2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ], avoidMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
446 char promoRestrict[MSG_SIZ];
448 ChessProgramState first, second, pairing;
450 /* premove variables */
453 int premoveFromX = 0;
454 int premoveFromY = 0;
455 int premovePromoChar = 0;
457 Boolean alarmSounded;
458 /* end premove variables */
460 char *ics_prefix = "$";
461 enum ICS_TYPE ics_type = ICS_GENERIC;
463 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
464 int pauseExamForwardMostMove = 0;
465 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
466 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
467 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
468 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
469 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
470 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
471 int whiteFlag = FALSE, blackFlag = FALSE;
472 int userOfferedDraw = FALSE;
473 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
474 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
475 int cmailMoveType[CMAIL_MAX_GAMES];
476 long ics_clock_paused = 0;
477 ProcRef icsPR = NoProc, cmailPR = NoProc;
478 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
479 GameMode gameMode = BeginningOfGame;
480 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
481 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
482 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
483 int hiddenThinkOutputState = 0; /* [AS] */
484 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
485 int adjudicateLossPlies = 6;
486 char white_holding[64], black_holding[64];
487 TimeMark lastNodeCountTime;
488 long lastNodeCount=0;
489 int shiftKey, controlKey; // [HGM] set by mouse handler
491 int have_sent_ICS_logon = 0;
493 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
494 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
495 Boolean adjustedClock;
496 long timeControl_2; /* [AS] Allow separate time controls */
497 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
498 long timeRemaining[2][MAX_MOVES];
499 int matchGame = 0, nextGame = 0, roundNr = 0;
500 Boolean waitingForGame = FALSE, startingEngine = FALSE;
501 TimeMark programStartTime, pauseStart;
502 char ics_handle[MSG_SIZ];
503 int have_set_title = 0;
505 /* animateTraining preserves the state of appData.animate
506 * when Training mode is activated. This allows the
507 * response to be animated when appData.animate == TRUE and
508 * appData.animateDragging == TRUE.
510 Boolean animateTraining;
516 Board boards[MAX_MOVES];
517 /* [HGM] Following 7 needed for accurate legality tests: */
518 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
519 unsigned char initialRights[BOARD_FILES];
520 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
521 int initialRulePlies, FENrulePlies;
522 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
524 Boolean shuffleOpenings;
525 int mute; // mute all sounds
527 // [HGM] vari: next 12 to save and restore variations
528 #define MAX_VARIATIONS 10
529 int framePtr = MAX_MOVES-1; // points to free stack entry
531 int savedFirst[MAX_VARIATIONS];
532 int savedLast[MAX_VARIATIONS];
533 int savedFramePtr[MAX_VARIATIONS];
534 char *savedDetails[MAX_VARIATIONS];
535 ChessMove savedResult[MAX_VARIATIONS];
537 void PushTail P((int firstMove, int lastMove));
538 Boolean PopTail P((Boolean annotate));
539 void PushInner P((int firstMove, int lastMove));
540 void PopInner P((Boolean annotate));
541 void CleanupTail P((void));
543 ChessSquare FIDEArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
547 BlackKing, BlackBishop, BlackKnight, BlackRook }
550 ChessSquare twoKingsArray[2][BOARD_FILES] = {
551 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
552 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
554 BlackKing, BlackKing, BlackKnight, BlackRook }
557 ChessSquare KnightmateArray[2][BOARD_FILES] = {
558 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
559 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
560 { BlackRook, BlackMan, BlackBishop, BlackQueen,
561 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
564 ChessSquare SpartanArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
566 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
567 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
568 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
571 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
575 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
578 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
580 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
582 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
586 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackMan, BlackFerz,
589 BlackKing, BlackMan, BlackKnight, BlackRook }
592 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
593 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
594 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackMan, BlackFerz,
596 BlackKing, BlackMan, BlackKnight, BlackRook }
599 ChessSquare lionArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
601 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackLion, BlackBishop, BlackQueen,
603 BlackKing, BlackBishop, BlackKnight, BlackRook }
607 #if (BOARD_FILES>=10)
608 ChessSquare ShogiArray[2][BOARD_FILES] = {
609 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
610 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
611 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
612 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
615 ChessSquare XiangqiArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
617 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
619 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
622 ChessSquare CapablancaArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
624 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
626 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
629 ChessSquare GreatArray[2][BOARD_FILES] = {
630 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
631 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
632 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
633 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
636 ChessSquare JanusArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
638 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
639 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
640 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
643 ChessSquare GrandArray[2][BOARD_FILES] = {
644 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
645 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
646 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
647 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
650 ChessSquare ChuChessArray[2][BOARD_FILES] = {
651 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
652 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
653 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
654 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
658 ChessSquare GothicArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
660 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
662 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
665 #define GothicArray CapablancaArray
669 ChessSquare FalconArray[2][BOARD_FILES] = {
670 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
671 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
672 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
673 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
676 #define FalconArray CapablancaArray
679 #else // !(BOARD_FILES>=10)
680 #define XiangqiPosition FIDEArray
681 #define CapablancaArray FIDEArray
682 #define GothicArray FIDEArray
683 #define GreatArray FIDEArray
684 #endif // !(BOARD_FILES>=10)
686 #if (BOARD_FILES>=12)
687 ChessSquare CourierArray[2][BOARD_FILES] = {
688 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
689 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
690 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
691 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
693 ChessSquare ChuArray[6][BOARD_FILES] = {
694 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
696 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
698 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
699 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
700 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
701 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
702 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
704 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
707 #else // !(BOARD_FILES>=12)
708 #define CourierArray CapablancaArray
709 #define ChuArray CapablancaArray
710 #endif // !(BOARD_FILES>=12)
713 Board initialPosition;
716 /* Convert str to a rating. Checks for special cases of "----",
718 "++++", etc. Also strips ()'s */
720 string_to_rating (char *str)
722 while(*str && !isdigit(*str)) ++str;
724 return 0; /* One of the special "no rating" cases */
732 /* Init programStats */
733 programStats.movelist[0] = 0;
734 programStats.depth = 0;
735 programStats.nr_moves = 0;
736 programStats.moves_left = 0;
737 programStats.nodes = 0;
738 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
739 programStats.score = 0;
740 programStats.got_only_move = 0;
741 programStats.got_fail = 0;
742 programStats.line_is_book = 0;
747 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
748 if (appData.firstPlaysBlack) {
749 first.twoMachinesColor = "black\n";
750 second.twoMachinesColor = "white\n";
752 first.twoMachinesColor = "white\n";
753 second.twoMachinesColor = "black\n";
756 first.other = &second;
757 second.other = &first;
760 if(appData.timeOddsMode) {
761 norm = appData.timeOdds[0];
762 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
764 first.timeOdds = appData.timeOdds[0]/norm;
765 second.timeOdds = appData.timeOdds[1]/norm;
768 if(programVersion) free(programVersion);
769 if (appData.noChessProgram) {
770 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
771 sprintf(programVersion, "%s", PACKAGE_STRING);
773 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
774 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
775 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
780 UnloadEngine (ChessProgramState *cps)
782 /* Kill off first chess program */
783 if (cps->isr != NULL)
784 RemoveInputSource(cps->isr);
787 if (cps->pr != NoProc) {
789 DoSleep( appData.delayBeforeQuit );
790 SendToProgram("quit\n", cps);
791 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
794 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
798 ClearOptions (ChessProgramState *cps)
801 cps->nrOptions = cps->comboCnt = 0;
802 for(i=0; i<MAX_OPTIONS; i++) {
803 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
804 cps->option[i].textValue = 0;
808 char *engineNames[] = {
809 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
812 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
813 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
818 InitEngine (ChessProgramState *cps, int n)
819 { // [HGM] all engine initialiation put in a function that does one engine
823 cps->which = engineNames[n];
824 cps->maybeThinking = FALSE;
828 cps->sendDrawOffers = 1;
830 cps->program = appData.chessProgram[n];
831 cps->host = appData.host[n];
832 cps->dir = appData.directory[n];
833 cps->initString = appData.engInitString[n];
834 cps->computerString = appData.computerString[n];
835 cps->useSigint = TRUE;
836 cps->useSigterm = TRUE;
837 cps->reuse = appData.reuse[n];
838 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
839 cps->useSetboard = FALSE;
841 cps->usePing = FALSE;
844 cps->usePlayother = FALSE;
845 cps->useColors = TRUE;
846 cps->useUsermove = FALSE;
847 cps->sendICS = FALSE;
848 cps->sendName = appData.icsActive;
849 cps->sdKludge = FALSE;
850 cps->stKludge = FALSE;
851 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
852 TidyProgramName(cps->program, cps->host, cps->tidy);
854 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
855 cps->analysisSupport = 2; /* detect */
856 cps->analyzing = FALSE;
857 cps->initDone = FALSE;
859 cps->pseudo = appData.pseudo[n];
861 /* New features added by Tord: */
862 cps->useFEN960 = FALSE;
863 cps->useOOCastle = TRUE;
864 /* End of new features added by Tord. */
865 cps->fenOverride = appData.fenOverride[n];
867 /* [HGM] time odds: set factor for each machine */
868 cps->timeOdds = appData.timeOdds[n];
870 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
871 cps->accumulateTC = appData.accumulateTC[n];
872 cps->maxNrOfSessions = 1;
877 cps->drawDepth = appData.drawDepth[n];
878 cps->supportsNPS = UNKNOWN;
879 cps->memSize = FALSE;
880 cps->maxCores = FALSE;
881 ASSIGN(cps->egtFormats, "");
884 cps->optionSettings = appData.engOptions[n];
886 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
887 cps->isUCI = appData.isUCI[n]; /* [AS] */
888 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
891 if (appData.protocolVersion[n] > PROTOVER
892 || appData.protocolVersion[n] < 1)
897 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
898 appData.protocolVersion[n]);
899 if( (len >= MSG_SIZ) && appData.debugMode )
900 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
902 DisplayFatalError(buf, 0, 2);
906 cps->protocolVersion = appData.protocolVersion[n];
909 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
910 ParseFeatures(appData.featureDefaults, cps);
913 ChessProgramState *savCps;
921 if(WaitForEngine(savCps, LoadEngine)) return;
922 CommonEngineInit(); // recalculate time odds
923 if(gameInfo.variant != StringToVariant(appData.variant)) {
924 // we changed variant when loading the engine; this forces us to reset
925 Reset(TRUE, savCps != &first);
926 oldMode = BeginningOfGame; // to prevent restoring old mode
928 InitChessProgram(savCps, FALSE);
929 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
930 DisplayMessage("", "");
931 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
932 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
935 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
939 ReplaceEngine (ChessProgramState *cps, int n)
941 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
943 if(oldMode != BeginningOfGame) EditGameEvent();
946 appData.noChessProgram = FALSE;
947 appData.clockMode = TRUE;
950 if(n) return; // only startup first engine immediately; second can wait
951 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
955 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
956 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
958 static char resetOptions[] =
959 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
960 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
961 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
962 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
965 FloatToFront(char **list, char *engineLine)
967 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
969 if(appData.recentEngines <= 0) return;
970 TidyProgramName(engineLine, "localhost", tidy+1);
971 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
972 strncpy(buf+1, *list, MSG_SIZ-50);
973 if(p = strstr(buf, tidy)) { // tidy name appears in list
974 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
975 while(*p++ = *++q); // squeeze out
977 strcat(tidy, buf+1); // put list behind tidy name
978 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
979 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
980 ASSIGN(*list, tidy+1);
983 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
986 Load (ChessProgramState *cps, int i)
988 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
989 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
990 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
991 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
992 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
993 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
994 appData.firstProtocolVersion = PROTOVER;
995 ParseArgsFromString(buf);
997 ReplaceEngine(cps, i);
998 FloatToFront(&appData.recentEngineList, engineLine);
999 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1003 while(q = strchr(p, SLASH)) p = q+1;
1004 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1005 if(engineDir[0] != NULLCHAR) {
1006 ASSIGN(appData.directory[i], engineDir); p = engineName;
1007 } else if(p != engineName) { // derive directory from engine path, when not given
1009 ASSIGN(appData.directory[i], engineName);
1011 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1012 } else { ASSIGN(appData.directory[i], "."); }
1013 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1015 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1016 snprintf(command, MSG_SIZ, "%s %s", p, params);
1019 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1020 ASSIGN(appData.chessProgram[i], p);
1021 appData.isUCI[i] = isUCI;
1022 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1023 appData.hasOwnBookUCI[i] = hasBook;
1024 if(!nickName[0]) useNick = FALSE;
1025 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1029 q = firstChessProgramNames;
1030 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1031 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1032 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1033 quote, p, quote, appData.directory[i],
1034 useNick ? " -fn \"" : "",
1035 useNick ? nickName : "",
1036 useNick ? "\"" : "",
1037 v1 ? " -firstProtocolVersion 1" : "",
1038 hasBook ? "" : " -fNoOwnBookUCI",
1039 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1040 storeVariant ? " -variant " : "",
1041 storeVariant ? VariantName(gameInfo.variant) : "");
1042 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1043 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1044 if(insert != q) insert[-1] = NULLCHAR;
1045 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1047 FloatToFront(&appData.recentEngineList, buf);
1049 ReplaceEngine(cps, i);
1055 int matched, min, sec;
1057 * Parse timeControl resource
1059 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1060 appData.movesPerSession)) {
1062 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1063 DisplayFatalError(buf, 0, 2);
1067 * Parse searchTime resource
1069 if (*appData.searchTime != NULLCHAR) {
1070 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1072 searchTime = min * 60;
1073 } else if (matched == 2) {
1074 searchTime = min * 60 + sec;
1077 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1078 DisplayFatalError(buf, 0, 2);
1087 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1088 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1090 GetTimeMark(&programStartTime);
1091 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1092 appData.seedBase = random() + (random()<<15);
1093 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1095 ClearProgramStats();
1096 programStats.ok_to_send = 1;
1097 programStats.seen_stat = 0;
1100 * Initialize game list
1106 * Internet chess server status
1108 if (appData.icsActive) {
1109 appData.matchMode = FALSE;
1110 appData.matchGames = 0;
1112 appData.noChessProgram = !appData.zippyPlay;
1114 appData.zippyPlay = FALSE;
1115 appData.zippyTalk = FALSE;
1116 appData.noChessProgram = TRUE;
1118 if (*appData.icsHelper != NULLCHAR) {
1119 appData.useTelnet = TRUE;
1120 appData.telnetProgram = appData.icsHelper;
1123 appData.zippyTalk = appData.zippyPlay = FALSE;
1126 /* [AS] Initialize pv info list [HGM] and game state */
1130 for( i=0; i<=framePtr; i++ ) {
1131 pvInfoList[i].depth = -1;
1132 boards[i][EP_STATUS] = EP_NONE;
1133 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1139 /* [AS] Adjudication threshold */
1140 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1142 InitEngine(&first, 0);
1143 InitEngine(&second, 1);
1146 pairing.which = "pairing"; // pairing engine
1147 pairing.pr = NoProc;
1149 pairing.program = appData.pairingEngine;
1150 pairing.host = "localhost";
1153 if (appData.icsActive) {
1154 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1155 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1156 appData.clockMode = FALSE;
1157 first.sendTime = second.sendTime = 0;
1161 /* Override some settings from environment variables, for backward
1162 compatibility. Unfortunately it's not feasible to have the env
1163 vars just set defaults, at least in xboard. Ugh.
1165 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1170 if (!appData.icsActive) {
1174 /* Check for variants that are supported only in ICS mode,
1175 or not at all. Some that are accepted here nevertheless
1176 have bugs; see comments below.
1178 VariantClass variant = StringToVariant(appData.variant);
1180 case VariantBughouse: /* need four players and two boards */
1181 case VariantKriegspiel: /* need to hide pieces and move details */
1182 /* case VariantFischeRandom: (Fabien: moved below) */
1183 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1184 if( (len >= MSG_SIZ) && appData.debugMode )
1185 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1187 DisplayFatalError(buf, 0, 2);
1190 case VariantUnknown:
1191 case VariantLoadable:
1201 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1202 if( (len >= MSG_SIZ) && appData.debugMode )
1203 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1205 DisplayFatalError(buf, 0, 2);
1208 case VariantNormal: /* definitely works! */
1209 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1210 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1213 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1214 case VariantFairy: /* [HGM] TestLegality definitely off! */
1215 case VariantGothic: /* [HGM] should work */
1216 case VariantCapablanca: /* [HGM] should work */
1217 case VariantCourier: /* [HGM] initial forced moves not implemented */
1218 case VariantShogi: /* [HGM] could still mate with pawn drop */
1219 case VariantChu: /* [HGM] experimental */
1220 case VariantKnightmate: /* [HGM] should work */
1221 case VariantCylinder: /* [HGM] untested */
1222 case VariantFalcon: /* [HGM] untested */
1223 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1224 offboard interposition not understood */
1225 case VariantWildCastle: /* pieces not automatically shuffled */
1226 case VariantNoCastle: /* pieces not automatically shuffled */
1227 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1228 case VariantLosers: /* should work except for win condition,
1229 and doesn't know captures are mandatory */
1230 case VariantSuicide: /* should work except for win condition,
1231 and doesn't know captures are mandatory */
1232 case VariantGiveaway: /* should work except for win condition,
1233 and doesn't know captures are mandatory */
1234 case VariantTwoKings: /* should work */
1235 case VariantAtomic: /* should work except for win condition */
1236 case Variant3Check: /* should work except for win condition */
1237 case VariantShatranj: /* should work except for all win conditions */
1238 case VariantMakruk: /* should work except for draw countdown */
1239 case VariantASEAN : /* should work except for draw countdown */
1240 case VariantBerolina: /* might work if TestLegality is off */
1241 case VariantCapaRandom: /* should work */
1242 case VariantJanus: /* should work */
1243 case VariantSuper: /* experimental */
1244 case VariantGreat: /* experimental, requires legality testing to be off */
1245 case VariantSChess: /* S-Chess, should work */
1246 case VariantGrand: /* should work */
1247 case VariantSpartan: /* should work */
1248 case VariantLion: /* should work */
1249 case VariantChuChess: /* should work */
1257 NextIntegerFromString (char ** str, long * value)
1262 while( *s == ' ' || *s == '\t' ) {
1268 if( *s >= '0' && *s <= '9' ) {
1269 while( *s >= '0' && *s <= '9' ) {
1270 *value = *value * 10 + (*s - '0');
1283 NextTimeControlFromString (char ** str, long * value)
1286 int result = NextIntegerFromString( str, &temp );
1289 *value = temp * 60; /* Minutes */
1290 if( **str == ':' ) {
1292 result = NextIntegerFromString( str, &temp );
1293 *value += temp; /* Seconds */
1301 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1302 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1303 int result = -1, type = 0; long temp, temp2;
1305 if(**str != ':') return -1; // old params remain in force!
1307 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1308 if( NextIntegerFromString( str, &temp ) ) return -1;
1309 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1312 /* time only: incremental or sudden-death time control */
1313 if(**str == '+') { /* increment follows; read it */
1315 if(**str == '!') type = *(*str)++; // Bronstein TC
1316 if(result = NextIntegerFromString( str, &temp2)) return -1;
1317 *inc = temp2 * 1000;
1318 if(**str == '.') { // read fraction of increment
1319 char *start = ++(*str);
1320 if(result = NextIntegerFromString( str, &temp2)) return -1;
1322 while(start++ < *str) temp2 /= 10;
1326 *moves = 0; *tc = temp * 1000; *incType = type;
1330 (*str)++; /* classical time control */
1331 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1343 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1344 { /* [HGM] get time to add from the multi-session time-control string */
1345 int incType, moves=1; /* kludge to force reading of first session */
1346 long time, increment;
1349 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1351 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1352 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1353 if(movenr == -1) return time; /* last move before new session */
1354 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1355 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1356 if(!moves) return increment; /* current session is incremental */
1357 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1358 } while(movenr >= -1); /* try again for next session */
1360 return 0; // no new time quota on this move
1364 ParseTimeControl (char *tc, float ti, int mps)
1368 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1371 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1372 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1373 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1377 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1379 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1382 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1384 snprintf(buf, MSG_SIZ, ":%s", mytc);
1386 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1388 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1393 /* Parse second time control */
1396 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1404 timeControl_2 = tc2 * 1000;
1414 timeControl = tc1 * 1000;
1417 timeIncrement = ti * 1000; /* convert to ms */
1418 movesPerSession = 0;
1421 movesPerSession = mps;
1429 if (appData.debugMode) {
1430 # ifdef __GIT_VERSION
1431 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1433 fprintf(debugFP, "Version: %s\n", programVersion);
1436 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1438 set_cont_sequence(appData.wrapContSeq);
1439 if (appData.matchGames > 0) {
1440 appData.matchMode = TRUE;
1441 } else if (appData.matchMode) {
1442 appData.matchGames = 1;
1444 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1445 appData.matchGames = appData.sameColorGames;
1446 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1447 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1448 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1451 if (appData.noChessProgram || first.protocolVersion == 1) {
1454 /* kludge: allow timeout for initial "feature" commands */
1456 DisplayMessage("", _("Starting chess program"));
1457 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1462 CalculateIndex (int index, int gameNr)
1463 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1465 if(index > 0) return index; // fixed nmber
1466 if(index == 0) return 1;
1467 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1468 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1473 LoadGameOrPosition (int gameNr)
1474 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1475 if (*appData.loadGameFile != NULLCHAR) {
1476 if (!LoadGameFromFile(appData.loadGameFile,
1477 CalculateIndex(appData.loadGameIndex, gameNr),
1478 appData.loadGameFile, FALSE)) {
1479 DisplayFatalError(_("Bad game file"), 0, 1);
1482 } else if (*appData.loadPositionFile != NULLCHAR) {
1483 if (!LoadPositionFromFile(appData.loadPositionFile,
1484 CalculateIndex(appData.loadPositionIndex, gameNr),
1485 appData.loadPositionFile)) {
1486 DisplayFatalError(_("Bad position file"), 0, 1);
1494 ReserveGame (int gameNr, char resChar)
1496 FILE *tf = fopen(appData.tourneyFile, "r+");
1497 char *p, *q, c, buf[MSG_SIZ];
1498 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1499 safeStrCpy(buf, lastMsg, MSG_SIZ);
1500 DisplayMessage(_("Pick new game"), "");
1501 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1502 ParseArgsFromFile(tf);
1503 p = q = appData.results;
1504 if(appData.debugMode) {
1505 char *r = appData.participants;
1506 fprintf(debugFP, "results = '%s'\n", p);
1507 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1508 fprintf(debugFP, "\n");
1510 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1512 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1513 safeStrCpy(q, p, strlen(p) + 2);
1514 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1515 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1516 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1517 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1520 fseek(tf, -(strlen(p)+4), SEEK_END);
1522 if(c != '"') // depending on DOS or Unix line endings we can be one off
1523 fseek(tf, -(strlen(p)+2), SEEK_END);
1524 else fseek(tf, -(strlen(p)+3), SEEK_END);
1525 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1526 DisplayMessage(buf, "");
1527 free(p); appData.results = q;
1528 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1529 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1530 int round = appData.defaultMatchGames * appData.tourneyType;
1531 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1532 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1533 UnloadEngine(&first); // next game belongs to other pairing;
1534 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1536 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1540 MatchEvent (int mode)
1541 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1543 if(matchMode) { // already in match mode: switch it off
1545 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1548 // if(gameMode != BeginningOfGame) {
1549 // DisplayError(_("You can only start a match from the initial position."), 0);
1553 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1554 /* Set up machine vs. machine match */
1556 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1557 if(appData.tourneyFile[0]) {
1559 if(nextGame > appData.matchGames) {
1561 if(strchr(appData.results, '*') == NULL) {
1563 appData.tourneyCycles++;
1564 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1566 NextTourneyGame(-1, &dummy);
1568 if(nextGame <= appData.matchGames) {
1569 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1571 ScheduleDelayedEvent(NextMatchGame, 10000);
1576 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1577 DisplayError(buf, 0);
1578 appData.tourneyFile[0] = 0;
1582 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1583 DisplayFatalError(_("Can't have a match with no chess programs"),
1588 matchGame = roundNr = 1;
1589 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1593 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1596 InitBackEnd3 P((void))
1598 GameMode initialMode;
1602 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1603 !strcmp(appData.variant, "normal") && // no explicit variant request
1604 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1605 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1606 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1607 char c, *q = first.variants, *p = strchr(q, ',');
1608 if(p) *p = NULLCHAR;
1609 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1611 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1612 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1613 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1614 Reset(TRUE, FALSE); // and re-initialize
1619 InitChessProgram(&first, startedFromSetupPosition);
1621 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1622 free(programVersion);
1623 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1624 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1625 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1628 if (appData.icsActive) {
1630 /* [DM] Make a console window if needed [HGM] merged ifs */
1636 if (*appData.icsCommPort != NULLCHAR)
1637 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1638 appData.icsCommPort);
1640 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1641 appData.icsHost, appData.icsPort);
1643 if( (len >= MSG_SIZ) && appData.debugMode )
1644 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1646 DisplayFatalError(buf, err, 1);
1651 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1653 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1654 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1655 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1656 } else if (appData.noChessProgram) {
1662 if (*appData.cmailGameName != NULLCHAR) {
1664 OpenLoopback(&cmailPR);
1666 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1670 DisplayMessage("", "");
1671 if (StrCaseCmp(appData.initialMode, "") == 0) {
1672 initialMode = BeginningOfGame;
1673 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1674 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1675 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1676 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1679 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1680 initialMode = TwoMachinesPlay;
1681 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1682 initialMode = AnalyzeFile;
1683 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1684 initialMode = AnalyzeMode;
1685 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1686 initialMode = MachinePlaysWhite;
1687 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1688 initialMode = MachinePlaysBlack;
1689 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1690 initialMode = EditGame;
1691 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1692 initialMode = EditPosition;
1693 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1694 initialMode = Training;
1696 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1697 if( (len >= MSG_SIZ) && appData.debugMode )
1698 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1700 DisplayFatalError(buf, 0, 2);
1704 if (appData.matchMode) {
1705 if(appData.tourneyFile[0]) { // start tourney from command line
1707 if(f = fopen(appData.tourneyFile, "r")) {
1708 ParseArgsFromFile(f); // make sure tourney parmeters re known
1710 appData.clockMode = TRUE;
1712 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1715 } else if (*appData.cmailGameName != NULLCHAR) {
1716 /* Set up cmail mode */
1717 ReloadCmailMsgEvent(TRUE);
1719 /* Set up other modes */
1720 if (initialMode == AnalyzeFile) {
1721 if (*appData.loadGameFile == NULLCHAR) {
1722 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1726 if (*appData.loadGameFile != NULLCHAR) {
1727 (void) LoadGameFromFile(appData.loadGameFile,
1728 appData.loadGameIndex,
1729 appData.loadGameFile, TRUE);
1730 } else if (*appData.loadPositionFile != NULLCHAR) {
1731 (void) LoadPositionFromFile(appData.loadPositionFile,
1732 appData.loadPositionIndex,
1733 appData.loadPositionFile);
1734 /* [HGM] try to make self-starting even after FEN load */
1735 /* to allow automatic setup of fairy variants with wtm */
1736 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1737 gameMode = BeginningOfGame;
1738 setboardSpoiledMachineBlack = 1;
1740 /* [HGM] loadPos: make that every new game uses the setup */
1741 /* from file as long as we do not switch variant */
1742 if(!blackPlaysFirst) {
1743 startedFromPositionFile = TRUE;
1744 CopyBoard(filePosition, boards[0]);
1745 CopyBoard(initialPosition, boards[0]);
1747 } else if(*appData.fen != NULLCHAR) {
1748 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1749 startedFromPositionFile = TRUE;
1753 if (initialMode == AnalyzeMode) {
1754 if (appData.noChessProgram) {
1755 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1758 if (appData.icsActive) {
1759 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1763 } else if (initialMode == AnalyzeFile) {
1764 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1765 ShowThinkingEvent();
1767 AnalysisPeriodicEvent(1);
1768 } else if (initialMode == MachinePlaysWhite) {
1769 if (appData.noChessProgram) {
1770 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1774 if (appData.icsActive) {
1775 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1779 MachineWhiteEvent();
1780 } else if (initialMode == MachinePlaysBlack) {
1781 if (appData.noChessProgram) {
1782 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1786 if (appData.icsActive) {
1787 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1791 MachineBlackEvent();
1792 } else if (initialMode == TwoMachinesPlay) {
1793 if (appData.noChessProgram) {
1794 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1798 if (appData.icsActive) {
1799 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1804 } else if (initialMode == EditGame) {
1806 } else if (initialMode == EditPosition) {
1807 EditPositionEvent();
1808 } else if (initialMode == Training) {
1809 if (*appData.loadGameFile == NULLCHAR) {
1810 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1819 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1821 DisplayBook(current+1);
1823 MoveHistorySet( movelist, first, last, current, pvInfoList );
1825 EvalGraphSet( first, last, current, pvInfoList );
1827 MakeEngineOutputTitle();
1831 * Establish will establish a contact to a remote host.port.
1832 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1833 * used to talk to the host.
1834 * Returns 0 if okay, error code if not.
1841 if (*appData.icsCommPort != NULLCHAR) {
1842 /* Talk to the host through a serial comm port */
1843 return OpenCommPort(appData.icsCommPort, &icsPR);
1845 } else if (*appData.gateway != NULLCHAR) {
1846 if (*appData.remoteShell == NULLCHAR) {
1847 /* Use the rcmd protocol to run telnet program on a gateway host */
1848 snprintf(buf, sizeof(buf), "%s %s %s",
1849 appData.telnetProgram, appData.icsHost, appData.icsPort);
1850 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1853 /* Use the rsh program to run telnet program on a gateway host */
1854 if (*appData.remoteUser == NULLCHAR) {
1855 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1856 appData.gateway, appData.telnetProgram,
1857 appData.icsHost, appData.icsPort);
1859 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1860 appData.remoteShell, appData.gateway,
1861 appData.remoteUser, appData.telnetProgram,
1862 appData.icsHost, appData.icsPort);
1864 return StartChildProcess(buf, "", &icsPR);
1867 } else if (appData.useTelnet) {
1868 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1871 /* TCP socket interface differs somewhat between
1872 Unix and NT; handle details in the front end.
1874 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1879 EscapeExpand (char *p, char *q)
1880 { // [HGM] initstring: routine to shape up string arguments
1881 while(*p++ = *q++) if(p[-1] == '\\')
1883 case 'n': p[-1] = '\n'; break;
1884 case 'r': p[-1] = '\r'; break;
1885 case 't': p[-1] = '\t'; break;
1886 case '\\': p[-1] = '\\'; break;
1887 case 0: *p = 0; return;
1888 default: p[-1] = q[-1]; break;
1893 show_bytes (FILE *fp, char *buf, int count)
1896 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1897 fprintf(fp, "\\%03o", *buf & 0xff);
1906 /* Returns an errno value */
1908 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1910 char buf[8192], *p, *q, *buflim;
1911 int left, newcount, outcount;
1913 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1914 *appData.gateway != NULLCHAR) {
1915 if (appData.debugMode) {
1916 fprintf(debugFP, ">ICS: ");
1917 show_bytes(debugFP, message, count);
1918 fprintf(debugFP, "\n");
1920 return OutputToProcess(pr, message, count, outError);
1923 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1930 if (appData.debugMode) {
1931 fprintf(debugFP, ">ICS: ");
1932 show_bytes(debugFP, buf, newcount);
1933 fprintf(debugFP, "\n");
1935 outcount = OutputToProcess(pr, buf, newcount, outError);
1936 if (outcount < newcount) return -1; /* to be sure */
1943 } else if (((unsigned char) *p) == TN_IAC) {
1944 *q++ = (char) TN_IAC;
1951 if (appData.debugMode) {
1952 fprintf(debugFP, ">ICS: ");
1953 show_bytes(debugFP, buf, newcount);
1954 fprintf(debugFP, "\n");
1956 outcount = OutputToProcess(pr, buf, newcount, outError);
1957 if (outcount < newcount) return -1; /* to be sure */
1962 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1964 int outError, outCount;
1965 static int gotEof = 0;
1968 /* Pass data read from player on to ICS */
1971 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1972 if (outCount < count) {
1973 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1975 if(have_sent_ICS_logon == 2) {
1976 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1977 fprintf(ini, "%s", message);
1978 have_sent_ICS_logon = 3;
1980 have_sent_ICS_logon = 1;
1981 } else if(have_sent_ICS_logon == 3) {
1982 fprintf(ini, "%s", message);
1984 have_sent_ICS_logon = 1;
1986 } else if (count < 0) {
1987 RemoveInputSource(isr);
1988 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1989 } else if (gotEof++ > 0) {
1990 RemoveInputSource(isr);
1991 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1997 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1998 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1999 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2000 SendToICS("date\n");
2001 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2004 /* added routine for printf style output to ics */
2006 ics_printf (char *format, ...)
