VariantWildCastle:
6327 /* !!?shuffle with kings guaranteed to be on d or e file */
6328 shuffleOpenings = 1;
6330 case VariantNoCastle:
6332 nrCastlingRights = 0;
6333 /* !!?unconstrained back-rank shuffle */
6334 shuffleOpenings = 1;
6339 if(appData.NrFiles >= 0) {
6340 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6341 gameInfo.boardWidth = appData.NrFiles;
6343 if(appData.NrRanks >= 0) {
6344 gameInfo.boardHeight = appData.NrRanks;
6346 if(appData.holdingsSize >= 0) {
6347 i = appData.holdingsSize;
6348 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6349 gameInfo.holdingsSize = i;
6351 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6352 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6353 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6355 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6356 if(pawnRow < 1) pawnRow = 1;
6357 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6358 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6359 if(gameInfo.variant == VariantChu) pawnRow = 3;
6361 /* User pieceToChar list overrules defaults */
6362 if(appData.pieceToCharTable != NULL)
6363 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6365 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6367 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6368 s = (ChessSquare) 0; /* account holding counts in guard band */
6369 for( i=0; i<BOARD_HEIGHT; i++ )
6370 initialPosition[i][j] = s;
6372 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6373 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6374 initialPosition[pawnRow][j] = WhitePawn;
6375 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6376 if(gameInfo.variant == VariantXiangqi) {
6378 initialPosition[pawnRow][j] =
6379 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6380 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6381 initialPosition[2][j] = WhiteCannon;
6382 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6386 if(gameInfo.variant == VariantChu) {
6387 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6388 initialPosition[pawnRow+1][j] = WhiteCobra,
6389 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6390 for(i=1; i<pieceRows; i++) {
6391 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6392 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6395 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6396 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6397 initialPosition[0][j] = WhiteRook;
6398 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6401 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6403 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6404 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6407 initialPosition[1][j] = WhiteBishop;
6408 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6410 initialPosition[1][j] = WhiteRook;
6411 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6414 if( nrCastlingRights == -1) {
6415 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6416 /* This sets default castling rights from none to normal corners */
6417 /* Variants with other castling rights must set them themselves above */
6418 nrCastlingRights = 6;
6420 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6421 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6422 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6423 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6424 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6425 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6428 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6429 if(gameInfo.variant == VariantGreat) { // promotion commoners
6430 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6431 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6432 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6433 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6435 if( gameInfo.variant == VariantSChess ) {
6436 initialPosition[1][0] = BlackMarshall;
6437 initialPosition[2][0] = BlackAngel;
6438 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6439 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6440 initialPosition[1][1] = initialPosition[2][1] =
6441 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6443 if (appData.debugMode) {
6444 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6446 if(shuffleOpenings) {
6447 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6448 startedFromSetupPosition = TRUE;
6450 if(startedFromPositionFile) {
6451 /* [HGM] loadPos: use PositionFile for every new game */
6452 CopyBoard(initialPosition, filePosition);
6453 for(i=0; i<nrCastlingRights; i++)
6454 initialRights[i] = filePosition[CASTLING][i];
6455 startedFromSetupPosition = TRUE;
6458 CopyBoard(boards[0], initialPosition);
6460 if(oldx != gameInfo.boardWidth ||
6461 oldy != gameInfo.boardHeight ||
6462 oldv != gameInfo.variant ||
6463 oldh != gameInfo.holdingsWidth
6465 InitDrawingSizes(-2 ,0);
6467 oldv = gameInfo.variant;
6469 DrawPosition(TRUE, boards[currentMove]);
6473 SendBoard (ChessProgramState *cps, int moveNum)
6475 char message[MSG_SIZ];
6477 if (cps->useSetboard) {
6478 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6479 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6480 SendToProgram(message, cps);
6485 int i, j, left=0, right=BOARD_WIDTH;
6486 /* Kludge to set black to move, avoiding the troublesome and now
6487 * deprecated "black" command.
6489 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6490 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6492 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6494 SendToProgram("edit\n", cps);
6495 SendToProgram("#\n", cps);
6496 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6497 bp = &boards[moveNum][i][left];
6498 for (j = left; j < right; j++, bp++) {
6499 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6500 if ((int) *bp < (int) BlackPawn) {
6501 if(j == BOARD_RGHT+1)
6502 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6503 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6504 if(message[0] == '+' || message[0] == '~') {
6505 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6506 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6507 AAA + j, ONE + i - '0');
6509 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6510 message[1] = BOARD_RGHT - 1 - j + '1';
6511 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6513 SendToProgram(message, cps);
6518 SendToProgram("c\n", cps);
6519 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6520 bp = &boards[moveNum][i][left];
6521 for (j = left; j < right; j++, bp++) {
6522 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6523 if (((int) *bp != (int) EmptySquare)
6524 && ((int) *bp >= (int) BlackPawn)) {
6525 if(j == BOARD_LEFT-2)
6526 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6527 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6528 AAA + j, ONE + i - '0');
6529 if(message[0] == '+' || message[0] == '~') {
6530 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6531 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6532 AAA + j, ONE + i - '0');
6534 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6535 message[1] = BOARD_RGHT - 1 - j + '1';
6536 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6538 SendToProgram(message, cps);
6543 SendToProgram(".\n", cps);
6545 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6548 char exclusionHeader[MSG_SIZ];
6549 int exCnt, excludePtr;
6550 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6551 static Exclusion excluTab[200];
6552 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6558 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6559 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6565 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6566 excludePtr = 24; exCnt = 0;
6571 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6572 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6573 char buf[2*MOVE_LEN], *p;
6574 Exclusion *e = excluTab;
6576 for(i=0; i<exCnt; i++)
6577 if(e[i].ff == fromX && e[i].fr == fromY &&
6578 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6579 if(i == exCnt) { // was not in exclude list; add it
6580 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6581 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6582 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6585 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6586 excludePtr++; e[i].mark = excludePtr++;
6587 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6590 exclusionHeader[e[i].mark] = state;
6594 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6595 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6599 if((signed char)promoChar == -1) { // kludge to indicate best move
6600 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6601 return 1; // if unparsable, abort
6603 // update exclusion map (resolving toggle by consulting existing state)
6604 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6606 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6607 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6608 excludeMap[k] |= 1<<j;
6609 else excludeMap[k] &= ~(1<<j);
6611 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6613 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6614 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6616 return (state == '+');
6620 ExcludeClick (int index)
6623 Exclusion *e = excluTab;
6624 if(index < 25) { // none, best or tail clicked
6625 if(index < 13) { // none: include all
6626 WriteMap(0); // clear map
6627 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6628 SendToBoth("include all\n"); // and inform engine
6629 } else if(index > 18) { // tail
6630 if(exclusionHeader[19] == '-') { // tail was excluded
6631 SendToBoth("include all\n");
6632 WriteMap(0); // clear map completely
6633 // now re-exclude selected moves
6634 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6635 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6636 } else { // tail was included or in mixed state
6637 SendToBoth("exclude all\n");
6638 WriteMap(0xFF); // fill map completely
6639 // now re-include selected moves
6640 j = 0; // count them
6641 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6642 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6643 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6646 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6649 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6650 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6651 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6658 DefaultPromoChoice (int white)
6661 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6662 gameInfo.variant == VariantMakruk)
6663 result = WhiteFerz; // no choice
6664 else if(gameInfo.variant == VariantASEAN)
6665 result = WhiteRook; // no choice
6666 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6667 result= WhiteKing; // in Suicide Q is the last thing we want
6668 else if(gameInfo.variant == VariantSpartan)
6669 result = white ? WhiteQueen : WhiteAngel;
6670 else result = WhiteQueen;
6671 if(!white) result = WHITE_TO_BLACK result;
6675 static int autoQueen; // [HGM] oneclick
6678 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6680 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6681 /* [HGM] add Shogi promotions */
6682 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6683 ChessSquare piece, partner;
6687 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6688 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6690 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6691 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6694 piece = boards[currentMove][fromY][fromX];
6695 if(gameInfo.variant == VariantChu) {
6696 promotionZoneSize = BOARD_HEIGHT/3;
6697 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6698 } else if(gameInfo.variant == VariantShogi) {
6699 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6700 highestPromotingPiece = (int)WhiteAlfil;
6701 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6702 promotionZoneSize = 3;
6705 // Treat Lance as Pawn when it is not representing Amazon or Lance
6706 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6707 if(piece == WhiteLance) piece = WhitePawn; else
6708 if(piece == BlackLance) piece = BlackPawn;
6711 // next weed out all moves that do not touch the promotion zone at all
6712 if((int)piece >= BlackPawn) {
6713 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6715 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6716 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6718 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6719 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6720 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6724 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6726 // weed out mandatory Shogi promotions
6727 if(gameInfo.variant == VariantShogi) {
6728 if(piece >= BlackPawn) {
6729 if(toY == 0 && piece == BlackPawn ||
6730 toY == 0 && piece == BlackQueen ||
6731 toY <= 1 && piece == BlackKnight) {
6736 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6737 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6738 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6745 // weed out obviously illegal Pawn moves
6746 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6747 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6748 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6749 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6750 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6751 // note we are not allowed to test for valid (non-)capture, due to premove
6754 // we either have a choice what to promote to, or (in Shogi) whether to promote
6755 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6756 gameInfo.variant == VariantMakruk) {
6757 ChessSquare p=BlackFerz; // no choice
6758 while(p < EmptySquare) { //but make sure we use piece that exists
6759 *promoChoice = PieceToChar(p++);
6760 if(*promoChoice != '.') break;
6762 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6764 // no sense asking what we must promote to if it is going to explode...
6765 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6766 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6769 // give caller the default choice even if we will not make it
6770 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6771 partner = piece; // pieces can promote if the pieceToCharTable says so
6772 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6773 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6774 if( sweepSelect && gameInfo.variant != VariantGreat
6775 && gameInfo.variant != VariantGrand
6776 && gameInfo.variant != VariantSuper) return FALSE;
6777 if(autoQueen) return FALSE; // predetermined
6779 // suppress promotion popup on illegal moves that are not premoves
6780 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6781 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6782 if(appData.testLegality && !premove) {
6783 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6784 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6785 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6786 if(moveType != WhitePromotion && moveType != BlackPromotion)
6794 InPalace (int row, int column)
6795 { /* [HGM] for Xiangqi */
6796 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6797 column < (BOARD_WIDTH + 4)/2 &&
6798 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6803 PieceForSquare (int x, int y)
6805 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6808 return boards[currentMove][y][x];
6812 OKToStartUserMove (int x, int y)
6814 ChessSquare from_piece;
6817 if (matchMode) return FALSE;
6818 if (gameMode == EditPosition) return TRUE;
6820 if (x >= 0 && y >= 0)
6821 from_piece = boards[currentMove][y][x];
6823 from_piece = EmptySquare;
6825 if (from_piece == EmptySquare) return FALSE;
6827 white_piece = (int)from_piece >= (int)WhitePawn &&
6828 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6832 case TwoMachinesPlay:
6840 case MachinePlaysWhite:
6841 case IcsPlayingBlack:
6842 if (appData.zippyPlay) return FALSE;
6844 DisplayMoveError(_("You are playing Black"));
6849 case MachinePlaysBlack:
6850 case IcsPlayingWhite:
6851 if (appData.zippyPlay) return FALSE;
6853 DisplayMoveError(_("You are playing White"));
6858 case PlayFromGameFile:
6859 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6862 if (!white_piece && WhiteOnMove(currentMove)) {
6863 DisplayMoveError(_("It is White's turn"));
6866 if (white_piece && !WhiteOnMove(currentMove)) {
6867 DisplayMoveError(_("It is Black's turn"));
6870 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6871 /* Editing correspondence game history */
6872 /* Could disallow this or prompt for confirmation */
6877 case BeginningOfGame:
6878 if (appData.icsActive) return FALSE;
6879 if (!appData.noChessProgram) {
6881 DisplayMoveError(_("You are playing White"));
6888 if (!white_piece && WhiteOnMove(currentMove)) {
6889 DisplayMoveError(_("It is White's turn"));
6892 if (white_piece && !WhiteOnMove(currentMove)) {
6893 DisplayMoveError(_("It is Black's turn"));
6902 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6903 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6904 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6905 && gameMode != AnalyzeFile && gameMode != Training) {
6906 DisplayMoveError(_("Displayed position is not current"));
6913 OnlyMove (int *x, int *y, Boolean captures)
6915 DisambiguateClosure cl;
6916 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6918 case MachinePlaysBlack:
6919 case IcsPlayingWhite:
6920 case BeginningOfGame:
6921 if(!WhiteOnMove(currentMove)) return FALSE;
6923 case MachinePlaysWhite:
6924 case IcsPlayingBlack:
6925 if(WhiteOnMove(currentMove)) return FALSE;
6932 cl.pieceIn = EmptySquare;
6937 cl.promoCharIn = NULLCHAR;
6938 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6939 if( cl.kind == NormalMove ||
6940 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6941 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6942 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6949 if(cl.kind != ImpossibleMove) return FALSE;
6950 cl.pieceIn = EmptySquare;
6955 cl.promoCharIn = NULLCHAR;
6956 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6957 if( cl.kind == NormalMove ||
6958 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6959 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6960 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6965 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6971 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6972 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6973 int lastLoadGameUseList = FALSE;
6974 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6975 ChessMove lastLoadGameStart = EndOfFile;
6977 Boolean addToBookFlag;
6980 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6984 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6986 /* Check if the user is playing in turn. This is complicated because we
6987 let the user "pick up" a piece before it is his turn. So the piece he
6988 tried to pick up may have been captured by the time he puts it down!
6989 Therefore we use the color the user is supposed to be playing in this
6990 test, not the color of the piece that is currently on the starting
6991 square---except in EditGame mode, where the user is playing both
6992 sides; fortunately there the capture race can't happen. (It can
6993 now happen in IcsExamining mode, but that's just too bad. The user
6994 will get a somewhat confusing message in that case.)
6999 case TwoMachinesPlay:
7003 /* We switched into a game mode where moves are not accepted,
7004 perhaps while the mouse button was down. */
7007 case MachinePlaysWhite:
7008 /* User is moving for Black */
7009 if (WhiteOnMove(currentMove)) {
7010 DisplayMoveError(_("It is White's turn"));
7015 case MachinePlaysBlack:
7016 /* User is moving for White */
7017 if (!WhiteOnMove(currentMove)) {
7018 DisplayMoveError(_("It is Black's turn"));
7023 case PlayFromGameFile:
7024 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7027 case BeginningOfGame:
7030 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7031 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7032 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7033 /* User is moving for Black */
7034 if (WhiteOnMove(currentMove)) {
7035 DisplayMoveError(_("It is White's turn"));
7039 /* User is moving for White */
7040 if (!WhiteOnMove(currentMove)) {
7041 DisplayMoveError(_("It is Black's turn"));
7047 case IcsPlayingBlack:
7048 /* User is moving for Black */
7049 if (WhiteOnMove(currentMove)) {
7050 if (!appData.premove) {
7051 DisplayMoveError(_("It is White's turn"));
7052 } else if (toX >= 0 && toY >= 0) {
7055 premoveFromX = fromX;
7056 premoveFromY = fromY;
7057 premovePromoChar = promoChar;
7059 if (appData.debugMode)
7060 fprintf(debugFP, "Got premove: fromX %d,"
7061 "fromY %d, toX %d, toY %d\n",
7062 fromX, fromY, toX, toY);
7064 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7069 case IcsPlayingWhite:
7070 /* User is moving for White */
7071 if (!WhiteOnMove(currentMove)) {
7072 if (!appData.premove) {
7073 DisplayMoveError(_("It is Black's turn"));
7074 } else if (toX >= 0 && toY >= 0) {
7077 premoveFromX = fromX;
7078 premoveFromY = fromY;
7079 premovePromoChar = promoChar;
7081 if (appData.debugMode)
7082 fprintf(debugFP, "Got premove: fromX %d,"
7083 "fromY %d, toX %d, toY %d\n",
7084 fromX, fromY, toX, toY);
7086 DrawPosition(TRUE, boards[currentMove]);
7095 /* EditPosition, empty square, or different color piece;
7096 click-click move is possible */
7097 if (toX == -2 || toY == -2) {
7098 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7099 DrawPosition(FALSE, boards[currentMove]);
7101 } else if (toX >= 0 && toY >= 0) {
7102 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7103 ChessSquare p = boards[0][rf][ff];
7104 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7105 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p);
7107 boards[0][toY][toX] = boards[0][fromY][fromX];
7108 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7109 if(boards[0][fromY][0] != EmptySquare) {
7110 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7111 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7114 if(fromX == BOARD_RGHT+1) {
7115 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7116 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7117 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7120 boards[0][fromY][fromX] = gatingPiece;
7122 DrawPosition(FALSE, boards[currentMove]);
7128 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7129 pup = boards[currentMove][toY][toX];
7131 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7132 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7133 if( pup != EmptySquare ) return;
7134 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7135 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7136 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7137 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7138 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7139 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7140 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7144 /* [HGM] always test for legality, to get promotion info */
7145 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7146 fromY, fromX, toY, toX, promoChar);
7148 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7150 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7152 /* [HGM] but possibly ignore an IllegalMove result */
7153 if (appData.testLegality) {
7154 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7155 DisplayMoveError(_("Illegal move"));
7160 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7161 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7162 ClearPremoveHighlights(); // was included
7163 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7167 if(addToBookFlag) { // adding moves to book
7168 char buf[MSG_SIZ], move[MSG_SIZ];
7169 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7170 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7171 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7172 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7174 addToBookFlag = FALSE;
7179 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7182 /* Common tail of UserMoveEvent and DropMenuEvent */
7184 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7188 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7189 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7190 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7191 if(WhiteOnMove(currentMove)) {
7192 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7194 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7198 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7199 move type in caller when we know the move is a legal promotion */
7200 if(moveType == NormalMove && promoChar)
7201 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7203 /* [HGM] <popupFix> The following if has been moved here from
7204 UserMoveEvent(). Because it seemed to belong here (why not allow
7205 piece drops in training games?), and because it can only be
7206 performed after it is known to what we promote. */
7207 if (gameMode == Training) {
7208 /* compare the move played on the board to the next move in the
7209 * game. If they match, display the move and the opponent's response.
7210 * If they don't match, display an error message.
7214 CopyBoard(testBoard, boards[currentMove]);
7215 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7217 if (CompareBoards(testBoard, boards[currentMove+1])) {
7218 ForwardInner(currentMove+1);
7220 /* Autoplay the opponent's response.
7221 * if appData.animate was TRUE when Training mode was entered,
7222 * the response will be animated.
7224 saveAnimate = appData.animate;
7225 appData.animate = animateTraining;
7226 ForwardInner(currentMove+1);
7227 appData.animate = saveAnimate;
7229 /* check for the end of the game */
7230 if (currentMove >= forwardMostMove) {
7231 gameMode = PlayFromGameFile;
7233 SetTrainingModeOff();
7234 DisplayInformation(_("End of game"));
7237 DisplayError(_("Incorrect move"), 0);
7242 /* Ok, now we know that the move is good, so we can kill
7243 the previous line in Analysis Mode */
7244 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7245 && currentMove < forwardMostMove) {
7246 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7247 else forwardMostMove = currentMove;
7252 /* If we need the chess program but it's dead, restart it */
7253 ResurrectChessProgram();
7255 /* A user move restarts a paused game*/
7259 thinkOutput[0] = NULLCHAR;
7261 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7263 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7264 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7268 if (gameMode == BeginningOfGame) {
7269 if (appData.noChessProgram) {
7270 gameMode = EditGame;
7274 gameMode = MachinePlaysBlack;
7277 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7279 if (first.sendName) {
7280 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7281 SendToProgram(buf, &first);
7288 /* Relay move to ICS or chess engine */
7289 if (appData.icsActive) {
7290 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7291 gameMode == IcsExamining) {
7292 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7293 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7295 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7297 // also send plain move, in case ICS does not understand atomic claims
7298 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7302 if (first.sendTime && (gameMode == BeginningOfGame ||
7303 gameMode == MachinePlaysWhite ||
7304 gameMode == MachinePlaysBlack)) {
7305 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7307 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7308 // [HGM] book: if program might be playing, let it use book
7309 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7310 first.maybeThinking = TRUE;
7311 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7312 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7313 SendBoard(&first, currentMove+1);
7314 if(second.analyzing) {
7315 if(!second.useSetboard) SendToProgram("undo\n", &second);
7316 SendBoard(&second, currentMove+1);
7319 SendMoveToProgram(forwardMostMove-1, &first);
7320 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7322 if (currentMove == cmailOldMove + 1) {
7323 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7327 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7331 if(appData.testLegality)
7332 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7338 if (WhiteOnMove(currentMove)) {
7339 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7341 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7345 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7350 case MachinePlaysBlack:
7351 case MachinePlaysWhite:
7352 /* disable certain menu options while machine is thinking */
7353 SetMachineThinkingEnables();
7360 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7361 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7363 if(bookHit) { // [HGM] book: simulate book reply
7364 static char bookMove[MSG_SIZ]; // a bit generous?
7366 programStats.nodes = programStats.depth = programStats.time =
7367 programStats.score = programStats.got_only_move = 0;
7368 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7370 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7371 strcat(bookMove, bookHit);
7372 HandleMachineMove(bookMove, &first);
7378 MarkByFEN(char *fen)
7381 if(!appData.markers || !appData.highlightDragging) return;
7382 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7383 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7387 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7388 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7389 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7390 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7391 if(*fen == 'T') marker[r][f++] = 0; else
7392 if(*fen == 'Y') marker[r][f++] = 1; else
7393 if(*fen == 'G') marker[r][f++] = 3; else
7394 if(*fen == 'B') marker[r][f++] = 4; else
7395 if(*fen == 'C') marker[r][f++] = 5; else
7396 if(*fen == 'M') marker[r][f++] = 6; else
7397 if(*fen == 'W') marker[r][f++] = 7; else
7398 if(*fen == 'D') marker[r][f++] = 8; else
7399 if(*fen == 'R') marker[r][f++] = 2; else {
7400 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7403 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7407 DrawPosition(TRUE, NULL);
7410 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7413 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7415 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7416 Markers *m = (Markers *) closure;
7417 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7418 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7419 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7420 || kind == WhiteCapturesEnPassant
7421 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7422 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7425 static int hoverSavedValid;
7428 MarkTargetSquares (int clear)
7431 if(clear) { // no reason to ever suppress clearing
7432 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7433 hoverSavedValid = 0;
7434 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7437 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7438 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7439 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7440 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7441 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7443 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7446 DrawPosition(FALSE, NULL);
7450 Explode (Board board, int fromX, int fromY, int toX, int toY)
7452 if(gameInfo.variant == VariantAtomic &&
7453 (board[toY][toX] != EmptySquare || // capture?
7454 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7455 board[fromY][fromX] == BlackPawn )
7457 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7463 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7466 CanPromote (ChessSquare piece, int y)
7468 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7469 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7470 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7471 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7472 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7473 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7474 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7475 return (piece == BlackPawn && y <= zone ||
7476 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7477 piece == BlackLance && y <= zone ||
7478 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7482 HoverEvent (int xPix, int yPix, int x, int y)
7484 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7486 if(!first.highlight) return;
7487 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7488 if(x == oldX && y == oldY) return; // only do something if we enter new square
7489 oldFromX = fromX; oldFromY = fromY;
7490 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7491 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7492 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7493 hoverSavedValid = 1;
7494 } else if(oldX != x || oldY != y) {
7495 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7496 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7497 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7498 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7499 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7501 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7502 SendToProgram(buf, &first);
7505 // SetHighlights(fromX, fromY, x, y);
7509 void ReportClick(char *action, int x, int y)
7511 char buf[MSG_SIZ]; // Inform engine of what user does
7513 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7514 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7515 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7516 if(!first.highlight || gameMode == EditPosition) return;
7517 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7518 SendToProgram(buf, &first);
7521 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7524 LeftClick (ClickType clickType, int xPix, int yPix)
7527 Boolean saveAnimate;
7528 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7529 char promoChoice = NULLCHAR;
7531 static TimeMark lastClickTime, prevClickTime;
7533 if(flashing) return;
7535 x = EventToSquare(xPix, BOARD_WIDTH);
7536 y = EventToSquare(yPix, BOARD_HEIGHT);
7537 if (!flipView && y >= 0) {
7538 y = BOARD_HEIGHT - 1 - y;
7540 if (flipView && x >= 0) {
7541 x = BOARD_WIDTH - 1 - x;
7544 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7546 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7551 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7553 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7555 if (clickType == Press) ErrorPopDown();
7556 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7558 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7559 defaultPromoChoice = promoSweep;
7560 promoSweep = EmptySquare; // terminate sweep
7561 promoDefaultAltered = TRUE;
7562 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7565 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7566 if(clickType == Release) return; // ignore upclick of click-click destination
7567 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7568 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7569 if(gameInfo.holdingsWidth &&
7570 (WhiteOnMove(currentMove)
7571 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7572 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7573 // click in right holdings, for determining promotion piece
7574 ChessSquare p = boards[currentMove][y][x];
7575 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7576 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7577 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7578 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7583 DrawPosition(FALSE, boards[currentMove]);
7587 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7588 if(clickType == Press
7589 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7590 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7591 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7594 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7595 // could be static click on premove from-square: abort premove
7597 ClearPremoveHighlights();
7600 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7601 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7603 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7604 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7605 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7606 defaultPromoChoice = DefaultPromoChoice(side);
7609 autoQueen = appData.alwaysPromoteToQueen;
7613 gatingPiece = EmptySquare;
7614 if (clickType != Press) {
7615 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7616 DragPieceEnd(xPix, yPix); dragging = 0;
7617 DrawPosition(FALSE, NULL);
7621 doubleClick = FALSE;
7622 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7623 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7625 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7626 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7627 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7628 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7630 if (OKToStartUserMove(fromX, fromY)) {
7632 ReportClick("lift", x, y);
7633 MarkTargetSquares(0);
7634 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7635 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7636 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7637 promoSweep = defaultPromoChoice;
7638 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7639 Sweep(0); // Pawn that is going to promote: preview promotion piece
7640 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7642 if (appData.highlightDragging) {
7643 SetHighlights(fromX, fromY, -1, -1);
7647 } else fromX = fromY = -1;
7653 if (clickType == Press && gameMode != EditPosition) {
7658 // ignore off-board to clicks
7659 if(y < 0 || x < 0) return;
7661 /* Check if clicking again on the same color piece */
7662 fromP = boards[currentMove][fromY][fromX];
7663 toP = boards[currentMove][y][x];
7664 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7665 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7666 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7667 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7668 WhitePawn <= toP && toP <= WhiteKing &&
7669 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7670 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7671 (BlackPawn <= fromP && fromP <= BlackKing &&
7672 BlackPawn <= toP && toP <= BlackKing &&
7673 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7674 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7675 /* Clicked again on same color piece -- changed his mind */
7676 second = (x == fromX && y == fromY);
7677 killX = killY = kill2X = kill2Y = -1;
7678 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7679 second = FALSE; // first double-click rather than scond click
7680 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7682 promoDefaultAltered = FALSE;
7683 if(!second) MarkTargetSquares(1);
7684 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7685 if (appData.highlightDragging) {
7686 SetHighlights(x, y, -1, -1);
7690 if (OKToStartUserMove(x, y)) {
7691 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7692 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7693 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7694 gatingPiece = boards[currentMove][fromY][fromX];
7695 else gatingPiece = doubleClick ? fromP : EmptySquare;
7697 fromY = y; dragging = 1;
7698 if(!second) ReportClick("lift", x, y);
7699 MarkTargetSquares(0);
7700 DragPieceBegin(xPix, yPix, FALSE);
7701 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7702 promoSweep = defaultPromoChoice;
7703 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7704 Sweep(0); // Pawn that is going to promote: preview promotion piece
7708 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7711 // ignore clicks on holdings
7712 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7715 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7716 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7717 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7721 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7722 DragPieceEnd(xPix, yPix); dragging = 0;
7724 // a deferred attempt to click-click move an empty square on top of a piece
7725 boards[currentMove][y][x] = EmptySquare;
7727 DrawPosition(FALSE, boards[currentMove]);
7728 fromX = fromY = -1; clearFlag = 0;
7731 if (appData.animateDragging) {
7732 /* Undo animation damage if any */
7733 DrawPosition(FALSE, NULL);
7736 /* Second up/down in same square; just abort move */
7739 gatingPiece = EmptySquare;
7742 ClearPremoveHighlights();
7743 MarkTargetSquares(-1);
7744 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7746 /* First upclick in same square; start click-click mode */
7747 SetHighlights(x, y, -1, -1);
7754 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7755 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7756 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7757 DisplayMessage(_("only marked squares are legal"),"");
7758 DrawPosition(TRUE, NULL);
7759 return; // ignore to-click
7762 /* we now have a different from- and (possibly off-board) to-square */
7763 /* Completed move */
7764 if(!sweepSelecting) {
7769 piece = boards[currentMove][fromY][fromX];
7771 saveAnimate = appData.animate;
7772 if (clickType == Press) {
7773 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7774 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7775 // must be Edit Position mode with empty-square selected
7776 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7777 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7780 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7783 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7784 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7786 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7787 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7788 if(appData.sweepSelect) {
7789 promoSweep = defaultPromoChoice;
7790 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7791 selectFlag = 0; lastX = xPix; lastY = yPix;
7792 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7793 saveFlash = appData.flashCount; appData.flashCount = 0;
7794 Sweep(0); // Pawn that is going to promote: preview promotion piece
7796 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7797 MarkTargetSquares(1);
7799 return; // promo popup appears on up-click
7801 /* Finish clickclick move */
7802 if (appData.animate || appData.highlightLastMove) {
7803 SetHighlights(fromX, fromY, toX, toY);
7807 MarkTargetSquares(1);
7808 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7809 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7810 *promoRestrict = 0; appData.flashCount = saveFlash;
7811 if (appData.animate || appData.highlightLastMove) {
7812 SetHighlights(fromX, fromY, toX, toY);
7816 MarkTargetSquares(1);
7819 // [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
7820 /* Finish drag move */
7821 if (appData.highlightLastMove) {
7822 SetHighlights(fromX, fromY, toX, toY);
7827 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7828 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7829 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7830 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7831 dragging *= 2; // flag button-less dragging if we are dragging
7832 MarkTargetSquares(1);
7833 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7835 kill2X = killX; kill2Y = killY;
7836 killX = x; killY = y; // remember this square as intermediate
7837 ReportClick("put", x, y); // and inform engine
7838 ReportClick("lift", x, y);
7839 MarkTargetSquares(0);
7843 DragPieceEnd(xPix, yPix); dragging = 0;
7844 /* Don't animate move and drag both */
7845 appData.animate = FALSE;
7846 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7849 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7850 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7851 ChessSquare piece = boards[currentMove][fromY][fromX];
7852 if(gameMode == EditPosition && piece != EmptySquare &&
7853 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7856 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7857 n = PieceToNumber(piece - (int)BlackPawn);
7858 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7859 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7860 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7862 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7863 n = PieceToNumber(piece);
7864 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7865 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7866 boards[currentMove][n][BOARD_WIDTH-2]++;
7868 boards[currentMove][fromY][fromX] = EmptySquare;
7872 MarkTargetSquares(1);
7873 DrawPosition(TRUE, boards[currentMove]);
7877 // off-board moves should not be highlighted
7878 if(x < 0 || y < 0) ClearHighlights();
7879 else ReportClick("put", x, y);
7881 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7883 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7885 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7886 SetHighlights(fromX, fromY, toX, toY);
7887 MarkTargetSquares(1);
7888 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7889 // [HGM] super: promotion to captured piece selected from holdings
7890 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7891 promotionChoice = TRUE;
7892 // kludge follows to temporarily execute move on display, without promoting yet
7893 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7894 boards[currentMove][toY][toX] = p;
7895 DrawPosition(FALSE, boards[currentMove]);
7896 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7897 boards[currentMove][toY][toX] = q;
7898 DisplayMessage("Click in holdings to choose piece", "");
7901 PromotionPopUp(promoChoice);
7903 int oldMove = currentMove;
7904 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7905 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7906 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7907 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7908 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7909 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7910 DrawPosition(TRUE, boards[currentMove]);
7914 appData.animate = saveAnimate;
7915 if (appData.animate || appData.animateDragging) {
7916 /* Undo animation damage if needed */
7917 // DrawPosition(FALSE, NULL);
7922 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7923 { // front-end-free part taken out of PieceMenuPopup
7924 int whichMenu; int xSqr, ySqr;
7926 if(seekGraphUp) { // [HGM] seekgraph
7927 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7928 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7932 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7933 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7934 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7935 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7936 if(action == Press) {
7937 originalFlip = flipView;
7938 flipView = !flipView; // temporarily flip board to see game from partners perspective
7939 DrawPosition(TRUE, partnerBoard);
7940 DisplayMessage(partnerStatus, "");
7942 } else if(action == Release) {
7943 flipView = originalFlip;
7944 DrawPosition(TRUE, boards[currentMove]);
7950 xSqr = EventToSquare(x, BOARD_WIDTH);
7951 ySqr = EventToSquare(y, BOARD_HEIGHT);
7952 if (action == Release) {
7953 if(pieceSweep != EmptySquare) {
7954 EditPositionMenuEvent(pieceSweep, toX, toY);
7955 pieceSweep = EmptySquare;
7956 } else UnLoadPV(); // [HGM] pv
7958 if (action != Press) return -2; // return code to be ignored
7961 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7963 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7964 if (xSqr < 0 || ySqr < 0) return -1;
7965 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7966 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7967 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7968 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7972 if(!appData.icsEngineAnalyze) return -1;
7973 case IcsPlayingWhite:
7974 case IcsPlayingBlack:
7975 if(!appData.zippyPlay) goto noZip;
7978 case MachinePlaysWhite:
7979 case MachinePlaysBlack:
7980 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7981 if (!appData.dropMenu) {
7983 return 2; // flag front-end to grab mouse events
7985 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7986 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7989 if (xSqr < 0 || ySqr < 0) return -1;
7990 if (!appData.dropMenu || appData.testLegality &&
7991 gameInfo.variant != VariantBughouse &&
7992 gameInfo.variant != VariantCrazyhouse) return -1;
7993 whichMenu = 1; // drop menu
7999 if (((*fromX = xSqr) < 0) ||
8000 ((*fromY = ySqr) < 0)) {
8001 *fromX = *fromY = -1;
8005 *fromX = BOARD_WIDTH - 1 - *fromX;
8007 *fromY = BOARD_HEIGHT - 1 - *fromY;
8013 Wheel (int dir, int x, int y)
8015 if(gameMode == EditPosition) {
8016 int xSqr = EventToSquare(x, BOARD_WIDTH);
8017 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8018 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8019 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8021 boards[currentMove][ySqr][xSqr] += dir;
8022 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8023 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8024 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8025 DrawPosition(FALSE, boards[currentMove]);
8026 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8030 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8032 // char * hint = lastHint;
8033 FrontEndProgramStats stats;
8035 stats.which = cps == &first ? 0 : 1;
8036 stats.depth = cpstats->depth;
8037 stats.nodes = cpstats->nodes;
8038 stats.score = cpstats->score;
8039 stats.time = cpstats->time;
8040 stats.pv = cpstats->movelist;
8041 stats.hint = lastHint;
8042 stats.an_move_index = 0;
8043 stats.an_move_count = 0;
8045 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8046 stats.hint = cpstats->move_name;
8047 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8048 stats.an_move_count = cpstats->nr_moves;
8051 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
8053 SetProgramStats( &stats );
8057 ClearEngineOutputPane (int which)
8059 static FrontEndProgramStats dummyStats;
8060 dummyStats.which = which;
8061 dummyStats.pv = "#";
8062 SetProgramStats( &dummyStats );
8065 #define MAXPLAYERS 500
8068 TourneyStandings (int display)
8070 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8071 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8072 char result, *p, *names[MAXPLAYERS];
8074 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8075 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8076 names[0] = p = strdup(appData.participants);
8077 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8079 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8081 while(result = appData.results[nr]) {
8082 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8083 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8084 wScore = bScore = 0;
8086 case '+': wScore = 2; break;
8087 case '-': bScore = 2; break;
8088 case '=': wScore = bScore = 1; break;
8090 case '*': return strdup("busy"); // tourney not finished
8098 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8099 for(w=0; w<nPlayers; w++) {
8101 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8102 ranking[w] = b; points[w] = bScore; score[b] = -2;
8104 p = malloc(nPlayers*34+1);
8105 for(w=0; w<nPlayers && w<display; w++)
8106 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8112 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8113 { // count all piece types
8115 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8116 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8117 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8120 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8121 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8122 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8123 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8124 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8125 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8130 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8132 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8133 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8135 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8136 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8137 if(myPawns == 2 && nMine == 3) // KPP
8138 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8139 if(myPawns == 1 && nMine == 2) // KP
8140 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8141 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8142 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8143 if(myPawns) return FALSE;
8144 if(pCnt[WhiteRook+side])
8145 return pCnt[BlackRook-side] ||
8146 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8147 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8148 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8149 if(pCnt[WhiteCannon+side]) {
8150 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8151 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8153 if(pCnt[WhiteKnight+side])
8154 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8159 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8161 VariantClass v = gameInfo.variant;
8163 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8164 if(v == VariantShatranj) return TRUE; // always winnable through baring
8165 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8166 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8168 if(v == VariantXiangqi) {
8169 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8171 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8172 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8173 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8174 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8175 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8176 if(stale) // we have at least one last-rank P plus perhaps C
8177 return majors // KPKX
8178 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8180 return pCnt[WhiteFerz+side] // KCAK
8181 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8182 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8183 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8185 } else if(v == VariantKnightmate) {
8186 if(nMine == 1) return FALSE;
8187 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8188 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8189 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8191 if(nMine == 1) return FALSE; // bare King
8192 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
8193 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8194 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8195 // by now we have King + 1 piece (or multiple Bishops on the same color)
8196 if(pCnt[WhiteKnight+side])
8197 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8198 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8199 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8201 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8202 if(pCnt[WhiteAlfil+side])
8203 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8204 if(pCnt[WhiteWazir+side])
8205 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8212 CompareWithRights (Board b1, Board b2)
8215 if(!CompareBoards(b1, b2)) return FALSE;
8216 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8217 /* compare castling rights */
8218 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8219 rights++; /* King lost rights, while rook still had them */
8220 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8221 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8222 rights++; /* but at least one rook lost them */
8224 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8226 if( b1[CASTLING][5] != NoRights ) {
8227 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8234 Adjudicate (ChessProgramState *cps)
8235 { // [HGM] some adjudications useful with buggy engines
8236 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8237 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8238 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8239 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8240 int k, drop, count = 0; static int bare = 1;
8241 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8242 Boolean canAdjudicate = !appData.icsActive;
8244 // most tests only when we understand the game, i.e. legality-checking on
8245 if( appData.testLegality )
8246 { /* [HGM] Some more adjudications for obstinate engines */
8247 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8248 static int moveCount = 6;
8250 char *reason = NULL;
8252 /* Count what is on board. */
8253 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8255 /* Some material-based adjudications that have to be made before stalemate test */
8256 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8257 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8258 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8259 if(canAdjudicate && appData.checkMates) {
8261 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8262 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8263 "Xboard adjudication: King destroyed", GE_XBOARD );
8268 /* Bare King in Shatranj (loses) or Losers (wins) */
8269 if( nrW == 1 || nrB == 1) {
8270 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8271 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8272 if(canAdjudicate && appData.checkMates) {
8274 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8275 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8276 "Xboard adjudication: Bare king", GE_XBOARD );
8280 if( gameInfo.variant == VariantShatranj && --bare < 0)
8282 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8283 if(canAdjudicate && appData.checkMates) {
8284 /* but only adjudicate if adjudication enabled */
8286 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8287 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8288 "Xboard adjudication: Bare king", GE_XBOARD );
8295 // don't wait for engine to announce game end if we can judge ourselves
8296 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8298 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8299 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8300 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8301 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8304 reason = "Xboard adjudication: 3rd check";
8305 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8316 reason = "Xboard adjudication: Stalemate";
8317 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8318 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8319 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8320 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8321 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8322 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8323 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8324 EP_CHECKMATE : EP_WINS);
8325 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8326 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8330 reason = "Xboard adjudication: Checkmate";
8331 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8332 if(gameInfo.variant == VariantShogi) {
8333 if(forwardMostMove > backwardMostMove
8334 && moveList[forwardMostMove-1][1] == '@'
8335 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8336 reason = "XBoard adjudication: pawn-drop mate";
8337 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8343 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8345 result = GameIsDrawn; break;
8347 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8349 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8353 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8355 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8356 GameEnds( result, reason, GE_XBOARD );
8360 /* Next absolutely insufficient mating material. */
8361 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8362 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8363 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8365 /* always flag draws, for judging claims */
8366 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8368 if(canAdjudicate && appData.materialDraws) {
8369 /* but only adjudicate them if adjudication enabled */
8370 if(engineOpponent) {
8371 SendToProgram("force\n", engineOpponent); // suppress reply
8372 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8374 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8379 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8380 if(gameInfo.variant == VariantXiangqi ?
