2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
63 # define EGBB_NAME "egbbdll64.dll"
65 # define EGBB_NAME "egbbdll.dll"
70 # include <sys/file.h>
75 # define EGBB_NAME "egbbso64.so"
77 # define EGBB_NAME "egbbso.so"
79 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
81 # define HMODULE void *
82 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
83 # define GetProcAddress dlsym
93 #include <sys/types.h>
102 #else /* not STDC_HEADERS */
105 # else /* not HAVE_STRING_H */
106 # include <strings.h>
107 # endif /* not HAVE_STRING_H */
108 #endif /* not STDC_HEADERS */
111 # include <sys/fcntl.h>
112 #else /* not HAVE_SYS_FCNTL_H */
115 # endif /* HAVE_FCNTL_H */
116 #endif /* not HAVE_SYS_FCNTL_H */
118 #if TIME_WITH_SYS_TIME
119 # include <sys/time.h>
123 # include <sys/time.h>
129 #if defined(_amigados) && !defined(__GNUC__)
134 extern int gettimeofday(struct timeval *, struct timezone *);
142 #include "frontend.h"
149 #include "backendz.h"
150 #include "evalgraph.h"
151 #include "engineoutput.h"
155 # define _(s) gettext (s)
156 # define N_(s) gettext_noop (s)
157 # define T_(s) gettext(s)
170 int establish P((void));
171 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
172 char *buf, int count, int error));
173 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
174 char *buf, int count, int error));
175 void SendToICS P((char *s));
176 void SendToICSDelayed P((char *s, long msdelay));
177 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
178 void HandleMachineMove P((char *message, ChessProgramState *cps));
179 int AutoPlayOneMove P((void));
180 int LoadGameOneMove P((ChessMove readAhead));
181 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
182 int LoadPositionFromFile P((char *filename, int n, char *title));
183 int SavePositionToFile P((char *filename));
184 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
185 void ShowMove P((int fromX, int fromY, int toX, int toY));
186 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
187 /*char*/int promoChar));
188 void BackwardInner P((int target));
189 void ForwardInner P((int target));
190 int Adjudicate P((ChessProgramState *cps));
191 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
192 void EditPositionDone P((Boolean fakeRights));
193 void PrintOpponents P((FILE *fp));
194 void PrintPosition P((FILE *fp, int move));
195 void StartChessProgram P((ChessProgramState *cps));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
447 ChessProgramState first, second, pairing;
449 /* premove variables */
452 int premoveFromX = 0;
453 int premoveFromY = 0;
454 int premovePromoChar = 0;
456 Boolean alarmSounded;
457 /* end premove variables */
459 char *ics_prefix = "$";
460 enum ICS_TYPE ics_type = ICS_GENERIC;
462 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
463 int pauseExamForwardMostMove = 0;
464 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
465 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
466 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
467 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
468 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
469 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
470 int whiteFlag = FALSE, blackFlag = FALSE;
471 int userOfferedDraw = FALSE;
472 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
473 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
474 int cmailMoveType[CMAIL_MAX_GAMES];
475 long ics_clock_paused = 0;
476 ProcRef icsPR = NoProc, cmailPR = NoProc;
477 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
478 GameMode gameMode = BeginningOfGame;
479 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
480 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
481 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
482 int hiddenThinkOutputState = 0; /* [AS] */
483 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
484 int adjudicateLossPlies = 6;
485 char white_holding[64], black_holding[64];
486 TimeMark lastNodeCountTime;
487 long lastNodeCount=0;
488 int shiftKey, controlKey; // [HGM] set by mouse handler
490 int have_sent_ICS_logon = 0;
492 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
493 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
494 Boolean adjustedClock;
495 long timeControl_2; /* [AS] Allow separate time controls */
496 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
497 long timeRemaining[2][MAX_MOVES];
498 int matchGame = 0, nextGame = 0, roundNr = 0;
499 Boolean waitingForGame = FALSE, startingEngine = FALSE;
500 TimeMark programStartTime, pauseStart;
501 char ics_handle[MSG_SIZ];
502 int have_set_title = 0;
504 /* animateTraining preserves the state of appData.animate
505 * when Training mode is activated. This allows the
506 * response to be animated when appData.animate == TRUE and
507 * appData.animateDragging == TRUE.
509 Boolean animateTraining;
515 Board boards[MAX_MOVES];
516 /* [HGM] Following 7 needed for accurate legality tests: */
517 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
518 signed char initialRights[BOARD_FILES];
519 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
520 int initialRulePlies, FENrulePlies;
521 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
523 Boolean shuffleOpenings;
524 int mute; // mute all sounds
526 // [HGM] vari: next 12 to save and restore variations
527 #define MAX_VARIATIONS 10
528 int framePtr = MAX_MOVES-1; // points to free stack entry
530 int savedFirst[MAX_VARIATIONS];
531 int savedLast[MAX_VARIATIONS];
532 int savedFramePtr[MAX_VARIATIONS];
533 char *savedDetails[MAX_VARIATIONS];
534 ChessMove savedResult[MAX_VARIATIONS];
536 void PushTail P((int firstMove, int lastMove));
537 Boolean PopTail P((Boolean annotate));
538 void PushInner P((int firstMove, int lastMove));
539 void PopInner P((Boolean annotate));
540 void CleanupTail P((void));
542 ChessSquare FIDEArray[2][BOARD_FILES] = {
543 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
544 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
545 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
546 BlackKing, BlackBishop, BlackKnight, BlackRook }
549 ChessSquare twoKingsArray[2][BOARD_FILES] = {
550 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
551 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
553 BlackKing, BlackKing, BlackKnight, BlackRook }
556 ChessSquare KnightmateArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
558 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
559 { BlackRook, BlackMan, BlackBishop, BlackQueen,
560 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
563 ChessSquare SpartanArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
565 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
566 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
567 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
570 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
571 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
573 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
574 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
577 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
578 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
579 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
580 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
581 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
584 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
585 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
586 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
587 { BlackRook, BlackKnight, BlackMan, BlackFerz,
588 BlackKing, BlackMan, BlackKnight, BlackRook }
591 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
592 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
593 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
594 { BlackRook, BlackKnight, BlackMan, BlackFerz,
595 BlackKing, BlackMan, BlackKnight, BlackRook }
598 ChessSquare lionArray[2][BOARD_FILES] = {
599 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
600 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
601 { BlackRook, BlackLion, BlackBishop, BlackQueen,
602 BlackKing, BlackBishop, BlackKnight, BlackRook }
606 #if (BOARD_FILES>=10)
607 ChessSquare ShogiArray[2][BOARD_FILES] = {
608 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
609 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
610 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
611 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
614 ChessSquare XiangqiArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
616 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
618 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
621 ChessSquare CapablancaArray[2][BOARD_FILES] = {
622 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
623 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
624 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
625 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
628 ChessSquare GreatArray[2][BOARD_FILES] = {
629 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
630 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
631 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
632 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
635 ChessSquare JanusArray[2][BOARD_FILES] = {
636 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
637 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
638 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
639 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
642 ChessSquare GrandArray[2][BOARD_FILES] = {
643 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
644 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
645 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
646 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
649 ChessSquare ChuChessArray[2][BOARD_FILES] = {
650 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
651 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
652 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
653 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
657 ChessSquare GothicArray[2][BOARD_FILES] = {
658 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
659 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
660 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
661 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
664 #define GothicArray CapablancaArray
668 ChessSquare FalconArray[2][BOARD_FILES] = {
669 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
670 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
671 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
672 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
675 #define FalconArray CapablancaArray
678 #else // !(BOARD_FILES>=10)
679 #define XiangqiPosition FIDEArray
680 #define CapablancaArray FIDEArray
681 #define GothicArray FIDEArray
682 #define GreatArray FIDEArray
683 #endif // !(BOARD_FILES>=10)
685 #if (BOARD_FILES>=12)
686 ChessSquare CourierArray[2][BOARD_FILES] = {
687 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
688 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
689 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
690 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
692 ChessSquare ChuArray[6][BOARD_FILES] = {
693 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
694 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
695 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
696 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
697 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
698 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
699 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
700 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
701 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
702 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
703 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
704 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
706 #else // !(BOARD_FILES>=12)
707 #define CourierArray CapablancaArray
708 #define ChuArray CapablancaArray
709 #endif // !(BOARD_FILES>=12)
712 Board initialPosition;
715 /* Convert str to a rating. Checks for special cases of "----",
717 "++++", etc. Also strips ()'s */
719 string_to_rating (char *str)
721 while(*str && !isdigit(*str)) ++str;
723 return 0; /* One of the special "no rating" cases */
731 /* Init programStats */
732 programStats.movelist[0] = 0;
733 programStats.depth = 0;
734 programStats.nr_moves = 0;
735 programStats.moves_left = 0;
736 programStats.nodes = 0;
737 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
738 programStats.score = 0;
739 programStats.got_only_move = 0;
740 programStats.got_fail = 0;
741 programStats.line_is_book = 0;
746 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
747 if (appData.firstPlaysBlack) {
748 first.twoMachinesColor = "black\n";
749 second.twoMachinesColor = "white\n";
751 first.twoMachinesColor = "white\n";
752 second.twoMachinesColor = "black\n";
755 first.other = &second;
756 second.other = &first;
759 if(appData.timeOddsMode) {
760 norm = appData.timeOdds[0];
761 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
763 first.timeOdds = appData.timeOdds[0]/norm;
764 second.timeOdds = appData.timeOdds[1]/norm;
767 if(programVersion) free(programVersion);
768 if (appData.noChessProgram) {
769 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
770 sprintf(programVersion, "%s", PACKAGE_STRING);
772 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
773 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
774 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
779 UnloadEngine (ChessProgramState *cps)
781 /* Kill off first chess program */
782 if (cps->isr != NULL)
783 RemoveInputSource(cps->isr);
786 if (cps->pr != NoProc) {
788 DoSleep( appData.delayBeforeQuit );
789 SendToProgram("quit\n", cps);
790 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
793 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
797 ClearOptions (ChessProgramState *cps)
800 cps->nrOptions = cps->comboCnt = 0;
801 for(i=0; i<MAX_OPTIONS; i++) {
802 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
803 cps->option[i].textValue = 0;
807 char *engineNames[] = {
808 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
809 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
811 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
812 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
817 InitEngine (ChessProgramState *cps, int n)
818 { // [HGM] all engine initialiation put in a function that does one engine
822 cps->which = engineNames[n];
823 cps->maybeThinking = FALSE;
827 cps->sendDrawOffers = 1;
829 cps->program = appData.chessProgram[n];
830 cps->host = appData.host[n];
831 cps->dir = appData.directory[n];
832 cps->initString = appData.engInitString[n];
833 cps->computerString = appData.computerString[n];
834 cps->useSigint = TRUE;
835 cps->useSigterm = TRUE;
836 cps->reuse = appData.reuse[n];
837 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
838 cps->useSetboard = FALSE;
840 cps->usePing = FALSE;
843 cps->usePlayother = FALSE;
844 cps->useColors = TRUE;
845 cps->useUsermove = FALSE;
846 cps->sendICS = FALSE;
847 cps->sendName = appData.icsActive;
848 cps->sdKludge = FALSE;
849 cps->stKludge = FALSE;
850 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
851 TidyProgramName(cps->program, cps->host, cps->tidy);
853 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
854 cps->analysisSupport = 2; /* detect */
855 cps->analyzing = FALSE;
856 cps->initDone = FALSE;
858 cps->pseudo = appData.pseudo[n];
860 /* New features added by Tord: */
861 cps->useFEN960 = FALSE;
862 cps->useOOCastle = TRUE;
863 /* End of new features added by Tord. */
864 cps->fenOverride = appData.fenOverride[n];
866 /* [HGM] time odds: set factor for each machine */
867 cps->timeOdds = appData.timeOdds[n];
869 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
870 cps->accumulateTC = appData.accumulateTC[n];
871 cps->maxNrOfSessions = 1;
876 cps->drawDepth = appData.drawDepth[n];
877 cps->supportsNPS = UNKNOWN;
878 cps->memSize = FALSE;
879 cps->maxCores = FALSE;
880 ASSIGN(cps->egtFormats, "");
883 cps->optionSettings = appData.engOptions[n];
885 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
886 cps->isUCI = appData.isUCI[n]; /* [AS] */
887 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
890 if (appData.protocolVersion[n] > PROTOVER
891 || appData.protocolVersion[n] < 1)
896 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
897 appData.protocolVersion[n]);
898 if( (len >= MSG_SIZ) && appData.debugMode )
899 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
901 DisplayFatalError(buf, 0, 2);
905 cps->protocolVersion = appData.protocolVersion[n];
908 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
909 ParseFeatures(appData.featureDefaults, cps);
912 ChessProgramState *savCps;
920 if(WaitForEngine(savCps, LoadEngine)) return;
921 CommonEngineInit(); // recalculate time odds
922 if(gameInfo.variant != StringToVariant(appData.variant)) {
923 // we changed variant when loading the engine; this forces us to reset
924 Reset(TRUE, savCps != &first);
925 oldMode = BeginningOfGame; // to prevent restoring old mode
927 InitChessProgram(savCps, FALSE);
928 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
929 DisplayMessage("", "");
930 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
931 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
934 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
938 ReplaceEngine (ChessProgramState *cps, int n)
940 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
942 if(oldMode != BeginningOfGame) EditGameEvent();
945 appData.noChessProgram = FALSE;
946 appData.clockMode = TRUE;
949 if(n) return; // only startup first engine immediately; second can wait
950 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
954 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
955 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
957 static char resetOptions[] =
958 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
959 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
960 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
961 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
964 FloatToFront(char **list, char *engineLine)
966 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
968 if(appData.recentEngines <= 0) return;
969 TidyProgramName(engineLine, "localhost", tidy+1);
970 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
971 strncpy(buf+1, *list, MSG_SIZ-50);
972 if(p = strstr(buf, tidy)) { // tidy name appears in list
973 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
974 while(*p++ = *++q); // squeeze out
976 strcat(tidy, buf+1); // put list behind tidy name
977 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
978 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
979 ASSIGN(*list, tidy+1);
982 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
985 Load (ChessProgramState *cps, int i)
987 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
988 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
989 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
990 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
991 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
992 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
993 appData.firstProtocolVersion = PROTOVER;
994 ParseArgsFromString(buf);
996 ReplaceEngine(cps, i);
997 FloatToFront(&appData.recentEngineList, engineLine);
1001 while(q = strchr(p, SLASH)) p = q+1;
1002 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1003 if(engineDir[0] != NULLCHAR) {
1004 ASSIGN(appData.directory[i], engineDir); p = engineName;
1005 } else if(p != engineName) { // derive directory from engine path, when not given
1007 ASSIGN(appData.directory[i], engineName);
1009 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1010 } else { ASSIGN(appData.directory[i], "."); }
1011 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1013 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1014 snprintf(command, MSG_SIZ, "%s %s", p, params);
1017 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1018 ASSIGN(appData.chessProgram[i], p);
1019 appData.isUCI[i] = isUCI;
1020 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1021 appData.hasOwnBookUCI[i] = hasBook;
1022 if(!nickName[0]) useNick = FALSE;
1023 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1027 q = firstChessProgramNames;
1028 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1029 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1030 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1031 quote, p, quote, appData.directory[i],
1032 useNick ? " -fn \"" : "",
1033 useNick ? nickName : "",
1034 useNick ? "\"" : "",
1035 v1 ? " -firstProtocolVersion 1" : "",
1036 hasBook ? "" : " -fNoOwnBookUCI",
1037 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1038 storeVariant ? " -variant " : "",
1039 storeVariant ? VariantName(gameInfo.variant) : "");
1040 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1041 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1042 if(insert != q) insert[-1] = NULLCHAR;
1043 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1045 FloatToFront(&appData.recentEngineList, buf);
1047 ReplaceEngine(cps, i);
1053 int matched, min, sec;
1055 * Parse timeControl resource
1057 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1058 appData.movesPerSession)) {
1060 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1061 DisplayFatalError(buf, 0, 2);
1065 * Parse searchTime resource
1067 if (*appData.searchTime != NULLCHAR) {
1068 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1070 searchTime = min * 60;
1071 } else if (matched == 2) {
1072 searchTime = min * 60 + sec;
1075 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1076 DisplayFatalError(buf, 0, 2);
1085 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1086 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1088 GetTimeMark(&programStartTime);
1089 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1090 appData.seedBase = random() + (random()<<15);
1091 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1093 ClearProgramStats();
1094 programStats.ok_to_send = 1;
1095 programStats.seen_stat = 0;
1098 * Initialize game list
1104 * Internet chess server status
1106 if (appData.icsActive) {
1107 appData.matchMode = FALSE;
1108 appData.matchGames = 0;
1110 appData.noChessProgram = !appData.zippyPlay;
1112 appData.zippyPlay = FALSE;
1113 appData.zippyTalk = FALSE;
1114 appData.noChessProgram = TRUE;
1116 if (*appData.icsHelper != NULLCHAR) {
1117 appData.useTelnet = TRUE;
1118 appData.telnetProgram = appData.icsHelper;
1121 appData.zippyTalk = appData.zippyPlay = FALSE;
1124 /* [AS] Initialize pv info list [HGM] and game state */
1128 for( i=0; i<=framePtr; i++ ) {
1129 pvInfoList[i].depth = -1;
1130 boards[i][EP_STATUS] = EP_NONE;
1131 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1137 /* [AS] Adjudication threshold */
1138 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1140 InitEngine(&first, 0);
1141 InitEngine(&second, 1);
1144 pairing.which = "pairing"; // pairing engine
1145 pairing.pr = NoProc;
1147 pairing.program = appData.pairingEngine;
1148 pairing.host = "localhost";
1151 if (appData.icsActive) {
1152 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1153 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1154 appData.clockMode = FALSE;
1155 first.sendTime = second.sendTime = 0;
1159 /* Override some settings from environment variables, for backward
1160 compatibility. Unfortunately it's not feasible to have the env
1161 vars just set defaults, at least in xboard. Ugh.
1163 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1168 if (!appData.icsActive) {
1172 /* Check for variants that are supported only in ICS mode,
1173 or not at all. Some that are accepted here nevertheless
1174 have bugs; see comments below.
1176 VariantClass variant = StringToVariant(appData.variant);
1178 case VariantBughouse: /* need four players and two boards */
1179 case VariantKriegspiel: /* need to hide pieces and move details */
1180 /* case VariantFischeRandom: (Fabien: moved below) */
1181 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1182 if( (len >= MSG_SIZ) && appData.debugMode )
1183 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1185 DisplayFatalError(buf, 0, 2);
1188 case VariantUnknown:
1189 case VariantLoadable:
1199 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1200 if( (len >= MSG_SIZ) && appData.debugMode )
1201 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1203 DisplayFatalError(buf, 0, 2);
1206 case VariantNormal: /* definitely works! */
1207 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1208 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1211 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1212 case VariantFairy: /* [HGM] TestLegality definitely off! */
1213 case VariantGothic: /* [HGM] should work */
1214 case VariantCapablanca: /* [HGM] should work */
1215 case VariantCourier: /* [HGM] initial forced moves not implemented */
1216 case VariantShogi: /* [HGM] could still mate with pawn drop */
1217 case VariantChu: /* [HGM] experimental */
1218 case VariantKnightmate: /* [HGM] should work */
1219 case VariantCylinder: /* [HGM] untested */
1220 case VariantFalcon: /* [HGM] untested */
1221 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1222 offboard interposition not understood */
1223 case VariantWildCastle: /* pieces not automatically shuffled */
1224 case VariantNoCastle: /* pieces not automatically shuffled */
1225 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1226 case VariantLosers: /* should work except for win condition,
1227 and doesn't know captures are mandatory */
1228 case VariantSuicide: /* should work except for win condition,
1229 and doesn't know captures are mandatory */
1230 case VariantGiveaway: /* should work except for win condition,
1231 and doesn't know captures are mandatory */
1232 case VariantTwoKings: /* should work */
1233 case VariantAtomic: /* should work except for win condition */
1234 case Variant3Check: /* should work except for win condition */
1235 case VariantShatranj: /* should work except for all win conditions */
1236 case VariantMakruk: /* should work except for draw countdown */
1237 case VariantASEAN : /* should work except for draw countdown */
1238 case VariantBerolina: /* might work if TestLegality is off */
1239 case VariantCapaRandom: /* should work */
1240 case VariantJanus: /* should work */
1241 case VariantSuper: /* experimental */
1242 case VariantGreat: /* experimental, requires legality testing to be off */
1243 case VariantSChess: /* S-Chess, should work */
1244 case VariantGrand: /* should work */
1245 case VariantSpartan: /* should work */
1246 case VariantLion: /* should work */
1247 case VariantChuChess: /* should work */
1255 NextIntegerFromString (char ** str, long * value)
1260 while( *s == ' ' || *s == '\t' ) {
1266 if( *s >= '0' && *s <= '9' ) {
1267 while( *s >= '0' && *s <= '9' ) {
1268 *value = *value * 10 + (*s - '0');
1281 NextTimeControlFromString (char ** str, long * value)
1284 int result = NextIntegerFromString( str, &temp );
1287 *value = temp * 60; /* Minutes */
1288 if( **str == ':' ) {
1290 result = NextIntegerFromString( str, &temp );
1291 *value += temp; /* Seconds */
1299 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1300 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1301 int result = -1, type = 0; long temp, temp2;
1303 if(**str != ':') return -1; // old params remain in force!
1305 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1306 if( NextIntegerFromString( str, &temp ) ) return -1;
1307 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1310 /* time only: incremental or sudden-death time control */
1311 if(**str == '+') { /* increment follows; read it */
1313 if(**str == '!') type = *(*str)++; // Bronstein TC
1314 if(result = NextIntegerFromString( str, &temp2)) return -1;
1315 *inc = temp2 * 1000;
1316 if(**str == '.') { // read fraction of increment
1317 char *start = ++(*str);
1318 if(result = NextIntegerFromString( str, &temp2)) return -1;
1320 while(start++ < *str) temp2 /= 10;
1324 *moves = 0; *tc = temp * 1000; *incType = type;
1328 (*str)++; /* classical time control */
1329 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1341 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1342 { /* [HGM] get time to add from the multi-session time-control string */
1343 int incType, moves=1; /* kludge to force reading of first session */
1344 long time, increment;
1347 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1349 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1350 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1351 if(movenr == -1) return time; /* last move before new session */
1352 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1353 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1354 if(!moves) return increment; /* current session is incremental */
1355 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1356 } while(movenr >= -1); /* try again for next session */
1358 return 0; // no new time quota on this move
1362 ParseTimeControl (char *tc, float ti, int mps)
1366 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1369 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1370 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1371 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1375 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1377 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1380 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1382 snprintf(buf, MSG_SIZ, ":%s", mytc);
1384 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1386 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1391 /* Parse second time control */
1394 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1402 timeControl_2 = tc2 * 1000;
1412 timeControl = tc1 * 1000;
1415 timeIncrement = ti * 1000; /* convert to ms */
1416 movesPerSession = 0;
1419 movesPerSession = mps;
1427 if (appData.debugMode) {
1428 # ifdef __GIT_VERSION
1429 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1431 fprintf(debugFP, "Version: %s\n", programVersion);
1434 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1436 set_cont_sequence(appData.wrapContSeq);
1437 if (appData.matchGames > 0) {
1438 appData.matchMode = TRUE;
1439 } else if (appData.matchMode) {
1440 appData.matchGames = 1;
1442 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1443 appData.matchGames = appData.sameColorGames;
1444 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1445 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1446 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1449 if (appData.noChessProgram || first.protocolVersion == 1) {
1452 /* kludge: allow timeout for initial "feature" commands */
1454 DisplayMessage("", _("Starting chess program"));
1455 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1460 CalculateIndex (int index, int gameNr)
1461 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1463 if(index > 0) return index; // fixed nmber
1464 if(index == 0) return 1;
1465 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1466 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1471 LoadGameOrPosition (int gameNr)
1472 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1473 if (*appData.loadGameFile != NULLCHAR) {
1474 if (!LoadGameFromFile(appData.loadGameFile,
1475 CalculateIndex(appData.loadGameIndex, gameNr),
1476 appData.loadGameFile, FALSE)) {
1477 DisplayFatalError(_("Bad game file"), 0, 1);
1480 } else if (*appData.loadPositionFile != NULLCHAR) {
1481 if (!LoadPositionFromFile(appData.loadPositionFile,
1482 CalculateIndex(appData.loadPositionIndex, gameNr),
1483 appData.loadPositionFile)) {
1484 DisplayFatalError(_("Bad position file"), 0, 1);
1492 ReserveGame (int gameNr, char resChar)
1494 FILE *tf = fopen(appData.tourneyFile, "r+");
1495 char *p, *q, c, buf[MSG_SIZ];
1496 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1497 safeStrCpy(buf, lastMsg, MSG_SIZ);
1498 DisplayMessage(_("Pick new game"), "");
1499 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1500 ParseArgsFromFile(tf);
1501 p = q = appData.results;
1502 if(appData.debugMode) {
1503 char *r = appData.participants;
1504 fprintf(debugFP, "results = '%s'\n", p);
1505 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1506 fprintf(debugFP, "\n");
1508 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1510 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1511 safeStrCpy(q, p, strlen(p) + 2);
1512 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1513 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1514 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1515 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1518 fseek(tf, -(strlen(p)+4), SEEK_END);
1520 if(c != '"') // depending on DOS or Unix line endings we can be one off
1521 fseek(tf, -(strlen(p)+2), SEEK_END);
1522 else fseek(tf, -(strlen(p)+3), SEEK_END);
1523 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1524 DisplayMessage(buf, "");
1525 free(p); appData.results = q;
1526 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1527 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1528 int round = appData.defaultMatchGames * appData.tourneyType;
1529 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1530 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1531 UnloadEngine(&first); // next game belongs to other pairing;
1532 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1534 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1538 MatchEvent (int mode)
1539 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1541 if(matchMode) { // already in match mode: switch it off
1543 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1546 // if(gameMode != BeginningOfGame) {
1547 // DisplayError(_("You can only start a match from the initial position."), 0);
1551 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1552 /* Set up machine vs. machine match */
1554 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1555 if(appData.tourneyFile[0]) {
1557 if(nextGame > appData.matchGames) {
1559 if(strchr(appData.results, '*') == NULL) {
1561 appData.tourneyCycles++;
1562 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1564 NextTourneyGame(-1, &dummy);
1566 if(nextGame <= appData.matchGames) {
1567 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1569 ScheduleDelayedEvent(NextMatchGame, 10000);
1574 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1575 DisplayError(buf, 0);
1576 appData.tourneyFile[0] = 0;
1580 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1581 DisplayFatalError(_("Can't have a match with no chess programs"),
1586 matchGame = roundNr = 1;
1587 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1591 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1594 InitBackEnd3 P((void))
1596 GameMode initialMode;
1600 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1601 !strcmp(appData.variant, "normal") && // no explicit variant request
1602 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1603 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1604 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1605 char c, *q = first.variants, *p = strchr(q, ',');
1606 if(p) *p = NULLCHAR;
1607 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1609 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1610 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1611 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1612 Reset(TRUE, FALSE); // and re-initialize
1617 InitChessProgram(&first, startedFromSetupPosition);
1619 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1620 free(programVersion);
1621 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1622 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1623 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1626 if (appData.icsActive) {
1628 /* [DM] Make a console window if needed [HGM] merged ifs */
1634 if (*appData.icsCommPort != NULLCHAR)
1635 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1636 appData.icsCommPort);
1638 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1639 appData.icsHost, appData.icsPort);
1641 if( (len >= MSG_SIZ) && appData.debugMode )
1642 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1644 DisplayFatalError(buf, err, 1);
1649 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1651 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1652 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1653 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1654 } else if (appData.noChessProgram) {
1660 if (*appData.cmailGameName != NULLCHAR) {
1662 OpenLoopback(&cmailPR);
1664 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1668 DisplayMessage("", "");
1669 if (StrCaseCmp(appData.initialMode, "") == 0) {
1670 initialMode = BeginningOfGame;
1671 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1672 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1673 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1674 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1677 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1678 initialMode = TwoMachinesPlay;
1679 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1680 initialMode = AnalyzeFile;
1681 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1682 initialMode = AnalyzeMode;
1683 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1684 initialMode = MachinePlaysWhite;
1685 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1686 initialMode = MachinePlaysBlack;
1687 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1688 initialMode = EditGame;
1689 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1690 initialMode = EditPosition;
1691 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1692 initialMode = Training;
1694 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1695 if( (len >= MSG_SIZ) && appData.debugMode )
1696 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1698 DisplayFatalError(buf, 0, 2);
1702 if (appData.matchMode) {
1703 if(appData.tourneyFile[0]) { // start tourney from command line
1705 if(f = fopen(appData.tourneyFile, "r")) {
1706 ParseArgsFromFile(f); // make sure tourney parmeters re known
1708 appData.clockMode = TRUE;
1710 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1713 } else if (*appData.cmailGameName != NULLCHAR) {
1714 /* Set up cmail mode */
1715 ReloadCmailMsgEvent(TRUE);
1717 /* Set up other modes */
1718 if (initialMode == AnalyzeFile) {
1719 if (*appData.loadGameFile == NULLCHAR) {
1720 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1724 if (*appData.loadGameFile != NULLCHAR) {
1725 (void) LoadGameFromFile(appData.loadGameFile,
1726 appData.loadGameIndex,
1727 appData.loadGameFile, TRUE);
1728 } else if (*appData.loadPositionFile != NULLCHAR) {
1729 (void) LoadPositionFromFile(appData.loadPositionFile,
1730 appData.loadPositionIndex,
1731 appData.loadPositionFile);
1732 /* [HGM] try to make self-starting even after FEN load */
1733 /* to allow automatic setup of fairy variants with wtm */
1734 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1735 gameMode = BeginningOfGame;
1736 setboardSpoiledMachineBlack = 1;
1738 /* [HGM] loadPos: make that every new game uses the setup */
1739 /* from file as long as we do not switch variant */
1740 if(!blackPlaysFirst) {
1741 startedFromPositionFile = TRUE;
1742 CopyBoard(filePosition, boards[0]);
1743 CopyBoard(initialPosition, boards[0]);
1746 if (initialMode == AnalyzeMode) {
1747 if (appData.noChessProgram) {
1748 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1751 if (appData.icsActive) {
1752 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1756 } else if (initialMode == AnalyzeFile) {
1757 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1758 ShowThinkingEvent();
1760 AnalysisPeriodicEvent(1);
1761 } else if (initialMode == MachinePlaysWhite) {
1762 if (appData.noChessProgram) {
1763 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1767 if (appData.icsActive) {
1768 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1772 MachineWhiteEvent();
1773 } else if (initialMode == MachinePlaysBlack) {
1774 if (appData.noChessProgram) {
1775 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1779 if (appData.icsActive) {
1780 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1784 MachineBlackEvent();
1785 } else if (initialMode == TwoMachinesPlay) {
1786 if (appData.noChessProgram) {
1787 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1791 if (appData.icsActive) {
1792 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1797 } else if (initialMode == EditGame) {
1799 } else if (initialMode == EditPosition) {
1800 EditPositionEvent();
1801 } else if (initialMode == Training) {
1802 if (*appData.loadGameFile == NULLCHAR) {
1803 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1812 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1814 DisplayBook(current+1);
1816 MoveHistorySet( movelist, first, last, current, pvInfoList );
1818 EvalGraphSet( first, last, current, pvInfoList );
1820 MakeEngineOutputTitle();
1824 * Establish will establish a contact to a remote host.port.
1825 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1826 * used to talk to the host.
1827 * Returns 0 if okay, error code if not.
1834 if (*appData.icsCommPort != NULLCHAR) {
1835 /* Talk to the host through a serial comm port */
1836 return OpenCommPort(appData.icsCommPort, &icsPR);
1838 } else if (*appData.gateway != NULLCHAR) {
1839 if (*appData.remoteShell == NULLCHAR) {
1840 /* Use the rcmd protocol to run telnet program on a gateway host */
1841 snprintf(buf, sizeof(buf), "%s %s %s",
1842 appData.telnetProgram, appData.icsHost, appData.icsPort);
1843 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1846 /* Use the rsh program to run telnet program on a gateway host */
1847 if (*appData.remoteUser == NULLCHAR) {
1848 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1849 appData.gateway, appData.telnetProgram,
1850 appData.icsHost, appData.icsPort);
1852 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1853 appData.remoteShell, appData.gateway,
1854 appData.remoteUser, appData.telnetProgram,
1855 appData.icsHost, appData.icsPort);
1857 return StartChildProcess(buf, "", &icsPR);
1860 } else if (appData.useTelnet) {
1861 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1864 /* TCP socket interface differs somewhat between
1865 Unix and NT; handle details in the front end.
1867 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1872 EscapeExpand (char *p, char *q)
1873 { // [HGM] initstring: routine to shape up string arguments
1874 while(*p++ = *q++) if(p[-1] == '\\')
1876 case 'n': p[-1] = '\n'; break;
1877 case 'r': p[-1] = '\r'; break;
1878 case 't': p[-1] = '\t'; break;
1879 case '\\': p[-1] = '\\'; break;
1880 case 0: *p = 0; return;
1881 default: p[-1] = q[-1]; break;
1886 show_bytes (FILE *fp, char *buf, int count)
1889 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1890 fprintf(fp, "\\%03o", *buf & 0xff);
1899 /* Returns an errno value */
1901 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1903 char buf[8192], *p, *q, *buflim;
1904 int left, newcount, outcount;
1906 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1907 *appData.gateway != NULLCHAR) {
1908 if (appData.debugMode) {
1909 fprintf(debugFP, ">ICS: ");
1910 show_bytes(debugFP, message, count);
1911 fprintf(debugFP, "\n");
1913 return OutputToProcess(pr, message, count, outError);
1916 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1923 if (appData.debugMode) {
1924 fprintf(debugFP, ">ICS: ");
1925 show_bytes(debugFP, buf, newcount);
1926 fprintf(debugFP, "\n");
1928 outcount = OutputToProcess(pr, buf, newcount, outError);
1929 if (outcount < newcount) return -1; /* to be sure */
1936 } else if (((unsigned char) *p) == TN_IAC) {
1937 *q++ = (char) TN_IAC;
1944 if (appData.debugMode) {
1945 fprintf(debugFP, ">ICS: ");
1946 show_bytes(debugFP, buf, newcount);
1947 fprintf(debugFP, "\n");
1949 outcount = OutputToProcess(pr, buf, newcount, outError);
1950 if (outcount < newcount) return -1; /* to be sure */
1955 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1957 int outError, outCount;
1958 static int gotEof = 0;
1961 /* Pass data read from player on to ICS */
1964 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1965 if (outCount < count) {
1966 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1968 if(have_sent_ICS_logon == 2) {
1969 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1970 fprintf(ini, "%s", message);
1971 have_sent_ICS_logon = 3;
1973 have_sent_ICS_logon = 1;
1974 } else if(have_sent_ICS_logon == 3) {
1975 fprintf(ini, "%s", message);
1977 have_sent_ICS_logon = 1;
1979 } else if (count < 0) {
1980 RemoveInputSource(isr);
1981 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1982 } else if (gotEof++ > 0) {
1983 RemoveInputSource(isr);
1984 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1990 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1991 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1992 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1993 SendToICS("date\n");
1994 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1997 /* added routine for printf style output to ics */
1999 ics_printf (char *format, ...)
2001 char buffer[MSG_SIZ];
2004 va_start(args, format);
2005 vsnprintf(buffer, sizeof(buffer), format, args);
2006 buffer[sizeof(buffer)-1] = '\0';
2014 int count, outCount, outError;
2016 if (icsPR == NoProc) return;
2019 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2020 if (outCount < count) {
2021 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2025 /* This is used for sending logon scripts to the ICS. Sending
2026 without a delay causes problems when using timestamp on ICC
2027 (at least on my machine). */
2029 SendToICSDelayed (char *s, long msdelay)
2031 int count, outCount, outError;
2033 if (icsPR == NoProc) return;
2036 if (appData.debugMode) {
2037 fprintf(debugFP, ">ICS: ");
2038 show_bytes(debugFP, s, count);
2039 fprintf(debugFP, "\n");
2041 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2043 if (outCount < count) {
2044 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2049 /* Remove all highlighting escape sequences in s
2050 Also deletes any suffix starting with '('
2053 StripHighlightAndTitle (char *s)
2055 static char retbuf[MSG_SIZ];
2058 while (*s != NULLCHAR) {
2059 while (*s == '\033') {
2060 while (*s != NULLCHAR && !isalpha(*s)) s++;
2061 if (*s != NULLCHAR) s++;
2063 while (*s != NULLCHAR && *s != '\033') {
2064 if (*s == '(' || *s == '[') {
2075 /* Remove all highlighting escape sequences in s */
2077 StripHighlight (char *s)
2079 static char retbuf[MSG_SIZ];
2082 while (*s != NULLCHAR) {
2083 while (*s == '\033') {
2084 while (*s != NULLCHAR && !isalpha(*s)) s++;
2085 if (*s != NULLCHAR) s++;
2087 while (*s != NULLCHAR && *s != '\033') {
2095 char engineVariant[MSG_SIZ];
2096 char *variantNames[] = VARIANT_NAMES;
2098 VariantName (VariantClass v)
2100 if(v == VariantUnknown || *engineVariant) return engineVariant;
2101 return variantNames[v];
2105 /* Identify a variant from the strings the chess servers use or the
2106 PGN Variant tag names we use. */
2108 StringToVariant (char *e)
2112 VariantClass v = VariantNormal;
2113 int i, found = FALSE;
2114 char buf[MSG_SIZ], c;
2119 /* [HGM] skip over optional board-size prefixes */
2120 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2121 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2122 while( *e++ != '_');
2125 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2129 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2130 if (p = StrCaseStr(e, variantNames[i])) {
2131 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2132 v = (VariantClass) i;
2139 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2140 || StrCaseStr(e, "wild/fr")
2141 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2142 v = VariantFischeRandom;
2143 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2144 (i = 1, p = StrCaseStr(e, "w"))) {
2146 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2153 case 0: /* FICS only, actually */
2155 /* Castling legal even if K starts on d-file */
2156 v = VariantWildCastle;
2161 /* Castling illegal even if K & R happen to start in
2162 normal positions. */
2163 v = VariantNoCastle;
2176 /* Castling legal iff K & R start in normal positions */
2182 /* Special wilds for position setup; unclear what to do here */
2183 v = VariantLoadable;
2186 /* Bizarre ICC game */
2187 v = VariantTwoKings;
2190 v = VariantKriegspiel;
2196 v = VariantFischeRandom;
2199 v = VariantCrazyhouse;
2202 v = VariantBughouse;
2208 /* Not quite the same as FICS suicide! */
2209 v = VariantGiveaway;
2215 v = VariantShatranj;
2218 /* Temporary names for future ICC types. The name *will* change in
2219 the next xboard/WinBoard release after ICC defines it. */
2257 v = VariantCapablanca;
2260 v = VariantKnightmate;
2266 v = VariantCylinder;
2272 v = VariantCapaRandom;
2275 v = VariantBerolina;
2287 /* Found "wild" or "w" in the string but no number;
2288 must assume it's normal chess. */
2292 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2293 if( (len >= MSG_SIZ) && appData.debugMode )
2294 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2296 DisplayError(buf, 0);
2302 if (appData.debugMode) {
2303 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2304 e, wnum, VariantName(v));
2309 static int leftover_start = 0, leftover_len = 0;
2310 char star_match[STAR_MATCH_N][MSG_SIZ];
2312 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2313 advance *index beyond it, and set leftover_start to the new value of
2314 *index; else return FALSE. If pattern contains the character '*', it
2315 matches any sequence of characters not containing '\r', '\n', or the
2316 character following the '*' (if any), and the matched sequence(s) are
2317 copied into star_match.
2320 looking_at ( char *buf, int *index, char *pattern)
2322 char *bufp = &buf[*index], *patternp = pattern;
2324 char *matchp = star_match[0];
2327 if (*patternp == NULLCHAR) {
2328 *index = leftover_start = bufp - buf;
2332 if (*bufp == NULLCHAR) return FALSE;
2333 if (*patternp == '*') {
2334 if (*bufp == *(patternp + 1)) {
2336 matchp = star_match[++star_count];
2340 } else if (*bufp == '\n' || *bufp == '\r') {
2342 if (*patternp == NULLCHAR)
2347 *matchp++ = *bufp++;
2351 if (*patternp != *bufp) return FALSE;
2358 SendToPlayer (char *data, int length)
2360 int error, outCount;
2361 outCount = OutputToProcess(NoProc, data, length, &error);
2362 if (outCount < length) {
2363 DisplayFatalError(_("Error writing to display"), error, 1);
2368 PackHolding (char packed[], char *holding)
2378 switch (runlength) {
2389 sprintf(q, "%d", runlength);
2401 /* Telnet protocol requests from the front end */
2403 TelnetRequest (unsigned char ddww, unsigned char option)
2405 unsigned char msg[3];
2406 int outCount, outError;
2408 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2410 if (appData.debugMode) {
2411 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2427 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2436 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2439 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2444 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2446 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2453 if (!appData.icsActive) return;
2454 TelnetRequest(TN_DO, TN_ECHO);
2460 if (!appData.icsActive) return;
2461 TelnetRequest(TN_DONT, TN_ECHO);
2465 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2467 /* put the holdings sent to us by the server on the board holdings area */
2468 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2472 if(gameInfo.holdingsWidth < 2) return;
2473 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2474 return; // prevent overwriting by pre-board holdings
2476 if( (int)lowestPiece >= BlackPawn ) {
2479 holdingsStartRow = BOARD_HEIGHT-1;
2482 holdingsColumn = BOARD_WIDTH-1;
2483 countsColumn = BOARD_WIDTH-2;
2484 holdingsStartRow = 0;
2488 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2489 board[i][holdingsColumn] = EmptySquare;
2490 board[i][countsColumn] = (ChessSquare) 0;
2492 while( (p=*holdings++) != NULLCHAR ) {
2493 piece = CharToPiece( ToUpper(p) );
2494 if(piece == EmptySquare) continue;
2495 /*j = (int) piece - (int) WhitePawn;*/
2496 j = PieceToNumber(piece);
2497 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2498 if(j < 0) continue; /* should not happen */
2499 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2500 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2501 board[holdingsStartRow+j*direction][countsColumn]++;
2507 VariantSwitch (Board board, VariantClass newVariant)
2509 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2510 static Board oldBoard;
2512 startedFromPositionFile = FALSE;
2513 if(gameInfo.variant == newVariant) return;
2515 /* [HGM] This routine is called each time an assignment is made to
2516 * gameInfo.variant during a game, to make sure the board sizes
2517 * are set to match the new variant. If that means adding or deleting
2518 * holdings, we shift the playing board accordingly
2519 * This kludge is needed because in ICS observe mode, we get boards
2520 * of an ongoing game without knowing the variant, and learn about the
2521 * latter only later. This can be because of the move list we requested,
2522 * in which case the game history is refilled from the beginning anyway,
2523 * but also when receiving holdings of a crazyhouse game. In the latter
2524 * case we want to add those holdings to the already received position.
2528 if (appData.debugMode) {
2529 fprintf(debugFP, "Switch board from %s to %s\n",
2530 VariantName(gameInfo.variant), VariantName(newVariant));
2531 setbuf(debugFP, NULL);
2533 shuffleOpenings = 0; /* [HGM] shuffle */
2534 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2538 newWidth = 9; newHeight = 9;
2539 gameInfo.holdingsSize = 7;
2540 case VariantBughouse:
2541 case VariantCrazyhouse:
2542 newHoldingsWidth = 2; break;
2546 newHoldingsWidth = 2;
2547 gameInfo.holdingsSize = 8;
2550 case VariantCapablanca:
2551 case VariantCapaRandom:
2554 newHoldingsWidth = gameInfo.holdingsSize = 0;
2557 if(newWidth != gameInfo.boardWidth ||
2558 newHeight != gameInfo.boardHeight ||
2559 newHoldingsWidth != gameInfo.holdingsWidth ) {
2561 /* shift position to new playing area, if needed */
2562 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2563 for(i=0; i<BOARD_HEIGHT; i++)
2564 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2565 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2567 for(i=0; i<newHeight; i++) {
2568 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2569 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2571 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2572 for(i=0; i<BOARD_HEIGHT; i++)
2573 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2574 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2577 board[HOLDINGS_SET] = 0;
2578 gameInfo.boardWidth = newWidth;
2579 gameInfo.boardHeight = newHeight;
2580 gameInfo.holdingsWidth = newHoldingsWidth;
2581 gameInfo.variant = newVariant;
2582 InitDrawingSizes(-2, 0);
2583 } else gameInfo.variant = newVariant;
2584 CopyBoard(oldBoard, board); // remember correctly formatted board
2585 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2586 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2589 static int loggedOn = FALSE;
2591 /*-- Game start info cache: --*/
2593 char gs_kind[MSG_SIZ];
2594 static char player1Name[128] = "";
2595 static char player2Name[128] = "";
2596 static char cont_seq[] = "\n\\ ";
2597 static int player1Rating = -1;
2598 static int player2Rating = -1;
2599 /*----------------------------*/
2601 ColorClass curColor = ColorNormal;
2602 int suppressKibitz = 0;
2605 Boolean soughtPending = FALSE;
2606 Boolean seekGraphUp;
2607 #define MAX_SEEK_ADS 200
2609 char *seekAdList[MAX_SEEK_ADS];
2610 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2611 float tcList[MAX_SEEK_ADS];
2612 char colorList[MAX_SEEK_ADS];
2613 int nrOfSeekAds = 0;
2614 int minRating = 1010, maxRating = 2800;
2615 int hMargin = 10, vMargin = 20, h, w;
2616 extern int squareSize, lineGap;
2621 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2622 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2623 if(r < minRating+100 && r >=0 ) r = minRating+100;
2624 if(r > maxRating) r = maxRating;
2625 if(tc < 1.f) tc = 1.f;
2626 if(tc > 95.f) tc = 95.f;
2627 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2628 y = ((double)r - minRating)/(maxRating - minRating)
2629 * (h-vMargin-squareSize/8-1) + vMargin;
2630 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2631 if(strstr(seekAdList[i], " u ")) color = 1;
2632 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2633 !strstr(seekAdList[i], "bullet") &&
2634 !strstr(seekAdList[i], "blitz") &&
2635 !strstr(seekAdList[i], "standard") ) color = 2;
2636 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2637 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2641 PlotSingleSeekAd (int i)
2647 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2649 char buf[MSG_SIZ], *ext = "";
2650 VariantClass v = StringToVariant(type);
2651 if(strstr(type, "wild")) {
2652 ext = type + 4; // append wild number
2653 if(v == VariantFischeRandom) type = "chess960"; else
2654 if(v == VariantLoadable) type = "setup"; else
2655 type = VariantName(v);
2657 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2658 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2659 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2660 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2661 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2662 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2663 seekNrList[nrOfSeekAds] = nr;
2664 zList[nrOfSeekAds] = 0;
2665 seekAdList[nrOfSeekAds++] = StrSave(buf);
2666 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2671 EraseSeekDot (int i)
2673 int x = xList[i], y = yList[i], d=squareSize/4, k;
2674 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2675 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2676 // now replot every dot that overlapped
2677 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2678 int xx = xList[k], yy = yList[k];
2679 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2680 DrawSeekDot(xx, yy, colorList[k]);
2685 RemoveSeekAd (int nr)
2688 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2690 if(seekAdList[i]) free(seekAdList[i]);
2691 seekAdList[i] = seekAdList[--nrOfSeekAds];
2692 seekNrList[i] = seekNrList[nrOfSeekAds];
2693 ratingList[i] = ratingList[nrOfSeekAds];
2694 colorList[i] = colorList[nrOfSeekAds];
2695 tcList[i] = tcList[nrOfSeekAds];
2696 xList[i] = xList[nrOfSeekAds];
2697 yList[i] = yList[nrOfSeekAds];
2698 zList[i] = zList[nrOfSeekAds];
2699 seekAdList[nrOfSeekAds] = NULL;
2705 MatchSoughtLine (char *line)
2707 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2708 int nr, base, inc, u=0; char dummy;
2710 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2711 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2713 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2714 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2715 // match: compact and save the line
2716 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2726 if(!seekGraphUp) return FALSE;
2727 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2728 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2730 DrawSeekBackground(0, 0, w, h);
2731 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2732 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2733 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2734 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2736 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2739 snprintf(buf, MSG_SIZ, "%d", i);
2740 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2743 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2744 for(i=1; i<100; i+=(i<10?1:5)) {
2745 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2746 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2747 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2749 snprintf(buf, MSG_SIZ, "%d", i);
2750 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2753 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2758 SeekGraphClick (ClickType click, int x, int y, int moving)
2760 static int lastDown = 0, displayed = 0, lastSecond;
2761 if(y < 0) return FALSE;
2762 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2763 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2764 if(!seekGraphUp) return FALSE;
2765 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2766 DrawPosition(TRUE, NULL);
2769 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2770 if(click == Release || moving) return FALSE;
2772 soughtPending = TRUE;
2773 SendToICS(ics_prefix);
2774 SendToICS("sought\n"); // should this be "sought all"?
2775 } else { // issue challenge based on clicked ad
2776 int dist = 10000; int i, closest = 0, second = 0;
2777 for(i=0; i<nrOfSeekAds; i++) {
2778 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2779 if(d < dist) { dist = d; closest = i; }
2780 second += (d - zList[i] < 120); // count in-range ads
2781 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2785 second = (second > 1);
2786 if(displayed != closest || second != lastSecond) {
2787 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2788 lastSecond = second; displayed = closest;
2790 if(click == Press) {
2791 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2794 } // on press 'hit', only show info
2795 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2796 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2797 SendToICS(ics_prefix);
2799 return TRUE; // let incoming board of started game pop down the graph
2800 } else if(click == Release) { // release 'miss' is ignored
2801 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2802 if(moving == 2) { // right up-click
2803 nrOfSeekAds = 0; // refresh graph
2804 soughtPending = TRUE;
2805 SendToICS(ics_prefix);
2806 SendToICS("sought\n"); // should this be "sought all"?
2809 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2810 // press miss or release hit 'pop down' seek graph
2811 seekGraphUp = FALSE;
2812 DrawPosition(TRUE, NULL);
2818 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2820 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2821 #define STARTED_NONE 0
2822 #define STARTED_MOVES 1
2823 #define STARTED_BOARD 2
2824 #define STARTED_OBSERVE 3
2825 #define STARTED_HOLDINGS 4
2826 #define STARTED_CHATTER 5
2827 #define STARTED_COMMENT 6
2828 #define STARTED_MOVES_NOHIDE 7
2830 static int started = STARTED_NONE;
2831 static char parse[20000];
2832 static int parse_pos = 0;
2833 static char buf[BUF_SIZE + 1];
2834 static int firstTime = TRUE, intfSet = FALSE;
2835 static ColorClass prevColor = ColorNormal;
2836 static int savingComment = FALSE;
2837 static int cmatch = 0; // continuation sequence match
2844 int backup; /* [DM] For zippy color lines */
2846 char talker[MSG_SIZ]; // [HGM] chat
2847 int channel, collective=0;
2849 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2851 if (appData.debugMode) {
2853 fprintf(debugFP, "<ICS: ");
2854 show_bytes(debugFP, data, count);
2855 fprintf(debugFP, "\n");
2859 if (appData.debugMode) { int f = forwardMostMove;
2860 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2861 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2862 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2865 /* If last read ended with a partial line that we couldn't parse,
2866 prepend it to the new read and try again. */
2867 if (leftover_len > 0) {
2868 for (i=0; i<leftover_len; i++)
2869 buf[i] = buf[leftover_start + i];
2872 /* copy new characters into the buffer */
2873 bp = buf + leftover_len;
2874 buf_len=leftover_len;
2875 for (i=0; i<count; i++)
2878 if (data[i] == '\r')
2881 // join lines split by ICS?