2008 char buffer[MSG_SIZ];
2011 va_start(args, format);
2012 vsnprintf(buffer, sizeof(buffer), format, args);
2013 buffer[sizeof(buffer)-1] = '\0';
2021 int count, outCount, outError;
2023 if (icsPR == NoProc) return;
2026 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2027 if (outCount < count) {
2028 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2032 /* This is used for sending logon scripts to the ICS. Sending
2033 without a delay causes problems when using timestamp on ICC
2034 (at least on my machine). */
2036 SendToICSDelayed (char *s, long msdelay)
2038 int count, outCount, outError;
2040 if (icsPR == NoProc) return;
2043 if (appData.debugMode) {
2044 fprintf(debugFP, ">ICS: ");
2045 show_bytes(debugFP, s, count);
2046 fprintf(debugFP, "\n");
2048 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2050 if (outCount < count) {
2051 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2056 /* Remove all highlighting escape sequences in s
2057 Also deletes any suffix starting with '('
2060 StripHighlightAndTitle (char *s)
2062 static char retbuf[MSG_SIZ];
2065 while (*s != NULLCHAR) {
2066 while (*s == '\033') {
2067 while (*s != NULLCHAR && !isalpha(*s)) s++;
2068 if (*s != NULLCHAR) s++;
2070 while (*s != NULLCHAR && *s != '\033') {
2071 if (*s == '(' || *s == '[') {
2082 /* Remove all highlighting escape sequences in s */
2084 StripHighlight (char *s)
2086 static char retbuf[MSG_SIZ];
2089 while (*s != NULLCHAR) {
2090 while (*s == '\033') {
2091 while (*s != NULLCHAR && !isalpha(*s)) s++;
2092 if (*s != NULLCHAR) s++;
2094 while (*s != NULLCHAR && *s != '\033') {
2102 char engineVariant[MSG_SIZ];
2103 char *variantNames[] = VARIANT_NAMES;
2105 VariantName (VariantClass v)
2107 if(v == VariantUnknown || *engineVariant) return engineVariant;
2108 return variantNames[v];
2112 /* Identify a variant from the strings the chess servers use or the
2113 PGN Variant tag names we use. */
2115 StringToVariant (char *e)
2119 VariantClass v = VariantNormal;
2120 int i, found = FALSE;
2121 char buf[MSG_SIZ], c;
2126 /* [HGM] skip over optional board-size prefixes */
2127 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2128 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2129 while( *e++ != '_');
2132 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2136 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2137 if (p = StrCaseStr(e, variantNames[i])) {
2138 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2139 v = (VariantClass) i;
2146 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2147 || StrCaseStr(e, "wild/fr")
2148 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2149 v = VariantFischeRandom;
2150 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2151 (i = 1, p = StrCaseStr(e, "w"))) {
2153 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2160 case 0: /* FICS only, actually */
2162 /* Castling legal even if K starts on d-file */
2163 v = VariantWildCastle;
2168 /* Castling illegal even if K & R happen to start in
2169 normal positions. */
2170 v = VariantNoCastle;
2183 /* Castling legal iff K & R start in normal positions */
2189 /* Special wilds for position setup; unclear what to do here */
2190 v = VariantLoadable;
2193 /* Bizarre ICC game */
2194 v = VariantTwoKings;
2197 v = VariantKriegspiel;
2203 v = VariantFischeRandom;
2206 v = VariantCrazyhouse;
2209 v = VariantBughouse;
2215 /* Not quite the same as FICS suicide! */
2216 v = VariantGiveaway;
2222 v = VariantShatranj;
2225 /* Temporary names for future ICC types. The name *will* change in
2226 the next xboard/WinBoard release after ICC defines it. */
2264 v = VariantCapablanca;
2267 v = VariantKnightmate;
2273 v = VariantCylinder;
2279 v = VariantCapaRandom;
2282 v = VariantBerolina;
2294 /* Found "wild" or "w" in the string but no number;
2295 must assume it's normal chess. */
2299 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2300 if( (len >= MSG_SIZ) && appData.debugMode )
2301 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2303 DisplayError(buf, 0);
2309 if (appData.debugMode) {
2310 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2311 e, wnum, VariantName(v));
2316 static int leftover_start = 0, leftover_len = 0;
2317 char star_match[STAR_MATCH_N][MSG_SIZ];
2319 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2320 advance *index beyond it, and set leftover_start to the new value of
2321 *index; else return FALSE. If pattern contains the character '*', it
2322 matches any sequence of characters not containing '\r', '\n', or the
2323 character following the '*' (if any), and the matched sequence(s) are
2324 copied into star_match.
2327 looking_at ( char *buf, int *index, char *pattern)
2329 char *bufp = &buf[*index], *patternp = pattern;
2331 char *matchp = star_match[0];
2334 if (*patternp == NULLCHAR) {
2335 *index = leftover_start = bufp - buf;
2339 if (*bufp == NULLCHAR) return FALSE;
2340 if (*patternp == '*') {
2341 if (*bufp == *(patternp + 1)) {
2343 matchp = star_match[++star_count];
2347 } else if (*bufp == '\n' || *bufp == '\r') {
2349 if (*patternp == NULLCHAR)
2354 *matchp++ = *bufp++;
2358 if (*patternp != *bufp) return FALSE;
2365 SendToPlayer (char *data, int length)
2367 int error, outCount;
2368 outCount = OutputToProcess(NoProc, data, length, &error);
2369 if (outCount < length) {
2370 DisplayFatalError(_("Error writing to display"), error, 1);
2375 PackHolding (char packed[], char *holding)
2385 switch (runlength) {
2396 sprintf(q, "%d", runlength);
2408 /* Telnet protocol requests from the front end */
2410 TelnetRequest (unsigned char ddww, unsigned char option)
2412 unsigned char msg[3];
2413 int outCount, outError;
2415 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2417 if (appData.debugMode) {
2418 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2434 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2443 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2446 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2451 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2453 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2460 if (!appData.icsActive) return;
2461 TelnetRequest(TN_DO, TN_ECHO);
2467 if (!appData.icsActive) return;
2468 TelnetRequest(TN_DONT, TN_ECHO);
2472 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2474 /* put the holdings sent to us by the server on the board holdings area */
2475 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2479 if(gameInfo.holdingsWidth < 2) return;
2480 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2481 return; // prevent overwriting by pre-board holdings
2483 if( (int)lowestPiece >= BlackPawn ) {
2486 holdingsStartRow = BOARD_HEIGHT-1;
2489 holdingsColumn = BOARD_WIDTH-1;
2490 countsColumn = BOARD_WIDTH-2;
2491 holdingsStartRow = 0;
2495 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2496 board[i][holdingsColumn] = EmptySquare;
2497 board[i][countsColumn] = (ChessSquare) 0;
2499 while( (p=*holdings++) != NULLCHAR ) {
2500 piece = CharToPiece( ToUpper(p) );
2501 if(piece == EmptySquare) continue;
2502 /*j = (int) piece - (int) WhitePawn;*/
2503 j = PieceToNumber(piece);
2504 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2505 if(j < 0) continue; /* should not happen */
2506 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2507 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2508 board[holdingsStartRow+j*direction][countsColumn]++;
2514 VariantSwitch (Board board, VariantClass newVariant)
2516 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2517 static Board oldBoard;
2519 startedFromPositionFile = FALSE;
2520 if(gameInfo.variant == newVariant) return;
2522 /* [HGM] This routine is called each time an assignment is made to
2523 * gameInfo.variant during a game, to make sure the board sizes
2524 * are set to match the new variant. If that means adding or deleting
2525 * holdings, we shift the playing board accordingly
2526 * This kludge is needed because in ICS observe mode, we get boards
2527 * of an ongoing game without knowing the variant, and learn about the
2528 * latter only later. This can be because of the move list we requested,
2529 * in which case the game history is refilled from the beginning anyway,
2530 * but also when receiving holdings of a crazyhouse game. In the latter
2531 * case we want to add those holdings to the already received position.
2535 if (appData.debugMode) {
2536 fprintf(debugFP, "Switch board from %s to %s\n",
2537 VariantName(gameInfo.variant), VariantName(newVariant));
2538 setbuf(debugFP, NULL);
2540 shuffleOpenings = 0; /* [HGM] shuffle */
2541 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2545 newWidth = 9; newHeight = 9;
2546 gameInfo.holdingsSize = 7;
2547 case VariantBughouse:
2548 case VariantCrazyhouse:
2549 newHoldingsWidth = 2; break;
2553 newHoldingsWidth = 2;
2554 gameInfo.holdingsSize = 8;
2557 case VariantCapablanca:
2558 case VariantCapaRandom:
2561 newHoldingsWidth = gameInfo.holdingsSize = 0;
2564 if(newWidth != gameInfo.boardWidth ||
2565 newHeight != gameInfo.boardHeight ||
2566 newHoldingsWidth != gameInfo.holdingsWidth ) {
2568 /* shift position to new playing area, if needed */
2569 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2570 for(i=0; i<BOARD_HEIGHT; i++)
2571 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2572 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2574 for(i=0; i<newHeight; i++) {
2575 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2576 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2578 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2579 for(i=0; i<BOARD_HEIGHT; i++)
2580 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2581 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2584 board[HOLDINGS_SET] = 0;
2585 gameInfo.boardWidth = newWidth;
2586 gameInfo.boardHeight = newHeight;
2587 gameInfo.holdingsWidth = newHoldingsWidth;
2588 gameInfo.variant = newVariant;
2589 InitDrawingSizes(-2, 0);
2590 } else gameInfo.variant = newVariant;
2591 CopyBoard(oldBoard, board); // remember correctly formatted board
2592 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2593 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2596 static int loggedOn = FALSE;
2598 /*-- Game start info cache: --*/
2600 char gs_kind[MSG_SIZ];
2601 static char player1Name[128] = "";
2602 static char player2Name[128] = "";
2603 static char cont_seq[] = "\n\\ ";
2604 static int player1Rating = -1;
2605 static int player2Rating = -1;
2606 /*----------------------------*/
2608 ColorClass curColor = ColorNormal;
2609 int suppressKibitz = 0;
2612 Boolean soughtPending = FALSE;
2613 Boolean seekGraphUp;
2614 #define MAX_SEEK_ADS 200
2616 char *seekAdList[MAX_SEEK_ADS];
2617 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2618 float tcList[MAX_SEEK_ADS];
2619 char colorList[MAX_SEEK_ADS];
2620 int nrOfSeekAds = 0;
2621 int minRating = 1010, maxRating = 2800;
2622 int hMargin = 10, vMargin = 20, h, w;
2623 extern int squareSize, lineGap;
2628 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2629 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2630 if(r < minRating+100 && r >=0 ) r = minRating+100;
2631 if(r > maxRating) r = maxRating;
2632 if(tc < 1.f) tc = 1.f;
2633 if(tc > 95.f) tc = 95.f;
2634 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2635 y = ((double)r - minRating)/(maxRating - minRating)
2636 * (h-vMargin-squareSize/8-1) + vMargin;
2637 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2638 if(strstr(seekAdList[i], " u ")) color = 1;
2639 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2640 !strstr(seekAdList[i], "bullet") &&
2641 !strstr(seekAdList[i], "blitz") &&
2642 !strstr(seekAdList[i], "standard") ) color = 2;
2643 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2644 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2648 PlotSingleSeekAd (int i)
2654 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2656 char buf[MSG_SIZ], *ext = "";
2657 VariantClass v = StringToVariant(type);
2658 if(strstr(type, "wild")) {
2659 ext = type + 4; // append wild number
2660 if(v == VariantFischeRandom) type = "chess960"; else
2661 if(v == VariantLoadable) type = "setup"; else
2662 type = VariantName(v);
2664 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2665 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2666 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2667 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2668 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2669 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2670 seekNrList[nrOfSeekAds] = nr;
2671 zList[nrOfSeekAds] = 0;
2672 seekAdList[nrOfSeekAds++] = StrSave(buf);
2673 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2678 EraseSeekDot (int i)
2680 int x = xList[i], y = yList[i], d=squareSize/4, k;
2681 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2682 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2683 // now replot every dot that overlapped
2684 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2685 int xx = xList[k], yy = yList[k];
2686 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2687 DrawSeekDot(xx, yy, colorList[k]);
2692 RemoveSeekAd (int nr)
2695 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2697 if(seekAdList[i]) free(seekAdList[i]);
2698 seekAdList[i] = seekAdList[--nrOfSeekAds];
2699 seekNrList[i] = seekNrList[nrOfSeekAds];
2700 ratingList[i] = ratingList[nrOfSeekAds];
2701 colorList[i] = colorList[nrOfSeekAds];
2702 tcList[i] = tcList[nrOfSeekAds];
2703 xList[i] = xList[nrOfSeekAds];
2704 yList[i] = yList[nrOfSeekAds];
2705 zList[i] = zList[nrOfSeekAds];
2706 seekAdList[nrOfSeekAds] = NULL;
2712 MatchSoughtLine (char *line)
2714 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2715 int nr, base, inc, u=0; char dummy;
2717 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2718 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2720 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2721 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2722 // match: compact and save the line
2723 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2733 if(!seekGraphUp) return FALSE;
2734 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2735 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2737 DrawSeekBackground(0, 0, w, h);
2738 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2739 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2740 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2741 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2743 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2746 snprintf(buf, MSG_SIZ, "%d", i);
2747 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2750 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2751 for(i=1; i<100; i+=(i<10?1:5)) {
2752 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2753 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2754 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2756 snprintf(buf, MSG_SIZ, "%d", i);
2757 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2760 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2765 SeekGraphClick (ClickType click, int x, int y, int moving)
2767 static int lastDown = 0, displayed = 0, lastSecond;
2768 if(y < 0) return FALSE;
2769 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2770 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2771 if(!seekGraphUp) return FALSE;
2772 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2773 DrawPosition(TRUE, NULL);
2776 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2777 if(click == Release || moving) return FALSE;
2779 soughtPending = TRUE;
2780 SendToICS(ics_prefix);
2781 SendToICS("sought\n"); // should this be "sought all"?
2782 } else { // issue challenge based on clicked ad
2783 int dist = 10000; int i, closest = 0, second = 0;
2784 for(i=0; i<nrOfSeekAds; i++) {
2785 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2786 if(d < dist) { dist = d; closest = i; }
2787 second += (d - zList[i] < 120); // count in-range ads
2788 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2792 second = (second > 1);
2793 if(displayed != closest || second != lastSecond) {
2794 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2795 lastSecond = second; displayed = closest;
2797 if(click == Press) {
2798 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2801 } // on press 'hit', only show info
2802 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2803 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2804 SendToICS(ics_prefix);
2806 return TRUE; // let incoming board of started game pop down the graph
2807 } else if(click == Release) { // release 'miss' is ignored
2808 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2809 if(moving == 2) { // right up-click
2810 nrOfSeekAds = 0; // refresh graph
2811 soughtPending = TRUE;
2812 SendToICS(ics_prefix);
2813 SendToICS("sought\n"); // should this be "sought all"?
2816 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2817 // press miss or release hit 'pop down' seek graph
2818 seekGraphUp = FALSE;
2819 DrawPosition(TRUE, NULL);
2825 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2827 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2828 #define STARTED_NONE 0
2829 #define STARTED_MOVES 1
2830 #define STARTED_BOARD 2
2831 #define STARTED_OBSERVE 3
2832 #define STARTED_HOLDINGS 4
2833 #define STARTED_CHATTER 5
2834 #define STARTED_COMMENT 6
2835 #define STARTED_MOVES_NOHIDE 7
2837 static int started = STARTED_NONE;
2838 static char parse[20000];
2839 static int parse_pos = 0;
2840 static char buf[BUF_SIZE + 1];
2841 static int firstTime = TRUE, intfSet = FALSE;
2842 static ColorClass prevColor = ColorNormal;
2843 static int savingComment = FALSE;
2844 static int cmatch = 0; // continuation sequence match
2851 int backup; /* [DM] For zippy color lines */
2853 char talker[MSG_SIZ]; // [HGM] chat
2854 int channel, collective=0;
2856 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2858 if (appData.debugMode) {
2860 fprintf(debugFP, "<ICS: ");
2861 show_bytes(debugFP, data, count);
2862 fprintf(debugFP, "\n");
2866 if (appData.debugMode) { int f = forwardMostMove;
2867 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2868 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2869 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2872 /* If last read ended with a partial line that we couldn't parse,
2873 prepend it to the new read and try again. */
2874 if (leftover_len > 0) {
2875 for (i=0; i<leftover_len; i++)
2876 buf[i] = buf[leftover_start + i];
2879 /* copy new characters into the buffer */
2880 bp = buf + leftover_len;
2881 buf_len=leftover_len;
2882 for (i=0; i<count; i++)
2885 if (data[i] == '\r')
2888 // join lines split by ICS?
2889 if (!appData.noJoin)
2892 Joining just consists of finding matches against the
2893 continuation sequence, and discarding that sequence
2894 if found instead of copying it. So, until a match
2895 fails, there's nothing to do since it might be the
2896 complete sequence, and thus, something we don't want
2899 if (data[i] == cont_seq[cmatch])
2902 if (cmatch == strlen(cont_seq))
2904 cmatch = 0; // complete match. just reset the counter
2907 it's possible for the ICS to not include the space
2908 at the end of the last word, making our [correct]
2909 join operation fuse two separate words. the server
2910 does this when the space occurs at the width setting.
2912 if (!buf_len || buf[buf_len-1] != ' ')
2923 match failed, so we have to copy what matched before
2924 falling through and copying this character. In reality,
2925 this will only ever be just the newline character, but
2926 it doesn't hurt to be precise.
2928 strncpy(bp, cont_seq, cmatch);
2940 buf[buf_len] = NULLCHAR;
2941 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2946 while (i < buf_len) {
2947 /* Deal with part of the TELNET option negotiation
2948 protocol. We refuse to do anything beyond the
2949 defaults, except that we allow the WILL ECHO option,
2950 which ICS uses to turn off password echoing when we are
2951 directly connected to it. We reject this option
2952 if localLineEditing mode is on (always on in xboard)
2953 and we are talking to port 23, which might be a real
2954 telnet server that will try to keep WILL ECHO on permanently.
2956 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2957 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2958 unsigned char option;
2960 switch ((unsigned char) buf[++i]) {
2962 if (appData.debugMode)
2963 fprintf(debugFP, "\n<WILL ");
2964 switch (option = (unsigned char) buf[++i]) {
2966 if (appData.debugMode)
2967 fprintf(debugFP, "ECHO ");
2968 /* Reply only if this is a change, according
2969 to the protocol rules. */
2970 if (remoteEchoOption) break;
2971 if (appData.localLineEditing &&
2972 atoi(appData.icsPort) == TN_PORT) {
2973 TelnetRequest(TN_DONT, TN_ECHO);
2976 TelnetRequest(TN_DO, TN_ECHO);
2977 remoteEchoOption = TRUE;
2981 if (appData.debugMode)
2982 fprintf(debugFP, "%d ", option);
2983 /* Whatever this is, we don't want it. */
2984 TelnetRequest(TN_DONT, option);
2989 if (appData.debugMode)
2990 fprintf(debugFP, "\n<WONT ");
2991 switch (option = (unsigned char) buf[++i]) {
2993 if (appData.debugMode)
2994 fprintf(debugFP, "ECHO ");
2995 /* Reply only if this is a change, according
2996 to the protocol rules. */
2997 if (!remoteEchoOption) break;
2999 TelnetRequest(TN_DONT, TN_ECHO);
3000 remoteEchoOption = FALSE;
3003 if (appData.debugMode)
3004 fprintf(debugFP, "%d ", (unsigned char) option);
3005 /* Whatever this is, it must already be turned
3006 off, because we never agree to turn on
3007 anything non-default, so according to the
3008 protocol rules, we don't reply. */
3013 if (appData.debugMode)
3014 fprintf(debugFP, "\n<DO ");
3015 switch (option = (unsigned char) buf[++i]) {
3017 /* Whatever this is, we refuse to do it. */
3018 if (appData.debugMode)
3019 fprintf(debugFP, "%d ", option);
3020 TelnetRequest(TN_WONT, option);
3025 if (appData.debugMode)
3026 fprintf(debugFP, "\n<DONT ");
3027 switch (option = (unsigned char) buf[++i]) {
3029 if (appData.debugMode)
3030 fprintf(debugFP, "%d ", option);
3031 /* Whatever this is, we are already not doing
3032 it, because we never agree to do anything
3033 non-default, so according to the protocol
3034 rules, we don't reply. */
3039 if (appData.debugMode)
3040 fprintf(debugFP, "\n<IAC ");
3041 /* Doubled IAC; pass it through */
3045 if (appData.debugMode)
3046 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3047 /* Drop all other telnet commands on the floor */
3050 if (oldi > next_out)
3051 SendToPlayer(&buf[next_out], oldi - next_out);
3057 /* OK, this at least will *usually* work */
3058 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3062 if (loggedOn && !intfSet) {
3063 if (ics_type == ICS_ICC) {
3064 snprintf(str, MSG_SIZ,
3065 "/set-quietly interface %s\n/set-quietly style 12\n",
3067 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3068 strcat(str, "/set-2 51 1\n/set seek 1\n");
3069 } else if (ics_type == ICS_CHESSNET) {
3070 snprintf(str, MSG_SIZ, "/style 12\n");
3072 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3073 strcat(str, programVersion);
3074 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3075 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3076 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3078 strcat(str, "$iset nohighlight 1\n");
3080 strcat(str, "$iset lock 1\n$style 12\n");
3083 NotifyFrontendLogin();
3087 if (started == STARTED_COMMENT) {
3088 /* Accumulate characters in comment */
3089 parse[parse_pos++] = buf[i];
3090 if (buf[i] == '\n') {
3091 parse[parse_pos] = NULLCHAR;
3092 if(chattingPartner>=0) {
3094 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3095 OutputChatMessage(chattingPartner, mess);
3096 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3098 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3099 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3100 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3101 OutputChatMessage(p, mess);
3105 chattingPartner = -1;
3106 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3109 if(!suppressKibitz) // [HGM] kibitz
3110 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3111 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3112 int nrDigit = 0, nrAlph = 0, j;
3113 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3114 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3115 parse[parse_pos] = NULLCHAR;
3116 // try to be smart: if it does not look like search info, it should go to
3117 // ICS interaction window after all, not to engine-output window.
3118 for(j=0; j<parse_pos; j++) { // count letters and digits
3119 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3120 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3121 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3123 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3124 int depth=0; float score;
3125 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3126 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3127 pvInfoList[forwardMostMove-1].depth = depth;
3128 pvInfoList[forwardMostMove-1].score = 100*score;
3130 OutputKibitz(suppressKibitz, parse);
3133 if(gameMode == IcsObserving) // restore original ICS messages
3134 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3135 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3137 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3138 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3139 SendToPlayer(tmp, strlen(tmp));
3141 next_out = i+1; // [HGM] suppress printing in ICS window
3143 started = STARTED_NONE;
3145 /* Don't match patterns against characters in comment */
3150 if (started == STARTED_CHATTER) {
3151 if (buf[i] != '\n') {
3152 /* Don't match patterns against characters in chatter */
3156 started = STARTED_NONE;
3157 if(suppressKibitz) next_out = i+1;
3160 /* Kludge to deal with rcmd protocol */
3161 if (firstTime && looking_at(buf, &i, "\001*")) {
3162 DisplayFatalError(&buf[1], 0, 1);
3168 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3171 if (appData.debugMode)
3172 fprintf(debugFP, "ics_type %d\n", ics_type);
3175 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3176 ics_type = ICS_FICS;
3178 if (appData.debugMode)
3179 fprintf(debugFP, "ics_type %d\n", ics_type);
3182 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3183 ics_type = ICS_CHESSNET;
3185 if (appData.debugMode)
3186 fprintf(debugFP, "ics_type %d\n", ics_type);
3191 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3192 looking_at(buf, &i, "Logging you in as \"*\"") ||
3193 looking_at(buf, &i, "will be \"*\""))) {
3194 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3198 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3200 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3201 DisplayIcsInteractionTitle(buf);
3202 have_set_title = TRUE;
3205 /* skip finger notes */
3206 if (started == STARTED_NONE &&
3207 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3208 (buf[i] == '1' && buf[i+1] == '0')) &&
3209 buf[i+2] == ':' && buf[i+3] == ' ') {
3210 started = STARTED_CHATTER;
3216 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3217 if(appData.seekGraph) {
3218 if(soughtPending && MatchSoughtLine(buf+i)) {
3219 i = strstr(buf+i, "rated") - buf;
3220 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3221 next_out = leftover_start = i;
3222 started = STARTED_CHATTER;
3223 suppressKibitz = TRUE;
3226 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3227 && looking_at(buf, &i, "* ads displayed")) {
3228 soughtPending = FALSE;
3233 if(appData.autoRefresh) {
3234 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3235 int s = (ics_type == ICS_ICC); // ICC format differs
3237 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3238 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3239 looking_at(buf, &i, "*% "); // eat prompt
3240 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3241 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3242 next_out = i; // suppress
3245 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3246 char *p = star_match[0];
3248 if(seekGraphUp) RemoveSeekAd(atoi(p));
3249 while(*p && *p++ != ' '); // next
3251 looking_at(buf, &i, "*% "); // eat prompt
3252 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3259 /* skip formula vars */
3260 if (started == STARTED_NONE &&
3261 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3262 started = STARTED_CHATTER;
3267 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3268 if (appData.autoKibitz && started == STARTED_NONE &&
3269 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3270 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3271 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3272 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3273 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3274 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3275 suppressKibitz = TRUE;
3276 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3278 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3279 && (gameMode == IcsPlayingWhite)) ||
3280 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3281 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3282 started = STARTED_CHATTER; // own kibitz we simply discard
3284 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3285 parse_pos = 0; parse[0] = NULLCHAR;
3286 savingComment = TRUE;
3287 suppressKibitz = gameMode != IcsObserving ? 2 :
3288 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3292 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3293 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3294 && atoi(star_match[0])) {
3295 // suppress the acknowledgements of our own autoKibitz
3297 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3298 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3299 SendToPlayer(star_match[0], strlen(star_match[0]));
3300 if(looking_at(buf, &i, "*% ")) // eat prompt
3301 suppressKibitz = FALSE;
3305 } // [HGM] kibitz: end of patch
3307 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3309 // [HGM] chat: intercept tells by users for which we have an open chat window
3311 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3312 looking_at(buf, &i, "* whispers:") ||
3313 looking_at(buf, &i, "* kibitzes:") ||
3314 looking_at(buf, &i, "* shouts:") ||
3315 looking_at(buf, &i, "* c-shouts:") ||
3316 looking_at(buf, &i, "--> * ") ||
3317 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3318 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3319 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3322 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3323 chattingPartner = -1; collective = 0;
3325 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3326 for(p=0; p<MAX_CHAT; p++) {
3328 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3329 talker[0] = '['; strcat(talker, "] ");
3330 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3331 chattingPartner = p; break;
3334 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3335 for(p=0; p<MAX_CHAT; p++) {
3337 if(!strcmp("kibitzes", chatPartner[p])) {
3338 talker[0] = '['; strcat(talker, "] ");
3339 chattingPartner = p; break;
3342 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3343 for(p=0; p<MAX_CHAT; p++) {
3345 if(!strcmp("whispers", chatPartner[p])) {
3346 talker[0] = '['; strcat(talker, "] ");
3347 chattingPartner = p; break;
3350 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3351 if(buf[i-8] == '-' && buf[i-3] == 't')
3352 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3354 if(!strcmp("c-shouts", chatPartner[p])) {
3355 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3356 chattingPartner = p; break;
3359 if(chattingPartner < 0)
3360 for(p=0; p<MAX_CHAT; p++) {
3362 if(!strcmp("shouts", chatPartner[p])) {
3363 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3364 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3365 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3366 chattingPartner = p; break;
3370 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3371 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3373 Colorize(ColorTell, FALSE);
3374 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3376 chattingPartner = p; break;
3378 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3379 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3380 started = STARTED_COMMENT;
3381 parse_pos = 0; parse[0] = NULLCHAR;
3382 savingComment = 3 + chattingPartner; // counts as TRUE
3383 if(collective == 3) i = oldi; else {
3384 suppressKibitz = TRUE;
3385 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3386 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3390 } // [HGM] chat: end of patch
3393 if (appData.zippyTalk || appData.zippyPlay) {
3394 /* [DM] Backup address for color zippy lines */
3396 if (loggedOn == TRUE)
3397 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3398 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3401 } // [DM] 'else { ' deleted
3403 /* Regular tells and says */
3404 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3405 looking_at(buf, &i, "* (your partner) tells you: ") ||
3406 looking_at(buf, &i, "* says: ") ||
3407 /* Don't color "message" or "messages" output */
3408 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3409 looking_at(buf, &i, "*. * at *:*: ") ||
3410 looking_at(buf, &i, "--* (*:*): ") ||
3411 /* Message notifications (same color as tells) */
3412 looking_at(buf, &i, "* has left a message ") ||
3413 looking_at(buf, &i, "* just sent you a message:\n") ||
3414 /* Whispers and kibitzes */
3415 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3416 looking_at(buf, &i, "* kibitzes: ") ||
3418 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3420 if (tkind == 1 && strchr(star_match[0], ':')) {
3421 /* Avoid "tells you:" spoofs in channels */
3424 if (star_match[0][0] == NULLCHAR ||
3425 strchr(star_match[0], ' ') ||
3426 (tkind == 3 && strchr(star_match[1], ' '))) {
3427 /* Reject bogus matches */
3430 if (appData.colorize) {
3431 if (oldi > next_out) {
3432 SendToPlayer(&buf[next_out], oldi - next_out);
3437 Colorize(ColorTell, FALSE);
3438 curColor = ColorTell;
3441 Colorize(ColorKibitz, FALSE);
3442 curColor = ColorKibitz;
3445 p = strrchr(star_match[1], '(');
3452 Colorize(ColorChannel1, FALSE);
3453 curColor = ColorChannel1;
3455 Colorize(ColorChannel, FALSE);
3456 curColor = ColorChannel;
3460 curColor = ColorNormal;
3464 if (started == STARTED_NONE && appData.autoComment &&
3465 (gameMode == IcsObserving ||
3466 gameMode == IcsPlayingWhite ||
3467 gameMode == IcsPlayingBlack)) {
3468 parse_pos = i - oldi;
3469 memcpy(parse, &buf[oldi], parse_pos);
3470 parse[parse_pos] = NULLCHAR;
3471 started = STARTED_COMMENT;
3472 savingComment = TRUE;
3473 } else if(collective != 3) {
3474 started = STARTED_CHATTER;
3475 savingComment = FALSE;
3482 if (looking_at(buf, &i, "* s-shouts: ") ||
3483 looking_at(buf, &i, "* c-shouts: ")) {
3484 if (appData.colorize) {
3485 if (oldi > next_out) {
3486 SendToPlayer(&buf[next_out], oldi - next_out);
3489 Colorize(ColorSShout, FALSE);
3490 curColor = ColorSShout;
3493 started = STARTED_CHATTER;
3497 if (looking_at(buf, &i, "--->")) {
3502 if (looking_at(buf, &i, "* shouts: ") ||
3503 looking_at(buf, &i, "--> ")) {
3504 if (appData.colorize) {
3505 if (oldi > next_out) {
3506 SendToPlayer(&buf[next_out], oldi - next_out);
3509 Colorize(ColorShout, FALSE);
3510 curColor = ColorShout;
3513 started = STARTED_CHATTER;
3517 if (looking_at( buf, &i, "Challenge:")) {
3518 if (appData.colorize) {
3519 if (oldi > next_out) {
3520 SendToPlayer(&buf[next_out], oldi - next_out);
3523 Colorize(ColorChallenge, FALSE);
3524 curColor = ColorChallenge;
3530 if (looking_at(buf, &i, "* offers you") ||
3531 looking_at(buf, &i, "* offers to be") ||
3532 looking_at(buf, &i, "* would like to") ||
3533 looking_at(buf, &i, "* requests to") ||
3534 looking_at(buf, &i, "Your opponent offers") ||
3535 looking_at(buf, &i, "Your opponent requests")) {
3537 if (appData.colorize) {
3538 if (oldi > next_out) {
3539 SendToPlayer(&buf[next_out], oldi - next_out);
3542 Colorize(ColorRequest, FALSE);
3543 curColor = ColorRequest;
3548 if (looking_at(buf, &i, "* (*) seeking")) {
3549 if (appData.colorize) {
3550 if (oldi > next_out) {
3551 SendToPlayer(&buf[next_out], oldi - next_out);
3554 Colorize(ColorSeek, FALSE);
3555 curColor = ColorSeek;
3560 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3562 if (looking_at(buf, &i, "\\ ")) {
3563 if (prevColor != ColorNormal) {
3564 if (oldi > next_out) {
3565 SendToPlayer(&buf[next_out], oldi - next_out);
3568 Colorize(prevColor, TRUE);
3569 curColor = prevColor;
3571 if (savingComment) {
3572 parse_pos = i - oldi;
3573 memcpy(parse, &buf[oldi], parse_pos);
3574 parse[parse_pos] = NULLCHAR;
3575 started = STARTED_COMMENT;
3576 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3577 chattingPartner = savingComment - 3; // kludge to remember the box
3579 started = STARTED_CHATTER;
3584 if (looking_at(buf, &i, "Black Strength :") ||
3585 looking_at(buf, &i, "<<< style 10 board >>>") ||
3586 looking_at(buf, &i, "<10>") ||
3587 looking_at(buf, &i, "#@#")) {
3588 /* Wrong board style */
3590 SendToICS(ics_prefix);
3591 SendToICS("set style 12\n");
3592 SendToICS(ics_prefix);
3593 SendToICS("refresh\n");
3597 if (looking_at(buf, &i, "login:")) {
3598 if (!have_sent_ICS_logon) {
3600 have_sent_ICS_logon = 1;
3601 else // no init script was found
3602 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3603 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3604 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3609 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3610 (looking_at(buf, &i, "\n<12> ") ||
3611 looking_at(buf, &i, "<12> "))) {
3613 if (oldi > next_out) {
3614 SendToPlayer(&buf[next_out], oldi - next_out);
3617 started = STARTED_BOARD;
3622 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3623 looking_at(buf, &i, "<b1> ")) {
3624 if (oldi > next_out) {
3625 SendToPlayer(&buf[next_out], oldi - next_out);
3628 started = STARTED_HOLDINGS;
3633 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3635 /* Header for a move list -- first line */
3637 switch (ics_getting_history) {
3641 case BeginningOfGame:
3642 /* User typed "moves" or "oldmoves" while we
3643 were idle. Pretend we asked for these
3644 moves and soak them up so user can step
3645 through them and/or save them.