8381 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8383 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8384 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8385 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8386 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8388 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8389 { /* if the first 3 moves do not show a tactical win, declare draw */
8390 if(engineOpponent) {
8391 SendToProgram("force\n", engineOpponent); // suppress reply
8392 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8394 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8397 } else moveCount = 6;
8400 // Repetition draws and 50-move rule can be applied independently of legality testing
8402 /* Check for rep-draws */
8404 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8405 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8406 for(k = forwardMostMove-2;
8407 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8408 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8409 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8412 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8413 /* compare castling rights */
8414 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8415 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8416 rights++; /* King lost rights, while rook still had them */
8417 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8418 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8419 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8420 rights++; /* but at least one rook lost them */
8422 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8423 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8425 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8426 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8427 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8430 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8431 && appData.drawRepeats > 1) {
8432 /* adjudicate after user-specified nr of repeats */
8433 int result = GameIsDrawn;
8434 char *details = "XBoard adjudication: repetition draw";
8435 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8436 // [HGM] xiangqi: check for forbidden perpetuals
8437 int m, ourPerpetual = 1, hisPerpetual = 1;
8438 for(m=forwardMostMove; m>k; m-=2) {
8439 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8440 ourPerpetual = 0; // the current mover did not always check
8441 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8442 hisPerpetual = 0; // the opponent did not always check
8444 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8445 ourPerpetual, hisPerpetual);
8446 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8447 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8448 details = "Xboard adjudication: perpetual checking";
8450 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8451 break; // (or we would have caught him before). Abort repetition-checking loop.
8453 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8454 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8456 details = "Xboard adjudication: repetition";
8458 } else // it must be XQ
8459 // Now check for perpetual chases
8460 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8461 hisPerpetual = PerpetualChase(k, forwardMostMove);
8462 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8463 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8464 static char resdet[MSG_SIZ];
8465 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8467 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8469 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8470 break; // Abort repetition-checking loop.
8472 // if neither of us is checking or chasing all the time, or both are, it is draw
8474 if(engineOpponent) {
8475 SendToProgram("force\n", engineOpponent); // suppress reply
8476 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8478 GameEnds( result, details, GE_XBOARD );
8481 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8482 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8486 /* Now we test for 50-move draws. Determine ply count */
8487 count = forwardMostMove;
8488 /* look for last irreversble move */
8489 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8491 /* if we hit starting position, add initial plies */
8492 if( count == backwardMostMove )
8493 count -= initialRulePlies;
8494 count = forwardMostMove - count;
8495 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8496 // adjust reversible move counter for checks in Xiangqi
8497 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8498 if(i < backwardMostMove) i = backwardMostMove;
8499 while(i <= forwardMostMove) {
8500 lastCheck = inCheck; // check evasion does not count
8501 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8502 if(inCheck || lastCheck) count--; // check does not count
8507 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8508 /* this is used to judge if draw claims are legal */
8509 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8510 if(engineOpponent) {
8511 SendToProgram("force\n", engineOpponent); // suppress reply
8512 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8514 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8518 /* if draw offer is pending, treat it as a draw claim
8519 * when draw condition present, to allow engines a way to
8520 * claim draws before making their move to avoid a race
8521 * condition occurring after their move
8523 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8525 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8526 p = "Draw claim: 50-move rule";
8527 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8528 p = "Draw claim: 3-fold repetition";
8529 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8530 p = "Draw claim: insufficient mating material";
8531 if( p != NULL && canAdjudicate) {
8532 if(engineOpponent) {
8533 SendToProgram("force\n", engineOpponent); // suppress reply
8534 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8536 GameEnds( GameIsDrawn, p, GE_XBOARD );
8541 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8542 if(engineOpponent) {
8543 SendToProgram("force\n", engineOpponent); // suppress reply
8544 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8546 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8552 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8553 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8554 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8559 int pieces[10], squares[10], cnt=0, r, f, res;
8561 static PPROBE_EGBB probeBB;
8562 if(!appData.testLegality) return 10;
8563 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8564 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8565 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8566 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8567 ChessSquare piece = boards[forwardMostMove][r][f];
8568 int black = (piece >= BlackPawn);
8569 int type = piece - black*BlackPawn;
8570 if(piece == EmptySquare) continue;
8571 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8572 if(type == WhiteKing) type = WhiteQueen + 1;
8573 type = egbbCode[type];
8574 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8575 pieces[cnt] = type + black*6;
8576 if(++cnt > 5) return 11;
8578 pieces[cnt] = squares[cnt] = 0;
8580 if(loaded == 2) return 13; // loading failed before
8582 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8585 loaded = 2; // prepare for failure
8586 if(!path) return 13; // no egbb installed
8587 strncpy(buf, path + 8, MSG_SIZ);
8588 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8589 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8590 lib = LoadLibrary(buf);
8591 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8592 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8593 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8594 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8595 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8596 loaded = 1; // success!
8598 res = probeBB(forwardMostMove & 1, pieces, squares);
8599 return res > 0 ? 1 : res < 0 ? -1 : 0;
8603 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8604 { // [HGM] book: this routine intercepts moves to simulate book replies
8605 char *bookHit = NULL;
8607 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8609 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8610 SendToProgram(buf, cps);
8612 //first determine if the incoming move brings opponent into his book
8613 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8614 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8615 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8616 if(bookHit != NULL && !cps->bookSuspend) {
8617 // make sure opponent is not going to reply after receiving move to book position
8618 SendToProgram("force\n", cps);
8619 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8621 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8622 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8623 // now arrange restart after book miss
8625 // after a book hit we never send 'go', and the code after the call to this routine
8626 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8627 char buf[MSG_SIZ], *move = bookHit;
8629 int fromX, fromY, toX, toY;
8633 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8634 &fromX, &fromY, &toX, &toY, &promoChar)) {
8635 (void) CoordsToAlgebraic(boards[forwardMostMove],
8636 PosFlags(forwardMostMove),
8637 fromY, fromX, toY, toX, promoChar, move);
8639 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8643 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8644 SendToProgram(buf, cps);
8645 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8646 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8647 SendToProgram("go\n", cps);
8648 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8649 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8650 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8651 SendToProgram("go\n", cps);
8652 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8654 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8658 LoadError (char *errmess, ChessProgramState *cps)
8659 { // unloads engine and switches back to -ncp mode if it was first
8660 if(cps->initDone) return FALSE;
8661 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8662 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8665 appData.noChessProgram = TRUE;
8666 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8667 gameMode = BeginningOfGame; ModeHighlight();
8670 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8671 DisplayMessage("", ""); // erase waiting message
8672 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8677 ChessProgramState *savedState;
8679 DeferredBookMove (void)
8681 if(savedState->lastPing != savedState->lastPong)
8682 ScheduleDelayedEvent(DeferredBookMove, 10);
8684 HandleMachineMove(savedMessage, savedState);
8687 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8688 static ChessProgramState *stalledEngine;
8689 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8692 HandleMachineMove (char *message, ChessProgramState *cps)
8694 static char firstLeg[20], legs;
8695 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8696 char realname[MSG_SIZ];
8697 int fromX, fromY, toX, toY;
8699 char promoChar, roar;
8704 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8705 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8706 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8707 DisplayError(_("Invalid pairing from pairing engine"), 0);
8710 pairingReceived = 1;
8712 return; // Skim the pairing messages here.
8715 oldError = cps->userError; cps->userError = 0;
8717 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8719 * Kludge to ignore BEL characters
8721 while (*message == '\007') message++;
8724 * [HGM] engine debug message: ignore lines starting with '#' character
8726 if(cps->debug && *message == '#') return;
8729 * Look for book output
8731 if (cps == &first && bookRequested) {
8732 if (message[0] == '\t' || message[0] == ' ') {
8733 /* Part of the book output is here; append it */
8734 strcat(bookOutput, message);
8735 strcat(bookOutput, " \n");
8737 } else if (bookOutput[0] != NULLCHAR) {
8738 /* All of book output has arrived; display it */
8739 char *p = bookOutput;
8740 while (*p != NULLCHAR) {
8741 if (*p == '\t') *p = ' ';
8744 DisplayInformation(bookOutput);
8745 bookRequested = FALSE;
8746 /* Fall through to parse the current output */
8751 * Look for machine move.
8753 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8754 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8756 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8757 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8758 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8759 stalledEngine = cps;
8760 if(appData.ponderNextMove) { // bring opponent out of ponder
8761 if(gameMode == TwoMachinesPlay) {
8762 if(cps->other->pause)
8763 PauseEngine(cps->other);
8765 SendToProgram("easy\n", cps->other);
8774 /* This method is only useful on engines that support ping */
8775 if(abortEngineThink) {
8776 if (appData.debugMode) {
8777 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8779 SendToProgram("undo\n", cps);
8783 if (cps->lastPing != cps->lastPong) {
8784 /* Extra move from before last new; ignore */
8785 if (appData.debugMode) {
8786 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8793 int machineWhite = FALSE;
8796 case BeginningOfGame:
8797 /* Extra move from before last reset; ignore */
8798 if (appData.debugMode) {
8799 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8806 /* Extra move after we tried to stop. The mode test is
8807 not a reliable way of detecting this problem, but it's
8808 the best we can do on engines that don't support ping.
8810 if (appData.debugMode) {
8811 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8812 cps->which, gameMode);
8814 SendToProgram("undo\n", cps);
8817 case MachinePlaysWhite:
8818 case IcsPlayingWhite:
8819 machineWhite = TRUE;
8822 case MachinePlaysBlack:
8823 case IcsPlayingBlack:
8824 machineWhite = FALSE;
8827 case TwoMachinesPlay:
8828 machineWhite = (cps->twoMachinesColor[0] == 'w');
8831 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8832 if (appData.debugMode) {
8834 "Ignoring move out of turn by %s, gameMode %d"
8835 ", forwardMost %d\n",
8836 cps->which, gameMode, forwardMostMove);
8842 if(cps->alphaRank) AlphaRank(machineMove, 4);
8844 // [HGM] lion: (some very limited) support for Alien protocol
8845 killX = killY = kill2X = kill2Y = -1;
8846 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8847 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8848 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8851 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8852 char *q = strchr(p+1, ','); // second comma?
8853 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8854 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8855 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8857 if(firstLeg[0]) { // there was a previous leg;
8858 // only support case where same piece makes two step
8859 char buf[20], *p = machineMove+1, *q = buf+1, f;
8860 safeStrCpy(buf, machineMove, 20);
8861 while(isdigit(*q)) q++; // find start of to-square
8862 safeStrCpy(machineMove, firstLeg, 20);
8863 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8864 if(legs == 2) sscanf(p, "%c%d", &f, &kill2Y), kill2X = f - AAA, kill2Y -= ONE - '0'; // in 3-leg move 2nd kill is to-sqr of 1st leg
8865 else if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it is King move of castling)
8866 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8867 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8868 firstLeg[0] = NULLCHAR; legs = 0;
8871 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8872 &fromX, &fromY, &toX, &toY, &promoChar)) {
8873 /* Machine move could not be parsed; ignore it. */
8874 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8875 machineMove, _(cps->which));
8876 DisplayMoveError(buf1);
8877 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8878 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8879 if (gameMode == TwoMachinesPlay) {
8880 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8886 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8887 /* So we have to redo legality test with true e.p. status here, */
8888 /* to make sure an illegal e.p. capture does not slip through, */
8889 /* to cause a forfeit on a justified illegal-move complaint */
8890 /* of the opponent. */
8891 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8893 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8894 fromY, fromX, toY, toX, promoChar);
8895 if(moveType == IllegalMove) {
8896 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8897 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8898 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8901 } else if(!appData.fischerCastling)
8902 /* [HGM] Kludge to handle engines that send FRC-style castling
8903 when they shouldn't (like TSCP-Gothic) */
8905 case WhiteASideCastleFR:
8906 case BlackASideCastleFR:
8908 currentMoveString[2]++;
8910 case WhiteHSideCastleFR:
8911 case BlackHSideCastleFR:
8913 currentMoveString[2]--;
8915 default: ; // nothing to do, but suppresses warning of pedantic compilers
8918 hintRequested = FALSE;
8919 lastHint[0] = NULLCHAR;
8920 bookRequested = FALSE;
8921 /* Program may be pondering now */
8922 cps->maybeThinking = TRUE;
8923 if (cps->sendTime == 2) cps->sendTime = 1;
8924 if (cps->offeredDraw) cps->offeredDraw--;
8926 /* [AS] Save move info*/
8927 pvInfoList[ forwardMostMove ].score = programStats.score;
8928 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8929 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8931 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8933 /* Test suites abort the 'game' after one move */
8934 if(*appData.finger) {
8936 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8937 if(!f) f = fopen(appData.finger, "w");
8938 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8939 else { DisplayFatalError("Bad output file", errno, 0); return; }
8941 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8944 if(solvingTime >= 0) {
8945 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8946 totalTime += solvingTime; first.matchWins++;
8948 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8951 OutputKibitz(2, buf1);
8952 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8955 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8956 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8959 while( count < adjudicateLossPlies ) {
8960 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8963 score = -score; /* Flip score for winning side */
8966 if( score > appData.adjudicateLossThreshold ) {
8973 if( count >= adjudicateLossPlies ) {
8974 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8976 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8977 "Xboard adjudication",
8984 if(Adjudicate(cps)) {
8985 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8986 return; // [HGM] adjudicate: for all automatic game ends
8990 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8992 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8993 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8995 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8997 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8999 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9000 char buf[3*MSG_SIZ];
9002 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9003 programStats.score / 100.,
9005 programStats.time / 100.,
9006 (unsigned int)programStats.nodes,
9007 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9008 programStats.movelist);
9014 /* [AS] Clear stats for next move */
9015 ClearProgramStats();
9016 thinkOutput[0] = NULLCHAR;
9017 hiddenThinkOutputState = 0;
9020 if (gameMode == TwoMachinesPlay) {
9021 /* [HGM] relaying draw offers moved to after reception of move */
9022 /* and interpreting offer as claim if it brings draw condition */
9023 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9024 SendToProgram("draw\n", cps->other);
9026 if (cps->other->sendTime) {
9027 SendTimeRemaining(cps->other,
9028 cps->other->twoMachinesColor[0] == 'w');
9030 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9031 if (firstMove && !bookHit) {
9033 if (cps->other->useColors) {
9034 SendToProgram(cps->other->twoMachinesColor, cps->other);
9036 SendToProgram("go\n", cps->other);
9038 cps->other->maybeThinking = TRUE;
9041 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9043 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9045 if (!pausing && appData.ringBellAfterMoves) {
9046 if(!roar) RingBell();
9050 * Reenable menu items that were disabled while
9051 * machine was thinking
9053 if (gameMode != TwoMachinesPlay)
9054 SetUserThinkingEnables();
9056 // [HGM] book: after book hit opponent has received move and is now in force mode
9057 // force the book reply into it, and then fake that it outputted this move by jumping
9058 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9060 static char bookMove[MSG_SIZ]; // a bit generous?
9062 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9063 strcat(bookMove, bookHit);
9066 programStats.nodes = programStats.depth = programStats.time =
9067 programStats.score = programStats.got_only_move = 0;
9068 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9070 if(cps->lastPing != cps->lastPong) {
9071 savedMessage = message; // args for deferred call
9073 ScheduleDelayedEvent(DeferredBookMove, 10);
9082 /* Set special modes for chess engines. Later something general
9083 * could be added here; for now there is just one kludge feature,
9084 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9085 * when "xboard" is given as an interactive command.
9087 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9088 cps->useSigint = FALSE;
9089 cps->useSigterm = FALSE;
9091 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9092 ParseFeatures(message+8, cps);
9093 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9096 if (!strncmp(message, "setup ", 6) &&
9097 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9098 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9099 ) { // [HGM] allow first engine to define opening position
9100 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9101 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9103 if(sscanf(message, "setup (%s", buf) == 1) {
9104 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9105 ASSIGN(appData.pieceToCharTable, buf);
9107 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9109 while(message[s] && message[s++] != ' ');
9110 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9111 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9112 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9113 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9114 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9115 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9116 startedFromSetupPosition = FALSE;
9119 if(startedFromSetupPosition) return;
9120 ParseFEN(boards[0], &dummy, message+s, FALSE);
9121 DrawPosition(TRUE, boards[0]);
9122 CopyBoard(initialPosition, boards[0]);
9123 startedFromSetupPosition = TRUE;
9126 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9127 ChessSquare piece = WhitePawn;
9128 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9129 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9130 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9131 piece += CharToPiece(ID & 255) - WhitePawn;
9132 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9133 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9134 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9135 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9136 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9137 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9138 && gameInfo.variant != VariantGreat
9139 && gameInfo.variant != VariantFairy ) return;
9140 if(piece < EmptySquare) {
9142 ASSIGN(pieceDesc[piece], buf1);
9143 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9147 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9148 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9152 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9153 * want this, I was asked to put it in, and obliged.
9155 if (!strncmp(message, "setboard ", 9)) {
9156 Board initial_position;
9158 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9160 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9161 DisplayError(_("Bad FEN received from engine"), 0);
9165 CopyBoard(boards[0], initial_position);
9166 initialRulePlies = FENrulePlies;
9167 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9168 else gameMode = MachinePlaysBlack;
9169 DrawPosition(FALSE, boards[currentMove]);
9175 * Look for communication commands
9177 if (!strncmp(message, "telluser ", 9)) {
9178 if(message[9] == '\\' && message[10] == '\\')
9179 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9181 DisplayNote(message + 9);
9184 if (!strncmp(message, "tellusererror ", 14)) {
9186 if(message[14] == '\\' && message[15] == '\\')
9187 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9189 DisplayError(message + 14, 0);
9192 if (!strncmp(message, "tellopponent ", 13)) {
9193 if (appData.icsActive) {
9195 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9199 DisplayNote(message + 13);
9203 if (!strncmp(message, "tellothers ", 11)) {
9204 if (appData.icsActive) {
9206 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9209 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9212 if (!strncmp(message, "tellall ", 8)) {
9213 if (appData.icsActive) {
9215 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9219 DisplayNote(message + 8);
9223 if (strncmp(message, "warning", 7) == 0) {
9224 /* Undocumented feature, use tellusererror in new code */
9225 DisplayError(message, 0);
9228 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9229 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9230 strcat(realname, " query");
9231 AskQuestion(realname, buf2, buf1, cps->pr);
9234 /* Commands from the engine directly to ICS. We don't allow these to be
9235 * sent until we are logged on. Crafty kibitzes have been known to
9236 * interfere with the login process.
9239 if (!strncmp(message, "tellics ", 8)) {
9240 SendToICS(message + 8);
9244 if (!strncmp(message, "tellicsnoalias ", 15)) {
9245 SendToICS(ics_prefix);
9246 SendToICS(message + 15);
9250 /* The following are for backward compatibility only */
9251 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9252 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9253 SendToICS(ics_prefix);
9259 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9260 if(initPing == cps->lastPong) {
9261 if(gameInfo.variant == VariantUnknown) {
9262 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9263 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9264 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9268 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9269 abortEngineThink = FALSE;
9270 DisplayMessage("", "");
9275 if(!strncmp(message, "highlight ", 10)) {
9276 if(appData.testLegality && !*engineVariant && appData.markers) return;
9277 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9280 if(!strncmp(message, "click ", 6)) {
9281 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9282 if(appData.testLegality || !appData.oneClick) return;
9283 sscanf(message+6, "%c%d%c", &f, &y, &c);
9284 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9285 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9286 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9287 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9288 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9289 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9290 LeftClick(Release, lastLeftX, lastLeftY);
9291 controlKey = (c == ',');
9292 LeftClick(Press, x, y);
9293 LeftClick(Release, x, y);
9294 first.highlight = f;
9298 * If the move is illegal, cancel it and redraw the board.
9299 * Also deal with other error cases. Matching is rather loose
9300 * here to accommodate engines written before the spec.
9302 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9303 strncmp(message, "Error", 5) == 0) {
9304 if (StrStr(message, "name") ||
9305 StrStr(message, "rating") || StrStr(message, "?") ||
9306 StrStr(message, "result") || StrStr(message, "board") ||
9307 StrStr(message, "bk") || StrStr(message, "computer") ||
9308 StrStr(message, "variant") || StrStr(message, "hint") ||
9309 StrStr(message, "random") || StrStr(message, "depth") ||
9310 StrStr(message, "accepted")) {
9313 if (StrStr(message, "protover")) {
9314 /* Program is responding to input, so it's apparently done
9315 initializing, and this error message indicates it is
9316 protocol version 1. So we don't need to wait any longer
9317 for it to initialize and send feature commands. */
9318 FeatureDone(cps, 1);
9319 cps->protocolVersion = 1;
9322 cps->maybeThinking = FALSE;
9324 if (StrStr(message, "draw")) {
9325 /* Program doesn't have "draw" command */
9326 cps->sendDrawOffers = 0;
9329 if (cps->sendTime != 1 &&
9330 (StrStr(message, "time") || StrStr(message, "otim"))) {
9331 /* Program apparently doesn't have "time" or "otim" command */
9335 if (StrStr(message, "analyze")) {
9336 cps->analysisSupport = FALSE;
9337 cps->analyzing = FALSE;
9338 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9339 EditGameEvent(); // [HGM] try to preserve loaded game
9340 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9341 DisplayError(buf2, 0);
9344 if (StrStr(message, "(no matching move)st")) {
9345 /* Special kludge for GNU Chess 4 only */
9346 cps->stKludge = TRUE;
9347 SendTimeControl(cps, movesPerSession, timeControl,
9348 timeIncrement, appData.searchDepth,
9352 if (StrStr(message, "(no matching move)sd")) {
9353 /* Special kludge for GNU Chess 4 only */
9354 cps->sdKludge = TRUE;
9355 SendTimeControl(cps, movesPerSession, timeControl,
9356 timeIncrement, appData.searchDepth,
9360 if (!StrStr(message, "llegal")) {
9363 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9364 gameMode == IcsIdle) return;
9365 if (forwardMostMove <= backwardMostMove) return;
9366 if (pausing) PauseEvent();
9367 if(appData.forceIllegal) {
9368 // [HGM] illegal: machine refused move; force position after move into it
9369 SendToProgram("force\n", cps);
9370 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9371 // we have a real problem now, as SendBoard will use the a2a3 kludge
9372 // when black is to move, while there might be nothing on a2 or black
9373 // might already have the move. So send the board as if white has the move.
9374 // But first we must change the stm of the engine, as it refused the last move
9375 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9376 if(WhiteOnMove(forwardMostMove)) {
9377 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9378 SendBoard(cps, forwardMostMove); // kludgeless board
9380 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9381 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9382 SendBoard(cps, forwardMostMove+1); // kludgeless board
9384 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9385 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9386 gameMode == TwoMachinesPlay)
9387 SendToProgram("go\n", cps);
9390 if (gameMode == PlayFromGameFile) {
9391 /* Stop reading this game file */
9392 gameMode = EditGame;
9395 /* [HGM] illegal-move claim should forfeit game when Xboard */
9396 /* only passes fully legal moves */
9397 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9398 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9399 "False illegal-move claim", GE_XBOARD );
9400 return; // do not take back move we tested as valid
9402 currentMove = forwardMostMove-1;
9403 DisplayMove(currentMove-1); /* before DisplayMoveError */
9404 SwitchClocks(forwardMostMove-1); // [HGM] race
9405 DisplayBothClocks();
9406 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9407 parseList[currentMove], _(cps->which));
9408 DisplayMoveError(buf1);
9409 DrawPosition(FALSE, boards[currentMove]);
9411 SetUserThinkingEnables();
9414 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9415 /* Program has a broken "time" command that
9416 outputs a string not ending in newline.
9420 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9421 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9422 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9426 * If chess program startup fails, exit with an error message.