2882 if (!appData.noJoin)
2885 Joining just consists of finding matches against the
2886 continuation sequence, and discarding that sequence
2887 if found instead of copying it. So, until a match
2888 fails, there's nothing to do since it might be the
2889 complete sequence, and thus, something we don't want
2892 if (data[i] == cont_seq[cmatch])
2895 if (cmatch == strlen(cont_seq))
2897 cmatch = 0; // complete match. just reset the counter
2900 it's possible for the ICS to not include the space
2901 at the end of the last word, making our [correct]
2902 join operation fuse two separate words. the server
2903 does this when the space occurs at the width setting.
2905 if (!buf_len || buf[buf_len-1] != ' ')
2916 match failed, so we have to copy what matched before
2917 falling through and copying this character. In reality,
2918 this will only ever be just the newline character, but
2919 it doesn't hurt to be precise.
2921 strncpy(bp, cont_seq, cmatch);
2933 buf[buf_len] = NULLCHAR;
2934 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2939 while (i < buf_len) {
2940 /* Deal with part of the TELNET option negotiation
2941 protocol. We refuse to do anything beyond the
2942 defaults, except that we allow the WILL ECHO option,
2943 which ICS uses to turn off password echoing when we are
2944 directly connected to it. We reject this option
2945 if localLineEditing mode is on (always on in xboard)
2946 and we are talking to port 23, which might be a real
2947 telnet server that will try to keep WILL ECHO on permanently.
2949 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2950 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2951 unsigned char option;
2953 switch ((unsigned char) buf[++i]) {
2955 if (appData.debugMode)
2956 fprintf(debugFP, "\n<WILL ");
2957 switch (option = (unsigned char) buf[++i]) {
2959 if (appData.debugMode)
2960 fprintf(debugFP, "ECHO ");
2961 /* Reply only if this is a change, according
2962 to the protocol rules. */
2963 if (remoteEchoOption) break;
2964 if (appData.localLineEditing &&
2965 atoi(appData.icsPort) == TN_PORT) {
2966 TelnetRequest(TN_DONT, TN_ECHO);
2969 TelnetRequest(TN_DO, TN_ECHO);
2970 remoteEchoOption = TRUE;
2974 if (appData.debugMode)
2975 fprintf(debugFP, "%d ", option);
2976 /* Whatever this is, we don't want it. */
2977 TelnetRequest(TN_DONT, option);
2982 if (appData.debugMode)
2983 fprintf(debugFP, "\n<WONT ");
2984 switch (option = (unsigned char) buf[++i]) {
2986 if (appData.debugMode)
2987 fprintf(debugFP, "ECHO ");
2988 /* Reply only if this is a change, according
2989 to the protocol rules. */
2990 if (!remoteEchoOption) break;
2992 TelnetRequest(TN_DONT, TN_ECHO);
2993 remoteEchoOption = FALSE;
2996 if (appData.debugMode)
2997 fprintf(debugFP, "%d ", (unsigned char) option);
2998 /* Whatever this is, it must already be turned
2999 off, because we never agree to turn on
3000 anything non-default, so according to the
3001 protocol rules, we don't reply. */
3006 if (appData.debugMode)
3007 fprintf(debugFP, "\n<DO ");
3008 switch (option = (unsigned char) buf[++i]) {
3010 /* Whatever this is, we refuse to do it. */
3011 if (appData.debugMode)
3012 fprintf(debugFP, "%d ", option);
3013 TelnetRequest(TN_WONT, option);
3018 if (appData.debugMode)
3019 fprintf(debugFP, "\n<DONT ");
3020 switch (option = (unsigned char) buf[++i]) {
3022 if (appData.debugMode)
3023 fprintf(debugFP, "%d ", option);
3024 /* Whatever this is, we are already not doing
3025 it, because we never agree to do anything
3026 non-default, so according to the protocol
3027 rules, we don't reply. */
3032 if (appData.debugMode)
3033 fprintf(debugFP, "\n<IAC ");
3034 /* Doubled IAC; pass it through */
3038 if (appData.debugMode)
3039 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3040 /* Drop all other telnet commands on the floor */
3043 if (oldi > next_out)
3044 SendToPlayer(&buf[next_out], oldi - next_out);
3050 /* OK, this at least will *usually* work */
3051 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3055 if (loggedOn && !intfSet) {
3056 if (ics_type == ICS_ICC) {
3057 snprintf(str, MSG_SIZ,
3058 "/set-quietly interface %s\n/set-quietly style 12\n",
3060 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3061 strcat(str, "/set-2 51 1\n/set seek 1\n");
3062 } else if (ics_type == ICS_CHESSNET) {
3063 snprintf(str, MSG_SIZ, "/style 12\n");
3065 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3066 strcat(str, programVersion);
3067 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3068 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3069 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3071 strcat(str, "$iset nohighlight 1\n");
3073 strcat(str, "$iset lock 1\n$style 12\n");
3076 NotifyFrontendLogin();
3080 if (started == STARTED_COMMENT) {
3081 /* Accumulate characters in comment */
3082 parse[parse_pos++] = buf[i];
3083 if (buf[i] == '\n') {
3084 parse[parse_pos] = NULLCHAR;
3085 if(chattingPartner>=0) {
3087 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3088 OutputChatMessage(chattingPartner, mess);
3089 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3091 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3092 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3093 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3094 OutputChatMessage(p, mess);
3098 chattingPartner = -1;
3099 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3102 if(!suppressKibitz) // [HGM] kibitz
3103 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3104 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3105 int nrDigit = 0, nrAlph = 0, j;
3106 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3107 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3108 parse[parse_pos] = NULLCHAR;
3109 // try to be smart: if it does not look like search info, it should go to
3110 // ICS interaction window after all, not to engine-output window.
3111 for(j=0; j<parse_pos; j++) { // count letters and digits
3112 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3113 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3114 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3116 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3117 int depth=0; float score;
3118 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3119 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3120 pvInfoList[forwardMostMove-1].depth = depth;
3121 pvInfoList[forwardMostMove-1].score = 100*score;
3123 OutputKibitz(suppressKibitz, parse);
3126 if(gameMode == IcsObserving) // restore original ICS messages
3127 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3128 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3130 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3131 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3132 SendToPlayer(tmp, strlen(tmp));
3134 next_out = i+1; // [HGM] suppress printing in ICS window
3136 started = STARTED_NONE;
3138 /* Don't match patterns against characters in comment */
3143 if (started == STARTED_CHATTER) {
3144 if (buf[i] != '\n') {
3145 /* Don't match patterns against characters in chatter */
3149 started = STARTED_NONE;
3150 if(suppressKibitz) next_out = i+1;
3153 /* Kludge to deal with rcmd protocol */
3154 if (firstTime && looking_at(buf, &i, "\001*")) {
3155 DisplayFatalError(&buf[1], 0, 1);
3161 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3164 if (appData.debugMode)
3165 fprintf(debugFP, "ics_type %d\n", ics_type);
3168 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3169 ics_type = ICS_FICS;
3171 if (appData.debugMode)
3172 fprintf(debugFP, "ics_type %d\n", ics_type);
3175 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3176 ics_type = ICS_CHESSNET;
3178 if (appData.debugMode)
3179 fprintf(debugFP, "ics_type %d\n", ics_type);
3184 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3185 looking_at(buf, &i, "Logging you in as \"*\"") ||
3186 looking_at(buf, &i, "will be \"*\""))) {
3187 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3191 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3193 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3194 DisplayIcsInteractionTitle(buf);
3195 have_set_title = TRUE;
3198 /* skip finger notes */
3199 if (started == STARTED_NONE &&
3200 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3201 (buf[i] == '1' && buf[i+1] == '0')) &&
3202 buf[i+2] == ':' && buf[i+3] == ' ') {
3203 started = STARTED_CHATTER;
3209 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3210 if(appData.seekGraph) {
3211 if(soughtPending && MatchSoughtLine(buf+i)) {
3212 i = strstr(buf+i, "rated") - buf;
3213 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3214 next_out = leftover_start = i;
3215 started = STARTED_CHATTER;
3216 suppressKibitz = TRUE;
3219 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3220 && looking_at(buf, &i, "* ads displayed")) {
3221 soughtPending = FALSE;
3226 if(appData.autoRefresh) {
3227 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3228 int s = (ics_type == ICS_ICC); // ICC format differs
3230 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3231 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3232 looking_at(buf, &i, "*% "); // eat prompt
3233 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3234 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3235 next_out = i; // suppress
3238 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3239 char *p = star_match[0];
3241 if(seekGraphUp) RemoveSeekAd(atoi(p));
3242 while(*p && *p++ != ' '); // next
3244 looking_at(buf, &i, "*% "); // eat prompt
3245 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3252 /* skip formula vars */
3253 if (started == STARTED_NONE &&
3254 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3255 started = STARTED_CHATTER;
3260 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3261 if (appData.autoKibitz && started == STARTED_NONE &&
3262 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3263 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3264 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3265 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3266 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3267 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3268 suppressKibitz = TRUE;
3269 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3271 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3272 && (gameMode == IcsPlayingWhite)) ||
3273 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3274 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3275 started = STARTED_CHATTER; // own kibitz we simply discard
3277 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3278 parse_pos = 0; parse[0] = NULLCHAR;
3279 savingComment = TRUE;
3280 suppressKibitz = gameMode != IcsObserving ? 2 :
3281 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3285 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3286 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3287 && atoi(star_match[0])) {
3288 // suppress the acknowledgements of our own autoKibitz
3290 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3291 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3292 SendToPlayer(star_match[0], strlen(star_match[0]));
3293 if(looking_at(buf, &i, "*% ")) // eat prompt
3294 suppressKibitz = FALSE;
3298 } // [HGM] kibitz: end of patch
3300 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3302 // [HGM] chat: intercept tells by users for which we have an open chat window
3304 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3305 looking_at(buf, &i, "* whispers:") ||
3306 looking_at(buf, &i, "* kibitzes:") ||
3307 looking_at(buf, &i, "* shouts:") ||
3308 looking_at(buf, &i, "* c-shouts:") ||
3309 looking_at(buf, &i, "--> * ") ||
3310 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3311 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3312 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3313 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3315 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3316 chattingPartner = -1; collective = 0;
3318 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3319 for(p=0; p<MAX_CHAT; p++) {
3321 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3322 talker[0] = '['; strcat(talker, "] ");
3323 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3324 chattingPartner = p; break;
3327 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3328 for(p=0; p<MAX_CHAT; p++) {
3330 if(!strcmp("kibitzes", chatPartner[p])) {
3331 talker[0] = '['; strcat(talker, "] ");
3332 chattingPartner = p; break;
3335 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3336 for(p=0; p<MAX_CHAT; p++) {
3338 if(!strcmp("whispers", chatPartner[p])) {
3339 talker[0] = '['; strcat(talker, "] ");
3340 chattingPartner = p; break;
3343 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3344 if(buf[i-8] == '-' && buf[i-3] == 't')
3345 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3347 if(!strcmp("c-shouts", chatPartner[p])) {
3348 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3349 chattingPartner = p; break;
3352 if(chattingPartner < 0)
3353 for(p=0; p<MAX_CHAT; p++) {
3355 if(!strcmp("shouts", chatPartner[p])) {
3356 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3357 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3358 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3359 chattingPartner = p; break;
3363 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3364 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3366 Colorize(ColorTell, FALSE);
3367 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3369 chattingPartner = p; break;
3371 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3372 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3373 started = STARTED_COMMENT;
3374 parse_pos = 0; parse[0] = NULLCHAR;
3375 savingComment = 3 + chattingPartner; // counts as TRUE
3376 if(collective == 3) i = oldi; else {
3377 suppressKibitz = TRUE;
3378 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3379 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3383 } // [HGM] chat: end of patch
3386 if (appData.zippyTalk || appData.zippyPlay) {
3387 /* [DM] Backup address for color zippy lines */
3389 if (loggedOn == TRUE)
3390 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3391 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3393 } // [DM] 'else { ' deleted
3395 /* Regular tells and says */
3396 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3397 looking_at(buf, &i, "* (your partner) tells you: ") ||
3398 looking_at(buf, &i, "* says: ") ||
3399 /* Don't color "message" or "messages" output */
3400 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3401 looking_at(buf, &i, "*. * at *:*: ") ||
3402 looking_at(buf, &i, "--* (*:*): ") ||
3403 /* Message notifications (same color as tells) */
3404 looking_at(buf, &i, "* has left a message ") ||
3405 looking_at(buf, &i, "* just sent you a message:\n") ||
3406 /* Whispers and kibitzes */
3407 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3408 looking_at(buf, &i, "* kibitzes: ") ||
3410 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3412 if (tkind == 1 && strchr(star_match[0], ':')) {
3413 /* Avoid "tells you:" spoofs in channels */
3416 if (star_match[0][0] == NULLCHAR ||
3417 strchr(star_match[0], ' ') ||
3418 (tkind == 3 && strchr(star_match[1], ' '))) {
3419 /* Reject bogus matches */
3422 if (appData.colorize) {
3423 if (oldi > next_out) {
3424 SendToPlayer(&buf[next_out], oldi - next_out);
3429 Colorize(ColorTell, FALSE);
3430 curColor = ColorTell;
3433 Colorize(ColorKibitz, FALSE);
3434 curColor = ColorKibitz;
3437 p = strrchr(star_match[1], '(');
3444 Colorize(ColorChannel1, FALSE);
3445 curColor = ColorChannel1;
3447 Colorize(ColorChannel, FALSE);
3448 curColor = ColorChannel;
3452 curColor = ColorNormal;
3456 if (started == STARTED_NONE && appData.autoComment &&
3457 (gameMode == IcsObserving ||
3458 gameMode == IcsPlayingWhite ||
3459 gameMode == IcsPlayingBlack)) {
3460 parse_pos = i - oldi;
3461 memcpy(parse, &buf[oldi], parse_pos);
3462 parse[parse_pos] = NULLCHAR;
3463 started = STARTED_COMMENT;
3464 savingComment = TRUE;
3465 } else if(collective != 3) {
3466 started = STARTED_CHATTER;
3467 savingComment = FALSE;
3474 if (looking_at(buf, &i, "* s-shouts: ") ||
3475 looking_at(buf, &i, "* c-shouts: ")) {
3476 if (appData.colorize) {
3477 if (oldi > next_out) {
3478 SendToPlayer(&buf[next_out], oldi - next_out);
3481 Colorize(ColorSShout, FALSE);
3482 curColor = ColorSShout;
3485 started = STARTED_CHATTER;
3489 if (looking_at(buf, &i, "--->")) {
3494 if (looking_at(buf, &i, "* shouts: ") ||
3495 looking_at(buf, &i, "--> ")) {
3496 if (appData.colorize) {
3497 if (oldi > next_out) {
3498 SendToPlayer(&buf[next_out], oldi - next_out);
3501 Colorize(ColorShout, FALSE);
3502 curColor = ColorShout;
3505 started = STARTED_CHATTER;
3509 if (looking_at( buf, &i, "Challenge:")) {
3510 if (appData.colorize) {
3511 if (oldi > next_out) {
3512 SendToPlayer(&buf[next_out], oldi - next_out);
3515 Colorize(ColorChallenge, FALSE);
3516 curColor = ColorChallenge;
3522 if (looking_at(buf, &i, "* offers you") ||
3523 looking_at(buf, &i, "* offers to be") ||
3524 looking_at(buf, &i, "* would like to") ||
3525 looking_at(buf, &i, "* requests to") ||
3526 looking_at(buf, &i, "Your opponent offers") ||
3527 looking_at(buf, &i, "Your opponent requests")) {
3529 if (appData.colorize) {
3530 if (oldi > next_out) {
3531 SendToPlayer(&buf[next_out], oldi - next_out);
3534 Colorize(ColorRequest, FALSE);
3535 curColor = ColorRequest;
3540 if (looking_at(buf, &i, "* (*) seeking")) {
3541 if (appData.colorize) {
3542 if (oldi > next_out) {
3543 SendToPlayer(&buf[next_out], oldi - next_out);
3546 Colorize(ColorSeek, FALSE);
3547 curColor = ColorSeek;
3552 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3554 if (looking_at(buf, &i, "\\ ")) {
3555 if (prevColor != ColorNormal) {
3556 if (oldi > next_out) {
3557 SendToPlayer(&buf[next_out], oldi - next_out);
3560 Colorize(prevColor, TRUE);
3561 curColor = prevColor;
3563 if (savingComment) {
3564 parse_pos = i - oldi;
3565 memcpy(parse, &buf[oldi], parse_pos);
3566 parse[parse_pos] = NULLCHAR;
3567 started = STARTED_COMMENT;
3568 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3569 chattingPartner = savingComment - 3; // kludge to remember the box
3571 started = STARTED_CHATTER;
3576 if (looking_at(buf, &i, "Black Strength :") ||
3577 looking_at(buf, &i, "<<< style 10 board >>>") ||
3578 looking_at(buf, &i, "<10>") ||
3579 looking_at(buf, &i, "#@#")) {
3580 /* Wrong board style */
3582 SendToICS(ics_prefix);
3583 SendToICS("set style 12\n");
3584 SendToICS(ics_prefix);
3585 SendToICS("refresh\n");
3589 if (looking_at(buf, &i, "login:")) {
3590 if (!have_sent_ICS_logon) {
3592 have_sent_ICS_logon = 1;
3593 else // no init script was found
3594 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3595 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3596 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3601 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3602 (looking_at(buf, &i, "\n<12> ") ||
3603 looking_at(buf, &i, "<12> "))) {
3605 if (oldi > next_out) {
3606 SendToPlayer(&buf[next_out], oldi - next_out);
3609 started = STARTED_BOARD;
3614 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3615 looking_at(buf, &i, "<b1> ")) {
3616 if (oldi > next_out) {
3617 SendToPlayer(&buf[next_out], oldi - next_out);
3620 started = STARTED_HOLDINGS;
3625 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3627 /* Header for a move list -- first line */
3629 switch (ics_getting_history) {
3633 case BeginningOfGame:
3634 /* User typed "moves" or "oldmoves" while we
3635 were idle. Pretend we asked for these
3636 moves and soak them up so user can step
3637 through them and/or save them.
3640 gameMode = IcsObserving;
3643 ics_getting_history = H_GOT_UNREQ_HEADER;
3645 case EditGame: /*?*/
3646 case EditPosition: /*?*/
3647 /* Should above feature work in these modes too? */
3648 /* For now it doesn't */
3649 ics_getting_history = H_GOT_UNWANTED_HEADER;
3652 ics_getting_history = H_GOT_UNWANTED_HEADER;
3657 /* Is this the right one? */
3658 if (gameInfo.white && gameInfo.black &&
3659 strcmp(gameInfo.white, star_match[0]) == 0 &&
3660 strcmp(gameInfo.black, star_match[2]) == 0) {
3662 ics_getting_history = H_GOT_REQ_HEADER;
3665 case H_GOT_REQ_HEADER:
3666 case H_GOT_UNREQ_HEADER:
3667 case H_GOT_UNWANTED_HEADER:
3668 case H_GETTING_MOVES:
3669 /* Should not happen */
3670 DisplayError(_("Error gathering move list: two headers"), 0);
3671 ics_getting_history = H_FALSE;
3675 /* Save player ratings into gameInfo if needed */
3676 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3677 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3678 (gameInfo.whiteRating == -1 ||
3679 gameInfo.blackRating == -1)) {
3681 gameInfo.whiteRating = string_to_rating(star_match[1]);
3682 gameInfo.blackRating = string_to_rating(star_match[3]);
3683 if (appData.debugMode)
3684 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3685 gameInfo.whiteRating, gameInfo.blackRating);
3690 if (looking_at(buf, &i,
3691 "* * match, initial time: * minute*, increment: * second")) {
3692 /* Header for a move list -- second line */
3693 /* Initial board will follow if this is a wild game */
3694 if (gameInfo.event != NULL) free(gameInfo.event);
3695 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3696 gameInfo.event = StrSave(str);
3697 /* [HGM] we switched variant. Translate boards if needed. */
3698 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3702 if (looking_at(buf, &i, "Move ")) {
3703 /* Beginning of a move list */
3704 switch (ics_getting_history) {
3706 /* Normally should not happen */
3707 /* Maybe user hit reset while we were parsing */
3710 /* Happens if we are ignoring a move list that is not
3711 * the one we just requested. Common if the user
3712 * tries to observe two games without turning off
3715 case H_GETTING_MOVES:
3716 /* Should not happen */
3717 DisplayError(_("Error gathering move list: nested"), 0);
3718 ics_getting_history = H_FALSE;
3720 case H_GOT_REQ_HEADER:
3721 ics_getting_history = H_GETTING_MOVES;
3722 started = STARTED_MOVES;
3724 if (oldi > next_out) {
3725 SendToPlayer(&buf[next_out], oldi - next_out);
3728 case H_GOT_UNREQ_HEADER:
3729 ics_getting_history = H_GETTING_MOVES;
3730 started = STARTED_MOVES_NOHIDE;
3733 case H_GOT_UNWANTED_HEADER:
3734 ics_getting_history = H_FALSE;
3740 if (looking_at(buf, &i, "% ") ||
3741 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3742 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3743 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3744 soughtPending = FALSE;
3748 if(suppressKibitz) next_out = i;
3749 savingComment = FALSE;
3753 case STARTED_MOVES_NOHIDE:
3754 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3755 parse[parse_pos + i - oldi] = NULLCHAR;
3756 ParseGameHistory(parse);
3758 if (appData.zippyPlay && first.initDone) {
3759 FeedMovesToProgram(&first, forwardMostMove);
3760 if (gameMode == IcsPlayingWhite) {
3761 if (WhiteOnMove(forwardMostMove)) {
3762 if (first.sendTime) {
3763 if (first.useColors) {
3764 SendToProgram("black\n", &first);
3766 SendTimeRemaining(&first, TRUE);
3768 if (first.useColors) {
3769 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3771 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3772 first.maybeThinking = TRUE;
3774 if (first.usePlayother) {
3775 if (first.sendTime) {
3776 SendTimeRemaining(&first, TRUE);
3778 SendToProgram("playother\n", &first);
3784 } else if (gameMode == IcsPlayingBlack) {
3785 if (!WhiteOnMove(forwardMostMove)) {
3786 if (first.sendTime) {
3787 if (first.useColors) {
3788 SendToProgram("white\n", &first);
3790 SendTimeRemaining(&first, FALSE);
3792 if (first.useColors) {
3793 SendToProgram("black\n", &first);
3795 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3796 first.maybeThinking = TRUE;
3798 if (first.usePlayother) {
3799 if (first.sendTime) {
3800 SendTimeRemaining(&first, FALSE);
3802 SendToProgram("playother\n", &first);
3811 if (gameMode == IcsObserving && ics_gamenum == -1) {
3812 /* Moves came from oldmoves or moves command
3813 while we weren't doing anything else.
3815 currentMove = forwardMostMove;
3816 ClearHighlights();/*!!could figure this out*/
3817 flipView = appData.flipView;
3818 DrawPosition(TRUE, boards[currentMove]);
3819 DisplayBothClocks();
3820 snprintf(str, MSG_SIZ, "%s %s %s",
3821 gameInfo.white, _("vs."), gameInfo.black);
3825 /* Moves were history of an active game */
3826 if (gameInfo.resultDetails != NULL) {
3827 free(gameInfo.resultDetails);
3828 gameInfo.resultDetails = NULL;
3831 HistorySet(parseList, backwardMostMove,
3832 forwardMostMove, currentMove-1);
3833 DisplayMove(currentMove - 1);
3834 if (started == STARTED_MOVES) next_out = i;
3835 started = STARTED_NONE;
3836 ics_getting_history = H_FALSE;
3839 case STARTED_OBSERVE:
3840 started = STARTED_NONE;
3841 SendToICS(ics_prefix);
3842 SendToICS("refresh\n");
3848 if(bookHit) { // [HGM] book: simulate book reply
3849 static char bookMove[MSG_SIZ]; // a bit generous?
3851 programStats.nodes = programStats.depth = programStats.time =
3852 programStats.score = programStats.got_only_move = 0;
3853 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3855 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3856 strcat(bookMove, bookHit);
3857 HandleMachineMove(bookMove, &first);
3862 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3863 started == STARTED_HOLDINGS ||
3864 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3865 /* Accumulate characters in move list or board */
3866 parse[parse_pos++] = buf[i];
3869 /* Start of game messages. Mostly we detect start of game
3870 when the first board image arrives. On some versions
3871 of the ICS, though, we need to do a "refresh" after starting
3872 to observe in order to get the current board right away. */
3873 if (looking_at(buf, &i, "Adding game * to observation list")) {
3874 started = STARTED_OBSERVE;
3878 /* Handle auto-observe */
3879 if (appData.autoObserve &&
3880 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3881 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3883 /* Choose the player that was highlighted, if any. */
3884 if (star_match[0][0] == '\033' ||
3885 star_match[1][0] != '\033') {
3886 player = star_match[0];
3888 player = star_match[2];
3890 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3891 ics_prefix, StripHighlightAndTitle(player));
3894 /* Save ratings from notify string */
3895 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3896 player1Rating = string_to_rating(star_match[1]);
3897 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3898 player2Rating = string_to_rating(star_match[3]);
3900 if (appData.debugMode)
3902 "Ratings from 'Game notification:' %s %d, %s %d\n",
3903 player1Name, player1Rating,
3904 player2Name, player2Rating);
3909 /* Deal with automatic examine mode after a game,
3910 and with IcsObserving -> IcsExamining transition */
3911 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3912 looking_at(buf, &i, "has made you an examiner of game *")) {
3914 int gamenum = atoi(star_match[0]);
3915 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3916 gamenum == ics_gamenum) {
3917 /* We were already playing or observing this game;
3918 no need to refetch history */
3919 gameMode = IcsExamining;
3921 pauseExamForwardMostMove = forwardMostMove;
3922 } else if (currentMove < forwardMostMove) {
3923 ForwardInner(forwardMostMove);
3926 /* I don't think this case really can happen */
3927 SendToICS(ics_prefix);
3928 SendToICS("refresh\n");
3933 /* Error messages */
3934 // if (ics_user_moved) {
3935 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3936 if (looking_at(buf, &i, "Illegal move") ||
3937 looking_at(buf, &i, "Not a legal move") ||
3938 looking_at(buf, &i, "Your king is in check") ||
3939 looking_at(buf, &i, "It isn't your turn") ||
3940 looking_at(buf, &i, "It is not your move")) {
3942 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3943 currentMove = forwardMostMove-1;
3944 DisplayMove(currentMove - 1); /* before DMError */
3945 DrawPosition(FALSE, boards[currentMove]);
3946 SwitchClocks(forwardMostMove-1); // [HGM] race
3947 DisplayBothClocks();
3949 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3955 if (looking_at(buf, &i, "still have time") ||
3956 looking_at(buf, &i, "not out of time") ||
3957 looking_at(buf, &i, "either player is out of time") ||
3958 looking_at(buf, &i, "has timeseal; checking")) {
3959 /* We must have called his flag a little too soon */
3960 whiteFlag = blackFlag = FALSE;
3964 if (looking_at(buf, &i, "added * seconds to") ||
3965 looking_at(buf, &i, "seconds were added to")) {
3966 /* Update the clocks */
3967 SendToICS(ics_prefix);
3968 SendToICS("refresh\n");
3972 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3973 ics_clock_paused = TRUE;
3978 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3979 ics_clock_paused = FALSE;
3984 /* Grab player ratings from the Creating: message.
3985 Note we have to check for the special case when
3986 the ICS inserts things like [white] or [black]. */
3987 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3988 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3990 0 player 1 name (not necessarily white)
3992 2 empty, white, or black (IGNORED)
3993 3 player 2 name (not necessarily black)
3996 The names/ratings are sorted out when the game
3997 actually starts (below).
3999 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4000 player1Rating = string_to_rating(star_match[1]);
4001 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4002 player2Rating = string_to_rating(star_match[4]);
4004 if (appData.debugMode)
4006 "Ratings from 'Creating:' %s %d, %s %d\n",
4007 player1Name, player1Rating,
4008 player2Name, player2Rating);
4013 /* Improved generic start/end-of-game messages */
4014 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4015 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4016 /* If tkind == 0: */
4017 /* star_match[0] is the game number */
4018 /* [1] is the white player's name */
4019 /* [2] is the black player's name */
4020 /* For end-of-game: */
4021 /* [3] is the reason for the game end */
4022 /* [4] is a PGN end game-token, preceded by " " */
4023 /* For start-of-game: */
4024 /* [3] begins with "Creating" or "Continuing" */
4025 /* [4] is " *" or empty (don't care). */
4026 int gamenum = atoi(star_match[0]);
4027 char *whitename, *blackname, *why, *endtoken;
4028 ChessMove endtype = EndOfFile;
4031 whitename = star_match[1];
4032 blackname = star_match[2];
4033 why = star_match[3];
4034 endtoken = star_match[4];
4036 whitename = star_match[1];
4037 blackname = star_match[3];
4038 why = star_match[5];
4039 endtoken = star_match[6];
4042 /* Game start messages */
4043 if (strncmp(why, "Creating ", 9) == 0 ||
4044 strncmp(why, "Continuing ", 11) == 0) {
4045 gs_gamenum = gamenum;
4046 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4047 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4048 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4050 if (appData.zippyPlay) {
4051 ZippyGameStart(whitename, blackname);
4054 partnerBoardValid = FALSE; // [HGM] bughouse
4058 /* Game end messages */
4059 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4060 ics_gamenum != gamenum) {
4063 while (endtoken[0] == ' ') endtoken++;
4064 switch (endtoken[0]) {
4067 endtype = GameUnfinished;
4070 endtype = BlackWins;
4073 if (endtoken[1] == '/')
4074 endtype = GameIsDrawn;
4076 endtype = WhiteWins;
4079 GameEnds(endtype, why, GE_ICS);
4081 if (appData.zippyPlay && first.initDone) {
4082 ZippyGameEnd(endtype, why);
4083 if (first.pr == NoProc) {
4084 /* Start the next process early so that we'll
4085 be ready for the next challenge */
4086 StartChessProgram(&first);
4088 /* Send "new" early, in case this command takes
4089 a long time to finish, so that we'll be ready
4090 for the next challenge. */
4091 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4095 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4099 if (looking_at(buf, &i, "Removing game * from observation") ||
4100 looking_at(buf, &i, "no longer observing game *") ||
4101 looking_at(buf, &i, "Game * (*) has no examiners")) {
4102 if (gameMode == IcsObserving &&
4103 atoi(star_match[0]) == ics_gamenum)
4105 /* icsEngineAnalyze */
4106 if (appData.icsEngineAnalyze) {
4113 ics_user_moved = FALSE;
4118 if (looking_at(buf, &i, "no longer examining game *")) {
4119 if (gameMode == IcsExamining &&
4120 atoi(star_match[0]) == ics_gamenum)
4124 ics_user_moved = FALSE;
4129 /* Advance leftover_start past any newlines we find,
4130 so only partial lines can get reparsed */
4131 if (looking_at(buf, &i, "\n")) {
4132 prevColor = curColor;
4133 if (curColor != ColorNormal) {
4134 if (oldi > next_out) {
4135 SendToPlayer(&buf[next_out], oldi - next_out);
4138 Colorize(ColorNormal, FALSE);
4139 curColor = ColorNormal;
4141 if (started == STARTED_BOARD) {
4142 started = STARTED_NONE;
4143 parse[parse_pos] = NULLCHAR;
4144 ParseBoard12(parse);
4147 /* Send premove here */
4148 if (appData.premove) {
4150 if (currentMove == 0 &&
4151 gameMode == IcsPlayingWhite &&
4152 appData.premoveWhite) {
4153 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4154 if (appData.debugMode)
4155 fprintf(debugFP, "Sending premove:\n");
4157 } else if (currentMove == 1 &&
4158 gameMode == IcsPlayingBlack &&
4159 appData.premoveBlack) {
4160 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4161 if (appData.debugMode)
4162 fprintf(debugFP, "Sending premove:\n");
4164 } else if (gotPremove) {
4166 ClearPremoveHighlights();
4167 if (appData.debugMode)
4168 fprintf(debugFP, "Sending premove:\n");
4169 UserMoveEvent(premoveFromX, premoveFromY,
4170 premoveToX, premoveToY,
4175 /* Usually suppress following prompt */
4176 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4177 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4178 if (looking_at(buf, &i, "*% ")) {
4179 savingComment = FALSE;
4184 } else if (started == STARTED_HOLDINGS) {
4186 char new_piece[MSG_SIZ];
4187 started = STARTED_NONE;
4188 parse[parse_pos] = NULLCHAR;
4189 if (appData.debugMode)
4190 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4191 parse, currentMove);
4192 if (sscanf(parse, " game %d", &gamenum) == 1) {
4193 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4194 if (gameInfo.variant == VariantNormal) {
4195 /* [HGM] We seem to switch variant during a game!
4196 * Presumably no holdings were displayed, so we have
4197 * to move the position two files to the right to
4198 * create room for them!
4200 VariantClass newVariant;
4201 switch(gameInfo.boardWidth) { // base guess on board width
4202 case 9: newVariant = VariantShogi; break;
4203 case 10: newVariant = VariantGreat; break;
4204 default: newVariant = VariantCrazyhouse; break;
4206 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4207 /* Get a move list just to see the header, which
4208 will tell us whether this is really bug or zh */
4209 if (ics_getting_history == H_FALSE) {
4210 ics_getting_history = H_REQUESTED;
4211 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4215 new_piece[0] = NULLCHAR;
4216 sscanf(parse, "game %d white [%s black [%s <- %s",
4217 &gamenum, white_holding, black_holding,
4219 white_holding[strlen(white_holding)-1] = NULLCHAR;
4220 black_holding[strlen(black_holding)-1] = NULLCHAR;
4221 /* [HGM] copy holdings to board holdings area */
4222 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4223 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4224 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4226 if (appData.zippyPlay && first.initDone) {
4227 ZippyHoldings(white_holding, black_holding,
4231 if (tinyLayout || smallLayout) {
4232 char wh[16], bh[16];
4233 PackHolding(wh, white_holding);
4234 PackHolding(bh, black_holding);
4235 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4236 gameInfo.white, gameInfo.black);
4238 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4239 gameInfo.white, white_holding, _("vs."),
4240 gameInfo.black, black_holding);
4242 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4243 DrawPosition(FALSE, boards[currentMove]);
4245 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4246 sscanf(parse, "game %d white [%s black [%s <- %s",
4247 &gamenum, white_holding, black_holding,
4249 white_holding[strlen(white_holding)-1] = NULLCHAR;
4250 black_holding[strlen(black_holding)-1] = NULLCHAR;
4251 /* [HGM] copy holdings to partner-board holdings area */
4252 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4253 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4254 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4255 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4256 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4259 /* Suppress following prompt */
4260 if (looking_at(buf, &i, "*% ")) {
4261 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4262 savingComment = FALSE;
4270 i++; /* skip unparsed character and loop back */
4273 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4274 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4275 // SendToPlayer(&buf[next_out], i - next_out);
4276 started != STARTED_HOLDINGS && leftover_start > next_out) {
4277 SendToPlayer(&buf[next_out], leftover_start - next_out);
4281 leftover_len = buf_len - leftover_start;
4282 /* if buffer ends with something we couldn't parse,
4283 reparse it after appending the next read */
4285 } else if (count == 0) {
4286 RemoveInputSource(isr);
4287 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4289 DisplayFatalError(_("Error reading from ICS"), error, 1);
4294 /* Board style 12 looks like this:
4296 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4298 * The "<12> " is stripped before it gets to this routine. The two
4299 * trailing 0's (flip state and clock ticking) are later addition, and
4300 * some chess servers may not have them, or may have only the first.
4301 * Additional trailing fields may be added in the future.
4304 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4306 #define RELATION_OBSERVING_PLAYED 0
4307 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4308 #define RELATION_PLAYING_MYMOVE 1
4309 #define RELATION_PLAYING_NOTMYMOVE -1
4310 #define RELATION_EXAMINING 2
4311 #define RELATION_ISOLATED_BOARD -3
4312 #define RELATION_STARTING_POSITION -4 /* FICS only */
4315 ParseBoard12 (char *string)
4319 char *bookHit = NULL; // [HGM] book
4321 GameMode newGameMode;
4322 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4323 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4324 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4325 char to_play, board_chars[200];
4326 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4327 char black[32], white[32];
4329 int prevMove = currentMove;
4332 int fromX, fromY, toX, toY;
4334 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4335 Boolean weird = FALSE, reqFlag = FALSE;
4337 fromX = fromY = toX = toY = -1;
4341 if (appData.debugMode)
4342 fprintf(debugFP, "Parsing board: %s\n", string);
4344 move_str[0] = NULLCHAR;
4345 elapsed_time[0] = NULLCHAR;
4346 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4348 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4349 if(string[i] == ' ') { ranks++; files = 0; }
4351 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4354 for(j = 0; j <i; j++) board_chars[j] = string[j];
4355 board_chars[i] = '\0';
4358 n = sscanf(string, PATTERN, &to_play, &double_push,
4359 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4360 &gamenum, white, black, &relation, &basetime, &increment,
4361 &white_stren, &black_stren, &white_time, &black_time,
4362 &moveNum, str, elapsed_time, move_str, &ics_flip,
4366 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4367 DisplayError(str, 0);
4371 /* Convert the move number to internal form */
4372 moveNum = (moveNum - 1) * 2;
4373 if (to_play == 'B') moveNum++;
4374 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4375 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4381 case RELATION_OBSERVING_PLAYED:
4382 case RELATION_OBSERVING_STATIC:
4383 if (gamenum == -1) {
4384 /* Old ICC buglet */
4385 relation = RELATION_OBSERVING_STATIC;
4387 newGameMode = IcsObserving;
4389 case RELATION_PLAYING_MYMOVE:
4390 case RELATION_PLAYING_NOTMYMOVE:
4392 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4393 IcsPlayingWhite : IcsPlayingBlack;
4394 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4396 case RELATION_EXAMINING:
4397 newGameMode = IcsExamining;
4399 case RELATION_ISOLATED_BOARD:
4401 /* Just display this board. If user was doing something else,
4402 we will forget about it until the next board comes. */
4403 newGameMode = IcsIdle;
4405 case RELATION_STARTING_POSITION:
4406 newGameMode = gameMode;
4410 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4411 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4412 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4413 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4414 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4415 static int lastBgGame = -1;
4417 for (k = 0; k < ranks; k++) {
4418 for (j = 0; j < files; j++)
4419 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4420 if(gameInfo.holdingsWidth > 1) {
4421 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4422 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4425 CopyBoard(partnerBoard, board);
4426 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4427 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4428 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4429 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4430 if(toSqr = strchr(str, '-')) {
4431 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4432 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4433 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4434 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4435 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4436 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4438 DisplayWhiteClock(white_time*fac, to_play == 'W');
4439 DisplayBlackClock(black_time*fac, to_play != 'W');
4440 activePartner = to_play;
4441 if(gamenum != lastBgGame) {
4443 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4446 lastBgGame = gamenum;
4447 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4448 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4449 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4450 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4451 if(!twoBoards) DisplayMessage(partnerStatus, "");
4452 partnerBoardValid = TRUE;
4456 if(appData.dualBoard && appData.bgObserve) {
4457 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4458 SendToICS(ics_prefix), SendToICS("pobserve\n");
4459 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4461 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4466 /* Modify behavior for initial board display on move listing
4469 switch (ics_getting_history) {
4473 case H_GOT_REQ_HEADER:
4474 case H_GOT_UNREQ_HEADER:
4475 /* This is the initial position of the current game */
4476 gamenum = ics_gamenum;
4477 moveNum = 0; /* old ICS bug workaround */
4478 if (to_play == 'B') {
4479 startedFromSetupPosition = TRUE;
4480 blackPlaysFirst = TRUE;
4482 if (forwardMostMove == 0) forwardMostMove = 1;
4483 if (backwardMostMove == 0) backwardMostMove = 1;
4484 if (currentMove == 0) currentMove = 1;
4486 newGameMode = gameMode;
4487 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4489 case H_GOT_UNWANTED_HEADER:
4490 /* This is an initial board that we don't want */
4492 case H_GETTING_MOVES:
4493 /* Should not happen */
4494 DisplayError(_("Error gathering move list: extra board"), 0);
4495 ics_getting_history = H_FALSE;
4499 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4500 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4501 weird && (int)gameInfo.variant < (int)VariantShogi) {
4502 /* [HGM] We seem to have switched variant unexpectedly
4503 * Try to guess new variant from board size
4505 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4506 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4507 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4508 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4509 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4510 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4511 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4512 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4513 /* Get a move list just to see the header, which
4514 will tell us whether this is really bug or zh */
4515 if (ics_getting_history == H_FALSE) {
4516 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4517 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4522 /* Take action if this is the first board of a new game, or of a
4523 different game than is currently being displayed. */
4524 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4525 relation == RELATION_ISOLATED_BOARD) {
4527 /* Forget the old game and get the history (if any) of the new one */
4528 if (gameMode != BeginningOfGame) {
4532 if (appData.autoRaiseBoard) BoardToTop();
4534 if (gamenum == -1) {
4535 newGameMode = IcsIdle;
4536 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4537 appData.getMoveList && !reqFlag) {
4538 /* Need to get game history */
4539 ics_getting_history = H_REQUESTED;
4540 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4544 /* Initially flip the board to have black on the bottom if playing
4545 black or if the ICS flip flag is set, but let the user change
4546 it with the Flip View button. */
4547 flipView = appData.autoFlipView ?
4548 (newGameMode == IcsPlayingBlack) || ics_flip :
4551 /* Done with values from previous mode; copy in new ones */
4552 gameMode = newGameMode;
4554 ics_gamenum = gamenum;
4555 if (gamenum == gs_gamenum) {
4556 int klen = strlen(gs_kind);
4557 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4558 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4559 gameInfo.event = StrSave(str);
4561 gameInfo.event = StrSave("ICS game");
4563 gameInfo.site = StrSave(appData.icsHost);
4564 gameInfo.date = PGNDate();
4565 gameInfo.round = StrSave("-");
4566 gameInfo.white = StrSave(white);
4567 gameInfo.black = StrSave(black);
4568 timeControl = basetime * 60 * 1000;
4570 timeIncrement = increment * 1000;
4571 movesPerSession = 0;
4572 gameInfo.timeControl = TimeControlTagValue();
4573 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4574 if (appData.debugMode) {
4575 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4576 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4577 setbuf(debugFP, NULL);
4580 gameInfo.outOfBook = NULL;
4582 /* Do we have the ratings? */
4583 if (strcmp(player1Name, white) == 0 &&
4584 strcmp(player2Name, black) == 0) {
4585 if (appData.debugMode)
4586 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4587 player1Rating, player2Rating);
4588 gameInfo.whiteRating = player1Rating;
4589 gameInfo.blackRating = player2Rating;
4590 } else if (strcmp(player2Name, white) == 0 &&
4591 strcmp(player1Name, black) == 0) {
4592 if (appData.debugMode)
4593 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4594 player2Rating, player1Rating);
4595 gameInfo.whiteRating = player2Rating;
4596 gameInfo.blackRating = player1Rating;
4598 player1Name[0] = player2Name[0] = NULLCHAR;
4600 /* Silence shouts if requested */
4601 if (appData.quietPlay &&
4602 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4603 SendToICS(ics_prefix);
4604 SendToICS("set shout 0\n");
4608 /* Deal with midgame name changes */
4610 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4611 if (gameInfo.white) free(gameInfo.white);
4612 gameInfo.white = StrSave(white);
4614 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4615 if (gameInfo.black) free(gameInfo.black);
4616 gameInfo.black = StrSave(black);
4620 /* Throw away game result if anything actually changes in examine mode */
4621 if (gameMode == IcsExamining && !newGame) {
4622 gameInfo.result = GameUnfinished;
4623 if (gameInfo.resultDetails != NULL) {
4624 free(gameInfo.resultDetails);
4625 gameInfo.resultDetails = NULL;
4629 /* In pausing && IcsExamining mode, we ignore boards coming
4630 in if they are in a different variation than we are. */
4631 if (pauseExamInvalid) return;
4632 if (pausing && gameMode == IcsExamining) {
4633 if (moveNum <= pauseExamForwardMostMove) {
4634 pauseExamInvalid = TRUE;
4635 forwardMostMove = pauseExamForwardMostMove;
4640 if (appData.debugMode) {
4641 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4643 /* Parse the board */
4644 for (k = 0; k < ranks; k++) {
4645 for (j = 0; j < files; j++)
4646 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4647 if(gameInfo.holdingsWidth > 1) {
4648 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4649 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4652 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4653 board[5][BOARD_RGHT+1] = WhiteAngel;
4654 board[6][BOARD_RGHT+1] = WhiteMarshall;
4655 board[1][0] = BlackMarshall;
4656 board[2][0] = BlackAngel;
4657 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4659 CopyBoard(boards[moveNum], board);
4660 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4662 startedFromSetupPosition =
4663 !CompareBoards(board, initialPosition);
4664 if(startedFromSetupPosition)
4665 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4668 /* [HGM] Set castling rights. Take the outermost Rooks,
4669 to make it also work for FRC opening positions. Note that board12
4670 is really defective for later FRC positions, as it has no way to
4671 indicate which Rook can castle if they are on the same side of King.
4672 For the initial position we grant rights to the outermost Rooks,
4673 and remember thos rights, and we then copy them on positions
4674 later in an FRC game. This means WB might not recognize castlings with
4675 Rooks that have moved back to their original position as illegal,
4676 but in ICS mode that is not its job anyway.
4678 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4679 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4681 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4682 if(board[0][i] == WhiteRook) j = i;
4683 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4684 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4685 if(board[0][i] == WhiteRook) j = i;
4686 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4687 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4688 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4689 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4690 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4691 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4692 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4694 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4695 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4696 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4697 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4698 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4699 if(board[BOARD_HEIGHT-1][k] == bKing)
4700 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4701 if(gameInfo.variant == VariantTwoKings) {
4702 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4703 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4704 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4707 r = boards[moveNum][CASTLING][0] = initialRights[0];
4708 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4709 r = boards[moveNum][CASTLING][1] = initialRights[1];
4710 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4711 r = boards[moveNum][CASTLING][3] = initialRights[3];
4712 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4713 r = boards[moveNum][CASTLING][4] = initialRights[4];
4714 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4715 /* wildcastle kludge: always assume King has rights */
4716 r = boards[moveNum][CASTLING][2] = initialRights[2];
4717 r = boards[moveNum][CASTLING][5] = initialRights[5];
4719 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4720 boards[moveNum][EP_STATUS] = EP_NONE;
4721 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4722 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4723 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4726 if (ics_getting_history == H_GOT_REQ_HEADER ||
4727 ics_getting_history == H_GOT_UNREQ_HEADER) {
4728 /* This was an initial position from a move list, not
4729 the current position */
4733 /* Update currentMove and known move number limits */
4734 newMove = newGame || moveNum > forwardMostMove;
4737 forwardMostMove = backwardMostMove = currentMove = moveNum;
4738 if (gameMode == IcsExamining && moveNum == 0) {
4739 /* Workaround for ICS limitation: we are not told the wild
4740 type when starting to examine a game. But if we ask for
4741 the move list, the move list header will tell us */
4742 ics_getting_history = H_REQUESTED;
4743 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4746 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4747 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4749 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4750 /* [HGM] applied this also to an engine that is silently watching */
4751 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4752 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4753 gameInfo.variant == currentlyInitializedVariant) {
4754 takeback = forwardMostMove - moveNum;
4755 for (i = 0; i < takeback; i++) {
4756 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4757 SendToProgram("undo\n", &first);
4762 forwardMostMove = moveNum;
4763 if (!pausing || currentMove > forwardMostMove)
4764 currentMove = forwardMostMove;
4766 /* New part of history that is not contiguous with old part */
4767 if (pausing && gameMode == IcsExamining) {
4768 pauseExamInvalid = TRUE;
4769 forwardMostMove = pauseExamForwardMostMove;
4772 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4774 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4775 // [HGM] when we will receive the move list we now request, it will be
4776 // fed to the engine from the first move on. So if the engine is not
4777 // in the initial position now, bring it there.