3648 gameMode = IcsObserving;
3651 ics_getting_history = H_GOT_UNREQ_HEADER;
3653 case EditGame: /*?*/
3654 case EditPosition: /*?*/
3655 /* Should above feature work in these modes too? */
3656 /* For now it doesn't */
3657 ics_getting_history = H_GOT_UNWANTED_HEADER;
3660 ics_getting_history = H_GOT_UNWANTED_HEADER;
3665 /* Is this the right one? */
3666 if (gameInfo.white && gameInfo.black &&
3667 strcmp(gameInfo.white, star_match[0]) == 0 &&
3668 strcmp(gameInfo.black, star_match[2]) == 0) {
3670 ics_getting_history = H_GOT_REQ_HEADER;
3673 case H_GOT_REQ_HEADER:
3674 case H_GOT_UNREQ_HEADER:
3675 case H_GOT_UNWANTED_HEADER:
3676 case H_GETTING_MOVES:
3677 /* Should not happen */
3678 DisplayError(_("Error gathering move list: two headers"), 0);
3679 ics_getting_history = H_FALSE;
3683 /* Save player ratings into gameInfo if needed */
3684 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3685 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3686 (gameInfo.whiteRating == -1 ||
3687 gameInfo.blackRating == -1)) {
3689 gameInfo.whiteRating = string_to_rating(star_match[1]);
3690 gameInfo.blackRating = string_to_rating(star_match[3]);
3691 if (appData.debugMode)
3692 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3693 gameInfo.whiteRating, gameInfo.blackRating);
3698 if (looking_at(buf, &i,
3699 "* * match, initial time: * minute*, increment: * second")) {
3700 /* Header for a move list -- second line */
3701 /* Initial board will follow if this is a wild game */
3702 if (gameInfo.event != NULL) free(gameInfo.event);
3703 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3704 gameInfo.event = StrSave(str);
3705 /* [HGM] we switched variant. Translate boards if needed. */
3706 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3710 if (looking_at(buf, &i, "Move ")) {
3711 /* Beginning of a move list */
3712 switch (ics_getting_history) {
3714 /* Normally should not happen */
3715 /* Maybe user hit reset while we were parsing */
3718 /* Happens if we are ignoring a move list that is not
3719 * the one we just requested. Common if the user
3720 * tries to observe two games without turning off
3723 case H_GETTING_MOVES:
3724 /* Should not happen */
3725 DisplayError(_("Error gathering move list: nested"), 0);
3726 ics_getting_history = H_FALSE;
3728 case H_GOT_REQ_HEADER:
3729 ics_getting_history = H_GETTING_MOVES;
3730 started = STARTED_MOVES;
3732 if (oldi > next_out) {
3733 SendToPlayer(&buf[next_out], oldi - next_out);
3736 case H_GOT_UNREQ_HEADER:
3737 ics_getting_history = H_GETTING_MOVES;
3738 started = STARTED_MOVES_NOHIDE;
3741 case H_GOT_UNWANTED_HEADER:
3742 ics_getting_history = H_FALSE;
3748 if (looking_at(buf, &i, "% ") ||
3749 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3750 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3751 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3752 soughtPending = FALSE;
3756 if(suppressKibitz) next_out = i;
3757 savingComment = FALSE;
3761 case STARTED_MOVES_NOHIDE:
3762 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3763 parse[parse_pos + i - oldi] = NULLCHAR;
3764 ParseGameHistory(parse);
3766 if (appData.zippyPlay && first.initDone) {
3767 FeedMovesToProgram(&first, forwardMostMove);
3768 if (gameMode == IcsPlayingWhite) {
3769 if (WhiteOnMove(forwardMostMove)) {
3770 if (first.sendTime) {
3771 if (first.useColors) {
3772 SendToProgram("black\n", &first);
3774 SendTimeRemaining(&first, TRUE);
3776 if (first.useColors) {
3777 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3779 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3780 first.maybeThinking = TRUE;
3782 if (first.usePlayother) {
3783 if (first.sendTime) {
3784 SendTimeRemaining(&first, TRUE);
3786 SendToProgram("playother\n", &first);
3792 } else if (gameMode == IcsPlayingBlack) {
3793 if (!WhiteOnMove(forwardMostMove)) {
3794 if (first.sendTime) {
3795 if (first.useColors) {
3796 SendToProgram("white\n", &first);
3798 SendTimeRemaining(&first, FALSE);
3800 if (first.useColors) {
3801 SendToProgram("black\n", &first);
3803 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3804 first.maybeThinking = TRUE;
3806 if (first.usePlayother) {
3807 if (first.sendTime) {
3808 SendTimeRemaining(&first, FALSE);
3810 SendToProgram("playother\n", &first);
3819 if (gameMode == IcsObserving && ics_gamenum == -1) {
3820 /* Moves came from oldmoves or moves command
3821 while we weren't doing anything else.
3823 currentMove = forwardMostMove;
3824 ClearHighlights();/*!!could figure this out*/
3825 flipView = appData.flipView;
3826 DrawPosition(TRUE, boards[currentMove]);
3827 DisplayBothClocks();
3828 snprintf(str, MSG_SIZ, "%s %s %s",
3829 gameInfo.white, _("vs."), gameInfo.black);
3833 /* Moves were history of an active game */
3834 if (gameInfo.resultDetails != NULL) {
3835 free(gameInfo.resultDetails);
3836 gameInfo.resultDetails = NULL;
3839 HistorySet(parseList, backwardMostMove,
3840 forwardMostMove, currentMove-1);
3841 DisplayMove(currentMove - 1);
3842 if (started == STARTED_MOVES) next_out = i;
3843 started = STARTED_NONE;
3844 ics_getting_history = H_FALSE;
3847 case STARTED_OBSERVE:
3848 started = STARTED_NONE;
3849 SendToICS(ics_prefix);
3850 SendToICS("refresh\n");
3856 if(bookHit) { // [HGM] book: simulate book reply
3857 static char bookMove[MSG_SIZ]; // a bit generous?
3859 programStats.nodes = programStats.depth = programStats.time =
3860 programStats.score = programStats.got_only_move = 0;
3861 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3863 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3864 strcat(bookMove, bookHit);
3865 HandleMachineMove(bookMove, &first);
3870 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3871 started == STARTED_HOLDINGS ||
3872 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3873 /* Accumulate characters in move list or board */
3874 parse[parse_pos++] = buf[i];
3877 /* Start of game messages. Mostly we detect start of game
3878 when the first board image arrives. On some versions
3879 of the ICS, though, we need to do a "refresh" after starting
3880 to observe in order to get the current board right away. */
3881 if (looking_at(buf, &i, "Adding game * to observation list")) {
3882 started = STARTED_OBSERVE;
3886 /* Handle auto-observe */
3887 if (appData.autoObserve &&
3888 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3889 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3891 /* Choose the player that was highlighted, if any. */
3892 if (star_match[0][0] == '\033' ||
3893 star_match[1][0] != '\033') {
3894 player = star_match[0];
3896 player = star_match[2];
3898 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3899 ics_prefix, StripHighlightAndTitle(player));
3902 /* Save ratings from notify string */
3903 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3904 player1Rating = string_to_rating(star_match[1]);
3905 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3906 player2Rating = string_to_rating(star_match[3]);
3908 if (appData.debugMode)
3910 "Ratings from 'Game notification:' %s %d, %s %d\n",
3911 player1Name, player1Rating,
3912 player2Name, player2Rating);
3917 /* Deal with automatic examine mode after a game,
3918 and with IcsObserving -> IcsExamining transition */
3919 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3920 looking_at(buf, &i, "has made you an examiner of game *")) {
3922 int gamenum = atoi(star_match[0]);
3923 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3924 gamenum == ics_gamenum) {
3925 /* We were already playing or observing this game;
3926 no need to refetch history */
3927 gameMode = IcsExamining;
3929 pauseExamForwardMostMove = forwardMostMove;
3930 } else if (currentMove < forwardMostMove) {
3931 ForwardInner(forwardMostMove);
3934 /* I don't think this case really can happen */
3935 SendToICS(ics_prefix);
3936 SendToICS("refresh\n");
3941 /* Error messages */
3942 // if (ics_user_moved) {
3943 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3944 if (looking_at(buf, &i, "Illegal move") ||
3945 looking_at(buf, &i, "Not a legal move") ||
3946 looking_at(buf, &i, "Your king is in check") ||
3947 looking_at(buf, &i, "It isn't your turn") ||
3948 looking_at(buf, &i, "It is not your move")) {
3950 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3951 currentMove = forwardMostMove-1;
3952 DisplayMove(currentMove - 1); /* before DMError */
3953 DrawPosition(FALSE, boards[currentMove]);
3954 SwitchClocks(forwardMostMove-1); // [HGM] race
3955 DisplayBothClocks();
3957 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3963 if (looking_at(buf, &i, "still have time") ||
3964 looking_at(buf, &i, "not out of time") ||
3965 looking_at(buf, &i, "either player is out of time") ||
3966 looking_at(buf, &i, "has timeseal; checking")) {
3967 /* We must have called his flag a little too soon */
3968 whiteFlag = blackFlag = FALSE;
3972 if (looking_at(buf, &i, "added * seconds to") ||
3973 looking_at(buf, &i, "seconds were added to")) {
3974 /* Update the clocks */
3975 SendToICS(ics_prefix);
3976 SendToICS("refresh\n");
3980 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3981 ics_clock_paused = TRUE;
3986 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3987 ics_clock_paused = FALSE;
3992 /* Grab player ratings from the Creating: message.
3993 Note we have to check for the special case when
3994 the ICS inserts things like [white] or [black]. */
3995 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3996 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3998 0 player 1 name (not necessarily white)
4000 2 empty, white, or black (IGNORED)
4001 3 player 2 name (not necessarily black)
4004 The names/ratings are sorted out when the game
4005 actually starts (below).
4007 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4008 player1Rating = string_to_rating(star_match[1]);
4009 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4010 player2Rating = string_to_rating(star_match[4]);
4012 if (appData.debugMode)
4014 "Ratings from 'Creating:' %s %d, %s %d\n",
4015 player1Name, player1Rating,
4016 player2Name, player2Rating);
4021 /* Improved generic start/end-of-game messages */
4022 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4023 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4024 /* If tkind == 0: */
4025 /* star_match[0] is the game number */
4026 /* [1] is the white player's name */
4027 /* [2] is the black player's name */
4028 /* For end-of-game: */
4029 /* [3] is the reason for the game end */
4030 /* [4] is a PGN end game-token, preceded by " " */
4031 /* For start-of-game: */
4032 /* [3] begins with "Creating" or "Continuing" */
4033 /* [4] is " *" or empty (don't care). */
4034 int gamenum = atoi(star_match[0]);
4035 char *whitename, *blackname, *why, *endtoken;
4036 ChessMove endtype = EndOfFile;
4039 whitename = star_match[1];
4040 blackname = star_match[2];
4041 why = star_match[3];
4042 endtoken = star_match[4];
4044 whitename = star_match[1];
4045 blackname = star_match[3];
4046 why = star_match[5];
4047 endtoken = star_match[6];
4050 /* Game start messages */
4051 if (strncmp(why, "Creating ", 9) == 0 ||
4052 strncmp(why, "Continuing ", 11) == 0) {
4053 gs_gamenum = gamenum;
4054 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4055 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4056 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4058 if (appData.zippyPlay) {
4059 ZippyGameStart(whitename, blackname);
4062 partnerBoardValid = FALSE; // [HGM] bughouse
4066 /* Game end messages */
4067 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4068 ics_gamenum != gamenum) {
4071 while (endtoken[0] == ' ') endtoken++;
4072 switch (endtoken[0]) {
4075 endtype = GameUnfinished;
4078 endtype = BlackWins;
4081 if (endtoken[1] == '/')
4082 endtype = GameIsDrawn;
4084 endtype = WhiteWins;
4087 GameEnds(endtype, why, GE_ICS);
4089 if (appData.zippyPlay && first.initDone) {
4090 ZippyGameEnd(endtype, why);
4091 if (first.pr == NoProc) {
4092 /* Start the next process early so that we'll
4093 be ready for the next challenge */
4094 StartChessProgram(&first);
4096 /* Send "new" early, in case this command takes
4097 a long time to finish, so that we'll be ready
4098 for the next challenge. */
4099 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4103 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4107 if (looking_at(buf, &i, "Removing game * from observation") ||
4108 looking_at(buf, &i, "no longer observing game *") ||
4109 looking_at(buf, &i, "Game * (*) has no examiners")) {
4110 if (gameMode == IcsObserving &&
4111 atoi(star_match[0]) == ics_gamenum)
4113 /* icsEngineAnalyze */
4114 if (appData.icsEngineAnalyze) {
4121 ics_user_moved = FALSE;
4126 if (looking_at(buf, &i, "no longer examining game *")) {
4127 if (gameMode == IcsExamining &&
4128 atoi(star_match[0]) == ics_gamenum)
4132 ics_user_moved = FALSE;
4137 /* Advance leftover_start past any newlines we find,
4138 so only partial lines can get reparsed */
4139 if (looking_at(buf, &i, "\n")) {
4140 prevColor = curColor;
4141 if (curColor != ColorNormal) {
4142 if (oldi > next_out) {
4143 SendToPlayer(&buf[next_out], oldi - next_out);
4146 Colorize(ColorNormal, FALSE);
4147 curColor = ColorNormal;
4149 if (started == STARTED_BOARD) {
4150 started = STARTED_NONE;
4151 parse[parse_pos] = NULLCHAR;
4152 ParseBoard12(parse);
4155 /* Send premove here */
4156 if (appData.premove) {
4158 if (currentMove == 0 &&
4159 gameMode == IcsPlayingWhite &&
4160 appData.premoveWhite) {
4161 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4162 if (appData.debugMode)
4163 fprintf(debugFP, "Sending premove:\n");
4165 } else if (currentMove == 1 &&
4166 gameMode == IcsPlayingBlack &&
4167 appData.premoveBlack) {
4168 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4169 if (appData.debugMode)
4170 fprintf(debugFP, "Sending premove:\n");
4172 } else if (gotPremove) {
4173 int oldFMM = forwardMostMove;
4175 ClearPremoveHighlights();
4176 if (appData.debugMode)
4177 fprintf(debugFP, "Sending premove:\n");
4178 UserMoveEvent(premoveFromX, premoveFromY,
4179 premoveToX, premoveToY,
4181 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4182 if(moveList[oldFMM-1][1] != '@')
4183 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4184 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4186 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4191 /* Usually suppress following prompt */
4192 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4193 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4194 if (looking_at(buf, &i, "*% ")) {
4195 savingComment = FALSE;
4200 } else if (started == STARTED_HOLDINGS) {
4202 char new_piece[MSG_SIZ];
4203 started = STARTED_NONE;
4204 parse[parse_pos] = NULLCHAR;
4205 if (appData.debugMode)
4206 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4207 parse, currentMove);
4208 if (sscanf(parse, " game %d", &gamenum) == 1) {
4209 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4210 if (gameInfo.variant == VariantNormal) {
4211 /* [HGM] We seem to switch variant during a game!
4212 * Presumably no holdings were displayed, so we have
4213 * to move the position two files to the right to
4214 * create room for them!
4216 VariantClass newVariant;
4217 switch(gameInfo.boardWidth) { // base guess on board width
4218 case 9: newVariant = VariantShogi; break;
4219 case 10: newVariant = VariantGreat; break;
4220 default: newVariant = VariantCrazyhouse; break;
4222 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4223 /* Get a move list just to see the header, which
4224 will tell us whether this is really bug or zh */
4225 if (ics_getting_history == H_FALSE) {
4226 ics_getting_history = H_REQUESTED;
4227 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4231 new_piece[0] = NULLCHAR;
4232 sscanf(parse, "game %d white [%s black [%s <- %s",
4233 &gamenum, white_holding, black_holding,
4235 white_holding[strlen(white_holding)-1] = NULLCHAR;
4236 black_holding[strlen(black_holding)-1] = NULLCHAR;
4237 /* [HGM] copy holdings to board holdings area */
4238 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4239 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4240 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4242 if (appData.zippyPlay && first.initDone) {
4243 ZippyHoldings(white_holding, black_holding,
4247 if (tinyLayout || smallLayout) {
4248 char wh[16], bh[16];
4249 PackHolding(wh, white_holding);
4250 PackHolding(bh, black_holding);
4251 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4252 gameInfo.white, gameInfo.black);
4254 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4255 gameInfo.white, white_holding, _("vs."),
4256 gameInfo.black, black_holding);
4258 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4259 DrawPosition(FALSE, boards[currentMove]);
4261 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4262 sscanf(parse, "game %d white [%s black [%s <- %s",
4263 &gamenum, white_holding, black_holding,
4265 white_holding[strlen(white_holding)-1] = NULLCHAR;
4266 black_holding[strlen(black_holding)-1] = NULLCHAR;
4267 /* [HGM] copy holdings to partner-board holdings area */
4268 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4269 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4270 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4271 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4272 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4275 /* Suppress following prompt */
4276 if (looking_at(buf, &i, "*% ")) {
4277 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4278 savingComment = FALSE;
4286 i++; /* skip unparsed character and loop back */
4289 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4290 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4291 // SendToPlayer(&buf[next_out], i - next_out);
4292 started != STARTED_HOLDINGS && leftover_start > next_out) {
4293 SendToPlayer(&buf[next_out], leftover_start - next_out);
4297 leftover_len = buf_len - leftover_start;
4298 /* if buffer ends with something we couldn't parse,
4299 reparse it after appending the next read */
4301 } else if (count == 0) {
4302 RemoveInputSource(isr);
4303 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4305 DisplayFatalError(_("Error reading from ICS"), error, 1);
4310 /* Board style 12 looks like this:
4312 <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
4314 * The "<12> " is stripped before it gets to this routine. The two
4315 * trailing 0's (flip state and clock ticking) are later addition, and
4316 * some chess servers may not have them, or may have only the first.
4317 * Additional trailing fields may be added in the future.
4320 #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"
4322 #define RELATION_OBSERVING_PLAYED 0
4323 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4324 #define RELATION_PLAYING_MYMOVE 1
4325 #define RELATION_PLAYING_NOTMYMOVE -1
4326 #define RELATION_EXAMINING 2
4327 #define RELATION_ISOLATED_BOARD -3
4328 #define RELATION_STARTING_POSITION -4 /* FICS only */
4331 ParseBoard12 (char *string)
4335 char *bookHit = NULL; // [HGM] book
4337 GameMode newGameMode;
4338 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4339 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4340 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4341 char to_play, board_chars[200];
4342 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4343 char black[32], white[32];
4345 int prevMove = currentMove;
4348 int fromX, fromY, toX, toY;
4350 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4351 Boolean weird = FALSE, reqFlag = FALSE;
4353 fromX = fromY = toX = toY = -1;
4357 if (appData.debugMode)
4358 fprintf(debugFP, "Parsing board: %s\n", string);
4360 move_str[0] = NULLCHAR;
4361 elapsed_time[0] = NULLCHAR;
4362 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4364 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4365 if(string[i] == ' ') { ranks++; files = 0; }
4367 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4370 for(j = 0; j <i; j++) board_chars[j] = string[j];
4371 board_chars[i] = '\0';
4374 n = sscanf(string, PATTERN, &to_play, &double_push,
4375 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4376 &gamenum, white, black, &relation, &basetime, &increment,
4377 &white_stren, &black_stren, &white_time, &black_time,
4378 &moveNum, str, elapsed_time, move_str, &ics_flip,
4382 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4383 DisplayError(str, 0);
4387 /* Convert the move number to internal form */
4388 moveNum = (moveNum - 1) * 2;
4389 if (to_play == 'B') moveNum++;
4390 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4391 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4397 case RELATION_OBSERVING_PLAYED:
4398 case RELATION_OBSERVING_STATIC:
4399 if (gamenum == -1) {
4400 /* Old ICC buglet */
4401 relation = RELATION_OBSERVING_STATIC;
4403 newGameMode = IcsObserving;
4405 case RELATION_PLAYING_MYMOVE:
4406 case RELATION_PLAYING_NOTMYMOVE:
4408 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4409 IcsPlayingWhite : IcsPlayingBlack;
4410 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4412 case RELATION_EXAMINING:
4413 newGameMode = IcsExamining;
4415 case RELATION_ISOLATED_BOARD:
4417 /* Just display this board. If user was doing something else,
4418 we will forget about it until the next board comes. */
4419 newGameMode = IcsIdle;
4421 case RELATION_STARTING_POSITION:
4422 newGameMode = gameMode;
4426 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4427 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4428 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4429 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4430 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4431 static int lastBgGame = -1;
4433 for (k = 0; k < ranks; k++) {
4434 for (j = 0; j < files; j++)
4435 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4436 if(gameInfo.holdingsWidth > 1) {
4437 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4438 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4441 CopyBoard(partnerBoard, board);
4442 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4443 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4444 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4445 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4446 if(toSqr = strchr(str, '-')) {
4447 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4448 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4449 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4450 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4451 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4452 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4454 DisplayWhiteClock(white_time*fac, to_play == 'W');
4455 DisplayBlackClock(black_time*fac, to_play != 'W');
4456 activePartner = to_play;
4457 if(gamenum != lastBgGame) {
4459 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4462 lastBgGame = gamenum;
4463 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4464 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4465 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4466 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4467 if(!twoBoards) DisplayMessage(partnerStatus, "");
4468 partnerBoardValid = TRUE;
4472 if(appData.dualBoard && appData.bgObserve) {
4473 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4474 SendToICS(ics_prefix), SendToICS("pobserve\n");
4475 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4477 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4482 /* Modify behavior for initial board display on move listing
4485 switch (ics_getting_history) {
4489 case H_GOT_REQ_HEADER:
4490 case H_GOT_UNREQ_HEADER:
4491 /* This is the initial position of the current game */
4492 gamenum = ics_gamenum;
4493 moveNum = 0; /* old ICS bug workaround */
4494 if (to_play == 'B') {
4495 startedFromSetupPosition = TRUE;
4496 blackPlaysFirst = TRUE;
4498 if (forwardMostMove == 0) forwardMostMove = 1;
4499 if (backwardMostMove == 0) backwardMostMove = 1;
4500 if (currentMove == 0) currentMove = 1;
4502 newGameMode = gameMode;
4503 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4505 case H_GOT_UNWANTED_HEADER:
4506 /* This is an initial board that we don't want */
4508 case H_GETTING_MOVES:
4509 /* Should not happen */
4510 DisplayError(_("Error gathering move list: extra board"), 0);
4511 ics_getting_history = H_FALSE;
4515 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4516 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4517 weird && (int)gameInfo.variant < (int)VariantShogi) {
4518 /* [HGM] We seem to have switched variant unexpectedly
4519 * Try to guess new variant from board size
4521 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4522 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4523 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4524 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4525 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4526 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4527 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4528 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4529 /* Get a move list just to see the header, which
4530 will tell us whether this is really bug or zh */
4531 if (ics_getting_history == H_FALSE) {
4532 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4533 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4538 /* Take action if this is the first board of a new game, or of a
4539 different game than is currently being displayed. */
4540 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4541 relation == RELATION_ISOLATED_BOARD) {
4543 /* Forget the old game and get the history (if any) of the new one */
4544 if (gameMode != BeginningOfGame) {
4548 if (appData.autoRaiseBoard) BoardToTop();
4550 if (gamenum == -1) {
4551 newGameMode = IcsIdle;
4552 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4553 appData.getMoveList && !reqFlag) {
4554 /* Need to get game history */
4555 ics_getting_history = H_REQUESTED;
4556 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4560 /* Initially flip the board to have black on the bottom if playing
4561 black or if the ICS flip flag is set, but let the user change
4562 it with the Flip View button. */
4563 flipView = appData.autoFlipView ?
4564 (newGameMode == IcsPlayingBlack) || ics_flip :
4567 /* Done with values from previous mode; copy in new ones */
4568 gameMode = newGameMode;
4570 ics_gamenum = gamenum;
4571 if (gamenum == gs_gamenum) {
4572 int klen = strlen(gs_kind);
4573 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4574 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4575 gameInfo.event = StrSave(str);
4577 gameInfo.event = StrSave("ICS game");
4579 gameInfo.site = StrSave(appData.icsHost);
4580 gameInfo.date = PGNDate();
4581 gameInfo.round = StrSave("-");
4582 gameInfo.white = StrSave(white);
4583 gameInfo.black = StrSave(black);
4584 timeControl = basetime * 60 * 1000;
4586 timeIncrement = increment * 1000;
4587 movesPerSession = 0;
4588 gameInfo.timeControl = TimeControlTagValue();
4589 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4590 if (appData.debugMode) {
4591 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4592 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4593 setbuf(debugFP, NULL);
4596 gameInfo.outOfBook = NULL;
4598 /* Do we have the ratings? */
4599 if (strcmp(player1Name, white) == 0 &&
4600 strcmp(player2Name, black) == 0) {
4601 if (appData.debugMode)
4602 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4603 player1Rating, player2Rating);
4604 gameInfo.whiteRating = player1Rating;
4605 gameInfo.blackRating = player2Rating;
4606 } else if (strcmp(player2Name, white) == 0 &&
4607 strcmp(player1Name, black) == 0) {
4608 if (appData.debugMode)
4609 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4610 player2Rating, player1Rating);
4611 gameInfo.whiteRating = player2Rating;
4612 gameInfo.blackRating = player1Rating;
4614 player1Name[0] = player2Name[0] = NULLCHAR;
4616 /* Silence shouts if requested */
4617 if (appData.quietPlay &&
4618 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4619 SendToICS(ics_prefix);
4620 SendToICS("set shout 0\n");
4624 /* Deal with midgame name changes */
4626 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4627 if (gameInfo.white) free(gameInfo.white);
4628 gameInfo.white = StrSave(white);
4630 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4631 if (gameInfo.black) free(gameInfo.black);
4632 gameInfo.black = StrSave(black);
4636 /* Throw away game result if anything actually changes in examine mode */
4637 if (gameMode == IcsExamining && !newGame) {
4638 gameInfo.result = GameUnfinished;
4639 if (gameInfo.resultDetails != NULL) {
4640 free(gameInfo.resultDetails);
4641 gameInfo.resultDetails = NULL;
4645 /* In pausing && IcsExamining mode, we ignore boards coming
4646 in if they are in a different variation than we are. */
4647 if (pauseExamInvalid) return;
4648 if (pausing && gameMode == IcsExamining) {
4649 if (moveNum <= pauseExamForwardMostMove) {
4650 pauseExamInvalid = TRUE;
4651 forwardMostMove = pauseExamForwardMostMove;
4656 if (appData.debugMode) {
4657 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4659 /* Parse the board */
4660 for (k = 0; k < ranks; k++) {
4661 for (j = 0; j < files; j++)
4662 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4663 if(gameInfo.holdingsWidth > 1) {
4664 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4665 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4668 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4669 board[5][BOARD_RGHT+1] = WhiteAngel;
4670 board[6][BOARD_RGHT+1] = WhiteMarshall;
4671 board[1][0] = BlackMarshall;
4672 board[2][0] = BlackAngel;
4673 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4675 CopyBoard(boards[moveNum], board);
4676 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4678 startedFromSetupPosition =
4679 !CompareBoards(board, initialPosition);
4680 if(startedFromSetupPosition)
4681 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4684 /* [HGM] Set castling rights. Take the outermost Rooks,
4685 to make it also work for FRC opening positions. Note that board12
4686 is really defective for later FRC positions, as it has no way to
4687 indicate which Rook can castle if they are on the same side of King.