9427 * Attempts to recover here are futile. [HGM] Well, we try anyway
9429 if ((StrStr(message, "unknown host") != NULL)
9430 || (StrStr(message, "No remote directory") != NULL)
9431 || (StrStr(message, "not found") != NULL)
9432 || (StrStr(message, "No such file") != NULL)
9433 || (StrStr(message, "can't alloc") != NULL)
9434 || (StrStr(message, "Permission denied") != NULL)) {
9436 cps->maybeThinking = FALSE;
9437 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9438 _(cps->which), cps->program, cps->host, message);
9439 RemoveInputSource(cps->isr);
9440 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9441 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9442 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9448 * Look for hint output
9450 if (sscanf(message, "Hint: %s", buf1) == 1) {
9451 if (cps == &first && hintRequested) {
9452 hintRequested = FALSE;
9453 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9454 &fromX, &fromY, &toX, &toY, &promoChar)) {
9455 (void) CoordsToAlgebraic(boards[forwardMostMove],
9456 PosFlags(forwardMostMove),
9457 fromY, fromX, toY, toX, promoChar, buf1);
9458 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9459 DisplayInformation(buf2);
9461 /* Hint move could not be parsed!? */
9462 snprintf(buf2, sizeof(buf2),
9463 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9464 buf1, _(cps->which));
9465 DisplayError(buf2, 0);
9468 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9474 * Ignore other messages if game is not in progress
9476 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9477 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9480 * look for win, lose, draw, or draw offer
9482 if (strncmp(message, "1-0", 3) == 0) {
9483 char *p, *q, *r = "";
9484 p = strchr(message, '{');
9492 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9494 } else if (strncmp(message, "0-1", 3) == 0) {
9495 char *p, *q, *r = "";
9496 p = strchr(message, '{');
9504 /* Kludge for Arasan 4.1 bug */
9505 if (strcmp(r, "Black resigns") == 0) {
9506 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9509 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9511 } else if (strncmp(message, "1/2", 3) == 0) {
9512 char *p, *q, *r = "";
9513 p = strchr(message, '{');
9522 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9525 } else if (strncmp(message, "White resign", 12) == 0) {
9526 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9528 } else if (strncmp(message, "Black resign", 12) == 0) {
9529 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9531 } else if (strncmp(message, "White matches", 13) == 0 ||
9532 strncmp(message, "Black matches", 13) == 0 ) {
9533 /* [HGM] ignore GNUShogi noises */
9535 } else if (strncmp(message, "White", 5) == 0 &&
9536 message[5] != '(' &&
9537 StrStr(message, "Black") == NULL) {
9538 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9540 } else if (strncmp(message, "Black", 5) == 0 &&
9541 message[5] != '(') {
9542 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9544 } else if (strcmp(message, "resign") == 0 ||
9545 strcmp(message, "computer resigns") == 0) {
9547 case MachinePlaysBlack:
9548 case IcsPlayingBlack:
9549 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9551 case MachinePlaysWhite:
9552 case IcsPlayingWhite:
9553 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9555 case TwoMachinesPlay:
9556 if (cps->twoMachinesColor[0] == 'w')
9557 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9559 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9566 } else if (strncmp(message, "opponent mates", 14) == 0) {
9568 case MachinePlaysBlack:
9569 case IcsPlayingBlack:
9570 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9572 case MachinePlaysWhite:
9573 case IcsPlayingWhite:
9574 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9576 case TwoMachinesPlay:
9577 if (cps->twoMachinesColor[0] == 'w')
9578 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9580 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9587 } else if (strncmp(message, "computer mates", 14) == 0) {
9589 case MachinePlaysBlack:
9590 case IcsPlayingBlack:
9591 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9593 case MachinePlaysWhite:
9594 case IcsPlayingWhite:
9595 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9597 case TwoMachinesPlay:
9598 if (cps->twoMachinesColor[0] == 'w')
9599 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9601 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9608 } else if (strncmp(message, "checkmate", 9) == 0) {
9609 if (WhiteOnMove(forwardMostMove)) {
9610 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9612 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9615 } else if (strstr(message, "Draw") != NULL ||
9616 strstr(message, "game is a draw") != NULL) {
9617 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9619 } else if (strstr(message, "offer") != NULL &&
9620 strstr(message, "draw") != NULL) {
9622 if (appData.zippyPlay && first.initDone) {
9623 /* Relay offer to ICS */
9624 SendToICS(ics_prefix);
9625 SendToICS("draw\n");
9628 cps->offeredDraw = 2; /* valid until this engine moves twice */
9629 if (gameMode == TwoMachinesPlay) {
9630 if (cps->other->offeredDraw) {
9631 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9632 /* [HGM] in two-machine mode we delay relaying draw offer */
9633 /* until after we also have move, to see if it is really claim */
9635 } else if (gameMode == MachinePlaysWhite ||
9636 gameMode == MachinePlaysBlack) {
9637 if (userOfferedDraw) {
9638 DisplayInformation(_("Machine accepts your draw offer"));
9639 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9641 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9648 * Look for thinking output
9650 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9651 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9653 int plylev, mvleft, mvtot, curscore, time;
9654 char mvname[MOVE_LEN];
9658 int prefixHint = FALSE;
9659 mvname[0] = NULLCHAR;
9662 case MachinePlaysBlack:
9663 case IcsPlayingBlack:
9664 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9666 case MachinePlaysWhite:
9667 case IcsPlayingWhite:
9668 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9673 case IcsObserving: /* [DM] icsEngineAnalyze */
9674 if (!appData.icsEngineAnalyze) ignore = TRUE;
9676 case TwoMachinesPlay:
9677 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9687 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9689 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9690 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9691 char score_buf[MSG_SIZ];
9693 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9694 nodes += u64Const(0x100000000);
9696 if (plyext != ' ' && plyext != '\t') {
9700 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9701 if( cps->scoreIsAbsolute &&
9702 ( gameMode == MachinePlaysBlack ||
9703 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9704 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9705 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9706 !WhiteOnMove(currentMove)
9709 curscore = -curscore;
9712 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9714 if(*bestMove) { // rememer time best EPD move was first found
9715 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9717 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9718 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9719 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9722 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9725 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9726 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9727 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9728 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9729 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9730 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9734 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9735 DisplayError(_("failed writing PV"), 0);
9738 tempStats.depth = plylev;
9739 tempStats.nodes = nodes;
9740 tempStats.time = time;
9741 tempStats.score = curscore;
9742 tempStats.got_only_move = 0;
9744 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9747 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9748 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9749 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9750 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9751 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9752 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9753 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9754 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9757 /* Buffer overflow protection */
9758 if (pv[0] != NULLCHAR) {
9759 if (strlen(pv) >= sizeof(tempStats.movelist)
9760 && appData.debugMode) {
9762 "PV is too long; using the first %u bytes.\n",
9763 (unsigned) sizeof(tempStats.movelist) - 1);
9766 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9768 sprintf(tempStats.movelist, " no PV\n");
9771 if (tempStats.seen_stat) {
9772 tempStats.ok_to_send = 1;
9775 if (strchr(tempStats.movelist, '(') != NULL) {
9776 tempStats.line_is_book = 1;
9777 tempStats.nr_moves = 0;
9778 tempStats.moves_left = 0;
9780 tempStats.line_is_book = 0;
9783 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9784 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9786 SendProgramStatsToFrontend( cps, &tempStats );
9789 [AS] Protect the thinkOutput buffer from overflow... this
9790 is only useful if buf1 hasn't overflowed first!
9792 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9793 if(curscore >= MATE_SCORE)
9794 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9795 else if(curscore <= -MATE_SCORE)
9796 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9798 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9799 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9801 (gameMode == TwoMachinesPlay ?
9802 ToUpper(cps->twoMachinesColor[0]) : ' '),
9804 prefixHint ? lastHint : "",
9805 prefixHint ? " " : "" );
9807 if( buf1[0] != NULLCHAR ) {
9808 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9810 if( strlen(pv) > max_len ) {
9811 if( appData.debugMode) {
9812 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9814 pv[max_len+1] = '\0';
9817 strcat( thinkOutput, pv);
9820 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9821 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9822 DisplayMove(currentMove - 1);
9826 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9827 /* crafty (9.25+) says "(only move) <move>"
9828 * if there is only 1 legal move
9830 sscanf(p, "(only move) %s", buf1);
9831 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9832 sprintf(programStats.movelist, "%s (only move)", buf1);
9833 programStats.depth = 1;
9834 programStats.nr_moves = 1;
9835 programStats.moves_left = 1;
9836 programStats.nodes = 1;
9837 programStats.time = 1;
9838 programStats.got_only_move = 1;
9840 /* Not really, but we also use this member to
9841 mean "line isn't going to change" (Crafty
9842 isn't searching, so stats won't change) */
9843 programStats.line_is_book = 1;
9845 SendProgramStatsToFrontend( cps, &programStats );
9847 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9848 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9849 DisplayMove(currentMove - 1);
9852 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9853 &time, &nodes, &plylev, &mvleft,
9854 &mvtot, mvname) >= 5) {
9855 /* The stat01: line is from Crafty (9.29+) in response
9856 to the "." command */
9857 programStats.seen_stat = 1;
9858 cps->maybeThinking = TRUE;
9860 if (programStats.got_only_move || !appData.periodicUpdates)
9863 programStats.depth = plylev;
9864 programStats.time = time;
9865 programStats.nodes = nodes;
9866 programStats.moves_left = mvleft;
9867 programStats.nr_moves = mvtot;
9868 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9869 programStats.ok_to_send = 1;
9870 programStats.movelist[0] = '\0';
9872 SendProgramStatsToFrontend( cps, &programStats );
9876 } else if (strncmp(message,"++",2) == 0) {
9877 /* Crafty 9.29+ outputs this */
9878 programStats.got_fail = 2;
9881 } else if (strncmp(message,"--",2) == 0) {
9882 /* Crafty 9.29+ outputs this */
9883 programStats.got_fail = 1;
9886 } else if (thinkOutput[0] != NULLCHAR &&
9887 strncmp(message, " ", 4) == 0) {
9888 unsigned message_len;
9891 while (*p && *p == ' ') p++;
9893 message_len = strlen( p );
9895 /* [AS] Avoid buffer overflow */
9896 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9897 strcat(thinkOutput, " ");
9898 strcat(thinkOutput, p);
9901 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9902 strcat(programStats.movelist, " ");
9903 strcat(programStats.movelist, p);
9906 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9907 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9908 DisplayMove(currentMove - 1);
9916 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9917 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9919 ChessProgramStats cpstats;
9921 if (plyext != ' ' && plyext != '\t') {
9925 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9926 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9927 curscore = -curscore;
9930 cpstats.depth = plylev;
9931 cpstats.nodes = nodes;
9932 cpstats.time = time;
9933 cpstats.score = curscore;
9934 cpstats.got_only_move = 0;
9935 cpstats.movelist[0] = '\0';
9937 if (buf1[0] != NULLCHAR) {
9938 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9941 cpstats.ok_to_send = 0;
9942 cpstats.line_is_book = 0;
9943 cpstats.nr_moves = 0;
9944 cpstats.moves_left = 0;
9946 SendProgramStatsToFrontend( cps, &cpstats );
9953 /* Parse a game score from the character string "game", and
9954 record it as the history of the current game. The game
9955 score is NOT assumed to start from the standard position.
9956 The display is not updated in any way.
9959 ParseGameHistory (char *game)
9962 int fromX, fromY, toX, toY, boardIndex;
9967 if (appData.debugMode)
9968 fprintf(debugFP, "Parsing game history: %s\n", game);
9970 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9971 gameInfo.site = StrSave(appData.icsHost);
9972 gameInfo.date = PGNDate();
9973 gameInfo.round = StrSave("-");
9975 /* Parse out names of players */
9976 while (*game == ' ') game++;
9978 while (*game != ' ') *p++ = *game++;
9980 gameInfo.white = StrSave(buf);
9981 while (*game == ' ') game++;
9983 while (*game != ' ' && *game != '\n') *p++ = *game++;
9985 gameInfo.black = StrSave(buf);
9988 boardIndex = blackPlaysFirst ? 1 : 0;
9991 yyboardindex = boardIndex;
9992 moveType = (ChessMove) Myylex();
9994 case IllegalMove: /* maybe suicide chess, etc. */
9995 if (appData.debugMode) {
9996 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9997 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9998 setbuf(debugFP, NULL);
10000 case WhitePromotion:
10001 case BlackPromotion:
10002 case WhiteNonPromotion:
10003 case BlackNonPromotion:
10006 case WhiteCapturesEnPassant:
10007 case BlackCapturesEnPassant:
10008 case WhiteKingSideCastle:
10009 case WhiteQueenSideCastle:
10010 case BlackKingSideCastle:
10011 case BlackQueenSideCastle:
10012 case WhiteKingSideCastleWild:
10013 case WhiteQueenSideCastleWild:
10014 case BlackKingSideCastleWild:
10015 case BlackQueenSideCastleWild:
10017 case WhiteHSideCastleFR:
10018 case WhiteASideCastleFR:
10019 case BlackHSideCastleFR:
10020 case BlackASideCastleFR:
10022 fromX = currentMoveString[0] - AAA;
10023 fromY = currentMoveString[1] - ONE;
10024 toX = currentMoveString[2] - AAA;
10025 toY = currentMoveString[3] - ONE;
10026 promoChar = currentMoveString[4];
10030 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10031 fromX = moveType == WhiteDrop ?
10032 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10033 (int) CharToPiece(ToLower(currentMoveString[0]));
10035 toX = currentMoveString[2] - AAA;
10036 toY = currentMoveString[3] - ONE;
10037 promoChar = NULLCHAR;
10039 case AmbiguousMove:
10041 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10042 if (appData.debugMode) {
10043 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10044 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10045 setbuf(debugFP, NULL);
10047 DisplayError(buf, 0);
10049 case ImpossibleMove:
10051 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10052 if (appData.debugMode) {
10053 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10054 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10055 setbuf(debugFP, NULL);
10057 DisplayError(buf, 0);
10060 if (boardIndex < backwardMostMove) {
10061 /* Oops, gap. How did that happen? */
10062 DisplayError(_("Gap in move list"), 0);
10065 backwardMostMove = blackPlaysFirst ? 1 : 0;
10066 if (boardIndex > forwardMostMove) {
10067 forwardMostMove = boardIndex;
10071 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10072 strcat(parseList[boardIndex-1], " ");
10073 strcat(parseList[boardIndex-1], yy_text);
10085 case GameUnfinished:
10086 if (gameMode == IcsExamining) {
10087 if (boardIndex < backwardMostMove) {
10088 /* Oops, gap. How did that happen? */
10091 backwardMostMove = blackPlaysFirst ? 1 : 0;
10094 gameInfo.result = moveType;
10095 p = strchr(yy_text, '{');
10096 if (p == NULL) p = strchr(yy_text, '(');
10099 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10101 q = strchr(p, *p == '{' ? '}' : ')');
10102 if (q != NULL) *q = NULLCHAR;
10105 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10106 gameInfo.resultDetails = StrSave(p);
10109 if (boardIndex >= forwardMostMove &&
10110 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10111 backwardMostMove = blackPlaysFirst ? 1 : 0;
10114 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10115 fromY, fromX, toY, toX, promoChar,
10116 parseList[boardIndex]);
10117 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10118 /* currentMoveString is set as a side-effect of yylex */
10119 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10120 strcat(moveList[boardIndex], "\n");
10122 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10123 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10129 if(!IS_SHOGI(gameInfo.variant))
10130 strcat(parseList[boardIndex - 1], "+");
10134 strcat(parseList[boardIndex - 1], "#");
10141 /* Apply a move to the given board */
10143 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10145 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10146 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10148 /* [HGM] compute & store e.p. status and castling rights for new position */
10149 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10151 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10152 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10153 board[EP_STATUS] = EP_NONE;
10154 board[EP_FILE] = board[EP_RANK] = 100;
10156 if (fromY == DROP_RANK) {
10157 /* must be first */
10158 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10159 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10162 piece = board[toY][toX] = (ChessSquare) fromX;
10164 // ChessSquare victim;
10167 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10168 // victim = board[killY][killX],
10169 killed = board[killY][killX],
10170 board[killY][killX] = EmptySquare,
10171 board[EP_STATUS] = EP_CAPTURE;
10172 if( kill2X >= 0 && kill2Y >= 0)
10173 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10176 if( board[toY][toX] != EmptySquare ) {
10177 board[EP_STATUS] = EP_CAPTURE;
10178 if( (fromX != toX || fromY != toY) && // not igui!
10179 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10180 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10181 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10185 pawn = board[fromY][fromX];
10186 if( pawn == WhiteLance || pawn == BlackLance ) {
10187 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10188 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10189 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10192 if( pawn == WhitePawn ) {
10193 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10194 board[EP_STATUS] = EP_PAWN_MOVE;
10195 if( toY-fromY>=2) {
10196 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10197 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10198 gameInfo.variant != VariantBerolina || toX < fromX)
10199 board[EP_STATUS] = toX | berolina;
10200 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10201 gameInfo.variant != VariantBerolina || toX > fromX)
10202 board[EP_STATUS] = toX;
10205 if( pawn == BlackPawn ) {
10206 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10207 board[EP_STATUS] = EP_PAWN_MOVE;
10208 if( toY-fromY<= -2) {
10209 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10210 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10211 gameInfo.variant != VariantBerolina || toX < fromX)
10212 board[EP_STATUS] = toX | berolina;
10213 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10214 gameInfo.variant != VariantBerolina || toX > fromX)
10215 board[EP_STATUS] = toX;
10219 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10220 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10221 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10222 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10224 for(i=0; i<nrCastlingRights; i++) {
10225 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10226 board[CASTLING][i] == toX && castlingRank[i] == toY
10227 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10230 if(gameInfo.variant == VariantSChess) { // update virginity
10231 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10232 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10233 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10234 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10237 if (fromX == toX && fromY == toY && killX < 0) return;
10239 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10240 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10241 if(gameInfo.variant == VariantKnightmate)
10242 king += (int) WhiteUnicorn - (int) WhiteKing;
10244 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10245 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10246 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10247 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10248 board[EP_STATUS] = EP_NONE; // capture was fake!
10250 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10251 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10252 board[toY][toX] = piece;
10253 board[EP_STATUS] = EP_NONE; // capture was fake!
10255 /* Code added by Tord: */
10256 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10257 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10258 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10259 board[EP_STATUS] = EP_NONE; // capture was fake!
10260 board[fromY][fromX] = EmptySquare;
10261 board[toY][toX] = EmptySquare;
10262 if((toX > fromX) != (piece == WhiteRook)) {
10263 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10265 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10267 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10268 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10269 board[EP_STATUS] = EP_NONE;
10270 board[fromY][fromX] = EmptySquare;
10271 board[toY][toX] = EmptySquare;
10272 if((toX > fromX) != (piece == BlackRook)) {
10273 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10275 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10277 /* End of code added by Tord */
10279 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10280 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10281 board[toY][toX] = piece;
10282 } else if (board[fromY][fromX] == king
10283 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10284 && toY == fromY && toX > fromX+1) {
10285 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10286 board[fromY][toX-1] = board[fromY][rookX];
10287 board[fromY][rookX] = EmptySquare;
10288 board[fromY][fromX] = EmptySquare;
10289 board[toY][toX] = king;
10290 } else if (board[fromY][fromX] == king
10291 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10292 && toY == fromY && toX < fromX-1) {
10293 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10294 board[fromY][toX+1] = board[fromY][rookX];
10295 board[fromY][rookX] = EmptySquare;
10296 board[fromY][fromX] = EmptySquare;
10297 board[toY][toX] = king;
10298 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10299 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10300 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10302 /* white pawn promotion */
10303 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10304 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10305 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10306 board[fromY][fromX] = EmptySquare;
10307 } else if ((fromY >= BOARD_HEIGHT>>1)
10308 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10310 && gameInfo.variant != VariantXiangqi
10311 && gameInfo.variant != VariantBerolina
10312 && (pawn == WhitePawn)
10313 && (board[toY][toX] == EmptySquare)) {
10314 board[fromY][fromX] = EmptySquare;
10315 board[toY][toX] = piece;
10316 if(toY == epRank - 128 + 1)
10317 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10319 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10320 } else if ((fromY == BOARD_HEIGHT-4)
10322 && gameInfo.variant == VariantBerolina
10323 && (board[fromY][fromX] == WhitePawn)
10324 && (board[toY][toX] == EmptySquare)) {
10325 board[fromY][fromX] = EmptySquare;
10326 board[toY][toX] = WhitePawn;
10327 if(oldEP & EP_BEROLIN_A) {
10328 captured = board[fromY][fromX-1];
10329 board[fromY][fromX-1] = EmptySquare;
10330 }else{ captured = board[fromY][fromX+1];
10331 board[fromY][fromX+1] = EmptySquare;
10333 } else if (board[fromY][fromX] == king
10334 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10335 && toY == fromY && toX > fromX+1) {
10336 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10337 board[fromY][toX-1] = board[fromY][rookX];
10338 board[fromY][rookX] = EmptySquare;
10339 board[fromY][fromX] = EmptySquare;
10340 board[toY][toX] = king;
10341 } else if (board[fromY][fromX] == king
10342 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10343 && toY == fromY && toX < fromX-1) {
10344 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10345 board[fromY][toX+1] = board[fromY][rookX];
10346 board[fromY][rookX] = EmptySquare;
10347 board[fromY][fromX] = EmptySquare;
10348 board[toY][toX] = king;
10349 } else if (fromY == 7 && fromX == 3
10350 && board[fromY][fromX] == BlackKing
10351 && toY == 7 && toX == 5) {
10352 board[fromY][fromX] = EmptySquare;
10353 board[toY][toX] = BlackKing;
10354 board[fromY][7] = EmptySquare;
10355 board[toY][4] = BlackRook;
10356 } else if (fromY == 7 && fromX == 3
10357 && board[fromY][fromX] == BlackKing
10358 && toY == 7 && toX == 1) {
10359 board[fromY][fromX] = EmptySquare;
10360 board[toY][toX] = BlackKing;
10361 board[fromY][0] = EmptySquare;
10362 board[toY][2] = BlackRook;
10363 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10364 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10365 && toY < promoRank && promoChar
10367 /* black pawn promotion */
10368 board[toY][toX] = CharToPiece(ToLower(promoChar));
10369 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10370 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10371 board[fromY][fromX] = EmptySquare;
10372 } else if ((fromY < BOARD_HEIGHT>>1)
10373 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10375 && gameInfo.variant != VariantXiangqi
10376 && gameInfo.variant != VariantBerolina
10377 && (pawn == BlackPawn)
10378 && (board[toY][toX] == EmptySquare)) {
10379 board[fromY][fromX] = EmptySquare;
10380 board[toY][toX] = piece;
10381 if(toY == epRank - 128 - 1)
10382 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10384 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10385 } else if ((fromY == 3)
10387 && gameInfo.variant == VariantBerolina
10388 && (board[fromY][fromX] == BlackPawn)
10389 && (board[toY][toX] == EmptySquare)) {
10390 board[fromY][fromX] = EmptySquare;
10391 board[toY][toX] = BlackPawn;
10392 if(oldEP & EP_BEROLIN_A) {
10393 captured = board[fromY][fromX-1];
10394 board[fromY][fromX-1] = EmptySquare;
10395 }else{ captured = board[fromY][fromX+1];
10396 board[fromY][fromX+1] = EmptySquare;
10399 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10400 board[fromY][fromX] = EmptySquare;
10401 board[toY][toX] = piece;
10405 if (gameInfo.holdingsWidth != 0) {
10407 /* !!A lot more code needs to be written to support holdings */
10408 /* [HGM] OK, so I have written it. Holdings are stored in the */
10409 /* penultimate board files, so they are automaticlly stored */
10410 /* in the game history. */
10411 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10412 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10413 /* Delete from holdings, by decreasing count */
10414 /* and erasing image if necessary */
10415 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10416 if(p < (int) BlackPawn) { /* white drop */
10417 p -= (int)WhitePawn;
10418 p = PieceToNumber((ChessSquare)p);
10419 if(p >= gameInfo.holdingsSize) p = 0;
10420 if(--board[p][BOARD_WIDTH-2] <= 0)
10421 board[p][BOARD_WIDTH-1] = EmptySquare;
10422 if((int)board[p][BOARD_WIDTH-2] < 0)
10423 board[p][BOARD_WIDTH-2] = 0;
10424 } else { /* black drop */
10425 p -= (int)BlackPawn;
10426 p = PieceToNumber((ChessSquare)p);
10427 if(p >= gameInfo.holdingsSize) p = 0;
10428 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10429 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10430 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10431 board[BOARD_HEIGHT-1-p][1] = 0;
10434 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10435 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10436 /* [HGM] holdings: Add to holdings, if holdings exist */
10437 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10438 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10439 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10441 p = (int) captured;
10442 if (p >= (int) BlackPawn) {
10443 p -= (int)BlackPawn;
10444 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10445 /* Restore shogi-promoted piece to its original first */
10446 captured = (ChessSquare) (DEMOTED(captured));
10449 p = PieceToNumber((ChessSquare)p);
10450 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10451 board[p][BOARD_WIDTH-2]++;
10452 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10454 p -= (int)WhitePawn;
10455 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10456 captured = (ChessSquare) (DEMOTED(captured));
10459 p = PieceToNumber((ChessSquare)p);
10460 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10461 board[BOARD_HEIGHT-1-p][1]++;
10462 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10465 } else if (gameInfo.variant == VariantAtomic) {
10466 if (captured != EmptySquare) {
10468 for (y = toY-1; y <= toY+1; y++) {
10469 for (x = toX-1; x <= toX+1; x++) {
10470 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10471 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10472 board[y][x] = EmptySquare;
10476 board[toY][toX] = EmptySquare;
10480 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10481 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10483 if(promoChar == '+') {
10484 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10485 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10486 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10487 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10488 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10489 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10490 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10491 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10492 board[toY][toX] = newPiece;
10494 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10495 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10496 // [HGM] superchess: take promotion piece out of holdings
10497 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10498 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10499 if(!--board[k][BOARD_WIDTH-2])
10500 board[k][BOARD_WIDTH-1] = EmptySquare;
10502 if(!--board[BOARD_HEIGHT-1-k][1])
10503 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10508 /* Updates forwardMostMove */
10510 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10512 int x = toX, y = toY;
10513 char *s = parseList[forwardMostMove];
10514 ChessSquare p = boards[forwardMostMove][toY][toX];
10515 // forwardMostMove++; // [HGM] bare: moved downstream
10517 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10518 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10519 (void) CoordsToAlgebraic(boards[forwardMostMove],
10520 PosFlags(forwardMostMove),
10521 fromY, fromX, y, x, (killX < 0)*promoChar,
10523 if(kill2X >= 0 && kill2Y >= 0)
10524 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10525 if(killX >= 0 && killY >= 0)
10526 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10527 toX + AAA, toY + ONE - '0', promoChar);
10529 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10530 int timeLeft; static int lastLoadFlag=0; int king, piece;
10531 piece = boards[forwardMostMove][fromY][fromX];
10532 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10533 if(gameInfo.variant == VariantKnightmate)
10534 king += (int) WhiteUnicorn - (int) WhiteKing;
10535 if(forwardMostMove == 0) {
10536 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10537 fprintf(serverMoves, "%s;", UserName());
10538 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10539 fprintf(serverMoves, "%s;", second.tidy);
10540 fprintf(serverMoves, "%s;", first.tidy);
10541 if(gameMode == MachinePlaysWhite)
10542 fprintf(serverMoves, "%s;", UserName());
10543 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10544 fprintf(serverMoves, "%s;", second.tidy);
10545 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10546 lastLoadFlag = loadFlag;
10548 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10549 // print castling suffix
10550 if( toY == fromY && piece == king ) {
10552 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10554 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10557 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10558 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10559 boards[forwardMostMove][toY][toX] == EmptySquare
10560 && fromX != toX && fromY != toY)
10561 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10562 // promotion suffix
10563 if(promoChar != NULLCHAR) {
10564 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10565 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10566 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10567 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10570 char buf[MOVE_LEN*2], *p; int len;
10571 fprintf(serverMoves, "/%d/%d",
10572 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10573 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10574 else timeLeft = blackTimeRemaining/1000;
10575 fprintf(serverMoves, "/%d", timeLeft);
10576 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10577 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10578 if(p = strchr(buf, '=')) *p = NULLCHAR;
10579 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10580 fprintf(serverMoves, "/%s", buf);
10582 fflush(serverMoves);
10585 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10586 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10589 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10590 if (commentList[forwardMostMove+1] != NULL) {
10591 free(commentList[forwardMostMove+1]);
10592 commentList[forwardMostMove+1] = NULL;
10594 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10595 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10596 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10597 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10598 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10599 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10600 adjustedClock = FALSE;
10601 gameInfo.result = GameUnfinished;
10602 if (gameInfo.resultDetails != NULL) {
10603 free(gameInfo.resultDetails);
10604 gameInfo.resultDetails = NULL;
10606 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10607 moveList[forwardMostMove - 1]);
10608 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10614 if(!IS_SHOGI(gameInfo.variant))
10615 strcat(parseList[forwardMostMove - 1], "+");
10619 strcat(parseList[forwardMostMove - 1], "#");
10624 /* Updates currentMove if not pausing */
10626 ShowMove (int fromX, int fromY, int toX, int toY)
10628 int instant = (gameMode == PlayFromGameFile) ?
10629 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10630 if(appData.noGUI) return;
10631 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10633 if (forwardMostMove == currentMove + 1) {
10634 AnimateMove(boards[forwardMostMove - 1],
10635 fromX, fromY, toX, toY);
10638 currentMove = forwardMostMove;
10641 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10643 if (instant) return;
10645 DisplayMove(currentMove - 1);
10646 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10647 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10648 SetHighlights(fromX, fromY, toX, toY);
10651 DrawPosition(FALSE, boards[currentMove]);
10652 DisplayBothClocks();
10653 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10657 SendEgtPath (ChessProgramState *cps)
10658 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10659 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10661 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10664 char c, *q = name+1, *r, *s;
10666 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10667 while(*p && *p != ',') *q++ = *p++;
10668 *q++ = ':'; *q = 0;
10669 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10670 strcmp(name, ",nalimov:") == 0 ) {
10671 // take nalimov path from the menu-changeable option first, if it is defined
10672 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10673 SendToProgram(buf,cps); // send egtbpath command for nalimov
10675 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10676 (s = StrStr(appData.egtFormats, name)) != NULL) {
10677 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10678 s = r = StrStr(s, ":") + 1; // beginning of path info
10679 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10680 c = *r; *r = 0; // temporarily null-terminate path info
10681 *--q = 0; // strip of trailig ':' from name
10682 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10684 SendToProgram(buf,cps); // send egtbpath command for this format
10686 if(*p == ',') p++; // read away comma to position for next format name
10691 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10693 int width = 8, height = 8, holdings = 0; // most common sizes
10694 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10695 // correct the deviations default for each variant
10696 if( v == VariantXiangqi ) width = 9, height = 10;
10697 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10698 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10699 if( v == VariantCapablanca || v == VariantCapaRandom ||
10700 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10702 if( v == VariantCourier ) width = 12;
10703 if( v == VariantSuper ) holdings = 8;
10704 if( v == VariantGreat ) width = 10, holdings = 8;
10705 if( v == VariantSChess ) holdings = 7;
10706 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10707 if( v == VariantChuChess) width = 10, height = 10;
10708 if( v == VariantChu ) width = 12, height = 12;
10709 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10710 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10711 holdingsSize >= 0 && holdingsSize != holdings;
10714 char variantError[MSG_SIZ];
10717 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10718 { // returns error message (recognizable by upper-case) if engine does not support the variant
10719 char *p, *variant = VariantName(v);
10720 static char b[MSG_SIZ];
10721 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10722 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10723 holdingsSize, variant); // cook up sized variant name
10724 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10725 if(StrStr(list, b) == NULL) {
10726 // specific sized variant not known, check if general sizing allowed
10727 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10728 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10729 boardWidth, boardHeight, holdingsSize, engine);
10732 /* [HGM] here we really should compare with the maximum supported board size */
10734 } else snprintf(b, MSG_SIZ,"%s", variant);
10735 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10736 p = StrStr(list, b);
10737 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10739 // occurs not at all in list, or only as sub-string
10740 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10741 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10742 int l = strlen(variantError);
10744 while(p != list && p[-1] != ',') p--;
10745 q = strchr(p, ',');
10746 if(q) *q = NULLCHAR;
10747 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10756 InitChessProgram (ChessProgramState *cps, int setup)
10757 /* setup needed to setup FRC opening position */
10759 char buf[MSG_SIZ], *b;
10760 if (appData.noChessProgram) return;
10761 hintRequested = FALSE;
10762 bookRequested = FALSE;
10764 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10765 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10766 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10767 if(cps->memSize) { /* [HGM] memory */
10768 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10769 SendToProgram(buf, cps);
10771 SendEgtPath(cps); /* [HGM] EGT */
10772 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10773 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10774 SendToProgram(buf, cps);
10777 setboardSpoiledMachineBlack = FALSE;
10778 SendToProgram(cps->initString, cps);
10779 if (gameInfo.variant != VariantNormal &&
10780 gameInfo.variant != VariantLoadable
10781 /* [HGM] also send variant if board size non-standard */
10782 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10784 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10785 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10788 char c, *q = cps->variants, *p = strchr(q, ',');
10789 if(p) *p = NULLCHAR;
10790 v = StringToVariant(q);
10791 DisplayError(variantError, 0);
10792 if(v != VariantUnknown && cps == &first) {
10794 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10795 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10796 ASSIGN(appData.variant, q);
10797 Reset(TRUE, FALSE);
10803 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10804 SendToProgram(buf, cps);
10806 currentlyInitializedVariant = gameInfo.variant;
10808 /* [HGM] send opening position in FRC to first engine */
10810 SendToProgram("force\n", cps);
10812 /* engine is now in force mode! Set flag to wake it up after first move. */
10813 setboardSpoiledMachineBlack = 1;
10816 if (cps->sendICS) {
10817 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10818 SendToProgram(buf, cps);
10820 cps->maybeThinking = FALSE;
10821 cps->offeredDraw = 0;
10822 if (!appData.icsActive) {
10823 SendTimeControl(cps, movesPerSession, timeControl,
10824 timeIncrement, appData.searchDepth,
10827 if (appData.showThinking
10828 // [HGM] thinking: four options require thinking output to be sent
10829 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10831 SendToProgram("post\n", cps);
10833 SendToProgram("hard\n", cps);
10834 if (!appData.ponderNextMove) {
10835 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10836 it without being sure what state we are in first. "hard"
10837 is not a toggle, so that one is OK.