4778 InitChessProgram(&first, 0);
4781 ics_getting_history = H_REQUESTED;
4782 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4785 forwardMostMove = backwardMostMove = currentMove = moveNum;
4788 /* Update the clocks */
4789 if (strchr(elapsed_time, '.')) {
4791 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4792 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4794 /* Time is in seconds */
4795 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4796 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4801 if (appData.zippyPlay && newGame &&
4802 gameMode != IcsObserving && gameMode != IcsIdle &&
4803 gameMode != IcsExamining)
4804 ZippyFirstBoard(moveNum, basetime, increment);
4807 /* Put the move on the move list, first converting
4808 to canonical algebraic form. */
4810 if (appData.debugMode) {
4811 int f = forwardMostMove;
4812 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4813 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4814 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4815 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4816 fprintf(debugFP, "moveNum = %d\n", moveNum);
4817 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4818 setbuf(debugFP, NULL);
4820 if (moveNum <= backwardMostMove) {
4821 /* We don't know what the board looked like before
4823 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4824 strcat(parseList[moveNum - 1], " ");
4825 strcat(parseList[moveNum - 1], elapsed_time);
4826 moveList[moveNum - 1][0] = NULLCHAR;
4827 } else if (strcmp(move_str, "none") == 0) {
4828 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4829 /* Again, we don't know what the board looked like;
4830 this is really the start of the game. */
4831 parseList[moveNum - 1][0] = NULLCHAR;
4832 moveList[moveNum - 1][0] = NULLCHAR;
4833 backwardMostMove = moveNum;
4834 startedFromSetupPosition = TRUE;
4835 fromX = fromY = toX = toY = -1;
4837 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4838 // So we parse the long-algebraic move string in stead of the SAN move
4839 int valid; char buf[MSG_SIZ], *prom;
4841 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4842 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4843 // str looks something like "Q/a1-a2"; kill the slash
4845 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4846 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4847 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4848 strcat(buf, prom); // long move lacks promo specification!
4849 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4850 if(appData.debugMode)
4851 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4852 safeStrCpy(move_str, buf, MSG_SIZ);
4854 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4855 &fromX, &fromY, &toX, &toY, &promoChar)
4856 || ParseOneMove(buf, moveNum - 1, &moveType,
4857 &fromX, &fromY, &toX, &toY, &promoChar);
4858 // end of long SAN patch
4860 (void) CoordsToAlgebraic(boards[moveNum - 1],
4861 PosFlags(moveNum - 1),
4862 fromY, fromX, toY, toX, promoChar,
4863 parseList[moveNum-1]);
4864 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4870 if(!IS_SHOGI(gameInfo.variant))
4871 strcat(parseList[moveNum - 1], "+");
4874 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4875 strcat(parseList[moveNum - 1], "#");
4878 strcat(parseList[moveNum - 1], " ");
4879 strcat(parseList[moveNum - 1], elapsed_time);
4880 /* currentMoveString is set as a side-effect of ParseOneMove */
4881 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4882 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4883 strcat(moveList[moveNum - 1], "\n");
4885 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4886 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4887 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4888 ChessSquare old, new = boards[moveNum][k][j];
4889 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4890 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4891 if(old == new) continue;
4892 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4893 else if(new == WhiteWazir || new == BlackWazir) {
4894 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4895 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4896 else boards[moveNum][k][j] = old; // preserve type of Gold
4897 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4898 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4901 /* Move from ICS was illegal!? Punt. */
4902 if (appData.debugMode) {
4903 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4904 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4906 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4907 strcat(parseList[moveNum - 1], " ");
4908 strcat(parseList[moveNum - 1], elapsed_time);
4909 moveList[moveNum - 1][0] = NULLCHAR;
4910 fromX = fromY = toX = toY = -1;
4913 if (appData.debugMode) {
4914 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4915 setbuf(debugFP, NULL);
4919 /* Send move to chess program (BEFORE animating it). */
4920 if (appData.zippyPlay && !newGame && newMove &&
4921 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4923 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4924 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4925 if (moveList[moveNum - 1][0] == NULLCHAR) {
4926 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4928 DisplayError(str, 0);
4930 if (first.sendTime) {
4931 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4933 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4934 if (firstMove && !bookHit) {
4936 if (first.useColors) {
4937 SendToProgram(gameMode == IcsPlayingWhite ?
4939 "black\ngo\n", &first);
4941 SendToProgram("go\n", &first);
4943 first.maybeThinking = TRUE;
4946 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4947 if (moveList[moveNum - 1][0] == NULLCHAR) {
4948 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4949 DisplayError(str, 0);
4951 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4952 SendMoveToProgram(moveNum - 1, &first);
4959 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4960 /* If move comes from a remote source, animate it. If it
4961 isn't remote, it will have already been animated. */
4962 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4963 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4965 if (!pausing && appData.highlightLastMove) {
4966 SetHighlights(fromX, fromY, toX, toY);
4970 /* Start the clocks */
4971 whiteFlag = blackFlag = FALSE;
4972 appData.clockMode = !(basetime == 0 && increment == 0);
4974 ics_clock_paused = TRUE;
4976 } else if (ticking == 1) {
4977 ics_clock_paused = FALSE;
4979 if (gameMode == IcsIdle ||
4980 relation == RELATION_OBSERVING_STATIC ||
4981 relation == RELATION_EXAMINING ||
4983 DisplayBothClocks();
4987 /* Display opponents and material strengths */
4988 if (gameInfo.variant != VariantBughouse &&
4989 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4990 if (tinyLayout || smallLayout) {
4991 if(gameInfo.variant == VariantNormal)
4992 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4993 gameInfo.white, white_stren, gameInfo.black, black_stren,
4994 basetime, increment);
4996 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4997 gameInfo.white, white_stren, gameInfo.black, black_stren,
4998 basetime, increment, (int) gameInfo.variant);
5000 if(gameInfo.variant == VariantNormal)
5001 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5002 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5003 basetime, increment);
5005 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5006 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5007 basetime, increment, VariantName(gameInfo.variant));
5010 if (appData.debugMode) {
5011 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5016 /* Display the board */
5017 if (!pausing && !appData.noGUI) {
5019 if (appData.premove)
5021 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5022 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5023 ClearPremoveHighlights();
5025 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5026 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5027 DrawPosition(j, boards[currentMove]);
5029 DisplayMove(moveNum - 1);
5030 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5031 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5032 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5033 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5037 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5039 if(bookHit) { // [HGM] book: simulate book reply
5040 static char bookMove[MSG_SIZ]; // a bit generous?
5042 programStats.nodes = programStats.depth = programStats.time =
5043 programStats.score = programStats.got_only_move = 0;
5044 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5046 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5047 strcat(bookMove, bookHit);
5048 HandleMachineMove(bookMove, &first);
5057 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5058 ics_getting_history = H_REQUESTED;
5059 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5065 SendToBoth (char *msg)
5066 { // to make it easy to keep two engines in step in dual analysis
5067 SendToProgram(msg, &first);
5068 if(second.analyzing) SendToProgram(msg, &second);
5072 AnalysisPeriodicEvent (int force)
5074 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5075 && !force) || !appData.periodicUpdates)
5078 /* Send . command to Crafty to collect stats */
5081 /* Don't send another until we get a response (this makes
5082 us stop sending to old Crafty's which don't understand
5083 the "." command (sending illegal cmds resets node count & time,
5084 which looks bad)) */
5085 programStats.ok_to_send = 0;
5089 ics_update_width (int new_width)
5091 ics_printf("set width %d\n", new_width);
5095 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5099 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5100 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5101 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5102 SendToProgram(buf, cps);
5105 // null move in variant where engine does not understand it (for analysis purposes)
5106 SendBoard(cps, moveNum + 1); // send position after move in stead.
5109 if (cps->useUsermove) {
5110 SendToProgram("usermove ", cps);
5114 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5115 int len = space - parseList[moveNum];
5116 memcpy(buf, parseList[moveNum], len);
5118 buf[len] = NULLCHAR;
5120 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5122 SendToProgram(buf, cps);
5124 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5125 AlphaRank(moveList[moveNum], 4);
5126 SendToProgram(moveList[moveNum], cps);
5127 AlphaRank(moveList[moveNum], 4); // and back
5129 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5130 * the engine. It would be nice to have a better way to identify castle
5132 if(appData.fischerCastling && cps->useOOCastle) {
5133 int fromX = moveList[moveNum][0] - AAA;
5134 int fromY = moveList[moveNum][1] - ONE;
5135 int toX = moveList[moveNum][2] - AAA;
5136 int toY = moveList[moveNum][3] - ONE;
5137 if((boards[moveNum][fromY][fromX] == WhiteKing
5138 && boards[moveNum][toY][toX] == WhiteRook)
5139 || (boards[moveNum][fromY][fromX] == BlackKing
5140 && boards[moveNum][toY][toX] == BlackRook)) {
5141 if(toX > fromX) SendToProgram("O-O\n", cps);
5142 else SendToProgram("O-O-O\n", cps);
5144 else SendToProgram(moveList[moveNum], cps);
5146 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5147 char *m = moveList[moveNum];
5148 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5149 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5152 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5154 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5158 SendToProgram(buf, cps);
5160 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5161 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5162 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5163 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5164 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5166 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5167 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5168 SendToProgram(buf, cps);
5170 else SendToProgram(moveList[moveNum], cps);
5171 /* End of additions by Tord */
5174 /* [HGM] setting up the opening has brought engine in force mode! */
5175 /* Send 'go' if we are in a mode where machine should play. */
5176 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5177 (gameMode == TwoMachinesPlay ||
5179 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5181 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5182 SendToProgram("go\n", cps);
5183 if (appData.debugMode) {
5184 fprintf(debugFP, "(extra)\n");
5187 setboardSpoiledMachineBlack = 0;
5191 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5193 char user_move[MSG_SIZ];
5196 if(gameInfo.variant == VariantSChess && promoChar) {
5197 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5198 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5199 } else suffix[0] = NULLCHAR;
5203 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5204 (int)moveType, fromX, fromY, toX, toY);
5205 DisplayError(user_move + strlen("say "), 0);
5207 case WhiteKingSideCastle:
5208 case BlackKingSideCastle:
5209 case WhiteQueenSideCastleWild:
5210 case BlackQueenSideCastleWild:
5212 case WhiteHSideCastleFR:
5213 case BlackHSideCastleFR:
5215 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5217 case WhiteQueenSideCastle:
5218 case BlackQueenSideCastle:
5219 case WhiteKingSideCastleWild:
5220 case BlackKingSideCastleWild:
5222 case WhiteASideCastleFR:
5223 case BlackASideCastleFR:
5225 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5227 case WhiteNonPromotion:
5228 case BlackNonPromotion:
5229 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5231 case WhitePromotion:
5232 case BlackPromotion:
5233 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5234 gameInfo.variant == VariantMakruk)
5235 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5236 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5237 PieceToChar(WhiteFerz));
5238 else if(gameInfo.variant == VariantGreat)
5239 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5240 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5241 PieceToChar(WhiteMan));
5243 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5244 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5250 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5251 ToUpper(PieceToChar((ChessSquare) fromX)),
5252 AAA + toX, ONE + toY);
5254 case IllegalMove: /* could be a variant we don't quite understand */
5255 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5257 case WhiteCapturesEnPassant:
5258 case BlackCapturesEnPassant:
5259 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5260 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5263 SendToICS(user_move);
5264 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5265 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5270 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5271 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5272 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5273 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5274 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5277 if(gameMode != IcsExamining) { // is this ever not the case?
5278 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5280 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5281 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5282 } else { // on FICS we must first go to general examine mode
5283 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5285 if(gameInfo.variant != VariantNormal) {
5286 // try figure out wild number, as xboard names are not always valid on ICS
5287 for(i=1; i<=36; i++) {
5288 snprintf(buf, MSG_SIZ, "wild/%d", i);
5289 if(StringToVariant(buf) == gameInfo.variant) break;
5291 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5292 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5293 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5294 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5295 SendToICS(ics_prefix);
5297 if(startedFromSetupPosition || backwardMostMove != 0) {
5298 fen = PositionToFEN(backwardMostMove, NULL, 1);
5299 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5300 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5302 } else { // FICS: everything has to set by separate bsetup commands
5303 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5304 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5306 if(!WhiteOnMove(backwardMostMove)) {
5307 SendToICS("bsetup tomove black\n");
5309 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5310 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5312 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5313 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5315 i = boards[backwardMostMove][EP_STATUS];
5316 if(i >= 0) { // set e.p.
5317 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5323 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5324 SendToICS("bsetup done\n"); // switch to normal examining.
5326 for(i = backwardMostMove; i<last; i++) {
5328 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5329 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5330 int len = strlen(moveList[i]);
5331 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5332 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5336 SendToICS(ics_prefix);
5337 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5340 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5344 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5346 if (rf == DROP_RANK) {
5347 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5348 sprintf(move, "%c@%c%c\n",
5349 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5351 if (promoChar == 'x' || promoChar == NULLCHAR) {
5352 sprintf(move, "%c%c%c%c\n",
5353 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5354 if(killX >= 0 && killY >= 0) {
5355 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5356 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + killX, ONE + killY);
5359 sprintf(move, "%c%c%c%c%c\n",
5360 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5366 ProcessICSInitScript (FILE *f)
5370 while (fgets(buf, MSG_SIZ, f)) {
5371 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5378 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5380 static ClickType lastClickType;
5383 Partner (ChessSquare *p)
5384 { // change piece into promotion partner if one shogi-promotes to the other
5385 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5386 ChessSquare partner;
5387 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5388 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5396 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5397 static int toggleFlag;
5398 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5399 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5400 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5401 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5402 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5403 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5405 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5406 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5407 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5408 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5409 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5410 if(!step) step = -1;
5411 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5412 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5413 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5414 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5416 int victim = boards[currentMove][toY][toX];
5417 boards[currentMove][toY][toX] = promoSweep;
5418 DrawPosition(FALSE, boards[currentMove]);
5419 boards[currentMove][toY][toX] = victim;
5421 ChangeDragPiece(promoSweep);
5425 PromoScroll (int x, int y)
5429 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5430 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5431 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5432 if(!step) return FALSE;
5433 lastX = x; lastY = y;
5434 if((promoSweep < BlackPawn) == flipView) step = -step;
5435 if(step > 0) selectFlag = 1;
5436 if(!selectFlag) Sweep(step);
5441 NextPiece (int step)
5443 ChessSquare piece = boards[currentMove][toY][toX];
5446 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5447 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5448 if(!step) step = -1;
5449 } while(PieceToChar(pieceSweep) == '.');
5450 boards[currentMove][toY][toX] = pieceSweep;
5451 DrawPosition(FALSE, boards[currentMove]);
5452 boards[currentMove][toY][toX] = piece;
5454 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5456 AlphaRank (char *move, int n)
5458 // char *p = move, c; int x, y;
5460 if (appData.debugMode) {
5461 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5465 move[2]>='0' && move[2]<='9' &&
5466 move[3]>='a' && move[3]<='x' ) {
5468 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5469 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5471 if(move[0]>='0' && move[0]<='9' &&
5472 move[1]>='a' && move[1]<='x' &&
5473 move[2]>='0' && move[2]<='9' &&
5474 move[3]>='a' && move[3]<='x' ) {
5475 /* input move, Shogi -> normal */
5476 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5477 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5478 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5479 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5482 move[3]>='0' && move[3]<='9' &&
5483 move[2]>='a' && move[2]<='x' ) {
5485 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5486 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5489 move[0]>='a' && move[0]<='x' &&
5490 move[3]>='0' && move[3]<='9' &&
5491 move[2]>='a' && move[2]<='x' ) {
5492 /* output move, normal -> Shogi */
5493 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5494 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5495 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5496 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5497 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5499 if (appData.debugMode) {
5500 fprintf(debugFP, " out = '%s'\n", move);
5504 char yy_textstr[8000];
5506 /* Parser for moves from gnuchess, ICS, or user typein box */
5508 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5510 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5512 switch (*moveType) {
5513 case WhitePromotion:
5514 case BlackPromotion:
5515 case WhiteNonPromotion:
5516 case BlackNonPromotion:
5519 case WhiteCapturesEnPassant:
5520 case BlackCapturesEnPassant:
5521 case WhiteKingSideCastle:
5522 case WhiteQueenSideCastle:
5523 case BlackKingSideCastle:
5524 case BlackQueenSideCastle:
5525 case WhiteKingSideCastleWild:
5526 case WhiteQueenSideCastleWild:
5527 case BlackKingSideCastleWild:
5528 case BlackQueenSideCastleWild:
5529 /* Code added by Tord: */
5530 case WhiteHSideCastleFR:
5531 case WhiteASideCastleFR:
5532 case BlackHSideCastleFR:
5533 case BlackASideCastleFR:
5534 /* End of code added by Tord */
5535 case IllegalMove: /* bug or odd chess variant */
5536 if(currentMoveString[1] == '@') { // illegal drop
5537 *fromX = WhiteOnMove(moveNum) ?
5538 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5539 (int) CharToPiece(ToLower(currentMoveString[0]));
5542 *fromX = currentMoveString[0] - AAA;
5543 *fromY = currentMoveString[1] - ONE;
5544 *toX = currentMoveString[2] - AAA;
5545 *toY = currentMoveString[3] - ONE;
5546 *promoChar = currentMoveString[4];
5547 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5548 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5549 if (appData.debugMode) {
5550 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5552 *fromX = *fromY = *toX = *toY = 0;
5555 if (appData.testLegality) {
5556 return (*moveType != IllegalMove);
5558 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5559 // [HGM] lion: if this is a double move we are less critical
5560 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5565 *fromX = *moveType == WhiteDrop ?
5566 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5567 (int) CharToPiece(ToLower(currentMoveString[0]));
5570 *toX = currentMoveString[2] - AAA;
5571 *toY = currentMoveString[3] - ONE;
5572 *promoChar = NULLCHAR;
5576 case ImpossibleMove:
5586 if (appData.debugMode) {
5587 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5590 *fromX = *fromY = *toX = *toY = 0;
5591 *promoChar = NULLCHAR;
5596 Boolean pushed = FALSE;
5597 char *lastParseAttempt;
5600 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5601 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5602 int fromX, fromY, toX, toY; char promoChar;
5607 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5608 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5609 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5612 endPV = forwardMostMove;
5614 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5615 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5616 lastParseAttempt = pv;
5617 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5618 if(!valid && nr == 0 &&
5619 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5620 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5621 // Hande case where played move is different from leading PV move
5622 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5623 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5624 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5625 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5626 endPV += 2; // if position different, keep this
5627 moveList[endPV-1][0] = fromX + AAA;
5628 moveList[endPV-1][1] = fromY + ONE;
5629 moveList[endPV-1][2] = toX + AAA;
5630 moveList[endPV-1][3] = toY + ONE;
5631 parseList[endPV-1][0] = NULLCHAR;
5632 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5635 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5636 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5637 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5638 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5639 valid++; // allow comments in PV
5643 if(endPV+1 > framePtr) break; // no space, truncate
5646 CopyBoard(boards[endPV], boards[endPV-1]);
5647 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5648 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5649 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5650 CoordsToAlgebraic(boards[endPV - 1],
5651 PosFlags(endPV - 1),
5652 fromY, fromX, toY, toX, promoChar,
5653 parseList[endPV - 1]);
5655 if(atEnd == 2) return; // used hidden, for PV conversion
5656 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5657 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5658 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5659 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5660 DrawPosition(TRUE, boards[currentMove]);
5664 MultiPV (ChessProgramState *cps)
5665 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5667 for(i=0; i<cps->nrOptions; i++)
5668 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5673 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5676 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5678 int startPV, multi, lineStart, origIndex = index;
5679 char *p, buf2[MSG_SIZ];
5680 ChessProgramState *cps = (pane ? &second : &first);
5682 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5683 lastX = x; lastY = y;
5684 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5685 lineStart = startPV = index;
5686 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5687 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5689 do{ while(buf[index] && buf[index] != '\n') index++;
5690 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5692 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5693 int n = cps->option[multi].value;
5694 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5695 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5696 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5697 cps->option[multi].value = n;
5700 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5701 ExcludeClick(origIndex - lineStart);
5703 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5704 Collapse(origIndex - lineStart);
5707 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5708 *start = startPV; *end = index-1;
5709 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5716 static char buf[10*MSG_SIZ];
5717 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5719 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5720 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5721 for(i = forwardMostMove; i<endPV; i++){
5722 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5723 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5726 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5727 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5728 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5734 LoadPV (int x, int y)
5735 { // called on right mouse click to load PV
5736 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5737 lastX = x; lastY = y;
5738 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5746 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5747 if(endPV < 0) return;
5748 if(appData.autoCopyPV) CopyFENToClipboard();
5750 if(extendGame && currentMove > forwardMostMove) {
5751 Boolean saveAnimate = appData.animate;
5753 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5754 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5755 } else storedGames--; // abandon shelved tail of original game
5758 forwardMostMove = currentMove;
5759 currentMove = oldFMM;
5760 appData.animate = FALSE;
5761 ToNrEvent(forwardMostMove);
5762 appData.animate = saveAnimate;
5764 currentMove = forwardMostMove;
5765 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5766 ClearPremoveHighlights();
5767 DrawPosition(TRUE, boards[currentMove]);
5771 MovePV (int x, int y, int h)
5772 { // step through PV based on mouse coordinates (called on mouse move)
5773 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5775 // we must somehow check if right button is still down (might be released off board!)
5776 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5777 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5778 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5780 lastX = x; lastY = y;
5782 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5783 if(endPV < 0) return;
5784 if(y < margin) step = 1; else
5785 if(y > h - margin) step = -1;
5786 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5787 currentMove += step;
5788 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5789 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5790 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5791 DrawPosition(FALSE, boards[currentMove]);
5795 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5796 // All positions will have equal probability, but the current method will not provide a unique
5797 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5803 int piecesLeft[(int)BlackPawn];
5804 int seed, nrOfShuffles;
5807 GetPositionNumber ()
5808 { // sets global variable seed
5811 seed = appData.defaultFrcPosition;
5812 if(seed < 0) { // randomize based on time for negative FRC position numbers
5813 for(i=0; i<50; i++) seed += random();
5814 seed = random() ^ random() >> 8 ^ random() << 8;
5815 if(seed<0) seed = -seed;
5820 put (Board board, int pieceType, int rank, int n, int shade)
5821 // put the piece on the (n-1)-th empty squares of the given shade
5825 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5826 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5827 board[rank][i] = (ChessSquare) pieceType;
5828 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5830 piecesLeft[pieceType]--;
5839 AddOnePiece (Board board, int pieceType, int rank, int shade)
5840 // calculate where the next piece goes, (any empty square), and put it there
5844 i = seed % squaresLeft[shade];
5845 nrOfShuffles *= squaresLeft[shade];
5846 seed /= squaresLeft[shade];
5847 put(board, pieceType, rank, i, shade);
5851 AddTwoPieces (Board board, int pieceType, int rank)
5852 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5854 int i, n=squaresLeft[ANY], j=n-1, k;
5856 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5857 i = seed % k; // pick one
5860 while(i >= j) i -= j--;
5861 j = n - 1 - j; i += j;
5862 put(board, pieceType, rank, j, ANY);
5863 put(board, pieceType, rank, i, ANY);
5867 SetUpShuffle (Board board, int number)
5871 GetPositionNumber(); nrOfShuffles = 1;
5873 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5874 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5875 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5877 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5879 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5880 p = (int) board[0][i];
5881 if(p < (int) BlackPawn) piecesLeft[p] ++;
5882 board[0][i] = EmptySquare;
5885 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5886 // shuffles restricted to allow normal castling put KRR first
5887 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5888 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5889 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5890 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5891 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5892 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5893 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5894 put(board, WhiteRook, 0, 0, ANY);
5895 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5898 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5899 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5900 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5901 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5902 while(piecesLeft[p] >= 2) {
5903 AddOnePiece(board, p, 0, LITE);
5904 AddOnePiece(board, p, 0, DARK);
5906 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5909 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5910 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5911 // but we leave King and Rooks for last, to possibly obey FRC restriction
5912 if(p == (int)WhiteRook) continue;
5913 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5914 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5917 // now everything is placed, except perhaps King (Unicorn) and Rooks
5919 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5920 // Last King gets castling rights
5921 while(piecesLeft[(int)WhiteUnicorn]) {
5922 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5923 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5926 while(piecesLeft[(int)WhiteKing]) {
5927 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5928 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5933 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5934 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5937 // Only Rooks can be left; simply place them all
5938 while(piecesLeft[(int)WhiteRook]) {
5939 i = put(board, WhiteRook, 0, 0, ANY);
5940 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5943 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5945 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5948 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5949 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5952 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5956 ptclen (const char *s, char *escapes)
5959 if(!*escapes) return strlen(s);
5960 while(*s) n += (*s != '/' && !strchr(escapes, *s)), s++;
5965 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
5966 /* [HGM] moved here from winboard.c because of its general usefulness */
5967 /* Basically a safe strcpy that uses the last character as King */
5969 int result = FALSE; int NrPieces, offs;
5971 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
5972 && NrPieces >= 12 && !(NrPieces&1)) {
5973 int i, j = 0; /* [HGM] Accept even length from 12 to 88 */
5975 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5976 for( i=offs=0; i<NrPieces/2-1; i++ ) {
5978 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
5979 table[i + offs] = map[j++];
5980 if(p = strchr(escapes, map[j])) j++, table[i + offs] += 64*(p - escapes + 1);
5982 table[(int) WhiteKing] = map[j++];
5983 for( i=offs=0; i<NrPieces/2-1; i++ ) {
5985 if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
5986 table[WHITE_TO_BLACK i + offs] = map[j++];
5987 if(p = strchr(escapes, map[j])) j++, table[WHITE_TO_BLACK i + offs] += 64*(p - escapes + 1);
5989 table[(int) BlackKing] = map[j++];
5998 SetCharTable (unsigned char *table, const char * map)
6000 return SetCharTableEsc(table, map, "");
6004 Prelude (Board board)
6005 { // [HGM] superchess: random selection of exo-pieces
6006 int i, j, k; ChessSquare p;
6007 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6009 GetPositionNumber(); // use FRC position number
6011 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6012 SetCharTable(pieceToChar, appData.pieceToCharTable);
6013 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6014 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6017 j = seed%4; seed /= 4;
6018 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6019 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6020 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6021 j = seed%3 + (seed%3 >= j); seed /= 3;
6022 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6023 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6024 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6025 j = seed%3; seed /= 3;
6026 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6027 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6028 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6029 j = seed%2 + (seed%2 >= j); seed /= 2;
6030 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6031 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6032 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6033 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6034 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6035 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6036 put(board, exoPieces[0], 0, 0, ANY);
6037 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6041 InitPosition (int redraw)
6043 ChessSquare (* pieces)[BOARD_FILES];
6044 int i, j, pawnRow=1, pieceRows=1, overrule,
6045 oldx = gameInfo.boardWidth,
6046 oldy = gameInfo.boardHeight,
6047 oldh = gameInfo.holdingsWidth;
6050 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6052 /* [AS] Initialize pv info list [HGM] and game status */
6054 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6055 pvInfoList[i].depth = 0;
6056 boards[i][EP_STATUS] = EP_NONE;
6057 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6060 initialRulePlies = 0; /* 50-move counter start */
6062 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6063 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6067 /* [HGM] logic here is completely changed. In stead of full positions */
6068 /* the initialized data only consist of the two backranks. The switch */
6069 /* selects which one we will use, which is than copied to the Board */
6070 /* initialPosition, which for the rest is initialized by Pawns and */
6071 /* empty squares. This initial position is then copied to boards[0], */
6072 /* possibly after shuffling, so that it remains available. */
6074 gameInfo.holdingsWidth = 0; /* default board sizes */
6075 gameInfo.boardWidth = 8;
6076 gameInfo.boardHeight = 8;
6077 gameInfo.holdingsSize = 0;
6078 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6079 for(i=0; i<BOARD_FILES-6; i++)
6080 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6081 initialPosition[EP_STATUS] = EP_NONE;
6082 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6083 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6084 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6085 SetCharTable(pieceNickName, appData.pieceNickNames);
6086 else SetCharTable(pieceNickName, "............");
6089 switch (gameInfo.variant) {
6090 case VariantFischeRandom:
6091 shuffleOpenings = TRUE;
6092 appData.fischerCastling = TRUE;
6095 case VariantShatranj:
6096 pieces = ShatranjArray;
6097 nrCastlingRights = 0;
6098 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6101 pieces = makrukArray;
6102 nrCastlingRights = 0;
6103 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6106 pieces = aseanArray;
6107 nrCastlingRights = 0;
6108 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6110 case VariantTwoKings:
6111 pieces = twoKingsArray;
6114 pieces = GrandArray;
6115 nrCastlingRights = 0;
6116 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6117 gameInfo.boardWidth = 10;
6118 gameInfo.boardHeight = 10;
6119 gameInfo.holdingsSize = 7;
6121 case VariantCapaRandom:
6122 shuffleOpenings = TRUE;
6123 appData.fischerCastling = TRUE;
6124 case VariantCapablanca:
6125 pieces = CapablancaArray;
6126 gameInfo.boardWidth = 10;
6127 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6130 pieces = GothicArray;
6131 gameInfo.boardWidth = 10;
6132 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6135 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6136 gameInfo.holdingsSize = 7;
6137 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6140 pieces = JanusArray;
6141 gameInfo.boardWidth = 10;
6142 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6143 nrCastlingRights = 6;
6144 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6145 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6146 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6147 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6148 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6149 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6152 pieces = FalconArray;
6153 gameInfo.boardWidth = 10;
6154 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6156 case VariantXiangqi:
6157 pieces = XiangqiArray;
6158 gameInfo.boardWidth = 9;
6159 gameInfo.boardHeight = 10;
6160 nrCastlingRights = 0;
6161 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6164 pieces = ShogiArray;
6165 gameInfo.boardWidth = 9;
6166 gameInfo.boardHeight = 9;
6167 gameInfo.holdingsSize = 7;
6168 nrCastlingRights = 0;
6169 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6172 pieces = ChuArray; pieceRows = 3;
6173 gameInfo.boardWidth = 12;
6174 gameInfo.boardHeight = 12;
6175 nrCastlingRights = 0;
6176 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN/+.++.++++++++++.+++++K"
6177 "p.brqsexogcathd.vmlifn/+.++.++++++++++.+++++k", SUFFIXES);
6179 case VariantCourier:
6180 pieces = CourierArray;
6181 gameInfo.boardWidth = 12;
6182 nrCastlingRights = 0;
6183 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6185 case VariantKnightmate:
6186 pieces = KnightmateArray;
6187 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6189 case VariantSpartan:
6190 pieces = SpartanArray;
6191 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6195 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6197 case VariantChuChess:
6198 pieces = ChuChessArray;
6199 gameInfo.boardWidth = 10;
6200 gameInfo.boardHeight = 10;
6201 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6204 pieces = fairyArray;
6205 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6208 pieces = GreatArray;
6209 gameInfo.boardWidth = 10;
6210 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6211 gameInfo.holdingsSize = 8;
6215 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6216 gameInfo.holdingsSize = 8;
6217 startedFromSetupPosition = TRUE;
6219 case VariantCrazyhouse:
6220 case VariantBughouse:
6222 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6223 gameInfo.holdingsSize = 5;
6225 case VariantWildCastle:
6227 /* !!?shuffle with kings guaranteed to be on d or e file */
6228 shuffleOpenings = 1;
6230 case VariantNoCastle:
6232 nrCastlingRights = 0;
6233 /* !!?unconstrained back-rank shuffle */
6234 shuffleOpenings = 1;
6239 if(appData.NrFiles >= 0) {
6240 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6241 gameInfo.boardWidth = appData.NrFiles;
6243 if(appData.NrRanks >= 0) {
6244 gameInfo.boardHeight = appData.NrRanks;
6246 if(appData.holdingsSize >= 0) {
6247 i = appData.holdingsSize;
6248 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6249 gameInfo.holdingsSize = i;
6251 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6252 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6253 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6255 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6256 if(pawnRow < 1) pawnRow = 1;
6257 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6258 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6259 if(gameInfo.variant == VariantChu) pawnRow = 3;
6261 /* User pieceToChar list overrules defaults */
6262 if(appData.pieceToCharTable != NULL)
6263 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6265 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6267 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6268 s = (ChessSquare) 0; /* account holding counts in guard band */
6269 for( i=0; i<BOARD_HEIGHT; i++ )
6270 initialPosition[i][j] = s;
6272 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6273 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6274 initialPosition[pawnRow][j] = WhitePawn;
6275 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6276 if(gameInfo.variant == VariantXiangqi) {
6278 initialPosition[pawnRow][j] =
6279 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6280 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6281 initialPosition[2][j] = WhiteCannon;
6282 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6286 if(gameInfo.variant == VariantChu) {
6287 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6288 initialPosition[pawnRow+1][j] = WhiteCobra,
6289 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6290 for(i=1; i<pieceRows; i++) {
6291 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6292 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6295 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6296 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6297 initialPosition[0][j] = WhiteRook;
6298 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6301 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6303 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6304 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6307 initialPosition[1][j] = WhiteBishop;
6308 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6310 initialPosition[1][j] = WhiteRook;
6311 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6314 if( nrCastlingRights == -1) {
6315 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6316 /* This sets default castling rights from none to normal corners */
6317 /* Variants with other castling rights must set them themselves above */
6318 nrCastlingRights = 6;
6320 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6321 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6322 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6323 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6324 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6325 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6328 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6329 if(gameInfo.variant == VariantGreat) { // promotion commoners
6330 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6331 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6332 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6333 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6335 if( gameInfo.variant == VariantSChess ) {
6336 initialPosition[1][0] = BlackMarshall;
6337 initialPosition[2][0] = BlackAngel;
6338 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6339 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6340 initialPosition[1][1] = initialPosition[2][1] =
6341 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6343 if (appData.debugMode) {
6344 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6346 if(shuffleOpenings) {
6347 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6348 startedFromSetupPosition = TRUE;
6350 if(startedFromPositionFile) {
6351 /* [HGM] loadPos: use PositionFile for every new game */
6352 CopyBoard(initialPosition, filePosition);
6353 for(i=0; i<nrCastlingRights; i++)
6354 initialRights[i] = filePosition[CASTLING][i];
6355 startedFromSetupPosition = TRUE;
6358 CopyBoard(boards[0], initialPosition);
6360 if(oldx != gameInfo.boardWidth ||
6361 oldy != gameInfo.boardHeight ||
6362 oldv != gameInfo.variant ||
6363 oldh != gameInfo.holdingsWidth
6365 InitDrawingSizes(-2 ,0);
6367 oldv = gameInfo.variant;
6369 DrawPosition(TRUE, boards[currentMove]);
6373 SendBoard (ChessProgramState *cps, int moveNum)
6375 char message[MSG_SIZ];
6377 if (cps->useSetboard) {
6378 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6379 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6380 SendToProgram(message, cps);
6385 int i, j, left=0, right=BOARD_WIDTH;
6386 /* Kludge to set black to move, avoiding the troublesome and now
6387 * deprecated "black" command.
6389 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6390 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6392 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6394 SendToProgram("edit\n", cps);
6395 SendToProgram("#\n", cps);
6396 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6397 bp = &boards[moveNum][i][left];
6398 for (j = left; j < right; j++, bp++) {
6399 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6400 if ((int) *bp < (int) BlackPawn) {
6401 if(j == BOARD_RGHT+1)
6402 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6403 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6404 if(message[0] == '+' || message[0] == '~') {
6405 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6406 PieceToChar((ChessSquare)(DEMOTED *bp)),
6407 AAA + j, ONE + i - '0');
6409 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6410 message[1] = BOARD_RGHT - 1 - j + '1';
6411 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6413 SendToProgram(message, cps);
6418 SendToProgram("c\n", cps);
6419 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6420 bp = &boards[moveNum][i][left];
6421 for (j = left; j < right; j++, bp++) {
6422 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6423 if (((int) *bp != (int) EmptySquare)
6424 && ((int) *bp >= (int) BlackPawn)) {
6425 if(j == BOARD_LEFT-2)
6426 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6427 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6428 AAA + j, ONE + i - '0');
6429 if(message[0] == '+' || message[0] == '~') {
6430 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6431 PieceToChar((ChessSquare)(DEMOTED *bp)),
6432 AAA + j, ONE + i - '0');
6434 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6435 message[1] = BOARD_RGHT - 1 - j + '1';
6436 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6438 SendToProgram(message, cps);
6443 SendToProgram(".\n", cps);
6445 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6448 char exclusionHeader[MSG_SIZ];
6449 int exCnt, excludePtr;
6450 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6451 static Exclusion excluTab[200];
6452 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6458 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6459 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6465 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6466 excludePtr = 24; exCnt = 0;
6471 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6472 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6473 char buf[2*MOVE_LEN], *p;
6474 Exclusion *e = excluTab;
6476 for(i=0; i<exCnt; i++)
6477 if(e[i].ff == fromX && e[i].fr == fromY &&
6478 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6479 if(i == exCnt) { // was not in exclude list; add it
6480 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6481 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6482 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6485 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6486 excludePtr++; e[i].mark = excludePtr++;
6487 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6490 exclusionHeader[e[i].mark] = state;
6494 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6495 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6499 if((signed char)promoChar == -1) { // kludge to indicate best move
6500 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6501 return 1; // if unparsable, abort
6503 // update exclusion map (resolving toggle by consulting existing state)
6504 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6506 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6507 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6508 excludeMap[k] |= 1<<j;
6509 else excludeMap[k] &= ~(1<<j);
6511 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6513 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6514 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6516 return (state == '+');
6520 ExcludeClick (int index)
6523 Exclusion *e = excluTab;
6524 if(index < 25) { // none, best or tail clicked
6525 if(index < 13) { // none: include all
6526 WriteMap(0); // clear map
6527 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6528 SendToBoth("include all\n"); // and inform engine
6529 } else if(index > 18) { // tail
6530 if(exclusionHeader[19] == '-') { // tail was excluded
6531 SendToBoth("include all\n");
6532 WriteMap(0); // clear map completely
6533 // now re-exclude selected moves
6534 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6535 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6536 } else { // tail was included or in mixed state
6537 SendToBoth("exclude all\n");
6538 WriteMap(0xFF); // fill map completely
6539 // now re-include selected moves
6540 j = 0; // count them
6541 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6542 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6543 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6546 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6549 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6550 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6551 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6558 DefaultPromoChoice (int white)
6561 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6562 gameInfo.variant == VariantMakruk)
6563 result = WhiteFerz; // no choice
6564 else if(gameInfo.variant == VariantASEAN)
6565 result = WhiteRook; // no choice
6566 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6567 result= WhiteKing; // in Suicide Q is the last thing we want
6568 else if(gameInfo.variant == VariantSpartan)
6569 result = white ? WhiteQueen : WhiteAngel;
6570 else result = WhiteQueen;
6571 if(!white) result = WHITE_TO_BLACK result;
6575 static int autoQueen; // [HGM] oneclick
6578 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6580 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6581 /* [HGM] add Shogi promotions */
6582 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6583 ChessSquare piece, partner;
6587 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6588 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6590 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6591 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6594 piece = boards[currentMove][fromY][fromX];
6595 if(gameInfo.variant == VariantChu) {
6596 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6597 promotionZoneSize = BOARD_HEIGHT/3;
6598 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6599 } else if(gameInfo.variant == VariantShogi) {
6600 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6601 highestPromotingPiece = (int)WhiteAlfil;
6602 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6603 promotionZoneSize = 3;
6606 // Treat Lance as Pawn when it is not representing Amazon or Lance
6607 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6608 if(piece == WhiteLance) piece = WhitePawn; else
6609 if(piece == BlackLance) piece = BlackPawn;
6612 // next weed out all moves that do not touch the promotion zone at all
6613 if((int)piece >= BlackPawn) {
6614 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6616 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6617 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6619 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6620 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6621 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6625 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6627 // weed out mandatory Shogi promotions
6628 if(gameInfo.variant == VariantShogi) {
6629 if(piece >= BlackPawn) {
6630 if(toY == 0 && piece == BlackPawn ||
6631 toY == 0 && piece == BlackQueen ||
6632 toY <= 1 && piece == BlackKnight) {
6637 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6638 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6639 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6646 // weed out obviously illegal Pawn moves
6647 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6648 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6649 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6650 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6651 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6652 // note we are not allowed to test for valid (non-)capture, due to premove
6655 // we either have a choice what to promote to, or (in Shogi) whether to promote
6656 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6657 gameInfo.variant == VariantMakruk) {
6658 ChessSquare p=BlackFerz; // no choice
6659 while(p < EmptySquare) { //but make sure we use piece that exists
6660 *promoChoice = PieceToChar(p++);
6661 if(*promoChoice != '.') break;
6665 // no sense asking what we must promote to if it is going to explode...
6666 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6667 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6670 // give caller the default choice even if we will not make it
6671 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6672 partner = piece; // pieces can promote if the pieceToCharTable says so
6673 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6674 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6675 if( sweepSelect && gameInfo.variant != VariantGreat
6676 && gameInfo.variant != VariantGrand
6677 && gameInfo.variant != VariantSuper) return FALSE;
6678 if(autoQueen) return FALSE; // predetermined
6680 // suppress promotion popup on illegal moves that are not premoves
6681 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6682 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6683 if(appData.testLegality && !premove) {
6684 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6685 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6686 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6687 if(moveType != WhitePromotion && moveType != BlackPromotion)
6695 InPalace (int row, int column)
6696 { /* [HGM] for Xiangqi */
6697 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6698 column < (BOARD_WIDTH + 4)/2 &&
6699 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6704 PieceForSquare (int x, int y)
6706 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6709 return boards[currentMove][y][x];
6713 OKToStartUserMove (int x, int y)
6715 ChessSquare from_piece;
6718 if (matchMode) return FALSE;
6719 if (gameMode == EditPosition) return TRUE;
6721 if (x >= 0 && y >= 0)
6722 from_piece = boards[currentMove][y][x];
6724 from_piece = EmptySquare;
6726 if (from_piece == EmptySquare) return FALSE;
6728 white_piece = (int)from_piece >= (int)WhitePawn &&
6729 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6733 case TwoMachinesPlay:
6741 case MachinePlaysWhite:
6742 case IcsPlayingBlack:
6743 if (appData.zippyPlay) return FALSE;
6745 DisplayMoveError(_("You are playing Black"));
6750 case MachinePlaysBlack:
6751 case IcsPlayingWhite:
6752 if (appData.zippyPlay) return FALSE;
6754 DisplayMoveError(_("You are playing White"));
6759 case PlayFromGameFile:
6760 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6762 if (!white_piece && WhiteOnMove(currentMove)) {
6763 DisplayMoveError(_("It is White's turn"));
6766 if (white_piece && !WhiteOnMove(currentMove)) {
6767 DisplayMoveError(_("It is Black's turn"));
6770 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6771 /* Editing correspondence game history */
6772 /* Could disallow this or prompt for confirmation */
6777 case BeginningOfGame:
6778 if (appData.icsActive) return FALSE;
6779 if (!appData.noChessProgram) {
6781 DisplayMoveError(_("You are playing White"));
6788 if (!white_piece && WhiteOnMove(currentMove)) {
6789 DisplayMoveError(_("It is White's turn"));
6792 if (white_piece && !WhiteOnMove(currentMove)) {
6793 DisplayMoveError(_("It is Black's turn"));
6802 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6803 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6804 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6805 && gameMode != AnalyzeFile && gameMode != Training) {
6806 DisplayMoveError(_("Displayed position is not current"));
6813 OnlyMove (int *x, int *y, Boolean captures)
6815 DisambiguateClosure cl;
6816 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6818 case MachinePlaysBlack:
6819 case IcsPlayingWhite:
6820 case BeginningOfGame:
6821 if(!WhiteOnMove(currentMove)) return FALSE;
6823 case MachinePlaysWhite:
6824 case IcsPlayingBlack:
6825 if(WhiteOnMove(currentMove)) return FALSE;
6832 cl.pieceIn = EmptySquare;
6837 cl.promoCharIn = NULLCHAR;
6838 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6839 if( cl.kind == NormalMove ||
6840 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6841 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6842 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6849 if(cl.kind != ImpossibleMove) return FALSE;
6850 cl.pieceIn = EmptySquare;
6855 cl.promoCharIn = NULLCHAR;
6856 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6857 if( cl.kind == NormalMove ||
6858 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6859 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6860 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6865 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6871 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6872 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6873 int lastLoadGameUseList = FALSE;
6874 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6875 ChessMove lastLoadGameStart = EndOfFile;
6877 Boolean addToBookFlag;
6880 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6884 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6886 /* Check if the user is playing in turn. This is complicated because we
6887 let the user "pick up" a piece before it is his turn. So the piece he
6888 tried to pick up may have been captured by the time he puts it down!
6889 Therefore we use the color the user is supposed to be playing in this
6890 test, not the color of the piece that is currently on the starting
6891 square---except in EditGame mode, where the user is playing both
6892 sides; fortunately there the capture race can't happen. (It can
6893 now happen in IcsExamining mode, but that's just too bad. The user
6894 will get a somewhat confusing message in that case.)
6899 case TwoMachinesPlay:
6903 /* We switched into a game mode where moves are not accepted,
6904 perhaps while the mouse button was down. */
6907 case MachinePlaysWhite:
6908 /* User is moving for Black */
6909 if (WhiteOnMove(currentMove)) {
6910 DisplayMoveError(_("It is White's turn"));
6915 case MachinePlaysBlack:
6916 /* User is moving for White */
6917 if (!WhiteOnMove(currentMove)) {
6918 DisplayMoveError(_("It is Black's turn"));
6923 case PlayFromGameFile:
6924 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6927 case BeginningOfGame:
6930 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6931 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6932 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6933 /* User is moving for Black */
6934 if (WhiteOnMove(currentMove)) {
6935 DisplayMoveError(_("It is White's turn"));
6939 /* User is moving for White */
6940 if (!WhiteOnMove(currentMove)) {
6941 DisplayMoveError(_("It is Black's turn"));
6947 case IcsPlayingBlack:
6948 /* User is moving for Black */
6949 if (WhiteOnMove(currentMove)) {
6950 if (!appData.premove) {
6951 DisplayMoveError(_("It is White's turn"));
6952 } else if (toX >= 0 && toY >= 0) {
6955 premoveFromX = fromX;
6956 premoveFromY = fromY;
6957 premovePromoChar = promoChar;
6959 if (appData.debugMode)
6960 fprintf(debugFP, "Got premove: fromX %d,"
6961 "fromY %d, toX %d, toY %d\n",
6962 fromX, fromY, toX, toY);
6968 case IcsPlayingWhite:
6969 /* User is moving for White */
6970 if (!WhiteOnMove(currentMove)) {
6971 if (!appData.premove) {
6972 DisplayMoveError(_("It is Black's turn"));
6973 } else if (toX >= 0 && toY >= 0) {
6976 premoveFromX = fromX;
6977 premoveFromY = fromY;
6978 premovePromoChar = promoChar;
6980 if (appData.debugMode)
6981 fprintf(debugFP, "Got premove: fromX %d,"
6982 "fromY %d, toX %d, toY %d\n",
6983 fromX, fromY, toX, toY);
6993 /* EditPosition, empty square, or different color piece;
6994 click-click move is possible */
6995 if (toX == -2 || toY == -2) {
6996 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
6997 DrawPosition(FALSE, boards[currentMove]);
6999 } else if (toX >= 0 && toY >= 0) {
7000 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7001 ChessSquare q, p = boards[0][rf][ff];
7002 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
7003 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
7004 else p = CHUDEMOTED (q = boards[0][rf][ff]);
7005 if(PieceToChar(q) == '+') gatingPiece = p;
7007 boards[0][toY][toX] = boards[0][fromY][fromX];
7008 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7009 if(boards[0][fromY][0] != EmptySquare) {
7010 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7011 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7014 if(fromX == BOARD_RGHT+1) {
7015 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7016 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7017 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7020 boards[0][fromY][fromX] = gatingPiece;
7021 DrawPosition(FALSE, boards[currentMove]);
7027 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7028 pup = boards[currentMove][toY][toX];
7030 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7031 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7032 if( pup != EmptySquare ) return;
7033 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7034 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7035 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7036 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7037 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7038 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7039 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7043 /* [HGM] always test for legality, to get promotion info */
7044 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7045 fromY, fromX, toY, toX, promoChar);
7047 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7049 /* [HGM] but possibly ignore an IllegalMove result */
7050 if (appData.testLegality) {
7051 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7052 DisplayMoveError(_("Illegal move"));
7057 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7058 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7059 ClearPremoveHighlights(); // was included
7060 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7064 if(addToBookFlag) { // adding moves to book
7065 char buf[MSG_SIZ], move[MSG_SIZ];
7066 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7067 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d", fromX + AAA, fromY + ONE - '0', killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0');
7068 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7070 addToBookFlag = FALSE;
7075 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7078 /* Common tail of UserMoveEvent and DropMenuEvent */
7080 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7084 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7085 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7086 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7087 if(WhiteOnMove(currentMove)) {
7088 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7090 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7094 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7095 move type in caller when we know the move is a legal promotion */
7096 if(moveType == NormalMove && promoChar)
7097 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7099 /* [HGM] <popupFix> The following if has been moved here from
7100 UserMoveEvent(). Because it seemed to belong here (why not allow
7101 piece drops in training games?), and because it can only be
7102 performed after it is known to what we promote. */
7103 if (gameMode == Training) {
7104 /* compare the move played on the board to the next move in the
7105 * game. If they match, display the move and the opponent's response.