4688 For the initial position we grant rights to the outermost Rooks,
4689 and remember thos rights, and we then copy them on positions
4690 later in an FRC game. This means WB might not recognize castlings with
4691 Rooks that have moved back to their original position as illegal,
4692 but in ICS mode that is not its job anyway.
4694 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4695 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4697 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4698 if(board[0][i] == WhiteRook) j = i;
4699 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4700 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4701 if(board[0][i] == WhiteRook) j = i;
4702 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4703 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4704 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4705 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4706 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4707 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4708 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4710 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4711 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4712 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4713 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4714 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4715 if(board[BOARD_HEIGHT-1][k] == bKing)
4716 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4717 if(gameInfo.variant == VariantTwoKings) {
4718 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4719 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4720 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4723 r = boards[moveNum][CASTLING][0] = initialRights[0];
4724 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4725 r = boards[moveNum][CASTLING][1] = initialRights[1];
4726 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4727 r = boards[moveNum][CASTLING][3] = initialRights[3];
4728 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4729 r = boards[moveNum][CASTLING][4] = initialRights[4];
4730 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4731 /* wildcastle kludge: always assume King has rights */
4732 r = boards[moveNum][CASTLING][2] = initialRights[2];
4733 r = boards[moveNum][CASTLING][5] = initialRights[5];
4735 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4736 boards[moveNum][EP_STATUS] = EP_NONE;
4737 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4738 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4739 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4742 if (ics_getting_history == H_GOT_REQ_HEADER ||
4743 ics_getting_history == H_GOT_UNREQ_HEADER) {
4744 /* This was an initial position from a move list, not
4745 the current position */
4749 /* Update currentMove and known move number limits */
4750 newMove = newGame || moveNum > forwardMostMove;
4753 forwardMostMove = backwardMostMove = currentMove = moveNum;
4754 if (gameMode == IcsExamining && moveNum == 0) {
4755 /* Workaround for ICS limitation: we are not told the wild
4756 type when starting to examine a game. But if we ask for
4757 the move list, the move list header will tell us */
4758 ics_getting_history = H_REQUESTED;
4759 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4762 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4763 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4765 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4766 /* [HGM] applied this also to an engine that is silently watching */
4767 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4768 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4769 gameInfo.variant == currentlyInitializedVariant) {
4770 takeback = forwardMostMove - moveNum;
4771 for (i = 0; i < takeback; i++) {
4772 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4773 SendToProgram("undo\n", &first);
4778 forwardMostMove = moveNum;
4779 if (!pausing || currentMove > forwardMostMove)
4780 currentMove = forwardMostMove;
4782 /* New part of history that is not contiguous with old part */
4783 if (pausing && gameMode == IcsExamining) {
4784 pauseExamInvalid = TRUE;
4785 forwardMostMove = pauseExamForwardMostMove;
4788 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4790 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4791 // [HGM] when we will receive the move list we now request, it will be
4792 // fed to the engine from the first move on. So if the engine is not
4793 // in the initial position now, bring it there.
4794 InitChessProgram(&first, 0);
4797 ics_getting_history = H_REQUESTED;
4798 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4801 forwardMostMove = backwardMostMove = currentMove = moveNum;
4804 /* Update the clocks */
4805 if (strchr(elapsed_time, '.')) {
4807 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4808 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4810 /* Time is in seconds */
4811 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4812 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4817 if (appData.zippyPlay && newGame &&
4818 gameMode != IcsObserving && gameMode != IcsIdle &&
4819 gameMode != IcsExamining)
4820 ZippyFirstBoard(moveNum, basetime, increment);
4823 /* Put the move on the move list, first converting
4824 to canonical algebraic form. */
4826 if (appData.debugMode) {
4827 int f = forwardMostMove;
4828 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4829 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4830 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4831 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4832 fprintf(debugFP, "moveNum = %d\n", moveNum);
4833 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4834 setbuf(debugFP, NULL);
4836 if (moveNum <= backwardMostMove) {
4837 /* We don't know what the board looked like before
4839 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4840 strcat(parseList[moveNum - 1], " ");
4841 strcat(parseList[moveNum - 1], elapsed_time);
4842 moveList[moveNum - 1][0] = NULLCHAR;
4843 } else if (strcmp(move_str, "none") == 0) {
4844 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4845 /* Again, we don't know what the board looked like;
4846 this is really the start of the game. */
4847 parseList[moveNum - 1][0] = NULLCHAR;
4848 moveList[moveNum - 1][0] = NULLCHAR;
4849 backwardMostMove = moveNum;
4850 startedFromSetupPosition = TRUE;
4851 fromX = fromY = toX = toY = -1;
4853 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4854 // So we parse the long-algebraic move string in stead of the SAN move
4855 int valid; char buf[MSG_SIZ], *prom;
4857 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4858 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4859 // str looks something like "Q/a1-a2"; kill the slash
4861 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4862 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4863 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4864 strcat(buf, prom); // long move lacks promo specification!
4865 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4866 if(appData.debugMode)
4867 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4868 safeStrCpy(move_str, buf, MSG_SIZ);
4870 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4871 &fromX, &fromY, &toX, &toY, &promoChar)
4872 || ParseOneMove(buf, moveNum - 1, &moveType,
4873 &fromX, &fromY, &toX, &toY, &promoChar);
4874 // end of long SAN patch
4876 (void) CoordsToAlgebraic(boards[moveNum - 1],
4877 PosFlags(moveNum - 1),
4878 fromY, fromX, toY, toX, promoChar,
4879 parseList[moveNum-1]);
4880 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4886 if(!IS_SHOGI(gameInfo.variant))
4887 strcat(parseList[moveNum - 1], "+");
4890 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4891 strcat(parseList[moveNum - 1], "#");
4894 strcat(parseList[moveNum - 1], " ");
4895 strcat(parseList[moveNum - 1], elapsed_time);
4896 /* currentMoveString is set as a side-effect of ParseOneMove */
4897 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4898 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4899 strcat(moveList[moveNum - 1], "\n");
4901 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4902 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4903 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4904 ChessSquare old, new = boards[moveNum][k][j];
4905 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4906 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4907 if(old == new) continue;
4908 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4909 else if(new == WhiteWazir || new == BlackWazir) {
4910 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4911 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4912 else boards[moveNum][k][j] = old; // preserve type of Gold
4913 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4914 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4917 /* Move from ICS was illegal!? Punt. */
4918 if (appData.debugMode) {
4919 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4920 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4922 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4923 strcat(parseList[moveNum - 1], " ");
4924 strcat(parseList[moveNum - 1], elapsed_time);
4925 moveList[moveNum - 1][0] = NULLCHAR;
4926 fromX = fromY = toX = toY = -1;
4929 if (appData.debugMode) {
4930 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4931 setbuf(debugFP, NULL);
4935 /* Send move to chess program (BEFORE animating it). */
4936 if (appData.zippyPlay && !newGame && newMove &&
4937 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4939 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4940 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4941 if (moveList[moveNum - 1][0] == NULLCHAR) {
4942 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4944 DisplayError(str, 0);
4946 if (first.sendTime) {
4947 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4949 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4950 if (firstMove && !bookHit) {
4952 if (first.useColors) {
4953 SendToProgram(gameMode == IcsPlayingWhite ?
4955 "black\ngo\n", &first);
4957 SendToProgram("go\n", &first);
4959 first.maybeThinking = TRUE;
4962 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4963 if (moveList[moveNum - 1][0] == NULLCHAR) {
4964 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4965 DisplayError(str, 0);
4967 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4968 SendMoveToProgram(moveNum - 1, &first);
4975 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4976 /* If move comes from a remote source, animate it. If it
4977 isn't remote, it will have already been animated. */
4978 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4979 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4981 if (!pausing && appData.highlightLastMove) {
4982 SetHighlights(fromX, fromY, toX, toY);
4986 /* Start the clocks */
4987 whiteFlag = blackFlag = FALSE;
4988 appData.clockMode = !(basetime == 0 && increment == 0);
4990 ics_clock_paused = TRUE;
4992 } else if (ticking == 1) {
4993 ics_clock_paused = FALSE;
4995 if (gameMode == IcsIdle ||
4996 relation == RELATION_OBSERVING_STATIC ||
4997 relation == RELATION_EXAMINING ||
4999 DisplayBothClocks();
5003 /* Display opponents and material strengths */
5004 if (gameInfo.variant != VariantBughouse &&
5005 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5006 if (tinyLayout || smallLayout) {
5007 if(gameInfo.variant == VariantNormal)
5008 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5009 gameInfo.white, white_stren, gameInfo.black, black_stren,
5010 basetime, increment);
5012 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5013 gameInfo.white, white_stren, gameInfo.black, black_stren,
5014 basetime, increment, (int) gameInfo.variant);
5016 if(gameInfo.variant == VariantNormal)
5017 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5018 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5019 basetime, increment);
5021 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5022 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5023 basetime, increment, VariantName(gameInfo.variant));
5026 if (appData.debugMode) {
5027 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5032 /* Display the board */
5033 if (!pausing && !appData.noGUI) {
5035 if (appData.premove)
5037 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5038 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5039 ClearPremoveHighlights();
5041 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5042 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5043 DrawPosition(j, boards[currentMove]);
5045 DisplayMove(moveNum - 1);
5046 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5047 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5048 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5049 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5053 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5055 if(bookHit) { // [HGM] book: simulate book reply
5056 static char bookMove[MSG_SIZ]; // a bit generous?
5058 programStats.nodes = programStats.depth = programStats.time =
5059 programStats.score = programStats.got_only_move = 0;
5060 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5062 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5063 strcat(bookMove, bookHit);
5064 HandleMachineMove(bookMove, &first);
5073 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5074 ics_getting_history = H_REQUESTED;
5075 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5081 SendToBoth (char *msg)
5082 { // to make it easy to keep two engines in step in dual analysis
5083 SendToProgram(msg, &first);
5084 if(second.analyzing) SendToProgram(msg, &second);
5088 AnalysisPeriodicEvent (int force)
5090 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5091 && !force) || !appData.periodicUpdates)
5094 /* Send . command to Crafty to collect stats */
5097 /* Don't send another until we get a response (this makes
5098 us stop sending to old Crafty's which don't understand
5099 the "." command (sending illegal cmds resets node count & time,
5100 which looks bad)) */
5101 programStats.ok_to_send = 0;
5105 ics_update_width (int new_width)
5107 ics_printf("set width %d\n", new_width);
5111 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5115 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5116 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5117 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5118 SendToProgram(buf, cps);
5121 // null move in variant where engine does not understand it (for analysis purposes)
5122 SendBoard(cps, moveNum + 1); // send position after move in stead.
5125 if (cps->useUsermove) {
5126 SendToProgram("usermove ", cps);
5130 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5131 int len = space - parseList[moveNum];
5132 memcpy(buf, parseList[moveNum], len);
5134 buf[len] = NULLCHAR;
5136 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5138 SendToProgram(buf, cps);
5140 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5141 AlphaRank(moveList[moveNum], 4);
5142 SendToProgram(moveList[moveNum], cps);
5143 AlphaRank(moveList[moveNum], 4); // and back
5145 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5146 * the engine. It would be nice to have a better way to identify castle
5148 if(appData.fischerCastling && cps->useOOCastle) {
5149 int fromX = moveList[moveNum][0] - AAA;
5150 int fromY = moveList[moveNum][1] - ONE;
5151 int toX = moveList[moveNum][2] - AAA;
5152 int toY = moveList[moveNum][3] - ONE;
5153 if((boards[moveNum][fromY][fromX] == WhiteKing
5154 && boards[moveNum][toY][toX] == WhiteRook)
5155 || (boards[moveNum][fromY][fromX] == BlackKing
5156 && boards[moveNum][toY][toX] == BlackRook)) {
5157 if(toX > fromX) SendToProgram("O-O\n", cps);
5158 else SendToProgram("O-O-O\n", cps);
5160 else SendToProgram(moveList[moveNum], cps);
5162 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5163 char *m = moveList[moveNum];
5165 *c = m[7]; // promoChar
5166 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
5167 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5170 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5171 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5173 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to three moves
5178 m[2], m[3] - '0', c);
5180 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5183 m[2], m[3] - '0', c);
5184 SendToProgram(buf, cps);
5186 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5187 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5188 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5189 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5190 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5192 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5193 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5194 SendToProgram(buf, cps);
5196 else SendToProgram(moveList[moveNum], cps);
5197 /* End of additions by Tord */
5200 /* [HGM] setting up the opening has brought engine in force mode! */
5201 /* Send 'go' if we are in a mode where machine should play. */
5202 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5203 (gameMode == TwoMachinesPlay ||
5205 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5207 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5208 SendToProgram("go\n", cps);
5209 if (appData.debugMode) {
5210 fprintf(debugFP, "(extra)\n");
5213 setboardSpoiledMachineBlack = 0;
5217 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5219 char user_move[MSG_SIZ];
5222 if(gameInfo.variant == VariantSChess && promoChar) {
5223 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5224 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5225 } else suffix[0] = NULLCHAR;
5229 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5230 (int)moveType, fromX, fromY, toX, toY);
5231 DisplayError(user_move + strlen("say "), 0);
5233 case WhiteKingSideCastle:
5234 case BlackKingSideCastle:
5235 case WhiteQueenSideCastleWild:
5236 case BlackQueenSideCastleWild:
5238 case WhiteHSideCastleFR:
5239 case BlackHSideCastleFR:
5241 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5243 case WhiteQueenSideCastle:
5244 case BlackQueenSideCastle:
5245 case WhiteKingSideCastleWild:
5246 case BlackKingSideCastleWild:
5248 case WhiteASideCastleFR:
5249 case BlackASideCastleFR:
5251 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5253 case WhiteNonPromotion:
5254 case BlackNonPromotion:
5255 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5257 case WhitePromotion:
5258 case BlackPromotion:
5259 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5260 gameInfo.variant == VariantMakruk)
5261 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5262 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5263 PieceToChar(WhiteFerz));
5264 else if(gameInfo.variant == VariantGreat)
5265 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5266 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5267 PieceToChar(WhiteMan));
5269 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5270 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5276 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5277 ToUpper(PieceToChar((ChessSquare) fromX)),
5278 AAA + toX, ONE + toY);
5280 case IllegalMove: /* could be a variant we don't quite understand */
5281 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5283 case WhiteCapturesEnPassant:
5284 case BlackCapturesEnPassant:
5285 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5286 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5289 SendToICS(user_move);
5290 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5291 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5296 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5297 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5298 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5299 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5300 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5303 if(gameMode != IcsExamining) { // is this ever not the case?
5304 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5306 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5307 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5308 } else { // on FICS we must first go to general examine mode
5309 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5311 if(gameInfo.variant != VariantNormal) {
5312 // try figure out wild number, as xboard names are not always valid on ICS
5313 for(i=1; i<=36; i++) {
5314 snprintf(buf, MSG_SIZ, "wild/%d", i);
5315 if(StringToVariant(buf) == gameInfo.variant) break;
5317 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5318 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5319 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5320 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5321 SendToICS(ics_prefix);
5323 if(startedFromSetupPosition || backwardMostMove != 0) {
5324 fen = PositionToFEN(backwardMostMove, NULL, 1);
5325 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5326 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5328 } else { // FICS: everything has to set by separate bsetup commands
5329 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5330 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5332 if(!WhiteOnMove(backwardMostMove)) {
5333 SendToICS("bsetup tomove black\n");
5335 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5336 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5338 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5339 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5341 i = boards[backwardMostMove][EP_STATUS];
5342 if(i >= 0) { // set e.p.
5343 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5349 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5350 SendToICS("bsetup done\n"); // switch to normal examining.
5352 for(i = backwardMostMove; i<last; i++) {
5354 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5355 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5356 int len = strlen(moveList[i]);
5357 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5358 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5362 SendToICS(ics_prefix);
5363 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5366 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5370 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5372 if (rf == DROP_RANK) {
5373 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5374 sprintf(move, "%c@%c%c\n",
5375 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5377 if (promoChar == 'x' || promoChar == NULLCHAR) {
5378 sprintf(move, "%c%c%c%c\n",
5379 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5380 if(killX >= 0 && killY >= 0) {
5381 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5382 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5385 sprintf(move, "%c%c%c%c%c\n",
5386 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5387 if(killX >= 0 && killY >= 0) {
5388 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5389 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5396 ProcessICSInitScript (FILE *f)
5400 while (fgets(buf, MSG_SIZ, f)) {
5401 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5408 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5410 static ClickType lastClickType;
5413 PieceInString (char *s, ChessSquare piece)
5415 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5416 while((p = strchr(s, ID))) {
5417 if(!suffix || p[1] == suffix) return TRUE;
5424 Partner (ChessSquare *p)
5425 { // change piece into promotion partner if one shogi-promotes to the other
5426 ChessSquare partner = promoPartner[*p];
5427 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5428 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5436 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5437 static int toggleFlag;
5438 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5439 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5440 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5441 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5442 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5443 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5445 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5446 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5447 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5448 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5449 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5450 if(!step) step = -1;
5451 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5452 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5453 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5454 promoSweep == pawn ||
5455 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5456 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5458 int victim = boards[currentMove][toY][toX];
5459 boards[currentMove][toY][toX] = promoSweep;
5460 DrawPosition(FALSE, boards[currentMove]);
5461 boards[currentMove][toY][toX] = victim;
5463 ChangeDragPiece(promoSweep);
5467 PromoScroll (int x, int y)
5471 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5472 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5473 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5474 if(!step) return FALSE;
5475 lastX = x; lastY = y;
5476 if((promoSweep < BlackPawn) == flipView) step = -step;
5477 if(step > 0) selectFlag = 1;
5478 if(!selectFlag) Sweep(step);
5483 NextPiece (int step)
5485 ChessSquare piece = boards[currentMove][toY][toX];
5488 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5489 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5490 if(!step) step = -1;
5491 } while(PieceToChar(pieceSweep) == '.');
5492 boards[currentMove][toY][toX] = pieceSweep;
5493 DrawPosition(FALSE, boards[currentMove]);
5494 boards[currentMove][toY][toX] = piece;
5496 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5498 AlphaRank (char *move, int n)
5500 // char *p = move, c; int x, y;
5502 if (appData.debugMode) {
5503 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5507 move[2]>='0' && move[2]<='9' &&
5508 move[3]>='a' && move[3]<='x' ) {
5510 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5511 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5513 if(move[0]>='0' && move[0]<='9' &&
5514 move[1]>='a' && move[1]<='x' &&
5515 move[2]>='0' && move[2]<='9' &&
5516 move[3]>='a' && move[3]<='x' ) {
5517 /* input move, Shogi -> normal */
5518 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5519 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5520 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5521 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5524 move[3]>='0' && move[3]<='9' &&
5525 move[2]>='a' && move[2]<='x' ) {
5527 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5528 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5531 move[0]>='a' && move[0]<='x' &&
5532 move[3]>='0' && move[3]<='9' &&
5533 move[2]>='a' && move[2]<='x' ) {
5534 /* output move, normal -> Shogi */
5535 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5536 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5537 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5538 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5539 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5541 if (appData.debugMode) {
5542 fprintf(debugFP, " out = '%s'\n", move);
5546 char yy_textstr[8000];
5548 /* Parser for moves from gnuchess, ICS, or user typein box */
5550 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5552 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5554 switch (*moveType) {
5555 case WhitePromotion:
5556 case BlackPromotion:
5557 case WhiteNonPromotion:
5558 case BlackNonPromotion:
5561 case WhiteCapturesEnPassant:
5562 case BlackCapturesEnPassant:
5563 case WhiteKingSideCastle:
5564 case WhiteQueenSideCastle:
5565 case BlackKingSideCastle:
5566 case BlackQueenSideCastle:
5567 case WhiteKingSideCastleWild:
5568 case WhiteQueenSideCastleWild:
5569 case BlackKingSideCastleWild:
5570 case BlackQueenSideCastleWild:
5571 /* Code added by Tord: */
5572 case WhiteHSideCastleFR:
5573 case WhiteASideCastleFR:
5574 case BlackHSideCastleFR:
5575 case BlackASideCastleFR:
5576 /* End of code added by Tord */
5577 case IllegalMove: /* bug or odd chess variant */
5578 if(currentMoveString[1] == '@') { // illegal drop
5579 *fromX = WhiteOnMove(moveNum) ?
5580 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5581 (int) CharToPiece(ToLower(currentMoveString[0]));
5584 *fromX = currentMoveString[0] - AAA;
5585 *fromY = currentMoveString[1] - ONE;
5586 *toX = currentMoveString[2] - AAA;
5587 *toY = currentMoveString[3] - ONE;
5588 *promoChar = currentMoveString[4];
5589 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5590 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5591 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5592 if (appData.debugMode) {
5593 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5595 *fromX = *fromY = *toX = *toY = 0;
5598 if (appData.testLegality) {
5599 return (*moveType != IllegalMove);
5601 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5602 // [HGM] lion: if this is a double move we are less critical
5603 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5608 *fromX = *moveType == WhiteDrop ?
5609 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5610 (int) CharToPiece(ToLower(currentMoveString[0]));
5613 *toX = currentMoveString[2] - AAA;
5614 *toY = currentMoveString[3] - ONE;
5615 *promoChar = NULLCHAR;
5619 case ImpossibleMove:
5629 if (appData.debugMode) {
5630 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5633 *fromX = *fromY = *toX = *toY = 0;
5634 *promoChar = NULLCHAR;
5639 Boolean pushed = FALSE;
5640 char *lastParseAttempt;
5643 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5644 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5645 int fromX, fromY, toX, toY; char promoChar;
5650 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5651 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5652 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5655 endPV = forwardMostMove;
5657 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5658 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5659 lastParseAttempt = pv;
5660 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5661 if(!valid && nr == 0 &&
5662 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5663 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5664 // Hande case where played move is different from leading PV move
5665 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5666 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5667 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5668 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5669 endPV += 2; // if position different, keep this
5670 moveList[endPV-1][0] = fromX + AAA;
5671 moveList[endPV-1][1] = fromY + ONE;
5672 moveList[endPV-1][2] = toX + AAA;
5673 moveList[endPV-1][3] = toY + ONE;
5674 parseList[endPV-1][0] = NULLCHAR;
5675 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5678 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5679 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5680 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5681 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5682 valid++; // allow comments in PV
5686 if(endPV+1 > framePtr) break; // no space, truncate
5689 CopyBoard(boards[endPV], boards[endPV-1]);
5690 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5691 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5692 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5693 CoordsToAlgebraic(boards[endPV - 1],
5694 PosFlags(endPV - 1),
5695 fromY, fromX, toY, toX, promoChar,
5696 parseList[endPV - 1]);
5698 if(atEnd == 2) return; // used hidden, for PV conversion
5699 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5700 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5701 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5702 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5703 DrawPosition(TRUE, boards[currentMove]);
5707 MultiPV (ChessProgramState *cps, int kind)
5708 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5710 for(i=0; i<cps->nrOptions; i++) {
5711 char *s = cps->option[i].name;
5712 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5713 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5714 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5719 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5720 static int multi, pv_margin;
5721 static ChessProgramState *activeCps;
5724 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5726 int startPV, lineStart, origIndex = index;
5727 char *p, buf2[MSG_SIZ];
5728 ChessProgramState *cps = (pane ? &second : &first);
5730 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5731 lastX = x; lastY = y;
5732 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5733 lineStart = startPV = index;
5734 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5735 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5737 do{ while(buf[index] && buf[index] != '\n') index++;
5738 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5740 if(lineStart == 0 && gameMode == AnalyzeMode) {
5742 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5743 if(n == 0) { // click not on "fewer" or "more"
5744 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5745 pv_margin = cps->option[multi].value;
5746 activeCps = cps; // non-null signals margin adjustment
5748 } else if((multi = MultiPV(cps, 1)) >= 0) {
5749 n += cps->option[multi].value; if(n < 1) n = 1;
5750 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5751 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5752 cps->option[multi].value = n;
5756 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5757 ExcludeClick(origIndex - lineStart);
5759 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5760 Collapse(origIndex - lineStart);
5763 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5764 *start = startPV; *end = index-1;
5765 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5772 static char buf[10*MSG_SIZ];
5773 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5775 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5776 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5777 for(i = forwardMostMove; i<endPV; i++){
5778 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5779 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5782 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5783 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5784 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5790 LoadPV (int x, int y)
5791 { // called on right mouse click to load PV
5792 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5793 lastX = x; lastY = y;
5794 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5802 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5804 if(pv_margin != activeCps->option[multi].value) {
5806 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5807 SendToProgram(buf, activeCps);
5808 activeCps->option[multi].value = pv_margin;
5813 if(endPV < 0) return;
5814 if(appData.autoCopyPV) CopyFENToClipboard();
5816 if(extendGame && currentMove > forwardMostMove) {
5817 Boolean saveAnimate = appData.animate;
5819 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5820 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5821 } else storedGames--; // abandon shelved tail of original game
5824 forwardMostMove = currentMove;
5825 currentMove = oldFMM;
5826 appData.animate = FALSE;
5827 ToNrEvent(forwardMostMove);
5828 appData.animate = saveAnimate;
5830 currentMove = forwardMostMove;
5831 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5832 ClearPremoveHighlights();
5833 DrawPosition(TRUE, boards[currentMove]);
5837 MovePV (int x, int y, int h)
5838 { // step through PV based on mouse coordinates (called on mouse move)
5839 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5841 if(activeCps) { // adjusting engine's multi-pv margin
5842 if(x > lastX) pv_margin++; else
5843 if(x < lastX) pv_margin -= (pv_margin > 0);
5846 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5847 DisplayMessage(buf, "");
5852 // we must somehow check if right button is still down (might be released off board!)