10839 SendToProgram("easy\n", cps);
10841 if (cps->usePing) {
10842 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10843 SendToProgram(buf, cps);
10845 cps->initDone = TRUE;
10846 ClearEngineOutputPane(cps == &second);
10851 ResendOptions (ChessProgramState *cps)
10852 { // send the stored value of the options
10855 Option *opt = cps->option;
10856 for(i=0; i<cps->nrOptions; i++, opt++) {
10857 switch(opt->type) {
10861 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10864 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10867 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10873 SendToProgram(buf, cps);
10878 StartChessProgram (ChessProgramState *cps)
10883 if (appData.noChessProgram) return;
10884 cps->initDone = FALSE;
10886 if (strcmp(cps->host, "localhost") == 0) {
10887 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10888 } else if (*appData.remoteShell == NULLCHAR) {
10889 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10891 if (*appData.remoteUser == NULLCHAR) {
10892 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10895 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10896 cps->host, appData.remoteUser, cps->program);
10898 err = StartChildProcess(buf, "", &cps->pr);
10902 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10903 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10904 if(cps != &first) return;
10905 appData.noChessProgram = TRUE;
10908 // DisplayFatalError(buf, err, 1);
10909 // cps->pr = NoProc;
10910 // cps->isr = NULL;
10914 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10915 if (cps->protocolVersion > 1) {
10916 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10917 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10918 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10919 cps->comboCnt = 0; // and values of combo boxes
10921 SendToProgram(buf, cps);
10922 if(cps->reload) ResendOptions(cps);
10924 SendToProgram("xboard\n", cps);
10929 TwoMachinesEventIfReady P((void))
10931 static int curMess = 0;
10932 if (first.lastPing != first.lastPong) {
10933 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10934 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10937 if (second.lastPing != second.lastPong) {
10938 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10939 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10942 DisplayMessage("", ""); curMess = 0;
10943 TwoMachinesEvent();
10947 MakeName (char *template)
10951 static char buf[MSG_SIZ];
10955 clock = time((time_t *)NULL);
10956 tm = localtime(&clock);
10958 while(*p++ = *template++) if(p[-1] == '%') {
10959 switch(*template++) {
10960 case 0: *p = 0; return buf;
10961 case 'Y': i = tm->tm_year+1900; break;
10962 case 'y': i = tm->tm_year-100; break;
10963 case 'M': i = tm->tm_mon+1; break;
10964 case 'd': i = tm->tm_mday; break;
10965 case 'h': i = tm->tm_hour; break;
10966 case 'm': i = tm->tm_min; break;
10967 case 's': i = tm->tm_sec; break;
10970 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10976 CountPlayers (char *p)
10979 while(p = strchr(p, '\n')) p++, n++; // count participants
10984 WriteTourneyFile (char *results, FILE *f)
10985 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10986 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10987 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10988 // create a file with tournament description
10989 fprintf(f, "-participants {%s}\n", appData.participants);
10990 fprintf(f, "-seedBase %d\n", appData.seedBase);
10991 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10992 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10993 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10994 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10995 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10996 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10997 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10998 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10999 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11000 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11001 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11002 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11003 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11004 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11005 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11006 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11007 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11008 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11009 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11010 fprintf(f, "-smpCores %d\n", appData.smpCores);
11012 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11014 fprintf(f, "-mps %d\n", appData.movesPerSession);
11015 fprintf(f, "-tc %s\n", appData.timeControl);
11016 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11018 fprintf(f, "-results \"%s\"\n", results);
11023 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11026 Substitute (char *participants, int expunge)
11028 int i, changed, changes=0, nPlayers=0;
11029 char *p, *q, *r, buf[MSG_SIZ];
11030 if(participants == NULL) return;
11031 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11032 r = p = participants; q = appData.participants;
11033 while(*p && *p == *q) {
11034 if(*p == '\n') r = p+1, nPlayers++;
11037 if(*p) { // difference
11038 while(*p && *p++ != '\n');
11039 while(*q && *q++ != '\n');
11040 changed = nPlayers;
11041 changes = 1 + (strcmp(p, q) != 0);
11043 if(changes == 1) { // a single engine mnemonic was changed
11044 q = r; while(*q) nPlayers += (*q++ == '\n');
11045 p = buf; while(*r && (*p = *r++) != '\n') p++;
11047 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11048 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11049 if(mnemonic[i]) { // The substitute is valid
11051 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11052 flock(fileno(f), LOCK_EX);
11053 ParseArgsFromFile(f);
11054 fseek(f, 0, SEEK_SET);
11055 FREE(appData.participants); appData.participants = participants;
11056 if(expunge) { // erase results of replaced engine
11057 int len = strlen(appData.results), w, b, dummy;
11058 for(i=0; i<len; i++) {
11059 Pairing(i, nPlayers, &w, &b, &dummy);
11060 if((w == changed || b == changed) && appData.results[i] == '*') {
11061 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11066 for(i=0; i<len; i++) {
11067 Pairing(i, nPlayers, &w, &b, &dummy);
11068 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11071 WriteTourneyFile(appData.results, f);
11072 fclose(f); // release lock
11075 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11077 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11078 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11079 free(participants);
11084 CheckPlayers (char *participants)
11087 char buf[MSG_SIZ], *p;
11088 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11089 while(p = strchr(participants, '\n')) {
11091 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11093 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11095 DisplayError(buf, 0);
11099 participants = p + 1;
11105 CreateTourney (char *name)
11108 if(matchMode && strcmp(name, appData.tourneyFile)) {
11109 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11111 if(name[0] == NULLCHAR) {
11112 if(appData.participants[0])
11113 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11116 f = fopen(name, "r");
11117 if(f) { // file exists
11118 ASSIGN(appData.tourneyFile, name);
11119 ParseArgsFromFile(f); // parse it
11121 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11122 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11123 DisplayError(_("Not enough participants"), 0);
11126 if(CheckPlayers(appData.participants)) return 0;
11127 ASSIGN(appData.tourneyFile, name);
11128 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11129 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11132 appData.noChessProgram = FALSE;
11133 appData.clockMode = TRUE;
11139 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11141 char buf[MSG_SIZ], *p, *q;
11142 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11143 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11144 skip = !all && group[0]; // if group requested, we start in skip mode
11145 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11146 p = names; q = buf; header = 0;
11147 while(*p && *p != '\n') *q++ = *p++;
11149 if(*p == '\n') p++;
11150 if(buf[0] == '#') {
11151 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11152 depth++; // we must be entering a new group
11153 if(all) continue; // suppress printing group headers when complete list requested
11155 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11157 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11158 if(engineList[i]) free(engineList[i]);
11159 engineList[i] = strdup(buf);
11160 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11161 if(engineMnemonic[i]) free(engineMnemonic[i]);
11162 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11164 sscanf(q + 8, "%s", buf + strlen(buf));
11167 engineMnemonic[i] = strdup(buf);
11170 engineList[i] = engineMnemonic[i] = NULL;
11174 // following implemented as macro to avoid type limitations
11175 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11178 SwapEngines (int n)
11179 { // swap settings for first engine and other engine (so far only some selected options)
11184 SWAP(chessProgram, p)
11186 SWAP(hasOwnBookUCI, h)
11187 SWAP(protocolVersion, h)
11189 SWAP(scoreIsAbsolute, h)
11194 SWAP(engOptions, p)
11195 SWAP(engInitString, p)
11196 SWAP(computerString, p)
11198 SWAP(fenOverride, p)
11200 SWAP(accumulateTC, h)
11207 GetEngineLine (char *s, int n)
11211 extern char *icsNames;
11212 if(!s || !*s) return 0;
11213 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11214 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11215 if(!mnemonic[i]) return 0;
11216 if(n == 11) return 1; // just testing if there was a match
11217 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11218 if(n == 1) SwapEngines(n);
11219 ParseArgsFromString(buf);
11220 if(n == 1) SwapEngines(n);
11221 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11222 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11223 ParseArgsFromString(buf);
11229 SetPlayer (int player, char *p)
11230 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11232 char buf[MSG_SIZ], *engineName;
11233 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11234 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11235 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11237 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11238 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11239 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11240 ParseArgsFromString(buf);
11241 } else { // no engine with this nickname is installed!
11242 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11243 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11244 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11246 DisplayError(buf, 0);
11253 char *recentEngines;
11256 RecentEngineEvent (int nr)
11259 // SwapEngines(1); // bump first to second
11260 // ReplaceEngine(&second, 1); // and load it there
11261 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11262 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11263 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11264 ReplaceEngine(&first, 0);
11265 FloatToFront(&appData.recentEngineList, command[n]);
11270 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11271 { // determine players from game number
11272 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11274 if(appData.tourneyType == 0) {
11275 roundsPerCycle = (nPlayers - 1) | 1;
11276 pairingsPerRound = nPlayers / 2;
11277 } else if(appData.tourneyType > 0) {
11278 roundsPerCycle = nPlayers - appData.tourneyType;
11279 pairingsPerRound = appData.tourneyType;
11281 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11282 gamesPerCycle = gamesPerRound * roundsPerCycle;
11283 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11284 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11285 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11286 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11287 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11288 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11290 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11291 if(appData.roundSync) *syncInterval = gamesPerRound;
11293 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11295 if(appData.tourneyType == 0) {
11296 if(curPairing == (nPlayers-1)/2 ) {
11297 *whitePlayer = curRound;
11298 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11300 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11301 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11302 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11303 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11305 } else if(appData.tourneyType > 1) {
11306 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11307 *whitePlayer = curRound + appData.tourneyType;
11308 } else if(appData.tourneyType > 0) {
11309 *whitePlayer = curPairing;
11310 *blackPlayer = curRound + appData.tourneyType;
11313 // take care of white/black alternation per round.
11314 // For cycles and games this is already taken care of by default, derived from matchGame!
11315 return curRound & 1;
11319 NextTourneyGame (int nr, int *swapColors)
11320 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11322 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11324 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11325 tf = fopen(appData.tourneyFile, "r");
11326 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11327 ParseArgsFromFile(tf); fclose(tf);
11328 InitTimeControls(); // TC might be altered from tourney file
11330 nPlayers = CountPlayers(appData.participants); // count participants
11331 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11332 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11335 p = q = appData.results;
11336 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11337 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11338 DisplayMessage(_("Waiting for other game(s)"),"");
11339 waitingForGame = TRUE;
11340 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11343 waitingForGame = FALSE;
11346 if(appData.tourneyType < 0) {
11347 if(nr>=0 && !pairingReceived) {
11349 if(pairing.pr == NoProc) {
11350 if(!appData.pairingEngine[0]) {
11351 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11354 StartChessProgram(&pairing); // starts the pairing engine
11356 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11357 SendToProgram(buf, &pairing);
11358 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11359 SendToProgram(buf, &pairing);
11360 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11362 pairingReceived = 0; // ... so we continue here
11364 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11365 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11366 matchGame = 1; roundNr = nr / syncInterval + 1;
11369 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11371 // redefine engines, engine dir, etc.
11372 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11373 if(first.pr == NoProc) {
11374 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11375 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11377 if(second.pr == NoProc) {
11379 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11380 SwapEngines(1); // and make that valid for second engine by swapping
11381 InitEngine(&second, 1);
11383 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11384 UpdateLogos(FALSE); // leave display to ModeHiglight()
11390 { // performs game initialization that does not invoke engines, and then tries to start the game
11391 int res, firstWhite, swapColors = 0;
11392 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11393 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
11395 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11396 if(strcmp(buf, currentDebugFile)) { // name has changed
11397 FILE *f = fopen(buf, "w");
11398 if(f) { // if opening the new file failed, just keep using the old one
11399 ASSIGN(currentDebugFile, buf);
11403 if(appData.serverFileName) {
11404 if(serverFP) fclose(serverFP);
11405 serverFP = fopen(appData.serverFileName, "w");
11406 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11407 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11411 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11412 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11413 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11414 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11415 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11416 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11417 Reset(FALSE, first.pr != NoProc);
11418 res = LoadGameOrPosition(matchGame); // setup game
11419 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11420 if(!res) return; // abort when bad game/pos file
11421 TwoMachinesEvent();
11425 UserAdjudicationEvent (int result)
11427 ChessMove gameResult = GameIsDrawn;
11430 gameResult = WhiteWins;
11432 else if( result < 0 ) {
11433 gameResult = BlackWins;
11436 if( gameMode == TwoMachinesPlay ) {
11437 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11442 // [HGM] save: calculate checksum of game to make games easily identifiable
11444 StringCheckSum (char *s)
11447 if(s==NULL) return 0;
11448 while(*s) i = i*259 + *s++;
11456 for(i=backwardMostMove; i<forwardMostMove; i++) {
11457 sum += pvInfoList[i].depth;
11458 sum += StringCheckSum(parseList[i]);
11459 sum += StringCheckSum(commentList[i]);
11462 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11463 return sum + StringCheckSum(commentList[i]);
11464 } // end of save patch
11467 GameEnds (ChessMove result, char *resultDetails, int whosays)
11469 GameMode nextGameMode;
11471 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11473 if(endingGame) return; /* [HGM] crash: forbid recursion */
11475 if(twoBoards) { // [HGM] dual: switch back to one board
11476 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11477 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11479 if (appData.debugMode) {
11480 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11481 result, resultDetails ? resultDetails : "(null)", whosays);
11484 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11486 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11488 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11489 /* If we are playing on ICS, the server decides when the
11490 game is over, but the engine can offer to draw, claim
11494 if (appData.zippyPlay && first.initDone) {
11495 if (result == GameIsDrawn) {
11496 /* In case draw still needs to be claimed */
11497 SendToICS(ics_prefix);
11498 SendToICS("draw\n");
11499 } else if (StrCaseStr(resultDetails, "resign")) {
11500 SendToICS(ics_prefix);
11501 SendToICS("resign\n");
11505 endingGame = 0; /* [HGM] crash */
11509 /* If we're loading the game from a file, stop */
11510 if (whosays == GE_FILE) {
11511 (void) StopLoadGameTimer();
11515 /* Cancel draw offers */
11516 first.offeredDraw = second.offeredDraw = 0;
11518 /* If this is an ICS game, only ICS can really say it's done;
11519 if not, anyone can. */
11520 isIcsGame = (gameMode == IcsPlayingWhite ||
11521 gameMode == IcsPlayingBlack ||
11522 gameMode == IcsObserving ||
11523 gameMode == IcsExamining);
11525 if (!isIcsGame || whosays == GE_ICS) {
11526 /* OK -- not an ICS game, or ICS said it was done */
11528 if (!isIcsGame && !appData.noChessProgram)
11529 SetUserThinkingEnables();
11531 /* [HGM] if a machine claims the game end we verify this claim */
11532 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11533 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11535 ChessMove trueResult = (ChessMove) -1;
11537 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11538 first.twoMachinesColor[0] :
11539 second.twoMachinesColor[0] ;
11541 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11542 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11543 /* [HGM] verify: engine mate claims accepted if they were flagged */
11544 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11546 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11547 /* [HGM] verify: engine mate claims accepted if they were flagged */
11548 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11550 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11551 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11554 // now verify win claims, but not in drop games, as we don't understand those yet
11555 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11556 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11557 (result == WhiteWins && claimer == 'w' ||
11558 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11559 if (appData.debugMode) {
11560 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11561 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11563 if(result != trueResult) {
11564 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11565 result = claimer == 'w' ? BlackWins : WhiteWins;
11566 resultDetails = buf;
11569 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11570 && (forwardMostMove <= backwardMostMove ||
11571 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11572 (claimer=='b')==(forwardMostMove&1))
11574 /* [HGM] verify: draws that were not flagged are false claims */
11575 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11576 result = claimer == 'w' ? BlackWins : WhiteWins;
11577 resultDetails = buf;
11579 /* (Claiming a loss is accepted no questions asked!) */
11580 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11581 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11582 result = GameUnfinished;
11583 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11585 /* [HGM] bare: don't allow bare King to win */
11586 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11587 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11588 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11589 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11590 && result != GameIsDrawn)
11591 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11592 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11593 int p = (signed char)boards[forwardMostMove][i][j] - color;
11594 if(p >= 0 && p <= (int)WhiteKing) k++;
11595 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11597 if (appData.debugMode) {
11598 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11599 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11601 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11602 result = GameIsDrawn;
11603 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11604 resultDetails = buf;
11610 if(serverMoves != NULL && !loadFlag) { char c = '=';
11611 if(result==WhiteWins) c = '+';
11612 if(result==BlackWins) c = '-';
11613 if(resultDetails != NULL)
11614 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11616 if (resultDetails != NULL) {
11617 gameInfo.result = result;
11618 gameInfo.resultDetails = StrSave(resultDetails);
11620 /* display last move only if game was not loaded from file */
11621 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11622 DisplayMove(currentMove - 1);
11624 if (forwardMostMove != 0) {
11625 if (gameMode != PlayFromGameFile && gameMode != EditGame
11626 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11628 if (*appData.saveGameFile != NULLCHAR) {
11629 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11630 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11632 SaveGameToFile(appData.saveGameFile, TRUE);
11633 } else if (appData.autoSaveGames) {
11634 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11636 if (*appData.savePositionFile != NULLCHAR) {
11637 SavePositionToFile(appData.savePositionFile);
11639 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11643 /* Tell program how game ended in case it is learning */
11644 /* [HGM] Moved this to after saving the PGN, just in case */
11645 /* engine died and we got here through time loss. In that */
11646 /* case we will get a fatal error writing the pipe, which */
11647 /* would otherwise lose us the PGN. */
11648 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11649 /* output during GameEnds should never be fatal anymore */
11650 if (gameMode == MachinePlaysWhite ||
11651 gameMode == MachinePlaysBlack ||
11652 gameMode == TwoMachinesPlay ||
11653 gameMode == IcsPlayingWhite ||
11654 gameMode == IcsPlayingBlack ||
11655 gameMode == BeginningOfGame) {
11657 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11659 if (first.pr != NoProc) {
11660 SendToProgram(buf, &first);
11662 if (second.pr != NoProc &&
11663 gameMode == TwoMachinesPlay) {
11664 SendToProgram(buf, &second);
11669 if (appData.icsActive) {
11670 if (appData.quietPlay &&
11671 (gameMode == IcsPlayingWhite ||
11672 gameMode == IcsPlayingBlack)) {
11673 SendToICS(ics_prefix);
11674 SendToICS("set shout 1\n");
11676 nextGameMode = IcsIdle;
11677 ics_user_moved = FALSE;
11678 /* clean up premove. It's ugly when the game has ended and the
11679 * premove highlights are still on the board.
11682 gotPremove = FALSE;
11683 ClearPremoveHighlights();
11684 DrawPosition(FALSE, boards[currentMove]);
11686 if (whosays == GE_ICS) {
11689 if (gameMode == IcsPlayingWhite)
11691 else if(gameMode == IcsPlayingBlack)
11692 PlayIcsLossSound();
11695 if (gameMode == IcsPlayingBlack)
11697 else if(gameMode == IcsPlayingWhite)
11698 PlayIcsLossSound();
11701 PlayIcsDrawSound();
11704 PlayIcsUnfinishedSound();
11707 if(appData.quitNext) { ExitEvent(0); return; }
11708 } else if (gameMode == EditGame ||
11709 gameMode == PlayFromGameFile ||
11710 gameMode == AnalyzeMode ||
11711 gameMode == AnalyzeFile) {
11712 nextGameMode = gameMode;
11714 nextGameMode = EndOfGame;
11719 nextGameMode = gameMode;
11722 if (appData.noChessProgram) {
11723 gameMode = nextGameMode;
11725 endingGame = 0; /* [HGM] crash */
11730 /* Put first chess program into idle state */
11731 if (first.pr != NoProc &&
11732 (gameMode == MachinePlaysWhite ||
11733 gameMode == MachinePlaysBlack ||
11734 gameMode == TwoMachinesPlay ||
11735 gameMode == IcsPlayingWhite ||
11736 gameMode == IcsPlayingBlack ||
11737 gameMode == BeginningOfGame)) {
11738 SendToProgram("force\n", &first);
11739 if (first.usePing) {
11741 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11742 SendToProgram(buf, &first);
11745 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11746 /* Kill off first chess program */
11747 if (first.isr != NULL)
11748 RemoveInputSource(first.isr);
11751 if (first.pr != NoProc) {
11753 DoSleep( appData.delayBeforeQuit );
11754 SendToProgram("quit\n", &first);
11755 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11756 first.reload = TRUE;
11760 if (second.reuse) {
11761 /* Put second chess program into idle state */
11762 if (second.pr != NoProc &&
11763 gameMode == TwoMachinesPlay) {
11764 SendToProgram("force\n", &second);
11765 if (second.usePing) {
11767 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11768 SendToProgram(buf, &second);
11771 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11772 /* Kill off second chess program */
11773 if (second.isr != NULL)
11774 RemoveInputSource(second.isr);
11777 if (second.pr != NoProc) {
11778 DoSleep( appData.delayBeforeQuit );
11779 SendToProgram("quit\n", &second);
11780 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11781 second.reload = TRUE;
11783 second.pr = NoProc;
11786 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11787 char resChar = '=';
11791 if (first.twoMachinesColor[0] == 'w') {
11794 second.matchWins++;
11799 if (first.twoMachinesColor[0] == 'b') {
11802 second.matchWins++;
11805 case GameUnfinished:
11811 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11812 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11813 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11814 ReserveGame(nextGame, resChar); // sets nextGame
11815 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11816 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11817 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11819 if (nextGame <= appData.matchGames && !abortMatch) {
11820 gameMode = nextGameMode;
11821 matchGame = nextGame; // this will be overruled in tourney mode!
11822 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11823 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11824 endingGame = 0; /* [HGM] crash */
11827 gameMode = nextGameMode;
11828 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11829 first.tidy, second.tidy,
11830 first.matchWins, second.matchWins,
11831 appData.matchGames - (first.matchWins + second.matchWins));
11832 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11833 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11834 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11835 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11836 first.twoMachinesColor = "black\n";
11837 second.twoMachinesColor = "white\n";
11839 first.twoMachinesColor = "white\n";
11840 second.twoMachinesColor = "black\n";
11844 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11845 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11847 gameMode = nextGameMode;
11849 endingGame = 0; /* [HGM] crash */
11850 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11851 if(matchMode == TRUE) { // match through command line: exit with or without popup
11853 ToNrEvent(forwardMostMove);
11854 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11856 } else DisplayFatalError(buf, 0, 0);
11857 } else { // match through menu; just stop, with or without popup
11858 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11861 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11862 } else DisplayNote(buf);
11864 if(ranking) free(ranking);
11868 /* Assumes program was just initialized (initString sent).
11869 Leaves program in force mode. */
11871 FeedMovesToProgram (ChessProgramState *cps, int upto)
11875 if (appData.debugMode)
11876 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11877 startedFromSetupPosition ? "position and " : "",
11878 backwardMostMove, upto, cps->which);
11879 if(currentlyInitializedVariant != gameInfo.variant) {
11881 // [HGM] variantswitch: make engine aware of new variant
11882 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11883 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11884 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11885 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11886 SendToProgram(buf, cps);
11887 currentlyInitializedVariant = gameInfo.variant;
11889 SendToProgram("force\n", cps);
11890 if (startedFromSetupPosition) {
11891 SendBoard(cps, backwardMostMove);
11892 if (appData.debugMode) {
11893 fprintf(debugFP, "feedMoves\n");
11896 for (i = backwardMostMove; i < upto; i++) {
11897 SendMoveToProgram(i, cps);
11903 ResurrectChessProgram ()
11905 /* The chess program may have exited.
11906 If so, restart it and feed it all the moves made so far. */
11907 static int doInit = 0;
11909 if (appData.noChessProgram) return 1;
11911 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11912 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11913 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11914 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11916 if (first.pr != NoProc) return 1;
11917 StartChessProgram(&first);
11919 InitChessProgram(&first, FALSE);
11920 FeedMovesToProgram(&first, currentMove);
11922 if (!first.sendTime) {
11923 /* can't tell gnuchess what its clock should read,
11924 so we bow to its notion. */
11926 timeRemaining[0][currentMove] = whiteTimeRemaining;
11927 timeRemaining[1][currentMove] = blackTimeRemaining;
11930 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11931 appData.icsEngineAnalyze) && first.analysisSupport) {
11932 SendToProgram("analyze\n", &first);
11933 first.analyzing = TRUE;
11939 * Button procedures
11942 Reset (int redraw, int init)
11946 if (appData.debugMode) {
11947 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11948 redraw, init, gameMode);
11950 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11951 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11952 CleanupTail(); // [HGM] vari: delete any stored variations
11953 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11954 pausing = pauseExamInvalid = FALSE;
11955 startedFromSetupPosition = blackPlaysFirst = FALSE;
11957 whiteFlag = blackFlag = FALSE;
11958 userOfferedDraw = FALSE;
11959 hintRequested = bookRequested = FALSE;
11960 first.maybeThinking = FALSE;
11961 second.maybeThinking = FALSE;
11962 first.bookSuspend = FALSE; // [HGM] book
11963 second.bookSuspend = FALSE;
11964 thinkOutput[0] = NULLCHAR;
11965 lastHint[0] = NULLCHAR;
11966 ClearGameInfo(&gameInfo);
11967 gameInfo.variant = StringToVariant(appData.variant);
11968 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11969 ics_user_moved = ics_clock_paused = FALSE;
11970 ics_getting_history = H_FALSE;
11972 white_holding[0] = black_holding[0] = NULLCHAR;
11973 ClearProgramStats();
11974 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11978 flipView = appData.flipView;
11979 ClearPremoveHighlights();
11980 gotPremove = FALSE;
11981 alarmSounded = FALSE;
11982 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
11984 GameEnds(EndOfFile, NULL, GE_PLAYER);
11985 if(appData.serverMovesName != NULL) {
11986 /* [HGM] prepare to make moves file for broadcasting */
11987 clock_t t = clock();
11988 if(serverMoves != NULL) fclose(serverMoves);
11989 serverMoves = fopen(appData.serverMovesName, "r");
11990 if(serverMoves != NULL) {
11991 fclose(serverMoves);
11992 /* delay 15 sec before overwriting, so all clients can see end */
11993 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11995 serverMoves = fopen(appData.serverMovesName, "w");
11999 gameMode = BeginningOfGame;
12001 if(appData.icsActive) gameInfo.variant = VariantNormal;
12002 currentMove = forwardMostMove = backwardMostMove = 0;
12003 MarkTargetSquares(1);
12004 InitPosition(redraw);
12005 for (i = 0; i < MAX_MOVES; i++) {
12006 if (commentList[i] != NULL) {
12007 free(commentList[i]);
12008 commentList[i] = NULL;
12012 timeRemaining[0][0] = whiteTimeRemaining;
12013 timeRemaining[1][0] = blackTimeRemaining;
12015 if (first.pr == NoProc) {
12016 StartChessProgram(&first);
12019 InitChessProgram(&first, startedFromSetupPosition);
12022 DisplayMessage("", "");
12023 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12024 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12025 ClearMap(); // [HGM] exclude: invalidate map
12029 AutoPlayGameLoop ()
12032 if (!AutoPlayOneMove())
12034 if (matchMode || appData.timeDelay == 0)
12036 if (appData.timeDelay < 0)
12038 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12046 ReloadGame(1); // next game
12052 int fromX, fromY, toX, toY;
12054 if (appData.debugMode) {
12055 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12058 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12061 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12062 pvInfoList[currentMove].depth = programStats.depth;
12063 pvInfoList[currentMove].score = programStats.score;
12064 pvInfoList[currentMove].time = 0;
12065 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12066 else { // append analysis of final position as comment
12068 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12069 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12071 programStats.depth = 0;
12074 if (currentMove >= forwardMostMove) {
12075 if(gameMode == AnalyzeFile) {
12076 if(appData.loadGameIndex == -1) {
12077 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12078 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12080 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12083 // gameMode = EndOfGame;
12084 // ModeHighlight();
12086 /* [AS] Clear current move marker at the end of a game */
12087 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12092 toX = moveList[currentMove][2] - AAA;
12093 toY = moveList[currentMove][3] - ONE;
12095 if (moveList[currentMove][1] == '@') {
12096 if (appData.highlightLastMove) {
12097 SetHighlights(-1, -1, toX, toY);
12100 int viaX = moveList[currentMove][5] - AAA;
12101 int viaY = moveList[currentMove][6] - ONE;
12102 fromX = moveList[currentMove][0] - AAA;
12103 fromY = moveList[currentMove][1] - ONE;
12105 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12107 if(moveList[currentMove][4] == ';') { // multi-leg
12108 ChessSquare piece = boards[currentMove][viaY][viaX];
12109 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12110 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12111 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12112 boards[currentMove][viaY][viaX] = piece;
12114 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12116 if (appData.highlightLastMove) {
12117 SetHighlights(fromX, fromY, toX, toY);
12120 DisplayMove(currentMove);
12121 SendMoveToProgram(currentMove++, &first);
12122 DisplayBothClocks();
12123 DrawPosition(FALSE, boards[currentMove]);
12124 // [HGM] PV info: always display, routine tests if empty
12125 DisplayComment(currentMove - 1, commentList[currentMove]);
12131 LoadGameOneMove (ChessMove readAhead)
12133 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12134 char promoChar = NULLCHAR;
12135 ChessMove moveType;
12136 char move[MSG_SIZ];
12139 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12140 gameMode != AnalyzeMode && gameMode != Training) {
12145 yyboardindex = forwardMostMove;
12146 if (readAhead != EndOfFile) {
12147 moveType = readAhead;
12149 if (gameFileFP == NULL)
12151 moveType = (ChessMove) Myylex();
12155 switch (moveType) {
12157 if (appData.debugMode)
12158 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12161 /* append the comment but don't display it */
12162 AppendComment(currentMove, p, FALSE);
12165 case WhiteCapturesEnPassant:
12166 case BlackCapturesEnPassant:
12167 case WhitePromotion:
12168 case BlackPromotion:
12169 case WhiteNonPromotion:
12170 case BlackNonPromotion:
12173 case WhiteKingSideCastle:
12174 case WhiteQueenSideCastle:
12175 case BlackKingSideCastle:
12176 case BlackQueenSideCastle:
12177 case WhiteKingSideCastleWild:
12178 case WhiteQueenSideCastleWild:
12179 case BlackKingSideCastleWild:
12180 case BlackQueenSideCastleWild:
12182 case WhiteHSideCastleFR:
12183 case WhiteASideCastleFR:
12184 case BlackHSideCastleFR:
12185 case BlackASideCastleFR:
12187 if (appData.debugMode)
12188 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12189 fromX = currentMoveString[0] - AAA;
12190 fromY = currentMoveString[1] - ONE;
12191 toX = currentMoveString[2] - AAA;
12192 toY = currentMoveString[3] - ONE;
12193 promoChar = currentMoveString[4];
12194 if(promoChar == ';') promoChar = currentMoveString[7];
12199 if (appData.debugMode)
12200 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12201 fromX = moveType == WhiteDrop ?