7106 * If they don't match, display an error message.
7110 CopyBoard(testBoard, boards[currentMove]);
7111 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7113 if (CompareBoards(testBoard, boards[currentMove+1])) {
7114 ForwardInner(currentMove+1);
7116 /* Autoplay the opponent's response.
7117 * if appData.animate was TRUE when Training mode was entered,
7118 * the response will be animated.
7120 saveAnimate = appData.animate;
7121 appData.animate = animateTraining;
7122 ForwardInner(currentMove+1);
7123 appData.animate = saveAnimate;
7125 /* check for the end of the game */
7126 if (currentMove >= forwardMostMove) {
7127 gameMode = PlayFromGameFile;
7129 SetTrainingModeOff();
7130 DisplayInformation(_("End of game"));
7133 DisplayError(_("Incorrect move"), 0);
7138 /* Ok, now we know that the move is good, so we can kill
7139 the previous line in Analysis Mode */
7140 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7141 && currentMove < forwardMostMove) {
7142 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7143 else forwardMostMove = currentMove;
7148 /* If we need the chess program but it's dead, restart it */
7149 ResurrectChessProgram();
7151 /* A user move restarts a paused game*/
7155 thinkOutput[0] = NULLCHAR;
7157 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7159 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7160 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7164 if (gameMode == BeginningOfGame) {
7165 if (appData.noChessProgram) {
7166 gameMode = EditGame;
7170 gameMode = MachinePlaysBlack;
7173 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7175 if (first.sendName) {
7176 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7177 SendToProgram(buf, &first);
7184 /* Relay move to ICS or chess engine */
7185 if (appData.icsActive) {
7186 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7187 gameMode == IcsExamining) {
7188 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7189 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7191 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7193 // also send plain move, in case ICS does not understand atomic claims
7194 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7198 if (first.sendTime && (gameMode == BeginningOfGame ||
7199 gameMode == MachinePlaysWhite ||
7200 gameMode == MachinePlaysBlack)) {
7201 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7203 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7204 // [HGM] book: if program might be playing, let it use book
7205 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7206 first.maybeThinking = TRUE;
7207 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7208 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7209 SendBoard(&first, currentMove+1);
7210 if(second.analyzing) {
7211 if(!second.useSetboard) SendToProgram("undo\n", &second);
7212 SendBoard(&second, currentMove+1);
7215 SendMoveToProgram(forwardMostMove-1, &first);
7216 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7218 if (currentMove == cmailOldMove + 1) {
7219 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7223 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7227 if(appData.testLegality)
7228 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7234 if (WhiteOnMove(currentMove)) {
7235 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7237 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7241 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7246 case MachinePlaysBlack:
7247 case MachinePlaysWhite:
7248 /* disable certain menu options while machine is thinking */
7249 SetMachineThinkingEnables();
7256 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7257 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7259 if(bookHit) { // [HGM] book: simulate book reply
7260 static char bookMove[MSG_SIZ]; // a bit generous?
7262 programStats.nodes = programStats.depth = programStats.time =
7263 programStats.score = programStats.got_only_move = 0;
7264 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7266 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7267 strcat(bookMove, bookHit);
7268 HandleMachineMove(bookMove, &first);
7274 MarkByFEN(char *fen)
7277 if(!appData.markers || !appData.highlightDragging) return;
7278 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7279 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7283 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7284 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7285 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7286 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7287 if(*fen == 'T') marker[r][f++] = 0; else
7288 if(*fen == 'Y') marker[r][f++] = 1; else
7289 if(*fen == 'G') marker[r][f++] = 3; else
7290 if(*fen == 'B') marker[r][f++] = 4; else
7291 if(*fen == 'C') marker[r][f++] = 5; else
7292 if(*fen == 'M') marker[r][f++] = 6; else
7293 if(*fen == 'W') marker[r][f++] = 7; else
7294 if(*fen == 'D') marker[r][f++] = 8; else
7295 if(*fen == 'R') marker[r][f++] = 2; else {
7296 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7299 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7303 DrawPosition(TRUE, NULL);
7306 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7309 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7311 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7312 Markers *m = (Markers *) closure;
7313 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7314 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7315 || kind == WhiteCapturesEnPassant
7316 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1;
7317 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
7320 static int hoverSavedValid;
7323 MarkTargetSquares (int clear)
7326 if(clear) { // no reason to ever suppress clearing
7327 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7328 hoverSavedValid = 0;
7329 if(!sum) return; // nothing was cleared,no redraw needed
7332 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7333 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7334 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7335 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7336 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7338 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7341 DrawPosition(FALSE, NULL);
7345 Explode (Board board, int fromX, int fromY, int toX, int toY)
7347 if(gameInfo.variant == VariantAtomic &&
7348 (board[toY][toX] != EmptySquare || // capture?
7349 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7350 board[fromY][fromX] == BlackPawn )
7352 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7358 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7361 CanPromote (ChessSquare piece, int y)
7363 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7364 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7365 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7366 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7367 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7368 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7369 gameInfo.variant == VariantMakruk) return FALSE;
7370 return (piece == BlackPawn && y <= zone ||
7371 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7372 piece == BlackLance && y <= zone ||
7373 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7377 HoverEvent (int xPix, int yPix, int x, int y)
7379 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7381 if(!first.highlight) return;
7382 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7383 if(x == oldX && y == oldY) return; // only do something if we enter new square
7384 oldFromX = fromX; oldFromY = fromY;
7385 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7386 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7387 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7388 hoverSavedValid = 1;
7389 } else if(oldX != x || oldY != y) {
7390 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7391 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7392 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7393 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7394 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7396 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7397 SendToProgram(buf, &first);
7400 // SetHighlights(fromX, fromY, x, y);
7404 void ReportClick(char *action, int x, int y)
7406 char buf[MSG_SIZ]; // Inform engine of what user does
7408 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7409 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7410 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7411 if(!first.highlight || gameMode == EditPosition) return;
7412 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7413 SendToProgram(buf, &first);
7416 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7419 LeftClick (ClickType clickType, int xPix, int yPix)
7422 Boolean saveAnimate;
7423 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7424 char promoChoice = NULLCHAR;
7426 static TimeMark lastClickTime, prevClickTime;
7428 x = EventToSquare(xPix, BOARD_WIDTH);
7429 y = EventToSquare(yPix, BOARD_HEIGHT);
7430 if (!flipView && y >= 0) {
7431 y = BOARD_HEIGHT - 1 - y;
7433 if (flipView && x >= 0) {
7434 x = BOARD_WIDTH - 1 - x;
7437 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7439 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7444 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7446 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7448 if (clickType == Press) ErrorPopDown();
7449 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7451 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7452 defaultPromoChoice = promoSweep;
7453 promoSweep = EmptySquare; // terminate sweep
7454 promoDefaultAltered = TRUE;
7455 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7458 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7459 if(clickType == Release) return; // ignore upclick of click-click destination
7460 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7461 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7462 if(gameInfo.holdingsWidth &&
7463 (WhiteOnMove(currentMove)
7464 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7465 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7466 // click in right holdings, for determining promotion piece
7467 ChessSquare p = boards[currentMove][y][x];
7468 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7469 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7470 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7471 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7476 DrawPosition(FALSE, boards[currentMove]);
7480 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7481 if(clickType == Press
7482 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7483 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7484 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7487 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7488 // could be static click on premove from-square: abort premove
7490 ClearPremoveHighlights();
7493 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7494 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7496 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7497 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7498 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7499 defaultPromoChoice = DefaultPromoChoice(side);
7502 autoQueen = appData.alwaysPromoteToQueen;
7506 gatingPiece = EmptySquare;
7507 if (clickType != Press) {
7508 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7509 DragPieceEnd(xPix, yPix); dragging = 0;
7510 DrawPosition(FALSE, NULL);
7514 doubleClick = FALSE;
7515 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7516 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7518 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7519 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7520 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7521 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7523 if (OKToStartUserMove(fromX, fromY)) {
7525 ReportClick("lift", x, y);
7526 MarkTargetSquares(0);
7527 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7528 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7529 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7530 promoSweep = defaultPromoChoice;
7531 selectFlag = 0; lastX = xPix; lastY = yPix;
7532 Sweep(0); // Pawn that is going to promote: preview promotion piece
7533 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7535 if (appData.highlightDragging) {
7536 SetHighlights(fromX, fromY, -1, -1);
7540 } else fromX = fromY = -1;
7546 if (clickType == Press && gameMode != EditPosition) {
7551 // ignore off-board to clicks
7552 if(y < 0 || x < 0) return;
7554 /* Check if clicking again on the same color piece */
7555 fromP = boards[currentMove][fromY][fromX];
7556 toP = boards[currentMove][y][x];
7557 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7558 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7559 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7560 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7561 WhitePawn <= toP && toP <= WhiteKing &&
7562 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7563 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7564 (BlackPawn <= fromP && fromP <= BlackKing &&
7565 BlackPawn <= toP && toP <= BlackKing &&
7566 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7567 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7568 /* Clicked again on same color piece -- changed his mind */
7569 second = (x == fromX && y == fromY);
7571 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7572 second = FALSE; // first double-click rather than scond click
7573 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7575 promoDefaultAltered = FALSE;
7576 MarkTargetSquares(1);
7577 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7578 if (appData.highlightDragging) {
7579 SetHighlights(x, y, -1, -1);
7583 if (OKToStartUserMove(x, y)) {
7584 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7585 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7586 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7587 gatingPiece = boards[currentMove][fromY][fromX];
7588 else gatingPiece = doubleClick ? fromP : EmptySquare;
7590 fromY = y; dragging = 1;
7591 if(!second) ReportClick("lift", x, y);
7592 MarkTargetSquares(0);
7593 DragPieceBegin(xPix, yPix, FALSE);
7594 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7595 promoSweep = defaultPromoChoice;
7596 selectFlag = 0; lastX = xPix; lastY = yPix;
7597 Sweep(0); // Pawn that is going to promote: preview promotion piece
7601 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7604 // ignore clicks on holdings
7605 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7608 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7609 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7610 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7614 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7615 DragPieceEnd(xPix, yPix); dragging = 0;
7617 // a deferred attempt to click-click move an empty square on top of a piece
7618 boards[currentMove][y][x] = EmptySquare;
7620 DrawPosition(FALSE, boards[currentMove]);
7621 fromX = fromY = -1; clearFlag = 0;
7624 if (appData.animateDragging) {
7625 /* Undo animation damage if any */
7626 DrawPosition(FALSE, NULL);
7629 /* Second up/down in same square; just abort move */
7632 gatingPiece = EmptySquare;
7633 MarkTargetSquares(1);
7636 ClearPremoveHighlights();
7638 /* First upclick in same square; start click-click mode */
7639 SetHighlights(x, y, -1, -1);
7646 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7647 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7648 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7649 DisplayMessage(_("only marked squares are legal"),"");
7650 DrawPosition(TRUE, NULL);
7651 return; // ignore to-click
7654 /* we now have a different from- and (possibly off-board) to-square */
7655 /* Completed move */
7656 if(!sweepSelecting) {
7661 piece = boards[currentMove][fromY][fromX];
7663 saveAnimate = appData.animate;
7664 if (clickType == Press) {
7665 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7666 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7667 // must be Edit Position mode with empty-square selected
7668 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7669 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7672 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7675 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7676 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7678 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7679 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7680 if(appData.sweepSelect) {
7681 promoSweep = defaultPromoChoice;
7682 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7683 selectFlag = 0; lastX = xPix; lastY = yPix;
7684 Sweep(0); // Pawn that is going to promote: preview promotion piece
7686 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7687 MarkTargetSquares(1);
7689 return; // promo popup appears on up-click
7691 /* Finish clickclick move */
7692 if (appData.animate || appData.highlightLastMove) {
7693 SetHighlights(fromX, fromY, toX, toY);
7697 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7698 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7699 if (appData.animate || appData.highlightLastMove) {
7700 SetHighlights(fromX, fromY, toX, toY);
7706 // [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
7707 /* Finish drag move */
7708 if (appData.highlightLastMove) {
7709 SetHighlights(fromX, fromY, toX, toY);
7714 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7715 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7716 dragging *= 2; // flag button-less dragging if we are dragging
7717 MarkTargetSquares(1);
7718 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7720 kill2X = killX; kill2Y = killY;
7721 killX = x; killY = y; //remeber this square as intermediate
7722 ReportClick("put", x, y); // and inform engine
7723 ReportClick("lift", x, y);
7724 MarkTargetSquares(0);
7728 DragPieceEnd(xPix, yPix); dragging = 0;
7729 /* Don't animate move and drag both */
7730 appData.animate = FALSE;
7733 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7734 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7735 ChessSquare piece = boards[currentMove][fromY][fromX];
7736 if(gameMode == EditPosition && piece != EmptySquare &&
7737 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7740 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7741 n = PieceToNumber(piece - (int)BlackPawn);
7742 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7743 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7744 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7746 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7747 n = PieceToNumber(piece);
7748 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7749 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7750 boards[currentMove][n][BOARD_WIDTH-2]++;
7752 boards[currentMove][fromY][fromX] = EmptySquare;
7756 MarkTargetSquares(1);
7757 DrawPosition(TRUE, boards[currentMove]);
7761 // off-board moves should not be highlighted
7762 if(x < 0 || y < 0) ClearHighlights();
7763 else ReportClick("put", x, y);
7765 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7767 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7769 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7770 SetHighlights(fromX, fromY, toX, toY);
7771 MarkTargetSquares(1);
7772 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7773 // [HGM] super: promotion to captured piece selected from holdings
7774 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7775 promotionChoice = TRUE;
7776 // kludge follows to temporarily execute move on display, without promoting yet
7777 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7778 boards[currentMove][toY][toX] = p;
7779 DrawPosition(FALSE, boards[currentMove]);
7780 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7781 boards[currentMove][toY][toX] = q;
7782 DisplayMessage("Click in holdings to choose piece", "");
7785 PromotionPopUp(promoChoice);
7787 int oldMove = currentMove;
7788 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7789 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7790 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7791 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7792 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7793 DrawPosition(TRUE, boards[currentMove]);
7794 MarkTargetSquares(1);
7797 appData.animate = saveAnimate;
7798 if (appData.animate || appData.animateDragging) {
7799 /* Undo animation damage if needed */
7800 DrawPosition(FALSE, NULL);
7805 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7806 { // front-end-free part taken out of PieceMenuPopup
7807 int whichMenu; int xSqr, ySqr;
7809 if(seekGraphUp) { // [HGM] seekgraph
7810 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7811 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7815 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7816 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7817 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7818 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7819 if(action == Press) {
7820 originalFlip = flipView;
7821 flipView = !flipView; // temporarily flip board to see game from partners perspective
7822 DrawPosition(TRUE, partnerBoard);
7823 DisplayMessage(partnerStatus, "");
7825 } else if(action == Release) {
7826 flipView = originalFlip;
7827 DrawPosition(TRUE, boards[currentMove]);
7833 xSqr = EventToSquare(x, BOARD_WIDTH);
7834 ySqr = EventToSquare(y, BOARD_HEIGHT);
7835 if (action == Release) {
7836 if(pieceSweep != EmptySquare) {
7837 EditPositionMenuEvent(pieceSweep, toX, toY);
7838 pieceSweep = EmptySquare;
7839 } else UnLoadPV(); // [HGM] pv
7841 if (action != Press) return -2; // return code to be ignored
7844 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7846 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7847 if (xSqr < 0 || ySqr < 0) return -1;
7848 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7849 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7850 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7851 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7855 if(!appData.icsEngineAnalyze) return -1;
7856 case IcsPlayingWhite:
7857 case IcsPlayingBlack:
7858 if(!appData.zippyPlay) goto noZip;
7861 case MachinePlaysWhite:
7862 case MachinePlaysBlack:
7863 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7864 if (!appData.dropMenu) {
7866 return 2; // flag front-end to grab mouse events
7868 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7869 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7872 if (xSqr < 0 || ySqr < 0) return -1;
7873 if (!appData.dropMenu || appData.testLegality &&
7874 gameInfo.variant != VariantBughouse &&
7875 gameInfo.variant != VariantCrazyhouse) return -1;
7876 whichMenu = 1; // drop menu
7882 if (((*fromX = xSqr) < 0) ||
7883 ((*fromY = ySqr) < 0)) {
7884 *fromX = *fromY = -1;
7888 *fromX = BOARD_WIDTH - 1 - *fromX;
7890 *fromY = BOARD_HEIGHT - 1 - *fromY;
7896 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7898 // char * hint = lastHint;
7899 FrontEndProgramStats stats;
7901 stats.which = cps == &first ? 0 : 1;
7902 stats.depth = cpstats->depth;
7903 stats.nodes = cpstats->nodes;
7904 stats.score = cpstats->score;
7905 stats.time = cpstats->time;
7906 stats.pv = cpstats->movelist;
7907 stats.hint = lastHint;
7908 stats.an_move_index = 0;
7909 stats.an_move_count = 0;
7911 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7912 stats.hint = cpstats->move_name;
7913 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7914 stats.an_move_count = cpstats->nr_moves;
7917 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
7919 SetProgramStats( &stats );
7923 ClearEngineOutputPane (int which)
7925 static FrontEndProgramStats dummyStats;
7926 dummyStats.which = which;
7927 dummyStats.pv = "#";
7928 SetProgramStats( &dummyStats );
7931 #define MAXPLAYERS 500
7934 TourneyStandings (int display)
7936 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7937 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7938 char result, *p, *names[MAXPLAYERS];
7940 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7941 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7942 names[0] = p = strdup(appData.participants);
7943 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7945 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7947 while(result = appData.results[nr]) {
7948 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7949 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7950 wScore = bScore = 0;
7952 case '+': wScore = 2; break;
7953 case '-': bScore = 2; break;
7954 case '=': wScore = bScore = 1; break;
7956 case '*': return strdup("busy"); // tourney not finished
7964 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7965 for(w=0; w<nPlayers; w++) {
7967 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7968 ranking[w] = b; points[w] = bScore; score[b] = -2;
7970 p = malloc(nPlayers*34+1);
7971 for(w=0; w<nPlayers && w<display; w++)
7972 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7978 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7979 { // count all piece types
7981 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7982 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7983 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7986 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7987 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7988 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7989 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7990 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7991 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7996 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7998 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7999 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8001 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8002 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8003 if(myPawns == 2 && nMine == 3) // KPP
8004 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8005 if(myPawns == 1 && nMine == 2) // KP
8006 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8007 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8008 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8009 if(myPawns) return FALSE;
8010 if(pCnt[WhiteRook+side])
8011 return pCnt[BlackRook-side] ||
8012 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8013 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8014 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8015 if(pCnt[WhiteCannon+side]) {
8016 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8017 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8019 if(pCnt[WhiteKnight+side])
8020 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8025 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8027 VariantClass v = gameInfo.variant;
8029 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8030 if(v == VariantShatranj) return TRUE; // always winnable through baring
8031 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8032 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8034 if(v == VariantXiangqi) {
8035 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8037 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8038 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8039 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8040 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8041 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8042 if(stale) // we have at least one last-rank P plus perhaps C
8043 return majors // KPKX
8044 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8046 return pCnt[WhiteFerz+side] // KCAK
8047 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8048 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8049 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8051 } else if(v == VariantKnightmate) {
8052 if(nMine == 1) return FALSE;
8053 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8054 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8055 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8057 if(nMine == 1) return FALSE; // bare King
8058 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
8059 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8060 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8061 // by now we have King + 1 piece (or multiple Bishops on the same color)
8062 if(pCnt[WhiteKnight+side])
8063 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8064 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8065 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8067 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8068 if(pCnt[WhiteAlfil+side])
8069 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8070 if(pCnt[WhiteWazir+side])
8071 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8078 CompareWithRights (Board b1, Board b2)
8081 if(!CompareBoards(b1, b2)) return FALSE;
8082 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8083 /* compare castling rights */
8084 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8085 rights++; /* King lost rights, while rook still had them */
8086 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8087 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8088 rights++; /* but at least one rook lost them */
8090 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8092 if( b1[CASTLING][5] != NoRights ) {
8093 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8100 Adjudicate (ChessProgramState *cps)
8101 { // [HGM] some adjudications useful with buggy engines
8102 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8103 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8104 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8105 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8106 int k, drop, count = 0; static int bare = 1;
8107 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8108 Boolean canAdjudicate = !appData.icsActive;
8110 // most tests only when we understand the game, i.e. legality-checking on
8111 if( appData.testLegality )
8112 { /* [HGM] Some more adjudications for obstinate engines */
8113 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8114 static int moveCount = 6;
8116 char *reason = NULL;
8118 /* Count what is on board. */
8119 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8121 /* Some material-based adjudications that have to be made before stalemate test */
8122 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8123 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8124 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8125 if(canAdjudicate && appData.checkMates) {
8127 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8128 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8129 "Xboard adjudication: King destroyed", GE_XBOARD );
8134 /* Bare King in Shatranj (loses) or Losers (wins) */
8135 if( nrW == 1 || nrB == 1) {
8136 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8137 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8138 if(canAdjudicate && appData.checkMates) {
8140 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8141 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8142 "Xboard adjudication: Bare king", GE_XBOARD );
8146 if( gameInfo.variant == VariantShatranj && --bare < 0)
8148 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8149 if(canAdjudicate && appData.checkMates) {
8150 /* but only adjudicate if adjudication enabled */
8152 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8153 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8154 "Xboard adjudication: Bare king", GE_XBOARD );
8161 // don't wait for engine to announce game end if we can judge ourselves
8162 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8164 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8165 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8166 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8167 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8170 reason = "Xboard adjudication: 3rd check";
8171 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8182 reason = "Xboard adjudication: Stalemate";
8183 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8184 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8185 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8186 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8187 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8188 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8189 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8190 EP_CHECKMATE : EP_WINS);
8191 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8192 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8196 reason = "Xboard adjudication: Checkmate";
8197 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8198 if(gameInfo.variant == VariantShogi) {
8199 if(forwardMostMove > backwardMostMove
8200 && moveList[forwardMostMove-1][1] == '@'
8201 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8202 reason = "XBoard adjudication: pawn-drop mate";
8203 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8209 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8211 result = GameIsDrawn; break;
8213 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8215 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8219 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8221 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8222 GameEnds( result, reason, GE_XBOARD );
8226 /* Next absolutely insufficient mating material. */
8227 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8228 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8229 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8231 /* always flag draws, for judging claims */
8232 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8234 if(canAdjudicate && appData.materialDraws) {
8235 /* but only adjudicate them if adjudication enabled */
8236 if(engineOpponent) {
8237 SendToProgram("force\n", engineOpponent); // suppress reply
8238 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8240 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8245 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8246 if(gameInfo.variant == VariantXiangqi ?
8247 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8249 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8250 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8251 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8252 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8254 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8255 { /* if the first 3 moves do not show a tactical win, declare draw */
8256 if(engineOpponent) {
8257 SendToProgram("force\n", engineOpponent); // suppress reply
8258 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8260 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8263 } else moveCount = 6;
8266 // Repetition draws and 50-move rule can be applied independently of legality testing
8268 /* Check for rep-draws */
8270 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8271 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8272 for(k = forwardMostMove-2;
8273 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8274 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8275 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8278 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8279 /* compare castling rights */
8280 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8281 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8282 rights++; /* King lost rights, while rook still had them */
8283 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8284 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8285 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8286 rights++; /* but at least one rook lost them */
8288 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8289 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8291 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8292 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8293 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8296 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8297 && appData.drawRepeats > 1) {
8298 /* adjudicate after user-specified nr of repeats */
8299 int result = GameIsDrawn;
8300 char *details = "XBoard adjudication: repetition draw";
8301 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8302 // [HGM] xiangqi: check for forbidden perpetuals
8303 int m, ourPerpetual = 1, hisPerpetual = 1;
8304 for(m=forwardMostMove; m>k; m-=2) {
8305 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8306 ourPerpetual = 0; // the current mover did not always check
8307 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8308 hisPerpetual = 0; // the opponent did not always check
8310 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8311 ourPerpetual, hisPerpetual);
8312 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8313 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8314 details = "Xboard adjudication: perpetual checking";
8316 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8317 break; // (or we would have caught him before). Abort repetition-checking loop.
8319 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8320 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8322 details = "Xboard adjudication: repetition";
8324 } else // it must be XQ
8325 // Now check for perpetual chases
8326 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8327 hisPerpetual = PerpetualChase(k, forwardMostMove);
8328 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8329 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8330 static char resdet[MSG_SIZ];
8331 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8333 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8335 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8336 break; // Abort repetition-checking loop.
8338 // if neither of us is checking or chasing all the time, or both are, it is draw
8340 if(engineOpponent) {
8341 SendToProgram("force\n", engineOpponent); // suppress reply
8342 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8344 GameEnds( result, details, GE_XBOARD );
8347 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8348 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8352 /* Now we test for 50-move draws. Determine ply count */
8353 count = forwardMostMove;
8354 /* look for last irreversble move */
8355 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8357 /* if we hit starting position, add initial plies */
8358 if( count == backwardMostMove )
8359 count -= initialRulePlies;
8360 count = forwardMostMove - count;
8361 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8362 // adjust reversible move counter for checks in Xiangqi
8363 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8364 if(i < backwardMostMove) i = backwardMostMove;
8365 while(i <= forwardMostMove) {
8366 lastCheck = inCheck; // check evasion does not count
8367 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8368 if(inCheck || lastCheck) count--; // check does not count
8373 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8374 /* this is used to judge if draw claims are legal */
8375 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8376 if(engineOpponent) {
8377 SendToProgram("force\n", engineOpponent); // suppress reply
8378 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8380 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8384 /* if draw offer is pending, treat it as a draw claim
8385 * when draw condition present, to allow engines a way to
8386 * claim draws before making their move to avoid a race
8387 * condition occurring after their move
8389 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8391 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8392 p = "Draw claim: 50-move rule";
8393 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8394 p = "Draw claim: 3-fold repetition";
8395 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8396 p = "Draw claim: insufficient mating material";
8397 if( p != NULL && canAdjudicate) {
8398 if(engineOpponent) {
8399 SendToProgram("force\n", engineOpponent); // suppress reply
8400 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8402 GameEnds( GameIsDrawn, p, GE_XBOARD );
8407 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8408 if(engineOpponent) {
8409 SendToProgram("force\n", engineOpponent); // suppress reply
8410 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8412 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8418 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8419 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8420 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8425 int pieces[10], squares[10], cnt=0, r, f, res;
8427 static PPROBE_EGBB probeBB;
8428 if(!appData.testLegality) return 10;
8429 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8430 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8431 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8432 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8433 ChessSquare piece = boards[forwardMostMove][r][f];
8434 int black = (piece >= BlackPawn);
8435 int type = piece - black*BlackPawn;
8436 if(piece == EmptySquare) continue;
8437 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8438 if(type == WhiteKing) type = WhiteQueen + 1;
8439 type = egbbCode[type];
8440 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8441 pieces[cnt] = type + black*6;
8442 if(++cnt > 5) return 11;
8444 pieces[cnt] = squares[cnt] = 0;
8446 if(loaded == 2) return 13; // loading failed before
8448 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8451 loaded = 2; // prepare for failure
8452 if(!path) return 13; // no egbb installed
8453 strncpy(buf, path + 8, MSG_SIZ);
8454 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8455 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8456 lib = LoadLibrary(buf);
8457 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8458 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8459 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8460 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8461 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8462 loaded = 1; // success!
8464 res = probeBB(forwardMostMove & 1, pieces, squares);
8465 return res > 0 ? 1 : res < 0 ? -1 : 0;
8469 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8470 { // [HGM] book: this routine intercepts moves to simulate book replies
8471 char *bookHit = NULL;
8473 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8475 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8476 SendToProgram(buf, cps);
8478 //first determine if the incoming move brings opponent into his book
8479 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8480 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8481 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8482 if(bookHit != NULL && !cps->bookSuspend) {
8483 // make sure opponent is not going to reply after receiving move to book position
8484 SendToProgram("force\n", cps);
8485 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8487 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8488 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8489 // now arrange restart after book miss
8491 // after a book hit we never send 'go', and the code after the call to this routine
8492 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8493 char buf[MSG_SIZ], *move = bookHit;
8495 int fromX, fromY, toX, toY;
8499 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8500 &fromX, &fromY, &toX, &toY, &promoChar)) {
8501 (void) CoordsToAlgebraic(boards[forwardMostMove],
8502 PosFlags(forwardMostMove),
8503 fromY, fromX, toY, toX, promoChar, move);
8505 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8509 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8510 SendToProgram(buf, cps);
8511 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8512 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8513 SendToProgram("go\n", cps);
8514 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8515 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8516 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8517 SendToProgram("go\n", cps);
8518 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8520 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8524 LoadError (char *errmess, ChessProgramState *cps)
8525 { // unloads engine and switches back to -ncp mode if it was first
8526 if(cps->initDone) return FALSE;
8527 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8528 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8531 appData.noChessProgram = TRUE;
8532 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8533 gameMode = BeginningOfGame; ModeHighlight();
8536 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8537 DisplayMessage("", ""); // erase waiting message
8538 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8543 ChessProgramState *savedState;
8545 DeferredBookMove (void)
8547 if(savedState->lastPing != savedState->lastPong)
8548 ScheduleDelayedEvent(DeferredBookMove, 10);
8550 HandleMachineMove(savedMessage, savedState);
8553 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8554 static ChessProgramState *stalledEngine;
8555 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8558 HandleMachineMove (char *message, ChessProgramState *cps)
8560 static char firstLeg[20];
8561 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8562 char realname[MSG_SIZ];
8563 int fromX, fromY, toX, toY;
8565 char promoChar, roar;
8567 int machineWhite, oldError;
8570 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8571 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8572 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8573 DisplayError(_("Invalid pairing from pairing engine"), 0);
8576 pairingReceived = 1;
8578 return; // Skim the pairing messages here.
8581 oldError = cps->userError; cps->userError = 0;
8583 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8585 * Kludge to ignore BEL characters
8587 while (*message == '\007') message++;
8590 * [HGM] engine debug message: ignore lines starting with '#' character
8592 if(cps->debug && *message == '#') return;
8595 * Look for book output
8597 if (cps == &first && bookRequested) {
8598 if (message[0] == '\t' || message[0] == ' ') {
8599 /* Part of the book output is here; append it */
8600 strcat(bookOutput, message);
8601 strcat(bookOutput, " \n");
8603 } else if (bookOutput[0] != NULLCHAR) {
8604 /* All of book output has arrived; display it */
8605 char *p = bookOutput;
8606 while (*p != NULLCHAR) {
8607 if (*p == '\t') *p = ' ';
8610 DisplayInformation(bookOutput);
8611 bookRequested = FALSE;
8612 /* Fall through to parse the current output */
8617 * Look for machine move.
8619 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8620 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8622 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8623 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8624 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8625 stalledEngine = cps;
8626 if(appData.ponderNextMove) { // bring opponent out of ponder
8627 if(gameMode == TwoMachinesPlay) {
8628 if(cps->other->pause)
8629 PauseEngine(cps->other);
8631 SendToProgram("easy\n", cps->other);
8640 /* This method is only useful on engines that support ping */
8641 if(abortEngineThink) {
8642 if (appData.debugMode) {
8643 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8645 SendToProgram("undo\n", cps);
8649 if (cps->lastPing != cps->lastPong) {
8650 /* Extra move from before last new; ignore */
8651 if (appData.debugMode) {
8652 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8660 case BeginningOfGame:
8661 /* Extra move from before last reset; ignore */
8662 if (appData.debugMode) {
8663 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8670 /* Extra move after we tried to stop. The mode test is
8671 not a reliable way of detecting this problem, but it's
8672 the best we can do on engines that don't support ping.
8674 if (appData.debugMode) {
8675 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8676 cps->which, gameMode);
8678 SendToProgram("undo\n", cps);
8681 case MachinePlaysWhite:
8682 case IcsPlayingWhite:
8683 machineWhite = TRUE;
8686 case MachinePlaysBlack:
8687 case IcsPlayingBlack:
8688 machineWhite = FALSE;
8691 case TwoMachinesPlay:
8692 machineWhite = (cps->twoMachinesColor[0] == 'w');
8695 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8696 if (appData.debugMode) {
8698 "Ignoring move out of turn by %s, gameMode %d"
8699 ", forwardMost %d\n",
8700 cps->which, gameMode, forwardMostMove);
8706 if(cps->alphaRank) AlphaRank(machineMove, 4);
8708 // [HGM] lion: (some very limited) support for Alien protocol
8709 killX = killY = kill2X = kill2Y = -1;
8710 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8711 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8714 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8715 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8716 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8718 if(firstLeg[0]) { // there was a previous leg;
8719 // only support case where same piece makes two step
8720 char buf[20], *p = machineMove+1, *q = buf+1, f;
8721 safeStrCpy(buf, machineMove, 20);
8722 while(isdigit(*q)) q++; // find start of to-square
8723 safeStrCpy(machineMove, firstLeg, 20);
8724 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8725 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8726 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8727 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8728 firstLeg[0] = NULLCHAR;
8731 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8732 &fromX, &fromY, &toX, &toY, &promoChar)) {
8733 /* Machine move could not be parsed; ignore it. */
8734 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8735 machineMove, _(cps->which));
8736 DisplayMoveError(buf1);
8737 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8738 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8739 if (gameMode == TwoMachinesPlay) {
8740 GameEnds(machineWhite ? BlackWins : WhiteWins,
8746 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8747 /* So we have to redo legality test with true e.p. status here, */
8748 /* to make sure an illegal e.p. capture does not slip through, */
8749 /* to cause a forfeit on a justified illegal-move complaint */
8750 /* of the opponent. */
8751 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8753 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8754 fromY, fromX, toY, toX, promoChar);
8755 if(moveType == IllegalMove) {
8756 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8757 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8758 GameEnds(machineWhite ? BlackWins : WhiteWins,
8761 } else if(!appData.fischerCastling)
8762 /* [HGM] Kludge to handle engines that send FRC-style castling
8763 when they shouldn't (like TSCP-Gothic) */
8765 case WhiteASideCastleFR:
8766 case BlackASideCastleFR:
8768 currentMoveString[2]++;
8770 case WhiteHSideCastleFR:
8771 case BlackHSideCastleFR:
8773 currentMoveString[2]--;
8775 default: ; // nothing to do, but suppresses warning of pedantic compilers
8778 hintRequested = FALSE;
8779 lastHint[0] = NULLCHAR;
8780 bookRequested = FALSE;
8781 /* Program may be pondering now */
8782 cps->maybeThinking = TRUE;
8783 if (cps->sendTime == 2) cps->sendTime = 1;
8784 if (cps->offeredDraw) cps->offeredDraw--;
8786 /* [AS] Save move info*/
8787 pvInfoList[ forwardMostMove ].score = programStats.score;
8788 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8789 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8791 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8793 /* Test suites abort the 'game' after one move */
8794 if(*appData.finger) {
8796 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8797 if(!f) f = fopen(appData.finger, "w");
8798 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8799 else { DisplayFatalError("Bad output file", errno, 0); return; }
8801 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8804 if(solvingTime >= 0) {
8805 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8806 totalTime += solvingTime; first.matchWins++;
8808 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8811 OutputKibitz(2, buf1);
8812 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8815 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8816 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8819 while( count < adjudicateLossPlies ) {
8820 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8823 score = -score; /* Flip score for winning side */
8826 if( score > appData.adjudicateLossThreshold ) {
8833 if( count >= adjudicateLossPlies ) {
8834 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8836 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8837 "Xboard adjudication",
8844 if(Adjudicate(cps)) {
8845 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8846 return; // [HGM] adjudicate: for all automatic game ends
8850 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8852 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8853 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8855 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8857 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8859 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8860 char buf[3*MSG_SIZ];
8862 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8863 programStats.score / 100.,
8865 programStats.time / 100.,
8866 (unsigned int)programStats.nodes,
8867 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8868 programStats.movelist);
8874 /* [AS] Clear stats for next move */
8875 ClearProgramStats();
8876 thinkOutput[0] = NULLCHAR;
8877 hiddenThinkOutputState = 0;
8880 if (gameMode == TwoMachinesPlay) {
8881 /* [HGM] relaying draw offers moved to after reception of move */
8882 /* and interpreting offer as claim if it brings draw condition */
8883 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8884 SendToProgram("draw\n", cps->other);
8886 if (cps->other->sendTime) {
8887 SendTimeRemaining(cps->other,
8888 cps->other->twoMachinesColor[0] == 'w');
8890 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8891 if (firstMove && !bookHit) {
8893 if (cps->other->useColors) {
8894 SendToProgram(cps->other->twoMachinesColor, cps->other);
8896 SendToProgram("go\n", cps->other);
8898 cps->other->maybeThinking = TRUE;
8901 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8903 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8905 if (!pausing && appData.ringBellAfterMoves) {
8906 if(!roar) RingBell();
8910 * Reenable menu items that were disabled while
8911 * machine was thinking
8913 if (gameMode != TwoMachinesPlay)
8914 SetUserThinkingEnables();
8916 // [HGM] book: after book hit opponent has received move and is now in force mode
8917 // force the book reply into it, and then fake that it outputted this move by jumping
8918 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8920 static char bookMove[MSG_SIZ]; // a bit generous?
8922 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8923 strcat(bookMove, bookHit);
8926 programStats.nodes = programStats.depth = programStats.time =
8927 programStats.score = programStats.got_only_move = 0;
8928 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8930 if(cps->lastPing != cps->lastPong) {
8931 savedMessage = message; // args for deferred call
8933 ScheduleDelayedEvent(DeferredBookMove, 10);
8942 /* Set special modes for chess engines. Later something general
8943 * could be added here; for now there is just one kludge feature,
8944 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8945 * when "xboard" is given as an interactive command.
8947 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8948 cps->useSigint = FALSE;
8949 cps->useSigterm = FALSE;
8951 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8952 ParseFeatures(message+8, cps);
8953 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8956 if (!strncmp(message, "setup ", 6) &&
8957 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8958 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8959 ) { // [HGM] allow first engine to define opening position
8960 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8961 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8963 if(sscanf(message, "setup (%s", buf) == 1) {
8964 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
8965 ASSIGN(appData.pieceToCharTable, buf);
8967 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8969 while(message[s] && message[s++] != ' ');
8970 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8971 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8972 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8973 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8974 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8975 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
8976 startedFromSetupPosition = FALSE;
8979 if(startedFromSetupPosition) return;
8980 ParseFEN(boards[0], &dummy, message+s, FALSE);
8981 DrawPosition(TRUE, boards[0]);
8982 CopyBoard(initialPosition, boards[0]);
8983 startedFromSetupPosition = TRUE;
8986 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
8987 ChessSquare piece = WhitePawn;
8988 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
8989 if(*p == '+') piece = CHUPROMOTED WhitePawn, ID = *++p;
8990 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
8991 piece += CharToPiece(ID & 255) - WhitePawn;
8992 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
8993 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
8994 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
8995 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
8996 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
8997 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
8998 && gameInfo.variant != VariantGreat
8999 && gameInfo.variant != VariantFairy ) return;
9000 if(piece < EmptySquare) {
9002 ASSIGN(pieceDesc[piece], buf1);
9003 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9007 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9008 * want this, I was asked to put it in, and obliged.
9010 if (!strncmp(message, "setboard ", 9)) {
9011 Board initial_position;
9013 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9015 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9016 DisplayError(_("Bad FEN received from engine"), 0);
9020 CopyBoard(boards[0], initial_position);
9021 initialRulePlies = FENrulePlies;
9022 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9023 else gameMode = MachinePlaysBlack;
9024 DrawPosition(FALSE, boards[currentMove]);
9030 * Look for communication commands
9032 if (!strncmp(message, "telluser ", 9)) {
9033 if(message[9] == '\\' && message[10] == '\\')
9034 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9036 DisplayNote(message + 9);
9039 if (!strncmp(message, "tellusererror ", 14)) {
9041 if(message[14] == '\\' && message[15] == '\\')
9042 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9044 DisplayError(message + 14, 0);
9047 if (!strncmp(message, "tellopponent ", 13)) {
9048 if (appData.icsActive) {
9050 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9054 DisplayNote(message + 13);
9058 if (!strncmp(message, "tellothers ", 11)) {
9059 if (appData.icsActive) {
9061 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9064 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9067 if (!strncmp(message, "tellall ", 8)) {
9068 if (appData.icsActive) {
9070 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9074 DisplayNote(message + 8);
9078 if (strncmp(message, "warning", 7) == 0) {
9079 /* Undocumented feature, use tellusererror in new code */
9080 DisplayError(message, 0);
9083 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9084 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9085 strcat(realname, " query");
9086 AskQuestion(realname, buf2, buf1, cps->pr);
9089 /* Commands from the engine directly to ICS. We don't allow these to be
9090 * sent until we are logged on. Crafty kibitzes have been known to
9091 * interfere with the login process.
9094 if (!strncmp(message, "tellics ", 8)) {
9095 SendToICS(message + 8);
9099 if (!strncmp(message, "tellicsnoalias ", 15)) {
9100 SendToICS(ics_prefix);
9101 SendToICS(message + 15);
9105 /* The following are for backward compatibility only */
9106 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9107 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9108 SendToICS(ics_prefix);
9114 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9115 if(initPing == cps->lastPong) {
9116 if(gameInfo.variant == VariantUnknown) {
9117 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9118 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9119 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9123 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9124 abortEngineThink = FALSE;
9125 DisplayMessage("", "");
9130 if(!strncmp(message, "highlight ", 10)) {
9131 if(appData.testLegality && !*engineVariant && appData.markers) return;
9132 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9135 if(!strncmp(message, "click ", 6)) {
9136 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9137 if(appData.testLegality || !appData.oneClick) return;
9138 sscanf(message+6, "%c%d%c", &f, &y, &c);
9139 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9140 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9141 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9142 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9143 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9144 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9145 LeftClick(Release, lastLeftX, lastLeftY);
9146 controlKey = (c == ',');
9147 LeftClick(Press, x, y);
9148 LeftClick(Release, x, y);
9149 first.highlight = f;
9153 * If the move is illegal, cancel it and redraw the board.
9154 * Also deal with other error cases. Matching is rather loose
9155 * here to accommodate engines written before the spec.
9157 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9158 strncmp(message, "Error", 5) == 0) {
9159 if (StrStr(message, "name") ||
9160 StrStr(message, "rating") || StrStr(message, "?") ||
9161 StrStr(message, "result") || StrStr(message, "board") ||
9162 StrStr(message, "bk") || StrStr(message, "computer") ||
9163 StrStr(message, "variant") || StrStr(message, "hint") ||
9164 StrStr(message, "random") || StrStr(message, "depth") ||
9165 StrStr(message, "accepted")) {
9168 if (StrStr(message, "protover")) {
9169 /* Program is responding to input, so it's apparently done
9170 initializing, and this error message indicates it is
9171 protocol version 1. So we don't need to wait any longer
9172 for it to initialize and send feature commands. */
9173 FeatureDone(cps, 1);
9174 cps->protocolVersion = 1;
9177 cps->maybeThinking = FALSE;
9179 if (StrStr(message, "draw")) {
9180 /* Program doesn't have "draw" command */
9181 cps->sendDrawOffers = 0;
9184 if (cps->sendTime != 1 &&
9185 (StrStr(message, "time") || StrStr(message, "otim"))) {
9186 /* Program apparently doesn't have "time" or "otim" command */
9190 if (StrStr(message, "analyze")) {
9191 cps->analysisSupport = FALSE;
9192 cps->analyzing = FALSE;
9193 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9194 EditGameEvent(); // [HGM] try to preserve loaded game
9195 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9196 DisplayError(buf2, 0);
9199 if (StrStr(message, "(no matching move)st")) {
9200 /* Special kludge for GNU Chess 4 only */
9201 cps->stKludge = TRUE;
9202 SendTimeControl(cps, movesPerSession, timeControl,
9203 timeIncrement, appData.searchDepth,
9207 if (StrStr(message, "(no matching move)sd")) {
9208 /* Special kludge for GNU Chess 4 only */
9209 cps->sdKludge = TRUE;
9210 SendTimeControl(cps, movesPerSession, timeControl,
9211 timeIncrement, appData.searchDepth,
9215 if (!StrStr(message, "llegal")) {
9218 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9219 gameMode == IcsIdle) return;
9220 if (forwardMostMove <= backwardMostMove) return;
9221 if (pausing) PauseEvent();
9222 if(appData.forceIllegal) {
9223 // [HGM] illegal: machine refused move; force position after move into it
9224 SendToProgram("force\n", cps);
9225 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9226 // we have a real problem now, as SendBoard will use the a2a3 kludge
9227 // when black is to move, while there might be nothing on a2 or black
9228 // might already have the move. So send the board as if white has the move.
9229 // But first we must change the stm of the engine, as it refused the last move
9230 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9231 if(WhiteOnMove(forwardMostMove)) {
9232 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9233 SendBoard(cps, forwardMostMove); // kludgeless board
9235 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9236 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9237 SendBoard(cps, forwardMostMove+1); // kludgeless board
9239 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9240 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9241 gameMode == TwoMachinesPlay)
9242 SendToProgram("go\n", cps);
9245 if (gameMode == PlayFromGameFile) {
9246 /* Stop reading this game file */
9247 gameMode = EditGame;
9250 /* [HGM] illegal-move claim should forfeit game when Xboard */
9251 /* only passes fully legal moves */
9252 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9253 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9254 "False illegal-move claim", GE_XBOARD );
9255 return; // do not take back move we tested as valid
9257 currentMove = forwardMostMove-1;
9258 DisplayMove(currentMove-1); /* before DisplayMoveError */
9259 SwitchClocks(forwardMostMove-1); // [HGM] race
9260 DisplayBothClocks();
9261 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9262 parseList[currentMove], _(cps->which));
9263 DisplayMoveError(buf1);
9264 DrawPosition(FALSE, boards[currentMove]);
9266 SetUserThinkingEnables();
9269 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9270 /* Program has a broken "time" command that
9271 outputs a string not ending in newline.
9275 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9276 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9277 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9281 * If chess program startup fails, exit with an error message.