5853 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5854 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5855 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5857 lastX = x; lastY = y;
5859 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5860 if(endPV < 0) return;
5861 if(y < margin) step = 1; else
5862 if(y > h - margin) step = -1;
5863 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5864 currentMove += step;
5865 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5866 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5867 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5868 DrawPosition(FALSE, boards[currentMove]);
5872 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5873 // All positions will have equal probability, but the current method will not provide a unique
5874 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5880 int piecesLeft[(int)BlackPawn];
5881 int seed, nrOfShuffles;
5884 GetPositionNumber ()
5885 { // sets global variable seed
5888 seed = appData.defaultFrcPosition;
5889 if(seed < 0) { // randomize based on time for negative FRC position numbers
5890 for(i=0; i<50; i++) seed += random();
5891 seed = random() ^ random() >> 8 ^ random() << 8;
5892 if(seed<0) seed = -seed;
5897 put (Board board, int pieceType, int rank, int n, int shade)
5898 // put the piece on the (n-1)-th empty squares of the given shade
5902 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5903 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5904 board[rank][i] = (ChessSquare) pieceType;
5905 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5907 piecesLeft[pieceType]--;
5916 AddOnePiece (Board board, int pieceType, int rank, int shade)
5917 // calculate where the next piece goes, (any empty square), and put it there
5921 i = seed % squaresLeft[shade];
5922 nrOfShuffles *= squaresLeft[shade];
5923 seed /= squaresLeft[shade];
5924 put(board, pieceType, rank, i, shade);
5928 AddTwoPieces (Board board, int pieceType, int rank)
5929 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5931 int i, n=squaresLeft[ANY], j=n-1, k;
5933 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5934 i = seed % k; // pick one
5937 while(i >= j) i -= j--;
5938 j = n - 1 - j; i += j;
5939 put(board, pieceType, rank, j, ANY);
5940 put(board, pieceType, rank, i, ANY);
5944 SetUpShuffle (Board board, int number)
5948 GetPositionNumber(); nrOfShuffles = 1;
5950 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5951 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5952 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5954 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5956 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5957 p = (int) board[0][i];
5958 if(p < (int) BlackPawn) piecesLeft[p] ++;
5959 board[0][i] = EmptySquare;
5962 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5963 // shuffles restricted to allow normal castling put KRR first
5964 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5965 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5966 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5967 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5968 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5969 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5970 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5971 put(board, WhiteRook, 0, 0, ANY);
5972 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5975 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5976 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5977 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5978 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5979 while(piecesLeft[p] >= 2) {
5980 AddOnePiece(board, p, 0, LITE);
5981 AddOnePiece(board, p, 0, DARK);
5983 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5986 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5987 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5988 // but we leave King and Rooks for last, to possibly obey FRC restriction
5989 if(p == (int)WhiteRook) continue;
5990 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5991 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5994 // now everything is placed, except perhaps King (Unicorn) and Rooks
5996 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5997 // Last King gets castling rights
5998 while(piecesLeft[(int)WhiteUnicorn]) {
5999 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6000 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6003 while(piecesLeft[(int)WhiteKing]) {
6004 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6005 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6010 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6011 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6014 // Only Rooks can be left; simply place them all
6015 while(piecesLeft[(int)WhiteRook]) {
6016 i = put(board, WhiteRook, 0, 0, ANY);
6017 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6020 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6022 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6025 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6026 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6029 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6033 ptclen (const char *s, char *escapes)
6036 if(!*escapes) return strlen(s);
6037 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6042 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6043 /* [HGM] moved here from winboard.c because of its general usefulness */
6044 /* Basically a safe strcpy that uses the last character as King */
6046 int result = FALSE; int NrPieces;
6047 unsigned char partner[EmptySquare];
6049 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6050 && NrPieces >= 12 && !(NrPieces&1)) {
6051 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6053 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6054 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6056 if(map[j] == '/') offs = WhitePBishop - i, j++;
6057 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6058 table[i+offs] = map[j++];
6059 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6060 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6061 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6063 table[(int) WhiteKing] = map[j++];
6064 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6066 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6067 i = WHITE_TO_BLACK ii;
6068 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6069 table[i+offs] = map[j++];
6070 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6071 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6072 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6074 table[(int) BlackKing] = map[j++];
6077 if(*escapes) { // set up promotion pairing
6078 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6079 // pieceToChar entirely filled, so we can look up specified partners
6080 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6082 if(c == '^' || c == '-') { // has specified partner
6084 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6085 if(c == '^') table[i] = '+';
6086 if(p < EmptySquare) {
6087 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6088 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6089 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6091 } else if(c == '*') {
6092 table[i] = partner[i];
6093 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6105 SetCharTable (unsigned char *table, const char * map)
6107 return SetCharTableEsc(table, map, "");
6111 Prelude (Board board)
6112 { // [HGM] superchess: random selection of exo-pieces
6113 int i, j, k; ChessSquare p;
6114 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6116 GetPositionNumber(); // use FRC position number
6118 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6119 SetCharTable(pieceToChar, appData.pieceToCharTable);
6120 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6121 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6124 j = seed%4; seed /= 4;
6125 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6126 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6127 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6128 j = seed%3 + (seed%3 >= j); seed /= 3;
6129 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6130 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6131 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6132 j = seed%3; seed /= 3;
6133 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6134 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6135 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6136 j = seed%2 + (seed%2 >= j); seed /= 2;
6137 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6138 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6139 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6140 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6141 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6142 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6143 put(board, exoPieces[0], 0, 0, ANY);
6144 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6148 InitPosition (int redraw)
6150 ChessSquare (* pieces)[BOARD_FILES];
6151 int i, j, pawnRow=1, pieceRows=1, overrule,
6152 oldx = gameInfo.boardWidth,
6153 oldy = gameInfo.boardHeight,
6154 oldh = gameInfo.holdingsWidth;
6157 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6159 /* [AS] Initialize pv info list [HGM] and game status */
6161 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6162 pvInfoList[i].depth = 0;
6163 boards[i][EP_STATUS] = EP_NONE;
6164 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6167 initialRulePlies = 0; /* 50-move counter start */
6169 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6170 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6174 /* [HGM] logic here is completely changed. In stead of full positions */
6175 /* the initialized data only consist of the two backranks. The switch */
6176 /* selects which one we will use, which is than copied to the Board */
6177 /* initialPosition, which for the rest is initialized by Pawns and */
6178 /* empty squares. This initial position is then copied to boards[0], */
6179 /* possibly after shuffling, so that it remains available. */
6181 gameInfo.holdingsWidth = 0; /* default board sizes */
6182 gameInfo.boardWidth = 8;
6183 gameInfo.boardHeight = 8;
6184 gameInfo.holdingsSize = 0;
6185 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6186 for(i=0; i<BOARD_FILES-6; i++)
6187 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6188 initialPosition[EP_STATUS] = EP_NONE;
6189 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6190 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6191 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6192 SetCharTable(pieceNickName, appData.pieceNickNames);
6193 else SetCharTable(pieceNickName, "............");
6196 switch (gameInfo.variant) {
6197 case VariantFischeRandom:
6198 shuffleOpenings = TRUE;
6199 appData.fischerCastling = TRUE;
6202 case VariantShatranj:
6203 pieces = ShatranjArray;
6204 nrCastlingRights = 0;
6205 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6208 pieces = makrukArray;
6209 nrCastlingRights = 0;
6210 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6213 pieces = aseanArray;
6214 nrCastlingRights = 0;
6215 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6217 case VariantTwoKings:
6218 pieces = twoKingsArray;
6221 pieces = GrandArray;
6222 nrCastlingRights = 0;
6223 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6224 gameInfo.boardWidth = 10;
6225 gameInfo.boardHeight = 10;
6226 gameInfo.holdingsSize = 7;
6228 case VariantCapaRandom:
6229 shuffleOpenings = TRUE;
6230 appData.fischerCastling = TRUE;
6231 case VariantCapablanca:
6232 pieces = CapablancaArray;
6233 gameInfo.boardWidth = 10;
6234 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6237 pieces = GothicArray;
6238 gameInfo.boardWidth = 10;
6239 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6242 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6243 gameInfo.holdingsSize = 7;
6244 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6247 pieces = JanusArray;
6248 gameInfo.boardWidth = 10;
6249 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6250 nrCastlingRights = 6;
6251 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6252 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6253 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6254 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6255 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6256 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6259 pieces = FalconArray;
6260 gameInfo.boardWidth = 10;
6261 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6263 case VariantXiangqi:
6264 pieces = XiangqiArray;
6265 gameInfo.boardWidth = 9;
6266 gameInfo.boardHeight = 10;
6267 nrCastlingRights = 0;
6268 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6271 pieces = ShogiArray;
6272 gameInfo.boardWidth = 9;
6273 gameInfo.boardHeight = 9;
6274 gameInfo.holdingsSize = 7;
6275 nrCastlingRights = 0;
6276 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6279 pieces = ChuArray; pieceRows = 3;
6280 gameInfo.boardWidth = 12;
6281 gameInfo.boardHeight = 12;
6282 nrCastlingRights = 0;
6283 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6284 "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6286 case VariantCourier:
6287 pieces = CourierArray;
6288 gameInfo.boardWidth = 12;
6289 nrCastlingRights = 0;
6290 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6292 case VariantKnightmate:
6293 pieces = KnightmateArray;
6294 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6296 case VariantSpartan:
6297 pieces = SpartanArray;
6298 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6302 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6304 case VariantChuChess:
6305 pieces = ChuChessArray;
6306 gameInfo.boardWidth = 10;
6307 gameInfo.boardHeight = 10;
6308 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6311 pieces = fairyArray;
6312 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6315 pieces = GreatArray;
6316 gameInfo.boardWidth = 10;
6317 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6318 gameInfo.holdingsSize = 8;
6322 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6323 gameInfo.holdingsSize = 8;
6324 startedFromSetupPosition = TRUE;
6326 case VariantCrazyhouse:
6327 case VariantBughouse:
6329 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6330 gameInfo.holdingsSize = 5;
6332 case VariantWildCastle:
6334 /* !!?shuffle with kings guaranteed to be on d or e file */
6335 shuffleOpenings = 1;
6337 case VariantNoCastle:
6339 nrCastlingRights = 0;
6340 /* !!?unconstrained back-rank shuffle */
6341 shuffleOpenings = 1;
6346 if(appData.NrFiles >= 0) {
6347 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6348 gameInfo.boardWidth = appData.NrFiles;
6350 if(appData.NrRanks >= 0) {
6351 gameInfo.boardHeight = appData.NrRanks;
6353 if(appData.holdingsSize >= 0) {
6354 i = appData.holdingsSize;
6355 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6356 gameInfo.holdingsSize = i;
6358 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6359 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6360 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6362 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6363 if(pawnRow < 1) pawnRow = 1;
6364 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6365 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6366 if(gameInfo.variant == VariantChu) pawnRow = 3;
6368 /* User pieceToChar list overrules defaults */
6369 if(appData.pieceToCharTable != NULL)
6370 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6372 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6374 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6375 s = (ChessSquare) 0; /* account holding counts in guard band */
6376 for( i=0; i<BOARD_HEIGHT; i++ )
6377 initialPosition[i][j] = s;
6379 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6380 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6381 initialPosition[pawnRow][j] = WhitePawn;
6382 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6383 if(gameInfo.variant == VariantXiangqi) {
6385 initialPosition[pawnRow][j] =
6386 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6387 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6388 initialPosition[2][j] = WhiteCannon;
6389 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6393 if(gameInfo.variant == VariantChu) {
6394 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6395 initialPosition[pawnRow+1][j] = WhiteCobra,
6396 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6397 for(i=1; i<pieceRows; i++) {
6398 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6399 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6402 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6403 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6404 initialPosition[0][j] = WhiteRook;
6405 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6408 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6410 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6411 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6414 initialPosition[1][j] = WhiteBishop;
6415 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6417 initialPosition[1][j] = WhiteRook;
6418 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6421 if( nrCastlingRights == -1) {
6422 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6423 /* This sets default castling rights from none to normal corners */
6424 /* Variants with other castling rights must set them themselves above */
6425 nrCastlingRights = 6;
6427 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6428 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6429 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6430 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6431 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6432 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6435 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6436 if(gameInfo.variant == VariantGreat) { // promotion commoners
6437 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6438 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6439 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6440 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6442 if( gameInfo.variant == VariantSChess ) {
6443 initialPosition[1][0] = BlackMarshall;
6444 initialPosition[2][0] = BlackAngel;
6445 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6446 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6447 initialPosition[1][1] = initialPosition[2][1] =
6448 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6450 if (appData.debugMode) {
6451 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6453 if(shuffleOpenings) {
6454 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6455 startedFromSetupPosition = TRUE;
6457 if(startedFromPositionFile) {
6458 /* [HGM] loadPos: use PositionFile for every new game */
6459 CopyBoard(initialPosition, filePosition);
6460 for(i=0; i<nrCastlingRights; i++)
6461 initialRights[i] = filePosition[CASTLING][i];
6462 startedFromSetupPosition = TRUE;
6464 if(*appData.men) LoadPieceDesc(appData.men);
6466 CopyBoard(boards[0], initialPosition);
6468 if(oldx != gameInfo.boardWidth ||
6469 oldy != gameInfo.boardHeight ||
6470 oldv != gameInfo.variant ||
6471 oldh != gameInfo.holdingsWidth
6473 InitDrawingSizes(-2 ,0);
6475 oldv = gameInfo.variant;
6477 DrawPosition(TRUE, boards[currentMove]);
6481 SendBoard (ChessProgramState *cps, int moveNum)
6483 char message[MSG_SIZ];
6485 if (cps->useSetboard) {
6486 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6487 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6488 SendToProgram(message, cps);
6493 int i, j, left=0, right=BOARD_WIDTH;
6494 /* Kludge to set black to move, avoiding the troublesome and now
6495 * deprecated "black" command.
6497 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6498 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6500 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6502 SendToProgram("edit\n", cps);
6503 SendToProgram("#\n", cps);
6504 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6505 bp = &boards[moveNum][i][left];
6506 for (j = left; j < right; j++, bp++) {
6507 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6508 if ((int) *bp < (int) BlackPawn) {
6509 if(j == BOARD_RGHT+1)
6510 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6511 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6512 if(message[0] == '+' || message[0] == '~') {
6513 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6514 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6515 AAA + j, ONE + i - '0');
6517 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6518 message[1] = BOARD_RGHT - 1 - j + '1';
6519 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6521 SendToProgram(message, cps);
6526 SendToProgram("c\n", cps);
6527 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6528 bp = &boards[moveNum][i][left];
6529 for (j = left; j < right; j++, bp++) {
6530 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6531 if (((int) *bp != (int) EmptySquare)
6532 && ((int) *bp >= (int) BlackPawn)) {
6533 if(j == BOARD_LEFT-2)
6534 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6535 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6536 AAA + j, ONE + i - '0');
6537 if(message[0] == '+' || message[0] == '~') {
6538 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6539 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6540 AAA + j, ONE + i - '0');
6542 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6543 message[1] = BOARD_RGHT - 1 - j + '1';
6544 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6546 SendToProgram(message, cps);
6551 SendToProgram(".\n", cps);
6553 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6556 char exclusionHeader[MSG_SIZ];
6557 int exCnt, excludePtr;
6558 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6559 static Exclusion excluTab[200];
6560 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6566 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6567 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6573 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6574 excludePtr = 24; exCnt = 0;
6579 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6580 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6581 char buf[2*MOVE_LEN], *p;
6582 Exclusion *e = excluTab;
6584 for(i=0; i<exCnt; i++)
6585 if(e[i].ff == fromX && e[i].fr == fromY &&
6586 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6587 if(i == exCnt) { // was not in exclude list; add it
6588 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6589 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6590 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6593 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6594 excludePtr++; e[i].mark = excludePtr++;
6595 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6598 exclusionHeader[e[i].mark] = state;
6602 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6603 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6607 if((signed char)promoChar == -1) { // kludge to indicate best move
6608 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6609 return 1; // if unparsable, abort
6611 // update exclusion map (resolving toggle by consulting existing state)
6612 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6614 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6615 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6616 excludeMap[k] |= 1<<j;
6617 else excludeMap[k] &= ~(1<<j);
6619 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6621 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6622 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6624 return (state == '+');
6628 ExcludeClick (int index)
6631 Exclusion *e = excluTab;
6632 if(index < 25) { // none, best or tail clicked
6633 if(index < 13) { // none: include all
6634 WriteMap(0); // clear map
6635 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6636 SendToBoth("include all\n"); // and inform engine
6637 } else if(index > 18) { // tail
6638 if(exclusionHeader[19] == '-') { // tail was excluded
6639 SendToBoth("include all\n");
6640 WriteMap(0); // clear map completely
6641 // now re-exclude selected moves
6642 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6643 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6644 } else { // tail was included or in mixed state
6645 SendToBoth("exclude all\n");
6646 WriteMap(0xFF); // fill map completely
6647 // now re-include selected moves
6648 j = 0; // count them
6649 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6650 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6651 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6654 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6657 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6658 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6659 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6666 DefaultPromoChoice (int white)
6669 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6670 gameInfo.variant == VariantMakruk)
6671 result = WhiteFerz; // no choice
6672 else if(gameInfo.variant == VariantASEAN)
6673 result = WhiteRook; // no choice
6674 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6675 result= WhiteKing; // in Suicide Q is the last thing we want
6676 else if(gameInfo.variant == VariantSpartan)
6677 result = white ? WhiteQueen : WhiteAngel;
6678 else result = WhiteQueen;
6679 if(!white) result = WHITE_TO_BLACK result;
6683 static int autoQueen; // [HGM] oneclick
6686 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6688 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6689 /* [HGM] add Shogi promotions */
6690 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6691 ChessSquare piece, partner;
6695 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6696 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6698 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6699 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6702 piece = boards[currentMove][fromY][fromX];
6703 if(gameInfo.variant == VariantChu) {
6704 promotionZoneSize = BOARD_HEIGHT/3;
6705 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6706 } else if(gameInfo.variant == VariantShogi) {
6707 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6708 highestPromotingPiece = (int)WhiteAlfil;
6709 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6710 promotionZoneSize = 3;
6713 // Treat Lance as Pawn when it is not representing Amazon or Lance
6714 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6715 if(piece == WhiteLance) piece = WhitePawn; else
6716 if(piece == BlackLance) piece = BlackPawn;
6719 // next weed out all moves that do not touch the promotion zone at all
6720 if((int)piece >= BlackPawn) {
6721 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6723 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6724 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6726 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6727 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6728 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6732 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6734 // weed out mandatory Shogi promotions
6735 if(gameInfo.variant == VariantShogi) {
6736 if(piece >= BlackPawn) {
6737 if(toY == 0 && piece == BlackPawn ||
6738 toY == 0 && piece == BlackQueen ||
6739 toY <= 1 && piece == BlackKnight) {
6744 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6745 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6746 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6753 // weed out obviously illegal Pawn moves
6754 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6755 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6756 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6757 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6758 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6759 // note we are not allowed to test for valid (non-)capture, due to premove
6762 // we either have a choice what to promote to, or (in Shogi) whether to promote
6763 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6764 gameInfo.variant == VariantMakruk) {
6765 ChessSquare p=BlackFerz; // no choice
6766 while(p < EmptySquare) { //but make sure we use piece that exists
6767 *promoChoice = PieceToChar(p++);
6768 if(*promoChoice != '.') break;
6770 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6772 // no sense asking what we must promote to if it is going to explode...
6773 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6774 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6777 // give caller the default choice even if we will not make it
6778 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6779 partner = piece; // pieces can promote if the pieceToCharTable says so
6780 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6781 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6782 if( sweepSelect && gameInfo.variant != VariantGreat
6783 && gameInfo.variant != VariantGrand
6784 && gameInfo.variant != VariantSuper) return FALSE;
6785 if(autoQueen) return FALSE; // predetermined
6787 // suppress promotion popup on illegal moves that are not premoves
6788 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6789 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6790 if(appData.testLegality && !premove) {
6791 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6792 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6793 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6794 if(moveType != WhitePromotion && moveType != BlackPromotion)
6802 InPalace (int row, int column)
6803 { /* [HGM] for Xiangqi */
6804 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6805 column < (BOARD_WIDTH + 4)/2 &&
6806 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6811 PieceForSquare (int x, int y)
6813 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6816 return boards[currentMove][y][x];
6820 OKToStartUserMove (int x, int y)
6822 ChessSquare from_piece;
6825 if (matchMode) return FALSE;
6826 if (gameMode == EditPosition) return TRUE;
6828 if (x >= 0 && y >= 0)
6829 from_piece = boards[currentMove][y][x];
6831 from_piece = EmptySquare;
6833 if (from_piece == EmptySquare) return FALSE;
6835 white_piece = (int)from_piece >= (int)WhitePawn &&
6836 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6840 case TwoMachinesPlay:
6848 case MachinePlaysWhite:
6849 case IcsPlayingBlack:
6850 if (appData.zippyPlay) return FALSE;
6852 DisplayMoveError(_("You are playing Black"));
6857 case MachinePlaysBlack:
6858 case IcsPlayingWhite:
6859 if (appData.zippyPlay) return FALSE;
6861 DisplayMoveError(_("You are playing White"));
6866 case PlayFromGameFile:
6867 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6870 if (!white_piece && WhiteOnMove(currentMove)) {
6871 DisplayMoveError(_("It is White's turn"));
6874 if (white_piece && !WhiteOnMove(currentMove)) {
6875 DisplayMoveError(_("It is Black's turn"));
6878 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6879 /* Editing correspondence game history */
6880 /* Could disallow this or prompt for confirmation */
6885 case BeginningOfGame:
6886 if (appData.icsActive) return FALSE;
6887 if (!appData.noChessProgram) {
6889 DisplayMoveError(_("You are playing White"));
6896 if (!white_piece && WhiteOnMove(currentMove)) {
6897 DisplayMoveError(_("It is White's turn"));
6900 if (white_piece && !WhiteOnMove(currentMove)) {
6901 DisplayMoveError(_("It is Black's turn"));
6910 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6911 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6912 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6913 && gameMode != AnalyzeFile && gameMode != Training) {
6914 DisplayMoveError(_("Displayed position is not current"));
6921 OnlyMove (int *x, int *y, Boolean captures)
6923 DisambiguateClosure cl;
6924 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6926 case MachinePlaysBlack:
6927 case IcsPlayingWhite:
6928 case BeginningOfGame:
6929 if(!WhiteOnMove(currentMove)) return FALSE;
6931 case MachinePlaysWhite:
6932 case IcsPlayingBlack:
6933 if(WhiteOnMove(currentMove)) return FALSE;
6940 cl.pieceIn = EmptySquare;
6945 cl.promoCharIn = NULLCHAR;
6946 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6947 if( cl.kind == NormalMove ||
6948 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6949 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6950 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6957 if(cl.kind != ImpossibleMove) return FALSE;
6958 cl.pieceIn = EmptySquare;
6963 cl.promoCharIn = NULLCHAR;
6964 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6965 if( cl.kind == NormalMove ||
6966 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6967 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6968 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6973 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6979 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6980 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6981 int lastLoadGameUseList = FALSE;
6982 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6983 ChessMove lastLoadGameStart = EndOfFile;
6985 Boolean addToBookFlag;
6986 static Board rightsBoard, nullBoard;
6989 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6993 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6995 /* Check if the user is playing in turn. This is complicated because we
6996 let the user "pick up" a piece before it is his turn. So the piece he
6997 tried to pick up may have been captured by the time he puts it down!
6998 Therefore we use the color the user is supposed to be playing in this
6999 test, not the color of the piece that is currently on the starting
7000 square---except in EditGame mode, where the user is playing both
7001 sides; fortunately there the capture race can't happen. (It can
7002 now happen in IcsExamining mode, but that's just too bad. The user
7003 will get a somewhat confusing message in that case.)
7008 case TwoMachinesPlay:
7012 /* We switched into a game mode where moves are not accepted,
7013 perhaps while the mouse button was down. */
7016 case MachinePlaysWhite:
7017 /* User is moving for Black */
7018 if (WhiteOnMove(currentMove)) {
7019 DisplayMoveError(_("It is White's turn"));
7024 case MachinePlaysBlack:
7025 /* User is moving for White */
7026 if (!WhiteOnMove(currentMove)) {
7027 DisplayMoveError(_("It is Black's turn"));
7032 case PlayFromGameFile:
7033 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7036 case BeginningOfGame:
7039 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7040 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7041 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7042 /* User is moving for Black */
7043 if (WhiteOnMove(currentMove)) {
7044 DisplayMoveError(_("It is White's turn"));
7048 /* User is moving for White */
7049 if (!WhiteOnMove(currentMove)) {
7050 DisplayMoveError(_("It is Black's turn"));
7056 case IcsPlayingBlack:
7057 /* User is moving for Black */
7058 if (WhiteOnMove(currentMove)) {
7059 if (!appData.premove) {
7060 DisplayMoveError(_("It is White's turn"));
7061 } else if (toX >= 0 && toY >= 0) {
7064 premoveFromX = fromX;
7065 premoveFromY = fromY;
7066 premovePromoChar = promoChar;
7068 if (appData.debugMode)
7069 fprintf(debugFP, "Got premove: fromX %d,"
7070 "fromY %d, toX %d, toY %d\n",
7071 fromX, fromY, toX, toY);
7073 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7078 case IcsPlayingWhite:
7079 /* User is moving for White */
7080 if (!WhiteOnMove(currentMove)) {
7081 if (!appData.premove) {
7082 DisplayMoveError(_("It is Black's turn"));
7083 } else if (toX >= 0 && toY >= 0) {
7086 premoveFromX = fromX;
7087 premoveFromY = fromY;
7088 premovePromoChar = promoChar;
7090 if (appData.debugMode)
7091 fprintf(debugFP, "Got premove: fromX %d,"
7092 "fromY %d, toX %d, toY %d\n",
7093 fromX, fromY, toX, toY);
7095 DrawPosition(TRUE, boards[currentMove]);
7104 /* EditPosition, empty square, or different color piece;
7105 click-click move is possible */
7106 if (toX == -2 || toY == -2) {
7107 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7108 DrawPosition(FALSE, boards[currentMove]);
7110 } else if (toX >= 0 && toY >= 0) {
7111 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7112 ChessSquare p = boards[0][rf][ff];
7113 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7114 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7115 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook) {
7116 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7117 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7121 boards[0][toY][toX] = boards[0][fromY][fromX];
7122 rightsBoard[toY][toX] = 0; // revoke rights on moving
7123 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7124 if(boards[0][fromY][0] != EmptySquare) {
7125 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7126 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7129 if(fromX == BOARD_RGHT+1) {
7130 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7131 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7132 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7135 boards[0][fromY][fromX] = gatingPiece;
7137 DrawPosition(FALSE, boards[currentMove]);
7143 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7144 pup = boards[currentMove][toY][toX];
7146 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7147 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7148 if( pup != EmptySquare ) return;
7149 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7150 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7151 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7152 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7153 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7154 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7155 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7159 /* [HGM] always test for legality, to get promotion info */
7160 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7161 fromY, fromX, toY, toX, promoChar);
7163 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7165 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7167 /* [HGM] but possibly ignore an IllegalMove result */
7168 if (appData.testLegality) {
7169 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7170 DisplayMoveError(_("Illegal move"));
7175 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7176 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7177 ClearPremoveHighlights(); // was included
7178 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7179 DrawPosition(FALSE, NULL);
7183 if(addToBookFlag) { // adding moves to book
7184 char buf[MSG_SIZ], move[MSG_SIZ];
7185 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7186 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7187 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7188 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7190 addToBookFlag = FALSE;
7195 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7198 /* Common tail of UserMoveEvent and DropMenuEvent */
7200 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7204 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7205 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7206 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7207 if(WhiteOnMove(currentMove)) {
7208 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7210 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7214 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7215 move type in caller when we know the move is a legal promotion */
7216 if(moveType == NormalMove && promoChar)
7217 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7219 /* [HGM] <popupFix> The following if has been moved here from
7220 UserMoveEvent(). Because it seemed to belong here (why not allow
7221 piece drops in training games?), and because it can only be
7222 performed after it is known to what we promote. */
7223 if (gameMode == Training) {
7224 /* compare the move played on the board to the next move in the
7225 * game. If they match, display the move and the opponent's response.
7226 * If they don't match, display an error message.
7230 CopyBoard(testBoard, boards[currentMove]);
7231 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7233 if (CompareBoards(testBoard, boards[currentMove+1])) {
7234 ForwardInner(currentMove+1);
7236 /* Autoplay the opponent's response.
7237 * if appData.animate was TRUE when Training mode was entered,
7238 * the response will be animated.
7240 saveAnimate = appData.animate;
7241 appData.animate = animateTraining;
7242 ForwardInner(currentMove+1);
7243 appData.animate = saveAnimate;
7245 /* check for the end of the game */
7246 if (currentMove >= forwardMostMove) {
7247 gameMode = PlayFromGameFile;
7249 SetTrainingModeOff();
7250 DisplayInformation(_("End of game"));
7253 DisplayError(_("Incorrect move"), 0);
7258 /* Ok, now we know that the move is good, so we can kill
7259 the previous line in Analysis Mode */
7260 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7261 && currentMove < forwardMostMove) {
7262 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7263 else forwardMostMove = currentMove;
7268 /* If we need the chess program but it's dead, restart it */
7269 ResurrectChessProgram();
7271 /* A user move restarts a paused game*/
7275 thinkOutput[0] = NULLCHAR;
7277 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7279 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7280 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7284 if (gameMode == BeginningOfGame) {
7285 if (appData.noChessProgram) {
7286 gameMode = EditGame;
7290 gameMode = MachinePlaysBlack;
7293 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7295 if (first.sendName) {
7296 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7297 SendToProgram(buf, &first);
7304 /* Relay move to ICS or chess engine */
7305 if (appData.icsActive) {
7306 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7307 gameMode == IcsExamining) {
7308 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7309 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7311 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7313 // also send plain move, in case ICS does not understand atomic claims
7314 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7318 if (first.sendTime && (gameMode == BeginningOfGame ||
7319 gameMode == MachinePlaysWhite ||
7320 gameMode == MachinePlaysBlack)) {
7321 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7323 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7324 // [HGM] book: if program might be playing, let it use book
7325 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7326 first.maybeThinking = TRUE;
7327 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7328 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7329 SendBoard(&first, currentMove+1);
7330 if(second.analyzing) {
7331 if(!second.useSetboard) SendToProgram("undo\n", &second);
7332 SendBoard(&second, currentMove+1);
7335 SendMoveToProgram(forwardMostMove-1, &first);
7336 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7338 if (currentMove == cmailOldMove + 1) {
7339 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7343 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7347 if(appData.testLegality)
7348 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7354 if (WhiteOnMove(currentMove)) {
7355 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7357 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7361 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7366 case MachinePlaysBlack:
7367 case MachinePlaysWhite:
7368 /* disable certain menu options while machine is thinking */
7369 SetMachineThinkingEnables();
7376 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7377 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7379 if(bookHit) { // [HGM] book: simulate book reply
7380 static char bookMove[MSG_SIZ]; // a bit generous?
7382 programStats.nodes = programStats.depth = programStats.time =
7383 programStats.score = programStats.got_only_move = 0;
7384 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7386 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7387 strcat(bookMove, bookHit);
7388 HandleMachineMove(bookMove, &first);
7394 MarkByFEN(char *fen)
7397 if(!appData.markers || !appData.highlightDragging) return;
7398 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7399 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7403 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7404 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7405 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7406 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7407 if(*fen == 'T') marker[r][f++] = 0; else
7408 if(*fen == 'Y') marker[r][f++] = 1; else
7409 if(*fen == 'G') marker[r][f++] = 3; else
7410 if(*fen == 'B') marker[r][f++] = 4; else
7411 if(*fen == 'C') marker[r][f++] = 5; else
7412 if(*fen == 'M') marker[r][f++] = 6; else
7413 if(*fen == 'W') marker[r][f++] = 7; else
7414 if(*fen == 'D') marker[r][f++] = 8; else
7415 if(*fen == 'R') marker[r][f++] = 2; else {
7416 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7419 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7423 DrawPosition(TRUE, NULL);
7426 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7429 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7431 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7432 Markers *m = (Markers *) closure;
7433 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7434 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7435 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7436 || kind == WhiteCapturesEnPassant
7437 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7438 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7441 static int hoverSavedValid;
7444 MarkTargetSquares (int clear)
7447 if(clear) { // no reason to ever suppress clearing
7448 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7449 hoverSavedValid = 0;
7450 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7453 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7454 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7455 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7456 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7457 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7459 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7462 DrawPosition(FALSE, NULL);
7466 Explode (Board board, int fromX, int fromY, int toX, int toY)
7468 if(gameInfo.variant == VariantAtomic &&
7469 (board[toY][toX] != EmptySquare || // capture?