12202 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12203 (int) CharToPiece(ToLower(currentMoveString[0]));
12205 toX = currentMoveString[2] - AAA;
12206 toY = currentMoveString[3] - ONE;
12212 case GameUnfinished:
12213 if (appData.debugMode)
12214 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12215 p = strchr(yy_text, '{');
12216 if (p == NULL) p = strchr(yy_text, '(');
12219 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12221 q = strchr(p, *p == '{' ? '}' : ')');
12222 if (q != NULL) *q = NULLCHAR;
12225 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12226 GameEnds(moveType, p, GE_FILE);
12228 if (cmailMsgLoaded) {
12230 flipView = WhiteOnMove(currentMove);
12231 if (moveType == GameUnfinished) flipView = !flipView;
12232 if (appData.debugMode)
12233 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12238 if (appData.debugMode)
12239 fprintf(debugFP, "Parser hit end of file\n");
12240 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12246 if (WhiteOnMove(currentMove)) {
12247 GameEnds(BlackWins, "Black mates", GE_FILE);
12249 GameEnds(WhiteWins, "White mates", GE_FILE);
12253 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12259 case MoveNumberOne:
12260 if (lastLoadGameStart == GNUChessGame) {
12261 /* GNUChessGames have numbers, but they aren't move numbers */
12262 if (appData.debugMode)
12263 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12264 yy_text, (int) moveType);
12265 return LoadGameOneMove(EndOfFile); /* tail recursion */
12267 /* else fall thru */
12272 /* Reached start of next game in file */
12273 if (appData.debugMode)
12274 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12275 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12281 if (WhiteOnMove(currentMove)) {
12282 GameEnds(BlackWins, "Black mates", GE_FILE);
12284 GameEnds(WhiteWins, "White mates", GE_FILE);
12288 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12294 case PositionDiagram: /* should not happen; ignore */
12295 case ElapsedTime: /* ignore */
12296 case NAG: /* ignore */
12297 if (appData.debugMode)
12298 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12299 yy_text, (int) moveType);
12300 return LoadGameOneMove(EndOfFile); /* tail recursion */
12303 if (appData.testLegality) {
12304 if (appData.debugMode)
12305 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12306 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12307 (forwardMostMove / 2) + 1,
12308 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12309 DisplayError(move, 0);
12312 if (appData.debugMode)
12313 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12314 yy_text, currentMoveString);
12315 if(currentMoveString[1] == '@') {
12316 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12319 fromX = currentMoveString[0] - AAA;
12320 fromY = currentMoveString[1] - ONE;
12322 toX = currentMoveString[2] - AAA;
12323 toY = currentMoveString[3] - ONE;
12324 promoChar = currentMoveString[4];
12328 case AmbiguousMove:
12329 if (appData.debugMode)
12330 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12331 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12332 (forwardMostMove / 2) + 1,
12333 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12334 DisplayError(move, 0);
12339 case ImpossibleMove:
12340 if (appData.debugMode)
12341 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12342 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12343 (forwardMostMove / 2) + 1,
12344 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12345 DisplayError(move, 0);
12351 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12352 DrawPosition(FALSE, boards[currentMove]);
12353 DisplayBothClocks();
12354 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12355 DisplayComment(currentMove - 1, commentList[currentMove]);
12357 (void) StopLoadGameTimer();
12359 cmailOldMove = forwardMostMove;
12362 /* currentMoveString is set as a side-effect of yylex */
12364 thinkOutput[0] = NULLCHAR;
12365 MakeMove(fromX, fromY, toX, toY, promoChar);
12366 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12367 currentMove = forwardMostMove;
12372 /* Load the nth game from the given file */
12374 LoadGameFromFile (char *filename, int n, char *title, int useList)
12379 if (strcmp(filename, "-") == 0) {
12383 f = fopen(filename, "rb");
12385 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12386 DisplayError(buf, errno);
12390 if (fseek(f, 0, 0) == -1) {
12391 /* f is not seekable; probably a pipe */
12394 if (useList && n == 0) {
12395 int error = GameListBuild(f);
12397 DisplayError(_("Cannot build game list"), error);
12398 } else if (!ListEmpty(&gameList) &&
12399 ((ListGame *) gameList.tailPred)->number > 1) {
12400 GameListPopUp(f, title);
12407 return LoadGame(f, n, title, FALSE);
12412 MakeRegisteredMove ()
12414 int fromX, fromY, toX, toY;
12416 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12417 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12420 if (appData.debugMode)
12421 fprintf(debugFP, "Restoring %s for game %d\n",
12422 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12424 thinkOutput[0] = NULLCHAR;
12425 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12426 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12427 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12428 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12429 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12430 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12431 MakeMove(fromX, fromY, toX, toY, promoChar);
12432 ShowMove(fromX, fromY, toX, toY);
12434 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12441 if (WhiteOnMove(currentMove)) {
12442 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12444 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12449 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12456 if (WhiteOnMove(currentMove)) {
12457 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12459 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12464 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12475 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12477 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12481 if (gameNumber > nCmailGames) {
12482 DisplayError(_("No more games in this message"), 0);
12485 if (f == lastLoadGameFP) {
12486 int offset = gameNumber - lastLoadGameNumber;
12488 cmailMsg[0] = NULLCHAR;
12489 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12490 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12491 nCmailMovesRegistered--;
12493 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12494 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12495 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12498 if (! RegisterMove()) return FALSE;
12502 retVal = LoadGame(f, gameNumber, title, useList);
12504 /* Make move registered during previous look at this game, if any */
12505 MakeRegisteredMove();
12507 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12508 commentList[currentMove]
12509 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12510 DisplayComment(currentMove - 1, commentList[currentMove]);
12516 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12518 ReloadGame (int offset)
12520 int gameNumber = lastLoadGameNumber + offset;
12521 if (lastLoadGameFP == NULL) {
12522 DisplayError(_("No game has been loaded yet"), 0);
12525 if (gameNumber <= 0) {
12526 DisplayError(_("Can't back up any further"), 0);
12529 if (cmailMsgLoaded) {
12530 return CmailLoadGame(lastLoadGameFP, gameNumber,
12531 lastLoadGameTitle, lastLoadGameUseList);
12533 return LoadGame(lastLoadGameFP, gameNumber,
12534 lastLoadGameTitle, lastLoadGameUseList);
12538 int keys[EmptySquare+1];
12541 PositionMatches (Board b1, Board b2)
12544 switch(appData.searchMode) {
12545 case 1: return CompareWithRights(b1, b2);
12547 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12548 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12552 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12553 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12554 sum += keys[b1[r][f]] - keys[b2[r][f]];
12558 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12559 sum += keys[b1[r][f]] - keys[b2[r][f]];
12571 int pieceList[256], quickBoard[256];
12572 ChessSquare pieceType[256] = { EmptySquare };
12573 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12574 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12575 int soughtTotal, turn;
12576 Boolean epOK, flipSearch;
12579 unsigned char piece, to;
12582 #define DSIZE (250000)
12584 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12585 Move *moveDatabase = initialSpace;
12586 unsigned int movePtr, dataSize = DSIZE;
12589 MakePieceList (Board board, int *counts)
12591 int r, f, n=Q_PROMO, total=0;
12592 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12593 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12594 int sq = f + (r<<4);
12595 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12596 quickBoard[sq] = ++n;
12598 pieceType[n] = board[r][f];
12599 counts[board[r][f]]++;
12600 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12601 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12605 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12610 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12612 int sq = fromX + (fromY<<4);
12613 int piece = quickBoard[sq], rook;
12614 quickBoard[sq] = 0;
12615 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12616 if(piece == pieceList[1] && fromY == toY) {
12617 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12618 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12619 moveDatabase[movePtr++].piece = Q_WCASTL;
12620 quickBoard[sq] = piece;
12621 piece = quickBoard[from]; quickBoard[from] = 0;
12622 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12623 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12624 quickBoard[sq] = 0; // remove Rook
12625 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12626 moveDatabase[movePtr++].piece = Q_WCASTL;
12627 quickBoard[sq] = pieceList[1]; // put King
12629 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12632 if(piece == pieceList[2] && fromY == toY) {
12633 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12634 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12635 moveDatabase[movePtr++].piece = Q_BCASTL;
12636 quickBoard[sq] = piece;
12637 piece = quickBoard[from]; quickBoard[from] = 0;
12638 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12639 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12640 quickBoard[sq] = 0; // remove Rook
12641 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12642 moveDatabase[movePtr++].piece = Q_BCASTL;
12643 quickBoard[sq] = pieceList[2]; // put King
12645 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12648 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12649 quickBoard[(fromY<<4)+toX] = 0;
12650 moveDatabase[movePtr].piece = Q_EP;
12651 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12652 moveDatabase[movePtr].to = sq;
12654 if(promoPiece != pieceType[piece]) {
12655 moveDatabase[movePtr++].piece = Q_PROMO;
12656 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12658 moveDatabase[movePtr].piece = piece;
12659 quickBoard[sq] = piece;
12664 PackGame (Board board)
12666 Move *newSpace = NULL;
12667 moveDatabase[movePtr].piece = 0; // terminate previous game
12668 if(movePtr > dataSize) {
12669 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12670 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12671 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12674 Move *p = moveDatabase, *q = newSpace;
12675 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12676 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12677 moveDatabase = newSpace;
12678 } else { // calloc failed, we must be out of memory. Too bad...
12679 dataSize = 0; // prevent calloc events for all subsequent games
12680 return 0; // and signal this one isn't cached
12684 MakePieceList(board, counts);
12689 QuickCompare (Board board, int *minCounts, int *maxCounts)
12690 { // compare according to search mode
12692 switch(appData.searchMode)
12694 case 1: // exact position match
12695 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12696 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12697 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12700 case 2: // can have extra material on empty squares
12701 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12702 if(board[r][f] == EmptySquare) continue;
12703 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12706 case 3: // material with exact Pawn structure
12707 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12708 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12709 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12710 } // fall through to material comparison
12711 case 4: // exact material
12712 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12714 case 6: // material range with given imbalance
12715 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12716 // fall through to range comparison
12717 case 5: // material range
12718 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12724 QuickScan (Board board, Move *move)
12725 { // reconstruct game,and compare all positions in it
12726 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12728 int piece = move->piece;
12729 int to = move->to, from = pieceList[piece];
12730 if(found < 0) { // if already found just scan to game end for final piece count
12731 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12732 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12733 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12734 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12736 static int lastCounts[EmptySquare+1];
12738 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12739 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12740 } else stretch = 0;
12741 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12742 if(found >= 0 && !appData.minPieces) return found;
12744 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12745 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12746 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12747 piece = (++move)->piece;
12748 from = pieceList[piece];
12749 counts[pieceType[piece]]--;
12750 pieceType[piece] = (ChessSquare) move->to;
12751 counts[move->to]++;
12752 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12753 counts[pieceType[quickBoard[to]]]--;
12754 quickBoard[to] = 0; total--;
12757 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12758 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12759 from = pieceList[piece]; // so this must be King
12760 quickBoard[from] = 0;
12761 pieceList[piece] = to;
12762 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12763 quickBoard[from] = 0; // rook
12764 quickBoard[to] = piece;
12765 to = move->to; piece = move->piece;
12769 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12770 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12771 quickBoard[from] = 0;
12773 quickBoard[to] = piece;
12774 pieceList[piece] = to;
12784 flipSearch = FALSE;
12785 CopyBoard(soughtBoard, boards[currentMove]);
12786 soughtTotal = MakePieceList(soughtBoard, maxSought);
12787 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12788 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12789 CopyBoard(reverseBoard, boards[currentMove]);
12790 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12791 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12792 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12793 reverseBoard[r][f] = piece;
12795 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12796 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12797 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12798 || (boards[currentMove][CASTLING][2] == NoRights ||
12799 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12800 && (boards[currentMove][CASTLING][5] == NoRights ||
12801 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12804 CopyBoard(flipBoard, soughtBoard);
12805 CopyBoard(rotateBoard, reverseBoard);
12806 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12807 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12808 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12811 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12812 if(appData.searchMode >= 5) {
12813 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12814 MakePieceList(soughtBoard, minSought);
12815 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12817 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12818 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12821 GameInfo dummyInfo;
12822 static int creatingBook;
12825 GameContainsPosition (FILE *f, ListGame *lg)
12827 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12828 int fromX, fromY, toX, toY;
12830 static int initDone=FALSE;
12832 // weed out games based on numerical tag comparison
12833 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12834 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12835 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12836 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12838 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12841 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12842 else CopyBoard(boards[scratch], initialPosition); // default start position
12845 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12846 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12849 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12850 fseek(f, lg->offset, 0);
12853 yyboardindex = scratch;
12854 quickFlag = plyNr+1;
12859 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12865 if(plyNr) return -1; // after we have seen moves, this is for new game
12868 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12869 case ImpossibleMove:
12870 case WhiteWins: // game ends here with these four
12873 case GameUnfinished:
12877 if(appData.testLegality) return -1;
12878 case WhiteCapturesEnPassant:
12879 case BlackCapturesEnPassant:
12880 case WhitePromotion:
12881 case BlackPromotion:
12882 case WhiteNonPromotion:
12883 case BlackNonPromotion:
12886 case WhiteKingSideCastle:
12887 case WhiteQueenSideCastle:
12888 case BlackKingSideCastle:
12889 case BlackQueenSideCastle:
12890 case WhiteKingSideCastleWild:
12891 case WhiteQueenSideCastleWild:
12892 case BlackKingSideCastleWild:
12893 case BlackQueenSideCastleWild:
12894 case WhiteHSideCastleFR:
12895 case WhiteASideCastleFR:
12896 case BlackHSideCastleFR:
12897 case BlackASideCastleFR:
12898 fromX = currentMoveString[0] - AAA;
12899 fromY = currentMoveString[1] - ONE;
12900 toX = currentMoveString[2] - AAA;
12901 toY = currentMoveString[3] - ONE;
12902 promoChar = currentMoveString[4];
12906 fromX = next == WhiteDrop ?
12907 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12908 (int) CharToPiece(ToLower(currentMoveString[0]));
12910 toX = currentMoveString[2] - AAA;
12911 toY = currentMoveString[3] - ONE;
12915 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12917 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12918 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12919 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12920 if(appData.findMirror) {
12921 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12922 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12927 /* Load the nth game from open file f */
12929 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12933 int gn = gameNumber;
12934 ListGame *lg = NULL;
12935 int numPGNTags = 0;
12937 GameMode oldGameMode;
12938 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12939 char oldName[MSG_SIZ];
12941 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12943 if (appData.debugMode)
12944 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12946 if (gameMode == Training )
12947 SetTrainingModeOff();
12949 oldGameMode = gameMode;
12950 if (gameMode != BeginningOfGame) {
12951 Reset(FALSE, TRUE);
12953 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
12956 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12957 fclose(lastLoadGameFP);
12961 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12964 fseek(f, lg->offset, 0);
12965 GameListHighlight(gameNumber);
12966 pos = lg->position;
12970 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12971 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12973 DisplayError(_("Game number out of range"), 0);
12978 if (fseek(f, 0, 0) == -1) {
12979 if (f == lastLoadGameFP ?
12980 gameNumber == lastLoadGameNumber + 1 :
12984 DisplayError(_("Can't seek on game file"), 0);
12989 lastLoadGameFP = f;
12990 lastLoadGameNumber = gameNumber;
12991 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12992 lastLoadGameUseList = useList;
12996 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12997 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12998 lg->gameInfo.black);
13000 } else if (*title != NULLCHAR) {
13001 if (gameNumber > 1) {
13002 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13005 DisplayTitle(title);
13009 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13010 gameMode = PlayFromGameFile;
13014 currentMove = forwardMostMove = backwardMostMove = 0;
13015 CopyBoard(boards[0], initialPosition);
13019 * Skip the first gn-1 games in the file.
13020 * Also skip over anything that precedes an identifiable
13021 * start of game marker, to avoid being confused by
13022 * garbage at the start of the file. Currently
13023 * recognized start of game markers are the move number "1",
13024 * the pattern "gnuchess .* game", the pattern
13025 * "^[#;%] [^ ]* game file", and a PGN tag block.
13026 * A game that starts with one of the latter two patterns
13027 * will also have a move number 1, possibly
13028 * following a position diagram.
13029 * 5-4-02: Let's try being more lenient and allowing a game to
13030 * start with an unnumbered move. Does that break anything?
13032 cm = lastLoadGameStart = EndOfFile;
13034 yyboardindex = forwardMostMove;
13035 cm = (ChessMove) Myylex();
13038 if (cmailMsgLoaded) {
13039 nCmailGames = CMAIL_MAX_GAMES - gn;
13042 DisplayError(_("Game not found in file"), 0);
13049 lastLoadGameStart = cm;
13052 case MoveNumberOne:
13053 switch (lastLoadGameStart) {
13058 case MoveNumberOne:
13060 gn--; /* count this game */
13061 lastLoadGameStart = cm;
13070 switch (lastLoadGameStart) {
13073 case MoveNumberOne:
13075 gn--; /* count this game */
13076 lastLoadGameStart = cm;
13079 lastLoadGameStart = cm; /* game counted already */
13087 yyboardindex = forwardMostMove;
13088 cm = (ChessMove) Myylex();
13089 } while (cm == PGNTag || cm == Comment);
13096 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13097 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13098 != CMAIL_OLD_RESULT) {
13100 cmailResult[ CMAIL_MAX_GAMES
13101 - gn - 1] = CMAIL_OLD_RESULT;
13108 /* Only a NormalMove can be at the start of a game
13109 * without a position diagram. */
13110 if (lastLoadGameStart == EndOfFile ) {
13112 lastLoadGameStart = MoveNumberOne;
13121 if (appData.debugMode)
13122 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13124 if (cm == XBoardGame) {
13125 /* Skip any header junk before position diagram and/or move 1 */
13127 yyboardindex = forwardMostMove;
13128 cm = (ChessMove) Myylex();
13130 if (cm == EndOfFile ||
13131 cm == GNUChessGame || cm == XBoardGame) {
13132 /* Empty game; pretend end-of-file and handle later */
13137 if (cm == MoveNumberOne || cm == PositionDiagram ||
13138 cm == PGNTag || cm == Comment)
13141 } else if (cm == GNUChessGame) {
13142 if (gameInfo.event != NULL) {
13143 free(gameInfo.event);
13145 gameInfo.event = StrSave(yy_text);
13148 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13149 while (cm == PGNTag) {
13150 if (appData.debugMode)
13151 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13152 err = ParsePGNTag(yy_text, &gameInfo);
13153 if (!err) numPGNTags++;
13155 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13156 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13157 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13158 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13159 InitPosition(TRUE);
13160 oldVariant = gameInfo.variant;
13161 if (appData.debugMode)
13162 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13166 if (gameInfo.fen != NULL) {
13167 Board initial_position;
13168 startedFromSetupPosition = TRUE;
13169 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13171 DisplayError(_("Bad FEN position in file"), 0);
13174 CopyBoard(boards[0], initial_position);
13175 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13176 CopyBoard(initialPosition, initial_position);
13177 if (blackPlaysFirst) {
13178 currentMove = forwardMostMove = backwardMostMove = 1;
13179 CopyBoard(boards[1], initial_position);
13180 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13181 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13182 timeRemaining[0][1] = whiteTimeRemaining;
13183 timeRemaining[1][1] = blackTimeRemaining;
13184 if (commentList[0] != NULL) {
13185 commentList[1] = commentList[0];
13186 commentList[0] = NULL;
13189 currentMove = forwardMostMove = backwardMostMove = 0;
13191 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13193 initialRulePlies = FENrulePlies;
13194 for( i=0; i< nrCastlingRights; i++ )
13195 initialRights[i] = initial_position[CASTLING][i];
13197 yyboardindex = forwardMostMove;
13198 free(gameInfo.fen);
13199 gameInfo.fen = NULL;
13202 yyboardindex = forwardMostMove;
13203 cm = (ChessMove) Myylex();
13205 /* Handle comments interspersed among the tags */
13206 while (cm == Comment) {
13208 if (appData.debugMode)
13209 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13211 AppendComment(currentMove, p, FALSE);
13212 yyboardindex = forwardMostMove;
13213 cm = (ChessMove) Myylex();
13217 /* don't rely on existence of Event tag since if game was
13218 * pasted from clipboard the Event tag may not exist
13220 if (numPGNTags > 0){
13222 if (gameInfo.variant == VariantNormal) {
13223 VariantClass v = StringToVariant(gameInfo.event);
13224 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13225 if(v < VariantShogi) gameInfo.variant = v;
13228 if( appData.autoDisplayTags ) {
13229 tags = PGNTags(&gameInfo);
13230 TagsPopUp(tags, CmailMsg());
13235 /* Make something up, but don't display it now */
13240 if (cm == PositionDiagram) {
13243 Board initial_position;
13245 if (appData.debugMode)
13246 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13248 if (!startedFromSetupPosition) {
13250 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13251 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13262 initial_position[i][j++] = CharToPiece(*p);
13265 while (*p == ' ' || *p == '\t' ||
13266 *p == '\n' || *p == '\r') p++;
13268 if (strncmp(p, "black", strlen("black"))==0)
13269 blackPlaysFirst = TRUE;
13271 blackPlaysFirst = FALSE;
13272 startedFromSetupPosition = TRUE;
13274 CopyBoard(boards[0], initial_position);
13275 if (blackPlaysFirst) {
13276 currentMove = forwardMostMove = backwardMostMove = 1;
13277 CopyBoard(boards[1], initial_position);
13278 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13279 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13280 timeRemaining[0][1] = whiteTimeRemaining;
13281 timeRemaining[1][1] = blackTimeRemaining;
13282 if (commentList[0] != NULL) {
13283 commentList[1] = commentList[0];
13284 commentList[0] = NULL;
13287 currentMove = forwardMostMove = backwardMostMove = 0;
13290 yyboardindex = forwardMostMove;
13291 cm = (ChessMove) Myylex();
13294 if(!creatingBook) {
13295 if (first.pr == NoProc) {
13296 StartChessProgram(&first);
13298 InitChessProgram(&first, FALSE);
13299 if(gameInfo.variant == VariantUnknown && *oldName) {
13300 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13301 gameInfo.variant = v;
13303 SendToProgram("force\n", &first);
13304 if (startedFromSetupPosition) {
13305 SendBoard(&first, forwardMostMove);
13306 if (appData.debugMode) {
13307 fprintf(debugFP, "Load Game\n");
13309 DisplayBothClocks();
13313 /* [HGM] server: flag to write setup moves in broadcast file as one */
13314 loadFlag = appData.suppressLoadMoves;
13316 while (cm == Comment) {
13318 if (appData.debugMode)
13319 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13321 AppendComment(currentMove, p, FALSE);
13322 yyboardindex = forwardMostMove;
13323 cm = (ChessMove) Myylex();
13326 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13327 cm == WhiteWins || cm == BlackWins ||
13328 cm == GameIsDrawn || cm == GameUnfinished) {
13329 DisplayMessage("", _("No moves in game"));
13330 if (cmailMsgLoaded) {
13331 if (appData.debugMode)
13332 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13336 DrawPosition(FALSE, boards[currentMove]);
13337 DisplayBothClocks();
13338 gameMode = EditGame;
13345 // [HGM] PV info: routine tests if comment empty
13346 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13347 DisplayComment(currentMove - 1, commentList[currentMove]);
13349 if (!matchMode && appData.timeDelay != 0)
13350 DrawPosition(FALSE, boards[currentMove]);
13352 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13353 programStats.ok_to_send = 1;
13356 /* if the first token after the PGN tags is a move
13357 * and not move number 1, retrieve it from the parser
13359 if (cm != MoveNumberOne)
13360 LoadGameOneMove(cm);
13362 /* load the remaining moves from the file */
13363 while (LoadGameOneMove(EndOfFile)) {
13364 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13365 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13368 /* rewind to the start of the game */
13369 currentMove = backwardMostMove;
13371 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13373 if (oldGameMode == AnalyzeFile) {
13374 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13375 AnalyzeFileEvent();
13377 if (oldGameMode == AnalyzeMode) {
13378 AnalyzeFileEvent();
13381 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13382 long int w, b; // [HGM] adjourn: restore saved clock times
13383 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13384 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13385 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13386 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13390 if(creatingBook) return TRUE;
13391 if (!matchMode && pos > 0) {
13392 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13394 if (matchMode || appData.timeDelay == 0) {
13396 } else if (appData.timeDelay > 0) {
13397 AutoPlayGameLoop();
13400 if (appData.debugMode)
13401 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13403 loadFlag = 0; /* [HGM] true game starts */
13407 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13409 ReloadPosition (int offset)
13411 int positionNumber = lastLoadPositionNumber + offset;
13412 if (lastLoadPositionFP == NULL) {
13413 DisplayError(_("No position has been loaded yet"), 0);
13416 if (positionNumber <= 0) {
13417 DisplayError(_("Can't back up any further"), 0);
13420 return LoadPosition(lastLoadPositionFP, positionNumber,
13421 lastLoadPositionTitle);
13424 /* Load the nth position from the given file */
13426 LoadPositionFromFile (char *filename, int n, char *title)
13431 if (strcmp(filename, "-") == 0) {
13432 return LoadPosition(stdin, n, "stdin");
13434 f = fopen(filename, "rb");
13436 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13437 DisplayError(buf, errno);
13440 return LoadPosition(f, n, title);
13445 /* Load the nth position from the given open file, and close it */
13447 LoadPosition (FILE *f, int positionNumber, char *title)
13449 char *p, line[MSG_SIZ];
13450 Board initial_position;
13451 int i, j, fenMode, pn;
13453 if (gameMode == Training )
13454 SetTrainingModeOff();
13456 if (gameMode != BeginningOfGame) {
13457 Reset(FALSE, TRUE);
13459 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13460 fclose(lastLoadPositionFP);
13462 if (positionNumber == 0) positionNumber = 1;
13463 lastLoadPositionFP = f;
13464 lastLoadPositionNumber = positionNumber;
13465 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13466 if (first.pr == NoProc && !appData.noChessProgram) {
13467 StartChessProgram(&first);
13468 InitChessProgram(&first, FALSE);
13470 pn = positionNumber;
13471 if (positionNumber < 0) {
13472 /* Negative position number means to seek to that byte offset */
13473 if (fseek(f, -positionNumber, 0) == -1) {
13474 DisplayError(_("Can't seek on position file"), 0);
13479 if (fseek(f, 0, 0) == -1) {
13480 if (f == lastLoadPositionFP ?
13481 positionNumber == lastLoadPositionNumber + 1 :
13482 positionNumber == 1) {
13485 DisplayError(_("Can't seek on position file"), 0);
13490 /* See if this file is FEN or old-style xboard */
13491 if (fgets(line, MSG_SIZ, f) == NULL) {
13492 DisplayError(_("Position not found in file"), 0);
13495 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13496 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13499 if (fenMode || line[0] == '#') pn--;
13501 /* skip positions before number pn */
13502 if (fgets(line, MSG_SIZ, f) == NULL) {
13504 DisplayError(_("Position not found in file"), 0);
13507 if (fenMode || line[0] == '#') pn--;
13513 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13514 DisplayError(_("Bad FEN position in file"), 0);
13517 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13518 sscanf(p+3, "%s", bestMove);
13519 } else *bestMove = NULLCHAR;
13521 (void) fgets(line, MSG_SIZ, f);
13522 (void) fgets(line, MSG_SIZ, f);
13524 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13525 (void) fgets(line, MSG_SIZ, f);
13526 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13529 initial_position[i][j++] = CharToPiece(*p);
13533 blackPlaysFirst = FALSE;
13535 (void) fgets(line, MSG_SIZ, f);
13536 if (strncmp(line, "black", strlen("black"))==0)
13537 blackPlaysFirst = TRUE;
13540 startedFromSetupPosition = TRUE;
13542 CopyBoard(boards[0], initial_position);
13543 if (blackPlaysFirst) {
13544 currentMove = forwardMostMove = backwardMostMove = 1;
13545 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13546 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13547 CopyBoard(boards[1], initial_position);
13548 DisplayMessage("", _("Black to play"));
13550 currentMove = forwardMostMove = backwardMostMove = 0;
13551 DisplayMessage("", _("White to play"));
13553 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13554 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13555 SendToProgram("force\n", &first);
13556 SendBoard(&first, forwardMostMove);
13558 if (appData.debugMode) {
13560 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13561 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13562 fprintf(debugFP, "Load Position\n");
13565 if (positionNumber > 1) {
13566 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13567 DisplayTitle(line);
13569 DisplayTitle(title);
13571 gameMode = EditGame;
13574 timeRemaining[0][1] = whiteTimeRemaining;
13575 timeRemaining[1][1] = blackTimeRemaining;
13576 DrawPosition(FALSE, boards[currentMove]);
13583 CopyPlayerNameIntoFileName (char **dest, char *src)
13585 while (*src != NULLCHAR && *src != ',') {
13590 *(*dest)++ = *src++;
13596 DefaultFileName (char *ext)
13598 static char def[MSG_SIZ];
13601 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13603 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13605 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13607 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13614 /* Save the current game to the given file */
13616 SaveGameToFile (char *filename, int append)
13620 int result, i, t,tot=0;
13622 if (strcmp(filename, "-") == 0) {
13623 return SaveGame(stdout, 0, NULL);
13625 for(i=0; i<10; i++) { // upto 10 tries
13626 f = fopen(filename, append ? "a" : "w");
13627 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13628 if(f || errno != 13) break;
13629 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13633 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13634 DisplayError(buf, errno);
13637 safeStrCpy(buf, lastMsg, MSG_SIZ);
13638 DisplayMessage(_("Waiting for access to save file"), "");
13639 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13640 DisplayMessage(_("Saving game"), "");
13641 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13642 result = SaveGame(f, 0, NULL);
13643 DisplayMessage(buf, "");
13650 SavePart (char *str)
13652 static char buf[MSG_SIZ];
13655 p = strchr(str, ' ');
13656 if (p == NULL) return str;
13657 strncpy(buf, str, p - str);
13658 buf[p - str] = NULLCHAR;
13662 #define PGN_MAX_LINE 75
13664 #define PGN_SIDE_WHITE 0
13665 #define PGN_SIDE_BLACK 1
13668 FindFirstMoveOutOfBook (int side)
13672 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13673 int index = backwardMostMove;
13674 int has_book_hit = 0;
13676 if( (index % 2) != side ) {
13680 while( index < forwardMostMove ) {
13681 /* Check to see if engine is in book */
13682 int depth = pvInfoList[index].depth;
13683 int score = pvInfoList[index].score;
13689 else if( score == 0 && depth == 63 ) {
13690 in_book = 1; /* Zappa */
13692 else if( score == 2 && depth == 99 ) {
13693 in_book = 1; /* Abrok */
13696 has_book_hit += in_book;
13712 GetOutOfBookInfo (char * buf)
13716 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13718 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13719 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13723 if( oob[0] >= 0 || oob[1] >= 0 ) {
13724 for( i=0; i<2; i++ ) {
13728 if( i > 0 && oob[0] >= 0 ) {
13729 strcat( buf, " " );
13732 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13733 sprintf( buf+strlen(buf), "%s%.2f",
13734 pvInfoList[idx].score >= 0 ? "+" : "",
13735 pvInfoList[idx].score / 100.0 );
13741 /* Save game in PGN style */
13743 SaveGamePGN2 (FILE *f)
13745 int i, offset, linelen, newblock;
13748 int movelen, numlen, blank;
13749 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13751 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13753 PrintPGNTags(f, &gameInfo);
13755 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13757 if (backwardMostMove > 0 || startedFromSetupPosition) {
13758 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13759 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13760 fprintf(f, "\n{--------------\n");
13761 PrintPosition(f, backwardMostMove);
13762 fprintf(f, "--------------}\n");
13766 /* [AS] Out of book annotation */
13767 if( appData.saveOutOfBookInfo ) {
13770 GetOutOfBookInfo( buf );
13772 if( buf[0] != '\0' ) {
13773 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13780 i = backwardMostMove;
13784 while (i < forwardMostMove) {
13785 /* Print comments preceding this move */
13786 if (commentList[i] != NULL) {
13787 if (linelen > 0) fprintf(f, "\n");
13788 fprintf(f, "%s", commentList[i]);
13793 /* Format move number */
13795 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13798 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13800 numtext[0] = NULLCHAR;
13802 numlen = strlen(numtext);
13805 /* Print move number */
13806 blank = linelen > 0 && numlen > 0;
13807 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13816 fprintf(f, "%s", numtext);
13820 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13821 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13824 blank = linelen > 0 && movelen > 0;
13825 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13834 fprintf(f, "%s", move_buffer);
13835 linelen += movelen;
13837 /* [AS] Add PV info if present */
13838 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13839 /* [HGM] add time */
13840 char buf[MSG_SIZ]; int seconds;
13842 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13848 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13851 seconds = (seconds + 4)/10; // round to full seconds
13853 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13855 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13858 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13859 pvInfoList[i].score >= 0 ? "+" : "",
13860 pvInfoList[i].score / 100.0,
13861 pvInfoList[i].depth,
13864 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13866 /* Print score/depth */
13867 blank = linelen > 0 && movelen > 0;
13868 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13877 fprintf(f, "%s", move_buffer);
13878 linelen += movelen;
13884 /* Start a new line */
13885 if (linelen > 0) fprintf(f, "\n");
13887 /* Print comments after last move */
13888 if (commentList[i] != NULL) {
13889 fprintf(f, "%s\n", commentList[i]);
13893 if (gameInfo.resultDetails != NULL &&
13894 gameInfo.resultDetails[0] != NULLCHAR) {
13895 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13896 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13897 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13898 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13899 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13901 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13905 /* Save game in PGN style and close the file */
13907 SaveGamePGN (FILE *f)
13911 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13915 /* Save game in old style and close the file */
13917 SaveGameOldStyle (FILE *f)
13922 tm = time((time_t *) NULL);
13924 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13927 if (backwardMostMove > 0 || startedFromSetupPosition) {
13928 fprintf(f, "\n[--------------\n");
13929 PrintPosition(f, backwardMostMove);
13930 fprintf(f, "--------------]\n");
13935 i = backwardMostMove;
13936 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13938 while (i < forwardMostMove) {
13939 if (commentList[i] != NULL) {
13940 fprintf(f, "[%s]\n", commentList[i]);
13943 if ((i % 2) == 1) {
13944 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13947 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13949 if (commentList[i] != NULL) {
13953 if (i >= forwardMostMove) {
13957 fprintf(f, "%s\n", parseList[i]);
13962 if (commentList[i] != NULL) {
13963 fprintf(f, "[%s]\n", commentList[i]);
13966 /* This isn't really the old style, but it's close enough */
13967 if (gameInfo.resultDetails != NULL &&
13968 gameInfo.resultDetails[0] != NULLCHAR) {
13969 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13970 gameInfo.resultDetails);
13972 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13979 /* Save the current game to open file f and close the file */
13981 SaveGame (FILE *f, int dummy, char *dummy2)
13983 if (gameMode == EditPosition) EditPositionDone(TRUE);
13984 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13985 if (appData.oldSaveStyle)
13986 return SaveGameOldStyle(f);
13988 return SaveGamePGN(f);
13991 /* Save the current position to the given file */
13993 SavePositionToFile (char *filename)
13998 if (strcmp(filename, "-") == 0) {
13999 return SavePosition(stdout, 0, NULL);
14001 f = fopen(filename, "a");
14003 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14004 DisplayError(buf, errno);
14007 safeStrCpy(buf, lastMsg, MSG_SIZ);
14008 DisplayMessage(_("Waiting for access to save file"), "");
14009 flock(fileno(f), LOCK_EX); // [HGM] lock
14010 DisplayMessage(_("Saving position"), "");
14011 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14012 SavePosition(f, 0, NULL);
14013 DisplayMessage(buf, "");
14019 /* Save the current position to the given open file and close the file */
14021 SavePosition (FILE *f, int dummy, char *dummy2)
14026 if (gameMode == EditPosition) EditPositionDone(TRUE);
14027 if (appData.oldSaveStyle) {
14028 tm = time((time_t *) NULL);
14030 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14032 fprintf(f, "[--------------\n");
14033 PrintPosition(f, currentMove);
14034 fprintf(f, "--------------]\n");
14036 fen = PositionToFEN(currentMove, NULL, 1);
14037 fprintf(f, "%s\n", fen);
14045 ReloadCmailMsgEvent (int unregister)
14048 static char *inFilename = NULL;
14049 static char *outFilename;
14051 struct stat inbuf, outbuf;
14054 /* Any registered moves are unregistered if unregister is set, */
14055 /* i.e. invoked by the signal handler */
14057 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14058 cmailMoveRegistered[i] = FALSE;
14059 if (cmailCommentList[i] != NULL) {
14060 free(cmailCommentList[i]);
14061 cmailCommentList[i] = NULL;
14064 nCmailMovesRegistered = 0;
14067 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14068 cmailResult[i] = CMAIL_NOT_RESULT;
14072 if (inFilename == NULL) {
14073 /* Because the filenames are static they only get malloced once */
14074 /* and they never get freed */
14075 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14076 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14078 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14079 sprintf(outFilename, "%s.out", appData.cmailGameName);
14082 status = stat(outFilename, &outbuf);
14084 cmailMailedMove = FALSE;
14086 status = stat(inFilename, &inbuf);
14087 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14090 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14091 counts the games, notes how each one terminated, etc.