9282 * Attempts to recover here are futile. [HGM] Well, we try anyway
9284 if ((StrStr(message, "unknown host") != NULL)
9285 || (StrStr(message, "No remote directory") != NULL)
9286 || (StrStr(message, "not found") != NULL)
9287 || (StrStr(message, "No such file") != NULL)
9288 || (StrStr(message, "can't alloc") != NULL)
9289 || (StrStr(message, "Permission denied") != NULL)) {
9291 cps->maybeThinking = FALSE;
9292 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9293 _(cps->which), cps->program, cps->host, message);
9294 RemoveInputSource(cps->isr);
9295 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9296 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9297 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9303 * Look for hint output
9305 if (sscanf(message, "Hint: %s", buf1) == 1) {
9306 if (cps == &first && hintRequested) {
9307 hintRequested = FALSE;
9308 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9309 &fromX, &fromY, &toX, &toY, &promoChar)) {
9310 (void) CoordsToAlgebraic(boards[forwardMostMove],
9311 PosFlags(forwardMostMove),
9312 fromY, fromX, toY, toX, promoChar, buf1);
9313 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9314 DisplayInformation(buf2);
9316 /* Hint move could not be parsed!? */
9317 snprintf(buf2, sizeof(buf2),
9318 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9319 buf1, _(cps->which));
9320 DisplayError(buf2, 0);
9323 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9329 * Ignore other messages if game is not in progress
9331 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9332 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9335 * look for win, lose, draw, or draw offer
9337 if (strncmp(message, "1-0", 3) == 0) {
9338 char *p, *q, *r = "";
9339 p = strchr(message, '{');
9347 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9349 } else if (strncmp(message, "0-1", 3) == 0) {
9350 char *p, *q, *r = "";
9351 p = strchr(message, '{');
9359 /* Kludge for Arasan 4.1 bug */
9360 if (strcmp(r, "Black resigns") == 0) {
9361 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9364 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9366 } else if (strncmp(message, "1/2", 3) == 0) {
9367 char *p, *q, *r = "";
9368 p = strchr(message, '{');
9377 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9380 } else if (strncmp(message, "White resign", 12) == 0) {
9381 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9383 } else if (strncmp(message, "Black resign", 12) == 0) {
9384 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9386 } else if (strncmp(message, "White matches", 13) == 0 ||
9387 strncmp(message, "Black matches", 13) == 0 ) {
9388 /* [HGM] ignore GNUShogi noises */
9390 } else if (strncmp(message, "White", 5) == 0 &&
9391 message[5] != '(' &&
9392 StrStr(message, "Black") == NULL) {
9393 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9395 } else if (strncmp(message, "Black", 5) == 0 &&
9396 message[5] != '(') {
9397 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9399 } else if (strcmp(message, "resign") == 0 ||
9400 strcmp(message, "computer resigns") == 0) {
9402 case MachinePlaysBlack:
9403 case IcsPlayingBlack:
9404 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9406 case MachinePlaysWhite:
9407 case IcsPlayingWhite:
9408 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9410 case TwoMachinesPlay:
9411 if (cps->twoMachinesColor[0] == 'w')
9412 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9414 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9421 } else if (strncmp(message, "opponent mates", 14) == 0) {
9423 case MachinePlaysBlack:
9424 case IcsPlayingBlack:
9425 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9427 case MachinePlaysWhite:
9428 case IcsPlayingWhite:
9429 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9431 case TwoMachinesPlay:
9432 if (cps->twoMachinesColor[0] == 'w')
9433 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9435 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9442 } else if (strncmp(message, "computer mates", 14) == 0) {
9444 case MachinePlaysBlack:
9445 case IcsPlayingBlack:
9446 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9448 case MachinePlaysWhite:
9449 case IcsPlayingWhite:
9450 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9452 case TwoMachinesPlay:
9453 if (cps->twoMachinesColor[0] == 'w')
9454 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9456 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9463 } else if (strncmp(message, "checkmate", 9) == 0) {
9464 if (WhiteOnMove(forwardMostMove)) {
9465 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9467 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9470 } else if (strstr(message, "Draw") != NULL ||
9471 strstr(message, "game is a draw") != NULL) {
9472 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9474 } else if (strstr(message, "offer") != NULL &&
9475 strstr(message, "draw") != NULL) {
9477 if (appData.zippyPlay && first.initDone) {
9478 /* Relay offer to ICS */
9479 SendToICS(ics_prefix);
9480 SendToICS("draw\n");
9483 cps->offeredDraw = 2; /* valid until this engine moves twice */
9484 if (gameMode == TwoMachinesPlay) {
9485 if (cps->other->offeredDraw) {
9486 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9487 /* [HGM] in two-machine mode we delay relaying draw offer */
9488 /* until after we also have move, to see if it is really claim */
9490 } else if (gameMode == MachinePlaysWhite ||
9491 gameMode == MachinePlaysBlack) {
9492 if (userOfferedDraw) {
9493 DisplayInformation(_("Machine accepts your draw offer"));
9494 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9496 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9503 * Look for thinking output
9505 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9506 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9508 int plylev, mvleft, mvtot, curscore, time;
9509 char mvname[MOVE_LEN];
9513 int prefixHint = FALSE;
9514 mvname[0] = NULLCHAR;
9517 case MachinePlaysBlack:
9518 case IcsPlayingBlack:
9519 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9521 case MachinePlaysWhite:
9522 case IcsPlayingWhite:
9523 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9528 case IcsObserving: /* [DM] icsEngineAnalyze */
9529 if (!appData.icsEngineAnalyze) ignore = TRUE;
9531 case TwoMachinesPlay:
9532 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9542 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9544 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9545 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9546 char score_buf[MSG_SIZ];
9548 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9549 nodes += u64Const(0x100000000);
9551 if (plyext != ' ' && plyext != '\t') {
9555 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9556 if( cps->scoreIsAbsolute &&
9557 ( gameMode == MachinePlaysBlack ||
9558 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9559 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9560 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9561 !WhiteOnMove(currentMove)
9564 curscore = -curscore;
9567 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9569 if(*bestMove) { // rememer time best EPD move was first found
9570 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9572 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9573 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9574 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9577 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9580 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9581 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9582 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9583 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9584 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9585 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9589 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9590 DisplayError(_("failed writing PV"), 0);
9593 tempStats.depth = plylev;
9594 tempStats.nodes = nodes;
9595 tempStats.time = time;
9596 tempStats.score = curscore;
9597 tempStats.got_only_move = 0;
9599 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9602 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9603 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9604 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9605 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9606 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9607 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9608 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9609 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9612 /* Buffer overflow protection */
9613 if (pv[0] != NULLCHAR) {
9614 if (strlen(pv) >= sizeof(tempStats.movelist)
9615 && appData.debugMode) {
9617 "PV is too long; using the first %u bytes.\n",
9618 (unsigned) sizeof(tempStats.movelist) - 1);
9621 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9623 sprintf(tempStats.movelist, " no PV\n");
9626 if (tempStats.seen_stat) {
9627 tempStats.ok_to_send = 1;
9630 if (strchr(tempStats.movelist, '(') != NULL) {
9631 tempStats.line_is_book = 1;
9632 tempStats.nr_moves = 0;
9633 tempStats.moves_left = 0;
9635 tempStats.line_is_book = 0;
9638 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9639 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9641 SendProgramStatsToFrontend( cps, &tempStats );
9644 [AS] Protect the thinkOutput buffer from overflow... this
9645 is only useful if buf1 hasn't overflowed first!
9647 if(curscore >= MATE_SCORE)
9648 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9649 else if(curscore <= -MATE_SCORE)
9650 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9652 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9653 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9655 (gameMode == TwoMachinesPlay ?
9656 ToUpper(cps->twoMachinesColor[0]) : ' '),
9658 prefixHint ? lastHint : "",
9659 prefixHint ? " " : "" );
9661 if( buf1[0] != NULLCHAR ) {
9662 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9664 if( strlen(pv) > max_len ) {
9665 if( appData.debugMode) {
9666 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9668 pv[max_len+1] = '\0';
9671 strcat( thinkOutput, pv);
9674 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9675 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9676 DisplayMove(currentMove - 1);
9680 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9681 /* crafty (9.25+) says "(only move) <move>"
9682 * if there is only 1 legal move
9684 sscanf(p, "(only move) %s", buf1);
9685 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9686 sprintf(programStats.movelist, "%s (only move)", buf1);
9687 programStats.depth = 1;
9688 programStats.nr_moves = 1;
9689 programStats.moves_left = 1;
9690 programStats.nodes = 1;
9691 programStats.time = 1;
9692 programStats.got_only_move = 1;
9694 /* Not really, but we also use this member to
9695 mean "line isn't going to change" (Crafty
9696 isn't searching, so stats won't change) */
9697 programStats.line_is_book = 1;
9699 SendProgramStatsToFrontend( cps, &programStats );
9701 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9702 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9703 DisplayMove(currentMove - 1);
9706 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9707 &time, &nodes, &plylev, &mvleft,
9708 &mvtot, mvname) >= 5) {
9709 /* The stat01: line is from Crafty (9.29+) in response
9710 to the "." command */
9711 programStats.seen_stat = 1;
9712 cps->maybeThinking = TRUE;
9714 if (programStats.got_only_move || !appData.periodicUpdates)
9717 programStats.depth = plylev;
9718 programStats.time = time;
9719 programStats.nodes = nodes;
9720 programStats.moves_left = mvleft;
9721 programStats.nr_moves = mvtot;
9722 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9723 programStats.ok_to_send = 1;
9724 programStats.movelist[0] = '\0';
9726 SendProgramStatsToFrontend( cps, &programStats );
9730 } else if (strncmp(message,"++",2) == 0) {
9731 /* Crafty 9.29+ outputs this */
9732 programStats.got_fail = 2;
9735 } else if (strncmp(message,"--",2) == 0) {
9736 /* Crafty 9.29+ outputs this */
9737 programStats.got_fail = 1;
9740 } else if (thinkOutput[0] != NULLCHAR &&
9741 strncmp(message, " ", 4) == 0) {
9742 unsigned message_len;
9745 while (*p && *p == ' ') p++;
9747 message_len = strlen( p );
9749 /* [AS] Avoid buffer overflow */
9750 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9751 strcat(thinkOutput, " ");
9752 strcat(thinkOutput, p);
9755 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9756 strcat(programStats.movelist, " ");
9757 strcat(programStats.movelist, p);
9760 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9761 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9762 DisplayMove(currentMove - 1);
9770 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9771 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9773 ChessProgramStats cpstats;
9775 if (plyext != ' ' && plyext != '\t') {
9779 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9780 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9781 curscore = -curscore;
9784 cpstats.depth = plylev;
9785 cpstats.nodes = nodes;
9786 cpstats.time = time;
9787 cpstats.score = curscore;
9788 cpstats.got_only_move = 0;
9789 cpstats.movelist[0] = '\0';
9791 if (buf1[0] != NULLCHAR) {
9792 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9795 cpstats.ok_to_send = 0;
9796 cpstats.line_is_book = 0;
9797 cpstats.nr_moves = 0;
9798 cpstats.moves_left = 0;
9800 SendProgramStatsToFrontend( cps, &cpstats );
9807 /* Parse a game score from the character string "game", and
9808 record it as the history of the current game. The game
9809 score is NOT assumed to start from the standard position.
9810 The display is not updated in any way.
9813 ParseGameHistory (char *game)
9816 int fromX, fromY, toX, toY, boardIndex;
9821 if (appData.debugMode)
9822 fprintf(debugFP, "Parsing game history: %s\n", game);
9824 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9825 gameInfo.site = StrSave(appData.icsHost);
9826 gameInfo.date = PGNDate();
9827 gameInfo.round = StrSave("-");
9829 /* Parse out names of players */
9830 while (*game == ' ') game++;
9832 while (*game != ' ') *p++ = *game++;
9834 gameInfo.white = StrSave(buf);
9835 while (*game == ' ') game++;
9837 while (*game != ' ' && *game != '\n') *p++ = *game++;
9839 gameInfo.black = StrSave(buf);
9842 boardIndex = blackPlaysFirst ? 1 : 0;
9845 yyboardindex = boardIndex;
9846 moveType = (ChessMove) Myylex();
9848 case IllegalMove: /* maybe suicide chess, etc. */
9849 if (appData.debugMode) {
9850 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9851 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9852 setbuf(debugFP, NULL);
9854 case WhitePromotion:
9855 case BlackPromotion:
9856 case WhiteNonPromotion:
9857 case BlackNonPromotion:
9860 case WhiteCapturesEnPassant:
9861 case BlackCapturesEnPassant:
9862 case WhiteKingSideCastle:
9863 case WhiteQueenSideCastle:
9864 case BlackKingSideCastle:
9865 case BlackQueenSideCastle:
9866 case WhiteKingSideCastleWild:
9867 case WhiteQueenSideCastleWild:
9868 case BlackKingSideCastleWild:
9869 case BlackQueenSideCastleWild:
9871 case WhiteHSideCastleFR:
9872 case WhiteASideCastleFR:
9873 case BlackHSideCastleFR:
9874 case BlackASideCastleFR:
9876 fromX = currentMoveString[0] - AAA;
9877 fromY = currentMoveString[1] - ONE;
9878 toX = currentMoveString[2] - AAA;
9879 toY = currentMoveString[3] - ONE;
9880 promoChar = currentMoveString[4];
9884 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9885 fromX = moveType == WhiteDrop ?
9886 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9887 (int) CharToPiece(ToLower(currentMoveString[0]));
9889 toX = currentMoveString[2] - AAA;
9890 toY = currentMoveString[3] - ONE;
9891 promoChar = NULLCHAR;
9895 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9896 if (appData.debugMode) {
9897 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9898 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9899 setbuf(debugFP, NULL);
9901 DisplayError(buf, 0);
9903 case ImpossibleMove:
9905 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9906 if (appData.debugMode) {
9907 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9908 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9909 setbuf(debugFP, NULL);
9911 DisplayError(buf, 0);
9914 if (boardIndex < backwardMostMove) {
9915 /* Oops, gap. How did that happen? */
9916 DisplayError(_("Gap in move list"), 0);
9919 backwardMostMove = blackPlaysFirst ? 1 : 0;
9920 if (boardIndex > forwardMostMove) {
9921 forwardMostMove = boardIndex;
9925 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9926 strcat(parseList[boardIndex-1], " ");
9927 strcat(parseList[boardIndex-1], yy_text);
9939 case GameUnfinished:
9940 if (gameMode == IcsExamining) {
9941 if (boardIndex < backwardMostMove) {
9942 /* Oops, gap. How did that happen? */
9945 backwardMostMove = blackPlaysFirst ? 1 : 0;
9948 gameInfo.result = moveType;
9949 p = strchr(yy_text, '{');
9950 if (p == NULL) p = strchr(yy_text, '(');
9953 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9955 q = strchr(p, *p == '{' ? '}' : ')');
9956 if (q != NULL) *q = NULLCHAR;
9959 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9960 gameInfo.resultDetails = StrSave(p);
9963 if (boardIndex >= forwardMostMove &&
9964 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9965 backwardMostMove = blackPlaysFirst ? 1 : 0;
9968 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9969 fromY, fromX, toY, toX, promoChar,
9970 parseList[boardIndex]);
9971 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9972 /* currentMoveString is set as a side-effect of yylex */
9973 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9974 strcat(moveList[boardIndex], "\n");
9976 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9977 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9983 if(!IS_SHOGI(gameInfo.variant))
9984 strcat(parseList[boardIndex - 1], "+");
9988 strcat(parseList[boardIndex - 1], "#");
9995 /* Apply a move to the given board */
9997 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9999 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10000 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10002 /* [HGM] compute & store e.p. status and castling rights for new position */
10003 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10005 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10006 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10007 board[EP_STATUS] = EP_NONE;
10008 board[EP_FILE] = board[EP_RANK] = 100;
10010 if (fromY == DROP_RANK) {
10011 /* must be first */
10012 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10013 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10016 piece = board[toY][toX] = (ChessSquare) fromX;
10018 // ChessSquare victim;
10021 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10022 // victim = board[killY][killX],
10023 killed = board[killY][killX],
10024 board[killY][killX] = EmptySquare,
10025 board[EP_STATUS] = EP_CAPTURE;
10026 if( kill2X >= 0 && kill2Y >= 0)
10027 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10030 if( board[toY][toX] != EmptySquare ) {
10031 board[EP_STATUS] = EP_CAPTURE;
10032 if( (fromX != toX || fromY != toY) && // not igui!
10033 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10034 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10035 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10039 pawn = board[fromY][fromX];
10040 if( pawn == WhiteLance || pawn == BlackLance ) {
10041 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10042 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10043 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10046 if( pawn == WhitePawn ) {
10047 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10048 board[EP_STATUS] = EP_PAWN_MOVE;
10049 if( toY-fromY>=2) {
10050 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10051 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10052 gameInfo.variant != VariantBerolina || toX < fromX)
10053 board[EP_STATUS] = toX | berolina;
10054 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10055 gameInfo.variant != VariantBerolina || toX > fromX)
10056 board[EP_STATUS] = toX;
10059 if( pawn == BlackPawn ) {
10060 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10061 board[EP_STATUS] = EP_PAWN_MOVE;
10062 if( toY-fromY<= -2) {
10063 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10064 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10065 gameInfo.variant != VariantBerolina || toX < fromX)
10066 board[EP_STATUS] = toX | berolina;
10067 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10068 gameInfo.variant != VariantBerolina || toX > fromX)
10069 board[EP_STATUS] = toX;
10073 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10074 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10075 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10076 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10078 for(i=0; i<nrCastlingRights; i++) {
10079 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10080 board[CASTLING][i] == toX && castlingRank[i] == toY
10081 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10084 if(gameInfo.variant == VariantSChess) { // update virginity
10085 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10086 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10087 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10088 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10091 if (fromX == toX && fromY == toY) return;
10093 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10094 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10095 if(gameInfo.variant == VariantKnightmate)
10096 king += (int) WhiteUnicorn - (int) WhiteKing;
10098 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10099 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10100 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10101 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10102 board[EP_STATUS] = EP_NONE; // capture was fake!
10104 /* Code added by Tord: */
10105 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10106 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10107 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10108 board[EP_STATUS] = EP_NONE; // capture was fake!
10109 board[fromY][fromX] = EmptySquare;
10110 board[toY][toX] = EmptySquare;
10111 if((toX > fromX) != (piece == WhiteRook)) {
10112 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10114 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10116 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10117 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10118 board[EP_STATUS] = EP_NONE;
10119 board[fromY][fromX] = EmptySquare;
10120 board[toY][toX] = EmptySquare;
10121 if((toX > fromX) != (piece == BlackRook)) {
10122 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10124 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10126 /* End of code added by Tord */
10128 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10129 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10130 board[toY][toX] = piece;
10131 } else if (board[fromY][fromX] == king
10132 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10133 && toY == fromY && toX > fromX+1) {
10134 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10135 board[fromY][toX-1] = board[fromY][rookX];
10136 board[fromY][rookX] = EmptySquare;
10137 board[fromY][fromX] = EmptySquare;
10138 board[toY][toX] = king;
10139 } else if (board[fromY][fromX] == king
10140 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10141 && toY == fromY && toX < fromX-1) {
10142 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10143 board[fromY][toX+1] = board[fromY][rookX];
10144 board[fromY][rookX] = EmptySquare;
10145 board[fromY][fromX] = EmptySquare;
10146 board[toY][toX] = king;
10147 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10148 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10149 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10151 /* white pawn promotion */
10152 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10153 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10154 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10155 board[fromY][fromX] = EmptySquare;
10156 } else if ((fromY >= BOARD_HEIGHT>>1)
10157 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10159 && gameInfo.variant != VariantXiangqi
10160 && gameInfo.variant != VariantBerolina
10161 && (pawn == WhitePawn)
10162 && (board[toY][toX] == EmptySquare)) {
10163 board[fromY][fromX] = EmptySquare;
10164 board[toY][toX] = piece;
10165 if(toY == epRank - 128 + 1)
10166 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10168 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10169 } else if ((fromY == BOARD_HEIGHT-4)
10171 && gameInfo.variant == VariantBerolina
10172 && (board[fromY][fromX] == WhitePawn)
10173 && (board[toY][toX] == EmptySquare)) {
10174 board[fromY][fromX] = EmptySquare;
10175 board[toY][toX] = WhitePawn;
10176 if(oldEP & EP_BEROLIN_A) {
10177 captured = board[fromY][fromX-1];
10178 board[fromY][fromX-1] = EmptySquare;
10179 }else{ captured = board[fromY][fromX+1];
10180 board[fromY][fromX+1] = EmptySquare;
10182 } else if (board[fromY][fromX] == king
10183 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10184 && toY == fromY && toX > fromX+1) {
10185 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10186 board[fromY][toX-1] = board[fromY][rookX];
10187 board[fromY][rookX] = EmptySquare;
10188 board[fromY][fromX] = EmptySquare;
10189 board[toY][toX] = king;
10190 } else if (board[fromY][fromX] == king
10191 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10192 && toY == fromY && toX < fromX-1) {
10193 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10194 board[fromY][toX+1] = board[fromY][rookX];
10195 board[fromY][rookX] = EmptySquare;
10196 board[fromY][fromX] = EmptySquare;
10197 board[toY][toX] = king;
10198 } else if (fromY == 7 && fromX == 3
10199 && board[fromY][fromX] == BlackKing
10200 && toY == 7 && toX == 5) {
10201 board[fromY][fromX] = EmptySquare;
10202 board[toY][toX] = BlackKing;
10203 board[fromY][7] = EmptySquare;
10204 board[toY][4] = BlackRook;
10205 } else if (fromY == 7 && fromX == 3
10206 && board[fromY][fromX] == BlackKing
10207 && toY == 7 && toX == 1) {
10208 board[fromY][fromX] = EmptySquare;
10209 board[toY][toX] = BlackKing;
10210 board[fromY][0] = EmptySquare;
10211 board[toY][2] = BlackRook;
10212 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10213 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10214 && toY < promoRank && promoChar
10216 /* black pawn promotion */
10217 board[toY][toX] = CharToPiece(ToLower(promoChar));
10218 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10219 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10220 board[fromY][fromX] = EmptySquare;
10221 } else if ((fromY < BOARD_HEIGHT>>1)
10222 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10224 && gameInfo.variant != VariantXiangqi
10225 && gameInfo.variant != VariantBerolina
10226 && (pawn == BlackPawn)
10227 && (board[toY][toX] == EmptySquare)) {
10228 board[fromY][fromX] = EmptySquare;
10229 board[toY][toX] = piece;
10230 if(toY == epRank - 128 - 1)
10231 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10233 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10234 } else if ((fromY == 3)
10236 && gameInfo.variant == VariantBerolina
10237 && (board[fromY][fromX] == BlackPawn)
10238 && (board[toY][toX] == EmptySquare)) {
10239 board[fromY][fromX] = EmptySquare;
10240 board[toY][toX] = BlackPawn;
10241 if(oldEP & EP_BEROLIN_A) {
10242 captured = board[fromY][fromX-1];
10243 board[fromY][fromX-1] = EmptySquare;
10244 }else{ captured = board[fromY][fromX+1];
10245 board[fromY][fromX+1] = EmptySquare;
10248 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10249 board[fromY][fromX] = EmptySquare;
10250 board[toY][toX] = piece;
10254 if (gameInfo.holdingsWidth != 0) {
10256 /* !!A lot more code needs to be written to support holdings */
10257 /* [HGM] OK, so I have written it. Holdings are stored in the */
10258 /* penultimate board files, so they are automaticlly stored */
10259 /* in the game history. */
10260 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10261 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10262 /* Delete from holdings, by decreasing count */
10263 /* and erasing image if necessary */
10264 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10265 if(p < (int) BlackPawn) { /* white drop */
10266 p -= (int)WhitePawn;
10267 p = PieceToNumber((ChessSquare)p);
10268 if(p >= gameInfo.holdingsSize) p = 0;
10269 if(--board[p][BOARD_WIDTH-2] <= 0)
10270 board[p][BOARD_WIDTH-1] = EmptySquare;
10271 if((int)board[p][BOARD_WIDTH-2] < 0)
10272 board[p][BOARD_WIDTH-2] = 0;
10273 } else { /* black drop */
10274 p -= (int)BlackPawn;
10275 p = PieceToNumber((ChessSquare)p);
10276 if(p >= gameInfo.holdingsSize) p = 0;
10277 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10278 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10279 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10280 board[BOARD_HEIGHT-1-p][1] = 0;
10283 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10284 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10285 /* [HGM] holdings: Add to holdings, if holdings exist */
10286 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10287 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10288 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10290 p = (int) captured;
10291 if (p >= (int) BlackPawn) {
10292 p -= (int)BlackPawn;
10293 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10294 /* Restore shogi-promoted piece to its original first */
10295 captured = (ChessSquare) (DEMOTED captured);
10298 p = PieceToNumber((ChessSquare)p);
10299 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10300 board[p][BOARD_WIDTH-2]++;
10301 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10303 p -= (int)WhitePawn;
10304 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10305 captured = (ChessSquare) (DEMOTED captured);
10308 p = PieceToNumber((ChessSquare)p);
10309 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10310 board[BOARD_HEIGHT-1-p][1]++;
10311 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10314 } else if (gameInfo.variant == VariantAtomic) {
10315 if (captured != EmptySquare) {
10317 for (y = toY-1; y <= toY+1; y++) {
10318 for (x = toX-1; x <= toX+1; x++) {
10319 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10320 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10321 board[y][x] = EmptySquare;
10325 board[toY][toX] = EmptySquare;
10329 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10330 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10332 if(promoChar == '+') {
10333 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10334 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10335 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10336 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10337 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10338 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10339 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10340 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10341 board[toY][toX] = newPiece;
10343 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10344 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10345 // [HGM] superchess: take promotion piece out of holdings
10346 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10347 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10348 if(!--board[k][BOARD_WIDTH-2])
10349 board[k][BOARD_WIDTH-1] = EmptySquare;
10351 if(!--board[BOARD_HEIGHT-1-k][1])
10352 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10357 /* Updates forwardMostMove */
10359 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10361 int x = toX, y = toY;
10362 char *s = parseList[forwardMostMove];
10363 ChessSquare p = boards[forwardMostMove][toY][toX];
10364 // forwardMostMove++; // [HGM] bare: moved downstream
10366 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10367 (void) CoordsToAlgebraic(boards[forwardMostMove],
10368 PosFlags(forwardMostMove),
10369 fromY, fromX, y, x, promoChar,
10371 if(killX >= 0 && killY >= 0)
10372 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10374 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10375 int timeLeft; static int lastLoadFlag=0; int king, piece;
10376 piece = boards[forwardMostMove][fromY][fromX];
10377 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10378 if(gameInfo.variant == VariantKnightmate)
10379 king += (int) WhiteUnicorn - (int) WhiteKing;
10380 if(forwardMostMove == 0) {
10381 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10382 fprintf(serverMoves, "%s;", UserName());
10383 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10384 fprintf(serverMoves, "%s;", second.tidy);
10385 fprintf(serverMoves, "%s;", first.tidy);
10386 if(gameMode == MachinePlaysWhite)
10387 fprintf(serverMoves, "%s;", UserName());
10388 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10389 fprintf(serverMoves, "%s;", second.tidy);
10390 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10391 lastLoadFlag = loadFlag;
10393 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10394 // print castling suffix
10395 if( toY == fromY && piece == king ) {
10397 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10399 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10402 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10403 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10404 boards[forwardMostMove][toY][toX] == EmptySquare
10405 && fromX != toX && fromY != toY)
10406 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10407 // promotion suffix
10408 if(promoChar != NULLCHAR) {
10409 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10410 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10411 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10412 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10415 char buf[MOVE_LEN*2], *p; int len;
10416 fprintf(serverMoves, "/%d/%d",
10417 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10418 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10419 else timeLeft = blackTimeRemaining/1000;
10420 fprintf(serverMoves, "/%d", timeLeft);
10421 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10422 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10423 if(p = strchr(buf, '=')) *p = NULLCHAR;
10424 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10425 fprintf(serverMoves, "/%s", buf);
10427 fflush(serverMoves);
10430 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10431 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10434 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10435 if (commentList[forwardMostMove+1] != NULL) {
10436 free(commentList[forwardMostMove+1]);
10437 commentList[forwardMostMove+1] = NULL;
10439 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10440 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10441 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10442 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10443 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10444 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10445 adjustedClock = FALSE;
10446 gameInfo.result = GameUnfinished;
10447 if (gameInfo.resultDetails != NULL) {
10448 free(gameInfo.resultDetails);
10449 gameInfo.resultDetails = NULL;
10451 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10452 moveList[forwardMostMove - 1]);
10453 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10459 if(!IS_SHOGI(gameInfo.variant))
10460 strcat(parseList[forwardMostMove - 1], "+");
10464 strcat(parseList[forwardMostMove - 1], "#");
10469 /* Updates currentMove if not pausing */
10471 ShowMove (int fromX, int fromY, int toX, int toY)
10473 int instant = (gameMode == PlayFromGameFile) ?
10474 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10475 if(appData.noGUI) return;
10476 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10478 if (forwardMostMove == currentMove + 1) {
10479 AnimateMove(boards[forwardMostMove - 1],
10480 fromX, fromY, toX, toY);
10483 currentMove = forwardMostMove;
10486 killX = killY = -1; // [HGM] lion: used up
10488 if (instant) return;
10490 DisplayMove(currentMove - 1);
10491 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10492 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10493 SetHighlights(fromX, fromY, toX, toY);
10496 DrawPosition(FALSE, boards[currentMove]);
10497 DisplayBothClocks();
10498 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10502 SendEgtPath (ChessProgramState *cps)
10503 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10504 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10506 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10509 char c, *q = name+1, *r, *s;
10511 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10512 while(*p && *p != ',') *q++ = *p++;
10513 *q++ = ':'; *q = 0;
10514 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10515 strcmp(name, ",nalimov:") == 0 ) {
10516 // take nalimov path from the menu-changeable option first, if it is defined
10517 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10518 SendToProgram(buf,cps); // send egtbpath command for nalimov
10520 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10521 (s = StrStr(appData.egtFormats, name)) != NULL) {
10522 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10523 s = r = StrStr(s, ":") + 1; // beginning of path info
10524 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10525 c = *r; *r = 0; // temporarily null-terminate path info
10526 *--q = 0; // strip of trailig ':' from name
10527 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10529 SendToProgram(buf,cps); // send egtbpath command for this format
10531 if(*p == ',') p++; // read away comma to position for next format name
10536 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10538 int width = 8, height = 8, holdings = 0; // most common sizes
10539 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10540 // correct the deviations default for each variant
10541 if( v == VariantXiangqi ) width = 9, height = 10;
10542 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10543 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10544 if( v == VariantCapablanca || v == VariantCapaRandom ||
10545 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10547 if( v == VariantCourier ) width = 12;
10548 if( v == VariantSuper ) holdings = 8;
10549 if( v == VariantGreat ) width = 10, holdings = 8;
10550 if( v == VariantSChess ) holdings = 7;
10551 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10552 if( v == VariantChuChess) width = 10, height = 10;
10553 if( v == VariantChu ) width = 12, height = 12;
10554 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10555 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10556 holdingsSize >= 0 && holdingsSize != holdings;
10559 char variantError[MSG_SIZ];
10562 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10563 { // returns error message (recognizable by upper-case) if engine does not support the variant
10564 char *p, *variant = VariantName(v);
10565 static char b[MSG_SIZ];
10566 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10567 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10568 holdingsSize, variant); // cook up sized variant name
10569 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10570 if(StrStr(list, b) == NULL) {
10571 // specific sized variant not known, check if general sizing allowed
10572 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10573 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10574 boardWidth, boardHeight, holdingsSize, engine);
10577 /* [HGM] here we really should compare with the maximum supported board size */
10579 } else snprintf(b, MSG_SIZ,"%s", variant);
10580 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10581 p = StrStr(list, b);
10582 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10584 // occurs not at all in list, or only as sub-string
10585 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10586 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10587 int l = strlen(variantError);
10589 while(p != list && p[-1] != ',') p--;
10590 q = strchr(p, ',');
10591 if(q) *q = NULLCHAR;
10592 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10601 InitChessProgram (ChessProgramState *cps, int setup)
10602 /* setup needed to setup FRC opening position */
10604 char buf[MSG_SIZ], *b;
10605 if (appData.noChessProgram) return;
10606 hintRequested = FALSE;
10607 bookRequested = FALSE;
10609 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10610 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10611 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10612 if(cps->memSize) { /* [HGM] memory */
10613 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10614 SendToProgram(buf, cps);
10616 SendEgtPath(cps); /* [HGM] EGT */
10617 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10618 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10619 SendToProgram(buf, cps);
10622 setboardSpoiledMachineBlack = FALSE;
10623 SendToProgram(cps->initString, cps);
10624 if (gameInfo.variant != VariantNormal &&
10625 gameInfo.variant != VariantLoadable
10626 /* [HGM] also send variant if board size non-standard */
10627 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10629 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10630 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10633 char c, *q = cps->variants, *p = strchr(q, ',');
10634 if(p) *p = NULLCHAR;
10635 v = StringToVariant(q);
10636 DisplayError(variantError, 0);
10637 if(v != VariantUnknown && cps == &first) {
10639 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10640 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10641 ASSIGN(appData.variant, q);
10642 Reset(TRUE, FALSE);
10648 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10649 SendToProgram(buf, cps);
10651 currentlyInitializedVariant = gameInfo.variant;
10653 /* [HGM] send opening position in FRC to first engine */
10655 SendToProgram("force\n", cps);
10657 /* engine is now in force mode! Set flag to wake it up after first move. */
10658 setboardSpoiledMachineBlack = 1;
10661 if (cps->sendICS) {
10662 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10663 SendToProgram(buf, cps);
10665 cps->maybeThinking = FALSE;
10666 cps->offeredDraw = 0;
10667 if (!appData.icsActive) {
10668 SendTimeControl(cps, movesPerSession, timeControl,
10669 timeIncrement, appData.searchDepth,
10672 if (appData.showThinking
10673 // [HGM] thinking: four options require thinking output to be sent
10674 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10676 SendToProgram("post\n", cps);
10678 SendToProgram("hard\n", cps);
10679 if (!appData.ponderNextMove) {
10680 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10681 it without being sure what state we are in first. "hard"
10682 is not a toggle, so that one is OK.
10684 SendToProgram("easy\n", cps);
10686 if (cps->usePing) {
10687 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10688 SendToProgram(buf, cps);
10690 cps->initDone = TRUE;
10691 ClearEngineOutputPane(cps == &second);
10696 ResendOptions (ChessProgramState *cps)
10697 { // send the stored value of the options
10700 Option *opt = cps->option;
10701 for(i=0; i<cps->nrOptions; i++, opt++) {
10702 switch(opt->type) {
10706 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10709 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10712 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10718 SendToProgram(buf, cps);
10723 StartChessProgram (ChessProgramState *cps)
10728 if (appData.noChessProgram) return;
10729 cps->initDone = FALSE;
10731 if (strcmp(cps->host, "localhost") == 0) {
10732 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10733 } else if (*appData.remoteShell == NULLCHAR) {
10734 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10736 if (*appData.remoteUser == NULLCHAR) {
10737 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10740 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10741 cps->host, appData.remoteUser, cps->program);
10743 err = StartChildProcess(buf, "", &cps->pr);
10747 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10748 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10749 if(cps != &first) return;
10750 appData.noChessProgram = TRUE;
10753 // DisplayFatalError(buf, err, 1);
10754 // cps->pr = NoProc;
10755 // cps->isr = NULL;
10759 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10760 if (cps->protocolVersion > 1) {
10761 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10762 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10763 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10764 cps->comboCnt = 0; // and values of combo boxes
10766 SendToProgram(buf, cps);
10767 if(cps->reload) ResendOptions(cps);
10769 SendToProgram("xboard\n", cps);
10774 TwoMachinesEventIfReady P((void))
10776 static int curMess = 0;
10777 if (first.lastPing != first.lastPong) {
10778 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10779 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10782 if (second.lastPing != second.lastPong) {
10783 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10784 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10787 DisplayMessage("", ""); curMess = 0;
10788 TwoMachinesEvent();
10792 MakeName (char *template)
10796 static char buf[MSG_SIZ];
10800 clock = time((time_t *)NULL);
10801 tm = localtime(&clock);
10803 while(*p++ = *template++) if(p[-1] == '%') {
10804 switch(*template++) {
10805 case 0: *p = 0; return buf;
10806 case 'Y': i = tm->tm_year+1900; break;
10807 case 'y': i = tm->tm_year-100; break;
10808 case 'M': i = tm->tm_mon+1; break;
10809 case 'd': i = tm->tm_mday; break;
10810 case 'h': i = tm->tm_hour; break;
10811 case 'm': i = tm->tm_min; break;
10812 case 's': i = tm->tm_sec; break;
10815 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10821 CountPlayers (char *p)
10824 while(p = strchr(p, '\n')) p++, n++; // count participants
10829 WriteTourneyFile (char *results, FILE *f)
10830 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10831 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10832 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10833 // create a file with tournament description
10834 fprintf(f, "-participants {%s}\n", appData.participants);
10835 fprintf(f, "-seedBase %d\n", appData.seedBase);
10836 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10837 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10838 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10839 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10840 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10841 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10842 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10843 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10844 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10845 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10846 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10847 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10848 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10849 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10850 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10851 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10852 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10853 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10854 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10855 fprintf(f, "-smpCores %d\n", appData.smpCores);
10857 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10859 fprintf(f, "-mps %d\n", appData.movesPerSession);
10860 fprintf(f, "-tc %s\n", appData.timeControl);
10861 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10863 fprintf(f, "-results \"%s\"\n", results);
10868 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10871 Substitute (char *participants, int expunge)
10873 int i, changed, changes=0, nPlayers=0;
10874 char *p, *q, *r, buf[MSG_SIZ];
10875 if(participants == NULL) return;
10876 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10877 r = p = participants; q = appData.participants;
10878 while(*p && *p == *q) {
10879 if(*p == '\n') r = p+1, nPlayers++;
10882 if(*p) { // difference
10883 while(*p && *p++ != '\n');
10884 while(*q && *q++ != '\n');
10885 changed = nPlayers;
10886 changes = 1 + (strcmp(p, q) != 0);
10888 if(changes == 1) { // a single engine mnemonic was changed
10889 q = r; while(*q) nPlayers += (*q++ == '\n');
10890 p = buf; while(*r && (*p = *r++) != '\n') p++;
10892 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10893 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10894 if(mnemonic[i]) { // The substitute is valid
10896 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10897 flock(fileno(f), LOCK_EX);
10898 ParseArgsFromFile(f);
10899 fseek(f, 0, SEEK_SET);
10900 FREE(appData.participants); appData.participants = participants;
10901 if(expunge) { // erase results of replaced engine
10902 int len = strlen(appData.results), w, b, dummy;
10903 for(i=0; i<len; i++) {
10904 Pairing(i, nPlayers, &w, &b, &dummy);
10905 if((w == changed || b == changed) && appData.results[i] == '*') {
10906 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10911 for(i=0; i<len; i++) {
10912 Pairing(i, nPlayers, &w, &b, &dummy);
10913 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10916 WriteTourneyFile(appData.results, f);
10917 fclose(f); // release lock
10920 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10922 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10923 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10924 free(participants);
10929 CheckPlayers (char *participants)
10932 char buf[MSG_SIZ], *p;
10933 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10934 while(p = strchr(participants, '\n')) {
10936 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10938 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10940 DisplayError(buf, 0);
10944 participants = p + 1;
10950 CreateTourney (char *name)
10953 if(matchMode && strcmp(name, appData.tourneyFile)) {
10954 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10956 if(name[0] == NULLCHAR) {
10957 if(appData.participants[0])
10958 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10961 f = fopen(name, "r");
10962 if(f) { // file exists
10963 ASSIGN(appData.tourneyFile, name);
10964 ParseArgsFromFile(f); // parse it
10966 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10967 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10968 DisplayError(_("Not enough participants"), 0);
10971 if(CheckPlayers(appData.participants)) return 0;
10972 ASSIGN(appData.tourneyFile, name);
10973 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10974 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10977 appData.noChessProgram = FALSE;
10978 appData.clockMode = TRUE;
10984 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10986 char buf[MSG_SIZ], *p, *q;
10987 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10988 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10989 skip = !all && group[0]; // if group requested, we start in skip mode
10990 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10991 p = names; q = buf; header = 0;
10992 while(*p && *p != '\n') *q++ = *p++;
10994 if(*p == '\n') p++;
10995 if(buf[0] == '#') {
10996 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10997 depth++; // we must be entering a new group
10998 if(all) continue; // suppress printing group headers when complete list requested
11000 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11002 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11003 if(engineList[i]) free(engineList[i]);
11004 engineList[i] = strdup(buf);
11005 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11006 if(engineMnemonic[i]) free(engineMnemonic[i]);
11007 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11009 sscanf(q + 8, "%s", buf + strlen(buf));
11012 engineMnemonic[i] = strdup(buf);
11015 engineList[i] = engineMnemonic[i] = NULL;
11019 // following implemented as macro to avoid type limitations
11020 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11023 SwapEngines (int n)
11024 { // swap settings for first engine and other engine (so far only some selected options)
11029 SWAP(chessProgram, p)
11031 SWAP(hasOwnBookUCI, h)
11032 SWAP(protocolVersion, h)
11034 SWAP(scoreIsAbsolute, h)
11039 SWAP(engOptions, p)
11040 SWAP(engInitString, p)
11041 SWAP(computerString, p)
11043 SWAP(fenOverride, p)
11045 SWAP(accumulateTC, h)
11052 GetEngineLine (char *s, int n)
11056 extern char *icsNames;
11057 if(!s || !*s) return 0;
11058 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11059 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11060 if(!mnemonic[i]) return 0;
11061 if(n == 11) return 1; // just testing if there was a match
11062 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11063 if(n == 1) SwapEngines(n);
11064 ParseArgsFromString(buf);
11065 if(n == 1) SwapEngines(n);
11066 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11067 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11068 ParseArgsFromString(buf);
11074 SetPlayer (int player, char *p)
11075 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11077 char buf[MSG_SIZ], *engineName;
11078 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11079 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11080 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11082 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11083 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11084 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11085 ParseArgsFromString(buf);
11086 } else { // no engine with this nickname is installed!
11087 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11088 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11089 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11091 DisplayError(buf, 0);
11098 char *recentEngines;
11101 RecentEngineEvent (int nr)
11104 // SwapEngines(1); // bump first to second
11105 // ReplaceEngine(&second, 1); // and load it there
11106 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11107 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11108 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11109 ReplaceEngine(&first, 0);
11110 FloatToFront(&appData.recentEngineList, command[n]);
11115 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11116 { // determine players from game number
11117 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11119 if(appData.tourneyType == 0) {
11120 roundsPerCycle = (nPlayers - 1) | 1;
11121 pairingsPerRound = nPlayers / 2;
11122 } else if(appData.tourneyType > 0) {
11123 roundsPerCycle = nPlayers - appData.tourneyType;
11124 pairingsPerRound = appData.tourneyType;
11126 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11127 gamesPerCycle = gamesPerRound * roundsPerCycle;
11128 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11129 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11130 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11131 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11132 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11133 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11135 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11136 if(appData.roundSync) *syncInterval = gamesPerRound;
11138 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11140 if(appData.tourneyType == 0) {
11141 if(curPairing == (nPlayers-1)/2 ) {
11142 *whitePlayer = curRound;
11143 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11145 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11146 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11147 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11148 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11150 } else if(appData.tourneyType > 1) {
11151 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11152 *whitePlayer = curRound + appData.tourneyType;
11153 } else if(appData.tourneyType > 0) {
11154 *whitePlayer = curPairing;
11155 *blackPlayer = curRound + appData.tourneyType;
11158 // take care of white/black alternation per round.
11159 // For cycles and games this is already taken care of by default, derived from matchGame!
11160 return curRound & 1;
11164 NextTourneyGame (int nr, int *swapColors)
11165 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11167 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11169 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11170 tf = fopen(appData.tourneyFile, "r");
11171 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11172 ParseArgsFromFile(tf); fclose(tf);
11173 InitTimeControls(); // TC might be altered from tourney file
11175 nPlayers = CountPlayers(appData.participants); // count participants
11176 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11177 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11180 p = q = appData.results;
11181 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11182 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11183 DisplayMessage(_("Waiting for other game(s)"),"");
11184 waitingForGame = TRUE;
11185 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11188 waitingForGame = FALSE;
11191 if(appData.tourneyType < 0) {
11192 if(nr>=0 && !pairingReceived) {
11194 if(pairing.pr == NoProc) {
11195 if(!appData.pairingEngine[0]) {
11196 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11199 StartChessProgram(&pairing); // starts the pairing engine
11201 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11202 SendToProgram(buf, &pairing);
11203 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11204 SendToProgram(buf, &pairing);
11205 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11207 pairingReceived = 0; // ... so we continue here
11209 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11210 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11211 matchGame = 1; roundNr = nr / syncInterval + 1;
11214 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11216 // redefine engines, engine dir, etc.
11217 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11218 if(first.pr == NoProc) {
11219 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11220 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11222 if(second.pr == NoProc) {
11224 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11225 SwapEngines(1); // and make that valid for second engine by swapping
11226 InitEngine(&second, 1);
11228 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11229 UpdateLogos(FALSE); // leave display to ModeHiglight()
11235 { // performs game initialization that does not invoke engines, and then tries to start the game
11236 int res, firstWhite, swapColors = 0;
11237 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11238 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
11240 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11241 if(strcmp(buf, currentDebugFile)) { // name has changed
11242 FILE *f = fopen(buf, "w");
11243 if(f) { // if opening the new file failed, just keep using the old one
11244 ASSIGN(currentDebugFile, buf);
11248 if(appData.serverFileName) {
11249 if(serverFP) fclose(serverFP);
11250 serverFP = fopen(appData.serverFileName, "w");
11251 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11252 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11256 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11257 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11258 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11259 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11260 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11261 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11262 Reset(FALSE, first.pr != NoProc);
11263 res = LoadGameOrPosition(matchGame); // setup game
11264 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11265 if(!res) return; // abort when bad game/pos file
11266 TwoMachinesEvent();
11270 UserAdjudicationEvent (int result)
11272 ChessMove gameResult = GameIsDrawn;
11275 gameResult = WhiteWins;
11277 else if( result < 0 ) {
11278 gameResult = BlackWins;
11281 if( gameMode == TwoMachinesPlay ) {
11282 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11287 // [HGM] save: calculate checksum of game to make games easily identifiable
11289 StringCheckSum (char *s)
11292 if(s==NULL) return 0;
11293 while(*s) i = i*259 + *s++;
11301 for(i=backwardMostMove; i<forwardMostMove; i++) {
11302 sum += pvInfoList[i].depth;
11303 sum += StringCheckSum(parseList[i]);
11304 sum += StringCheckSum(commentList[i]);
11307 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11308 return sum + StringCheckSum(commentList[i]);
11309 } // end of save patch
11312 GameEnds (ChessMove result, char *resultDetails, int whosays)
11314 GameMode nextGameMode;
11316 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11318 if(endingGame) return; /* [HGM] crash: forbid recursion */
11320 if(twoBoards) { // [HGM] dual: switch back to one board
11321 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11322 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11324 if (appData.debugMode) {
11325 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11326 result, resultDetails ? resultDetails : "(null)", whosays);
11329 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11331 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11333 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11334 /* If we are playing on ICS, the server decides when the
11335 game is over, but the engine can offer to draw, claim
11339 if (appData.zippyPlay && first.initDone) {
11340 if (result == GameIsDrawn) {
11341 /* In case draw still needs to be claimed */
11342 SendToICS(ics_prefix);
11343 SendToICS("draw\n");
11344 } else if (StrCaseStr(resultDetails, "resign")) {
11345 SendToICS(ics_prefix);
11346 SendToICS("resign\n");
11350 endingGame = 0; /* [HGM] crash */
11354 /* If we're loading the game from a file, stop */
11355 if (whosays == GE_FILE) {
11356 (void) StopLoadGameTimer();
11360 /* Cancel draw offers */
11361 first.offeredDraw = second.offeredDraw = 0;
11363 /* If this is an ICS game, only ICS can really say it's done;
11364 if not, anyone can. */
11365 isIcsGame = (gameMode == IcsPlayingWhite ||
11366 gameMode == IcsPlayingBlack ||
11367 gameMode == IcsObserving ||
11368 gameMode == IcsExamining);
11370 if (!isIcsGame || whosays == GE_ICS) {
11371 /* OK -- not an ICS game, or ICS said it was done */
11373 if (!isIcsGame && !appData.noChessProgram)
11374 SetUserThinkingEnables();
11376 /* [HGM] if a machine claims the game end we verify this claim */
11377 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11378 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11380 ChessMove trueResult = (ChessMove) -1;
11382 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11383 first.twoMachinesColor[0] :
11384 second.twoMachinesColor[0] ;
11386 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11387 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11388 /* [HGM] verify: engine mate claims accepted if they were flagged */
11389 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11391 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11392 /* [HGM] verify: engine mate claims accepted if they were flagged */
11393 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11395 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11396 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11399 // now verify win claims, but not in drop games, as we don't understand those yet
11400 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11401 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11402 (result == WhiteWins && claimer == 'w' ||
11403 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11404 if (appData.debugMode) {
11405 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11406 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11408 if(result != trueResult) {
11409 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11410 result = claimer == 'w' ? BlackWins : WhiteWins;
11411 resultDetails = buf;
11414 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11415 && (forwardMostMove <= backwardMostMove ||
11416 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11417 (claimer=='b')==(forwardMostMove&1))
11419 /* [HGM] verify: draws that were not flagged are false claims */
11420 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11421 result = claimer == 'w' ? BlackWins : WhiteWins;
11422 resultDetails = buf;
11424 /* (Claiming a loss is accepted no questions asked!) */
11425 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11426 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11427 result = GameUnfinished;
11428 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11430 /* [HGM] bare: don't allow bare King to win */
11431 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11432 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11433 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11434 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11435 && result != GameIsDrawn)
11436 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11437 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11438 int p = (signed char)boards[forwardMostMove][i][j] - color;
11439 if(p >= 0 && p <= (int)WhiteKing) k++;
11440 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11442 if (appData.debugMode) {
11443 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11444 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11446 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11447 result = GameIsDrawn;
11448 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11449 resultDetails = buf;
11455 if(serverMoves != NULL && !loadFlag) { char c = '=';
11456 if(result==WhiteWins) c = '+';
11457 if(result==BlackWins) c = '-';
11458 if(resultDetails != NULL)
11459 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11461 if (resultDetails != NULL) {
11462 gameInfo.result = result;
11463 gameInfo.resultDetails = StrSave(resultDetails);
11465 /* display last move only if game was not loaded from file */
11466 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11467 DisplayMove(currentMove - 1);
11469 if (forwardMostMove != 0) {
11470 if (gameMode != PlayFromGameFile && gameMode != EditGame
11471 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11473 if (*appData.saveGameFile != NULLCHAR) {
11474 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11475 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11477 SaveGameToFile(appData.saveGameFile, TRUE);
11478 } else if (appData.autoSaveGames) {
11479 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11481 if (*appData.savePositionFile != NULLCHAR) {
11482 SavePositionToFile(appData.savePositionFile);
11484 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11488 /* Tell program how game ended in case it is learning */
11489 /* [HGM] Moved this to after saving the PGN, just in case */
11490 /* engine died and we got here through time loss. In that */
11491 /* case we will get a fatal error writing the pipe, which */
11492 /* would otherwise lose us the PGN. */
11493 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11494 /* output during GameEnds should never be fatal anymore */
11495 if (gameMode == MachinePlaysWhite ||
11496 gameMode == MachinePlaysBlack ||
11497 gameMode == TwoMachinesPlay ||
11498 gameMode == IcsPlayingWhite ||
11499 gameMode == IcsPlayingBlack ||
11500 gameMode == BeginningOfGame) {
11502 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11504 if (first.pr != NoProc) {
11505 SendToProgram(buf, &first);
11507 if (second.pr != NoProc &&
11508 gameMode == TwoMachinesPlay) {
11509 SendToProgram(buf, &second);
11514 if (appData.icsActive) {
11515 if (appData.quietPlay &&
11516 (gameMode == IcsPlayingWhite ||
11517 gameMode == IcsPlayingBlack)) {
11518 SendToICS(ics_prefix);
11519 SendToICS("set shout 1\n");
11521 nextGameMode = IcsIdle;
11522 ics_user_moved = FALSE;
11523 /* clean up premove. It's ugly when the game has ended and the
11524 * premove highlights are still on the board.