7470 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7471 board[fromY][fromX] == BlackPawn )
7473 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7479 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7482 CanPromote (ChessSquare piece, int y)
7484 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7485 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7486 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7487 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7488 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7489 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7490 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7491 return (piece == BlackPawn && y <= zone ||
7492 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7493 piece == BlackLance && y <= zone ||
7494 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7498 HoverEvent (int xPix, int yPix, int x, int y)
7500 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7502 if(!first.highlight) return;
7503 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7504 if(x == oldX && y == oldY) return; // only do something if we enter new square
7505 oldFromX = fromX; oldFromY = fromY;
7506 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7507 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7508 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7509 hoverSavedValid = 1;
7510 } else if(oldX != x || oldY != y) {
7511 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7512 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7513 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7514 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7515 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7517 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7518 SendToProgram(buf, &first);
7521 // SetHighlights(fromX, fromY, x, y);
7525 void ReportClick(char *action, int x, int y)
7527 char buf[MSG_SIZ]; // Inform engine of what user does
7529 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7530 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7531 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7532 if(!first.highlight || gameMode == EditPosition) return;
7533 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7534 SendToProgram(buf, &first);
7537 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7540 LeftClick (ClickType clickType, int xPix, int yPix)
7543 Boolean saveAnimate;
7544 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7545 char promoChoice = NULLCHAR;
7547 static TimeMark lastClickTime, prevClickTime;
7549 if(flashing) return;
7551 x = EventToSquare(xPix, BOARD_WIDTH);
7552 y = EventToSquare(yPix, BOARD_HEIGHT);
7553 if (!flipView && y >= 0) {
7554 y = BOARD_HEIGHT - 1 - y;
7556 if (flipView && x >= 0) {
7557 x = BOARD_WIDTH - 1 - x;
7560 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7562 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7567 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7569 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7571 if (clickType == Press) ErrorPopDown();
7572 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7574 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7575 defaultPromoChoice = promoSweep;
7576 promoSweep = EmptySquare; // terminate sweep
7577 promoDefaultAltered = TRUE;
7578 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7581 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7582 if(clickType == Release) return; // ignore upclick of click-click destination
7583 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7584 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7585 if(gameInfo.holdingsWidth &&
7586 (WhiteOnMove(currentMove)
7587 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7588 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7589 // click in right holdings, for determining promotion piece
7590 ChessSquare p = boards[currentMove][y][x];
7591 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7592 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7593 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7594 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7599 DrawPosition(FALSE, boards[currentMove]);
7603 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7604 if(clickType == Press
7605 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7606 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7607 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7610 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7611 // could be static click on premove from-square: abort premove
7613 ClearPremoveHighlights();
7616 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7617 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7619 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7620 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7621 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7622 defaultPromoChoice = DefaultPromoChoice(side);
7625 autoQueen = appData.alwaysPromoteToQueen;
7629 gatingPiece = EmptySquare;
7630 if (clickType != Press) {
7631 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7632 DragPieceEnd(xPix, yPix); dragging = 0;
7633 DrawPosition(FALSE, NULL);
7637 doubleClick = FALSE;
7638 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7639 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7641 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7642 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7643 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7644 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7646 if (OKToStartUserMove(fromX, fromY)) {
7648 ReportClick("lift", x, y);
7649 MarkTargetSquares(0);
7650 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7651 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7652 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7653 promoSweep = defaultPromoChoice;
7654 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7655 Sweep(0); // Pawn that is going to promote: preview promotion piece
7656 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7658 if (appData.highlightDragging) {
7659 SetHighlights(fromX, fromY, -1, -1);
7663 } else fromX = fromY = -1;
7669 if (clickType == Press && gameMode != EditPosition) {
7674 // ignore off-board to clicks
7675 if(y < 0 || x < 0) return;
7677 /* Check if clicking again on the same color piece */
7678 fromP = boards[currentMove][fromY][fromX];
7679 toP = boards[currentMove][y][x];
7680 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7681 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7682 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7683 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7684 WhitePawn <= toP && toP <= WhiteKing &&
7685 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7686 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7687 (BlackPawn <= fromP && fromP <= BlackKing &&
7688 BlackPawn <= toP && toP <= BlackKing &&
7689 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7690 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7691 /* Clicked again on same color piece -- changed his mind */
7692 second = (x == fromX && y == fromY);
7693 killX = killY = kill2X = kill2Y = -1;
7694 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7695 second = FALSE; // first double-click rather than scond click
7696 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7698 promoDefaultAltered = FALSE;
7699 if(!second) MarkTargetSquares(1);
7700 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7701 if (appData.highlightDragging) {
7702 SetHighlights(x, y, -1, -1);
7706 if (OKToStartUserMove(x, y)) {
7707 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7708 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7709 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7710 gatingPiece = boards[currentMove][fromY][fromX];
7711 else gatingPiece = doubleClick ? fromP : EmptySquare;
7713 fromY = y; dragging = 1;
7714 if(!second) ReportClick("lift", x, y);
7715 MarkTargetSquares(0);
7716 DragPieceBegin(xPix, yPix, FALSE);
7717 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7718 promoSweep = defaultPromoChoice;
7719 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7720 Sweep(0); // Pawn that is going to promote: preview promotion piece
7724 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7727 // ignore clicks on holdings
7728 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7731 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7732 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7733 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7737 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7738 DragPieceEnd(xPix, yPix); dragging = 0;
7740 // a deferred attempt to click-click move an empty square on top of a piece
7741 boards[currentMove][y][x] = EmptySquare;
7743 DrawPosition(FALSE, boards[currentMove]);
7744 fromX = fromY = -1; clearFlag = 0;
7747 if (appData.animateDragging) {
7748 /* Undo animation damage if any */
7749 DrawPosition(FALSE, NULL);
7752 /* Second up/down in same square; just abort move */
7755 gatingPiece = EmptySquare;
7758 ClearPremoveHighlights();
7759 MarkTargetSquares(-1);
7760 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7762 /* First upclick in same square; start click-click mode */
7763 SetHighlights(x, y, -1, -1);
7770 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7771 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7772 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7773 DisplayMessage(_("only marked squares are legal"),"");
7774 DrawPosition(TRUE, NULL);
7775 return; // ignore to-click
7778 /* we now have a different from- and (possibly off-board) to-square */
7779 /* Completed move */
7780 if(!sweepSelecting) {
7785 piece = boards[currentMove][fromY][fromX];
7787 saveAnimate = appData.animate;
7788 if (clickType == Press) {
7789 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7790 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7791 // must be Edit Position mode with empty-square selected
7792 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7793 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7796 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7799 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7800 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7802 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7803 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7804 if(appData.sweepSelect) {
7805 promoSweep = defaultPromoChoice;
7806 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7807 selectFlag = 0; lastX = xPix; lastY = yPix;
7808 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7809 saveFlash = appData.flashCount; appData.flashCount = 0;
7810 Sweep(0); // Pawn that is going to promote: preview promotion piece
7812 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7813 MarkTargetSquares(1);
7815 return; // promo popup appears on up-click
7817 /* Finish clickclick move */
7818 if (appData.animate || appData.highlightLastMove) {
7819 SetHighlights(fromX, fromY, toX, toY);
7823 MarkTargetSquares(1);
7824 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7825 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7826 *promoRestrict = 0; appData.flashCount = saveFlash;
7827 if (appData.animate || appData.highlightLastMove) {
7828 SetHighlights(fromX, fromY, toX, toY);
7832 MarkTargetSquares(1);
7835 // [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
7836 /* Finish drag move */
7837 if (appData.highlightLastMove) {
7838 SetHighlights(fromX, fromY, toX, toY);
7843 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7844 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7845 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7846 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7847 dragging *= 2; // flag button-less dragging if we are dragging
7848 MarkTargetSquares(1);
7849 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7851 kill2X = killX; kill2Y = killY;
7852 killX = x; killY = y; // remember this square as intermediate
7853 ReportClick("put", x, y); // and inform engine
7854 ReportClick("lift", x, y);
7855 MarkTargetSquares(0);
7859 DragPieceEnd(xPix, yPix); dragging = 0;
7860 /* Don't animate move and drag both */
7861 appData.animate = FALSE;
7862 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7865 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7866 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7867 ChessSquare piece = boards[currentMove][fromY][fromX];
7868 if(gameMode == EditPosition && piece != EmptySquare &&
7869 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7872 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7873 n = PieceToNumber(piece - (int)BlackPawn);
7874 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7875 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7876 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7878 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7879 n = PieceToNumber(piece);
7880 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7881 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7882 boards[currentMove][n][BOARD_WIDTH-2]++;
7884 boards[currentMove][fromY][fromX] = EmptySquare;
7888 MarkTargetSquares(1);
7889 DrawPosition(TRUE, boards[currentMove]);
7893 // off-board moves should not be highlighted
7894 if(x < 0 || y < 0) ClearHighlights();
7895 else ReportClick("put", x, y);
7897 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7899 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7901 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7902 SetHighlights(fromX, fromY, toX, toY);
7903 MarkTargetSquares(1);
7904 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7905 // [HGM] super: promotion to captured piece selected from holdings
7906 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7907 promotionChoice = TRUE;
7908 // kludge follows to temporarily execute move on display, without promoting yet
7909 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7910 boards[currentMove][toY][toX] = p;
7911 DrawPosition(FALSE, boards[currentMove]);
7912 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7913 boards[currentMove][toY][toX] = q;
7914 DisplayMessage("Click in holdings to choose piece", "");
7917 PromotionPopUp(promoChoice);
7919 int oldMove = currentMove;
7920 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7921 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7922 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7923 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7924 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7925 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7926 DrawPosition(TRUE, boards[currentMove]);
7930 appData.animate = saveAnimate;
7931 if (appData.animate || appData.animateDragging) {
7932 /* Undo animation damage if needed */
7933 // DrawPosition(FALSE, NULL);
7938 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7939 { // front-end-free part taken out of PieceMenuPopup
7940 int whichMenu; int xSqr, ySqr;
7942 if(seekGraphUp) { // [HGM] seekgraph
7943 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7944 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7948 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7949 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7950 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7951 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7952 if(action == Press) {
7953 originalFlip = flipView;
7954 flipView = !flipView; // temporarily flip board to see game from partners perspective
7955 DrawPosition(TRUE, partnerBoard);
7956 DisplayMessage(partnerStatus, "");
7958 } else if(action == Release) {
7959 flipView = originalFlip;
7960 DrawPosition(TRUE, boards[currentMove]);
7966 xSqr = EventToSquare(x, BOARD_WIDTH);
7967 ySqr = EventToSquare(y, BOARD_HEIGHT);
7968 if (action == Release) {
7969 if(pieceSweep != EmptySquare) {
7970 EditPositionMenuEvent(pieceSweep, toX, toY);
7971 pieceSweep = EmptySquare;
7972 } else UnLoadPV(); // [HGM] pv
7974 if (action != Press) return -2; // return code to be ignored
7977 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7979 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7980 if (xSqr < 0 || ySqr < 0) return -1;
7981 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7982 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7983 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7984 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7988 if(!appData.icsEngineAnalyze) return -1;
7989 case IcsPlayingWhite:
7990 case IcsPlayingBlack:
7991 if(!appData.zippyPlay) goto noZip;
7994 case MachinePlaysWhite:
7995 case MachinePlaysBlack:
7996 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7997 if (!appData.dropMenu) {
7999 return 2; // flag front-end to grab mouse events
8001 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8002 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8005 if (xSqr < 0 || ySqr < 0) return -1;
8006 if (!appData.dropMenu || appData.testLegality &&
8007 gameInfo.variant != VariantBughouse &&
8008 gameInfo.variant != VariantCrazyhouse) return -1;
8009 whichMenu = 1; // drop menu
8015 if (((*fromX = xSqr) < 0) ||
8016 ((*fromY = ySqr) < 0)) {
8017 *fromX = *fromY = -1;
8021 *fromX = BOARD_WIDTH - 1 - *fromX;
8023 *fromY = BOARD_HEIGHT - 1 - *fromY;
8029 Wheel (int dir, int x, int y)
8031 if(gameMode == EditPosition) {
8032 int xSqr = EventToSquare(x, BOARD_WIDTH);
8033 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8034 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8035 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8037 boards[currentMove][ySqr][xSqr] += dir;
8038 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8039 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8040 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8041 DrawPosition(FALSE, boards[currentMove]);
8042 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8046 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8048 // char * hint = lastHint;
8049 FrontEndProgramStats stats;
8051 stats.which = cps == &first ? 0 : 1;
8052 stats.depth = cpstats->depth;
8053 stats.nodes = cpstats->nodes;
8054 stats.score = cpstats->score;
8055 stats.time = cpstats->time;
8056 stats.pv = cpstats->movelist;
8057 stats.hint = lastHint;
8058 stats.an_move_index = 0;
8059 stats.an_move_count = 0;
8061 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8062 stats.hint = cpstats->move_name;
8063 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8064 stats.an_move_count = cpstats->nr_moves;
8067 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
8069 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8070 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8072 SetProgramStats( &stats );
8076 ClearEngineOutputPane (int which)
8078 static FrontEndProgramStats dummyStats;
8079 dummyStats.which = which;
8080 dummyStats.pv = "#";
8081 SetProgramStats( &dummyStats );
8084 #define MAXPLAYERS 500
8087 TourneyStandings (int display)
8089 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8090 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8091 char result, *p, *names[MAXPLAYERS];
8093 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8094 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8095 names[0] = p = strdup(appData.participants);
8096 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8098 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8100 while(result = appData.results[nr]) {
8101 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8102 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8103 wScore = bScore = 0;
8105 case '+': wScore = 2; break;
8106 case '-': bScore = 2; break;
8107 case '=': wScore = bScore = 1; break;
8109 case '*': return strdup("busy"); // tourney not finished
8117 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8118 for(w=0; w<nPlayers; w++) {
8120 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8121 ranking[w] = b; points[w] = bScore; score[b] = -2;
8123 p = malloc(nPlayers*34+1);
8124 for(w=0; w<nPlayers && w<display; w++)
8125 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8131 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8132 { // count all piece types
8134 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8135 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8136 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8139 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8140 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8141 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8142 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8143 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8144 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8149 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8151 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8152 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8154 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8155 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8156 if(myPawns == 2 && nMine == 3) // KPP
8157 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8158 if(myPawns == 1 && nMine == 2) // KP
8159 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8160 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8161 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8162 if(myPawns) return FALSE;
8163 if(pCnt[WhiteRook+side])
8164 return pCnt[BlackRook-side] ||
8165 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8166 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8167 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8168 if(pCnt[WhiteCannon+side]) {
8169 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8170 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8172 if(pCnt[WhiteKnight+side])
8173 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8178 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8180 VariantClass v = gameInfo.variant;
8182 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8183 if(v == VariantShatranj) return TRUE; // always winnable through baring
8184 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8185 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8187 if(v == VariantXiangqi) {
8188 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8190 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8191 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8192 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8193 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8194 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8195 if(stale) // we have at least one last-rank P plus perhaps C
8196 return majors // KPKX
8197 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8199 return pCnt[WhiteFerz+side] // KCAK
8200 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8201 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8202 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8204 } else if(v == VariantKnightmate) {
8205 if(nMine == 1) return FALSE;
8206 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8207 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8208 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8210 if(nMine == 1) return FALSE; // bare King
8211 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
8212 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8213 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8214 // by now we have King + 1 piece (or multiple Bishops on the same color)
8215 if(pCnt[WhiteKnight+side])
8216 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8217 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8218 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8220 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8221 if(pCnt[WhiteAlfil+side])
8222 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8223 if(pCnt[WhiteWazir+side])
8224 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8231 CompareWithRights (Board b1, Board b2)
8234 if(!CompareBoards(b1, b2)) return FALSE;
8235 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8236 /* compare castling rights */
8237 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8238 rights++; /* King lost rights, while rook still had them */
8239 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8240 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8241 rights++; /* but at least one rook lost them */
8243 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8245 if( b1[CASTLING][5] != NoRights ) {
8246 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8253 Adjudicate (ChessProgramState *cps)
8254 { // [HGM] some adjudications useful with buggy engines
8255 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8256 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8257 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8258 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8259 int k, drop, count = 0; static int bare = 1;
8260 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8261 Boolean canAdjudicate = !appData.icsActive;
8263 // most tests only when we understand the game, i.e. legality-checking on
8264 if( appData.testLegality )
8265 { /* [HGM] Some more adjudications for obstinate engines */
8266 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8267 static int moveCount = 6;
8269 char *reason = NULL;
8271 /* Count what is on board. */
8272 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8274 /* Some material-based adjudications that have to be made before stalemate test */
8275 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8276 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8277 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8278 if(canAdjudicate && appData.checkMates) {
8280 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8281 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8282 "Xboard adjudication: King destroyed", GE_XBOARD );
8287 /* Bare King in Shatranj (loses) or Losers (wins) */
8288 if( nrW == 1 || nrB == 1) {
8289 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8290 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8291 if(canAdjudicate && appData.checkMates) {
8293 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8294 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8295 "Xboard adjudication: Bare king", GE_XBOARD );
8299 if( gameInfo.variant == VariantShatranj && --bare < 0)
8301 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8302 if(canAdjudicate && appData.checkMates) {
8303 /* but only adjudicate if adjudication enabled */
8305 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8306 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8307 "Xboard adjudication: Bare king", GE_XBOARD );
8314 // don't wait for engine to announce game end if we can judge ourselves
8315 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8317 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8318 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8319 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8320 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8323 reason = "Xboard adjudication: 3rd check";
8324 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8335 reason = "Xboard adjudication: Stalemate";
8336 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8337 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8338 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8339 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8340 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8341 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8342 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8343 EP_CHECKMATE : EP_WINS);
8344 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8345 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8349 reason = "Xboard adjudication: Checkmate";
8350 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8351 if(gameInfo.variant == VariantShogi) {
8352 if(forwardMostMove > backwardMostMove
8353 && moveList[forwardMostMove-1][1] == '@'
8354 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8355 reason = "XBoard adjudication: pawn-drop mate";
8356 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8362 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8364 result = GameIsDrawn; break;
8366 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8368 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8372 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8374 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8375 GameEnds( result, reason, GE_XBOARD );
8379 /* Next absolutely insufficient mating material. */
8380 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8381 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8382 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8384 /* always flag draws, for judging claims */
8385 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8387 if(canAdjudicate && appData.materialDraws) {
8388 /* but only adjudicate them if adjudication enabled */
8389 if(engineOpponent) {
8390 SendToProgram("force\n", engineOpponent); // suppress reply
8391 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8393 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8398 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8399 if(gameInfo.variant == VariantXiangqi ?
8400 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8402 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8403 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8404 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8405 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8407 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8408 { /* if the first 3 moves do not show a tactical win, declare draw */
8409 if(engineOpponent) {
8410 SendToProgram("force\n", engineOpponent); // suppress reply
8411 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8413 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8416 } else moveCount = 6;
8419 // Repetition draws and 50-move rule can be applied independently of legality testing
8421 /* Check for rep-draws */
8423 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8424 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8425 for(k = forwardMostMove-2;
8426 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8427 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8428 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8431 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8432 /* compare castling rights */
8433 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8434 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8435 rights++; /* King lost rights, while rook still had them */
8436 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8437 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8438 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8439 rights++; /* but at least one rook lost them */
8441 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8442 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8444 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8445 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8446 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8449 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8450 && appData.drawRepeats > 1) {
8451 /* adjudicate after user-specified nr of repeats */
8452 int result = GameIsDrawn;
8453 char *details = "XBoard adjudication: repetition draw";
8454 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8455 // [HGM] xiangqi: check for forbidden perpetuals
8456 int m, ourPerpetual = 1, hisPerpetual = 1;
8457 for(m=forwardMostMove; m>k; m-=2) {
8458 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8459 ourPerpetual = 0; // the current mover did not always check
8460 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8461 hisPerpetual = 0; // the opponent did not always check
8463 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8464 ourPerpetual, hisPerpetual);
8465 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8466 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8467 details = "Xboard adjudication: perpetual checking";
8469 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8470 break; // (or we would have caught him before). Abort repetition-checking loop.
8472 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8473 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8475 details = "Xboard adjudication: repetition";
8477 } else // it must be XQ
8478 // Now check for perpetual chases
8479 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8480 hisPerpetual = PerpetualChase(k, forwardMostMove);
8481 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8482 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8483 static char resdet[MSG_SIZ];
8484 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8486 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8488 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8489 break; // Abort repetition-checking loop.
8491 // if neither of us is checking or chasing all the time, or both are, it is draw
8493 if(engineOpponent) {
8494 SendToProgram("force\n", engineOpponent); // suppress reply
8495 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8497 GameEnds( result, details, GE_XBOARD );
8500 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8501 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8505 /* Now we test for 50-move draws. Determine ply count */
8506 count = forwardMostMove;
8507 /* look for last irreversble move */
8508 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8510 /* if we hit starting position, add initial plies */
8511 if( count == backwardMostMove )
8512 count -= initialRulePlies;
8513 count = forwardMostMove - count;
8514 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8515 // adjust reversible move counter for checks in Xiangqi
8516 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8517 if(i < backwardMostMove) i = backwardMostMove;
8518 while(i <= forwardMostMove) {
8519 lastCheck = inCheck; // check evasion does not count
8520 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8521 if(inCheck || lastCheck) count--; // check does not count
8526 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8527 /* this is used to judge if draw claims are legal */
8528 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8529 if(engineOpponent) {
8530 SendToProgram("force\n", engineOpponent); // suppress reply
8531 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8533 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8537 /* if draw offer is pending, treat it as a draw claim
8538 * when draw condition present, to allow engines a way to
8539 * claim draws before making their move to avoid a race
8540 * condition occurring after their move
8542 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8544 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8545 p = "Draw claim: 50-move rule";
8546 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8547 p = "Draw claim: 3-fold repetition";
8548 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8549 p = "Draw claim: insufficient mating material";
8550 if( p != NULL && canAdjudicate) {
8551 if(engineOpponent) {
8552 SendToProgram("force\n", engineOpponent); // suppress reply
8553 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8555 GameEnds( GameIsDrawn, p, GE_XBOARD );
8560 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8561 if(engineOpponent) {
8562 SendToProgram("force\n", engineOpponent); // suppress reply
8563 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8565 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8571 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8572 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8573 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8578 int pieces[10], squares[10], cnt=0, r, f, res;
8580 static PPROBE_EGBB probeBB;
8581 if(!appData.testLegality) return 10;
8582 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8583 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8584 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8585 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8586 ChessSquare piece = boards[forwardMostMove][r][f];
8587 int black = (piece >= BlackPawn);
8588 int type = piece - black*BlackPawn;
8589 if(piece == EmptySquare) continue;
8590 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8591 if(type == WhiteKing) type = WhiteQueen + 1;
8592 type = egbbCode[type];
8593 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8594 pieces[cnt] = type + black*6;
8595 if(++cnt > 5) return 11;
8597 pieces[cnt] = squares[cnt] = 0;
8599 if(loaded == 2) return 13; // loading failed before
8601 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8604 loaded = 2; // prepare for failure
8605 if(!path) return 13; // no egbb installed
8606 strncpy(buf, path + 8, MSG_SIZ);
8607 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8608 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8609 lib = LoadLibrary(buf);
8610 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8611 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8612 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8613 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8614 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8615 loaded = 1; // success!
8617 res = probeBB(forwardMostMove & 1, pieces, squares);
8618 return res > 0 ? 1 : res < 0 ? -1 : 0;
8622 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8623 { // [HGM] book: this routine intercepts moves to simulate book replies
8624 char *bookHit = NULL;
8626 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8628 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8629 SendToProgram(buf, cps);
8631 //first determine if the incoming move brings opponent into his book
8632 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8633 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8634 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8635 if(bookHit != NULL && !cps->bookSuspend) {
8636 // make sure opponent is not going to reply after receiving move to book position
8637 SendToProgram("force\n", cps);
8638 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8640 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8641 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8642 // now arrange restart after book miss
8644 // after a book hit we never send 'go', and the code after the call to this routine
8645 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8646 char buf[MSG_SIZ], *move = bookHit;
8648 int fromX, fromY, toX, toY;
8652 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8653 &fromX, &fromY, &toX, &toY, &promoChar)) {
8654 (void) CoordsToAlgebraic(boards[forwardMostMove],
8655 PosFlags(forwardMostMove),
8656 fromY, fromX, toY, toX, promoChar, move);
8658 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8662 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8663 SendToProgram(buf, cps);
8664 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8665 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8666 SendToProgram("go\n", cps);
8667 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8668 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8669 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8670 SendToProgram("go\n", cps);
8671 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8673 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8677 LoadError (char *errmess, ChessProgramState *cps)
8678 { // unloads engine and switches back to -ncp mode if it was first
8679 if(cps->initDone) return FALSE;
8680 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8681 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8684 appData.noChessProgram = TRUE;
8685 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8686 gameMode = BeginningOfGame; ModeHighlight();
8689 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8690 DisplayMessage("", ""); // erase waiting message
8691 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8696 ChessProgramState *savedState;
8698 DeferredBookMove (void)
8700 if(savedState->lastPing != savedState->lastPong)
8701 ScheduleDelayedEvent(DeferredBookMove, 10);
8703 HandleMachineMove(savedMessage, savedState);
8706 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8707 static ChessProgramState *stalledEngine;
8708 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8711 HandleMachineMove (char *message, ChessProgramState *cps)
8713 static char firstLeg[20], legs;
8714 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8715 char realname[MSG_SIZ];
8716 int fromX, fromY, toX, toY;
8718 char promoChar, roar;
8723 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8724 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8725 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8726 DisplayError(_("Invalid pairing from pairing engine"), 0);
8729 pairingReceived = 1;
8731 return; // Skim the pairing messages here.
8734 oldError = cps->userError; cps->userError = 0;
8736 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8738 * Kludge to ignore BEL characters
8740 while (*message == '\007') message++;
8743 * [HGM] engine debug message: ignore lines starting with '#' character
8745 if(cps->debug && *message == '#') return;
8748 * Look for book output
8750 if (cps == &first && bookRequested) {
8751 if (message[0] == '\t' || message[0] == ' ') {
8752 /* Part of the book output is here; append it */
8753 strcat(bookOutput, message);
8754 strcat(bookOutput, " \n");
8756 } else if (bookOutput[0] != NULLCHAR) {
8757 /* All of book output has arrived; display it */
8758 char *p = bookOutput;
8759 while (*p != NULLCHAR) {
8760 if (*p == '\t') *p = ' ';
8763 DisplayInformation(bookOutput);
8764 bookRequested = FALSE;
8765 /* Fall through to parse the current output */
8770 * Look for machine move.
8772 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8773 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8775 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8776 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8777 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8778 stalledEngine = cps;
8779 if(appData.ponderNextMove) { // bring opponent out of ponder
8780 if(gameMode == TwoMachinesPlay) {
8781 if(cps->other->pause)
8782 PauseEngine(cps->other);
8784 SendToProgram("easy\n", cps->other);
8793 /* This method is only useful on engines that support ping */
8794 if(abortEngineThink) {
8795 if (appData.debugMode) {
8796 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8798 SendToProgram("undo\n", cps);
8802 if (cps->lastPing != cps->lastPong) {
8803 /* Extra move from before last new; ignore */
8804 if (appData.debugMode) {
8805 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8812 int machineWhite = FALSE;
8815 case BeginningOfGame:
8816 /* Extra move from before last reset; ignore */
8817 if (appData.debugMode) {
8818 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8825 /* Extra move after we tried to stop. The mode test is
8826 not a reliable way of detecting this problem, but it's
8827 the best we can do on engines that don't support ping.
8829 if (appData.debugMode) {
8830 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8831 cps->which, gameMode);
8833 SendToProgram("undo\n", cps);
8836 case MachinePlaysWhite:
8837 case IcsPlayingWhite:
8838 machineWhite = TRUE;
8841 case MachinePlaysBlack:
8842 case IcsPlayingBlack:
8843 machineWhite = FALSE;
8846 case TwoMachinesPlay:
8847 machineWhite = (cps->twoMachinesColor[0] == 'w');
8850 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8851 if (appData.debugMode) {
8853 "Ignoring move out of turn by %s, gameMode %d"
8854 ", forwardMost %d\n",
8855 cps->which, gameMode, forwardMostMove);
8861 if(cps->alphaRank) AlphaRank(machineMove, 4);
8863 // [HGM] lion: (some very limited) support for Alien protocol
8864 killX = killY = kill2X = kill2Y = -1;
8865 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8866 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8867 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8870 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8871 char *q = strchr(p+1, ','); // second comma?
8872 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8873 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8874 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8876 if(firstLeg[0]) { // there was a previous leg;
8877 // only support case where same piece makes two step
8878 char buf[20], *p = machineMove+1, *q = buf+1, f;
8879 safeStrCpy(buf, machineMove, 20);
8880 while(isdigit(*q)) q++; // find start of to-square
8881 safeStrCpy(machineMove, firstLeg, 20);
8882 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8883 if(legs == 2) sscanf(p, "%c%d", &f, &kill2Y), kill2X = f - AAA, kill2Y -= ONE - '0'; // in 3-leg move 2nd kill is to-sqr of 1st leg
8884 else if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it is King move of castling)
8885 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8886 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8887 firstLeg[0] = NULLCHAR; legs = 0;
8890 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8891 &fromX, &fromY, &toX, &toY, &promoChar)) {
8892 /* Machine move could not be parsed; ignore it. */
8893 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8894 machineMove, _(cps->which));
8895 DisplayMoveError(buf1);
8896 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8897 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8898 if (gameMode == TwoMachinesPlay) {
8899 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8905 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8906 /* So we have to redo legality test with true e.p. status here, */
8907 /* to make sure an illegal e.p. capture does not slip through, */
8908 /* to cause a forfeit on a justified illegal-move complaint */
8909 /* of the opponent. */
8910 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8912 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8913 fromY, fromX, toY, toX, promoChar);
8914 if(moveType == IllegalMove) {
8915 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8916 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8917 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8920 } else if(!appData.fischerCastling)
8921 /* [HGM] Kludge to handle engines that send FRC-style castling
8922 when they shouldn't (like TSCP-Gothic) */
8924 case WhiteASideCastleFR:
8925 case BlackASideCastleFR:
8927 currentMoveString[2]++;
8929 case WhiteHSideCastleFR:
8930 case BlackHSideCastleFR:
8932 currentMoveString[2]--;
8934 default: ; // nothing to do, but suppresses warning of pedantic compilers
8937 hintRequested = FALSE;
8938 lastHint[0] = NULLCHAR;
8939 bookRequested = FALSE;
8940 /* Program may be pondering now */
8941 cps->maybeThinking = TRUE;
8942 if (cps->sendTime == 2) cps->sendTime = 1;
8943 if (cps->offeredDraw) cps->offeredDraw--;
8945 /* [AS] Save move info*/
8946 pvInfoList[ forwardMostMove ].score = programStats.score;
8947 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8948 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8950 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8952 /* Test suites abort the 'game' after one move */
8953 if(*appData.finger) {
8955 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8956 if(!f) f = fopen(appData.finger, "w");
8957 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8958 else { DisplayFatalError("Bad output file", errno, 0); return; }
8960 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8963 if(solvingTime >= 0) {
8964 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8965 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8967 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8968 if(solvingTime == -2) second.matchWins++;
8970 OutputKibitz(2, buf1);
8971 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8974 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8975 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8978 while( count < adjudicateLossPlies ) {
8979 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8982 score = -score; /* Flip score for winning side */
8985 if( score > appData.adjudicateLossThreshold ) {
8992 if( count >= adjudicateLossPlies ) {
8993 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8995 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8996 "Xboard adjudication",
9003 if(Adjudicate(cps)) {
9004 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9005 return; // [HGM] adjudicate: for all automatic game ends
9009 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9011 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9012 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9014 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9016 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9018 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9019 char buf[3*MSG_SIZ];
9021 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9022 programStats.score / 100.,
9024 programStats.time / 100.,
9025 (unsigned int)programStats.nodes,
9026 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9027 programStats.movelist);
9033 /* [AS] Clear stats for next move */
9034 ClearProgramStats();
9035 thinkOutput[0] = NULLCHAR;
9036 hiddenThinkOutputState = 0;
9039 if (gameMode == TwoMachinesPlay) {
9040 /* [HGM] relaying draw offers moved to after reception of move */
9041 /* and interpreting offer as claim if it brings draw condition */
9042 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9043 SendToProgram("draw\n", cps->other);
9045 if (cps->other->sendTime) {
9046 SendTimeRemaining(cps->other,
9047 cps->other->twoMachinesColor[0] == 'w');
9049 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9050 if (firstMove && !bookHit) {
9052 if (cps->other->useColors) {
9053 SendToProgram(cps->other->twoMachinesColor, cps->other);
9055 SendToProgram("go\n", cps->other);
9057 cps->other->maybeThinking = TRUE;
9060 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9062 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9064 if (!pausing && appData.ringBellAfterMoves) {
9065 if(!roar) RingBell();
9069 * Reenable menu items that were disabled while
9070 * machine was thinking
9072 if (gameMode != TwoMachinesPlay)
9073 SetUserThinkingEnables();
9075 // [HGM] book: after book hit opponent has received move and is now in force mode
9076 // force the book reply into it, and then fake that it outputted this move by jumping
9077 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9079 static char bookMove[MSG_SIZ]; // a bit generous?
9081 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9082 strcat(bookMove, bookHit);
9085 programStats.nodes = programStats.depth = programStats.time =
9086 programStats.score = programStats.got_only_move = 0;
9087 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9089 if(cps->lastPing != cps->lastPong) {
9090 savedMessage = message; // args for deferred call
9092 ScheduleDelayedEvent(DeferredBookMove, 10);
9101 /* Set special modes for chess engines. Later something general
9102 * could be added here; for now there is just one kludge feature,
9103 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9104 * when "xboard" is given as an interactive command.
9106 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9107 cps->useSigint = FALSE;
9108 cps->useSigterm = FALSE;
9110 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9111 ParseFeatures(message+8, cps);
9112 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9115 if (!strncmp(message, "setup ", 6) &&
9116 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9117 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9118 ) { // [HGM] allow first engine to define opening position
9119 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9120 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9122 if(sscanf(message, "setup (%s", buf) == 1) {
9123 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9124 ASSIGN(appData.pieceToCharTable, buf);
9126 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9128 while(message[s] && message[s++] != ' ');
9129 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9130 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9131 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9132 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9133 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9134 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9135 startedFromSetupPosition = FALSE;
9138 if(startedFromSetupPosition) return;
9139 ParseFEN(boards[0], &dummy, message+s, FALSE);
9140 DrawPosition(TRUE, boards[0]);
9141 CopyBoard(initialPosition, boards[0]);
9142 startedFromSetupPosition = TRUE;
9145 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9146 ChessSquare piece = WhitePawn;
9147 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9148 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9149 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9150 piece += CharToPiece(ID & 255) - WhitePawn;
9151 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9152 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9153 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9154 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9155 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9156 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9157 && gameInfo.variant != VariantGreat
9158 && gameInfo.variant != VariantFairy ) return;
9159 if(piece < EmptySquare) {
9161 ASSIGN(pieceDesc[piece], buf1);
9162 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9166 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9167 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9171 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9172 * want this, I was asked to put it in, and obliged.
9174 if (!strncmp(message, "setboard ", 9)) {
9175 Board initial_position;
9177 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9179 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9180 DisplayError(_("Bad FEN received from engine"), 0);
9184 CopyBoard(boards[0], initial_position);
9185 initialRulePlies = FENrulePlies;
9186 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9187 else gameMode = MachinePlaysBlack;
9188 DrawPosition(FALSE, boards[currentMove]);
9194 * Look for communication commands
9196 if (!strncmp(message, "telluser ", 9)) {
9197 if(message[9] == '\\' && message[10] == '\\')
9198 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9200 DisplayNote(message + 9);
9203 if (!strncmp(message, "tellusererror ", 14)) {
9205 if(message[14] == '\\' && message[15] == '\\')
9206 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9208 DisplayError(message + 14, 0);
9211 if (!strncmp(message, "tellopponent ", 13)) {
9212 if (appData.icsActive) {
9214 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9218 DisplayNote(message + 13);
9222 if (!strncmp(message, "tellothers ", 11)) {
9223 if (appData.icsActive) {
9225 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9228 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9231 if (!strncmp(message, "tellall ", 8)) {
9232 if (appData.icsActive) {
9234 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9238 DisplayNote(message + 8);
9242 if (strncmp(message, "warning", 7) == 0) {
9243 /* Undocumented feature, use tellusererror in new code */
9244 DisplayError(message, 0);
9247 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9248 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9249 strcat(realname, " query");
9250 AskQuestion(realname, buf2, buf1, cps->pr);
9253 /* Commands from the engine directly to ICS. We don't allow these to be
9254 * sent until we are logged on. Crafty kibitzes have been known to
9255 * interfere with the login process.