14093 It would be nice to remove this kludge and instead gather all
14094 the information while building the game list. (And to keep it
14095 in the game list nodes instead of having a bunch of fixed-size
14096 parallel arrays.) Note this will require getting each game's
14097 termination from the PGN tags, as the game list builder does
14098 not process the game moves. --mann
14100 cmailMsgLoaded = TRUE;
14101 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14103 /* Load first game in the file or popup game menu */
14104 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14106 #endif /* !WIN32 */
14114 char string[MSG_SIZ];
14116 if ( cmailMailedMove
14117 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14118 return TRUE; /* Allow free viewing */
14121 /* Unregister move to ensure that we don't leave RegisterMove */
14122 /* with the move registered when the conditions for registering no */
14124 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14125 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14126 nCmailMovesRegistered --;
14128 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14130 free(cmailCommentList[lastLoadGameNumber - 1]);
14131 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14135 if (cmailOldMove == -1) {
14136 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14140 if (currentMove > cmailOldMove + 1) {
14141 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14145 if (currentMove < cmailOldMove) {
14146 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14150 if (forwardMostMove > currentMove) {
14151 /* Silently truncate extra moves */
14155 if ( (currentMove == cmailOldMove + 1)
14156 || ( (currentMove == cmailOldMove)
14157 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14158 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14159 if (gameInfo.result != GameUnfinished) {
14160 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14163 if (commentList[currentMove] != NULL) {
14164 cmailCommentList[lastLoadGameNumber - 1]
14165 = StrSave(commentList[currentMove]);
14167 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14169 if (appData.debugMode)
14170 fprintf(debugFP, "Saving %s for game %d\n",
14171 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14173 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14175 f = fopen(string, "w");
14176 if (appData.oldSaveStyle) {
14177 SaveGameOldStyle(f); /* also closes the file */
14179 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14180 f = fopen(string, "w");
14181 SavePosition(f, 0, NULL); /* also closes the file */
14183 fprintf(f, "{--------------\n");
14184 PrintPosition(f, currentMove);
14185 fprintf(f, "--------------}\n\n");
14187 SaveGame(f, 0, NULL); /* also closes the file*/
14190 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14191 nCmailMovesRegistered ++;
14192 } else if (nCmailGames == 1) {
14193 DisplayError(_("You have not made a move yet"), 0);
14204 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14205 FILE *commandOutput;
14206 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14207 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14213 if (! cmailMsgLoaded) {
14214 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14218 if (nCmailGames == nCmailResults) {
14219 DisplayError(_("No unfinished games"), 0);
14223 #if CMAIL_PROHIBIT_REMAIL
14224 if (cmailMailedMove) {
14225 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);
14226 DisplayError(msg, 0);
14231 if (! (cmailMailedMove || RegisterMove())) return;
14233 if ( cmailMailedMove
14234 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14235 snprintf(string, MSG_SIZ, partCommandString,
14236 appData.debugMode ? " -v" : "", appData.cmailGameName);
14237 commandOutput = popen(string, "r");
14239 if (commandOutput == NULL) {
14240 DisplayError(_("Failed to invoke cmail"), 0);
14242 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14243 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14245 if (nBuffers > 1) {
14246 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14247 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14248 nBytes = MSG_SIZ - 1;
14250 (void) memcpy(msg, buffer, nBytes);
14252 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14254 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14255 cmailMailedMove = TRUE; /* Prevent >1 moves */
14258 for (i = 0; i < nCmailGames; i ++) {
14259 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14264 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14266 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14268 appData.cmailGameName,
14270 LoadGameFromFile(buffer, 1, buffer, FALSE);
14271 cmailMsgLoaded = FALSE;
14275 DisplayInformation(msg);
14276 pclose(commandOutput);
14279 if ((*cmailMsg) != '\0') {
14280 DisplayInformation(cmailMsg);
14285 #endif /* !WIN32 */
14294 int prependComma = 0;
14296 char string[MSG_SIZ]; /* Space for game-list */
14299 if (!cmailMsgLoaded) return "";
14301 if (cmailMailedMove) {
14302 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14304 /* Create a list of games left */
14305 snprintf(string, MSG_SIZ, "[");
14306 for (i = 0; i < nCmailGames; i ++) {
14307 if (! ( cmailMoveRegistered[i]
14308 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14309 if (prependComma) {
14310 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14312 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14316 strcat(string, number);
14319 strcat(string, "]");
14321 if (nCmailMovesRegistered + nCmailResults == 0) {
14322 switch (nCmailGames) {
14324 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14328 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14332 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14337 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14339 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14344 if (nCmailResults == nCmailGames) {
14345 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14347 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14352 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14364 if (gameMode == Training)
14365 SetTrainingModeOff();
14368 cmailMsgLoaded = FALSE;
14369 if (appData.icsActive) {
14370 SendToICS(ics_prefix);
14371 SendToICS("refresh\n");
14376 ExitEvent (int status)
14380 /* Give up on clean exit */
14384 /* Keep trying for clean exit */
14388 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14389 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14391 if (telnetISR != NULL) {
14392 RemoveInputSource(telnetISR);
14394 if (icsPR != NoProc) {
14395 DestroyChildProcess(icsPR, TRUE);
14398 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14399 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14401 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14402 /* make sure this other one finishes before killing it! */
14403 if(endingGame) { int count = 0;
14404 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14405 while(endingGame && count++ < 10) DoSleep(1);
14406 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14409 /* Kill off chess programs */
14410 if (first.pr != NoProc) {
14413 DoSleep( appData.delayBeforeQuit );
14414 SendToProgram("quit\n", &first);
14415 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14417 if (second.pr != NoProc) {
14418 DoSleep( appData.delayBeforeQuit );
14419 SendToProgram("quit\n", &second);
14420 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14422 if (first.isr != NULL) {
14423 RemoveInputSource(first.isr);
14425 if (second.isr != NULL) {
14426 RemoveInputSource(second.isr);
14429 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14430 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14432 ShutDownFrontEnd();
14437 PauseEngine (ChessProgramState *cps)
14439 SendToProgram("pause\n", cps);
14444 UnPauseEngine (ChessProgramState *cps)
14446 SendToProgram("resume\n", cps);
14453 if (appData.debugMode)
14454 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14458 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14460 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14461 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14462 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14464 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14465 HandleMachineMove(stashedInputMove, stalledEngine);
14466 stalledEngine = NULL;
14469 if (gameMode == MachinePlaysWhite ||
14470 gameMode == TwoMachinesPlay ||
14471 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14472 if(first.pause) UnPauseEngine(&first);
14473 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14474 if(second.pause) UnPauseEngine(&second);
14475 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14478 DisplayBothClocks();
14480 if (gameMode == PlayFromGameFile) {
14481 if (appData.timeDelay >= 0)
14482 AutoPlayGameLoop();
14483 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14484 Reset(FALSE, TRUE);
14485 SendToICS(ics_prefix);
14486 SendToICS("refresh\n");
14487 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14488 ForwardInner(forwardMostMove);
14490 pauseExamInvalid = FALSE;
14492 switch (gameMode) {
14496 pauseExamForwardMostMove = forwardMostMove;
14497 pauseExamInvalid = FALSE;
14500 case IcsPlayingWhite:
14501 case IcsPlayingBlack:
14505 case PlayFromGameFile:
14506 (void) StopLoadGameTimer();
14510 case BeginningOfGame:
14511 if (appData.icsActive) return;
14512 /* else fall through */
14513 case MachinePlaysWhite:
14514 case MachinePlaysBlack:
14515 case TwoMachinesPlay:
14516 if (forwardMostMove == 0)
14517 return; /* don't pause if no one has moved */
14518 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14519 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14520 if(onMove->pause) { // thinking engine can be paused
14521 PauseEngine(onMove); // do it
14522 if(onMove->other->pause) // pondering opponent can always be paused immediately
14523 PauseEngine(onMove->other);
14525 SendToProgram("easy\n", onMove->other);
14527 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14528 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14530 PauseEngine(&first);
14532 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14533 } else { // human on move, pause pondering by either method
14535 PauseEngine(&first);
14536 else if(appData.ponderNextMove)
14537 SendToProgram("easy\n", &first);
14540 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14550 EditCommentEvent ()
14552 char title[MSG_SIZ];
14554 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14555 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14557 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14558 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14559 parseList[currentMove - 1]);
14562 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14569 char *tags = PGNTags(&gameInfo);
14571 EditTagsPopUp(tags, NULL);
14578 if(second.analyzing) {
14579 SendToProgram("exit\n", &second);
14580 second.analyzing = FALSE;
14582 if (second.pr == NoProc) StartChessProgram(&second);
14583 InitChessProgram(&second, FALSE);
14584 FeedMovesToProgram(&second, currentMove);
14586 SendToProgram("analyze\n", &second);
14587 second.analyzing = TRUE;
14591 /* Toggle ShowThinking */
14593 ToggleShowThinking()
14595 appData.showThinking = !appData.showThinking;
14596 ShowThinkingEvent();
14600 AnalyzeModeEvent ()
14604 if (!first.analysisSupport) {
14605 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14606 DisplayError(buf, 0);
14609 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14610 if (appData.icsActive) {
14611 if (gameMode != IcsObserving) {
14612 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14613 DisplayError(buf, 0);
14615 if (appData.icsEngineAnalyze) {
14616 if (appData.debugMode)
14617 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14623 /* if enable, user wants to disable icsEngineAnalyze */
14624 if (appData.icsEngineAnalyze) {
14629 appData.icsEngineAnalyze = TRUE;
14630 if (appData.debugMode)
14631 fprintf(debugFP, "ICS engine analyze starting... \n");
14634 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14635 if (appData.noChessProgram || gameMode == AnalyzeMode)
14638 if (gameMode != AnalyzeFile) {
14639 if (!appData.icsEngineAnalyze) {
14641 if (gameMode != EditGame) return 0;
14643 if (!appData.showThinking) ToggleShowThinking();
14644 ResurrectChessProgram();
14645 SendToProgram("analyze\n", &first);
14646 first.analyzing = TRUE;
14647 /*first.maybeThinking = TRUE;*/
14648 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14649 EngineOutputPopUp();
14651 if (!appData.icsEngineAnalyze) {
14652 gameMode = AnalyzeMode;
14653 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14659 StartAnalysisClock();
14660 GetTimeMark(&lastNodeCountTime);
14666 AnalyzeFileEvent ()
14668 if (appData.noChessProgram || gameMode == AnalyzeFile)
14671 if (!first.analysisSupport) {
14673 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14674 DisplayError(buf, 0);
14678 if (gameMode != AnalyzeMode) {
14679 keepInfo = 1; // mere annotating should not alter PGN tags
14682 if (gameMode != EditGame) return;
14683 if (!appData.showThinking) ToggleShowThinking();
14684 ResurrectChessProgram();
14685 SendToProgram("analyze\n", &first);
14686 first.analyzing = TRUE;
14687 /*first.maybeThinking = TRUE;*/
14688 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14689 EngineOutputPopUp();
14691 gameMode = AnalyzeFile;
14695 StartAnalysisClock();
14696 GetTimeMark(&lastNodeCountTime);
14698 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14699 AnalysisPeriodicEvent(1);
14703 MachineWhiteEvent ()
14706 char *bookHit = NULL;
14708 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14712 if (gameMode == PlayFromGameFile ||
14713 gameMode == TwoMachinesPlay ||
14714 gameMode == Training ||
14715 gameMode == AnalyzeMode ||
14716 gameMode == EndOfGame)
14719 if (gameMode == EditPosition)
14720 EditPositionDone(TRUE);
14722 if (!WhiteOnMove(currentMove)) {
14723 DisplayError(_("It is not White's turn"), 0);
14727 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14730 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14731 gameMode == AnalyzeFile)
14734 ResurrectChessProgram(); /* in case it isn't running */
14735 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14736 gameMode = MachinePlaysWhite;
14739 gameMode = MachinePlaysWhite;
14743 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14745 if (first.sendName) {
14746 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14747 SendToProgram(buf, &first);
14749 if (first.sendTime) {
14750 if (first.useColors) {
14751 SendToProgram("black\n", &first); /*gnu kludge*/
14753 SendTimeRemaining(&first, TRUE);
14755 if (first.useColors) {
14756 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14758 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14759 SetMachineThinkingEnables();
14760 first.maybeThinking = TRUE;
14764 if (appData.autoFlipView && !flipView) {
14765 flipView = !flipView;
14766 DrawPosition(FALSE, NULL);
14767 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14770 if(bookHit) { // [HGM] book: simulate book reply
14771 static char bookMove[MSG_SIZ]; // a bit generous?
14773 programStats.nodes = programStats.depth = programStats.time =
14774 programStats.score = programStats.got_only_move = 0;
14775 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14777 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14778 strcat(bookMove, bookHit);
14779 HandleMachineMove(bookMove, &first);
14784 MachineBlackEvent ()
14787 char *bookHit = NULL;
14789 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14793 if (gameMode == PlayFromGameFile ||
14794 gameMode == TwoMachinesPlay ||
14795 gameMode == Training ||
14796 gameMode == AnalyzeMode ||
14797 gameMode == EndOfGame)
14800 if (gameMode == EditPosition)
14801 EditPositionDone(TRUE);
14803 if (WhiteOnMove(currentMove)) {
14804 DisplayError(_("It is not Black's turn"), 0);
14808 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14811 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14812 gameMode == AnalyzeFile)
14815 ResurrectChessProgram(); /* in case it isn't running */
14816 gameMode = MachinePlaysBlack;
14820 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14822 if (first.sendName) {
14823 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14824 SendToProgram(buf, &first);
14826 if (first.sendTime) {
14827 if (first.useColors) {
14828 SendToProgram("white\n", &first); /*gnu kludge*/
14830 SendTimeRemaining(&first, FALSE);
14832 if (first.useColors) {
14833 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14835 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14836 SetMachineThinkingEnables();
14837 first.maybeThinking = TRUE;
14840 if (appData.autoFlipView && flipView) {
14841 flipView = !flipView;
14842 DrawPosition(FALSE, NULL);
14843 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14845 if(bookHit) { // [HGM] book: simulate book reply
14846 static char bookMove[MSG_SIZ]; // a bit generous?
14848 programStats.nodes = programStats.depth = programStats.time =
14849 programStats.score = programStats.got_only_move = 0;
14850 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14852 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14853 strcat(bookMove, bookHit);
14854 HandleMachineMove(bookMove, &first);
14860 DisplayTwoMachinesTitle ()
14863 if (appData.matchGames > 0) {
14864 if(appData.tourneyFile[0]) {
14865 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14866 gameInfo.white, _("vs."), gameInfo.black,
14867 nextGame+1, appData.matchGames+1,
14868 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14870 if (first.twoMachinesColor[0] == 'w') {
14871 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14872 gameInfo.white, _("vs."), gameInfo.black,
14873 first.matchWins, second.matchWins,
14874 matchGame - 1 - (first.matchWins + second.matchWins));
14876 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14877 gameInfo.white, _("vs."), gameInfo.black,
14878 second.matchWins, first.matchWins,
14879 matchGame - 1 - (first.matchWins + second.matchWins));
14882 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14888 SettingsMenuIfReady ()
14890 if (second.lastPing != second.lastPong) {
14891 DisplayMessage("", _("Waiting for second chess program"));
14892 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14896 DisplayMessage("", "");
14897 SettingsPopUp(&second);
14901 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14904 if (cps->pr == NoProc) {
14905 StartChessProgram(cps);
14906 if (cps->protocolVersion == 1) {
14908 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14910 /* kludge: allow timeout for initial "feature" command */
14911 if(retry != TwoMachinesEventIfReady) FreezeUI();
14912 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14913 DisplayMessage("", buf);
14914 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14922 TwoMachinesEvent P((void))
14926 ChessProgramState *onmove;
14927 char *bookHit = NULL;
14928 static int stalling = 0;
14932 if (appData.noChessProgram) return;
14934 switch (gameMode) {
14935 case TwoMachinesPlay:
14937 case MachinePlaysWhite:
14938 case MachinePlaysBlack:
14939 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14940 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14944 case BeginningOfGame:
14945 case PlayFromGameFile:
14948 if (gameMode != EditGame) return;
14951 EditPositionDone(TRUE);
14962 // forwardMostMove = currentMove;
14963 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14964 startingEngine = TRUE;
14966 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14968 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14969 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14970 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14973 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14975 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14976 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14977 startingEngine = matchMode = FALSE;
14978 DisplayError("second engine does not play this", 0);
14979 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14980 EditGameEvent(); // switch back to EditGame mode
14985 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14986 SendToProgram("force\n", &second);
14988 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14991 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14992 if(appData.matchPause>10000 || appData.matchPause<10)
14993 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14994 wait = SubtractTimeMarks(&now, &pauseStart);
14995 if(wait < appData.matchPause) {
14996 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14999 // we are now committed to starting the game
15001 DisplayMessage("", "");
15002 if (startedFromSetupPosition) {
15003 SendBoard(&second, backwardMostMove);
15004 if (appData.debugMode) {
15005 fprintf(debugFP, "Two Machines\n");
15008 for (i = backwardMostMove; i < forwardMostMove; i++) {
15009 SendMoveToProgram(i, &second);
15012 gameMode = TwoMachinesPlay;
15013 pausing = startingEngine = FALSE;
15014 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15016 DisplayTwoMachinesTitle();
15018 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15023 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15024 SendToProgram(first.computerString, &first);
15025 if (first.sendName) {
15026 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15027 SendToProgram(buf, &first);
15029 SendToProgram(second.computerString, &second);
15030 if (second.sendName) {
15031 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15032 SendToProgram(buf, &second);
15036 if (!first.sendTime || !second.sendTime) {
15037 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15038 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15040 if (onmove->sendTime) {
15041 if (onmove->useColors) {
15042 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15044 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15046 if (onmove->useColors) {
15047 SendToProgram(onmove->twoMachinesColor, onmove);
15049 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15050 // SendToProgram("go\n", onmove);
15051 onmove->maybeThinking = TRUE;
15052 SetMachineThinkingEnables();
15056 if(bookHit) { // [HGM] book: simulate book reply
15057 static char bookMove[MSG_SIZ]; // a bit generous?
15059 programStats.nodes = programStats.depth = programStats.time =
15060 programStats.score = programStats.got_only_move = 0;
15061 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15063 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15064 strcat(bookMove, bookHit);
15065 savedMessage = bookMove; // args for deferred call
15066 savedState = onmove;
15067 ScheduleDelayedEvent(DeferredBookMove, 1);
15074 if (gameMode == Training) {
15075 SetTrainingModeOff();
15076 gameMode = PlayFromGameFile;
15077 DisplayMessage("", _("Training mode off"));
15079 gameMode = Training;
15080 animateTraining = appData.animate;
15082 /* make sure we are not already at the end of the game */
15083 if (currentMove < forwardMostMove) {
15084 SetTrainingModeOn();
15085 DisplayMessage("", _("Training mode on"));
15087 gameMode = PlayFromGameFile;
15088 DisplayError(_("Already at end of game"), 0);
15097 if (!appData.icsActive) return;
15098 switch (gameMode) {
15099 case IcsPlayingWhite:
15100 case IcsPlayingBlack:
15103 case BeginningOfGame:
15111 EditPositionDone(TRUE);
15124 gameMode = IcsIdle;
15134 switch (gameMode) {
15136 SetTrainingModeOff();
15138 case MachinePlaysWhite:
15139 case MachinePlaysBlack:
15140 case BeginningOfGame:
15141 SendToProgram("force\n", &first);
15142 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15143 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15145 abortEngineThink = TRUE;
15146 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15147 SendToProgram(buf, &first);
15148 DisplayMessage("Aborting engine think", "");
15152 SetUserThinkingEnables();
15154 case PlayFromGameFile:
15155 (void) StopLoadGameTimer();
15156 if (gameFileFP != NULL) {
15161 EditPositionDone(TRUE);
15166 SendToProgram("force\n", &first);
15168 case TwoMachinesPlay:
15169 GameEnds(EndOfFile, NULL, GE_PLAYER);
15170 ResurrectChessProgram();
15171 SetUserThinkingEnables();
15174 ResurrectChessProgram();
15176 case IcsPlayingBlack:
15177 case IcsPlayingWhite:
15178 DisplayError(_("Warning: You are still playing a game"), 0);
15181 DisplayError(_("Warning: You are still observing a game"), 0);
15184 DisplayError(_("Warning: You are still examining a game"), 0);
15195 first.offeredDraw = second.offeredDraw = 0;
15197 if (gameMode == PlayFromGameFile) {
15198 whiteTimeRemaining = timeRemaining[0][currentMove];
15199 blackTimeRemaining = timeRemaining[1][currentMove];
15203 if (gameMode == MachinePlaysWhite ||
15204 gameMode == MachinePlaysBlack ||
15205 gameMode == TwoMachinesPlay ||
15206 gameMode == EndOfGame) {
15207 i = forwardMostMove;
15208 while (i > currentMove) {
15209 SendToProgram("undo\n", &first);
15212 if(!adjustedClock) {
15213 whiteTimeRemaining = timeRemaining[0][currentMove];
15214 blackTimeRemaining = timeRemaining[1][currentMove];
15215 DisplayBothClocks();
15217 if (whiteFlag || blackFlag) {
15218 whiteFlag = blackFlag = 0;
15223 gameMode = EditGame;
15230 EditPositionEvent ()
15232 if (gameMode == EditPosition) {
15238 if (gameMode != EditGame) return;
15240 gameMode = EditPosition;
15243 if (currentMove > 0)
15244 CopyBoard(boards[0], boards[currentMove]);
15246 blackPlaysFirst = !WhiteOnMove(currentMove);
15248 currentMove = forwardMostMove = backwardMostMove = 0;
15249 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15251 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15257 /* [DM] icsEngineAnalyze - possible call from other functions */
15258 if (appData.icsEngineAnalyze) {
15259 appData.icsEngineAnalyze = FALSE;
15261 DisplayMessage("",_("Close ICS engine analyze..."));
15263 if (first.analysisSupport && first.analyzing) {
15264 SendToBoth("exit\n");
15265 first.analyzing = second.analyzing = FALSE;
15267 thinkOutput[0] = NULLCHAR;
15271 EditPositionDone (Boolean fakeRights)
15273 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15275 startedFromSetupPosition = TRUE;
15276 InitChessProgram(&first, FALSE);
15277 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15278 boards[0][EP_STATUS] = EP_NONE;
15279 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15280 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15281 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15282 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15283 } else boards[0][CASTLING][2] = NoRights;
15284 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15285 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15286 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15287 } else boards[0][CASTLING][5] = NoRights;
15288 if(gameInfo.variant == VariantSChess) {
15290 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15291 boards[0][VIRGIN][i] = 0;
15292 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15293 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15297 SendToProgram("force\n", &first);
15298 if (blackPlaysFirst) {
15299 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15300 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15301 currentMove = forwardMostMove = backwardMostMove = 1;
15302 CopyBoard(boards[1], boards[0]);
15304 currentMove = forwardMostMove = backwardMostMove = 0;
15306 SendBoard(&first, forwardMostMove);
15307 if (appData.debugMode) {
15308 fprintf(debugFP, "EditPosDone\n");
15311 DisplayMessage("", "");
15312 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15313 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15314 gameMode = EditGame;
15316 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15317 ClearHighlights(); /* [AS] */
15320 /* Pause for `ms' milliseconds */
15321 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15323 TimeDelay (long ms)
15330 } while (SubtractTimeMarks(&m2, &m1) < ms);
15333 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15335 SendMultiLineToICS (char *buf)
15337 char temp[MSG_SIZ+1], *p;
15344 strncpy(temp, buf, len);
15349 if (*p == '\n' || *p == '\r')
15354 strcat(temp, "\n");
15356 SendToPlayer(temp, strlen(temp));
15360 SetWhiteToPlayEvent ()
15362 if (gameMode == EditPosition) {
15363 blackPlaysFirst = FALSE;
15364 DisplayBothClocks(); /* works because currentMove is 0 */
15365 } else if (gameMode == IcsExamining) {
15366 SendToICS(ics_prefix);
15367 SendToICS("tomove white\n");
15372 SetBlackToPlayEvent ()
15374 if (gameMode == EditPosition) {
15375 blackPlaysFirst = TRUE;
15376 currentMove = 1; /* kludge */
15377 DisplayBothClocks();
15379 } else if (gameMode == IcsExamining) {
15380 SendToICS(ics_prefix);
15381 SendToICS("tomove black\n");
15386 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15389 ChessSquare piece = boards[0][y][x];
15390 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15391 static int lastVariant;
15393 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15395 switch (selection) {
15397 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15398 MarkTargetSquares(1);
15399 CopyBoard(currentBoard, boards[0]);
15400 CopyBoard(menuBoard, initialPosition);
15401 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15402 SendToICS(ics_prefix);
15403 SendToICS("bsetup clear\n");
15404 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15405 SendToICS(ics_prefix);
15406 SendToICS("clearboard\n");
15409 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15410 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15411 for (y = 0; y < BOARD_HEIGHT; y++) {
15412 if (gameMode == IcsExamining) {
15413 if (boards[currentMove][y][x] != EmptySquare) {
15414 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15418 } else if(boards[0][y][x] != DarkSquare) {
15419 if(boards[0][y][x] != p) nonEmpty++;
15420 boards[0][y][x] = p;
15424 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15426 for(r = 0; r < BOARD_HEIGHT; r++) {
15427 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15428 ChessSquare p = menuBoard[r][x];
15429 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15432 DisplayMessage("Clicking clock again restores position", "");
15433 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15434 if(!nonEmpty) { // asked to clear an empty board
15435 CopyBoard(boards[0], menuBoard);
15437 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15438 CopyBoard(boards[0], initialPosition);
15440 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15441 && !CompareBoards(nullBoard, erasedBoard)) {
15442 CopyBoard(boards[0], erasedBoard);
15444 CopyBoard(erasedBoard, currentBoard);
15448 if (gameMode == EditPosition) {
15449 DrawPosition(FALSE, boards[0]);
15454 SetWhiteToPlayEvent();
15458 SetBlackToPlayEvent();
15462 if (gameMode == IcsExamining) {
15463 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15464 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15467 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15468 if(x == BOARD_LEFT-2) {
15469 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15470 boards[0][y][1] = 0;
15472 if(x == BOARD_RGHT+1) {
15473 if(y >= gameInfo.holdingsSize) break;
15474 boards[0][y][BOARD_WIDTH-2] = 0;
15477 boards[0][y][x] = EmptySquare;
15478 DrawPosition(FALSE, boards[0]);
15483 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15484 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15485 selection = (ChessSquare) (PROMOTED(piece));
15486 } else if(piece == EmptySquare) selection = WhiteSilver;
15487 else selection = (ChessSquare)((int)piece - 1);
15491 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15492 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15493 selection = (ChessSquare) (DEMOTED(piece));
15494 } else if(piece == EmptySquare) selection = BlackSilver;
15495 else selection = (ChessSquare)((int)piece + 1);
15500 if(gameInfo.variant == VariantShatranj ||
15501 gameInfo.variant == VariantXiangqi ||
15502 gameInfo.variant == VariantCourier ||
15503 gameInfo.variant == VariantASEAN ||
15504 gameInfo.variant == VariantMakruk )
15505 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15510 if(gameInfo.variant == VariantXiangqi)
15511 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15512 if(gameInfo.variant == VariantKnightmate)
15513 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15516 if (gameMode == IcsExamining) {
15517 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15518 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15519 PieceToChar(selection), AAA + x, ONE + y);
15522 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15524 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15525 n = PieceToNumber(selection - BlackPawn);
15526 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15527 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15528 boards[0][BOARD_HEIGHT-1-n][1]++;
15530 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15531 n = PieceToNumber(selection);
15532 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15533 boards[0][n][BOARD_WIDTH-1] = selection;
15534 boards[0][n][BOARD_WIDTH-2]++;
15537 boards[0][y][x] = selection;
15538 DrawPosition(TRUE, boards[0]);
15540 fromX = fromY = -1;
15548 DropMenuEvent (ChessSquare selection, int x, int y)
15550 ChessMove moveType;
15552 switch (gameMode) {
15553 case IcsPlayingWhite:
15554 case MachinePlaysBlack:
15555 if (!WhiteOnMove(currentMove)) {
15556 DisplayMoveError(_("It is Black's turn"));
15559 moveType = WhiteDrop;
15561 case IcsPlayingBlack:
15562 case MachinePlaysWhite:
15563 if (WhiteOnMove(currentMove)) {
15564 DisplayMoveError(_("It is White's turn"));
15567 moveType = BlackDrop;
15570 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15576 if (moveType == BlackDrop && selection < BlackPawn) {
15577 selection = (ChessSquare) ((int) selection
15578 + (int) BlackPawn - (int) WhitePawn);
15580 if (boards[currentMove][y][x] != EmptySquare) {
15581 DisplayMoveError(_("That square is occupied"));
15585 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15591 /* Accept a pending offer of any kind from opponent */
15593 if (appData.icsActive) {
15594 SendToICS(ics_prefix);
15595 SendToICS("accept\n");
15596 } else if (cmailMsgLoaded) {
15597 if (currentMove == cmailOldMove &&
15598 commentList[cmailOldMove] != NULL &&
15599 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15600 "Black offers a draw" : "White offers a draw")) {
15602 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15603 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15605 DisplayError(_("There is no pending offer on this move"), 0);
15606 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15609 /* Not used for offers from chess program */
15616 /* Decline a pending offer of any kind from opponent */
15618 if (appData.icsActive) {
15619 SendToICS(ics_prefix);
15620 SendToICS("decline\n");
15621 } else if (cmailMsgLoaded) {
15622 if (currentMove == cmailOldMove &&
15623 commentList[cmailOldMove] != NULL &&
15624 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15625 "Black offers a draw" : "White offers a draw")) {
15627 AppendComment(cmailOldMove, "Draw declined", TRUE);
15628 DisplayComment(cmailOldMove - 1, "Draw declined");
15631 DisplayError(_("There is no pending offer on this move"), 0);
15634 /* Not used for offers from chess program */
15641 /* Issue ICS rematch command */
15642 if (appData.icsActive) {
15643 SendToICS(ics_prefix);
15644 SendToICS("rematch\n");
15651 /* Call your opponent's flag (claim a win on time) */
15652 if (appData.icsActive) {
15653 SendToICS(ics_prefix);
15654 SendToICS("flag\n");
15656 switch (gameMode) {
15659 case MachinePlaysWhite:
15662 GameEnds(GameIsDrawn, "Both players ran out of time",
15665 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15667 DisplayError(_("Your opponent is not out of time"), 0);
15670 case MachinePlaysBlack:
15673 GameEnds(GameIsDrawn, "Both players ran out of time",
15676 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15678 DisplayError(_("Your opponent is not out of time"), 0);
15686 ClockClick (int which)
15687 { // [HGM] code moved to back-end from winboard.c
15688 if(which) { // black clock
15689 if (gameMode == EditPosition || gameMode == IcsExamining) {
15690 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15691 SetBlackToPlayEvent();
15692 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15693 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15694 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15695 } else if (shiftKey) {
15696 AdjustClock(which, -1);
15697 } else if (gameMode == IcsPlayingWhite ||
15698 gameMode == MachinePlaysBlack) {
15701 } else { // white clock
15702 if (gameMode == EditPosition || gameMode == IcsExamining) {
15703 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15704 SetWhiteToPlayEvent();
15705 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15706 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15707 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15708 } else if (shiftKey) {
15709 AdjustClock(which, -1);
15710 } else if (gameMode == IcsPlayingBlack ||
15711 gameMode == MachinePlaysWhite) {
15720 /* Offer draw or accept pending draw offer from opponent */
15722 if (appData.icsActive) {
15723 /* Note: tournament rules require draw offers to be
15724 made after you make your move but before you punch
15725 your clock. Currently ICS doesn't let you do that;
15726 instead, you immediately punch your clock after making
15727 a move, but you can offer a draw at any time. */
15729 SendToICS(ics_prefix);
15730 SendToICS("draw\n");
15731 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15732 } else if (cmailMsgLoaded) {
15733 if (currentMove == cmailOldMove &&
15734 commentList[cmailOldMove] != NULL &&
15735 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15736 "Black offers a draw" : "White offers a draw")) {
15737 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15738 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15739 } else if (currentMove == cmailOldMove + 1) {
15740 char *offer = WhiteOnMove(cmailOldMove) ?