11527 gotPremove = FALSE;
11528 ClearPremoveHighlights();
11529 DrawPosition(FALSE, boards[currentMove]);
11531 if (whosays == GE_ICS) {
11534 if (gameMode == IcsPlayingWhite)
11536 else if(gameMode == IcsPlayingBlack)
11537 PlayIcsLossSound();
11540 if (gameMode == IcsPlayingBlack)
11542 else if(gameMode == IcsPlayingWhite)
11543 PlayIcsLossSound();
11546 PlayIcsDrawSound();
11549 PlayIcsUnfinishedSound();
11552 if(appData.quitNext) { ExitEvent(0); return; }
11553 } else if (gameMode == EditGame ||
11554 gameMode == PlayFromGameFile ||
11555 gameMode == AnalyzeMode ||
11556 gameMode == AnalyzeFile) {
11557 nextGameMode = gameMode;
11559 nextGameMode = EndOfGame;
11564 nextGameMode = gameMode;
11567 if (appData.noChessProgram) {
11568 gameMode = nextGameMode;
11570 endingGame = 0; /* [HGM] crash */
11575 /* Put first chess program into idle state */
11576 if (first.pr != NoProc &&
11577 (gameMode == MachinePlaysWhite ||
11578 gameMode == MachinePlaysBlack ||
11579 gameMode == TwoMachinesPlay ||
11580 gameMode == IcsPlayingWhite ||
11581 gameMode == IcsPlayingBlack ||
11582 gameMode == BeginningOfGame)) {
11583 SendToProgram("force\n", &first);
11584 if (first.usePing) {
11586 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11587 SendToProgram(buf, &first);
11590 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11591 /* Kill off first chess program */
11592 if (first.isr != NULL)
11593 RemoveInputSource(first.isr);
11596 if (first.pr != NoProc) {
11598 DoSleep( appData.delayBeforeQuit );
11599 SendToProgram("quit\n", &first);
11600 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11601 first.reload = TRUE;
11605 if (second.reuse) {
11606 /* Put second chess program into idle state */
11607 if (second.pr != NoProc &&
11608 gameMode == TwoMachinesPlay) {
11609 SendToProgram("force\n", &second);
11610 if (second.usePing) {
11612 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11613 SendToProgram(buf, &second);
11616 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11617 /* Kill off second chess program */
11618 if (second.isr != NULL)
11619 RemoveInputSource(second.isr);
11622 if (second.pr != NoProc) {
11623 DoSleep( appData.delayBeforeQuit );
11624 SendToProgram("quit\n", &second);
11625 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11626 second.reload = TRUE;
11628 second.pr = NoProc;
11631 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11632 char resChar = '=';
11636 if (first.twoMachinesColor[0] == 'w') {
11639 second.matchWins++;
11644 if (first.twoMachinesColor[0] == 'b') {
11647 second.matchWins++;
11650 case GameUnfinished:
11656 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11657 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11658 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11659 ReserveGame(nextGame, resChar); // sets nextGame
11660 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11661 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11662 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11664 if (nextGame <= appData.matchGames && !abortMatch) {
11665 gameMode = nextGameMode;
11666 matchGame = nextGame; // this will be overruled in tourney mode!
11667 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11668 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11669 endingGame = 0; /* [HGM] crash */
11672 gameMode = nextGameMode;
11673 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11674 first.tidy, second.tidy,
11675 first.matchWins, second.matchWins,
11676 appData.matchGames - (first.matchWins + second.matchWins));
11677 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11678 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11679 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11680 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11681 first.twoMachinesColor = "black\n";
11682 second.twoMachinesColor = "white\n";
11684 first.twoMachinesColor = "white\n";
11685 second.twoMachinesColor = "black\n";
11689 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11690 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11692 gameMode = nextGameMode;
11694 endingGame = 0; /* [HGM] crash */
11695 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11696 if(matchMode == TRUE) { // match through command line: exit with or without popup
11698 ToNrEvent(forwardMostMove);
11699 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11701 } else DisplayFatalError(buf, 0, 0);
11702 } else { // match through menu; just stop, with or without popup
11703 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11706 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11707 } else DisplayNote(buf);
11709 if(ranking) free(ranking);
11713 /* Assumes program was just initialized (initString sent).
11714 Leaves program in force mode. */
11716 FeedMovesToProgram (ChessProgramState *cps, int upto)
11720 if (appData.debugMode)
11721 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11722 startedFromSetupPosition ? "position and " : "",
11723 backwardMostMove, upto, cps->which);
11724 if(currentlyInitializedVariant != gameInfo.variant) {
11726 // [HGM] variantswitch: make engine aware of new variant
11727 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11728 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11729 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11730 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11731 SendToProgram(buf, cps);
11732 currentlyInitializedVariant = gameInfo.variant;
11734 SendToProgram("force\n", cps);
11735 if (startedFromSetupPosition) {
11736 SendBoard(cps, backwardMostMove);
11737 if (appData.debugMode) {
11738 fprintf(debugFP, "feedMoves\n");
11741 for (i = backwardMostMove; i < upto; i++) {
11742 SendMoveToProgram(i, cps);
11748 ResurrectChessProgram ()
11750 /* The chess program may have exited.
11751 If so, restart it and feed it all the moves made so far. */
11752 static int doInit = 0;
11754 if (appData.noChessProgram) return 1;
11756 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11757 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11758 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11759 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11761 if (first.pr != NoProc) return 1;
11762 StartChessProgram(&first);
11764 InitChessProgram(&first, FALSE);
11765 FeedMovesToProgram(&first, currentMove);
11767 if (!first.sendTime) {
11768 /* can't tell gnuchess what its clock should read,
11769 so we bow to its notion. */
11771 timeRemaining[0][currentMove] = whiteTimeRemaining;
11772 timeRemaining[1][currentMove] = blackTimeRemaining;
11775 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11776 appData.icsEngineAnalyze) && first.analysisSupport) {
11777 SendToProgram("analyze\n", &first);
11778 first.analyzing = TRUE;
11784 * Button procedures
11787 Reset (int redraw, int init)
11791 if (appData.debugMode) {
11792 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11793 redraw, init, gameMode);
11795 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11796 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11797 CleanupTail(); // [HGM] vari: delete any stored variations
11798 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11799 pausing = pauseExamInvalid = FALSE;
11800 startedFromSetupPosition = blackPlaysFirst = FALSE;
11802 whiteFlag = blackFlag = FALSE;
11803 userOfferedDraw = FALSE;
11804 hintRequested = bookRequested = FALSE;
11805 first.maybeThinking = FALSE;
11806 second.maybeThinking = FALSE;
11807 first.bookSuspend = FALSE; // [HGM] book
11808 second.bookSuspend = FALSE;
11809 thinkOutput[0] = NULLCHAR;
11810 lastHint[0] = NULLCHAR;
11811 ClearGameInfo(&gameInfo);
11812 gameInfo.variant = StringToVariant(appData.variant);
11813 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11814 ics_user_moved = ics_clock_paused = FALSE;
11815 ics_getting_history = H_FALSE;
11817 white_holding[0] = black_holding[0] = NULLCHAR;
11818 ClearProgramStats();
11819 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11823 flipView = appData.flipView;
11824 ClearPremoveHighlights();
11825 gotPremove = FALSE;
11826 alarmSounded = FALSE;
11827 killX = killY = -1; // [HGM] lion
11829 GameEnds(EndOfFile, NULL, GE_PLAYER);
11830 if(appData.serverMovesName != NULL) {
11831 /* [HGM] prepare to make moves file for broadcasting */
11832 clock_t t = clock();
11833 if(serverMoves != NULL) fclose(serverMoves);
11834 serverMoves = fopen(appData.serverMovesName, "r");
11835 if(serverMoves != NULL) {
11836 fclose(serverMoves);
11837 /* delay 15 sec before overwriting, so all clients can see end */
11838 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11840 serverMoves = fopen(appData.serverMovesName, "w");
11844 gameMode = BeginningOfGame;
11846 if(appData.icsActive) gameInfo.variant = VariantNormal;
11847 currentMove = forwardMostMove = backwardMostMove = 0;
11848 MarkTargetSquares(1);
11849 InitPosition(redraw);
11850 for (i = 0; i < MAX_MOVES; i++) {
11851 if (commentList[i] != NULL) {
11852 free(commentList[i]);
11853 commentList[i] = NULL;
11857 timeRemaining[0][0] = whiteTimeRemaining;
11858 timeRemaining[1][0] = blackTimeRemaining;
11860 if (first.pr == NoProc) {
11861 StartChessProgram(&first);
11864 InitChessProgram(&first, startedFromSetupPosition);
11867 DisplayMessage("", "");
11868 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11869 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11870 ClearMap(); // [HGM] exclude: invalidate map
11874 AutoPlayGameLoop ()
11877 if (!AutoPlayOneMove())
11879 if (matchMode || appData.timeDelay == 0)
11881 if (appData.timeDelay < 0)
11883 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11891 ReloadGame(1); // next game
11897 int fromX, fromY, toX, toY;
11899 if (appData.debugMode) {
11900 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11903 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11906 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11907 pvInfoList[currentMove].depth = programStats.depth;
11908 pvInfoList[currentMove].score = programStats.score;
11909 pvInfoList[currentMove].time = 0;
11910 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11911 else { // append analysis of final position as comment
11913 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11914 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11916 programStats.depth = 0;
11919 if (currentMove >= forwardMostMove) {
11920 if(gameMode == AnalyzeFile) {
11921 if(appData.loadGameIndex == -1) {
11922 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11923 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11925 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11928 // gameMode = EndOfGame;
11929 // ModeHighlight();
11931 /* [AS] Clear current move marker at the end of a game */
11932 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11937 toX = moveList[currentMove][2] - AAA;
11938 toY = moveList[currentMove][3] - ONE;
11940 if (moveList[currentMove][1] == '@') {
11941 if (appData.highlightLastMove) {
11942 SetHighlights(-1, -1, toX, toY);
11945 int viaX = moveList[currentMove][5] - AAA;
11946 int viaY = moveList[currentMove][6] - ONE;
11947 fromX = moveList[currentMove][0] - AAA;
11948 fromY = moveList[currentMove][1] - ONE;
11950 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11952 if(moveList[currentMove][4] == ';') { // multi-leg
11953 ChessSquare piece = boards[currentMove][viaY][viaX];
11954 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11955 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11956 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11957 boards[currentMove][viaY][viaX] = piece;
11959 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11961 if (appData.highlightLastMove) {
11962 SetHighlights(fromX, fromY, toX, toY);
11965 DisplayMove(currentMove);
11966 SendMoveToProgram(currentMove++, &first);
11967 DisplayBothClocks();
11968 DrawPosition(FALSE, boards[currentMove]);
11969 // [HGM] PV info: always display, routine tests if empty
11970 DisplayComment(currentMove - 1, commentList[currentMove]);
11976 LoadGameOneMove (ChessMove readAhead)
11978 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11979 char promoChar = NULLCHAR;
11980 ChessMove moveType;
11981 char move[MSG_SIZ];
11984 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11985 gameMode != AnalyzeMode && gameMode != Training) {
11990 yyboardindex = forwardMostMove;
11991 if (readAhead != EndOfFile) {
11992 moveType = readAhead;
11994 if (gameFileFP == NULL)
11996 moveType = (ChessMove) Myylex();
12000 switch (moveType) {
12002 if (appData.debugMode)
12003 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12006 /* append the comment but don't display it */
12007 AppendComment(currentMove, p, FALSE);
12010 case WhiteCapturesEnPassant:
12011 case BlackCapturesEnPassant:
12012 case WhitePromotion:
12013 case BlackPromotion:
12014 case WhiteNonPromotion:
12015 case BlackNonPromotion:
12018 case WhiteKingSideCastle:
12019 case WhiteQueenSideCastle:
12020 case BlackKingSideCastle:
12021 case BlackQueenSideCastle:
12022 case WhiteKingSideCastleWild:
12023 case WhiteQueenSideCastleWild:
12024 case BlackKingSideCastleWild:
12025 case BlackQueenSideCastleWild:
12027 case WhiteHSideCastleFR:
12028 case WhiteASideCastleFR:
12029 case BlackHSideCastleFR:
12030 case BlackASideCastleFR:
12032 if (appData.debugMode)
12033 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12034 fromX = currentMoveString[0] - AAA;
12035 fromY = currentMoveString[1] - ONE;
12036 toX = currentMoveString[2] - AAA;
12037 toY = currentMoveString[3] - ONE;
12038 promoChar = currentMoveString[4];
12039 if(promoChar == ';') promoChar = NULLCHAR;
12044 if (appData.debugMode)
12045 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12046 fromX = moveType == WhiteDrop ?
12047 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12048 (int) CharToPiece(ToLower(currentMoveString[0]));
12050 toX = currentMoveString[2] - AAA;
12051 toY = currentMoveString[3] - ONE;
12057 case GameUnfinished:
12058 if (appData.debugMode)
12059 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12060 p = strchr(yy_text, '{');
12061 if (p == NULL) p = strchr(yy_text, '(');
12064 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12066 q = strchr(p, *p == '{' ? '}' : ')');
12067 if (q != NULL) *q = NULLCHAR;
12070 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12071 GameEnds(moveType, p, GE_FILE);
12073 if (cmailMsgLoaded) {
12075 flipView = WhiteOnMove(currentMove);
12076 if (moveType == GameUnfinished) flipView = !flipView;
12077 if (appData.debugMode)
12078 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12083 if (appData.debugMode)
12084 fprintf(debugFP, "Parser hit end of file\n");
12085 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12091 if (WhiteOnMove(currentMove)) {
12092 GameEnds(BlackWins, "Black mates", GE_FILE);
12094 GameEnds(WhiteWins, "White mates", GE_FILE);
12098 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12104 case MoveNumberOne:
12105 if (lastLoadGameStart == GNUChessGame) {
12106 /* GNUChessGames have numbers, but they aren't move numbers */
12107 if (appData.debugMode)
12108 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12109 yy_text, (int) moveType);
12110 return LoadGameOneMove(EndOfFile); /* tail recursion */
12112 /* else fall thru */
12117 /* Reached start of next game in file */
12118 if (appData.debugMode)
12119 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12120 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12126 if (WhiteOnMove(currentMove)) {
12127 GameEnds(BlackWins, "Black mates", GE_FILE);
12129 GameEnds(WhiteWins, "White mates", GE_FILE);
12133 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12139 case PositionDiagram: /* should not happen; ignore */
12140 case ElapsedTime: /* ignore */
12141 case NAG: /* ignore */
12142 if (appData.debugMode)
12143 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12144 yy_text, (int) moveType);
12145 return LoadGameOneMove(EndOfFile); /* tail recursion */
12148 if (appData.testLegality) {
12149 if (appData.debugMode)
12150 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12151 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12152 (forwardMostMove / 2) + 1,
12153 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12154 DisplayError(move, 0);
12157 if (appData.debugMode)
12158 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12159 yy_text, currentMoveString);
12160 if(currentMoveString[1] == '@') {
12161 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12164 fromX = currentMoveString[0] - AAA;
12165 fromY = currentMoveString[1] - ONE;
12167 toX = currentMoveString[2] - AAA;
12168 toY = currentMoveString[3] - ONE;
12169 promoChar = currentMoveString[4];
12173 case AmbiguousMove:
12174 if (appData.debugMode)
12175 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12176 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12177 (forwardMostMove / 2) + 1,
12178 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12179 DisplayError(move, 0);
12184 case ImpossibleMove:
12185 if (appData.debugMode)
12186 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12187 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12188 (forwardMostMove / 2) + 1,
12189 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12190 DisplayError(move, 0);
12196 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12197 DrawPosition(FALSE, boards[currentMove]);
12198 DisplayBothClocks();
12199 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12200 DisplayComment(currentMove - 1, commentList[currentMove]);
12202 (void) StopLoadGameTimer();
12204 cmailOldMove = forwardMostMove;
12207 /* currentMoveString is set as a side-effect of yylex */
12209 thinkOutput[0] = NULLCHAR;
12210 MakeMove(fromX, fromY, toX, toY, promoChar);
12211 killX = killY = -1; // [HGM] lion: used up
12212 currentMove = forwardMostMove;
12217 /* Load the nth game from the given file */
12219 LoadGameFromFile (char *filename, int n, char *title, int useList)
12224 if (strcmp(filename, "-") == 0) {
12228 f = fopen(filename, "rb");
12230 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12231 DisplayError(buf, errno);
12235 if (fseek(f, 0, 0) == -1) {
12236 /* f is not seekable; probably a pipe */
12239 if (useList && n == 0) {
12240 int error = GameListBuild(f);
12242 DisplayError(_("Cannot build game list"), error);
12243 } else if (!ListEmpty(&gameList) &&
12244 ((ListGame *) gameList.tailPred)->number > 1) {
12245 GameListPopUp(f, title);
12252 return LoadGame(f, n, title, FALSE);
12257 MakeRegisteredMove ()
12259 int fromX, fromY, toX, toY;
12261 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12262 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12265 if (appData.debugMode)
12266 fprintf(debugFP, "Restoring %s for game %d\n",
12267 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12269 thinkOutput[0] = NULLCHAR;
12270 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12271 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12272 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12273 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12274 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12275 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12276 MakeMove(fromX, fromY, toX, toY, promoChar);
12277 ShowMove(fromX, fromY, toX, toY);
12279 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12286 if (WhiteOnMove(currentMove)) {
12287 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12289 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12294 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12301 if (WhiteOnMove(currentMove)) {
12302 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12304 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12309 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12320 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12322 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12326 if (gameNumber > nCmailGames) {
12327 DisplayError(_("No more games in this message"), 0);
12330 if (f == lastLoadGameFP) {
12331 int offset = gameNumber - lastLoadGameNumber;
12333 cmailMsg[0] = NULLCHAR;
12334 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12335 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12336 nCmailMovesRegistered--;
12338 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12339 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12340 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12343 if (! RegisterMove()) return FALSE;
12347 retVal = LoadGame(f, gameNumber, title, useList);
12349 /* Make move registered during previous look at this game, if any */
12350 MakeRegisteredMove();
12352 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12353 commentList[currentMove]
12354 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12355 DisplayComment(currentMove - 1, commentList[currentMove]);
12361 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12363 ReloadGame (int offset)
12365 int gameNumber = lastLoadGameNumber + offset;
12366 if (lastLoadGameFP == NULL) {
12367 DisplayError(_("No game has been loaded yet"), 0);
12370 if (gameNumber <= 0) {
12371 DisplayError(_("Can't back up any further"), 0);
12374 if (cmailMsgLoaded) {
12375 return CmailLoadGame(lastLoadGameFP, gameNumber,
12376 lastLoadGameTitle, lastLoadGameUseList);
12378 return LoadGame(lastLoadGameFP, gameNumber,
12379 lastLoadGameTitle, lastLoadGameUseList);
12383 int keys[EmptySquare+1];
12386 PositionMatches (Board b1, Board b2)
12389 switch(appData.searchMode) {
12390 case 1: return CompareWithRights(b1, b2);
12392 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12393 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12397 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12398 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12399 sum += keys[b1[r][f]] - keys[b2[r][f]];
12403 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12404 sum += keys[b1[r][f]] - keys[b2[r][f]];
12416 int pieceList[256], quickBoard[256];
12417 ChessSquare pieceType[256] = { EmptySquare };
12418 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12419 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12420 int soughtTotal, turn;
12421 Boolean epOK, flipSearch;
12424 unsigned char piece, to;
12427 #define DSIZE (250000)
12429 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12430 Move *moveDatabase = initialSpace;
12431 unsigned int movePtr, dataSize = DSIZE;
12434 MakePieceList (Board board, int *counts)
12436 int r, f, n=Q_PROMO, total=0;
12437 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12438 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12439 int sq = f + (r<<4);
12440 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12441 quickBoard[sq] = ++n;
12443 pieceType[n] = board[r][f];
12444 counts[board[r][f]]++;
12445 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12446 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12450 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12455 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12457 int sq = fromX + (fromY<<4);
12458 int piece = quickBoard[sq], rook;
12459 quickBoard[sq] = 0;
12460 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12461 if(piece == pieceList[1] && fromY == toY) {
12462 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12463 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12464 moveDatabase[movePtr++].piece = Q_WCASTL;
12465 quickBoard[sq] = piece;
12466 piece = quickBoard[from]; quickBoard[from] = 0;
12467 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12468 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12469 quickBoard[sq] = 0; // remove Rook
12470 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12471 moveDatabase[movePtr++].piece = Q_WCASTL;
12472 quickBoard[sq] = pieceList[1]; // put King
12474 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12477 if(piece == pieceList[2] && fromY == toY) {
12478 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12479 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12480 moveDatabase[movePtr++].piece = Q_BCASTL;
12481 quickBoard[sq] = piece;
12482 piece = quickBoard[from]; quickBoard[from] = 0;
12483 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12484 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12485 quickBoard[sq] = 0; // remove Rook
12486 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12487 moveDatabase[movePtr++].piece = Q_BCASTL;
12488 quickBoard[sq] = pieceList[2]; // put King
12490 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12493 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12494 quickBoard[(fromY<<4)+toX] = 0;
12495 moveDatabase[movePtr].piece = Q_EP;
12496 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12497 moveDatabase[movePtr].to = sq;
12499 if(promoPiece != pieceType[piece]) {
12500 moveDatabase[movePtr++].piece = Q_PROMO;
12501 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12503 moveDatabase[movePtr].piece = piece;
12504 quickBoard[sq] = piece;
12509 PackGame (Board board)
12511 Move *newSpace = NULL;
12512 moveDatabase[movePtr].piece = 0; // terminate previous game
12513 if(movePtr > dataSize) {
12514 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12515 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12516 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12519 Move *p = moveDatabase, *q = newSpace;
12520 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12521 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12522 moveDatabase = newSpace;
12523 } else { // calloc failed, we must be out of memory. Too bad...
12524 dataSize = 0; // prevent calloc events for all subsequent games
12525 return 0; // and signal this one isn't cached
12529 MakePieceList(board, counts);
12534 QuickCompare (Board board, int *minCounts, int *maxCounts)
12535 { // compare according to search mode
12537 switch(appData.searchMode)
12539 case 1: // exact position match
12540 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12541 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12542 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12545 case 2: // can have extra material on empty squares
12546 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12547 if(board[r][f] == EmptySquare) continue;
12548 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12551 case 3: // material with exact Pawn structure
12552 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12553 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12554 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12555 } // fall through to material comparison
12556 case 4: // exact material
12557 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12559 case 6: // material range with given imbalance
12560 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12561 // fall through to range comparison
12562 case 5: // material range
12563 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12569 QuickScan (Board board, Move *move)
12570 { // reconstruct game,and compare all positions in it
12571 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12573 int piece = move->piece;
12574 int to = move->to, from = pieceList[piece];
12575 if(found < 0) { // if already found just scan to game end for final piece count
12576 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12577 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12578 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12579 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12581 static int lastCounts[EmptySquare+1];
12583 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12584 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12585 } else stretch = 0;
12586 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12587 if(found >= 0 && !appData.minPieces) return found;
12589 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12590 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12591 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12592 piece = (++move)->piece;
12593 from = pieceList[piece];
12594 counts[pieceType[piece]]--;
12595 pieceType[piece] = (ChessSquare) move->to;
12596 counts[move->to]++;
12597 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12598 counts[pieceType[quickBoard[to]]]--;
12599 quickBoard[to] = 0; total--;
12602 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12603 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12604 from = pieceList[piece]; // so this must be King
12605 quickBoard[from] = 0;
12606 pieceList[piece] = to;
12607 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12608 quickBoard[from] = 0; // rook
12609 quickBoard[to] = piece;
12610 to = move->to; piece = move->piece;
12614 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12615 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12616 quickBoard[from] = 0;
12618 quickBoard[to] = piece;
12619 pieceList[piece] = to;
12629 flipSearch = FALSE;
12630 CopyBoard(soughtBoard, boards[currentMove]);
12631 soughtTotal = MakePieceList(soughtBoard, maxSought);
12632 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12633 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12634 CopyBoard(reverseBoard, boards[currentMove]);
12635 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12636 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12637 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12638 reverseBoard[r][f] = piece;
12640 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12641 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12642 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12643 || (boards[currentMove][CASTLING][2] == NoRights ||
12644 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12645 && (boards[currentMove][CASTLING][5] == NoRights ||
12646 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12649 CopyBoard(flipBoard, soughtBoard);
12650 CopyBoard(rotateBoard, reverseBoard);
12651 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12652 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12653 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12656 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12657 if(appData.searchMode >= 5) {
12658 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12659 MakePieceList(soughtBoard, minSought);
12660 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12662 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12663 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12666 GameInfo dummyInfo;
12667 static int creatingBook;
12670 GameContainsPosition (FILE *f, ListGame *lg)
12672 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12673 int fromX, fromY, toX, toY;
12675 static int initDone=FALSE;
12677 // weed out games based on numerical tag comparison
12678 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12679 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12680 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12681 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12683 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12686 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12687 else CopyBoard(boards[scratch], initialPosition); // default start position
12690 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12691 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12694 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12695 fseek(f, lg->offset, 0);
12698 yyboardindex = scratch;
12699 quickFlag = plyNr+1;
12704 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12710 if(plyNr) return -1; // after we have seen moves, this is for new game
12713 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12714 case ImpossibleMove:
12715 case WhiteWins: // game ends here with these four
12718 case GameUnfinished:
12722 if(appData.testLegality) return -1;
12723 case WhiteCapturesEnPassant:
12724 case BlackCapturesEnPassant:
12725 case WhitePromotion:
12726 case BlackPromotion:
12727 case WhiteNonPromotion:
12728 case BlackNonPromotion:
12731 case WhiteKingSideCastle:
12732 case WhiteQueenSideCastle:
12733 case BlackKingSideCastle:
12734 case BlackQueenSideCastle:
12735 case WhiteKingSideCastleWild:
12736 case WhiteQueenSideCastleWild:
12737 case BlackKingSideCastleWild:
12738 case BlackQueenSideCastleWild:
12739 case WhiteHSideCastleFR:
12740 case WhiteASideCastleFR:
12741 case BlackHSideCastleFR:
12742 case BlackASideCastleFR:
12743 fromX = currentMoveString[0] - AAA;
12744 fromY = currentMoveString[1] - ONE;
12745 toX = currentMoveString[2] - AAA;
12746 toY = currentMoveString[3] - ONE;
12747 promoChar = currentMoveString[4];
12751 fromX = next == WhiteDrop ?
12752 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12753 (int) CharToPiece(ToLower(currentMoveString[0]));
12755 toX = currentMoveString[2] - AAA;
12756 toY = currentMoveString[3] - ONE;
12760 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12762 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12763 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12764 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12765 if(appData.findMirror) {
12766 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12767 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12772 /* Load the nth game from open file f */
12774 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12778 int gn = gameNumber;
12779 ListGame *lg = NULL;
12780 int numPGNTags = 0;
12782 GameMode oldGameMode;
12783 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12784 char oldName[MSG_SIZ];
12786 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12788 if (appData.debugMode)
12789 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12791 if (gameMode == Training )
12792 SetTrainingModeOff();
12794 oldGameMode = gameMode;
12795 if (gameMode != BeginningOfGame) {
12796 Reset(FALSE, TRUE);
12798 killX = killY = -1; // [HGM] lion: in case we did not Reset
12801 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12802 fclose(lastLoadGameFP);
12806 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12809 fseek(f, lg->offset, 0);
12810 GameListHighlight(gameNumber);
12811 pos = lg->position;
12815 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12816 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12818 DisplayError(_("Game number out of range"), 0);
12823 if (fseek(f, 0, 0) == -1) {
12824 if (f == lastLoadGameFP ?
12825 gameNumber == lastLoadGameNumber + 1 :
12829 DisplayError(_("Can't seek on game file"), 0);
12834 lastLoadGameFP = f;
12835 lastLoadGameNumber = gameNumber;
12836 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12837 lastLoadGameUseList = useList;
12841 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12842 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12843 lg->gameInfo.black);
12845 } else if (*title != NULLCHAR) {
12846 if (gameNumber > 1) {
12847 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12850 DisplayTitle(title);
12854 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12855 gameMode = PlayFromGameFile;
12859 currentMove = forwardMostMove = backwardMostMove = 0;
12860 CopyBoard(boards[0], initialPosition);
12864 * Skip the first gn-1 games in the file.
12865 * Also skip over anything that precedes an identifiable
12866 * start of game marker, to avoid being confused by
12867 * garbage at the start of the file. Currently
12868 * recognized start of game markers are the move number "1",
12869 * the pattern "gnuchess .* game", the pattern
12870 * "^[#;%] [^ ]* game file", and a PGN tag block.
12871 * A game that starts with one of the latter two patterns
12872 * will also have a move number 1, possibly
12873 * following a position diagram.
12874 * 5-4-02: Let's try being more lenient and allowing a game to
12875 * start with an unnumbered move. Does that break anything?
12877 cm = lastLoadGameStart = EndOfFile;
12879 yyboardindex = forwardMostMove;
12880 cm = (ChessMove) Myylex();
12883 if (cmailMsgLoaded) {
12884 nCmailGames = CMAIL_MAX_GAMES - gn;
12887 DisplayError(_("Game not found in file"), 0);
12894 lastLoadGameStart = cm;
12897 case MoveNumberOne:
12898 switch (lastLoadGameStart) {
12903 case MoveNumberOne:
12905 gn--; /* count this game */
12906 lastLoadGameStart = cm;
12915 switch (lastLoadGameStart) {
12918 case MoveNumberOne:
12920 gn--; /* count this game */
12921 lastLoadGameStart = cm;
12924 lastLoadGameStart = cm; /* game counted already */
12932 yyboardindex = forwardMostMove;
12933 cm = (ChessMove) Myylex();
12934 } while (cm == PGNTag || cm == Comment);
12941 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12942 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12943 != CMAIL_OLD_RESULT) {
12945 cmailResult[ CMAIL_MAX_GAMES
12946 - gn - 1] = CMAIL_OLD_RESULT;
12953 /* Only a NormalMove can be at the start of a game
12954 * without a position diagram. */
12955 if (lastLoadGameStart == EndOfFile ) {
12957 lastLoadGameStart = MoveNumberOne;
12966 if (appData.debugMode)
12967 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12969 if (cm == XBoardGame) {
12970 /* Skip any header junk before position diagram and/or move 1 */
12972 yyboardindex = forwardMostMove;
12973 cm = (ChessMove) Myylex();
12975 if (cm == EndOfFile ||
12976 cm == GNUChessGame || cm == XBoardGame) {
12977 /* Empty game; pretend end-of-file and handle later */
12982 if (cm == MoveNumberOne || cm == PositionDiagram ||
12983 cm == PGNTag || cm == Comment)
12986 } else if (cm == GNUChessGame) {
12987 if (gameInfo.event != NULL) {
12988 free(gameInfo.event);
12990 gameInfo.event = StrSave(yy_text);
12993 startedFromSetupPosition = startedFromPositionFile; // [HGM]
12994 while (cm == PGNTag) {
12995 if (appData.debugMode)
12996 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12997 err = ParsePGNTag(yy_text, &gameInfo);
12998 if (!err) numPGNTags++;
13000 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13001 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13002 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13003 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13004 InitPosition(TRUE);
13005 oldVariant = gameInfo.variant;
13006 if (appData.debugMode)
13007 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13011 if (gameInfo.fen != NULL) {
13012 Board initial_position;
13013 startedFromSetupPosition = TRUE;
13014 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13016 DisplayError(_("Bad FEN position in file"), 0);
13019 CopyBoard(boards[0], initial_position);
13020 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13021 CopyBoard(initialPosition, initial_position);
13022 if (blackPlaysFirst) {
13023 currentMove = forwardMostMove = backwardMostMove = 1;
13024 CopyBoard(boards[1], initial_position);
13025 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13026 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13027 timeRemaining[0][1] = whiteTimeRemaining;
13028 timeRemaining[1][1] = blackTimeRemaining;
13029 if (commentList[0] != NULL) {
13030 commentList[1] = commentList[0];
13031 commentList[0] = NULL;
13034 currentMove = forwardMostMove = backwardMostMove = 0;
13036 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13038 initialRulePlies = FENrulePlies;
13039 for( i=0; i< nrCastlingRights; i++ )
13040 initialRights[i] = initial_position[CASTLING][i];
13042 yyboardindex = forwardMostMove;
13043 free(gameInfo.fen);
13044 gameInfo.fen = NULL;
13047 yyboardindex = forwardMostMove;
13048 cm = (ChessMove) Myylex();
13050 /* Handle comments interspersed among the tags */
13051 while (cm == Comment) {
13053 if (appData.debugMode)
13054 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13056 AppendComment(currentMove, p, FALSE);
13057 yyboardindex = forwardMostMove;
13058 cm = (ChessMove) Myylex();
13062 /* don't rely on existence of Event tag since if game was
13063 * pasted from clipboard the Event tag may not exist
13065 if (numPGNTags > 0){
13067 if (gameInfo.variant == VariantNormal) {
13068 VariantClass v = StringToVariant(gameInfo.event);
13069 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13070 if(v < VariantShogi) gameInfo.variant = v;
13073 if( appData.autoDisplayTags ) {
13074 tags = PGNTags(&gameInfo);
13075 TagsPopUp(tags, CmailMsg());
13080 /* Make something up, but don't display it now */
13085 if (cm == PositionDiagram) {
13088 Board initial_position;
13090 if (appData.debugMode)
13091 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13093 if (!startedFromSetupPosition) {
13095 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13096 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13107 initial_position[i][j++] = CharToPiece(*p);
13110 while (*p == ' ' || *p == '\t' ||
13111 *p == '\n' || *p == '\r') p++;
13113 if (strncmp(p, "black", strlen("black"))==0)
13114 blackPlaysFirst = TRUE;
13116 blackPlaysFirst = FALSE;
13117 startedFromSetupPosition = TRUE;
13119 CopyBoard(boards[0], initial_position);
13120 if (blackPlaysFirst) {
13121 currentMove = forwardMostMove = backwardMostMove = 1;
13122 CopyBoard(boards[1], initial_position);
13123 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13124 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13125 timeRemaining[0][1] = whiteTimeRemaining;
13126 timeRemaining[1][1] = blackTimeRemaining;
13127 if (commentList[0] != NULL) {
13128 commentList[1] = commentList[0];
13129 commentList[0] = NULL;
13132 currentMove = forwardMostMove = backwardMostMove = 0;
13135 yyboardindex = forwardMostMove;
13136 cm = (ChessMove) Myylex();
13139 if(!creatingBook) {
13140 if (first.pr == NoProc) {
13141 StartChessProgram(&first);
13143 InitChessProgram(&first, FALSE);
13144 if(gameInfo.variant == VariantUnknown && *oldName) {
13145 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13146 gameInfo.variant = v;
13148 SendToProgram("force\n", &first);
13149 if (startedFromSetupPosition) {
13150 SendBoard(&first, forwardMostMove);
13151 if (appData.debugMode) {
13152 fprintf(debugFP, "Load Game\n");
13154 DisplayBothClocks();
13158 /* [HGM] server: flag to write setup moves in broadcast file as one */
13159 loadFlag = appData.suppressLoadMoves;
13161 while (cm == Comment) {
13163 if (appData.debugMode)
13164 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13166 AppendComment(currentMove, p, FALSE);
13167 yyboardindex = forwardMostMove;
13168 cm = (ChessMove) Myylex();
13171 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13172 cm == WhiteWins || cm == BlackWins ||
13173 cm == GameIsDrawn || cm == GameUnfinished) {
13174 DisplayMessage("", _("No moves in game"));
13175 if (cmailMsgLoaded) {
13176 if (appData.debugMode)
13177 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13181 DrawPosition(FALSE, boards[currentMove]);
13182 DisplayBothClocks();
13183 gameMode = EditGame;
13190 // [HGM] PV info: routine tests if comment empty
13191 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13192 DisplayComment(currentMove - 1, commentList[currentMove]);
13194 if (!matchMode && appData.timeDelay != 0)
13195 DrawPosition(FALSE, boards[currentMove]);
13197 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13198 programStats.ok_to_send = 1;
13201 /* if the first token after the PGN tags is a move
13202 * and not move number 1, retrieve it from the parser
13204 if (cm != MoveNumberOne)
13205 LoadGameOneMove(cm);
13207 /* load the remaining moves from the file */
13208 while (LoadGameOneMove(EndOfFile)) {
13209 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13210 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13213 /* rewind to the start of the game */
13214 currentMove = backwardMostMove;
13216 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13218 if (oldGameMode == AnalyzeFile) {
13219 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13220 AnalyzeFileEvent();
13222 if (oldGameMode == AnalyzeMode) {
13223 AnalyzeFileEvent();
13226 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13227 long int w, b; // [HGM] adjourn: restore saved clock times
13228 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13229 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13230 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13231 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13235 if(creatingBook) return TRUE;
13236 if (!matchMode && pos > 0) {
13237 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13239 if (matchMode || appData.timeDelay == 0) {
13241 } else if (appData.timeDelay > 0) {
13242 AutoPlayGameLoop();
13245 if (appData.debugMode)
13246 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13248 loadFlag = 0; /* [HGM] true game starts */
13252 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13254 ReloadPosition (int offset)
13256 int positionNumber = lastLoadPositionNumber + offset;
13257 if (lastLoadPositionFP == NULL) {
13258 DisplayError(_("No position has been loaded yet"), 0);
13261 if (positionNumber <= 0) {
13262 DisplayError(_("Can't back up any further"), 0);
13265 return LoadPosition(lastLoadPositionFP, positionNumber,
13266 lastLoadPositionTitle);
13269 /* Load the nth position from the given file */
13271 LoadPositionFromFile (char *filename, int n, char *title)
13276 if (strcmp(filename, "-") == 0) {
13277 return LoadPosition(stdin, n, "stdin");
13279 f = fopen(filename, "rb");
13281 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13282 DisplayError(buf, errno);
13285 return LoadPosition(f, n, title);
13290 /* Load the nth position from the given open file, and close it */
13292 LoadPosition (FILE *f, int positionNumber, char *title)
13294 char *p, line[MSG_SIZ];
13295 Board initial_position;
13296 int i, j, fenMode, pn;
13298 if (gameMode == Training )
13299 SetTrainingModeOff();
13301 if (gameMode != BeginningOfGame) {
13302 Reset(FALSE, TRUE);
13304 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13305 fclose(lastLoadPositionFP);
13307 if (positionNumber == 0) positionNumber = 1;
13308 lastLoadPositionFP = f;
13309 lastLoadPositionNumber = positionNumber;
13310 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13311 if (first.pr == NoProc && !appData.noChessProgram) {
13312 StartChessProgram(&first);
13313 InitChessProgram(&first, FALSE);
13315 pn = positionNumber;
13316 if (positionNumber < 0) {
13317 /* Negative position number means to seek to that byte offset */
13318 if (fseek(f, -positionNumber, 0) == -1) {
13319 DisplayError(_("Can't seek on position file"), 0);
13324 if (fseek(f, 0, 0) == -1) {
13325 if (f == lastLoadPositionFP ?
13326 positionNumber == lastLoadPositionNumber + 1 :
13327 positionNumber == 1) {
13330 DisplayError(_("Can't seek on position file"), 0);
13335 /* See if this file is FEN or old-style xboard */
13336 if (fgets(line, MSG_SIZ, f) == NULL) {
13337 DisplayError(_("Position not found in file"), 0);
13340 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13341 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13344 if (fenMode || line[0] == '#') pn--;
13346 /* skip positions before number pn */
13347 if (fgets(line, MSG_SIZ, f) == NULL) {
13349 DisplayError(_("Position not found in file"), 0);
13352 if (fenMode || line[0] == '#') pn--;
13358 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13359 DisplayError(_("Bad FEN position in file"), 0);
13362 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13363 sscanf(p+3, "%s", bestMove);
13364 } else *bestMove = NULLCHAR;
13366 (void) fgets(line, MSG_SIZ, f);
13367 (void) fgets(line, MSG_SIZ, f);
13369 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13370 (void) fgets(line, MSG_SIZ, f);
13371 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13374 initial_position[i][j++] = CharToPiece(*p);
13378 blackPlaysFirst = FALSE;
13380 (void) fgets(line, MSG_SIZ, f);
13381 if (strncmp(line, "black", strlen("black"))==0)
13382 blackPlaysFirst = TRUE;
13385 startedFromSetupPosition = TRUE;
13387 CopyBoard(boards[0], initial_position);
13388 if (blackPlaysFirst) {
13389 currentMove = forwardMostMove = backwardMostMove = 1;
13390 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13391 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13392 CopyBoard(boards[1], initial_position);
13393 DisplayMessage("", _("Black to play"));
13395 currentMove = forwardMostMove = backwardMostMove = 0;
13396 DisplayMessage("", _("White to play"));
13398 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13399 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13400 SendToProgram("force\n", &first);
13401 SendBoard(&first, forwardMostMove);
13403 if (appData.debugMode) {
13405 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13406 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13407 fprintf(debugFP, "Load Position\n");
13410 if (positionNumber > 1) {
13411 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13412 DisplayTitle(line);
13414 DisplayTitle(title);
13416 gameMode = EditGame;
13419 timeRemaining[0][1] = whiteTimeRemaining;
13420 timeRemaining[1][1] = blackTimeRemaining;
13421 DrawPosition(FALSE, boards[currentMove]);
13428 CopyPlayerNameIntoFileName (char **dest, char *src)
13430 while (*src != NULLCHAR && *src != ',') {
13435 *(*dest)++ = *src++;
13441 DefaultFileName (char *ext)
13443 static char def[MSG_SIZ];
13446 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13448 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13450 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13452 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13459 /* Save the current game to the given file */
13461 SaveGameToFile (char *filename, int append)
13465 int result, i, t,tot=0;
13467 if (strcmp(filename, "-") == 0) {
13468 return SaveGame(stdout, 0, NULL);
13470 for(i=0; i<10; i++) { // upto 10 tries
13471 f = fopen(filename, append ? "a" : "w");
13472 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13473 if(f || errno != 13) break;
13474 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13478 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13479 DisplayError(buf, errno);
13482 safeStrCpy(buf, lastMsg, MSG_SIZ);
13483 DisplayMessage(_("Waiting for access to save file"), "");
13484 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13485 DisplayMessage(_("Saving game"), "");
13486 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13487 result = SaveGame(f, 0, NULL);
13488 DisplayMessage(buf, "");
13495 SavePart (char *str)
13497 static char buf[MSG_SIZ];
13500 p = strchr(str, ' ');
13501 if (p == NULL) return str;
13502 strncpy(buf, str, p - str);
13503 buf[p - str] = NULLCHAR;
13507 #define PGN_MAX_LINE 75
13509 #define PGN_SIDE_WHITE 0
13510 #define PGN_SIDE_BLACK 1
13513 FindFirstMoveOutOfBook (int side)
13517 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13518 int index = backwardMostMove;
13519 int has_book_hit = 0;
13521 if( (index % 2) != side ) {
13525 while( index < forwardMostMove ) {
13526 /* Check to see if engine is in book */
13527 int depth = pvInfoList[index].depth;
13528 int score = pvInfoList[index].score;
13534 else if( score == 0 && depth == 63 ) {
13535 in_book = 1; /* Zappa */
13537 else if( score == 2 && depth == 99 ) {
13538 in_book = 1; /* Abrok */
13541 has_book_hit += in_book;
13557 GetOutOfBookInfo (char * buf)
13561 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13563 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13564 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13568 if( oob[0] >= 0 || oob[1] >= 0 ) {
13569 for( i=0; i<2; i++ ) {
13573 if( i > 0 && oob[0] >= 0 ) {
13574 strcat( buf, " " );
13577 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13578 sprintf( buf+strlen(buf), "%s%.2f",
13579 pvInfoList[idx].score >= 0 ? "+" : "",
13580 pvInfoList[idx].score / 100.0 );
13586 /* Save game in PGN style */
13588 SaveGamePGN2 (FILE *f)
13590 int i, offset, linelen, newblock;
13593 int movelen, numlen, blank;
13594 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13596 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13598 PrintPGNTags(f, &gameInfo);
13600 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13602 if (backwardMostMove > 0 || startedFromSetupPosition) {
13603 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13604 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13605 fprintf(f, "\n{--------------\n");
13606 PrintPosition(f, backwardMostMove);
13607 fprintf(f, "--------------}\n");
13611 /* [AS] Out of book annotation */
13612 if( appData.saveOutOfBookInfo ) {
13615 GetOutOfBookInfo( buf );
13617 if( buf[0] != '\0' ) {
13618 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13625 i = backwardMostMove;
13629 while (i < forwardMostMove) {
13630 /* Print comments preceding this move */
13631 if (commentList[i] != NULL) {
13632 if (linelen > 0) fprintf(f, "\n");
13633 fprintf(f, "%s", commentList[i]);
13638 /* Format move number */
13640 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13643 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13645 numtext[0] = NULLCHAR;
13647 numlen = strlen(numtext);
13650 /* Print move number */
13651 blank = linelen > 0 && numlen > 0;
13652 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13661 fprintf(f, "%s", numtext);
13665 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13666 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13669 blank = linelen > 0 && movelen > 0;
13670 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13679 fprintf(f, "%s", move_buffer);
13680 linelen += movelen;
13682 /* [AS] Add PV info if present */
13683 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13684 /* [HGM] add time */
13685 char buf[MSG_SIZ]; int seconds;
13687 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13693 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13696 seconds = (seconds + 4)/10; // round to full seconds
13698 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13700 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13703 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13704 pvInfoList[i].score >= 0 ? "+" : "",
13705 pvInfoList[i].score / 100.0,
13706 pvInfoList[i].depth,
13709 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13711 /* Print score/depth */
13712 blank = linelen > 0 && movelen > 0;
13713 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13722 fprintf(f, "%s", move_buffer);
13723 linelen += movelen;
13729 /* Start a new line */
13730 if (linelen > 0) fprintf(f, "\n");
13732 /* Print comments after last move */
13733 if (commentList[i] != NULL) {
13734 fprintf(f, "%s\n", commentList[i]);
13738 if (gameInfo.resultDetails != NULL &&
13739 gameInfo.resultDetails[0] != NULLCHAR) {
13740 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13741 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13742 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13743 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13744 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13746 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13750 /* Save game in PGN style and close the file */
13752 SaveGamePGN (FILE *f)
13756 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13760 /* Save game in old style and close the file */
13762 SaveGameOldStyle (FILE *f)
13767 tm = time((time_t *) NULL);
13769 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13772 if (backwardMostMove > 0 || startedFromSetupPosition) {
13773 fprintf(f, "\n[--------------\n");
13774 PrintPosition(f, backwardMostMove);
13775 fprintf(f, "--------------]\n");
13780 i = backwardMostMove;
13781 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13783 while (i < forwardMostMove) {
13784 if (commentList[i] != NULL) {
13785 fprintf(f, "[%s]\n", commentList[i]);
13788 if ((i % 2) == 1) {
13789 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13792 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13794 if (commentList[i] != NULL) {
13798 if (i >= forwardMostMove) {
13802 fprintf(f, "%s\n", parseList[i]);
13807 if (commentList[i] != NULL) {
13808 fprintf(f, "[%s]\n", commentList[i]);
13811 /* This isn't really the old style, but it's close enough */
13812 if (gameInfo.resultDetails != NULL &&
13813 gameInfo.resultDetails[0] != NULLCHAR) {
13814 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13815 gameInfo.resultDetails);
13817 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13824 /* Save the current game to open file f and close the file */
13826 SaveGame (FILE *f, int dummy, char *dummy2)
13828 if (gameMode == EditPosition) EditPositionDone(TRUE);
13829 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13830 if (appData.oldSaveStyle)
13831 return SaveGameOldStyle(f);
13833 return SaveGamePGN(f);
13836 /* Save the current position to the given file */
13838 SavePositionToFile (char *filename)
13843 if (strcmp(filename, "-") == 0) {
13844 return SavePosition(stdout, 0, NULL);
13846 f = fopen(filename, "a");
13848 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13849 DisplayError(buf, errno);
13852 safeStrCpy(buf, lastMsg, MSG_SIZ);
13853 DisplayMessage(_("Waiting for access to save file"), "");
13854 flock(fileno(f), LOCK_EX); // [HGM] lock
13855 DisplayMessage(_("Saving position"), "");
13856 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13857 SavePosition(f, 0, NULL);
13858 DisplayMessage(buf, "");
13864 /* Save the current position to the given open file and close the file */
13866 SavePosition (FILE *f, int dummy, char *dummy2)
13871 if (gameMode == EditPosition) EditPositionDone(TRUE);
13872 if (appData.oldSaveStyle) {
13873 tm = time((time_t *) NULL);
13875 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13877 fprintf(f, "[--------------\n");
13878 PrintPosition(f, currentMove);
13879 fprintf(f, "--------------]\n");
13881 fen = PositionToFEN(currentMove, NULL, 1);
13882 fprintf(f, "%s\n", fen);
13890 ReloadCmailMsgEvent (int unregister)
13893 static char *inFilename = NULL;
13894 static char *outFilename;
13896 struct stat inbuf, outbuf;
13899 /* Any registered moves are unregistered if unregister is set, */
13900 /* i.e. invoked by the signal handler */
13902 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13903 cmailMoveRegistered[i] = FALSE;
13904 if (cmailCommentList[i] != NULL) {
13905 free(cmailCommentList[i]);
13906 cmailCommentList[i] = NULL;
13909 nCmailMovesRegistered = 0;
13912 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13913 cmailResult[i] = CMAIL_NOT_RESULT;
13917 if (inFilename == NULL) {
13918 /* Because the filenames are static they only get malloced once */
13919 /* and they never get freed */
13920 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13921 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13923 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13924 sprintf(outFilename, "%s.out", appData.cmailGameName);
13927 status = stat(outFilename, &outbuf);
13929 cmailMailedMove = FALSE;
13931 status = stat(inFilename, &inbuf);
13932 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13935 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13936 counts the games, notes how each one terminated, etc.