9258 if (!strncmp(message, "tellics ", 8)) {
9259 SendToICS(message + 8);
9263 if (!strncmp(message, "tellicsnoalias ", 15)) {
9264 SendToICS(ics_prefix);
9265 SendToICS(message + 15);
9269 /* The following are for backward compatibility only */
9270 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9271 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9272 SendToICS(ics_prefix);
9278 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9279 if(initPing == cps->lastPong) {
9280 if(gameInfo.variant == VariantUnknown) {
9281 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9282 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9283 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9287 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9288 abortEngineThink = FALSE;
9289 DisplayMessage("", "");
9294 if(!strncmp(message, "highlight ", 10)) {
9295 if(appData.testLegality && !*engineVariant && appData.markers) return;
9296 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9299 if(!strncmp(message, "click ", 6)) {
9300 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9301 if(appData.testLegality || !appData.oneClick) return;
9302 sscanf(message+6, "%c%d%c", &f, &y, &c);
9303 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9304 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9305 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9306 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9307 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9308 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9309 LeftClick(Release, lastLeftX, lastLeftY);
9310 controlKey = (c == ',');
9311 LeftClick(Press, x, y);
9312 LeftClick(Release, x, y);
9313 first.highlight = f;
9317 * If the move is illegal, cancel it and redraw the board.
9318 * Also deal with other error cases. Matching is rather loose
9319 * here to accommodate engines written before the spec.
9321 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9322 strncmp(message, "Error", 5) == 0) {
9323 if (StrStr(message, "name") ||
9324 StrStr(message, "rating") || StrStr(message, "?") ||
9325 StrStr(message, "result") || StrStr(message, "board") ||
9326 StrStr(message, "bk") || StrStr(message, "computer") ||
9327 StrStr(message, "variant") || StrStr(message, "hint") ||
9328 StrStr(message, "random") || StrStr(message, "depth") ||
9329 StrStr(message, "accepted")) {
9332 if (StrStr(message, "protover")) {
9333 /* Program is responding to input, so it's apparently done
9334 initializing, and this error message indicates it is
9335 protocol version 1. So we don't need to wait any longer
9336 for it to initialize and send feature commands. */
9337 FeatureDone(cps, 1);
9338 cps->protocolVersion = 1;
9341 cps->maybeThinking = FALSE;
9343 if (StrStr(message, "draw")) {
9344 /* Program doesn't have "draw" command */
9345 cps->sendDrawOffers = 0;
9348 if (cps->sendTime != 1 &&
9349 (StrStr(message, "time") || StrStr(message, "otim"))) {
9350 /* Program apparently doesn't have "time" or "otim" command */
9354 if (StrStr(message, "analyze")) {
9355 cps->analysisSupport = FALSE;
9356 cps->analyzing = FALSE;
9357 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9358 EditGameEvent(); // [HGM] try to preserve loaded game
9359 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9360 DisplayError(buf2, 0);
9363 if (StrStr(message, "(no matching move)st")) {
9364 /* Special kludge for GNU Chess 4 only */
9365 cps->stKludge = TRUE;
9366 SendTimeControl(cps, movesPerSession, timeControl,
9367 timeIncrement, appData.searchDepth,
9371 if (StrStr(message, "(no matching move)sd")) {
9372 /* Special kludge for GNU Chess 4 only */
9373 cps->sdKludge = TRUE;
9374 SendTimeControl(cps, movesPerSession, timeControl,
9375 timeIncrement, appData.searchDepth,
9379 if (!StrStr(message, "llegal")) {
9382 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9383 gameMode == IcsIdle) return;
9384 if (forwardMostMove <= backwardMostMove) return;
9385 if (pausing) PauseEvent();
9386 if(appData.forceIllegal) {
9387 // [HGM] illegal: machine refused move; force position after move into it
9388 SendToProgram("force\n", cps);
9389 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9390 // we have a real problem now, as SendBoard will use the a2a3 kludge
9391 // when black is to move, while there might be nothing on a2 or black
9392 // might already have the move. So send the board as if white has the move.
9393 // But first we must change the stm of the engine, as it refused the last move
9394 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9395 if(WhiteOnMove(forwardMostMove)) {
9396 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9397 SendBoard(cps, forwardMostMove); // kludgeless board
9399 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9400 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9401 SendBoard(cps, forwardMostMove+1); // kludgeless board
9403 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9404 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9405 gameMode == TwoMachinesPlay)
9406 SendToProgram("go\n", cps);
9409 if (gameMode == PlayFromGameFile) {
9410 /* Stop reading this game file */
9411 gameMode = EditGame;
9414 /* [HGM] illegal-move claim should forfeit game when Xboard */
9415 /* only passes fully legal moves */
9416 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9417 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9418 "False illegal-move claim", GE_XBOARD );
9419 return; // do not take back move we tested as valid
9421 currentMove = forwardMostMove-1;
9422 DisplayMove(currentMove-1); /* before DisplayMoveError */
9423 SwitchClocks(forwardMostMove-1); // [HGM] race
9424 DisplayBothClocks();
9425 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9426 parseList[currentMove], _(cps->which));
9427 DisplayMoveError(buf1);
9428 DrawPosition(FALSE, boards[currentMove]);
9430 SetUserThinkingEnables();
9433 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9434 /* Program has a broken "time" command that
9435 outputs a string not ending in newline.
9439 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9440 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9441 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9445 * If chess program startup fails, exit with an error message.
9446 * Attempts to recover here are futile. [HGM] Well, we try anyway
9448 if ((StrStr(message, "unknown host") != NULL)
9449 || (StrStr(message, "No remote directory") != NULL)
9450 || (StrStr(message, "not found") != NULL)
9451 || (StrStr(message, "No such file") != NULL)
9452 || (StrStr(message, "can't alloc") != NULL)
9453 || (StrStr(message, "Permission denied") != NULL)) {
9455 cps->maybeThinking = FALSE;
9456 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9457 _(cps->which), cps->program, cps->host, message);
9458 RemoveInputSource(cps->isr);
9459 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9460 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9461 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9467 * Look for hint output
9469 if (sscanf(message, "Hint: %s", buf1) == 1) {
9470 if (cps == &first && hintRequested) {
9471 hintRequested = FALSE;
9472 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9473 &fromX, &fromY, &toX, &toY, &promoChar)) {
9474 (void) CoordsToAlgebraic(boards[forwardMostMove],
9475 PosFlags(forwardMostMove),
9476 fromY, fromX, toY, toX, promoChar, buf1);
9477 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9478 DisplayInformation(buf2);
9480 /* Hint move could not be parsed!? */
9481 snprintf(buf2, sizeof(buf2),
9482 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9483 buf1, _(cps->which));
9484 DisplayError(buf2, 0);
9487 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9493 * Ignore other messages if game is not in progress
9495 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9496 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9499 * look for win, lose, draw, or draw offer
9501 if (strncmp(message, "1-0", 3) == 0) {
9502 char *p, *q, *r = "";
9503 p = strchr(message, '{');
9511 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9513 } else if (strncmp(message, "0-1", 3) == 0) {
9514 char *p, *q, *r = "";
9515 p = strchr(message, '{');
9523 /* Kludge for Arasan 4.1 bug */
9524 if (strcmp(r, "Black resigns") == 0) {
9525 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9528 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9530 } else if (strncmp(message, "1/2", 3) == 0) {
9531 char *p, *q, *r = "";
9532 p = strchr(message, '{');
9541 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9544 } else if (strncmp(message, "White resign", 12) == 0) {
9545 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9547 } else if (strncmp(message, "Black resign", 12) == 0) {
9548 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9550 } else if (strncmp(message, "White matches", 13) == 0 ||
9551 strncmp(message, "Black matches", 13) == 0 ) {
9552 /* [HGM] ignore GNUShogi noises */
9554 } else if (strncmp(message, "White", 5) == 0 &&
9555 message[5] != '(' &&
9556 StrStr(message, "Black") == NULL) {
9557 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9559 } else if (strncmp(message, "Black", 5) == 0 &&
9560 message[5] != '(') {
9561 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9563 } else if (strcmp(message, "resign") == 0 ||
9564 strcmp(message, "computer resigns") == 0) {
9566 case MachinePlaysBlack:
9567 case IcsPlayingBlack:
9568 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9570 case MachinePlaysWhite:
9571 case IcsPlayingWhite:
9572 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9574 case TwoMachinesPlay:
9575 if (cps->twoMachinesColor[0] == 'w')
9576 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9578 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9585 } else if (strncmp(message, "opponent mates", 14) == 0) {
9587 case MachinePlaysBlack:
9588 case IcsPlayingBlack:
9589 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9591 case MachinePlaysWhite:
9592 case IcsPlayingWhite:
9593 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9595 case TwoMachinesPlay:
9596 if (cps->twoMachinesColor[0] == 'w')
9597 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9599 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9606 } else if (strncmp(message, "computer mates", 14) == 0) {
9608 case MachinePlaysBlack:
9609 case IcsPlayingBlack:
9610 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9612 case MachinePlaysWhite:
9613 case IcsPlayingWhite:
9614 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9616 case TwoMachinesPlay:
9617 if (cps->twoMachinesColor[0] == 'w')
9618 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9620 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9627 } else if (strncmp(message, "checkmate", 9) == 0) {
9628 if (WhiteOnMove(forwardMostMove)) {
9629 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9631 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9634 } else if (strstr(message, "Draw") != NULL ||
9635 strstr(message, "game is a draw") != NULL) {
9636 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9638 } else if (strstr(message, "offer") != NULL &&
9639 strstr(message, "draw") != NULL) {
9641 if (appData.zippyPlay && first.initDone) {
9642 /* Relay offer to ICS */
9643 SendToICS(ics_prefix);
9644 SendToICS("draw\n");
9647 cps->offeredDraw = 2; /* valid until this engine moves twice */
9648 if (gameMode == TwoMachinesPlay) {
9649 if (cps->other->offeredDraw) {
9650 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9651 /* [HGM] in two-machine mode we delay relaying draw offer */
9652 /* until after we also have move, to see if it is really claim */
9654 } else if (gameMode == MachinePlaysWhite ||
9655 gameMode == MachinePlaysBlack) {
9656 if (userOfferedDraw) {
9657 DisplayInformation(_("Machine accepts your draw offer"));
9658 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9660 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9667 * Look for thinking output
9669 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9670 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9672 int plylev, mvleft, mvtot, curscore, time;
9673 char mvname[MOVE_LEN];
9677 int prefixHint = FALSE;
9678 mvname[0] = NULLCHAR;
9681 case MachinePlaysBlack:
9682 case IcsPlayingBlack:
9683 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9685 case MachinePlaysWhite:
9686 case IcsPlayingWhite:
9687 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9692 case IcsObserving: /* [DM] icsEngineAnalyze */
9693 if (!appData.icsEngineAnalyze) ignore = TRUE;
9695 case TwoMachinesPlay:
9696 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9706 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9709 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9710 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9711 char score_buf[MSG_SIZ];
9713 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9714 nodes += u64Const(0x100000000);
9716 if (plyext != ' ' && plyext != '\t') {
9720 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9721 if( cps->scoreIsAbsolute &&
9722 ( gameMode == MachinePlaysBlack ||
9723 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9724 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9725 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9726 !WhiteOnMove(currentMove)
9729 curscore = -curscore;
9732 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9734 if(*bestMove) { // rememer time best EPD move was first found
9735 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9736 ChessMove mt; char *p = bestMove;
9737 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9739 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9740 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9741 solvingTime = (solvingTime < 0 ? time : solvingTime);
9745 while(*p && *p != ' ') p++;
9746 while(*p == ' ') p++;
9748 if(!solved) solvingTime = -1;
9750 if(*avoidMove && !solved) {
9751 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9752 ChessMove mt; char *p = avoidMove, solved = 1;
9753 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9754 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9755 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9756 solved = 0; solvingTime = -2;
9759 while(*p && *p != ' ') p++;
9760 while(*p == ' ') p++;
9762 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9765 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9768 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9769 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9770 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9771 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9772 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9773 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9777 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9778 DisplayError(_("failed writing PV"), 0);
9781 tempStats.depth = plylev;
9782 tempStats.nodes = nodes;
9783 tempStats.time = time;
9784 tempStats.score = curscore;
9785 tempStats.got_only_move = 0;
9787 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9790 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9791 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9792 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9793 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9794 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9795 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9796 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9797 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9800 /* Buffer overflow protection */
9801 if (pv[0] != NULLCHAR) {
9802 if (strlen(pv) >= sizeof(tempStats.movelist)
9803 && appData.debugMode) {
9805 "PV is too long; using the first %u bytes.\n",
9806 (unsigned) sizeof(tempStats.movelist) - 1);
9809 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9811 sprintf(tempStats.movelist, " no PV\n");
9814 if (tempStats.seen_stat) {
9815 tempStats.ok_to_send = 1;
9818 if (strchr(tempStats.movelist, '(') != NULL) {
9819 tempStats.line_is_book = 1;
9820 tempStats.nr_moves = 0;
9821 tempStats.moves_left = 0;
9823 tempStats.line_is_book = 0;
9826 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9827 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9829 SendProgramStatsToFrontend( cps, &tempStats );
9832 [AS] Protect the thinkOutput buffer from overflow... this
9833 is only useful if buf1 hasn't overflowed first!
9835 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9836 if(curscore >= MATE_SCORE)
9837 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9838 else if(curscore <= -MATE_SCORE)
9839 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9841 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9842 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9844 (gameMode == TwoMachinesPlay ?
9845 ToUpper(cps->twoMachinesColor[0]) : ' '),
9847 prefixHint ? lastHint : "",
9848 prefixHint ? " " : "" );
9850 if( buf1[0] != NULLCHAR ) {
9851 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9853 if( strlen(pv) > max_len ) {
9854 if( appData.debugMode) {
9855 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9857 pv[max_len+1] = '\0';
9860 strcat( thinkOutput, pv);
9863 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9864 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9865 DisplayMove(currentMove - 1);
9869 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9870 /* crafty (9.25+) says "(only move) <move>"
9871 * if there is only 1 legal move
9873 sscanf(p, "(only move) %s", buf1);
9874 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9875 sprintf(programStats.movelist, "%s (only move)", buf1);
9876 programStats.depth = 1;
9877 programStats.nr_moves = 1;
9878 programStats.moves_left = 1;
9879 programStats.nodes = 1;
9880 programStats.time = 1;
9881 programStats.got_only_move = 1;
9883 /* Not really, but we also use this member to
9884 mean "line isn't going to change" (Crafty
9885 isn't searching, so stats won't change) */
9886 programStats.line_is_book = 1;
9888 SendProgramStatsToFrontend( cps, &programStats );
9890 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9891 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9892 DisplayMove(currentMove - 1);
9895 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9896 &time, &nodes, &plylev, &mvleft,
9897 &mvtot, mvname) >= 5) {
9898 /* The stat01: line is from Crafty (9.29+) in response
9899 to the "." command */
9900 programStats.seen_stat = 1;
9901 cps->maybeThinking = TRUE;
9903 if (programStats.got_only_move || !appData.periodicUpdates)
9906 programStats.depth = plylev;
9907 programStats.time = time;
9908 programStats.nodes = nodes;
9909 programStats.moves_left = mvleft;
9910 programStats.nr_moves = mvtot;
9911 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9912 programStats.ok_to_send = 1;
9913 programStats.movelist[0] = '\0';
9915 SendProgramStatsToFrontend( cps, &programStats );
9919 } else if (strncmp(message,"++",2) == 0) {
9920 /* Crafty 9.29+ outputs this */
9921 programStats.got_fail = 2;
9924 } else if (strncmp(message,"--",2) == 0) {
9925 /* Crafty 9.29+ outputs this */
9926 programStats.got_fail = 1;
9929 } else if (thinkOutput[0] != NULLCHAR &&
9930 strncmp(message, " ", 4) == 0) {
9931 unsigned message_len;
9934 while (*p && *p == ' ') p++;
9936 message_len = strlen( p );
9938 /* [AS] Avoid buffer overflow */
9939 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9940 strcat(thinkOutput, " ");
9941 strcat(thinkOutput, p);
9944 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9945 strcat(programStats.movelist, " ");
9946 strcat(programStats.movelist, p);
9949 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9950 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9951 DisplayMove(currentMove - 1);
9959 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9960 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9962 ChessProgramStats cpstats;
9964 if (plyext != ' ' && plyext != '\t') {
9968 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9969 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9970 curscore = -curscore;
9973 cpstats.depth = plylev;
9974 cpstats.nodes = nodes;
9975 cpstats.time = time;
9976 cpstats.score = curscore;
9977 cpstats.got_only_move = 0;
9978 cpstats.movelist[0] = '\0';
9980 if (buf1[0] != NULLCHAR) {
9981 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9984 cpstats.ok_to_send = 0;
9985 cpstats.line_is_book = 0;
9986 cpstats.nr_moves = 0;
9987 cpstats.moves_left = 0;
9989 SendProgramStatsToFrontend( cps, &cpstats );
9996 /* Parse a game score from the character string "game", and
9997 record it as the history of the current game. The game
9998 score is NOT assumed to start from the standard position.
9999 The display is not updated in any way.
10002 ParseGameHistory (char *game)
10004 ChessMove moveType;
10005 int fromX, fromY, toX, toY, boardIndex;
10010 if (appData.debugMode)
10011 fprintf(debugFP, "Parsing game history: %s\n", game);
10013 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10014 gameInfo.site = StrSave(appData.icsHost);
10015 gameInfo.date = PGNDate();
10016 gameInfo.round = StrSave("-");
10018 /* Parse out names of players */
10019 while (*game == ' ') game++;
10021 while (*game != ' ') *p++ = *game++;
10023 gameInfo.white = StrSave(buf);
10024 while (*game == ' ') game++;
10026 while (*game != ' ' && *game != '\n') *p++ = *game++;
10028 gameInfo.black = StrSave(buf);
10031 boardIndex = blackPlaysFirst ? 1 : 0;
10034 yyboardindex = boardIndex;
10035 moveType = (ChessMove) Myylex();
10036 switch (moveType) {
10037 case IllegalMove: /* maybe suicide chess, etc. */
10038 if (appData.debugMode) {
10039 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10040 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10041 setbuf(debugFP, NULL);
10043 case WhitePromotion:
10044 case BlackPromotion:
10045 case WhiteNonPromotion:
10046 case BlackNonPromotion:
10049 case WhiteCapturesEnPassant:
10050 case BlackCapturesEnPassant:
10051 case WhiteKingSideCastle:
10052 case WhiteQueenSideCastle:
10053 case BlackKingSideCastle:
10054 case BlackQueenSideCastle:
10055 case WhiteKingSideCastleWild:
10056 case WhiteQueenSideCastleWild:
10057 case BlackKingSideCastleWild:
10058 case BlackQueenSideCastleWild:
10060 case WhiteHSideCastleFR:
10061 case WhiteASideCastleFR:
10062 case BlackHSideCastleFR:
10063 case BlackASideCastleFR:
10065 fromX = currentMoveString[0] - AAA;
10066 fromY = currentMoveString[1] - ONE;
10067 toX = currentMoveString[2] - AAA;
10068 toY = currentMoveString[3] - ONE;
10069 promoChar = currentMoveString[4];
10073 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10074 fromX = moveType == WhiteDrop ?
10075 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10076 (int) CharToPiece(ToLower(currentMoveString[0]));
10078 toX = currentMoveString[2] - AAA;
10079 toY = currentMoveString[3] - ONE;
10080 promoChar = NULLCHAR;
10082 case AmbiguousMove:
10084 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10085 if (appData.debugMode) {
10086 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10087 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10088 setbuf(debugFP, NULL);
10090 DisplayError(buf, 0);
10092 case ImpossibleMove:
10094 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10095 if (appData.debugMode) {
10096 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10097 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10098 setbuf(debugFP, NULL);
10100 DisplayError(buf, 0);
10103 if (boardIndex < backwardMostMove) {
10104 /* Oops, gap. How did that happen? */
10105 DisplayError(_("Gap in move list"), 0);
10108 backwardMostMove = blackPlaysFirst ? 1 : 0;
10109 if (boardIndex > forwardMostMove) {
10110 forwardMostMove = boardIndex;
10114 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10115 strcat(parseList[boardIndex-1], " ");
10116 strcat(parseList[boardIndex-1], yy_text);
10128 case GameUnfinished:
10129 if (gameMode == IcsExamining) {
10130 if (boardIndex < backwardMostMove) {
10131 /* Oops, gap. How did that happen? */
10134 backwardMostMove = blackPlaysFirst ? 1 : 0;
10137 gameInfo.result = moveType;
10138 p = strchr(yy_text, '{');
10139 if (p == NULL) p = strchr(yy_text, '(');
10142 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10144 q = strchr(p, *p == '{' ? '}' : ')');
10145 if (q != NULL) *q = NULLCHAR;
10148 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10149 gameInfo.resultDetails = StrSave(p);
10152 if (boardIndex >= forwardMostMove &&
10153 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10154 backwardMostMove = blackPlaysFirst ? 1 : 0;
10157 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10158 fromY, fromX, toY, toX, promoChar,
10159 parseList[boardIndex]);
10160 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10161 /* currentMoveString is set as a side-effect of yylex */
10162 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10163 strcat(moveList[boardIndex], "\n");
10165 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10166 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10172 if(!IS_SHOGI(gameInfo.variant))
10173 strcat(parseList[boardIndex - 1], "+");
10177 strcat(parseList[boardIndex - 1], "#");
10184 /* Apply a move to the given board */
10186 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10188 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10189 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10191 /* [HGM] compute & store e.p. status and castling rights for new position */
10192 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10194 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10195 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10196 board[EP_STATUS] = EP_NONE;
10197 board[EP_FILE] = board[EP_RANK] = 100;
10199 if (fromY == DROP_RANK) {
10200 /* must be first */
10201 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10202 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10205 piece = board[toY][toX] = (ChessSquare) fromX;
10207 // ChessSquare victim;
10210 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10211 // victim = board[killY][killX],
10212 killed = board[killY][killX],
10213 board[killY][killX] = EmptySquare,
10214 board[EP_STATUS] = EP_CAPTURE;
10215 if( kill2X >= 0 && kill2Y >= 0)
10216 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10219 if( board[toY][toX] != EmptySquare ) {
10220 board[EP_STATUS] = EP_CAPTURE;
10221 if( (fromX != toX || fromY != toY) && // not igui!
10222 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10223 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10224 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10228 pawn = board[fromY][fromX];
10229 if( pawn == WhiteLance || pawn == BlackLance ) {
10230 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10231 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10232 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10235 if( pawn == WhitePawn ) {
10236 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10237 board[EP_STATUS] = EP_PAWN_MOVE;
10238 if( toY-fromY>=2) {
10239 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10240 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10241 gameInfo.variant != VariantBerolina || toX < fromX)
10242 board[EP_STATUS] = toX | berolina;
10243 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10244 gameInfo.variant != VariantBerolina || toX > fromX)
10245 board[EP_STATUS] = toX;
10248 if( pawn == BlackPawn ) {
10249 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10250 board[EP_STATUS] = EP_PAWN_MOVE;
10251 if( toY-fromY<= -2) {
10252 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10253 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10254 gameInfo.variant != VariantBerolina || toX < fromX)
10255 board[EP_STATUS] = toX | berolina;
10256 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10257 gameInfo.variant != VariantBerolina || toX > fromX)
10258 board[EP_STATUS] = toX;
10262 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10263 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10264 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10265 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10267 for(i=0; i<nrCastlingRights; i++) {
10268 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10269 board[CASTLING][i] == toX && castlingRank[i] == toY
10270 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10273 if(gameInfo.variant == VariantSChess) { // update virginity
10274 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10275 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10276 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10277 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10280 if (fromX == toX && fromY == toY && killX < 0) return;
10282 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10283 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10284 if(gameInfo.variant == VariantKnightmate)
10285 king += (int) WhiteUnicorn - (int) WhiteKing;
10287 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10288 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10289 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10290 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10291 board[EP_STATUS] = EP_NONE; // capture was fake!
10293 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10294 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10295 board[toY][toX] = piece;
10296 board[EP_STATUS] = EP_NONE; // capture was fake!
10298 /* Code added by Tord: */
10299 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10300 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10301 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10302 board[EP_STATUS] = EP_NONE; // capture was fake!
10303 board[fromY][fromX] = EmptySquare;
10304 board[toY][toX] = EmptySquare;
10305 if((toX > fromX) != (piece == WhiteRook)) {
10306 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10308 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10310 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10311 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10312 board[EP_STATUS] = EP_NONE;
10313 board[fromY][fromX] = EmptySquare;
10314 board[toY][toX] = EmptySquare;
10315 if((toX > fromX) != (piece == BlackRook)) {
10316 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10318 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10320 /* End of code added by Tord */
10322 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10323 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10324 board[toY][toX] = piece;
10325 } else if (board[fromY][fromX] == king
10326 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10327 && toY == fromY && toX > fromX+1) {
10328 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10329 ; // castle with nearest piece
10330 board[fromY][toX-1] = board[fromY][rookX];
10331 board[fromY][rookX] = EmptySquare;
10332 board[fromY][fromX] = EmptySquare;
10333 board[toY][toX] = king;
10334 } else if (board[fromY][fromX] == king
10335 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10336 && toY == fromY && toX < fromX-1) {
10337 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10338 ; // castle with nearest piece
10339 board[fromY][toX+1] = board[fromY][rookX];
10340 board[fromY][rookX] = EmptySquare;
10341 board[fromY][fromX] = EmptySquare;
10342 board[toY][toX] = king;
10343 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10344 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10345 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10347 /* white pawn promotion */
10348 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10349 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10350 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10351 board[fromY][fromX] = EmptySquare;
10352 } else if ((fromY >= BOARD_HEIGHT>>1)
10353 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10355 && gameInfo.variant != VariantXiangqi
10356 && gameInfo.variant != VariantBerolina
10357 && (pawn == WhitePawn)
10358 && (board[toY][toX] == EmptySquare)) {
10359 board[fromY][fromX] = EmptySquare;
10360 board[toY][toX] = piece;
10361 if(toY == epRank - 128 + 1)
10362 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10364 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10365 } else if ((fromY == BOARD_HEIGHT-4)
10367 && gameInfo.variant == VariantBerolina
10368 && (board[fromY][fromX] == WhitePawn)
10369 && (board[toY][toX] == EmptySquare)) {
10370 board[fromY][fromX] = EmptySquare;
10371 board[toY][toX] = WhitePawn;
10372 if(oldEP & EP_BEROLIN_A) {
10373 captured = board[fromY][fromX-1];
10374 board[fromY][fromX-1] = EmptySquare;
10375 }else{ captured = board[fromY][fromX+1];
10376 board[fromY][fromX+1] = EmptySquare;
10378 } else if (board[fromY][fromX] == king
10379 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10380 && toY == fromY && toX > fromX+1) {
10381 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10383 board[fromY][toX-1] = board[fromY][rookX];
10384 board[fromY][rookX] = EmptySquare;
10385 board[fromY][fromX] = EmptySquare;
10386 board[toY][toX] = king;
10387 } else if (board[fromY][fromX] == king
10388 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10389 && toY == fromY && toX < fromX-1) {
10390 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10392 board[fromY][toX+1] = board[fromY][rookX];
10393 board[fromY][rookX] = EmptySquare;
10394 board[fromY][fromX] = EmptySquare;
10395 board[toY][toX] = king;
10396 } else if (fromY == 7 && fromX == 3
10397 && board[fromY][fromX] == BlackKing
10398 && toY == 7 && toX == 5) {
10399 board[fromY][fromX] = EmptySquare;
10400 board[toY][toX] = BlackKing;
10401 board[fromY][7] = EmptySquare;
10402 board[toY][4] = BlackRook;
10403 } else if (fromY == 7 && fromX == 3
10404 && board[fromY][fromX] == BlackKing
10405 && toY == 7 && toX == 1) {
10406 board[fromY][fromX] = EmptySquare;
10407 board[toY][toX] = BlackKing;
10408 board[fromY][0] = EmptySquare;
10409 board[toY][2] = BlackRook;
10410 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10411 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10412 && toY < promoRank && promoChar
10414 /* black pawn promotion */
10415 board[toY][toX] = CharToPiece(ToLower(promoChar));
10416 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10417 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10418 board[fromY][fromX] = EmptySquare;
10419 } else if ((fromY < BOARD_HEIGHT>>1)
10420 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10422 && gameInfo.variant != VariantXiangqi
10423 && gameInfo.variant != VariantBerolina
10424 && (pawn == BlackPawn)
10425 && (board[toY][toX] == EmptySquare)) {
10426 board[fromY][fromX] = EmptySquare;
10427 board[toY][toX] = piece;
10428 if(toY == epRank - 128 - 1)
10429 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10431 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10432 } else if ((fromY == 3)
10434 && gameInfo.variant == VariantBerolina
10435 && (board[fromY][fromX] == BlackPawn)
10436 && (board[toY][toX] == EmptySquare)) {
10437 board[fromY][fromX] = EmptySquare;
10438 board[toY][toX] = BlackPawn;
10439 if(oldEP & EP_BEROLIN_A) {
10440 captured = board[fromY][fromX-1];
10441 board[fromY][fromX-1] = EmptySquare;
10442 }else{ captured = board[fromY][fromX+1];
10443 board[fromY][fromX+1] = EmptySquare;
10446 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10447 board[fromY][fromX] = EmptySquare;
10448 board[toY][toX] = piece;
10452 if (gameInfo.holdingsWidth != 0) {
10454 /* !!A lot more code needs to be written to support holdings */
10455 /* [HGM] OK, so I have written it. Holdings are stored in the */
10456 /* penultimate board files, so they are automaticlly stored */
10457 /* in the game history. */
10458 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10459 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10460 /* Delete from holdings, by decreasing count */
10461 /* and erasing image if necessary */
10462 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10463 if(p < (int) BlackPawn) { /* white drop */
10464 p -= (int)WhitePawn;
10465 p = PieceToNumber((ChessSquare)p);
10466 if(p >= gameInfo.holdingsSize) p = 0;
10467 if(--board[p][BOARD_WIDTH-2] <= 0)
10468 board[p][BOARD_WIDTH-1] = EmptySquare;
10469 if((int)board[p][BOARD_WIDTH-2] < 0)
10470 board[p][BOARD_WIDTH-2] = 0;
10471 } else { /* black drop */
10472 p -= (int)BlackPawn;
10473 p = PieceToNumber((ChessSquare)p);
10474 if(p >= gameInfo.holdingsSize) p = 0;
10475 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10476 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10477 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10478 board[BOARD_HEIGHT-1-p][1] = 0;
10481 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10482 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10483 /* [HGM] holdings: Add to holdings, if holdings exist */
10484 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10485 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10486 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10488 p = (int) captured;
10489 if (p >= (int) BlackPawn) {
10490 p -= (int)BlackPawn;
10491 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10492 /* Restore shogi-promoted piece to its original first */
10493 captured = (ChessSquare) (DEMOTED(captured));
10496 p = PieceToNumber((ChessSquare)p);
10497 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10498 board[p][BOARD_WIDTH-2]++;
10499 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10501 p -= (int)WhitePawn;
10502 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10503 captured = (ChessSquare) (DEMOTED(captured));
10506 p = PieceToNumber((ChessSquare)p);
10507 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10508 board[BOARD_HEIGHT-1-p][1]++;
10509 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10512 } else if (gameInfo.variant == VariantAtomic) {
10513 if (captured != EmptySquare) {
10515 for (y = toY-1; y <= toY+1; y++) {
10516 for (x = toX-1; x <= toX+1; x++) {
10517 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10518 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10519 board[y][x] = EmptySquare;
10523 board[toY][toX] = EmptySquare;
10527 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10528 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10530 if(promoChar == '+') {
10531 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10532 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10533 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10534 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10535 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10536 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10537 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10538 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10539 board[toY][toX] = newPiece;
10541 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10542 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10543 // [HGM] superchess: take promotion piece out of holdings
10544 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10545 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10546 if(!--board[k][BOARD_WIDTH-2])
10547 board[k][BOARD_WIDTH-1] = EmptySquare;
10549 if(!--board[BOARD_HEIGHT-1-k][1])
10550 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10555 /* Updates forwardMostMove */
10557 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10559 int x = toX, y = toY;
10560 char *s = parseList[forwardMostMove];
10561 ChessSquare p = boards[forwardMostMove][toY][toX];
10562 // forwardMostMove++; // [HGM] bare: moved downstream
10564 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10565 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10566 (void) CoordsToAlgebraic(boards[forwardMostMove],
10567 PosFlags(forwardMostMove),
10568 fromY, fromX, y, x, (killX < 0)*promoChar,
10570 if(kill2X >= 0 && kill2Y >= 0)
10571 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10572 if(killX >= 0 && killY >= 0)
10573 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10574 toX + AAA, toY + ONE - '0', promoChar);
10576 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10577 int timeLeft; static int lastLoadFlag=0; int king, piece;
10578 piece = boards[forwardMostMove][fromY][fromX];
10579 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10580 if(gameInfo.variant == VariantKnightmate)
10581 king += (int) WhiteUnicorn - (int) WhiteKing;
10582 if(forwardMostMove == 0) {
10583 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10584 fprintf(serverMoves, "%s;", UserName());
10585 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10586 fprintf(serverMoves, "%s;", second.tidy);
10587 fprintf(serverMoves, "%s;", first.tidy);
10588 if(gameMode == MachinePlaysWhite)
10589 fprintf(serverMoves, "%s;", UserName());
10590 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10591 fprintf(serverMoves, "%s;", second.tidy);
10592 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10593 lastLoadFlag = loadFlag;
10595 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10596 // print castling suffix
10597 if( toY == fromY && piece == king ) {
10599 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10601 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10604 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10605 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10606 boards[forwardMostMove][toY][toX] == EmptySquare
10607 && fromX != toX && fromY != toY)
10608 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10609 // promotion suffix
10610 if(promoChar != NULLCHAR) {
10611 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10612 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10613 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10614 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10617 char buf[MOVE_LEN*2], *p; int len;
10618 fprintf(serverMoves, "/%d/%d",
10619 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10620 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10621 else timeLeft = blackTimeRemaining/1000;
10622 fprintf(serverMoves, "/%d", timeLeft);
10623 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10624 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10625 if(p = strchr(buf, '=')) *p = NULLCHAR;
10626 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10627 fprintf(serverMoves, "/%s", buf);
10629 fflush(serverMoves);
10632 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10633 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10636 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10637 if (commentList[forwardMostMove+1] != NULL) {
10638 free(commentList[forwardMostMove+1]);
10639 commentList[forwardMostMove+1] = NULL;
10641 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10642 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10643 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10644 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10645 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10646 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10647 adjustedClock = FALSE;
10648 gameInfo.result = GameUnfinished;
10649 if (gameInfo.resultDetails != NULL) {
10650 free(gameInfo.resultDetails);
10651 gameInfo.resultDetails = NULL;
10653 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10654 moveList[forwardMostMove - 1]);
10655 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10661 if(!IS_SHOGI(gameInfo.variant))
10662 strcat(parseList[forwardMostMove - 1], "+");
10666 strcat(parseList[forwardMostMove - 1], "#");
10671 /* Updates currentMove if not pausing */
10673 ShowMove (int fromX, int fromY, int toX, int toY)
10675 int instant = (gameMode == PlayFromGameFile) ?