15741 "White offers a draw" : "Black offers a draw";
15742 AppendComment(currentMove, offer, TRUE);
15743 DisplayComment(currentMove - 1, offer);
15744 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15746 DisplayError(_("You must make your move before offering a draw"), 0);
15747 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15749 } else if (first.offeredDraw) {
15750 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15752 if (first.sendDrawOffers) {
15753 SendToProgram("draw\n", &first);
15754 userOfferedDraw = TRUE;
15762 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15764 if (appData.icsActive) {
15765 SendToICS(ics_prefix);
15766 SendToICS("adjourn\n");
15768 /* Currently GNU Chess doesn't offer or accept Adjourns */
15776 /* Offer Abort or accept pending Abort offer from opponent */
15778 if (appData.icsActive) {
15779 SendToICS(ics_prefix);
15780 SendToICS("abort\n");
15782 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15789 /* Resign. You can do this even if it's not your turn. */
15791 if (appData.icsActive) {
15792 SendToICS(ics_prefix);
15793 SendToICS("resign\n");
15795 switch (gameMode) {
15796 case MachinePlaysWhite:
15797 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15799 case MachinePlaysBlack:
15800 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15803 if (cmailMsgLoaded) {
15805 if (WhiteOnMove(cmailOldMove)) {
15806 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15808 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15810 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15821 StopObservingEvent ()
15823 /* Stop observing current games */
15824 SendToICS(ics_prefix);
15825 SendToICS("unobserve\n");
15829 StopExaminingEvent ()
15831 /* Stop observing current game */
15832 SendToICS(ics_prefix);
15833 SendToICS("unexamine\n");
15837 ForwardInner (int target)
15839 int limit; int oldSeekGraphUp = seekGraphUp;
15841 if (appData.debugMode)
15842 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15843 target, currentMove, forwardMostMove);
15845 if (gameMode == EditPosition)
15848 seekGraphUp = FALSE;
15849 MarkTargetSquares(1);
15850 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15852 if (gameMode == PlayFromGameFile && !pausing)
15855 if (gameMode == IcsExamining && pausing)
15856 limit = pauseExamForwardMostMove;
15858 limit = forwardMostMove;
15860 if (target > limit) target = limit;
15862 if (target > 0 && moveList[target - 1][0]) {
15863 int fromX, fromY, toX, toY;
15864 toX = moveList[target - 1][2] - AAA;
15865 toY = moveList[target - 1][3] - ONE;
15866 if (moveList[target - 1][1] == '@') {
15867 if (appData.highlightLastMove) {
15868 SetHighlights(-1, -1, toX, toY);
15871 int viaX = moveList[target - 1][5] - AAA;
15872 int viaY = moveList[target - 1][6] - ONE;
15873 fromX = moveList[target - 1][0] - AAA;
15874 fromY = moveList[target - 1][1] - ONE;
15875 if (target == currentMove + 1) {
15876 if(moveList[target - 1][4] == ';') { // multi-leg
15877 ChessSquare piece = boards[currentMove][viaY][viaX];
15878 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15879 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15880 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15881 boards[currentMove][viaY][viaX] = piece;
15883 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15885 if (appData.highlightLastMove) {
15886 SetHighlights(fromX, fromY, toX, toY);
15890 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15891 gameMode == Training || gameMode == PlayFromGameFile ||
15892 gameMode == AnalyzeFile) {
15893 while (currentMove < target) {
15894 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15895 SendMoveToProgram(currentMove++, &first);
15898 currentMove = target;
15901 if (gameMode == EditGame || gameMode == EndOfGame) {
15902 whiteTimeRemaining = timeRemaining[0][currentMove];
15903 blackTimeRemaining = timeRemaining[1][currentMove];
15905 DisplayBothClocks();
15906 DisplayMove(currentMove - 1);
15907 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15908 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15909 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15910 DisplayComment(currentMove - 1, commentList[currentMove]);
15912 ClearMap(); // [HGM] exclude: invalidate map
15919 if (gameMode == IcsExamining && !pausing) {
15920 SendToICS(ics_prefix);
15921 SendToICS("forward\n");
15923 ForwardInner(currentMove + 1);
15930 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15931 /* to optimze, we temporarily turn off analysis mode while we feed
15932 * the remaining moves to the engine. Otherwise we get analysis output
15935 if (first.analysisSupport) {
15936 SendToProgram("exit\nforce\n", &first);
15937 first.analyzing = FALSE;
15941 if (gameMode == IcsExamining && !pausing) {
15942 SendToICS(ics_prefix);
15943 SendToICS("forward 999999\n");
15945 ForwardInner(forwardMostMove);
15948 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15949 /* we have fed all the moves, so reactivate analysis mode */
15950 SendToProgram("analyze\n", &first);
15951 first.analyzing = TRUE;
15952 /*first.maybeThinking = TRUE;*/
15953 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15958 BackwardInner (int target)
15960 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15962 if (appData.debugMode)
15963 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15964 target, currentMove, forwardMostMove);
15966 if (gameMode == EditPosition) return;
15967 seekGraphUp = FALSE;
15968 MarkTargetSquares(1);
15969 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15970 if (currentMove <= backwardMostMove) {
15972 DrawPosition(full_redraw, boards[currentMove]);
15975 if (gameMode == PlayFromGameFile && !pausing)
15978 if (moveList[target][0]) {
15979 int fromX, fromY, toX, toY;
15980 toX = moveList[target][2] - AAA;
15981 toY = moveList[target][3] - ONE;
15982 if (moveList[target][1] == '@') {
15983 if (appData.highlightLastMove) {
15984 SetHighlights(-1, -1, toX, toY);
15987 fromX = moveList[target][0] - AAA;
15988 fromY = moveList[target][1] - ONE;
15989 if (target == currentMove - 1) {
15990 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15992 if (appData.highlightLastMove) {
15993 SetHighlights(fromX, fromY, toX, toY);
15997 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15998 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15999 while (currentMove > target) {
16000 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16001 // null move cannot be undone. Reload program with move history before it.
16003 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16004 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16006 SendBoard(&first, i);
16007 if(second.analyzing) SendBoard(&second, i);
16008 for(currentMove=i; currentMove<target; currentMove++) {
16009 SendMoveToProgram(currentMove, &first);
16010 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16014 SendToBoth("undo\n");
16018 currentMove = target;
16021 if (gameMode == EditGame || gameMode == EndOfGame) {
16022 whiteTimeRemaining = timeRemaining[0][currentMove];
16023 blackTimeRemaining = timeRemaining[1][currentMove];
16025 DisplayBothClocks();
16026 DisplayMove(currentMove - 1);
16027 DrawPosition(full_redraw, boards[currentMove]);
16028 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16029 // [HGM] PV info: routine tests if comment empty
16030 DisplayComment(currentMove - 1, commentList[currentMove]);
16031 ClearMap(); // [HGM] exclude: invalidate map
16037 if (gameMode == IcsExamining && !pausing) {
16038 SendToICS(ics_prefix);
16039 SendToICS("backward\n");
16041 BackwardInner(currentMove - 1);
16048 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16049 /* to optimize, we temporarily turn off analysis mode while we undo
16050 * all the moves. Otherwise we get analysis output after each undo.
16052 if (first.analysisSupport) {
16053 SendToProgram("exit\nforce\n", &first);
16054 first.analyzing = FALSE;
16058 if (gameMode == IcsExamining && !pausing) {
16059 SendToICS(ics_prefix);
16060 SendToICS("backward 999999\n");
16062 BackwardInner(backwardMostMove);
16065 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16066 /* we have fed all the moves, so reactivate analysis mode */
16067 SendToProgram("analyze\n", &first);
16068 first.analyzing = TRUE;
16069 /*first.maybeThinking = TRUE;*/
16070 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16077 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16078 if (to >= forwardMostMove) to = forwardMostMove;
16079 if (to <= backwardMostMove) to = backwardMostMove;
16080 if (to < currentMove) {
16088 RevertEvent (Boolean annotate)
16090 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16093 if (gameMode != IcsExamining) {
16094 DisplayError(_("You are not examining a game"), 0);
16098 DisplayError(_("You can't revert while pausing"), 0);
16101 SendToICS(ics_prefix);
16102 SendToICS("revert\n");
16106 RetractMoveEvent ()
16108 switch (gameMode) {
16109 case MachinePlaysWhite:
16110 case MachinePlaysBlack:
16111 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16112 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16115 if (forwardMostMove < 2) return;
16116 currentMove = forwardMostMove = forwardMostMove - 2;
16117 whiteTimeRemaining = timeRemaining[0][currentMove];
16118 blackTimeRemaining = timeRemaining[1][currentMove];
16119 DisplayBothClocks();
16120 DisplayMove(currentMove - 1);
16121 ClearHighlights();/*!! could figure this out*/
16122 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16123 SendToProgram("remove\n", &first);
16124 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16127 case BeginningOfGame:
16131 case IcsPlayingWhite:
16132 case IcsPlayingBlack:
16133 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16134 SendToICS(ics_prefix);
16135 SendToICS("takeback 2\n");
16137 SendToICS(ics_prefix);
16138 SendToICS("takeback 1\n");
16147 ChessProgramState *cps;
16149 switch (gameMode) {
16150 case MachinePlaysWhite:
16151 if (!WhiteOnMove(forwardMostMove)) {
16152 DisplayError(_("It is your turn"), 0);
16157 case MachinePlaysBlack:
16158 if (WhiteOnMove(forwardMostMove)) {
16159 DisplayError(_("It is your turn"), 0);
16164 case TwoMachinesPlay:
16165 if (WhiteOnMove(forwardMostMove) ==
16166 (first.twoMachinesColor[0] == 'w')) {
16172 case BeginningOfGame:
16176 SendToProgram("?\n", cps);
16180 TruncateGameEvent ()
16183 if (gameMode != EditGame) return;
16190 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16191 if (forwardMostMove > currentMove) {
16192 if (gameInfo.resultDetails != NULL) {
16193 free(gameInfo.resultDetails);
16194 gameInfo.resultDetails = NULL;
16195 gameInfo.result = GameUnfinished;
16197 forwardMostMove = currentMove;
16198 HistorySet(parseList, backwardMostMove, forwardMostMove,
16206 if (appData.noChessProgram) return;
16207 switch (gameMode) {
16208 case MachinePlaysWhite:
16209 if (WhiteOnMove(forwardMostMove)) {
16210 DisplayError(_("Wait until your turn."), 0);
16214 case BeginningOfGame:
16215 case MachinePlaysBlack:
16216 if (!WhiteOnMove(forwardMostMove)) {
16217 DisplayError(_("Wait until your turn."), 0);
16222 DisplayError(_("No hint available"), 0);
16225 SendToProgram("hint\n", &first);
16226 hintRequested = TRUE;
16230 SaveSelected (FILE *g, int dummy, char *dummy2)
16232 ListGame * lg = (ListGame *) gameList.head;
16236 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16237 DisplayError(_("Game list not loaded or empty"), 0);
16241 creatingBook = TRUE; // suppresses stuff during load game
16243 /* Get list size */
16244 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16245 if(lg->position >= 0) { // selected?
16246 LoadGame(f, nItem, "", TRUE);
16247 SaveGamePGN2(g); // leaves g open
16250 lg = (ListGame *) lg->node.succ;
16254 creatingBook = FALSE;
16262 ListGame * lg = (ListGame *) gameList.head;
16265 static int secondTime = FALSE;
16267 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16268 DisplayError(_("Game list not loaded or empty"), 0);
16272 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16275 DisplayNote(_("Book file exists! Try again for overwrite."));
16279 creatingBook = TRUE;
16280 secondTime = FALSE;
16282 /* Get list size */
16283 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16284 if(lg->position >= 0) {
16285 LoadGame(f, nItem, "", TRUE);
16286 AddGameToBook(TRUE);
16289 lg = (ListGame *) lg->node.succ;
16292 creatingBook = FALSE;
16299 if (appData.noChessProgram) return;
16300 switch (gameMode) {
16301 case MachinePlaysWhite:
16302 if (WhiteOnMove(forwardMostMove)) {
16303 DisplayError(_("Wait until your turn."), 0);
16307 case BeginningOfGame:
16308 case MachinePlaysBlack:
16309 if (!WhiteOnMove(forwardMostMove)) {
16310 DisplayError(_("Wait until your turn."), 0);
16315 EditPositionDone(TRUE);
16317 case TwoMachinesPlay:
16322 SendToProgram("bk\n", &first);
16323 bookOutput[0] = NULLCHAR;
16324 bookRequested = TRUE;
16330 char *tags = PGNTags(&gameInfo);
16331 TagsPopUp(tags, CmailMsg());
16335 /* end button procedures */
16338 PrintPosition (FILE *fp, int move)
16342 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16343 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16344 char c = PieceToChar(boards[move][i][j]);
16345 fputc(c == '?' ? '.' : c, fp);
16346 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16349 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16350 fprintf(fp, "white to play\n");
16352 fprintf(fp, "black to play\n");
16356 PrintOpponents (FILE *fp)
16358 if (gameInfo.white != NULL) {
16359 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16365 /* Find last component of program's own name, using some heuristics */
16367 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16370 int local = (strcmp(host, "localhost") == 0);
16371 while (!local && (p = strchr(prog, ';')) != NULL) {
16373 while (*p == ' ') p++;
16376 if (*prog == '"' || *prog == '\'') {
16377 q = strchr(prog + 1, *prog);
16379 q = strchr(prog, ' ');
16381 if (q == NULL) q = prog + strlen(prog);
16383 while (p >= prog && *p != '/' && *p != '\\') p--;
16385 if(p == prog && *p == '"') p++;
16387 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16388 memcpy(buf, p, q - p);
16389 buf[q - p] = NULLCHAR;
16397 TimeControlTagValue ()
16400 if (!appData.clockMode) {
16401 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16402 } else if (movesPerSession > 0) {
16403 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16404 } else if (timeIncrement == 0) {
16405 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16407 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16409 return StrSave(buf);
16415 /* This routine is used only for certain modes */
16416 VariantClass v = gameInfo.variant;
16417 ChessMove r = GameUnfinished;
16420 if(keepInfo) return;
16422 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16423 r = gameInfo.result;
16424 p = gameInfo.resultDetails;
16425 gameInfo.resultDetails = NULL;
16427 ClearGameInfo(&gameInfo);
16428 gameInfo.variant = v;
16430 switch (gameMode) {
16431 case MachinePlaysWhite:
16432 gameInfo.event = StrSave( appData.pgnEventHeader );
16433 gameInfo.site = StrSave(HostName());
16434 gameInfo.date = PGNDate();
16435 gameInfo.round = StrSave("-");
16436 gameInfo.white = StrSave(first.tidy);
16437 gameInfo.black = StrSave(UserName());
16438 gameInfo.timeControl = TimeControlTagValue();
16441 case MachinePlaysBlack:
16442 gameInfo.event = StrSave( appData.pgnEventHeader );
16443 gameInfo.site = StrSave(HostName());
16444 gameInfo.date = PGNDate();
16445 gameInfo.round = StrSave("-");
16446 gameInfo.white = StrSave(UserName());
16447 gameInfo.black = StrSave(first.tidy);
16448 gameInfo.timeControl = TimeControlTagValue();
16451 case TwoMachinesPlay:
16452 gameInfo.event = StrSave( appData.pgnEventHeader );
16453 gameInfo.site = StrSave(HostName());
16454 gameInfo.date = PGNDate();
16457 snprintf(buf, MSG_SIZ, "%d", roundNr);
16458 gameInfo.round = StrSave(buf);
16460 gameInfo.round = StrSave("-");
16462 if (first.twoMachinesColor[0] == 'w') {
16463 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16464 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16466 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16467 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16469 gameInfo.timeControl = TimeControlTagValue();
16473 gameInfo.event = StrSave("Edited game");
16474 gameInfo.site = StrSave(HostName());
16475 gameInfo.date = PGNDate();
16476 gameInfo.round = StrSave("-");
16477 gameInfo.white = StrSave("-");
16478 gameInfo.black = StrSave("-");
16479 gameInfo.result = r;
16480 gameInfo.resultDetails = p;
16484 gameInfo.event = StrSave("Edited position");
16485 gameInfo.site = StrSave(HostName());
16486 gameInfo.date = PGNDate();
16487 gameInfo.round = StrSave("-");
16488 gameInfo.white = StrSave("-");
16489 gameInfo.black = StrSave("-");
16492 case IcsPlayingWhite:
16493 case IcsPlayingBlack:
16498 case PlayFromGameFile:
16499 gameInfo.event = StrSave("Game from non-PGN file");
16500 gameInfo.site = StrSave(HostName());
16501 gameInfo.date = PGNDate();
16502 gameInfo.round = StrSave("-");
16503 gameInfo.white = StrSave("?");
16504 gameInfo.black = StrSave("?");
16513 ReplaceComment (int index, char *text)
16519 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16520 pvInfoList[index-1].depth == len &&
16521 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16522 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16523 while (*text == '\n') text++;
16524 len = strlen(text);
16525 while (len > 0 && text[len - 1] == '\n') len--;
16527 if (commentList[index] != NULL)
16528 free(commentList[index]);
16531 commentList[index] = NULL;
16534 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16535 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16536 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16537 commentList[index] = (char *) malloc(len + 2);
16538 strncpy(commentList[index], text, len);
16539 commentList[index][len] = '\n';
16540 commentList[index][len + 1] = NULLCHAR;
16542 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16544 commentList[index] = (char *) malloc(len + 7);
16545 safeStrCpy(commentList[index], "{\n", 3);
16546 safeStrCpy(commentList[index]+2, text, len+1);
16547 commentList[index][len+2] = NULLCHAR;
16548 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16549 strcat(commentList[index], "\n}\n");
16554 CrushCRs (char *text)
16562 if (ch == '\r') continue;
16564 } while (ch != '\0');
16568 AppendComment (int index, char *text, Boolean addBraces)
16569 /* addBraces tells if we should add {} */
16574 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16575 if(addBraces == 3) addBraces = 0; else // force appending literally
16576 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16579 while (*text == '\n') text++;
16580 len = strlen(text);
16581 while (len > 0 && text[len - 1] == '\n') len--;
16582 text[len] = NULLCHAR;
16584 if (len == 0) return;
16586 if (commentList[index] != NULL) {
16587 Boolean addClosingBrace = addBraces;
16588 old = commentList[index];
16589 oldlen = strlen(old);
16590 while(commentList[index][oldlen-1] == '\n')
16591 commentList[index][--oldlen] = NULLCHAR;
16592 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16593 safeStrCpy(commentList[index], old, oldlen + len + 6);
16595 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16596 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16597 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16598 while (*text == '\n') { text++; len--; }
16599 commentList[index][--oldlen] = NULLCHAR;
16601 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16602 else strcat(commentList[index], "\n");
16603 strcat(commentList[index], text);
16604 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16605 else strcat(commentList[index], "\n");
16607 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16609 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16610 else commentList[index][0] = NULLCHAR;
16611 strcat(commentList[index], text);
16612 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16613 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16618 FindStr (char * text, char * sub_text)
16620 char * result = strstr( text, sub_text );
16622 if( result != NULL ) {
16623 result += strlen( sub_text );
16629 /* [AS] Try to extract PV info from PGN comment */
16630 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16632 GetInfoFromComment (int index, char * text)
16634 char * sep = text, *p;
16636 if( text != NULL && index > 0 ) {
16639 int time = -1, sec = 0, deci;
16640 char * s_eval = FindStr( text, "[%eval " );
16641 char * s_emt = FindStr( text, "[%emt " );
16643 if( s_eval != NULL || s_emt != NULL ) {
16645 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16650 if( s_eval != NULL ) {
16651 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16655 if( delim != ']' ) {
16660 if( s_emt != NULL ) {
16665 /* We expect something like: [+|-]nnn.nn/dd */
16668 if(*text != '{') return text; // [HGM] braces: must be normal comment
16670 sep = strchr( text, '/' );
16671 if( sep == NULL || sep < (text+4) ) {
16676 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16677 if(p[1] == '(') { // comment starts with PV
16678 p = strchr(p, ')'); // locate end of PV
16679 if(p == NULL || sep < p+5) return text;
16680 // at this point we have something like "{(.*) +0.23/6 ..."
16681 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16682 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16683 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16685 time = -1; sec = -1; deci = -1;
16686 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16687 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16688 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16689 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16693 if( score_lo < 0 || score_lo >= 100 ) {
16697 if(sec >= 0) time = 600*time + 10*sec; else
16698 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16700 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16702 /* [HGM] PV time: now locate end of PV info */
16703 while( *++sep >= '0' && *sep <= '9'); // strip depth
16705 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16707 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16709 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16710 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16721 pvInfoList[index-1].depth = depth;
16722 pvInfoList[index-1].score = score;
16723 pvInfoList[index-1].time = 10*time; // centi-sec
16724 if(*sep == '}') *sep = 0; else *--sep = '{';
16725 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16731 SendToProgram (char *message, ChessProgramState *cps)
16733 int count, outCount, error;
16736 if (cps->pr == NoProc) return;
16739 if (appData.debugMode) {
16742 fprintf(debugFP, "%ld >%-6s: %s",
16743 SubtractTimeMarks(&now, &programStartTime),
16744 cps->which, message);
16746 fprintf(serverFP, "%ld >%-6s: %s",
16747 SubtractTimeMarks(&now, &programStartTime),
16748 cps->which, message), fflush(serverFP);
16751 count = strlen(message);
16752 outCount = OutputToProcess(cps->pr, message, count, &error);
16753 if (outCount < count && !exiting
16754 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16755 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16756 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16757 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16758 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16759 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16760 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16761 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16763 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16764 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16765 gameInfo.result = res;
16767 gameInfo.resultDetails = StrSave(buf);
16769 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16770 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16775 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16779 ChessProgramState *cps = (ChessProgramState *)closure;
16781 if (isr != cps->isr) return; /* Killed intentionally */
16784 RemoveInputSource(cps->isr);
16785 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16786 _(cps->which), cps->program);
16787 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16788 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16789 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16790 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16791 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16792 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16794 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16795 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16796 gameInfo.result = res;
16798 gameInfo.resultDetails = StrSave(buf);
16800 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16801 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16803 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16804 _(cps->which), cps->program);
16805 RemoveInputSource(cps->isr);
16807 /* [AS] Program is misbehaving badly... kill it */
16808 if( count == -2 ) {
16809 DestroyChildProcess( cps->pr, 9 );
16813 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16818 if ((end_str = strchr(message, '\r')) != NULL)
16819 *end_str = NULLCHAR;
16820 if ((end_str = strchr(message, '\n')) != NULL)
16821 *end_str = NULLCHAR;
16823 if (appData.debugMode) {
16824 TimeMark now; int print = 1;
16825 char *quote = ""; char c; int i;
16827 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16828 char start = message[0];
16829 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16830 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16831 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16832 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16833 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16834 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16835 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16836 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16837 sscanf(message, "hint: %c", &c)!=1 &&
16838 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16839 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16840 print = (appData.engineComments >= 2);
16842 message[0] = start; // restore original message
16846 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16847 SubtractTimeMarks(&now, &programStartTime), cps->which,
16851 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16852 SubtractTimeMarks(&now, &programStartTime), cps->which,
16854 message), fflush(serverFP);
16858 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16859 if (appData.icsEngineAnalyze) {
16860 if (strstr(message, "whisper") != NULL ||
16861 strstr(message, "kibitz") != NULL ||
16862 strstr(message, "tellics") != NULL) return;
16865 HandleMachineMove(message, cps);
16870 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16875 if( timeControl_2 > 0 ) {
16876 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16877 tc = timeControl_2;
16880 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16881 inc /= cps->timeOdds;
16882 st /= cps->timeOdds;
16884 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16887 /* Set exact time per move, normally using st command */
16888 if (cps->stKludge) {
16889 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16891 if (seconds == 0) {
16892 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16894 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16897 snprintf(buf, MSG_SIZ, "st %d\n", st);
16900 /* Set conventional or incremental time control, using level command */
16901 if (seconds == 0) {
16902 /* Note old gnuchess bug -- minutes:seconds used to not work.
16903 Fixed in later versions, but still avoid :seconds
16904 when seconds is 0. */
16905 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16907 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16908 seconds, inc/1000.);
16911 SendToProgram(buf, cps);
16913 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16914 /* Orthogonally, limit search to given depth */
16916 if (cps->sdKludge) {
16917 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16919 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16921 SendToProgram(buf, cps);
16924 if(cps->nps >= 0) { /* [HGM] nps */
16925 if(cps->supportsNPS == FALSE)
16926 cps->nps = -1; // don't use if engine explicitly says not supported!
16928 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16929 SendToProgram(buf, cps);
16934 ChessProgramState *
16936 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16938 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16939 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16945 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16947 char message[MSG_SIZ];
16950 /* Note: this routine must be called when the clocks are stopped
16951 or when they have *just* been set or switched; otherwise
16952 it will be off by the time since the current tick started.
16954 if (machineWhite) {
16955 time = whiteTimeRemaining / 10;
16956 otime = blackTimeRemaining / 10;
16958 time = blackTimeRemaining / 10;
16959 otime = whiteTimeRemaining / 10;
16961 /* [HGM] translate opponent's time by time-odds factor */
16962 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16964 if (time <= 0) time = 1;
16965 if (otime <= 0) otime = 1;
16967 snprintf(message, MSG_SIZ, "time %ld\n", time);
16968 SendToProgram(message, cps);
16970 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16971 SendToProgram(message, cps);
16975 EngineDefinedVariant (ChessProgramState *cps, int n)
16976 { // return name of n-th unknown variant that engine supports
16977 static char buf[MSG_SIZ];
16978 char *p, *s = cps->variants;
16979 if(!s) return NULL;
16980 do { // parse string from variants feature
16982 p = strchr(s, ',');
16983 if(p) *p = NULLCHAR;
16984 v = StringToVariant(s);
16985 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16986 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16987 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16988 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16989 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16990 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16991 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16994 if(n < 0) return buf;
17000 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17003 int len = strlen(name);
17006 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17008 sscanf(*p, "%d", &val);
17010 while (**p && **p != ' ')
17012 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17013 SendToProgram(buf, cps);
17020 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17023 int len = strlen(name);
17024 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17026 sscanf(*p, "%d", loc);
17027 while (**p && **p != ' ') (*p)++;
17028 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17029 SendToProgram(buf, cps);
17036 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17039 int len = strlen(name);
17040 if (strncmp((*p), name, len) == 0
17041 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17043 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17044 sscanf(*p, "%[^\"]", *loc);
17045 while (**p && **p != '\"') (*p)++;
17046 if (**p == '\"') (*p)++;
17047 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17048 SendToProgram(buf, cps);
17055 ParseOption (Option *opt, ChessProgramState *cps)
17056 // [HGM] options: process the string that defines an engine option, and determine
17057 // name, type, default value, and allowed value range
17059 char *p, *q, buf[MSG_SIZ];
17060 int n, min = (-1)<<31, max = 1<<31, def;
17062 opt->target = &opt->value; // OK for spin/slider and checkbox
17063 if(p = strstr(opt->name, " -spin ")) {
17064 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17065 if(max < min) max = min; // enforce consistency
17066 if(def < min) def = min;
17067 if(def > max) def = max;
17072 } else if((p = strstr(opt->name, " -slider "))) {
17073 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17074 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17075 if(max < min) max = min; // enforce consistency
17076 if(def < min) def = min;
17077 if(def > max) def = max;
17081 opt->type = Spin; // Slider;
17082 } else if((p = strstr(opt->name, " -string "))) {
17083 opt->textValue = p+9;
17084 opt->type = TextBox;
17085 opt->target = &opt->textValue;
17086 } else if((p = strstr(opt->name, " -file "))) {
17087 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17088 opt->target = opt->textValue = p+7;
17089 opt->type = FileName; // FileName;
17090 opt->target = &opt->textValue;
17091 } else if((p = strstr(opt->name, " -path "))) {
17092 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17093 opt->target = opt->textValue = p+7;
17094 opt->type = PathName; // PathName;
17095 opt->target = &opt->textValue;
17096 } else if(p = strstr(opt->name, " -check ")) {
17097 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17098 opt->value = (def != 0);
17099 opt->type = CheckBox;
17100 } else if(p = strstr(opt->name, " -combo ")) {
17101 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17102 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17103 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17104 opt->value = n = 0;
17105 while(q = StrStr(q, " /// ")) {
17106 n++; *q = 0; // count choices, and null-terminate each of them
17108 if(*q == '*') { // remember default, which is marked with * prefix
17112 cps->comboList[cps->comboCnt++] = q;
17114 cps->comboList[cps->comboCnt++] = NULL;
17116 opt->type = ComboBox;
17117 } else if(p = strstr(opt->name, " -button")) {
17118 opt->type = Button;
17119 } else if(p = strstr(opt->name, " -save")) {
17120 opt->type = SaveButton;
17121 } else return FALSE;
17122 *p = 0; // terminate option name
17123 // now look if the command-line options define a setting for this engine option.
17124 if(cps->optionSettings && cps->optionSettings[0])
17125 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17126 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17127 snprintf(buf, MSG_SIZ, "option %s", p);
17128 if(p = strstr(buf, ",")) *p = 0;
17129 if(q = strchr(buf, '=')) switch(opt->type) {
17131 for(n=0; n<opt->max; n++)
17132 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17135 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17139 opt->value = atoi(q+1);
17144 SendToProgram(buf, cps);
17150 FeatureDone (ChessProgramState *cps, int val)
17152 DelayedEventCallback cb = GetDelayedEvent();
17153 if ((cb == InitBackEnd3 && cps == &first) ||
17154 (cb == SettingsMenuIfReady && cps == &second) ||
17155 (cb == LoadEngine) ||
17156 (cb == TwoMachinesEventIfReady)) {
17157 CancelDelayedEvent();
17158 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17159 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17160 cps->initDone = val;
17161 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17164 /* Parse feature command from engine */
17166 ParseFeatures (char *args, ChessProgramState *cps)
17174 while (*p == ' ') p++;
17175 if (*p == NULLCHAR) return;
17177 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17178 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17179 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17180 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17181 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17182 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17183 if (BoolFeature(&p, "reuse", &val, cps)) {
17184 /* Engine can disable reuse, but can't enable it if user said no */
17185 if (!val) cps->reuse = FALSE;
17188 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17189 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17190 if (gameMode == TwoMachinesPlay) {
17191 DisplayTwoMachinesTitle();
17197 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17198 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17199 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17200 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17201 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17202 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17203 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17204 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17205 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17206 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17207 if (IntFeature(&p, "done", &val, cps)) {
17208 FeatureDone(cps, val);
17211 /* Added by Tord: */
17212 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17213 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17214 /* End of additions by Tord */
17216 /* [HGM] added features: */
17217 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17218 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17219 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17220 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17221 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17222 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17223 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17224 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17225 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17226 FREE(cps->option[cps->nrOptions].name);
17227 cps->option[cps->nrOptions].name = q; q = NULL;
17228 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17229 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17230 SendToProgram(buf, cps);
17233 if(cps->nrOptions >= MAX_OPTIONS) {
17235 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17236 DisplayError(buf, 0);
17240 /* End of additions by HGM */
17242 /* unknown feature: complain and skip */
17244 while (*q && *q != '=') q++;
17245 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17246 SendToProgram(buf, cps);
17252 while (*p && *p != '\"') p++;
17253 if (*p == '\"') p++;
17255 while (*p && *p != ' ') p++;
17263 PeriodicUpdatesEvent (int newState)
17265 if (newState == appData.periodicUpdates)
17268 appData.periodicUpdates=newState;
17270 /* Display type changes, so update it now */
17271 // DisplayAnalysis();
17273 /* Get the ball rolling again... */
17275 AnalysisPeriodicEvent(1);
17276 StartAnalysisClock();
17281 PonderNextMoveEvent (int newState)
17283 if (newState == appData.ponderNextMove) return;
17284 if (gameMode == EditPosition) EditPositionDone(TRUE);
17286 SendToProgram("hard\n", &first);
17287 if (gameMode == TwoMachinesPlay) {
17288 SendToProgram("hard\n", &second);
17291 SendToProgram("easy\n", &first);
17292 thinkOutput[0] = NULLCHAR;
17293 if (gameMode == TwoMachinesPlay) {
17294 SendToProgram("easy\n", &second);
17297 appData.ponderNextMove = newState;
17301 NewSettingEvent (int option, int *feature, char *command, int value)
17305 if (gameMode == EditPosition) EditPositionDone(TRUE);
17306 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17307 if(feature == NULL || *feature) SendToProgram(buf, &first);
17308 if (gameMode == TwoMachinesPlay) {
17309 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17314 ShowThinkingEvent ()
17315 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17317 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17318 int newState = appData.showThinking
17319 // [HGM] thinking: other features now need thinking output as well
17320 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17322 if (oldState == newState) return;
17323 oldState = newState;
17324 if (gameMode == EditPosition) EditPositionDone(TRUE);
17326 SendToProgram("post\n", &first);
17327 if (gameMode == TwoMachinesPlay) {
17328 SendToProgram("post\n", &second);
17331 SendToProgram("nopost\n", &first);
17332 thinkOutput[0] = NULLCHAR;
17333 if (gameMode == TwoMachinesPlay) {
17334 SendToProgram("nopost\n", &second);
17337 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17341 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17343 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17344 if (pr == NoProc) return;
17345 AskQuestion(title, question, replyPrefix, pr);
17349 TypeInEvent (char firstChar)
17351 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17352 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17353 gameMode == AnalyzeMode || gameMode == EditGame ||
17354 gameMode == EditPosition || gameMode == IcsExamining ||
17355 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17356 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17357 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17358 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17359 gameMode == Training) PopUpMoveDialog(firstChar);
17363 TypeInDoneEvent (char *move)
17366 int n, fromX, fromY, toX, toY;
17368 ChessMove moveType;
17371 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17372 EditPositionPasteFEN(move);
17375 // [HGM] movenum: allow move number to be typed in any mode
17376 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17380 // undocumented kludge: allow command-line option to be typed in!