13938 It would be nice to remove this kludge and instead gather all
13939 the information while building the game list. (And to keep it
13940 in the game list nodes instead of having a bunch of fixed-size
13941 parallel arrays.) Note this will require getting each game's
13942 termination from the PGN tags, as the game list builder does
13943 not process the game moves. --mann
13945 cmailMsgLoaded = TRUE;
13946 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13948 /* Load first game in the file or popup game menu */
13949 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13951 #endif /* !WIN32 */
13959 char string[MSG_SIZ];
13961 if ( cmailMailedMove
13962 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13963 return TRUE; /* Allow free viewing */
13966 /* Unregister move to ensure that we don't leave RegisterMove */
13967 /* with the move registered when the conditions for registering no */
13969 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13970 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13971 nCmailMovesRegistered --;
13973 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13975 free(cmailCommentList[lastLoadGameNumber - 1]);
13976 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13980 if (cmailOldMove == -1) {
13981 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13985 if (currentMove > cmailOldMove + 1) {
13986 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13990 if (currentMove < cmailOldMove) {
13991 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13995 if (forwardMostMove > currentMove) {
13996 /* Silently truncate extra moves */
14000 if ( (currentMove == cmailOldMove + 1)
14001 || ( (currentMove == cmailOldMove)
14002 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14003 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14004 if (gameInfo.result != GameUnfinished) {
14005 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14008 if (commentList[currentMove] != NULL) {
14009 cmailCommentList[lastLoadGameNumber - 1]
14010 = StrSave(commentList[currentMove]);
14012 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14014 if (appData.debugMode)
14015 fprintf(debugFP, "Saving %s for game %d\n",
14016 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14018 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14020 f = fopen(string, "w");
14021 if (appData.oldSaveStyle) {
14022 SaveGameOldStyle(f); /* also closes the file */
14024 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14025 f = fopen(string, "w");
14026 SavePosition(f, 0, NULL); /* also closes the file */
14028 fprintf(f, "{--------------\n");
14029 PrintPosition(f, currentMove);
14030 fprintf(f, "--------------}\n\n");
14032 SaveGame(f, 0, NULL); /* also closes the file*/
14035 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14036 nCmailMovesRegistered ++;
14037 } else if (nCmailGames == 1) {
14038 DisplayError(_("You have not made a move yet"), 0);
14049 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14050 FILE *commandOutput;
14051 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14052 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14058 if (! cmailMsgLoaded) {
14059 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14063 if (nCmailGames == nCmailResults) {
14064 DisplayError(_("No unfinished games"), 0);
14068 #if CMAIL_PROHIBIT_REMAIL
14069 if (cmailMailedMove) {
14070 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);
14071 DisplayError(msg, 0);
14076 if (! (cmailMailedMove || RegisterMove())) return;
14078 if ( cmailMailedMove
14079 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14080 snprintf(string, MSG_SIZ, partCommandString,
14081 appData.debugMode ? " -v" : "", appData.cmailGameName);
14082 commandOutput = popen(string, "r");
14084 if (commandOutput == NULL) {
14085 DisplayError(_("Failed to invoke cmail"), 0);
14087 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14088 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14090 if (nBuffers > 1) {
14091 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14092 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14093 nBytes = MSG_SIZ - 1;
14095 (void) memcpy(msg, buffer, nBytes);
14097 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14099 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14100 cmailMailedMove = TRUE; /* Prevent >1 moves */
14103 for (i = 0; i < nCmailGames; i ++) {
14104 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14109 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14111 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14113 appData.cmailGameName,
14115 LoadGameFromFile(buffer, 1, buffer, FALSE);
14116 cmailMsgLoaded = FALSE;
14120 DisplayInformation(msg);
14121 pclose(commandOutput);
14124 if ((*cmailMsg) != '\0') {
14125 DisplayInformation(cmailMsg);
14130 #endif /* !WIN32 */
14139 int prependComma = 0;
14141 char string[MSG_SIZ]; /* Space for game-list */
14144 if (!cmailMsgLoaded) return "";
14146 if (cmailMailedMove) {
14147 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14149 /* Create a list of games left */
14150 snprintf(string, MSG_SIZ, "[");
14151 for (i = 0; i < nCmailGames; i ++) {
14152 if (! ( cmailMoveRegistered[i]
14153 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14154 if (prependComma) {
14155 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14157 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14161 strcat(string, number);
14164 strcat(string, "]");
14166 if (nCmailMovesRegistered + nCmailResults == 0) {
14167 switch (nCmailGames) {
14169 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14173 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14177 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14182 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14184 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14189 if (nCmailResults == nCmailGames) {
14190 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14192 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14197 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14209 if (gameMode == Training)
14210 SetTrainingModeOff();
14213 cmailMsgLoaded = FALSE;
14214 if (appData.icsActive) {
14215 SendToICS(ics_prefix);
14216 SendToICS("refresh\n");
14221 ExitEvent (int status)
14225 /* Give up on clean exit */
14229 /* Keep trying for clean exit */
14233 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14234 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14236 if (telnetISR != NULL) {
14237 RemoveInputSource(telnetISR);
14239 if (icsPR != NoProc) {
14240 DestroyChildProcess(icsPR, TRUE);
14243 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14244 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14246 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14247 /* make sure this other one finishes before killing it! */
14248 if(endingGame) { int count = 0;
14249 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14250 while(endingGame && count++ < 10) DoSleep(1);
14251 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14254 /* Kill off chess programs */
14255 if (first.pr != NoProc) {
14258 DoSleep( appData.delayBeforeQuit );
14259 SendToProgram("quit\n", &first);
14260 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14262 if (second.pr != NoProc) {
14263 DoSleep( appData.delayBeforeQuit );
14264 SendToProgram("quit\n", &second);
14265 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14267 if (first.isr != NULL) {
14268 RemoveInputSource(first.isr);
14270 if (second.isr != NULL) {
14271 RemoveInputSource(second.isr);
14274 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14275 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14277 ShutDownFrontEnd();
14282 PauseEngine (ChessProgramState *cps)
14284 SendToProgram("pause\n", cps);
14289 UnPauseEngine (ChessProgramState *cps)
14291 SendToProgram("resume\n", cps);
14298 if (appData.debugMode)
14299 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14303 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14305 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14306 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14307 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14309 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14310 HandleMachineMove(stashedInputMove, stalledEngine);
14311 stalledEngine = NULL;
14314 if (gameMode == MachinePlaysWhite ||
14315 gameMode == TwoMachinesPlay ||
14316 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14317 if(first.pause) UnPauseEngine(&first);
14318 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14319 if(second.pause) UnPauseEngine(&second);
14320 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14323 DisplayBothClocks();
14325 if (gameMode == PlayFromGameFile) {
14326 if (appData.timeDelay >= 0)
14327 AutoPlayGameLoop();
14328 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14329 Reset(FALSE, TRUE);
14330 SendToICS(ics_prefix);
14331 SendToICS("refresh\n");
14332 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14333 ForwardInner(forwardMostMove);
14335 pauseExamInvalid = FALSE;
14337 switch (gameMode) {
14341 pauseExamForwardMostMove = forwardMostMove;
14342 pauseExamInvalid = FALSE;
14345 case IcsPlayingWhite:
14346 case IcsPlayingBlack:
14350 case PlayFromGameFile:
14351 (void) StopLoadGameTimer();
14355 case BeginningOfGame:
14356 if (appData.icsActive) return;
14357 /* else fall through */
14358 case MachinePlaysWhite:
14359 case MachinePlaysBlack:
14360 case TwoMachinesPlay:
14361 if (forwardMostMove == 0)
14362 return; /* don't pause if no one has moved */
14363 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14364 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14365 if(onMove->pause) { // thinking engine can be paused
14366 PauseEngine(onMove); // do it
14367 if(onMove->other->pause) // pondering opponent can always be paused immediately
14368 PauseEngine(onMove->other);
14370 SendToProgram("easy\n", onMove->other);
14372 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14373 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14375 PauseEngine(&first);
14377 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14378 } else { // human on move, pause pondering by either method
14380 PauseEngine(&first);
14381 else if(appData.ponderNextMove)
14382 SendToProgram("easy\n", &first);
14385 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14395 EditCommentEvent ()
14397 char title[MSG_SIZ];
14399 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14400 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14402 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14403 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14404 parseList[currentMove - 1]);
14407 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14414 char *tags = PGNTags(&gameInfo);
14416 EditTagsPopUp(tags, NULL);
14423 if(second.analyzing) {
14424 SendToProgram("exit\n", &second);
14425 second.analyzing = FALSE;
14427 if (second.pr == NoProc) StartChessProgram(&second);
14428 InitChessProgram(&second, FALSE);
14429 FeedMovesToProgram(&second, currentMove);
14431 SendToProgram("analyze\n", &second);
14432 second.analyzing = TRUE;
14436 /* Toggle ShowThinking */
14438 ToggleShowThinking()
14440 appData.showThinking = !appData.showThinking;
14441 ShowThinkingEvent();
14445 AnalyzeModeEvent ()
14449 if (!first.analysisSupport) {
14450 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14451 DisplayError(buf, 0);
14454 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14455 if (appData.icsActive) {
14456 if (gameMode != IcsObserving) {
14457 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14458 DisplayError(buf, 0);
14460 if (appData.icsEngineAnalyze) {
14461 if (appData.debugMode)
14462 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14468 /* if enable, user wants to disable icsEngineAnalyze */
14469 if (appData.icsEngineAnalyze) {
14474 appData.icsEngineAnalyze = TRUE;
14475 if (appData.debugMode)
14476 fprintf(debugFP, "ICS engine analyze starting... \n");
14479 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14480 if (appData.noChessProgram || gameMode == AnalyzeMode)
14483 if (gameMode != AnalyzeFile) {
14484 if (!appData.icsEngineAnalyze) {
14486 if (gameMode != EditGame) return 0;
14488 if (!appData.showThinking) ToggleShowThinking();
14489 ResurrectChessProgram();
14490 SendToProgram("analyze\n", &first);
14491 first.analyzing = TRUE;
14492 /*first.maybeThinking = TRUE;*/
14493 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14494 EngineOutputPopUp();
14496 if (!appData.icsEngineAnalyze) {
14497 gameMode = AnalyzeMode;
14498 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14504 StartAnalysisClock();
14505 GetTimeMark(&lastNodeCountTime);
14511 AnalyzeFileEvent ()
14513 if (appData.noChessProgram || gameMode == AnalyzeFile)
14516 if (!first.analysisSupport) {
14518 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14519 DisplayError(buf, 0);
14523 if (gameMode != AnalyzeMode) {
14524 keepInfo = 1; // mere annotating should not alter PGN tags
14527 if (gameMode != EditGame) return;
14528 if (!appData.showThinking) ToggleShowThinking();
14529 ResurrectChessProgram();
14530 SendToProgram("analyze\n", &first);
14531 first.analyzing = TRUE;
14532 /*first.maybeThinking = TRUE;*/
14533 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14534 EngineOutputPopUp();
14536 gameMode = AnalyzeFile;
14540 StartAnalysisClock();
14541 GetTimeMark(&lastNodeCountTime);
14543 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14544 AnalysisPeriodicEvent(1);
14548 MachineWhiteEvent ()
14551 char *bookHit = NULL;
14553 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14557 if (gameMode == PlayFromGameFile ||
14558 gameMode == TwoMachinesPlay ||
14559 gameMode == Training ||
14560 gameMode == AnalyzeMode ||
14561 gameMode == EndOfGame)
14564 if (gameMode == EditPosition)
14565 EditPositionDone(TRUE);
14567 if (!WhiteOnMove(currentMove)) {
14568 DisplayError(_("It is not White's turn"), 0);
14572 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14575 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14576 gameMode == AnalyzeFile)
14579 ResurrectChessProgram(); /* in case it isn't running */
14580 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14581 gameMode = MachinePlaysWhite;
14584 gameMode = MachinePlaysWhite;
14588 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14590 if (first.sendName) {
14591 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14592 SendToProgram(buf, &first);
14594 if (first.sendTime) {
14595 if (first.useColors) {
14596 SendToProgram("black\n", &first); /*gnu kludge*/
14598 SendTimeRemaining(&first, TRUE);
14600 if (first.useColors) {
14601 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14603 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14604 SetMachineThinkingEnables();
14605 first.maybeThinking = TRUE;
14609 if (appData.autoFlipView && !flipView) {
14610 flipView = !flipView;
14611 DrawPosition(FALSE, NULL);
14612 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14615 if(bookHit) { // [HGM] book: simulate book reply
14616 static char bookMove[MSG_SIZ]; // a bit generous?
14618 programStats.nodes = programStats.depth = programStats.time =
14619 programStats.score = programStats.got_only_move = 0;
14620 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14622 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14623 strcat(bookMove, bookHit);
14624 HandleMachineMove(bookMove, &first);
14629 MachineBlackEvent ()
14632 char *bookHit = NULL;
14634 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14638 if (gameMode == PlayFromGameFile ||
14639 gameMode == TwoMachinesPlay ||
14640 gameMode == Training ||
14641 gameMode == AnalyzeMode ||
14642 gameMode == EndOfGame)
14645 if (gameMode == EditPosition)
14646 EditPositionDone(TRUE);
14648 if (WhiteOnMove(currentMove)) {
14649 DisplayError(_("It is not Black's turn"), 0);
14653 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14656 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14657 gameMode == AnalyzeFile)
14660 ResurrectChessProgram(); /* in case it isn't running */
14661 gameMode = MachinePlaysBlack;
14665 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14667 if (first.sendName) {
14668 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14669 SendToProgram(buf, &first);
14671 if (first.sendTime) {
14672 if (first.useColors) {
14673 SendToProgram("white\n", &first); /*gnu kludge*/
14675 SendTimeRemaining(&first, FALSE);
14677 if (first.useColors) {
14678 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14680 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14681 SetMachineThinkingEnables();
14682 first.maybeThinking = TRUE;
14685 if (appData.autoFlipView && flipView) {
14686 flipView = !flipView;
14687 DrawPosition(FALSE, NULL);
14688 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14690 if(bookHit) { // [HGM] book: simulate book reply
14691 static char bookMove[MSG_SIZ]; // a bit generous?
14693 programStats.nodes = programStats.depth = programStats.time =
14694 programStats.score = programStats.got_only_move = 0;
14695 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14697 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14698 strcat(bookMove, bookHit);
14699 HandleMachineMove(bookMove, &first);
14705 DisplayTwoMachinesTitle ()
14708 if (appData.matchGames > 0) {
14709 if(appData.tourneyFile[0]) {
14710 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14711 gameInfo.white, _("vs."), gameInfo.black,
14712 nextGame+1, appData.matchGames+1,
14713 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14715 if (first.twoMachinesColor[0] == 'w') {
14716 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14717 gameInfo.white, _("vs."), gameInfo.black,
14718 first.matchWins, second.matchWins,
14719 matchGame - 1 - (first.matchWins + second.matchWins));
14721 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14722 gameInfo.white, _("vs."), gameInfo.black,
14723 second.matchWins, first.matchWins,
14724 matchGame - 1 - (first.matchWins + second.matchWins));
14727 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14733 SettingsMenuIfReady ()
14735 if (second.lastPing != second.lastPong) {
14736 DisplayMessage("", _("Waiting for second chess program"));
14737 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14741 DisplayMessage("", "");
14742 SettingsPopUp(&second);
14746 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14749 if (cps->pr == NoProc) {
14750 StartChessProgram(cps);
14751 if (cps->protocolVersion == 1) {
14753 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14755 /* kludge: allow timeout for initial "feature" command */
14756 if(retry != TwoMachinesEventIfReady) FreezeUI();
14757 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14758 DisplayMessage("", buf);
14759 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14767 TwoMachinesEvent P((void))
14771 ChessProgramState *onmove;
14772 char *bookHit = NULL;
14773 static int stalling = 0;
14777 if (appData.noChessProgram) return;
14779 switch (gameMode) {
14780 case TwoMachinesPlay:
14782 case MachinePlaysWhite:
14783 case MachinePlaysBlack:
14784 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14785 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14789 case BeginningOfGame:
14790 case PlayFromGameFile:
14793 if (gameMode != EditGame) return;
14796 EditPositionDone(TRUE);
14807 // forwardMostMove = currentMove;
14808 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14809 startingEngine = TRUE;
14811 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14813 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14814 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14815 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14818 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14820 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14821 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14822 startingEngine = matchMode = FALSE;
14823 DisplayError("second engine does not play this", 0);
14824 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14825 EditGameEvent(); // switch back to EditGame mode
14830 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14831 SendToProgram("force\n", &second);
14833 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14836 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14837 if(appData.matchPause>10000 || appData.matchPause<10)
14838 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14839 wait = SubtractTimeMarks(&now, &pauseStart);
14840 if(wait < appData.matchPause) {
14841 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14844 // we are now committed to starting the game
14846 DisplayMessage("", "");
14847 if (startedFromSetupPosition) {
14848 SendBoard(&second, backwardMostMove);
14849 if (appData.debugMode) {
14850 fprintf(debugFP, "Two Machines\n");
14853 for (i = backwardMostMove; i < forwardMostMove; i++) {
14854 SendMoveToProgram(i, &second);
14857 gameMode = TwoMachinesPlay;
14858 pausing = startingEngine = FALSE;
14859 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14861 DisplayTwoMachinesTitle();
14863 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14868 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14869 SendToProgram(first.computerString, &first);
14870 if (first.sendName) {
14871 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14872 SendToProgram(buf, &first);
14874 SendToProgram(second.computerString, &second);
14875 if (second.sendName) {
14876 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14877 SendToProgram(buf, &second);
14881 if (!first.sendTime || !second.sendTime) {
14882 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14883 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14885 if (onmove->sendTime) {
14886 if (onmove->useColors) {
14887 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14889 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14891 if (onmove->useColors) {
14892 SendToProgram(onmove->twoMachinesColor, onmove);
14894 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14895 // SendToProgram("go\n", onmove);
14896 onmove->maybeThinking = TRUE;
14897 SetMachineThinkingEnables();
14901 if(bookHit) { // [HGM] book: simulate book reply
14902 static char bookMove[MSG_SIZ]; // a bit generous?
14904 programStats.nodes = programStats.depth = programStats.time =
14905 programStats.score = programStats.got_only_move = 0;
14906 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14908 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14909 strcat(bookMove, bookHit);
14910 savedMessage = bookMove; // args for deferred call
14911 savedState = onmove;
14912 ScheduleDelayedEvent(DeferredBookMove, 1);
14919 if (gameMode == Training) {
14920 SetTrainingModeOff();
14921 gameMode = PlayFromGameFile;
14922 DisplayMessage("", _("Training mode off"));
14924 gameMode = Training;
14925 animateTraining = appData.animate;
14927 /* make sure we are not already at the end of the game */
14928 if (currentMove < forwardMostMove) {
14929 SetTrainingModeOn();
14930 DisplayMessage("", _("Training mode on"));
14932 gameMode = PlayFromGameFile;
14933 DisplayError(_("Already at end of game"), 0);
14942 if (!appData.icsActive) return;
14943 switch (gameMode) {
14944 case IcsPlayingWhite:
14945 case IcsPlayingBlack:
14948 case BeginningOfGame:
14956 EditPositionDone(TRUE);
14969 gameMode = IcsIdle;
14979 switch (gameMode) {
14981 SetTrainingModeOff();
14983 case MachinePlaysWhite:
14984 case MachinePlaysBlack:
14985 case BeginningOfGame:
14986 SendToProgram("force\n", &first);
14987 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
14988 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
14990 abortEngineThink = TRUE;
14991 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
14992 SendToProgram(buf, &first);
14993 DisplayMessage("Aborting engine think", "");
14997 SetUserThinkingEnables();
14999 case PlayFromGameFile:
15000 (void) StopLoadGameTimer();
15001 if (gameFileFP != NULL) {
15006 EditPositionDone(TRUE);
15011 SendToProgram("force\n", &first);
15013 case TwoMachinesPlay:
15014 GameEnds(EndOfFile, NULL, GE_PLAYER);
15015 ResurrectChessProgram();
15016 SetUserThinkingEnables();
15019 ResurrectChessProgram();
15021 case IcsPlayingBlack:
15022 case IcsPlayingWhite:
15023 DisplayError(_("Warning: You are still playing a game"), 0);
15026 DisplayError(_("Warning: You are still observing a game"), 0);
15029 DisplayError(_("Warning: You are still examining a game"), 0);
15040 first.offeredDraw = second.offeredDraw = 0;
15042 if (gameMode == PlayFromGameFile) {
15043 whiteTimeRemaining = timeRemaining[0][currentMove];
15044 blackTimeRemaining = timeRemaining[1][currentMove];
15048 if (gameMode == MachinePlaysWhite ||
15049 gameMode == MachinePlaysBlack ||
15050 gameMode == TwoMachinesPlay ||
15051 gameMode == EndOfGame) {
15052 i = forwardMostMove;
15053 while (i > currentMove) {
15054 SendToProgram("undo\n", &first);
15057 if(!adjustedClock) {
15058 whiteTimeRemaining = timeRemaining[0][currentMove];
15059 blackTimeRemaining = timeRemaining[1][currentMove];
15060 DisplayBothClocks();
15062 if (whiteFlag || blackFlag) {
15063 whiteFlag = blackFlag = 0;
15068 gameMode = EditGame;
15075 EditPositionEvent ()
15077 if (gameMode == EditPosition) {
15083 if (gameMode != EditGame) return;
15085 gameMode = EditPosition;
15088 if (currentMove > 0)
15089 CopyBoard(boards[0], boards[currentMove]);
15091 blackPlaysFirst = !WhiteOnMove(currentMove);
15093 currentMove = forwardMostMove = backwardMostMove = 0;
15094 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15096 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15102 /* [DM] icsEngineAnalyze - possible call from other functions */
15103 if (appData.icsEngineAnalyze) {
15104 appData.icsEngineAnalyze = FALSE;
15106 DisplayMessage("",_("Close ICS engine analyze..."));
15108 if (first.analysisSupport && first.analyzing) {
15109 SendToBoth("exit\n");
15110 first.analyzing = second.analyzing = FALSE;
15112 thinkOutput[0] = NULLCHAR;
15116 EditPositionDone (Boolean fakeRights)
15118 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15120 startedFromSetupPosition = TRUE;
15121 InitChessProgram(&first, FALSE);
15122 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15123 boards[0][EP_STATUS] = EP_NONE;
15124 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15125 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15126 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15127 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15128 } else boards[0][CASTLING][2] = NoRights;
15129 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15130 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15131 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15132 } else boards[0][CASTLING][5] = NoRights;
15133 if(gameInfo.variant == VariantSChess) {
15135 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15136 boards[0][VIRGIN][i] = 0;
15137 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15138 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15142 SendToProgram("force\n", &first);
15143 if (blackPlaysFirst) {
15144 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15145 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15146 currentMove = forwardMostMove = backwardMostMove = 1;
15147 CopyBoard(boards[1], boards[0]);
15149 currentMove = forwardMostMove = backwardMostMove = 0;
15151 SendBoard(&first, forwardMostMove);
15152 if (appData.debugMode) {
15153 fprintf(debugFP, "EditPosDone\n");
15156 DisplayMessage("", "");
15157 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15158 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15159 gameMode = EditGame;
15161 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15162 ClearHighlights(); /* [AS] */
15165 /* Pause for `ms' milliseconds */
15166 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15168 TimeDelay (long ms)
15175 } while (SubtractTimeMarks(&m2, &m1) < ms);
15178 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15180 SendMultiLineToICS (char *buf)
15182 char temp[MSG_SIZ+1], *p;
15189 strncpy(temp, buf, len);
15194 if (*p == '\n' || *p == '\r')
15199 strcat(temp, "\n");
15201 SendToPlayer(temp, strlen(temp));
15205 SetWhiteToPlayEvent ()
15207 if (gameMode == EditPosition) {
15208 blackPlaysFirst = FALSE;
15209 DisplayBothClocks(); /* works because currentMove is 0 */
15210 } else if (gameMode == IcsExamining) {
15211 SendToICS(ics_prefix);
15212 SendToICS("tomove white\n");
15217 SetBlackToPlayEvent ()
15219 if (gameMode == EditPosition) {
15220 blackPlaysFirst = TRUE;
15221 currentMove = 1; /* kludge */
15222 DisplayBothClocks();
15224 } else if (gameMode == IcsExamining) {
15225 SendToICS(ics_prefix);
15226 SendToICS("tomove black\n");
15231 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15234 ChessSquare piece = boards[0][y][x];
15235 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15236 static int lastVariant;
15238 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15240 switch (selection) {
15242 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15243 MarkTargetSquares(1);
15244 CopyBoard(currentBoard, boards[0]);
15245 CopyBoard(menuBoard, initialPosition);
15246 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15247 SendToICS(ics_prefix);
15248 SendToICS("bsetup clear\n");
15249 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15250 SendToICS(ics_prefix);
15251 SendToICS("clearboard\n");
15254 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15255 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15256 for (y = 0; y < BOARD_HEIGHT; y++) {
15257 if (gameMode == IcsExamining) {
15258 if (boards[currentMove][y][x] != EmptySquare) {
15259 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15263 } else if(boards[0][y][x] != DarkSquare) {
15264 if(boards[0][y][x] != p) nonEmpty++;
15265 boards[0][y][x] = p;
15269 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15271 for(r = 0; r < BOARD_HEIGHT; r++) {
15272 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15273 ChessSquare p = menuBoard[r][x];
15274 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15277 DisplayMessage("Clicking clock again restores position", "");
15278 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15279 if(!nonEmpty) { // asked to clear an empty board
15280 CopyBoard(boards[0], menuBoard);
15282 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15283 CopyBoard(boards[0], initialPosition);
15285 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15286 && !CompareBoards(nullBoard, erasedBoard)) {
15287 CopyBoard(boards[0], erasedBoard);
15289 CopyBoard(erasedBoard, currentBoard);
15293 if (gameMode == EditPosition) {
15294 DrawPosition(FALSE, boards[0]);
15299 SetWhiteToPlayEvent();
15303 SetBlackToPlayEvent();
15307 if (gameMode == IcsExamining) {
15308 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15309 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15312 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15313 if(x == BOARD_LEFT-2) {
15314 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15315 boards[0][y][1] = 0;
15317 if(x == BOARD_RGHT+1) {
15318 if(y >= gameInfo.holdingsSize) break;
15319 boards[0][y][BOARD_WIDTH-2] = 0;
15322 boards[0][y][x] = EmptySquare;
15323 DrawPosition(FALSE, boards[0]);
15328 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15329 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15330 selection = (ChessSquare) (PROMOTED piece);
15331 } else if(piece == EmptySquare) selection = WhiteSilver;
15332 else selection = (ChessSquare)((int)piece - 1);
15336 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15337 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15338 selection = (ChessSquare) (DEMOTED piece);
15339 } else if(piece == EmptySquare) selection = BlackSilver;
15340 else selection = (ChessSquare)((int)piece + 1);
15345 if(gameInfo.variant == VariantShatranj ||
15346 gameInfo.variant == VariantXiangqi ||
15347 gameInfo.variant == VariantCourier ||
15348 gameInfo.variant == VariantASEAN ||
15349 gameInfo.variant == VariantMakruk )
15350 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15355 if(gameInfo.variant == VariantXiangqi)
15356 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15357 if(gameInfo.variant == VariantKnightmate)
15358 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15361 if (gameMode == IcsExamining) {
15362 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15363 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15364 PieceToChar(selection), AAA + x, ONE + y);
15367 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15369 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15370 n = PieceToNumber(selection - BlackPawn);
15371 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15372 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15373 boards[0][BOARD_HEIGHT-1-n][1]++;
15375 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15376 n = PieceToNumber(selection);
15377 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15378 boards[0][n][BOARD_WIDTH-1] = selection;
15379 boards[0][n][BOARD_WIDTH-2]++;
15382 boards[0][y][x] = selection;
15383 DrawPosition(TRUE, boards[0]);
15385 fromX = fromY = -1;
15393 DropMenuEvent (ChessSquare selection, int x, int y)
15395 ChessMove moveType;
15397 switch (gameMode) {
15398 case IcsPlayingWhite:
15399 case MachinePlaysBlack:
15400 if (!WhiteOnMove(currentMove)) {
15401 DisplayMoveError(_("It is Black's turn"));
15404 moveType = WhiteDrop;
15406 case IcsPlayingBlack:
15407 case MachinePlaysWhite:
15408 if (WhiteOnMove(currentMove)) {
15409 DisplayMoveError(_("It is White's turn"));
15412 moveType = BlackDrop;
15415 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15421 if (moveType == BlackDrop && selection < BlackPawn) {
15422 selection = (ChessSquare) ((int) selection
15423 + (int) BlackPawn - (int) WhitePawn);
15425 if (boards[currentMove][y][x] != EmptySquare) {
15426 DisplayMoveError(_("That square is occupied"));
15430 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15436 /* Accept a pending offer of any kind from opponent */
15438 if (appData.icsActive) {
15439 SendToICS(ics_prefix);
15440 SendToICS("accept\n");
15441 } else if (cmailMsgLoaded) {
15442 if (currentMove == cmailOldMove &&
15443 commentList[cmailOldMove] != NULL &&
15444 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15445 "Black offers a draw" : "White offers a draw")) {
15447 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15448 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15450 DisplayError(_("There is no pending offer on this move"), 0);
15451 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15454 /* Not used for offers from chess program */
15461 /* Decline a pending offer of any kind from opponent */
15463 if (appData.icsActive) {
15464 SendToICS(ics_prefix);
15465 SendToICS("decline\n");
15466 } else if (cmailMsgLoaded) {
15467 if (currentMove == cmailOldMove &&
15468 commentList[cmailOldMove] != NULL &&
15469 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15470 "Black offers a draw" : "White offers a draw")) {
15472 AppendComment(cmailOldMove, "Draw declined", TRUE);
15473 DisplayComment(cmailOldMove - 1, "Draw declined");
15476 DisplayError(_("There is no pending offer on this move"), 0);
15479 /* Not used for offers from chess program */
15486 /* Issue ICS rematch command */
15487 if (appData.icsActive) {
15488 SendToICS(ics_prefix);
15489 SendToICS("rematch\n");
15496 /* Call your opponent's flag (claim a win on time) */
15497 if (appData.icsActive) {
15498 SendToICS(ics_prefix);
15499 SendToICS("flag\n");
15501 switch (gameMode) {
15504 case MachinePlaysWhite:
15507 GameEnds(GameIsDrawn, "Both players ran out of time",
15510 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15512 DisplayError(_("Your opponent is not out of time"), 0);
15515 case MachinePlaysBlack:
15518 GameEnds(GameIsDrawn, "Both players ran out of time",
15521 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15523 DisplayError(_("Your opponent is not out of time"), 0);
15531 ClockClick (int which)
15532 { // [HGM] code moved to back-end from winboard.c
15533 if(which) { // black clock
15534 if (gameMode == EditPosition || gameMode == IcsExamining) {
15535 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15536 SetBlackToPlayEvent();
15537 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15538 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15539 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15540 } else if (shiftKey) {
15541 AdjustClock(which, -1);
15542 } else if (gameMode == IcsPlayingWhite ||
15543 gameMode == MachinePlaysBlack) {
15546 } else { // white clock
15547 if (gameMode == EditPosition || gameMode == IcsExamining) {
15548 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15549 SetWhiteToPlayEvent();
15550 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15551 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15552 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15553 } else if (shiftKey) {
15554 AdjustClock(which, -1);
15555 } else if (gameMode == IcsPlayingBlack ||
15556 gameMode == MachinePlaysWhite) {
15565 /* Offer draw or accept pending draw offer from opponent */
15567 if (appData.icsActive) {
15568 /* Note: tournament rules require draw offers to be
15569 made after you make your move but before you punch
15570 your clock. Currently ICS doesn't let you do that;
15571 instead, you immediately punch your clock after making
15572 a move, but you can offer a draw at any time. */
15574 SendToICS(ics_prefix);
15575 SendToICS("draw\n");
15576 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15577 } else if (cmailMsgLoaded) {
15578 if (currentMove == cmailOldMove &&
15579 commentList[cmailOldMove] != NULL &&
15580 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15581 "Black offers a draw" : "White offers a draw")) {
15582 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15583 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15584 } else if (currentMove == cmailOldMove + 1) {
15585 char *offer = WhiteOnMove(cmailOldMove) ?
15586 "White offers a draw" : "Black offers a draw";
15587 AppendComment(currentMove, offer, TRUE);
15588 DisplayComment(currentMove - 1, offer);
15589 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15591 DisplayError(_("You must make your move before offering a draw"), 0);
15592 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15594 } else if (first.offeredDraw) {
15595 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15597 if (first.sendDrawOffers) {
15598 SendToProgram("draw\n", &first);
15599 userOfferedDraw = TRUE;
15607 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15609 if (appData.icsActive) {
15610 SendToICS(ics_prefix);
15611 SendToICS("adjourn\n");
15613 /* Currently GNU Chess doesn't offer or accept Adjourns */
15621 /* Offer Abort or accept pending Abort offer from opponent */
15623 if (appData.icsActive) {
15624 SendToICS(ics_prefix);
15625 SendToICS("abort\n");
15627 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15634 /* Resign. You can do this even if it's not your turn. */
15636 if (appData.icsActive) {
15637 SendToICS(ics_prefix);
15638 SendToICS("resign\n");
15640 switch (gameMode) {
15641 case MachinePlaysWhite:
15642 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15644 case MachinePlaysBlack:
15645 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15648 if (cmailMsgLoaded) {
15650 if (WhiteOnMove(cmailOldMove)) {
15651 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15653 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15655 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15666 StopObservingEvent ()
15668 /* Stop observing current games */
15669 SendToICS(ics_prefix);
15670 SendToICS("unobserve\n");
15674 StopExaminingEvent ()
15676 /* Stop observing current game */
15677 SendToICS(ics_prefix);
15678 SendToICS("unexamine\n");
15682 ForwardInner (int target)
15684 int limit; int oldSeekGraphUp = seekGraphUp;
15686 if (appData.debugMode)
15687 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15688 target, currentMove, forwardMostMove);
15690 if (gameMode == EditPosition)
15693 seekGraphUp = FALSE;
15694 MarkTargetSquares(1);
15695 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15697 if (gameMode == PlayFromGameFile && !pausing)
15700 if (gameMode == IcsExamining && pausing)
15701 limit = pauseExamForwardMostMove;
15703 limit = forwardMostMove;
15705 if (target > limit) target = limit;
15707 if (target > 0 && moveList[target - 1][0]) {
15708 int fromX, fromY, toX, toY;
15709 toX = moveList[target - 1][2] - AAA;
15710 toY = moveList[target - 1][3] - ONE;
15711 if (moveList[target - 1][1] == '@') {
15712 if (appData.highlightLastMove) {
15713 SetHighlights(-1, -1, toX, toY);
15716 int viaX = moveList[target - 1][5] - AAA;
15717 int viaY = moveList[target - 1][6] - ONE;
15718 fromX = moveList[target - 1][0] - AAA;
15719 fromY = moveList[target - 1][1] - ONE;
15720 if (target == currentMove + 1) {
15721 if(moveList[target - 1][4] == ';') { // multi-leg
15722 ChessSquare piece = boards[currentMove][viaY][viaX];
15723 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15724 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15725 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15726 boards[currentMove][viaY][viaX] = piece;
15728 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15730 if (appData.highlightLastMove) {
15731 SetHighlights(fromX, fromY, toX, toY);
15735 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15736 gameMode == Training || gameMode == PlayFromGameFile ||
15737 gameMode == AnalyzeFile) {
15738 while (currentMove < target) {
15739 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15740 SendMoveToProgram(currentMove++, &first);
15743 currentMove = target;
15746 if (gameMode == EditGame || gameMode == EndOfGame) {
15747 whiteTimeRemaining = timeRemaining[0][currentMove];
15748 blackTimeRemaining = timeRemaining[1][currentMove];
15750 DisplayBothClocks();
15751 DisplayMove(currentMove - 1);
15752 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15753 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15754 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15755 DisplayComment(currentMove - 1, commentList[currentMove]);
15757 ClearMap(); // [HGM] exclude: invalidate map
15764 if (gameMode == IcsExamining && !pausing) {
15765 SendToICS(ics_prefix);
15766 SendToICS("forward\n");
15768 ForwardInner(currentMove + 1);
15775 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15776 /* to optimze, we temporarily turn off analysis mode while we feed
15777 * the remaining moves to the engine. Otherwise we get analysis output
15780 if (first.analysisSupport) {
15781 SendToProgram("exit\nforce\n", &first);
15782 first.analyzing = FALSE;
15786 if (gameMode == IcsExamining && !pausing) {
15787 SendToICS(ics_prefix);
15788 SendToICS("forward 999999\n");
15790 ForwardInner(forwardMostMove);
15793 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15794 /* we have fed all the moves, so reactivate analysis mode */
15795 SendToProgram("analyze\n", &first);
15796 first.analyzing = TRUE;
15797 /*first.maybeThinking = TRUE;*/
15798 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15803 BackwardInner (int target)
15805 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15807 if (appData.debugMode)
15808 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15809 target, currentMove, forwardMostMove);
15811 if (gameMode == EditPosition) return;
15812 seekGraphUp = FALSE;
15813 MarkTargetSquares(1);
15814 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15815 if (currentMove <= backwardMostMove) {
15817 DrawPosition(full_redraw, boards[currentMove]);
15820 if (gameMode == PlayFromGameFile && !pausing)
15823 if (moveList[target][0]) {
15824 int fromX, fromY, toX, toY;
15825 toX = moveList[target][2] - AAA;
15826 toY = moveList[target][3] - ONE;
15827 if (moveList[target][1] == '@') {
15828 if (appData.highlightLastMove) {
15829 SetHighlights(-1, -1, toX, toY);
15832 fromX = moveList[target][0] - AAA;
15833 fromY = moveList[target][1] - ONE;
15834 if (target == currentMove - 1) {
15835 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15837 if (appData.highlightLastMove) {
15838 SetHighlights(fromX, fromY, toX, toY);
15842 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15843 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15844 while (currentMove > target) {
15845 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15846 // null move cannot be undone. Reload program with move history before it.
15848 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15849 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15851 SendBoard(&first, i);
15852 if(second.analyzing) SendBoard(&second, i);
15853 for(currentMove=i; currentMove<target; currentMove++) {
15854 SendMoveToProgram(currentMove, &first);
15855 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15859 SendToBoth("undo\n");
15863 currentMove = target;
15866 if (gameMode == EditGame || gameMode == EndOfGame) {
15867 whiteTimeRemaining = timeRemaining[0][currentMove];
15868 blackTimeRemaining = timeRemaining[1][currentMove];
15870 DisplayBothClocks();
15871 DisplayMove(currentMove - 1);
15872 DrawPosition(full_redraw, boards[currentMove]);
15873 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15874 // [HGM] PV info: routine tests if comment empty
15875 DisplayComment(currentMove - 1, commentList[currentMove]);
15876 ClearMap(); // [HGM] exclude: invalidate map
15882 if (gameMode == IcsExamining && !pausing) {
15883 SendToICS(ics_prefix);
15884 SendToICS("backward\n");
15886 BackwardInner(currentMove - 1);
15893 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15894 /* to optimize, we temporarily turn off analysis mode while we undo
15895 * all the moves. Otherwise we get analysis output after each undo.
15897 if (first.analysisSupport) {
15898 SendToProgram("exit\nforce\n", &first);
15899 first.analyzing = FALSE;
15903 if (gameMode == IcsExamining && !pausing) {
15904 SendToICS(ics_prefix);
15905 SendToICS("backward 999999\n");
15907 BackwardInner(backwardMostMove);
15910 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15911 /* we have fed all the moves, so reactivate analysis mode */
15912 SendToProgram("analyze\n", &first);
15913 first.analyzing = TRUE;
15914 /*first.maybeThinking = TRUE;*/
15915 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15922 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15923 if (to >= forwardMostMove) to = forwardMostMove;
15924 if (to <= backwardMostMove) to = backwardMostMove;
15925 if (to < currentMove) {
15933 RevertEvent (Boolean annotate)
15935 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15938 if (gameMode != IcsExamining) {
15939 DisplayError(_("You are not examining a game"), 0);
15943 DisplayError(_("You can't revert while pausing"), 0);
15946 SendToICS(ics_prefix);
15947 SendToICS("revert\n");
15951 RetractMoveEvent ()
15953 switch (gameMode) {
15954 case MachinePlaysWhite:
15955 case MachinePlaysBlack:
15956 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15957 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15960 if (forwardMostMove < 2) return;
15961 currentMove = forwardMostMove = forwardMostMove - 2;
15962 whiteTimeRemaining = timeRemaining[0][currentMove];
15963 blackTimeRemaining = timeRemaining[1][currentMove];
15964 DisplayBothClocks();
15965 DisplayMove(currentMove - 1);
15966 ClearHighlights();/*!! could figure this out*/
15967 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15968 SendToProgram("remove\n", &first);
15969 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15972 case BeginningOfGame:
15976 case IcsPlayingWhite:
15977 case IcsPlayingBlack:
15978 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15979 SendToICS(ics_prefix);
15980 SendToICS("takeback 2\n");
15982 SendToICS(ics_prefix);
15983 SendToICS("takeback 1\n");
15992 ChessProgramState *cps;
15994 switch (gameMode) {
15995 case MachinePlaysWhite:
15996 if (!WhiteOnMove(forwardMostMove)) {
15997 DisplayError(_("It is your turn"), 0);
16002 case MachinePlaysBlack:
16003 if (WhiteOnMove(forwardMostMove)) {
16004 DisplayError(_("It is your turn"), 0);
16009 case TwoMachinesPlay:
16010 if (WhiteOnMove(forwardMostMove) ==
16011 (first.twoMachinesColor[0] == 'w')) {
16017 case BeginningOfGame:
16021 SendToProgram("?\n", cps);
16025 TruncateGameEvent ()
16028 if (gameMode != EditGame) return;
16035 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16036 if (forwardMostMove > currentMove) {
16037 if (gameInfo.resultDetails != NULL) {
16038 free(gameInfo.resultDetails);
16039 gameInfo.resultDetails = NULL;
16040 gameInfo.result = GameUnfinished;
16042 forwardMostMove = currentMove;
16043 HistorySet(parseList, backwardMostMove, forwardMostMove,
16051 if (appData.noChessProgram) return;
16052 switch (gameMode) {
16053 case MachinePlaysWhite:
16054 if (WhiteOnMove(forwardMostMove)) {
16055 DisplayError(_("Wait until your turn."), 0);
16059 case BeginningOfGame:
16060 case MachinePlaysBlack:
16061 if (!WhiteOnMove(forwardMostMove)) {
16062 DisplayError(_("Wait until your turn."), 0);
16067 DisplayError(_("No hint available"), 0);
16070 SendToProgram("hint\n", &first);
16071 hintRequested = TRUE;
16075 SaveSelected (FILE *g, int dummy, char *dummy2)
16077 ListGame * lg = (ListGame *) gameList.head;
16081 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16082 DisplayError(_("Game list not loaded or empty"), 0);
16086 creatingBook = TRUE; // suppresses stuff during load game
16088 /* Get list size */
16089 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16090 if(lg->position >= 0) { // selected?
16091 LoadGame(f, nItem, "", TRUE);
16092 SaveGamePGN2(g); // leaves g open
16095 lg = (ListGame *) lg->node.succ;
16099 creatingBook = FALSE;
16107 ListGame * lg = (ListGame *) gameList.head;
16110 static int secondTime = FALSE;
16112 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16113 DisplayError(_("Game list not loaded or empty"), 0);
16117 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16120 DisplayNote(_("Book file exists! Try again for overwrite."));
16124 creatingBook = TRUE;
16125 secondTime = FALSE;
16127 /* Get list size */
16128 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16129 if(lg->position >= 0) {
16130 LoadGame(f, nItem, "", TRUE);
16131 AddGameToBook(TRUE);
16134 lg = (ListGame *) lg->node.succ;
16137 creatingBook = FALSE;
16144 if (appData.noChessProgram) return;
16145 switch (gameMode) {
16146 case MachinePlaysWhite:
16147 if (WhiteOnMove(forwardMostMove)) {
16148 DisplayError(_("Wait until your turn."), 0);
16152 case BeginningOfGame:
16153 case MachinePlaysBlack:
16154 if (!WhiteOnMove(forwardMostMove)) {
16155 DisplayError(_("Wait until your turn."), 0);
16160 EditPositionDone(TRUE);
16162 case TwoMachinesPlay:
16167 SendToProgram("bk\n", &first);
16168 bookOutput[0] = NULLCHAR;
16169 bookRequested = TRUE;
16175 char *tags = PGNTags(&gameInfo);
16176 TagsPopUp(tags, CmailMsg());
16180 /* end button procedures */
16183 PrintPosition (FILE *fp, int move)
16187 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16188 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16189 char c = PieceToChar(boards[move][i][j]);
16190 fputc(c == 'x' ? '.' : c, fp);
16191 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16194 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16195 fprintf(fp, "white to play\n");
16197 fprintf(fp, "black to play\n");
16201 PrintOpponents (FILE *fp)
16203 if (gameInfo.white != NULL) {
16204 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16210 /* Find last component of program's own name, using some heuristics */
16212 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16215 int local = (strcmp(host, "localhost") == 0);
16216 while (!local && (p = strchr(prog, ';')) != NULL) {
16218 while (*p == ' ') p++;
16221 if (*prog == '"' || *prog == '\'') {
16222 q = strchr(prog + 1, *prog);
16224 q = strchr(prog, ' ');
16226 if (q == NULL) q = prog + strlen(prog);
16228 while (p >= prog && *p != '/' && *p != '\\') p--;
16230 if(p == prog && *p == '"') p++;
16232 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16233 memcpy(buf, p, q - p);
16234 buf[q - p] = NULLCHAR;
16242 TimeControlTagValue ()
16245 if (!appData.clockMode) {
16246 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16247 } else if (movesPerSession > 0) {
16248 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16249 } else if (timeIncrement == 0) {
16250 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16252 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16254 return StrSave(buf);
16260 /* This routine is used only for certain modes */
16261 VariantClass v = gameInfo.variant;
16262 ChessMove r = GameUnfinished;
16265 if(keepInfo) return;
16267 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16268 r = gameInfo.result;
16269 p = gameInfo.resultDetails;
16270 gameInfo.resultDetails = NULL;
16272 ClearGameInfo(&gameInfo);
16273 gameInfo.variant = v;
16275 switch (gameMode) {
16276 case MachinePlaysWhite:
16277 gameInfo.event = StrSave( appData.pgnEventHeader );
16278 gameInfo.site = StrSave(HostName());
16279 gameInfo.date = PGNDate();
16280 gameInfo.round = StrSave("-");
16281 gameInfo.white = StrSave(first.tidy);
16282 gameInfo.black = StrSave(UserName());
16283 gameInfo.timeControl = TimeControlTagValue();
16286 case MachinePlaysBlack:
16287 gameInfo.event = StrSave( appData.pgnEventHeader );
16288 gameInfo.site = StrSave(HostName());
16289 gameInfo.date = PGNDate();
16290 gameInfo.round = StrSave("-");
16291 gameInfo.white = StrSave(UserName());
16292 gameInfo.black = StrSave(first.tidy);
16293 gameInfo.timeControl = TimeControlTagValue();
16296 case TwoMachinesPlay:
16297 gameInfo.event = StrSave( appData.pgnEventHeader );
16298 gameInfo.site = StrSave(HostName());
16299 gameInfo.date = PGNDate();
16302 snprintf(buf, MSG_SIZ, "%d", roundNr);
16303 gameInfo.round = StrSave(buf);
16305 gameInfo.round = StrSave("-");
16307 if (first.twoMachinesColor[0] == 'w') {
16308 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16309 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16311 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16312 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16314 gameInfo.timeControl = TimeControlTagValue();
16318 gameInfo.event = StrSave("Edited game");
16319 gameInfo.site = StrSave(HostName());
16320 gameInfo.date = PGNDate();
16321 gameInfo.round = StrSave("-");
16322 gameInfo.white = StrSave("-");
16323 gameInfo.black = StrSave("-");
16324 gameInfo.result = r;
16325 gameInfo.resultDetails = p;
16329 gameInfo.event = StrSave("Edited position");
16330 gameInfo.site = StrSave(HostName());
16331 gameInfo.date = PGNDate();
16332 gameInfo.round = StrSave("-");
16333 gameInfo.white = StrSave("-");
16334 gameInfo.black = StrSave("-");
16337 case IcsPlayingWhite:
16338 case IcsPlayingBlack:
16343 case PlayFromGameFile:
16344 gameInfo.event = StrSave("Game from non-PGN file");
16345 gameInfo.site = StrSave(HostName());
16346 gameInfo.date = PGNDate();
16347 gameInfo.round = StrSave("-");
16348 gameInfo.white = StrSave("?");
16349 gameInfo.black = StrSave("?");
16358 ReplaceComment (int index, char *text)
16364 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16365 pvInfoList[index-1].depth == len &&
16366 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16367 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16368 while (*text == '\n') text++;
16369 len = strlen(text);
16370 while (len > 0 && text[len - 1] == '\n') len--;
16372 if (commentList[index] != NULL)
16373 free(commentList[index]);
16376 commentList[index] = NULL;
16379 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16380 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16381 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16382 commentList[index] = (char *) malloc(len + 2);
16383 strncpy(commentList[index], text, len);
16384 commentList[index][len] = '\n';
16385 commentList[index][len + 1] = NULLCHAR;
16387 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16389 commentList[index] = (char *) malloc(len + 7);
16390 safeStrCpy(commentList[index], "{\n", 3);
16391 safeStrCpy(commentList[index]+2, text, len+1);
16392 commentList[index][len+2] = NULLCHAR;
16393 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16394 strcat(commentList[index], "\n}\n");
16399 CrushCRs (char *text)
16407 if (ch == '\r') continue;
16409 } while (ch != '\0');
16413 AppendComment (int index, char *text, Boolean addBraces)
16414 /* addBraces tells if we should add {} */
16419 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16420 if(addBraces == 3) addBraces = 0; else // force appending literally
16421 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16424 while (*text == '\n') text++;
16425 len = strlen(text);
16426 while (len > 0 && text[len - 1] == '\n') len--;
16427 text[len] = NULLCHAR;
16429 if (len == 0) return;
16431 if (commentList[index] != NULL) {
16432 Boolean addClosingBrace = addBraces;
16433 old = commentList[index];
16434 oldlen = strlen(old);
16435 while(commentList[index][oldlen-1] == '\n')
16436 commentList[index][--oldlen] = NULLCHAR;
16437 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16438 safeStrCpy(commentList[index], old, oldlen + len + 6);
16440 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16441 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16442 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16443 while (*text == '\n') { text++; len--; }
16444 commentList[index][--oldlen] = NULLCHAR;
16446 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16447 else strcat(commentList[index], "\n");
16448 strcat(commentList[index], text);
16449 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16450 else strcat(commentList[index], "\n");
16452 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16454 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16455 else commentList[index][0] = NULLCHAR;
16456 strcat(commentList[index], text);
16457 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16458 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16463 FindStr (char * text, char * sub_text)
16465 char * result = strstr( text, sub_text );
16467 if( result != NULL ) {
16468 result += strlen( sub_text );
16474 /* [AS] Try to extract PV info from PGN comment */
16475 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16477 GetInfoFromComment (int index, char * text)
16479 char * sep = text, *p;
16481 if( text != NULL && index > 0 ) {
16484 int time = -1, sec = 0, deci;
16485 char * s_eval = FindStr( text, "[%eval " );
16486 char * s_emt = FindStr( text, "[%emt " );
16488 if( s_eval != NULL || s_emt != NULL ) {
16490 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16495 if( s_eval != NULL ) {
16496 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16500 if( delim != ']' ) {
16505 if( s_emt != NULL ) {
16510 /* We expect something like: [+|-]nnn.nn/dd */
16513 if(*text != '{') return text; // [HGM] braces: must be normal comment
16515 sep = strchr( text, '/' );
16516 if( sep == NULL || sep < (text+4) ) {
16521 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16522 if(p[1] == '(') { // comment starts with PV
16523 p = strchr(p, ')'); // locate end of PV
16524 if(p == NULL || sep < p+5) return text;
16525 // at this point we have something like "{(.*) +0.23/6 ..."
16526 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16527 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16528 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16530 time = -1; sec = -1; deci = -1;
16531 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16532 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16533 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16534 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16538 if( score_lo < 0 || score_lo >= 100 ) {
16542 if(sec >= 0) time = 600*time + 10*sec; else
16543 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16545 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16547 /* [HGM] PV time: now locate end of PV info */
16548 while( *++sep >= '0' && *sep <= '9'); // strip depth
16550 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16552 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16554 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16555 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16566 pvInfoList[index-1].depth = depth;
16567 pvInfoList[index-1].score = score;
16568 pvInfoList[index-1].time = 10*time; // centi-sec
16569 if(*sep == '}') *sep = 0; else *--sep = '{';
16570 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16576 SendToProgram (char *message, ChessProgramState *cps)
16578 int count, outCount, error;
16581 if (cps->pr == NoProc) return;
16584 if (appData.debugMode) {
16587 fprintf(debugFP, "%ld >%-6s: %s",
16588 SubtractTimeMarks(&now, &programStartTime),
16589 cps->which, message);
16591 fprintf(serverFP, "%ld >%-6s: %s",
16592 SubtractTimeMarks(&now, &programStartTime),
16593 cps->which, message), fflush(serverFP);
16596 count = strlen(message);
16597 outCount = OutputToProcess(cps->pr, message, count, &error);
16598 if (outCount < count && !exiting
16599 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16600 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16601 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16602 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16603 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16604 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16605 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16606 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16608 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16609 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16610 gameInfo.result = res;
16612 gameInfo.resultDetails = StrSave(buf);
16614 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16615 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16620 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16624 ChessProgramState *cps = (ChessProgramState *)closure;
16626 if (isr != cps->isr) return; /* Killed intentionally */
16629 RemoveInputSource(cps->isr);
16630 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16631 _(cps->which), cps->program);
16632 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16633 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16634 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16635 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16636 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16637 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16639 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16640 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16641 gameInfo.result = res;
16643 gameInfo.resultDetails = StrSave(buf);
16645 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16646 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16648 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16649 _(cps->which), cps->program);
16650 RemoveInputSource(cps->isr);
16652 /* [AS] Program is misbehaving badly... kill it */
16653 if( count == -2 ) {
16654 DestroyChildProcess( cps->pr, 9 );
16658 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16663 if ((end_str = strchr(message, '\r')) != NULL)
16664 *end_str = NULLCHAR;
16665 if ((end_str = strchr(message, '\n')) != NULL)
16666 *end_str = NULLCHAR;
16668 if (appData.debugMode) {
16669 TimeMark now; int print = 1;
16670 char *quote = ""; char c; int i;
16672 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16673 char start = message[0];
16674 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16675 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16676 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16677 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16678 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16679 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16680 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16681 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16682 sscanf(message, "hint: %c", &c)!=1 &&
16683 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16684 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16685 print = (appData.engineComments >= 2);
16687 message[0] = start; // restore original message
16691 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16692 SubtractTimeMarks(&now, &programStartTime), cps->which,
16696 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16697 SubtractTimeMarks(&now, &programStartTime), cps->which,
16699 message), fflush(serverFP);
16703 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16704 if (appData.icsEngineAnalyze) {
16705 if (strstr(message, "whisper") != NULL ||
16706 strstr(message, "kibitz") != NULL ||
16707 strstr(message, "tellics") != NULL) return;
16710 HandleMachineMove(message, cps);
16715 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16720 if( timeControl_2 > 0 ) {
16721 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16722 tc = timeControl_2;
16725 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16726 inc /= cps->timeOdds;
16727 st /= cps->timeOdds;
16729 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16732 /* Set exact time per move, normally using st command */
16733 if (cps->stKludge) {
16734 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16736 if (seconds == 0) {
16737 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16739 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16742 snprintf(buf, MSG_SIZ, "st %d\n", st);
16745 /* Set conventional or incremental time control, using level command */
16746 if (seconds == 0) {
16747 /* Note old gnuchess bug -- minutes:seconds used to not work.
16748 Fixed in later versions, but still avoid :seconds
16749 when seconds is 0. */
16750 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16752 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16753 seconds, inc/1000.);
16756 SendToProgram(buf, cps);
16758 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16759 /* Orthogonally, limit search to given depth */
16761 if (cps->sdKludge) {
16762 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16764 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16766 SendToProgram(buf, cps);
16769 if(cps->nps >= 0) { /* [HGM] nps */
16770 if(cps->supportsNPS == FALSE)
16771 cps->nps = -1; // don't use if engine explicitly says not supported!
16773 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16774 SendToProgram(buf, cps);
16779 ChessProgramState *
16781 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16783 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16784 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16790 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16792 char message[MSG_SIZ];
16795 /* Note: this routine must be called when the clocks are stopped
16796 or when they have *just* been set or switched; otherwise
16797 it will be off by the time since the current tick started.
16799 if (machineWhite) {
16800 time = whiteTimeRemaining / 10;
16801 otime = blackTimeRemaining / 10;
16803 time = blackTimeRemaining / 10;
16804 otime = whiteTimeRemaining / 10;
16806 /* [HGM] translate opponent's time by time-odds factor */
16807 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16809 if (time <= 0) time = 1;
16810 if (otime <= 0) otime = 1;
16812 snprintf(message, MSG_SIZ, "time %ld\n", time);
16813 SendToProgram(message, cps);
16815 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16816 SendToProgram(message, cps);
16820 EngineDefinedVariant (ChessProgramState *cps, int n)
16821 { // return name of n-th unknown variant that engine supports
16822 static char buf[MSG_SIZ];
16823 char *p, *s = cps->variants;
16824 if(!s) return NULL;
16825 do { // parse string from variants feature
16827 p = strchr(s, ',');
16828 if(p) *p = NULLCHAR;
16829 v = StringToVariant(s);
16830 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16831 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16832 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16833 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16834 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16835 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16836 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16839 if(n < 0) return buf;
16845 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16848 int len = strlen(name);
16851 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16853 sscanf(*p, "%d", &val);
16855 while (**p && **p != ' ')
16857 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16858 SendToProgram(buf, cps);
16865 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16868 int len = strlen(name);
16869 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16871 sscanf(*p, "%d", loc);
16872 while (**p && **p != ' ') (*p)++;
16873 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16874 SendToProgram(buf, cps);
16881 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16884 int len = strlen(name);
16885 if (strncmp((*p), name, len) == 0
16886 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16888 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16889 sscanf(*p, "%[^\"]", *loc);
16890 while (**p && **p != '\"') (*p)++;
16891 if (**p == '\"') (*p)++;
16892 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16893 SendToProgram(buf, cps);
16900 ParseOption (Option *opt, ChessProgramState *cps)
16901 // [HGM] options: process the string that defines an engine option, and determine
16902 // name, type, default value, and allowed value range
16904 char *p, *q, buf[MSG_SIZ];
16905 int n, min = (-1)<<31, max = 1<<31, def;
16907 if(p = strstr(opt->name, " -spin ")) {
16908 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16909 if(max < min) max = min; // enforce consistency
16910 if(def < min) def = min;
16911 if(def > max) def = max;
16916 } else if((p = strstr(opt->name, " -slider "))) {
16917 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16918 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16919 if(max < min) max = min; // enforce consistency
16920 if(def < min) def = min;
16921 if(def > max) def = max;
16925 opt->type = Spin; // Slider;
16926 } else if((p = strstr(opt->name, " -string "))) {
16927 opt->textValue = p+9;
16928 opt->type = TextBox;
16929 } else if((p = strstr(opt->name, " -file "))) {
16930 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16931 opt->textValue = p+7;
16932 opt->type = FileName; // FileName;
16933 } else if((p = strstr(opt->name, " -path "))) {
16934 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16935 opt->textValue = p+7;
16936 opt->type = PathName; // PathName;
16937 } else if(p = strstr(opt->name, " -check ")) {
16938 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16939 opt->value = (def != 0);
16940 opt->type = CheckBox;
16941 } else if(p = strstr(opt->name, " -combo ")) {
16942 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16943 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16944 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16945 opt->value = n = 0;
16946 while(q = StrStr(q, " /// ")) {
16947 n++; *q = 0; // count choices, and null-terminate each of them
16949 if(*q == '*') { // remember default, which is marked with * prefix
16953 cps->comboList[cps->comboCnt++] = q;
16955 cps->comboList[cps->comboCnt++] = NULL;
16957 opt->type = ComboBox;
16958 } else if(p = strstr(opt->name, " -button")) {
16959 opt->type = Button;
16960 } else if(p = strstr(opt->name, " -save")) {
16961 opt->type = SaveButton;
16962 } else return FALSE;
16963 *p = 0; // terminate option name
16964 // now look if the command-line options define a setting for this engine option.
16965 if(cps->optionSettings && cps->optionSettings[0])
16966 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16967 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16968 snprintf(buf, MSG_SIZ, "option %s", p);
16969 if(p = strstr(buf, ",")) *p = 0;
16970 if(q = strchr(buf, '=')) switch(opt->type) {
16972 for(n=0; n<opt->max; n++)
16973 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16976 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16980 opt->value = atoi(q+1);
16985 SendToProgram(buf, cps);
16991 FeatureDone (ChessProgramState *cps, int val)
16993 DelayedEventCallback cb = GetDelayedEvent();
16994 if ((cb == InitBackEnd3 && cps == &first) ||
16995 (cb == SettingsMenuIfReady && cps == &second) ||
16996 (cb == LoadEngine) ||
16997 (cb == TwoMachinesEventIfReady)) {
16998 CancelDelayedEvent();
16999 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17001 cps->initDone = val;
17002 if(val) cps->reload = FALSE;
17005 /* Parse feature command from engine */
17007 ParseFeatures (char *args, ChessProgramState *cps)
17015 while (*p == ' ') p++;
17016 if (*p == NULLCHAR) return;
17018 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17019 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17020 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17021 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17022 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17023 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17024 if (BoolFeature(&p, "reuse", &val, cps)) {
17025 /* Engine can disable reuse, but can't enable it if user said no */
17026 if (!val) cps->reuse = FALSE;
17029 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17030 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17031 if (gameMode == TwoMachinesPlay) {
17032 DisplayTwoMachinesTitle();
17038 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17039 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17040 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17041 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17042 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17043 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17044 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17045 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17046 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17047 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17048 if (IntFeature(&p, "done", &val, cps)) {
17049 FeatureDone(cps, val);
17052 /* Added by Tord: */
17053 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17054 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17055 /* End of additions by Tord */
17057 /* [HGM] added features: */
17058 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17059 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17060 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17061 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17062 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17063 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17064 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17065 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17066 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17067 FREE(cps->option[cps->nrOptions].name);
17068 cps->option[cps->nrOptions].name = q; q = NULL;
17069 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17070 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17071 SendToProgram(buf, cps);
17074 if(cps->nrOptions >= MAX_OPTIONS) {
17076 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17077 DisplayError(buf, 0);
17081 /* End of additions by HGM */
17083 /* unknown feature: complain and skip */
17085 while (*q && *q != '=') q++;
17086 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17087 SendToProgram(buf, cps);
17093 while (*p && *p != '\"') p++;
17094 if (*p == '\"') p++;
17096 while (*p && *p != ' ') p++;
17104 PeriodicUpdatesEvent (int newState)
17106 if (newState == appData.periodicUpdates)
17109 appData.periodicUpdates=newState;
17111 /* Display type changes, so update it now */
17112 // DisplayAnalysis();
17114 /* Get the ball rolling again... */
17116 AnalysisPeriodicEvent(1);
17117 StartAnalysisClock();
17122 PonderNextMoveEvent (int newState)
17124 if (newState == appData.ponderNextMove) return;
17125 if (gameMode == EditPosition) EditPositionDone(TRUE);
17127 SendToProgram("hard\n", &first);
17128 if (gameMode == TwoMachinesPlay) {
17129 SendToProgram("hard\n", &second);
17132 SendToProgram("easy\n", &first);
17133 thinkOutput[0] = NULLCHAR;
17134 if (gameMode == TwoMachinesPlay) {
17135 SendToProgram("easy\n", &second);
17138 appData.ponderNextMove = newState;
17142 NewSettingEvent (int option, int *feature, char *command, int value)
17146 if (gameMode == EditPosition) EditPositionDone(TRUE);
17147 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17148 if(feature == NULL || *feature) SendToProgram(buf, &first);
17149 if (gameMode == TwoMachinesPlay) {
17150 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17155 ShowThinkingEvent ()
17156 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17158 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17159 int newState = appData.showThinking
17160 // [HGM] thinking: other features now need thinking output as well
17161 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17163 if (oldState == newState) return;
17164 oldState = newState;
17165 if (gameMode == EditPosition) EditPositionDone(TRUE);
17167 SendToProgram("post\n", &first);
17168 if (gameMode == TwoMachinesPlay) {
17169 SendToProgram("post\n", &second);
17172 SendToProgram("nopost\n", &first);
17173 thinkOutput[0] = NULLCHAR;
17174 if (gameMode == TwoMachinesPlay) {
17175 SendToProgram("nopost\n", &second);
17178 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17182 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17184 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17185 if (pr == NoProc) return;
17186 AskQuestion(title, question, replyPrefix, pr);
17190 TypeInEvent (char firstChar)
17192 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17193 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17194 gameMode == AnalyzeMode || gameMode == EditGame ||
17195 gameMode == EditPosition || gameMode == IcsExamining ||
17196 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17197 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17198 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17199 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17200 gameMode == Training) PopUpMoveDialog(firstChar);
17204 TypeInDoneEvent (char *move)
17207 int n, fromX, fromY, toX, toY;
17209 ChessMove moveType;
17212 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17213 EditPositionPasteFEN(move);
17216 // [HGM] movenum: allow move number to be typed in any mode
17217 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17221 // undocumented kludge: allow command-line option to be typed in!
17222 // (potentially fatal, and does not implement the effect of the option.)
17223 // should only be used for options that are values on which future decisions will be made,
17224 // and definitely not on options that would be used during initialization.
17225 if(strstr(move, "!!! -") == move) {
17226 ParseArgsFromString(move+4);
17230 if (gameMode != EditGame && currentMove != forwardMostMove &&
17231 gameMode != Training) {
17232 DisplayMoveError(_("Displayed move is not current"));
17234 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17235 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17236 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17237 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17238 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17239 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17241 DisplayMoveError(_("Could not parse move"));
17247 DisplayMove (int moveNumber)
17249 char message[MSG_SIZ];
17251 char cpThinkOutput[MSG_SIZ];
17253 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17255 if (moveNumber == forwardMostMove - 1 ||
17256 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17258 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17260 if (strchr(cpThinkOutput, '\n')) {
17261 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17264 *cpThinkOutput = NULLCHAR;
17267 /* [AS] Hide thinking from human user */
17268 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17269 *cpThinkOutput = NULLCHAR;
17270 if( thinkOutput[0] != NULLCHAR ) {
17273 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17274 cpThinkOutput[i] = '.';
17276 cpThinkOutput[i] = NULLCHAR;
17277 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17281 if (moveNumber == forwardMostMove - 1 &&
17282 gameInfo.resultDetails != NULL) {
17283 if (gameInfo.resultDetails[0] == NULLCHAR) {
17284 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17286 snprintf(res, MSG_SIZ, " {%s} %s",
17287 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17293 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17294 DisplayMessage(res, cpThinkOutput);
17296 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17297 WhiteOnMove(moveNumber) ? " " : ".. ",
17298 parseList[moveNumber], res);
17299 DisplayMessage(message, cpThinkOutput);
17304 DisplayComment (int moveNumber, char *text)
17306 char title[MSG_SIZ];
17308 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17309 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17311 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17312 WhiteOnMove(moveNumber) ? " " : ".. ",
17313 parseList[moveNumber]);
17315 if (text != NULL && (appData.autoDisplayComment || commentUp))
17316 CommentPopUp(title, text);
17319 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17320 * might be busy thinking or pondering. It can be omitted if your
17321 * gnuchess is configured to stop thinking immediately on any user
17322 * input. However, that gnuchess feature depends on the FIONREAD
17323 * ioctl, which does not work properly on some flavors of Unix.
17326 Attention (ChessProgramState *cps)
17329 if (!cps->useSigint) return;
17330 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17331 switch (gameMode) {
17332 case MachinePlaysWhite:
17333 case MachinePlaysBlack:
17334 case TwoMachinesPlay:
17335 case IcsPlayingWhite:
17336 case IcsPlayingBlack:
17339 /* Skip if we know it isn't thinking */
17340 if (!cps->maybeThinking) return;
17341 if (appData.debugMode)
17342 fprintf(debugFP, "Interrupting %s\n", cps->which);
17343 InterruptChildProcess(cps->pr);
17344 cps->maybeThinking = FALSE;
17349 #endif /*ATTENTION*/
17355 if (whiteTimeRemaining <= 0) {
17358 if (appData.icsActive) {
17359 if (appData.autoCallFlag &&
17360 gameMode == IcsPlayingBlack && !blackFlag) {
17361 SendToICS(ics_prefix);
17362 SendToICS("flag\n");
17366 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17368 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17369 if (appData.autoCallFlag) {
17370 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17377 if (blackTimeRemaining <= 0) {
17380 if (appData.icsActive) {
17381 if (appData.autoCallFlag &&
17382 gameMode == IcsPlayingWhite && !whiteFlag) {
17383 SendToICS(ics_prefix);
17384 SendToICS("flag\n");
17388 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17390 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17391 if (appData.autoCallFlag) {
17392 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17403 CheckTimeControl ()
17405 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17406 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17409 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17411 if ( !WhiteOnMove(forwardMostMove) ) {
17412 /* White made time control */
17413 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17414 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17415 /* [HGM] time odds: correct new time quota for time odds! */
17416 / WhitePlayer()->timeOdds;
17417 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17419 lastBlack -= blackTimeRemaining;
17420 /* Black made time control */
17421 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17422 / WhitePlayer()->other->timeOdds;
17423 lastWhite = whiteTimeRemaining;
17428 DisplayBothClocks ()
17430 int wom = gameMode == EditPosition ?
17431 !blackPlaysFirst : WhiteOnMove(currentMove);
17432 DisplayWhiteClock(whiteTimeRemaining, wom);
17433 DisplayBlackClock(blackTimeRemaining, !wom);
17437 /* Timekeeping seems to be a portability nightmare. I think everyone
17438 has ftime(), but I'm really not sure, so I'm including some ifdefs
17439 to use other calls if you don't. Clocks will be less accurate if
17440 you have neither ftime nor gettimeofday.
17443 /* VS 2008 requires the #include outside of the function */
17444 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17445 #include <sys/timeb.h>
17448 /* Get the current time as a TimeMark */
17450 GetTimeMark (TimeMark *tm)
17452 #if HAVE_GETTIMEOFDAY
17454 struct timeval timeVal;
17455 struct timezone timeZone;
17457 gettimeofday(&timeVal, &timeZone);
17458 tm->sec = (long) timeVal.tv_sec;
17459 tm->ms = (int) (timeVal.tv_usec / 1000L);
17461 #else /*!HAVE_GETTIMEOFDAY*/
17464 // include <sys/timeb.h> / moved to just above start of function
17465 struct timeb timeB;
17468 tm->sec = (long) timeB.time;
17469 tm->ms = (int) timeB.millitm;
17471 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17472 tm->sec = (long) time(NULL);
17478 /* Return the difference in milliseconds between two
17479 time marks. We assume the difference will fit in a long!
17482 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17484 return 1000L*(tm2->sec - tm1->sec) +
17485 (long) (tm2->ms - tm1->ms);
17490 * Code to manage the game clocks.
17492 * In tournament play, black starts the clock and then white makes a move.
17493 * We give the human user a slight advantage if he is playing white---the
17494 * clocks don't run until he makes his first move, so it takes zero time.
17495 * Also, we don't account for network lag, so we could get out of sync
17496 * with GNU Chess's clock -- but then, referees are always right.
17499 static TimeMark tickStartTM;
17500 static long intendedTickLength;
17503 NextTickLength (long timeRemaining)
17505 long nominalTickLength, nextTickLength;
17507 if (timeRemaining > 0L && timeRemaining <= 10000L)
17508 nominalTickLength = 100L;
17510 nominalTickLength = 1000L;
17511 nextTickLength = timeRemaining % nominalTickLength;
17512 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17514 return nextTickLength;
17517 /* Adjust clock one minute up or down */
17519 AdjustClock (Boolean which, int dir)
17521 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17522 if(which) blackTimeRemaining += 60000*dir;
17523 else whiteTimeRemaining += 60000*dir;
17524 DisplayBothClocks();
17525 adjustedClock = TRUE;
17528 /* Stop clocks and reset to a fresh time control */
17532 (void) StopClockTimer();
17533 if (appData.icsActive) {
17534 whiteTimeRemaining = blackTimeRemaining = 0;
17535 } else if (searchTime) {
17536 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17537 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17538 } else { /* [HGM] correct new time quote for time odds */
17539 whiteTC = blackTC = fullTimeControlString;
17540 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17541 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17543 if (whiteFlag || blackFlag) {
17545 whiteFlag = blackFlag = FALSE;
17547 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17548 DisplayBothClocks();
17549 adjustedClock = FALSE;
17552 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17554 /* Decrement running clock by amount of time that has passed */
17558 long timeRemaining;
17559 long lastTickLength, fudge;
17562 if (!appData.clockMode) return;
17563 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17567 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17569 /* Fudge if we woke up a little too soon */
17570 fudge = intendedTickLength - lastTickLength;
17571 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17573 if (WhiteOnMove(forwardMostMove)) {
17574 if(whiteNPS >= 0) lastTickLength = 0;
17575 timeRemaining = whiteTimeRemaining -= lastTickLength;
17576 if(timeRemaining < 0 && !appData.icsActive) {
17577 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17578 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17579 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17580 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17583 DisplayWhiteClock(whiteTimeRemaining - fudge,
17584 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17586 if(blackNPS >= 0) lastTickLength = 0;
17587 timeRemaining = blackTimeRemaining -= lastTickLength;
17588 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17589 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17591 blackStartMove = forwardMostMove;
17592 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17595 DisplayBlackClock(blackTimeRemaining - fudge,
17596 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17598 if (CheckFlags()) return;
17600 if(twoBoards) { // count down secondary board's clocks as well
17601 activePartnerTime -= lastTickLength;
17603 if(activePartner == 'W')
17604 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17606 DisplayBlackClock(activePartnerTime, TRUE);
17611 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17612 StartClockTimer(intendedTickLength);
17614 /* if the time remaining has fallen below the alarm threshold, sound the
17615 * alarm. if the alarm has sounded and (due to a takeback or time control
17616 * with increment) the time remaining has increased to a level above the
17617 * threshold, reset the alarm so it can sound again.
17620 if (appData.icsActive && appData.icsAlarm) {
17622 /* make sure we are dealing with the user's clock */
17623 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17624 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17627 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17628 alarmSounded = FALSE;
17629 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17631 alarmSounded = TRUE;
17637 /* A player has just moved, so stop the previously running
17638 clock and (if in clock mode) start the other one.
17639 We redisplay both clocks in case we're in ICS mode, because
17640 ICS gives us an update to both clocks after every move.
17641 Note that this routine is called *after* forwardMostMove
17642 is updated, so the last fractional tick must be subtracted
17643 from the color that is *not* on move now.
17646 SwitchClocks (int newMoveNr)
17648 long lastTickLength;
17650 int flagged = FALSE;
17654 if (StopClockTimer() && appData.clockMode) {
17655 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17656 if (!WhiteOnMove(forwardMostMove)) {
17657 if(blackNPS >= 0) lastTickLength = 0;
17658 blackTimeRemaining -= lastTickLength;
17659 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17660 // if(pvInfoList[forwardMostMove].time == -1)
17661 pvInfoList[forwardMostMove].time = // use GUI time
17662 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17664 if(whiteNPS >= 0) lastTickLength = 0;
17665 whiteTimeRemaining -= lastTickLength;
17666 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17667 // if(pvInfoList[forwardMostMove].time == -1)
17668 pvInfoList[forwardMostMove].time =
17669 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17671 flagged = CheckFlags();
17673 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17674 CheckTimeControl();
17676 if (flagged || !appData.clockMode) return;
17678 switch (gameMode) {
17679 case MachinePlaysBlack:
17680 case MachinePlaysWhite:
17681 case BeginningOfGame:
17682 if (pausing) return;
17686 case PlayFromGameFile:
17694 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17695 if(WhiteOnMove(forwardMostMove))
17696 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17697 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17701 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17702 whiteTimeRemaining : blackTimeRemaining);
17703 StartClockTimer(intendedTickLength);
17707 /* Stop both clocks */
17711 long lastTickLength;
17714 if (!StopClockTimer()) return;
17715 if (!appData.clockMode) return;
17719 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17720 if (WhiteOnMove(forwardMostMove)) {
17721 if(whiteNPS >= 0) lastTickLength = 0;
17722 whiteTimeRemaining -= lastTickLength;
17723 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17725 if(blackNPS >= 0) lastTickLength = 0;
17726 blackTimeRemaining -= lastTickLength;
17727 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17732 /* Start clock of player on move. Time may have been reset, so
17733 if clock is already running, stop and restart it. */
17737 (void) StopClockTimer(); /* in case it was running already */
17738 DisplayBothClocks();
17739 if (CheckFlags()) return;
17741 if (!appData.clockMode) return;
17742 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17744 GetTimeMark(&tickStartTM);
17745 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17746 whiteTimeRemaining : blackTimeRemaining);
17748 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17749 whiteNPS = blackNPS = -1;
17750 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17751 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17752 whiteNPS = first.nps;
17753 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17754 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17755 blackNPS = first.nps;
17756 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17757 whiteNPS = second.nps;
17758 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17759 blackNPS = second.nps;
17760 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17762 StartClockTimer(intendedTickLength);
17766 TimeString (long ms)
17768 long second, minute, hour, day;
17770 static char buf[32];
17772 if (ms > 0 && ms <= 9900) {
17773 /* convert milliseconds to tenths, rounding up */
17774 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17776 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17780 /* convert milliseconds to seconds, rounding up */
17781 /* use floating point to avoid strangeness of integer division
17782 with negative dividends on many machines */
17783 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17790 day = second / (60 * 60 * 24);
17791 second = second % (60 * 60 * 24);
17792 hour = second / (60 * 60);
17793 second = second % (60 * 60);
17794 minute = second / 60;
17795 second = second % 60;
17798 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17799 sign, day, hour, minute, second);
17801 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17803 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17810 * This is necessary because some C libraries aren't ANSI C compliant yet.
17813 StrStr (char *string, char *match)
17817 length = strlen(match);
17819 for (i = strlen(string) - length; i >= 0; i--, string++)
17820 if (!strncmp(match, string, length))
17827 StrCaseStr (char *string, char *match)
17831 length = strlen(match);
17833 for (i = strlen(string) - length; i >= 0; i--, string++) {
17834 for (j = 0; j < length; j++) {
17835 if (ToLower(match[j]) != ToLower(string[j]))
17838 if (j == length) return string;
17846 StrCaseCmp (char *s1, char *s2)
17851 c1 = ToLower(*s1++);
17852 c2 = ToLower(*s2++);
17853 if (c1 > c2) return 1;
17854 if (c1 < c2) return -1;
17855 if (c1 == NULLCHAR) return 0;
17863 return isupper(c) ? tolower(c) : c;
17870 return islower(c) ? toupper(c) : c;
17872 #endif /* !_amigados */
17879 if ((ret = (char *) malloc(strlen(s) + 1)))
17881 safeStrCpy(ret, s, strlen(s)+1);
17887 StrSavePtr (char *s, char **savePtr)
17892 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17893 safeStrCpy(*savePtr, s, strlen(s)+1);
17905 clock = time((time_t *)NULL);
17906 tm = localtime(&clock);
17907 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17908 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17909 return StrSave(buf);
17914 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17916 int i, j, fromX, fromY, toX, toY;
17917 int whiteToPlay, haveRights = nrCastlingRights;
17923 whiteToPlay = (gameMode == EditPosition) ?
17924 !blackPlaysFirst : (move % 2 == 0);
17927 /* Piece placement data */
17928 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17929 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17931 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17932 if (boards[move][i][j] == EmptySquare) {
17934 } else { ChessSquare piece = boards[move][i][j];
17935 if (emptycount > 0) {
17936 if(emptycount<10) /* [HGM] can be >= 10 */
17937 *p++ = '0' + emptycount;
17938 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17941 if(PieceToChar(piece) == '+') {
17942 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17944 piece = (ChessSquare)(CHUDEMOTED piece);
17946 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17947 if(*p = PieceSuffix(piece)) p++;
17949 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17950 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17955 if (emptycount > 0) {
17956 if(emptycount<10) /* [HGM] can be >= 10 */
17957 *p++ = '0' + emptycount;
17958 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17965 /* [HGM] print Crazyhouse or Shogi holdings */
17966 if( gameInfo.holdingsWidth ) {
17967 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17969 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17970 piece = boards[move][i][BOARD_WIDTH-1];
17971 if( piece != EmptySquare )
17972 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17973 *p++ = PieceToChar(piece);
17975 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17976 piece = boards[move][BOARD_HEIGHT-i-1][0];
17977 if( piece != EmptySquare )
17978 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17979 *p++ = PieceToChar(piece);
17982 if( q == p ) *p++ = '-';
17988 *p++ = whiteToPlay ? 'w' : 'b';
17991 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
17992 haveRights = 0; q = p;
17993 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
17994 piece = boards[move][0][i];
17995 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
17996 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
17999 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18000 piece = boards[move][BOARD_HEIGHT-1][i];
18001 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18002 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18005 if(p == q) *p++ = '-';
18009 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18010 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18013 int handW=0, handB=0;
18014 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18015 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18016 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18019 if(appData.fischerCastling) {
18020 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18021 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18022 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18024 /* [HGM] write directly from rights */
18025 if(boards[move][CASTLING][2] != NoRights &&
18026 boards[move][CASTLING][0] != NoRights )
18027 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18028 if(boards[move][CASTLING][2] != NoRights &&
18029 boards[move][CASTLING][1] != NoRights )
18030 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18033 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18034 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18036 if(boards[move][CASTLING][5] != NoRights &&
18037 boards[move][CASTLING][3] != NoRights )
18038 *p++ = boards[move][CASTLING][3] + AAA;
18039 if(boards[move][CASTLING][5] != NoRights &&
18040 boards[move][CASTLING][4] != NoRights )
18041 *p++ = boards[move][CASTLING][4] + AAA;
18045 /* [HGM] write true castling rights */
18046 if( nrCastlingRights == 6 ) {
18048 if(boards[move][CASTLING][0] != NoRights &&
18049 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18050 q = (boards[move][CASTLING][1] != NoRights &&
18051 boards[move][CASTLING][2] != NoRights );
18052 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18053 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18054 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18055 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18059 if(boards[move][CASTLING][3] != NoRights &&
18060 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18061 q = (boards[move][CASTLING][4] != NoRights &&
18062 boards[move][CASTLING][5] != NoRights );
18064 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18065 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18066 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18071 if (q == p) *p++ = '-'; /* No castling rights */
18075 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18076 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18077 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18078 /* En passant target square */
18079 if (move > backwardMostMove) {
18080 fromX = moveList[move - 1][0] - AAA;
18081 fromY = moveList[move - 1][1] - ONE;
18082 toX = moveList[move - 1][2] - AAA;
18083 toY = moveList[move - 1][3] - ONE;
18084 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18085 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18086 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18088 /* 2-square pawn move just happened */
18090 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18094 } else if(move == backwardMostMove) {
18095 // [HGM] perhaps we should always do it like this, and forget the above?
18096 if((signed char)boards[move][EP_STATUS] >= 0) {
18097 *p++ = boards[move][EP_STATUS] + AAA;
18098 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18110 { int i = 0, j=move;
18112 /* [HGM] find reversible plies */
18113 if (appData.debugMode) { int k;
18114 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18115 for(k=backwardMostMove; k<=forwardMostMove; k++)
18116 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18120 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18121 if( j == backwardMostMove ) i += initialRulePlies;
18122 sprintf(p, "%d ", i);
18123 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18125 /* Fullmove number */
18126 sprintf(p, "%d", (move / 2) + 1);
18127 } else *--p = NULLCHAR;
18129 return StrSave(buf);
18133 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18135 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18137 int emptycount, virgin[BOARD_FILES];
18138 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18142 /* Piece placement data */
18143 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18146 if (*p == '/' || *p == ' ' || *p == '[' ) {
18148 emptycount = gameInfo.boardWidth - j;
18149 while (emptycount--)
18150 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18151 if (*p == '/') p++;
18152 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18153 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18154 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18156 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18159 #if(BOARD_FILES >= 10)*0
18160 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18161 p++; emptycount=10;
18162 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18163 while (emptycount--)
18164 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18166 } else if (*p == '*') {
18167 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18168 } else if (isdigit(*p)) {
18169 emptycount = *p++ - '0';
18170 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18171 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18172 while (emptycount--)
18173 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18174 } else if (*p == '<') {
18175 if(i == BOARD_HEIGHT-1) shuffle = 1;
18176 else if (i != 0 || !shuffle) return FALSE;
18178 } else if (shuffle && *p == '>') {
18179 p++; // for now ignore closing shuffle range, and assume rank-end
18180 } else if (*p == '?') {
18181 if (j >= gameInfo.boardWidth) return FALSE;
18182 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18183 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18184 } else if (*p == '+' || isalpha(*p)) {
18185 char *q, *s = SUFFIXES;
18186 if (j >= gameInfo.boardWidth) return FALSE;
18189 if(q = strchr(s, p[1])) p++;
18190 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18191 if(piece == EmptySquare) return FALSE; /* unknown piece */
18192 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
18193 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18196 if(q = strchr(s, *p)) p++;
18197 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18200 if(piece==EmptySquare) return FALSE; /* unknown piece */
18201 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18202 piece = (ChessSquare) (PROMOTED piece);
18203 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18206 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18207 if(piece == king) wKingRank = i;
18208 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18214 while (*p == '/' || *p == ' ') p++;
18216 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18218 /* [HGM] by default clear Crazyhouse holdings, if present */
18219 if(gameInfo.holdingsWidth) {
18220 for(i=0; i<BOARD_HEIGHT; i++) {
18221 board[i][0] = EmptySquare; /* black holdings */
18222 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18223 board[i][1] = (ChessSquare) 0; /* black counts */
18224 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18228 /* [HGM] look for Crazyhouse holdings here */
18229 while(*p==' ') p++;
18230 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18231 int swap=0, wcnt=0, bcnt=0;
18233 if(*p == '<') swap++, p++;
18234 if(*p == '-' ) p++; /* empty holdings */ else {
18235 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18236 /* if we would allow FEN reading to set board size, we would */
18237 /* have to add holdings and shift the board read so far here */
18238 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18240 if((int) piece >= (int) BlackPawn ) {
18241 i = (int)piece - (int)BlackPawn;
18242 i = PieceToNumber((ChessSquare)i);
18243 if( i >= gameInfo.holdingsSize ) return FALSE;
18244 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18245 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18248 i = (int)piece - (int)WhitePawn;
18249 i = PieceToNumber((ChessSquare)i);
18250 if( i >= gameInfo.holdingsSize ) return FALSE;
18251 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18252 board[i][BOARD_WIDTH-2]++; /* black holdings */
18256 if(subst) { // substitute back-rank question marks by holdings pieces
18257 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18258 int k, m, n = bcnt + 1;
18259 if(board[0][j] == ClearBoard) {
18260 if(!wcnt) return FALSE;
18262 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18263 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18264 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18268 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18269 if(!bcnt) return FALSE;
18270 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18271 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18272 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18273 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18284 if(subst) return FALSE; // substitution requested, but no holdings
18286 while(*p == ' ') p++;
18290 if(appData.colorNickNames) {
18291 if( c == appData.colorNickNames[0] ) c = 'w'; else
18292 if( c == appData.colorNickNames[1] ) c = 'b';
18296 *blackPlaysFirst = FALSE;
18299 *blackPlaysFirst = TRUE;
18305 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18306 /* return the extra info in global variiables */
18308 while(*p==' ') p++;
18310 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18311 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18312 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18315 /* set defaults in case FEN is incomplete */
18316 board[EP_STATUS] = EP_UNKNOWN;
18317 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18318 for(i=0; i<nrCastlingRights; i++ ) {
18319 board[CASTLING][i] =
18320 appData.fischerCastling ? NoRights : initialRights[i];
18321 } /* assume possible unless obviously impossible */
18322 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18323 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18324 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18325 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18326 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18327 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18328 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18329 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18332 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18335 while(isalpha(*p)) {
18336 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18337 if(islower(*p)) b |= 1 << (*p++ - 'a');
18341 board[TOUCHED_W] = ~w;
18342 board[TOUCHED_B] = ~b;
18343 while(*p == ' ') p++;
18347 if(nrCastlingRights) {
18349 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18350 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18351 /* castling indicator present, so default becomes no castlings */
18352 for(i=0; i<nrCastlingRights; i++ ) {
18353 board[CASTLING][i] = NoRights;
18356 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18357 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18358 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18359 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18360 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18362 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18363 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18364 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18366 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18367 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18368 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18369 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18370 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18371 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18374 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18375 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18376 board[CASTLING][2] = whiteKingFile;
18377 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18378 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18379 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18382 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18383 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18384 board[CASTLING][2] = whiteKingFile;
18385 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18386 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18387 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18390 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18391 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18392 board[CASTLING][5] = blackKingFile;
18393 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18394 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18395 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18398 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18399 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18400 board[CASTLING][5] = blackKingFile;
18401 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18402 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18403 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18406 default: /* FRC castlings */
18407 if(c >= 'a') { /* black rights */
18408 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18409 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18410 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18411 if(i == BOARD_RGHT) break;
18412 board[CASTLING][5] = i;
18414 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18415 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18417 board[CASTLING][3] = c;
18419 board[CASTLING][4] = c;
18420 } else { /* white rights */
18421 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18422 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18423 if(board[0][i] == WhiteKing) break;
18424 if(i == BOARD_RGHT) break;
18425 board[CASTLING][2] = i;
18426 c -= AAA - 'a' + 'A';
18427 if(board[0][c] >= WhiteKing) break;
18429 board[CASTLING][0] = c;
18431 board[CASTLING][1] = c;
18435 for(i=0; i<nrCastlingRights; i++)
18436 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18437 if(gameInfo.variant == VariantSChess)
18438 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18439 if(fischer && shuffle) appData.fischerCastling = TRUE;
18440 if (appData.debugMode) {
18441 fprintf(debugFP, "FEN castling rights:");
18442 for(i=0; i<nrCastlingRights; i++)
18443 fprintf(debugFP, " %d", board[CASTLING][i]);
18444 fprintf(debugFP, "\n");
18447 while(*p==' ') p++;
18450 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18452 /* read e.p. field in games that know e.p. capture */
18453 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18454 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18455 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18457 p++; board[EP_STATUS] = EP_NONE;
18459 char c = *p++ - AAA;
18461 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18462 if(*p >= '0' && *p <='9') p++;
18463 board[EP_STATUS] = c;
18468 if(sscanf(p, "%d", &i) == 1) {
18469 FENrulePlies = i; /* 50-move ply counter */
18470 /* (The move number is still ignored) */
18477 EditPositionPasteFEN (char *fen)
18480 Board initial_position;
18482 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18483 DisplayError(_("Bad FEN position in clipboard"), 0);
18486 int savedBlackPlaysFirst = blackPlaysFirst;
18487 EditPositionEvent();
18488 blackPlaysFirst = savedBlackPlaysFirst;
18489 CopyBoard(boards[0], initial_position);
18490 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18491 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18492 DisplayBothClocks();
18493 DrawPosition(FALSE, boards[currentMove]);
18498 static char cseq[12] = "\\ ";
18501 set_cont_sequence (char *new_seq)
18506 // handle bad attempts to set the sequence
18508 return 0; // acceptable error - no debug
18510 len = strlen(new_seq);
18511 ret = (len > 0) && (len < sizeof(cseq));
18513 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18514 else if (appData.debugMode)
18515 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18520 reformat a source message so words don't cross the width boundary. internal
18521 newlines are not removed. returns the wrapped size (no null character unless
18522 included in source message). If dest is NULL, only calculate the size required
18523 for the dest buffer. lp argument indicats line position upon entry, and it's
18524 passed back upon exit.
18527 wrap (char *dest, char *src, int count, int width, int *lp)
18529 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18531 cseq_len = strlen(cseq);
18532 old_line = line = *lp;
18533 ansi = len = clen = 0;
18535 for (i=0; i < count; i++)
18537 if (src[i] == '\033')
18540 // if we hit the width, back up
18541 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18543 // store i & len in case the word is too long
18544 old_i = i, old_len = len;
18546 // find the end of the last word
18547 while (i && src[i] != ' ' && src[i] != '\n')
18553 // word too long? restore i & len before splitting it
18554 if ((old_i-i+clen) >= width)
18561 if (i && src[i-1] == ' ')
18564 if (src[i] != ' ' && src[i] != '\n')
18571 // now append the newline and continuation sequence
18576 strncpy(dest+len, cseq, cseq_len);
18584 dest[len] = src[i];
18588 if (src[i] == '\n')
18593 if (dest && appData.debugMode)
18595 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18596 count, width, line, len, *lp);
18597 show_bytes(debugFP, src, count);
18598 fprintf(debugFP, "\ndest: ");
18599 show_bytes(debugFP, dest, len);
18600 fprintf(debugFP, "\n");
18602 *lp = dest ? line : old_line;
18607 // [HGM] vari: routines for shelving variations
18608 Boolean modeRestore = FALSE;
18611 PushInner (int firstMove, int lastMove)
18613 int i, j, nrMoves = lastMove - firstMove;
18615 // push current tail of game on stack
18616 savedResult[storedGames] = gameInfo.result;
18617 savedDetails[storedGames] = gameInfo.resultDetails;
18618 gameInfo.resultDetails = NULL;
18619 savedFirst[storedGames] = firstMove;
18620 savedLast [storedGames] = lastMove;
18621 savedFramePtr[storedGames] = framePtr;
18622 framePtr -= nrMoves; // reserve space for the boards
18623 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18624 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18625 for(j=0; j<MOVE_LEN; j++)
18626 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18627 for(j=0; j<2*MOVE_LEN; j++)
18628 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18629 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18630 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18631 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18632 pvInfoList[firstMove+i-1].depth = 0;
18633 commentList[framePtr+i] = commentList[firstMove+i];
18634 commentList[firstMove+i] = NULL;
18638 forwardMostMove = firstMove; // truncate game so we can start variation
18642 PushTail (int firstMove, int lastMove)
18644 if(appData.icsActive) { // only in local mode
18645 forwardMostMove = currentMove; // mimic old ICS behavior
18648 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18650 PushInner(firstMove, lastMove);
18651 if(storedGames == 1) GreyRevert(FALSE);
18652 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18656 PopInner (Boolean annotate)
18659 char buf[8000], moveBuf[20];
18661 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18662 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18663 nrMoves = savedLast[storedGames] - currentMove;
18666 if(!WhiteOnMove(currentMove))
18667 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18668 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18669 for(i=currentMove; i<forwardMostMove; i++) {
18671 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18672 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18673 strcat(buf, moveBuf);
18674 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18675 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18679 for(i=1; i<=nrMoves; i++) { // copy last variation back
18680 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18681 for(j=0; j<MOVE_LEN; j++)
18682 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18683 for(j=0; j<2*MOVE_LEN; j++)
18684 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18685 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18686 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18687 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18688 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18689 commentList[currentMove+i] = commentList[framePtr+i];
18690 commentList[framePtr+i] = NULL;
18692 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18693 framePtr = savedFramePtr[storedGames];
18694 gameInfo.result = savedResult[storedGames];
18695 if(gameInfo.resultDetails != NULL) {
18696 free(gameInfo.resultDetails);
18698 gameInfo.resultDetails = savedDetails[storedGames];
18699 forwardMostMove = currentMove + nrMoves;
18703 PopTail (Boolean annotate)
18705 if(appData.icsActive) return FALSE; // only in local mode
18706 if(!storedGames) return FALSE; // sanity
18707 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18709 PopInner(annotate);
18710 if(currentMove < forwardMostMove) ForwardEvent(); else
18711 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18713 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18719 { // remove all shelved variations
18721 for(i=0; i<storedGames; i++) {
18722 if(savedDetails[i])
18723 free(savedDetails[i]);
18724 savedDetails[i] = NULL;
18726 for(i=framePtr; i<MAX_MOVES; i++) {
18727 if(commentList[i]) free(commentList[i]);
18728 commentList[i] = NULL;
18730 framePtr = MAX_MOVES-1;
18735 LoadVariation (int index, char *text)
18736 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18737 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18738 int level = 0, move;
18740 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18741 // first find outermost bracketing variation
18742 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18743 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18744 if(*p == '{') wait = '}'; else
18745 if(*p == '[') wait = ']'; else
18746 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18747 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18749 if(*p == wait) wait = NULLCHAR; // closing ]} found
18752 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18753 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18754 end[1] = NULLCHAR; // clip off comment beyond variation
18755 ToNrEvent(currentMove-1);
18756 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18757 // kludge: use ParsePV() to append variation to game
18758 move = currentMove;
18759 ParsePV(start, TRUE, TRUE);
18760 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18761 ClearPremoveHighlights();
18763 ToNrEvent(currentMove+1);
18769 char *p, *q, buf[MSG_SIZ];
18770 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18771 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18772 ParseArgsFromString(buf);
18773 ActivateTheme(TRUE); // also redo colors
18777 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18780 q = appData.themeNames;
18781 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18782 if(appData.useBitmaps) {
18783 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18784 appData.liteBackTextureFile, appData.darkBackTextureFile,
18785 appData.liteBackTextureMode,
18786 appData.darkBackTextureMode );
18788 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18789 Col2Text(2), // lightSquareColor
18790 Col2Text(3) ); // darkSquareColor
18792 if(appData.useBorder) {
18793 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18796 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18798 if(appData.useFont) {
18799 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18800 appData.renderPiecesWithFont,
18801 appData.fontToPieceTable,
18802 Col2Text(9), // appData.fontBackColorWhite
18803 Col2Text(10) ); // appData.fontForeColorBlack
18805 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18806 appData.pieceDirectory);
18807 if(!appData.pieceDirectory[0])
18808 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18809 Col2Text(0), // whitePieceColor
18810 Col2Text(1) ); // blackPieceColor
18812 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18813 Col2Text(4), // highlightSquareColor
18814 Col2Text(5) ); // premoveHighlightColor
18815 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18816 if(insert != q) insert[-1] = NULLCHAR;
18817 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18820 ActivateTheme(FALSE);