17381 // (potentially fatal, and does not implement the effect of the option.)
17382 // should only be used for options that are values on which future decisions will be made,
17383 // and definitely not on options that would be used during initialization.
17384 if(strstr(move, "!!! -") == move) {
17385 ParseArgsFromString(move+4);
17389 if (gameMode != EditGame && currentMove != forwardMostMove &&
17390 gameMode != Training) {
17391 DisplayMoveError(_("Displayed move is not current"));
17393 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17394 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17395 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17396 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17397 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17398 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17400 DisplayMoveError(_("Could not parse move"));
17406 DisplayMove (int moveNumber)
17408 char message[MSG_SIZ];
17410 char cpThinkOutput[MSG_SIZ];
17412 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17414 if (moveNumber == forwardMostMove - 1 ||
17415 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17417 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17419 if (strchr(cpThinkOutput, '\n')) {
17420 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17423 *cpThinkOutput = NULLCHAR;
17426 /* [AS] Hide thinking from human user */
17427 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17428 *cpThinkOutput = NULLCHAR;
17429 if( thinkOutput[0] != NULLCHAR ) {
17432 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17433 cpThinkOutput[i] = '.';
17435 cpThinkOutput[i] = NULLCHAR;
17436 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17440 if (moveNumber == forwardMostMove - 1 &&
17441 gameInfo.resultDetails != NULL) {
17442 if (gameInfo.resultDetails[0] == NULLCHAR) {
17443 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17445 snprintf(res, MSG_SIZ, " {%s} %s",
17446 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17452 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17453 DisplayMessage(res, cpThinkOutput);
17455 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17456 WhiteOnMove(moveNumber) ? " " : ".. ",
17457 parseList[moveNumber], res);
17458 DisplayMessage(message, cpThinkOutput);
17463 DisplayComment (int moveNumber, char *text)
17465 char title[MSG_SIZ];
17467 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17468 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17470 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17471 WhiteOnMove(moveNumber) ? " " : ".. ",
17472 parseList[moveNumber]);
17474 if (text != NULL && (appData.autoDisplayComment || commentUp))
17475 CommentPopUp(title, text);
17478 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17479 * might be busy thinking or pondering. It can be omitted if your
17480 * gnuchess is configured to stop thinking immediately on any user
17481 * input. However, that gnuchess feature depends on the FIONREAD
17482 * ioctl, which does not work properly on some flavors of Unix.
17485 Attention (ChessProgramState *cps)
17488 if (!cps->useSigint) return;
17489 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17490 switch (gameMode) {
17491 case MachinePlaysWhite:
17492 case MachinePlaysBlack:
17493 case TwoMachinesPlay:
17494 case IcsPlayingWhite:
17495 case IcsPlayingBlack:
17498 /* Skip if we know it isn't thinking */
17499 if (!cps->maybeThinking) return;
17500 if (appData.debugMode)
17501 fprintf(debugFP, "Interrupting %s\n", cps->which);
17502 InterruptChildProcess(cps->pr);
17503 cps->maybeThinking = FALSE;
17508 #endif /*ATTENTION*/
17514 if (whiteTimeRemaining <= 0) {
17517 if (appData.icsActive) {
17518 if (appData.autoCallFlag &&
17519 gameMode == IcsPlayingBlack && !blackFlag) {
17520 SendToICS(ics_prefix);
17521 SendToICS("flag\n");
17525 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17527 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17528 if (appData.autoCallFlag) {
17529 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17536 if (blackTimeRemaining <= 0) {
17539 if (appData.icsActive) {
17540 if (appData.autoCallFlag &&
17541 gameMode == IcsPlayingWhite && !whiteFlag) {
17542 SendToICS(ics_prefix);
17543 SendToICS("flag\n");
17547 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17549 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17550 if (appData.autoCallFlag) {
17551 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17562 CheckTimeControl ()
17564 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17565 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17568 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17570 if ( !WhiteOnMove(forwardMostMove) ) {
17571 /* White made time control */
17572 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17573 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17574 /* [HGM] time odds: correct new time quota for time odds! */
17575 / WhitePlayer()->timeOdds;
17576 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17578 lastBlack -= blackTimeRemaining;
17579 /* Black made time control */
17580 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17581 / WhitePlayer()->other->timeOdds;
17582 lastWhite = whiteTimeRemaining;
17587 DisplayBothClocks ()
17589 int wom = gameMode == EditPosition ?
17590 !blackPlaysFirst : WhiteOnMove(currentMove);
17591 DisplayWhiteClock(whiteTimeRemaining, wom);
17592 DisplayBlackClock(blackTimeRemaining, !wom);
17596 /* Timekeeping seems to be a portability nightmare. I think everyone
17597 has ftime(), but I'm really not sure, so I'm including some ifdefs
17598 to use other calls if you don't. Clocks will be less accurate if
17599 you have neither ftime nor gettimeofday.
17602 /* VS 2008 requires the #include outside of the function */
17603 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17604 #include <sys/timeb.h>
17607 /* Get the current time as a TimeMark */
17609 GetTimeMark (TimeMark *tm)
17611 #if HAVE_GETTIMEOFDAY
17613 struct timeval timeVal;
17614 struct timezone timeZone;
17616 gettimeofday(&timeVal, &timeZone);
17617 tm->sec = (long) timeVal.tv_sec;
17618 tm->ms = (int) (timeVal.tv_usec / 1000L);
17620 #else /*!HAVE_GETTIMEOFDAY*/
17623 // include <sys/timeb.h> / moved to just above start of function
17624 struct timeb timeB;
17627 tm->sec = (long) timeB.time;
17628 tm->ms = (int) timeB.millitm;
17630 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17631 tm->sec = (long) time(NULL);
17637 /* Return the difference in milliseconds between two
17638 time marks. We assume the difference will fit in a long!
17641 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17643 return 1000L*(tm2->sec - tm1->sec) +
17644 (long) (tm2->ms - tm1->ms);
17649 * Code to manage the game clocks.
17651 * In tournament play, black starts the clock and then white makes a move.
17652 * We give the human user a slight advantage if he is playing white---the
17653 * clocks don't run until he makes his first move, so it takes zero time.
17654 * Also, we don't account for network lag, so we could get out of sync
17655 * with GNU Chess's clock -- but then, referees are always right.
17658 static TimeMark tickStartTM;
17659 static long intendedTickLength;
17662 NextTickLength (long timeRemaining)
17664 long nominalTickLength, nextTickLength;
17666 if (timeRemaining > 0L && timeRemaining <= 10000L)
17667 nominalTickLength = 100L;
17669 nominalTickLength = 1000L;
17670 nextTickLength = timeRemaining % nominalTickLength;
17671 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17673 return nextTickLength;
17676 /* Adjust clock one minute up or down */
17678 AdjustClock (Boolean which, int dir)
17680 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17681 if(which) blackTimeRemaining += 60000*dir;
17682 else whiteTimeRemaining += 60000*dir;
17683 DisplayBothClocks();
17684 adjustedClock = TRUE;
17687 /* Stop clocks and reset to a fresh time control */
17691 (void) StopClockTimer();
17692 if (appData.icsActive) {
17693 whiteTimeRemaining = blackTimeRemaining = 0;
17694 } else if (searchTime) {
17695 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17696 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17697 } else { /* [HGM] correct new time quote for time odds */
17698 whiteTC = blackTC = fullTimeControlString;
17699 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17700 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17702 if (whiteFlag || blackFlag) {
17704 whiteFlag = blackFlag = FALSE;
17706 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17707 DisplayBothClocks();
17708 adjustedClock = FALSE;
17711 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17713 /* Decrement running clock by amount of time that has passed */
17717 long timeRemaining;
17718 long lastTickLength, fudge;
17721 if (!appData.clockMode) return;
17722 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17726 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17728 /* Fudge if we woke up a little too soon */
17729 fudge = intendedTickLength - lastTickLength;
17730 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17732 if (WhiteOnMove(forwardMostMove)) {
17733 if(whiteNPS >= 0) lastTickLength = 0;
17734 timeRemaining = whiteTimeRemaining -= lastTickLength;
17735 if(timeRemaining < 0 && !appData.icsActive) {
17736 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17737 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17738 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17739 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17742 DisplayWhiteClock(whiteTimeRemaining - fudge,
17743 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17745 if(blackNPS >= 0) lastTickLength = 0;
17746 timeRemaining = blackTimeRemaining -= lastTickLength;
17747 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17748 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17750 blackStartMove = forwardMostMove;
17751 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17754 DisplayBlackClock(blackTimeRemaining - fudge,
17755 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17757 if (CheckFlags()) return;
17759 if(twoBoards) { // count down secondary board's clocks as well
17760 activePartnerTime -= lastTickLength;
17762 if(activePartner == 'W')
17763 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17765 DisplayBlackClock(activePartnerTime, TRUE);
17770 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17771 StartClockTimer(intendedTickLength);
17773 /* if the time remaining has fallen below the alarm threshold, sound the
17774 * alarm. if the alarm has sounded and (due to a takeback or time control
17775 * with increment) the time remaining has increased to a level above the
17776 * threshold, reset the alarm so it can sound again.
17779 if (appData.icsActive && appData.icsAlarm) {
17781 /* make sure we are dealing with the user's clock */
17782 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17783 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17786 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17787 alarmSounded = FALSE;
17788 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17790 alarmSounded = TRUE;
17796 /* A player has just moved, so stop the previously running
17797 clock and (if in clock mode) start the other one.
17798 We redisplay both clocks in case we're in ICS mode, because
17799 ICS gives us an update to both clocks after every move.
17800 Note that this routine is called *after* forwardMostMove
17801 is updated, so the last fractional tick must be subtracted
17802 from the color that is *not* on move now.
17805 SwitchClocks (int newMoveNr)
17807 long lastTickLength;
17809 int flagged = FALSE;
17813 if (StopClockTimer() && appData.clockMode) {
17814 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17815 if (!WhiteOnMove(forwardMostMove)) {
17816 if(blackNPS >= 0) lastTickLength = 0;
17817 blackTimeRemaining -= lastTickLength;
17818 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17819 // if(pvInfoList[forwardMostMove].time == -1)
17820 pvInfoList[forwardMostMove].time = // use GUI time
17821 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17823 if(whiteNPS >= 0) lastTickLength = 0;
17824 whiteTimeRemaining -= lastTickLength;
17825 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17826 // if(pvInfoList[forwardMostMove].time == -1)
17827 pvInfoList[forwardMostMove].time =
17828 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17830 flagged = CheckFlags();
17832 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17833 CheckTimeControl();
17835 if (flagged || !appData.clockMode) return;
17837 switch (gameMode) {
17838 case MachinePlaysBlack:
17839 case MachinePlaysWhite:
17840 case BeginningOfGame:
17841 if (pausing) return;
17845 case PlayFromGameFile:
17853 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17854 if(WhiteOnMove(forwardMostMove))
17855 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17856 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17860 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17861 whiteTimeRemaining : blackTimeRemaining);
17862 StartClockTimer(intendedTickLength);
17866 /* Stop both clocks */
17870 long lastTickLength;
17873 if (!StopClockTimer()) return;
17874 if (!appData.clockMode) return;
17878 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17879 if (WhiteOnMove(forwardMostMove)) {
17880 if(whiteNPS >= 0) lastTickLength = 0;
17881 whiteTimeRemaining -= lastTickLength;
17882 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17884 if(blackNPS >= 0) lastTickLength = 0;
17885 blackTimeRemaining -= lastTickLength;
17886 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17891 /* Start clock of player on move. Time may have been reset, so
17892 if clock is already running, stop and restart it. */
17896 (void) StopClockTimer(); /* in case it was running already */
17897 DisplayBothClocks();
17898 if (CheckFlags()) return;
17900 if (!appData.clockMode) return;
17901 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17903 GetTimeMark(&tickStartTM);
17904 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17905 whiteTimeRemaining : blackTimeRemaining);
17907 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17908 whiteNPS = blackNPS = -1;
17909 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17910 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17911 whiteNPS = first.nps;
17912 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17913 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17914 blackNPS = first.nps;
17915 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17916 whiteNPS = second.nps;
17917 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17918 blackNPS = second.nps;
17919 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17921 StartClockTimer(intendedTickLength);
17925 TimeString (long ms)
17927 long second, minute, hour, day;
17929 static char buf[32];
17931 if (ms > 0 && ms <= 9900) {
17932 /* convert milliseconds to tenths, rounding up */
17933 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17935 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17939 /* convert milliseconds to seconds, rounding up */
17940 /* use floating point to avoid strangeness of integer division
17941 with negative dividends on many machines */
17942 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17949 day = second / (60 * 60 * 24);
17950 second = second % (60 * 60 * 24);
17951 hour = second / (60 * 60);
17952 second = second % (60 * 60);
17953 minute = second / 60;
17954 second = second % 60;
17957 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17958 sign, day, hour, minute, second);
17960 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17962 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17969 * This is necessary because some C libraries aren't ANSI C compliant yet.
17972 StrStr (char *string, char *match)
17976 length = strlen(match);
17978 for (i = strlen(string) - length; i >= 0; i--, string++)
17979 if (!strncmp(match, string, length))
17986 StrCaseStr (char *string, char *match)
17990 length = strlen(match);
17992 for (i = strlen(string) - length; i >= 0; i--, string++) {
17993 for (j = 0; j < length; j++) {
17994 if (ToLower(match[j]) != ToLower(string[j]))
17997 if (j == length) return string;
18005 StrCaseCmp (char *s1, char *s2)
18010 c1 = ToLower(*s1++);
18011 c2 = ToLower(*s2++);
18012 if (c1 > c2) return 1;
18013 if (c1 < c2) return -1;
18014 if (c1 == NULLCHAR) return 0;
18022 return isupper(c) ? tolower(c) : c;
18029 return islower(c) ? toupper(c) : c;
18031 #endif /* !_amigados */
18038 if ((ret = (char *) malloc(strlen(s) + 1)))
18040 safeStrCpy(ret, s, strlen(s)+1);
18046 StrSavePtr (char *s, char **savePtr)
18051 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18052 safeStrCpy(*savePtr, s, strlen(s)+1);
18064 clock = time((time_t *)NULL);
18065 tm = localtime(&clock);
18066 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18067 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18068 return StrSave(buf);
18073 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18075 int i, j, fromX, fromY, toX, toY;
18076 int whiteToPlay, haveRights = nrCastlingRights;
18082 whiteToPlay = (gameMode == EditPosition) ?
18083 !blackPlaysFirst : (move % 2 == 0);
18086 /* Piece placement data */
18087 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18088 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18090 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18091 if (boards[move][i][j] == EmptySquare) {
18093 } else { ChessSquare piece = boards[move][i][j];
18094 if (emptycount > 0) {
18095 if(emptycount<10) /* [HGM] can be >= 10 */
18096 *p++ = '0' + emptycount;
18097 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18100 if(PieceToChar(piece) == '+') {
18101 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18103 piece = (ChessSquare)(CHUDEMOTED(piece));
18105 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18106 if(*p = PieceSuffix(piece)) p++;
18108 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18109 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18114 if (emptycount > 0) {
18115 if(emptycount<10) /* [HGM] can be >= 10 */
18116 *p++ = '0' + emptycount;
18117 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18124 /* [HGM] print Crazyhouse or Shogi holdings */
18125 if( gameInfo.holdingsWidth ) {
18126 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18128 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18129 piece = boards[move][i][BOARD_WIDTH-1];
18130 if( piece != EmptySquare )
18131 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18132 *p++ = PieceToChar(piece);
18134 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18135 piece = boards[move][BOARD_HEIGHT-i-1][0];
18136 if( piece != EmptySquare )
18137 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18138 *p++ = PieceToChar(piece);
18141 if( q == p ) *p++ = '-';
18147 *p++ = whiteToPlay ? 'w' : 'b';
18150 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18151 haveRights = 0; q = p;
18152 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18153 piece = boards[move][0][i];
18154 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18155 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18158 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18159 piece = boards[move][BOARD_HEIGHT-1][i];
18160 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18161 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18164 if(p == q) *p++ = '-';
18168 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18169 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18172 int handW=0, handB=0;
18173 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18174 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18175 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18178 if(appData.fischerCastling) {
18179 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18180 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18181 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18183 /* [HGM] write directly from rights */
18184 if(boards[move][CASTLING][2] != NoRights &&
18185 boards[move][CASTLING][0] != NoRights )
18186 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18187 if(boards[move][CASTLING][2] != NoRights &&
18188 boards[move][CASTLING][1] != NoRights )
18189 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18192 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18193 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18195 if(boards[move][CASTLING][5] != NoRights &&
18196 boards[move][CASTLING][3] != NoRights )
18197 *p++ = boards[move][CASTLING][3] + AAA;
18198 if(boards[move][CASTLING][5] != NoRights &&
18199 boards[move][CASTLING][4] != NoRights )
18200 *p++ = boards[move][CASTLING][4] + AAA;
18204 /* [HGM] write true castling rights */
18205 if( nrCastlingRights == 6 ) {
18207 if(boards[move][CASTLING][0] != NoRights &&
18208 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18209 q = (boards[move][CASTLING][1] != NoRights &&
18210 boards[move][CASTLING][2] != NoRights );
18211 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18212 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18213 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18214 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18218 if(boards[move][CASTLING][3] != NoRights &&
18219 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18220 q = (boards[move][CASTLING][4] != NoRights &&
18221 boards[move][CASTLING][5] != NoRights );
18223 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18224 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18225 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18230 if (q == p) *p++ = '-'; /* No castling rights */
18234 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18235 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18236 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18237 /* En passant target square */
18238 if (move > backwardMostMove) {
18239 fromX = moveList[move - 1][0] - AAA;
18240 fromY = moveList[move - 1][1] - ONE;
18241 toX = moveList[move - 1][2] - AAA;
18242 toY = moveList[move - 1][3] - ONE;
18243 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18244 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18245 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18247 /* 2-square pawn move just happened */
18249 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18253 } else if(move == backwardMostMove) {
18254 // [HGM] perhaps we should always do it like this, and forget the above?
18255 if((signed char)boards[move][EP_STATUS] >= 0) {
18256 *p++ = boards[move][EP_STATUS] + AAA;
18257 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18269 { int i = 0, j=move;
18271 /* [HGM] find reversible plies */
18272 if (appData.debugMode) { int k;
18273 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18274 for(k=backwardMostMove; k<=forwardMostMove; k++)
18275 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18279 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18280 if( j == backwardMostMove ) i += initialRulePlies;
18281 sprintf(p, "%d ", i);
18282 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18284 /* Fullmove number */
18285 sprintf(p, "%d", (move / 2) + 1);
18286 } else *--p = NULLCHAR;
18288 return StrSave(buf);
18292 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18294 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18296 int emptycount, virgin[BOARD_FILES];
18297 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18301 /* Piece placement data */
18302 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18305 if (*p == '/' || *p == ' ' || *p == '[' ) {
18307 emptycount = gameInfo.boardWidth - j;
18308 while (emptycount--)
18309 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18310 if (*p == '/') p++;
18311 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18312 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18313 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18315 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18318 #if(BOARD_FILES >= 10)*0
18319 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18320 p++; emptycount=10;
18321 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18322 while (emptycount--)
18323 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18325 } else if (*p == '*') {
18326 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18327 } else if (isdigit(*p)) {
18328 emptycount = *p++ - '0';
18329 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18330 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18331 while (emptycount--)
18332 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18333 } else if (*p == '<') {
18334 if(i == BOARD_HEIGHT-1) shuffle = 1;
18335 else if (i != 0 || !shuffle) return FALSE;
18337 } else if (shuffle && *p == '>') {
18338 p++; // for now ignore closing shuffle range, and assume rank-end
18339 } else if (*p == '?') {
18340 if (j >= gameInfo.boardWidth) return FALSE;
18341 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18342 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18343 } else if (*p == '+' || isalpha(*p)) {
18344 char *q, *s = SUFFIXES;
18345 if (j >= gameInfo.boardWidth) return FALSE;
18348 if(q = strchr(s, p[1])) p++;
18349 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18350 if(piece == EmptySquare) return FALSE; /* unknown piece */
18351 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18352 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18355 if(q = strchr(s, *p)) p++;
18356 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18359 if(piece==EmptySquare) return FALSE; /* unknown piece */
18360 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18361 piece = (ChessSquare) (PROMOTED(piece));
18362 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18365 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18366 if(piece == king) wKingRank = i;
18367 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18373 while (*p == '/' || *p == ' ') p++;
18375 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18377 /* [HGM] by default clear Crazyhouse holdings, if present */
18378 if(gameInfo.holdingsWidth) {
18379 for(i=0; i<BOARD_HEIGHT; i++) {
18380 board[i][0] = EmptySquare; /* black holdings */
18381 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18382 board[i][1] = (ChessSquare) 0; /* black counts */
18383 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18387 /* [HGM] look for Crazyhouse holdings here */
18388 while(*p==' ') p++;
18389 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18390 int swap=0, wcnt=0, bcnt=0;
18392 if(*p == '<') swap++, p++;
18393 if(*p == '-' ) p++; /* empty holdings */ else {
18394 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18395 /* if we would allow FEN reading to set board size, we would */
18396 /* have to add holdings and shift the board read so far here */
18397 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18399 if((int) piece >= (int) BlackPawn ) {
18400 i = (int)piece - (int)BlackPawn;
18401 i = PieceToNumber((ChessSquare)i);
18402 if( i >= gameInfo.holdingsSize ) return FALSE;
18403 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18404 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18407 i = (int)piece - (int)WhitePawn;
18408 i = PieceToNumber((ChessSquare)i);
18409 if( i >= gameInfo.holdingsSize ) return FALSE;
18410 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18411 board[i][BOARD_WIDTH-2]++; /* black holdings */
18415 if(subst) { // substitute back-rank question marks by holdings pieces
18416 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18417 int k, m, n = bcnt + 1;
18418 if(board[0][j] == ClearBoard) {
18419 if(!wcnt) return FALSE;
18421 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18422 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18423 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18427 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18428 if(!bcnt) return FALSE;
18429 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18430 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18431 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18432 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18443 if(subst) return FALSE; // substitution requested, but no holdings
18445 while(*p == ' ') p++;
18449 if(appData.colorNickNames) {
18450 if( c == appData.colorNickNames[0] ) c = 'w'; else
18451 if( c == appData.colorNickNames[1] ) c = 'b';
18455 *blackPlaysFirst = FALSE;
18458 *blackPlaysFirst = TRUE;
18464 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18465 /* return the extra info in global variiables */
18467 while(*p==' ') p++;
18469 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18470 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18471 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18474 /* set defaults in case FEN is incomplete */
18475 board[EP_STATUS] = EP_UNKNOWN;
18476 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18477 for(i=0; i<nrCastlingRights; i++ ) {
18478 board[CASTLING][i] =
18479 appData.fischerCastling ? NoRights : initialRights[i];
18480 } /* assume possible unless obviously impossible */
18481 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18482 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18483 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18484 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18485 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18486 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18487 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18488 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18491 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18494 while(isalpha(*p)) {
18495 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18496 if(islower(*p)) b |= 1 << (*p++ - 'a');
18500 board[TOUCHED_W] = ~w;
18501 board[TOUCHED_B] = ~b;
18502 while(*p == ' ') p++;
18506 if(nrCastlingRights) {
18508 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18509 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18510 /* castling indicator present, so default becomes no castlings */
18511 for(i=0; i<nrCastlingRights; i++ ) {
18512 board[CASTLING][i] = NoRights;
18515 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18516 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18517 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18518 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18519 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18521 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18522 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18523 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18525 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18526 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18527 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18528 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18529 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18530 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18533 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18534 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18535 board[CASTLING][2] = whiteKingFile;
18536 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18537 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18538 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18541 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18542 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18543 board[CASTLING][2] = whiteKingFile;
18544 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18545 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18546 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18549 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18550 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18551 board[CASTLING][5] = blackKingFile;
18552 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18553 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18554 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18557 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18558 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18559 board[CASTLING][5] = blackKingFile;
18560 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18561 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18562 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18565 default: /* FRC castlings */
18566 if(c >= 'a') { /* black rights */
18567 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18568 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18569 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18570 if(i == BOARD_RGHT) break;
18571 board[CASTLING][5] = i;
18573 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18574 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18576 board[CASTLING][3] = c;
18578 board[CASTLING][4] = c;
18579 } else { /* white rights */
18580 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18581 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18582 if(board[0][i] == WhiteKing) break;
18583 if(i == BOARD_RGHT) break;
18584 board[CASTLING][2] = i;
18585 c -= AAA - 'a' + 'A';
18586 if(board[0][c] >= WhiteKing) break;
18588 board[CASTLING][0] = c;
18590 board[CASTLING][1] = c;
18594 for(i=0; i<nrCastlingRights; i++)
18595 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18596 if(gameInfo.variant == VariantSChess)
18597 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18598 if(fischer && shuffle) appData.fischerCastling = TRUE;
18599 if (appData.debugMode) {
18600 fprintf(debugFP, "FEN castling rights:");
18601 for(i=0; i<nrCastlingRights; i++)
18602 fprintf(debugFP, " %d", board[CASTLING][i]);
18603 fprintf(debugFP, "\n");
18606 while(*p==' ') p++;
18609 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18611 /* read e.p. field in games that know e.p. capture */
18612 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18613 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18614 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18616 p++; board[EP_STATUS] = EP_NONE;
18618 char c = *p++ - AAA;
18620 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18621 if(*p >= '0' && *p <='9') p++;
18622 board[EP_STATUS] = c;
18627 if(sscanf(p, "%d", &i) == 1) {
18628 FENrulePlies = i; /* 50-move ply counter */
18629 /* (The move number is still ignored) */
18636 EditPositionPasteFEN (char *fen)
18639 Board initial_position;
18641 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18642 DisplayError(_("Bad FEN position in clipboard"), 0);
18645 int savedBlackPlaysFirst = blackPlaysFirst;
18646 EditPositionEvent();
18647 blackPlaysFirst = savedBlackPlaysFirst;
18648 CopyBoard(boards[0], initial_position);
18649 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18650 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18651 DisplayBothClocks();
18652 DrawPosition(FALSE, boards[currentMove]);
18657 static char cseq[12] = "\\ ";
18660 set_cont_sequence (char *new_seq)
18665 // handle bad attempts to set the sequence
18667 return 0; // acceptable error - no debug
18669 len = strlen(new_seq);
18670 ret = (len > 0) && (len < sizeof(cseq));
18672 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18673 else if (appData.debugMode)
18674 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18679 reformat a source message so words don't cross the width boundary. internal
18680 newlines are not removed. returns the wrapped size (no null character unless
18681 included in source message). If dest is NULL, only calculate the size required
18682 for the dest buffer. lp argument indicats line position upon entry, and it's
18683 passed back upon exit.
18686 wrap (char *dest, char *src, int count, int width, int *lp)
18688 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18690 cseq_len = strlen(cseq);
18691 old_line = line = *lp;
18692 ansi = len = clen = 0;
18694 for (i=0; i < count; i++)
18696 if (src[i] == '\033')
18699 // if we hit the width, back up
18700 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18702 // store i & len in case the word is too long
18703 old_i = i, old_len = len;
18705 // find the end of the last word
18706 while (i && src[i] != ' ' && src[i] != '\n')
18712 // word too long? restore i & len before splitting it
18713 if ((old_i-i+clen) >= width)
18720 if (i && src[i-1] == ' ')
18723 if (src[i] != ' ' && src[i] != '\n')
18730 // now append the newline and continuation sequence
18735 strncpy(dest+len, cseq, cseq_len);
18743 dest[len] = src[i];
18747 if (src[i] == '\n')
18752 if (dest && appData.debugMode)
18754 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18755 count, width, line, len, *lp);
18756 show_bytes(debugFP, src, count);
18757 fprintf(debugFP, "\ndest: ");
18758 show_bytes(debugFP, dest, len);
18759 fprintf(debugFP, "\n");
18761 *lp = dest ? line : old_line;
18766 // [HGM] vari: routines for shelving variations
18767 Boolean modeRestore = FALSE;
18770 PushInner (int firstMove, int lastMove)
18772 int i, j, nrMoves = lastMove - firstMove;
18774 // push current tail of game on stack
18775 savedResult[storedGames] = gameInfo.result;
18776 savedDetails[storedGames] = gameInfo.resultDetails;
18777 gameInfo.resultDetails = NULL;
18778 savedFirst[storedGames] = firstMove;
18779 savedLast [storedGames] = lastMove;
18780 savedFramePtr[storedGames] = framePtr;
18781 framePtr -= nrMoves; // reserve space for the boards
18782 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18783 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18784 for(j=0; j<MOVE_LEN; j++)
18785 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18786 for(j=0; j<2*MOVE_LEN; j++)
18787 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18788 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18789 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18790 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18791 pvInfoList[firstMove+i-1].depth = 0;
18792 commentList[framePtr+i] = commentList[firstMove+i];
18793 commentList[firstMove+i] = NULL;
18797 forwardMostMove = firstMove; // truncate game so we can start variation
18801 PushTail (int firstMove, int lastMove)
18803 if(appData.icsActive) { // only in local mode
18804 forwardMostMove = currentMove; // mimic old ICS behavior
18807 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18809 PushInner(firstMove, lastMove);
18810 if(storedGames == 1) GreyRevert(FALSE);
18811 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18815 PopInner (Boolean annotate)
18818 char buf[8000], moveBuf[20];
18820 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18821 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18822 nrMoves = savedLast[storedGames] - currentMove;
18825 if(!WhiteOnMove(currentMove))
18826 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18827 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18828 for(i=currentMove; i<forwardMostMove; i++) {
18830 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18831 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18832 strcat(buf, moveBuf);
18833 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18834 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18838 for(i=1; i<=nrMoves; i++) { // copy last variation back
18839 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18840 for(j=0; j<MOVE_LEN; j++)
18841 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18842 for(j=0; j<2*MOVE_LEN; j++)
18843 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18844 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18845 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18846 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18847 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18848 commentList[currentMove+i] = commentList[framePtr+i];
18849 commentList[framePtr+i] = NULL;
18851 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18852 framePtr = savedFramePtr[storedGames];
18853 gameInfo.result = savedResult[storedGames];
18854 if(gameInfo.resultDetails != NULL) {
18855 free(gameInfo.resultDetails);
18857 gameInfo.resultDetails = savedDetails[storedGames];
18858 forwardMostMove = currentMove + nrMoves;
18862 PopTail (Boolean annotate)
18864 if(appData.icsActive) return FALSE; // only in local mode
18865 if(!storedGames) return FALSE; // sanity
18866 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18868 PopInner(annotate);
18869 if(currentMove < forwardMostMove) ForwardEvent(); else
18870 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18872 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18878 { // remove all shelved variations
18880 for(i=0; i<storedGames; i++) {
18881 if(savedDetails[i])
18882 free(savedDetails[i]);
18883 savedDetails[i] = NULL;
18885 for(i=framePtr; i<MAX_MOVES; i++) {
18886 if(commentList[i]) free(commentList[i]);
18887 commentList[i] = NULL;
18889 framePtr = MAX_MOVES-1;
18894 LoadVariation (int index, char *text)
18895 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18896 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18897 int level = 0, move;
18899 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18900 // first find outermost bracketing variation
18901 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18902 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18903 if(*p == '{') wait = '}'; else
18904 if(*p == '[') wait = ']'; else
18905 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18906 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18908 if(*p == wait) wait = NULLCHAR; // closing ]} found
18911 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18912 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18913 end[1] = NULLCHAR; // clip off comment beyond variation
18914 ToNrEvent(currentMove-1);
18915 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18916 // kludge: use ParsePV() to append variation to game
18917 move = currentMove;
18918 ParsePV(start, TRUE, TRUE);
18919 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18920 ClearPremoveHighlights();
18922 ToNrEvent(currentMove+1);
18928 char *p, *q, buf[MSG_SIZ];
18929 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18930 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18931 ParseArgsFromString(buf);
18932 ActivateTheme(TRUE); // also redo colors
18936 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18939 q = appData.themeNames;
18940 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18941 if(appData.useBitmaps) {
18942 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18943 appData.liteBackTextureFile, appData.darkBackTextureFile,
18944 appData.liteBackTextureMode,
18945 appData.darkBackTextureMode );
18947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18948 Col2Text(2), // lightSquareColor
18949 Col2Text(3) ); // darkSquareColor
18951 if(appData.useBorder) {
18952 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18955 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18957 if(appData.useFont) {
18958 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18959 appData.renderPiecesWithFont,
18960 appData.fontToPieceTable,
18961 Col2Text(9), // appData.fontBackColorWhite
18962 Col2Text(10) ); // appData.fontForeColorBlack
18964 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18965 appData.pieceDirectory);
18966 if(!appData.pieceDirectory[0])
18967 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18968 Col2Text(0), // whitePieceColor
18969 Col2Text(1) ); // blackPieceColor
18971 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18972 Col2Text(4), // highlightSquareColor
18973 Col2Text(5) ); // premoveHighlightColor
18974 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18975 if(insert != q) insert[-1] = NULLCHAR;
18976 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18979 ActivateTheme(FALSE);