10676 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10677 if(appData.noGUI) return;
10678 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10680 if (forwardMostMove == currentMove + 1) {
10681 AnimateMove(boards[forwardMostMove - 1],
10682 fromX, fromY, toX, toY);
10685 currentMove = forwardMostMove;
10688 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10690 if (instant) return;
10692 DisplayMove(currentMove - 1);
10693 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10694 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10695 SetHighlights(fromX, fromY, toX, toY);
10698 DrawPosition(FALSE, boards[currentMove]);
10699 DisplayBothClocks();
10700 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10704 SendEgtPath (ChessProgramState *cps)
10705 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10706 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10708 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10711 char c, *q = name+1, *r, *s;
10713 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10714 while(*p && *p != ',') *q++ = *p++;
10715 *q++ = ':'; *q = 0;
10716 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10717 strcmp(name, ",nalimov:") == 0 ) {
10718 // take nalimov path from the menu-changeable option first, if it is defined
10719 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10720 SendToProgram(buf,cps); // send egtbpath command for nalimov
10722 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10723 (s = StrStr(appData.egtFormats, name)) != NULL) {
10724 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10725 s = r = StrStr(s, ":") + 1; // beginning of path info
10726 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10727 c = *r; *r = 0; // temporarily null-terminate path info
10728 *--q = 0; // strip of trailig ':' from name
10729 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10731 SendToProgram(buf,cps); // send egtbpath command for this format
10733 if(*p == ',') p++; // read away comma to position for next format name
10738 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10740 int width = 8, height = 8, holdings = 0; // most common sizes
10741 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10742 // correct the deviations default for each variant
10743 if( v == VariantXiangqi ) width = 9, height = 10;
10744 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10745 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10746 if( v == VariantCapablanca || v == VariantCapaRandom ||
10747 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10749 if( v == VariantCourier ) width = 12;
10750 if( v == VariantSuper ) holdings = 8;
10751 if( v == VariantGreat ) width = 10, holdings = 8;
10752 if( v == VariantSChess ) holdings = 7;
10753 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10754 if( v == VariantChuChess) width = 10, height = 10;
10755 if( v == VariantChu ) width = 12, height = 12;
10756 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10757 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10758 holdingsSize >= 0 && holdingsSize != holdings;
10761 char variantError[MSG_SIZ];
10764 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10765 { // returns error message (recognizable by upper-case) if engine does not support the variant
10766 char *p, *variant = VariantName(v);
10767 static char b[MSG_SIZ];
10768 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10769 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10770 holdingsSize, variant); // cook up sized variant name
10771 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10772 if(StrStr(list, b) == NULL) {
10773 // specific sized variant not known, check if general sizing allowed
10774 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10775 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10776 boardWidth, boardHeight, holdingsSize, engine);
10779 /* [HGM] here we really should compare with the maximum supported board size */
10781 } else snprintf(b, MSG_SIZ,"%s", variant);
10782 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10783 p = StrStr(list, b);
10784 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10786 // occurs not at all in list, or only as sub-string
10787 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10788 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10789 int l = strlen(variantError);
10791 while(p != list && p[-1] != ',') p--;
10792 q = strchr(p, ',');
10793 if(q) *q = NULLCHAR;
10794 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10803 InitChessProgram (ChessProgramState *cps, int setup)
10804 /* setup needed to setup FRC opening position */
10806 char buf[MSG_SIZ], *b;
10807 if (appData.noChessProgram) return;
10808 hintRequested = FALSE;
10809 bookRequested = FALSE;
10811 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10812 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10813 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10814 if(cps->memSize) { /* [HGM] memory */
10815 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10816 SendToProgram(buf, cps);
10818 SendEgtPath(cps); /* [HGM] EGT */
10819 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10820 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10821 SendToProgram(buf, cps);
10824 setboardSpoiledMachineBlack = FALSE;
10825 SendToProgram(cps->initString, cps);
10826 if (gameInfo.variant != VariantNormal &&
10827 gameInfo.variant != VariantLoadable
10828 /* [HGM] also send variant if board size non-standard */
10829 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10831 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10832 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10836 char c, *q = cps->variants, *p = strchr(q, ',');
10837 if(p) *p = NULLCHAR;
10838 v = StringToVariant(q);
10839 DisplayError(variantError, 0);
10840 if(v != VariantUnknown && cps == &first) {
10842 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10843 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10844 ASSIGN(appData.variant, q);
10845 Reset(TRUE, FALSE);
10851 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10852 SendToProgram(buf, cps);
10854 currentlyInitializedVariant = gameInfo.variant;
10856 /* [HGM] send opening position in FRC to first engine */
10858 SendToProgram("force\n", cps);
10860 /* engine is now in force mode! Set flag to wake it up after first move. */
10861 setboardSpoiledMachineBlack = 1;
10864 if (cps->sendICS) {
10865 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10866 SendToProgram(buf, cps);
10868 cps->maybeThinking = FALSE;
10869 cps->offeredDraw = 0;
10870 if (!appData.icsActive) {
10871 SendTimeControl(cps, movesPerSession, timeControl,
10872 timeIncrement, appData.searchDepth,
10875 if (appData.showThinking
10876 // [HGM] thinking: four options require thinking output to be sent
10877 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10879 SendToProgram("post\n", cps);
10881 SendToProgram("hard\n", cps);
10882 if (!appData.ponderNextMove) {
10883 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10884 it without being sure what state we are in first. "hard"
10885 is not a toggle, so that one is OK.
10887 SendToProgram("easy\n", cps);
10889 if (cps->usePing) {
10890 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10891 SendToProgram(buf, cps);
10893 cps->initDone = TRUE;
10894 ClearEngineOutputPane(cps == &second);
10899 ResendOptions (ChessProgramState *cps)
10900 { // send the stored value of the options
10903 Option *opt = cps->option;
10904 for(i=0; i<cps->nrOptions; i++, opt++) {
10905 switch(opt->type) {
10909 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10912 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10915 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10921 SendToProgram(buf, cps);
10926 StartChessProgram (ChessProgramState *cps)
10931 if (appData.noChessProgram) return;
10932 cps->initDone = FALSE;
10934 if (strcmp(cps->host, "localhost") == 0) {
10935 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10936 } else if (*appData.remoteShell == NULLCHAR) {
10937 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10939 if (*appData.remoteUser == NULLCHAR) {
10940 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10943 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10944 cps->host, appData.remoteUser, cps->program);
10946 err = StartChildProcess(buf, "", &cps->pr);
10950 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10951 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10952 if(cps != &first) return;
10953 appData.noChessProgram = TRUE;
10956 // DisplayFatalError(buf, err, 1);
10957 // cps->pr = NoProc;
10958 // cps->isr = NULL;
10962 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10963 if (cps->protocolVersion > 1) {
10964 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10965 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10966 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10967 cps->comboCnt = 0; // and values of combo boxes
10969 SendToProgram(buf, cps);
10970 if(cps->reload) ResendOptions(cps);
10972 SendToProgram("xboard\n", cps);
10977 TwoMachinesEventIfReady P((void))
10979 static int curMess = 0;
10980 if (first.lastPing != first.lastPong) {
10981 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10982 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10985 if (second.lastPing != second.lastPong) {
10986 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10987 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10990 DisplayMessage("", ""); curMess = 0;
10991 TwoMachinesEvent();
10995 MakeName (char *template)
10999 static char buf[MSG_SIZ];
11003 clock = time((time_t *)NULL);
11004 tm = localtime(&clock);
11006 while(*p++ = *template++) if(p[-1] == '%') {
11007 switch(*template++) {
11008 case 0: *p = 0; return buf;
11009 case 'Y': i = tm->tm_year+1900; break;
11010 case 'y': i = tm->tm_year-100; break;
11011 case 'M': i = tm->tm_mon+1; break;
11012 case 'd': i = tm->tm_mday; break;
11013 case 'h': i = tm->tm_hour; break;
11014 case 'm': i = tm->tm_min; break;
11015 case 's': i = tm->tm_sec; break;
11018 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11024 CountPlayers (char *p)
11027 while(p = strchr(p, '\n')) p++, n++; // count participants
11032 WriteTourneyFile (char *results, FILE *f)
11033 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11034 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11035 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11036 // create a file with tournament description
11037 fprintf(f, "-participants {%s}\n", appData.participants);
11038 fprintf(f, "-seedBase %d\n", appData.seedBase);
11039 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11040 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11041 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11042 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11043 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11044 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11045 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11046 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11047 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11048 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11049 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11050 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11051 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11052 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11053 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11054 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11055 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11056 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11057 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11058 fprintf(f, "-smpCores %d\n", appData.smpCores);
11060 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11062 fprintf(f, "-mps %d\n", appData.movesPerSession);
11063 fprintf(f, "-tc %s\n", appData.timeControl);
11064 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11066 fprintf(f, "-results \"%s\"\n", results);
11071 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11074 Substitute (char *participants, int expunge)
11076 int i, changed, changes=0, nPlayers=0;
11077 char *p, *q, *r, buf[MSG_SIZ];
11078 if(participants == NULL) return;
11079 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11080 r = p = participants; q = appData.participants;
11081 while(*p && *p == *q) {
11082 if(*p == '\n') r = p+1, nPlayers++;
11085 if(*p) { // difference
11086 while(*p && *p++ != '\n')
11088 while(*q && *q++ != '\n')
11090 changed = nPlayers;
11091 changes = 1 + (strcmp(p, q) != 0);
11093 if(changes == 1) { // a single engine mnemonic was changed
11094 q = r; while(*q) nPlayers += (*q++ == '\n');
11095 p = buf; while(*r && (*p = *r++) != '\n') p++;
11097 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11098 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11099 if(mnemonic[i]) { // The substitute is valid
11101 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11102 flock(fileno(f), LOCK_EX);
11103 ParseArgsFromFile(f);
11104 fseek(f, 0, SEEK_SET);
11105 FREE(appData.participants); appData.participants = participants;
11106 if(expunge) { // erase results of replaced engine
11107 int len = strlen(appData.results), w, b, dummy;
11108 for(i=0; i<len; i++) {
11109 Pairing(i, nPlayers, &w, &b, &dummy);
11110 if((w == changed || b == changed) && appData.results[i] == '*') {
11111 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11116 for(i=0; i<len; i++) {
11117 Pairing(i, nPlayers, &w, &b, &dummy);
11118 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11121 WriteTourneyFile(appData.results, f);
11122 fclose(f); // release lock
11125 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11127 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11128 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11129 free(participants);
11134 CheckPlayers (char *participants)
11137 char buf[MSG_SIZ], *p;
11138 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11139 while(p = strchr(participants, '\n')) {
11141 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11143 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11145 DisplayError(buf, 0);
11149 participants = p + 1;
11155 CreateTourney (char *name)
11158 if(matchMode && strcmp(name, appData.tourneyFile)) {
11159 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11161 if(name[0] == NULLCHAR) {
11162 if(appData.participants[0])
11163 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11166 f = fopen(name, "r");
11167 if(f) { // file exists
11168 ASSIGN(appData.tourneyFile, name);
11169 ParseArgsFromFile(f); // parse it
11171 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11172 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11173 DisplayError(_("Not enough participants"), 0);
11176 if(CheckPlayers(appData.participants)) return 0;
11177 ASSIGN(appData.tourneyFile, name);
11178 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11179 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11182 appData.noChessProgram = FALSE;
11183 appData.clockMode = TRUE;
11189 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11191 char buf[MSG_SIZ], *p, *q;
11192 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11193 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11194 skip = !all && group[0]; // if group requested, we start in skip mode
11195 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11196 p = names; q = buf; header = 0;
11197 while(*p && *p != '\n') *q++ = *p++;
11199 if(*p == '\n') p++;
11200 if(buf[0] == '#') {
11201 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11202 depth++; // we must be entering a new group
11203 if(all) continue; // suppress printing group headers when complete list requested
11205 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11207 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11208 if(engineList[i]) free(engineList[i]);
11209 engineList[i] = strdup(buf);
11210 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11211 if(engineMnemonic[i]) free(engineMnemonic[i]);
11212 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11214 sscanf(q + 8, "%s", buf + strlen(buf));
11217 engineMnemonic[i] = strdup(buf);
11220 engineList[i] = engineMnemonic[i] = NULL;
11224 // following implemented as macro to avoid type limitations
11225 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11228 SwapEngines (int n)
11229 { // swap settings for first engine and other engine (so far only some selected options)
11234 SWAP(chessProgram, p)
11236 SWAP(hasOwnBookUCI, h)
11237 SWAP(protocolVersion, h)
11239 SWAP(scoreIsAbsolute, h)
11244 SWAP(engOptions, p)
11245 SWAP(engInitString, p)
11246 SWAP(computerString, p)
11248 SWAP(fenOverride, p)
11250 SWAP(accumulateTC, h)
11257 GetEngineLine (char *s, int n)
11261 extern char *icsNames;
11262 if(!s || !*s) return 0;
11263 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11264 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11265 if(!mnemonic[i]) return 0;
11266 if(n == 11) return 1; // just testing if there was a match
11267 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11268 if(n == 1) SwapEngines(n);
11269 ParseArgsFromString(buf);
11270 if(n == 1) SwapEngines(n);
11271 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11272 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11273 ParseArgsFromString(buf);
11279 SetPlayer (int player, char *p)
11280 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11282 char buf[MSG_SIZ], *engineName;
11283 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11284 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11285 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11287 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11288 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11289 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11290 ParseArgsFromString(buf);
11291 } else { // no engine with this nickname is installed!
11292 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11293 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11294 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11296 DisplayError(buf, 0);
11303 char *recentEngines;
11306 RecentEngineEvent (int nr)
11309 // SwapEngines(1); // bump first to second
11310 // ReplaceEngine(&second, 1); // and load it there
11311 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11312 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11313 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11314 ReplaceEngine(&first, 0);
11315 FloatToFront(&appData.recentEngineList, command[n]);
11320 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11321 { // determine players from game number
11322 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11324 if(appData.tourneyType == 0) {
11325 roundsPerCycle = (nPlayers - 1) | 1;
11326 pairingsPerRound = nPlayers / 2;
11327 } else if(appData.tourneyType > 0) {
11328 roundsPerCycle = nPlayers - appData.tourneyType;
11329 pairingsPerRound = appData.tourneyType;
11331 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11332 gamesPerCycle = gamesPerRound * roundsPerCycle;
11333 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11334 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11335 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11336 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11337 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11338 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11340 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11341 if(appData.roundSync) *syncInterval = gamesPerRound;
11343 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11345 if(appData.tourneyType == 0) {
11346 if(curPairing == (nPlayers-1)/2 ) {
11347 *whitePlayer = curRound;
11348 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11350 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11351 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11352 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11353 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11355 } else if(appData.tourneyType > 1) {
11356 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11357 *whitePlayer = curRound + appData.tourneyType;
11358 } else if(appData.tourneyType > 0) {
11359 *whitePlayer = curPairing;
11360 *blackPlayer = curRound + appData.tourneyType;
11363 // take care of white/black alternation per round.
11364 // For cycles and games this is already taken care of by default, derived from matchGame!
11365 return curRound & 1;
11369 NextTourneyGame (int nr, int *swapColors)
11370 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11372 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11374 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11375 tf = fopen(appData.tourneyFile, "r");
11376 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11377 ParseArgsFromFile(tf); fclose(tf);
11378 InitTimeControls(); // TC might be altered from tourney file
11380 nPlayers = CountPlayers(appData.participants); // count participants
11381 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11382 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11385 p = q = appData.results;
11386 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11387 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11388 DisplayMessage(_("Waiting for other game(s)"),"");
11389 waitingForGame = TRUE;
11390 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11393 waitingForGame = FALSE;
11396 if(appData.tourneyType < 0) {
11397 if(nr>=0 && !pairingReceived) {
11399 if(pairing.pr == NoProc) {
11400 if(!appData.pairingEngine[0]) {
11401 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11404 StartChessProgram(&pairing); // starts the pairing engine
11406 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11407 SendToProgram(buf, &pairing);
11408 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11409 SendToProgram(buf, &pairing);
11410 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11412 pairingReceived = 0; // ... so we continue here
11414 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11415 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11416 matchGame = 1; roundNr = nr / syncInterval + 1;
11419 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11421 // redefine engines, engine dir, etc.
11422 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11423 if(first.pr == NoProc) {
11424 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11425 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11427 if(second.pr == NoProc) {
11429 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11430 SwapEngines(1); // and make that valid for second engine by swapping
11431 InitEngine(&second, 1);
11433 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11434 UpdateLogos(FALSE); // leave display to ModeHiglight()
11440 { // performs game initialization that does not invoke engines, and then tries to start the game
11441 int res, firstWhite, swapColors = 0;
11442 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11443 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
11445 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11446 if(strcmp(buf, currentDebugFile)) { // name has changed
11447 FILE *f = fopen(buf, "w");
11448 if(f) { // if opening the new file failed, just keep using the old one
11449 ASSIGN(currentDebugFile, buf);
11453 if(appData.serverFileName) {
11454 if(serverFP) fclose(serverFP);
11455 serverFP = fopen(appData.serverFileName, "w");
11456 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11457 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11461 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11462 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11463 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11464 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11465 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11466 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11467 Reset(FALSE, first.pr != NoProc);
11468 res = LoadGameOrPosition(matchGame); // setup game
11469 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11470 if(!res) return; // abort when bad game/pos file
11471 if(appData.epd) {// in EPD mode we make sure first engine is to move
11472 firstWhite = !(forwardMostMove & 1);
11473 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11474 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11476 TwoMachinesEvent();
11480 UserAdjudicationEvent (int result)
11482 ChessMove gameResult = GameIsDrawn;
11485 gameResult = WhiteWins;
11487 else if( result < 0 ) {
11488 gameResult = BlackWins;
11491 if( gameMode == TwoMachinesPlay ) {
11492 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11497 // [HGM] save: calculate checksum of game to make games easily identifiable
11499 StringCheckSum (char *s)
11502 if(s==NULL) return 0;
11503 while(*s) i = i*259 + *s++;
11511 for(i=backwardMostMove; i<forwardMostMove; i++) {
11512 sum += pvInfoList[i].depth;
11513 sum += StringCheckSum(parseList[i]);
11514 sum += StringCheckSum(commentList[i]);
11517 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11518 return sum + StringCheckSum(commentList[i]);
11519 } // end of save patch
11522 GameEnds (ChessMove result, char *resultDetails, int whosays)
11524 GameMode nextGameMode;
11526 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11528 if(endingGame) return; /* [HGM] crash: forbid recursion */
11530 if(twoBoards) { // [HGM] dual: switch back to one board
11531 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11532 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11534 if (appData.debugMode) {
11535 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11536 result, resultDetails ? resultDetails : "(null)", whosays);
11539 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11541 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11543 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11544 /* If we are playing on ICS, the server decides when the
11545 game is over, but the engine can offer to draw, claim
11549 if (appData.zippyPlay && first.initDone) {
11550 if (result == GameIsDrawn) {
11551 /* In case draw still needs to be claimed */
11552 SendToICS(ics_prefix);
11553 SendToICS("draw\n");
11554 } else if (StrCaseStr(resultDetails, "resign")) {
11555 SendToICS(ics_prefix);
11556 SendToICS("resign\n");
11560 endingGame = 0; /* [HGM] crash */
11564 /* If we're loading the game from a file, stop */
11565 if (whosays == GE_FILE) {
11566 (void) StopLoadGameTimer();
11570 /* Cancel draw offers */
11571 first.offeredDraw = second.offeredDraw = 0;
11573 /* If this is an ICS game, only ICS can really say it's done;
11574 if not, anyone can. */
11575 isIcsGame = (gameMode == IcsPlayingWhite ||
11576 gameMode == IcsPlayingBlack ||
11577 gameMode == IcsObserving ||
11578 gameMode == IcsExamining);
11580 if (!isIcsGame || whosays == GE_ICS) {
11581 /* OK -- not an ICS game, or ICS said it was done */
11583 if (!isIcsGame && !appData.noChessProgram)
11584 SetUserThinkingEnables();
11586 /* [HGM] if a machine claims the game end we verify this claim */
11587 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11588 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11590 ChessMove trueResult = (ChessMove) -1;
11592 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11593 first.twoMachinesColor[0] :
11594 second.twoMachinesColor[0] ;
11596 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11597 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11598 /* [HGM] verify: engine mate claims accepted if they were flagged */
11599 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11601 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11602 /* [HGM] verify: engine mate claims accepted if they were flagged */
11603 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11605 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11606 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11609 // now verify win claims, but not in drop games, as we don't understand those yet
11610 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11611 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11612 (result == WhiteWins && claimer == 'w' ||
11613 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11614 if (appData.debugMode) {
11615 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11616 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11618 if(result != trueResult) {
11619 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11620 result = claimer == 'w' ? BlackWins : WhiteWins;
11621 resultDetails = buf;
11624 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11625 && (forwardMostMove <= backwardMostMove ||
11626 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11627 (claimer=='b')==(forwardMostMove&1))
11629 /* [HGM] verify: draws that were not flagged are false claims */
11630 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11631 result = claimer == 'w' ? BlackWins : WhiteWins;
11632 resultDetails = buf;
11634 /* (Claiming a loss is accepted no questions asked!) */
11635 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11636 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11637 result = GameUnfinished;
11638 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11640 /* [HGM] bare: don't allow bare King to win */
11641 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11642 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11643 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11644 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11645 && result != GameIsDrawn)
11646 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11647 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11648 int p = (signed char)boards[forwardMostMove][i][j] - color;
11649 if(p >= 0 && p <= (int)WhiteKing) k++;
11650 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11652 if (appData.debugMode) {
11653 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11654 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11656 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11657 result = GameIsDrawn;
11658 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11659 resultDetails = buf;
11665 if(serverMoves != NULL && !loadFlag) { char c = '=';
11666 if(result==WhiteWins) c = '+';
11667 if(result==BlackWins) c = '-';
11668 if(resultDetails != NULL)
11669 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11671 if (resultDetails != NULL) {
11672 gameInfo.result = result;
11673 gameInfo.resultDetails = StrSave(resultDetails);
11675 /* display last move only if game was not loaded from file */
11676 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11677 DisplayMove(currentMove - 1);
11679 if (forwardMostMove != 0) {
11680 if (gameMode != PlayFromGameFile && gameMode != EditGame
11681 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11683 if (*appData.saveGameFile != NULLCHAR) {
11684 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11685 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11687 SaveGameToFile(appData.saveGameFile, TRUE);
11688 } else if (appData.autoSaveGames) {
11689 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11691 if (*appData.savePositionFile != NULLCHAR) {
11692 SavePositionToFile(appData.savePositionFile);
11694 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11698 /* Tell program how game ended in case it is learning */
11699 /* [HGM] Moved this to after saving the PGN, just in case */
11700 /* engine died and we got here through time loss. In that */
11701 /* case we will get a fatal error writing the pipe, which */
11702 /* would otherwise lose us the PGN. */
11703 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11704 /* output during GameEnds should never be fatal anymore */
11705 if (gameMode == MachinePlaysWhite ||
11706 gameMode == MachinePlaysBlack ||
11707 gameMode == TwoMachinesPlay ||
11708 gameMode == IcsPlayingWhite ||
11709 gameMode == IcsPlayingBlack ||
11710 gameMode == BeginningOfGame) {
11712 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11714 if (first.pr != NoProc) {
11715 SendToProgram(buf, &first);
11717 if (second.pr != NoProc &&
11718 gameMode == TwoMachinesPlay) {
11719 SendToProgram(buf, &second);
11724 if (appData.icsActive) {
11725 if (appData.quietPlay &&
11726 (gameMode == IcsPlayingWhite ||
11727 gameMode == IcsPlayingBlack)) {
11728 SendToICS(ics_prefix);
11729 SendToICS("set shout 1\n");
11731 nextGameMode = IcsIdle;
11732 ics_user_moved = FALSE;
11733 /* clean up premove. It's ugly when the game has ended and the
11734 * premove highlights are still on the board.
11737 gotPremove = FALSE;
11738 ClearPremoveHighlights();
11739 DrawPosition(FALSE, boards[currentMove]);
11741 if (whosays == GE_ICS) {
11744 if (gameMode == IcsPlayingWhite)
11746 else if(gameMode == IcsPlayingBlack)
11747 PlayIcsLossSound();
11750 if (gameMode == IcsPlayingBlack)
11752 else if(gameMode == IcsPlayingWhite)
11753 PlayIcsLossSound();
11756 PlayIcsDrawSound();
11759 PlayIcsUnfinishedSound();
11762 if(appData.quitNext) { ExitEvent(0); return; }
11763 } else if (gameMode == EditGame ||
11764 gameMode == PlayFromGameFile ||
11765 gameMode == AnalyzeMode ||
11766 gameMode == AnalyzeFile) {
11767 nextGameMode = gameMode;
11769 nextGameMode = EndOfGame;
11774 nextGameMode = gameMode;
11777 if (appData.noChessProgram) {
11778 gameMode = nextGameMode;
11780 endingGame = 0; /* [HGM] crash */
11785 /* Put first chess program into idle state */
11786 if (first.pr != NoProc &&
11787 (gameMode == MachinePlaysWhite ||
11788 gameMode == MachinePlaysBlack ||
11789 gameMode == TwoMachinesPlay ||
11790 gameMode == IcsPlayingWhite ||
11791 gameMode == IcsPlayingBlack ||
11792 gameMode == BeginningOfGame)) {
11793 SendToProgram("force\n", &first);
11794 if (first.usePing) {
11796 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11797 SendToProgram(buf, &first);
11800 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11801 /* Kill off first chess program */
11802 if (first.isr != NULL)
11803 RemoveInputSource(first.isr);
11806 if (first.pr != NoProc) {
11808 DoSleep( appData.delayBeforeQuit );
11809 SendToProgram("quit\n", &first);
11810 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11811 first.reload = TRUE;
11815 if (second.reuse) {
11816 /* Put second chess program into idle state */
11817 if (second.pr != NoProc &&
11818 gameMode == TwoMachinesPlay) {
11819 SendToProgram("force\n", &second);
11820 if (second.usePing) {
11822 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11823 SendToProgram(buf, &second);
11826 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11827 /* Kill off second chess program */
11828 if (second.isr != NULL)
11829 RemoveInputSource(second.isr);
11832 if (second.pr != NoProc) {
11833 DoSleep( appData.delayBeforeQuit );
11834 SendToProgram("quit\n", &second);
11835 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11836 second.reload = TRUE;
11838 second.pr = NoProc;
11841 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11842 char resChar = '=';
11846 if (first.twoMachinesColor[0] == 'w') {
11849 second.matchWins++;
11854 if (first.twoMachinesColor[0] == 'b') {
11857 second.matchWins++;
11860 case GameUnfinished:
11866 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11867 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11868 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11869 ReserveGame(nextGame, resChar); // sets nextGame
11870 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11871 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11872 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11874 if (nextGame <= appData.matchGames && !abortMatch) {
11875 gameMode = nextGameMode;
11876 matchGame = nextGame; // this will be overruled in tourney mode!
11877 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11878 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11879 endingGame = 0; /* [HGM] crash */
11882 gameMode = nextGameMode;
11884 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11885 OutputKibitz(2, buf);
11886 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11887 OutputKibitz(2, buf);
11888 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11889 if(second.matchWins) OutputKibitz(2, buf);
11890 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11891 OutputKibitz(2, buf);
11893 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11894 first.tidy, second.tidy,
11895 first.matchWins, second.matchWins,
11896 appData.matchGames - (first.matchWins + second.matchWins));
11897 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11898 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11899 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11900 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11901 first.twoMachinesColor = "black\n";
11902 second.twoMachinesColor = "white\n";
11904 first.twoMachinesColor = "white\n";
11905 second.twoMachinesColor = "black\n";
11909 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11910 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11912 gameMode = nextGameMode;
11914 endingGame = 0; /* [HGM] crash */
11915 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11916 if(matchMode == TRUE) { // match through command line: exit with or without popup
11918 ToNrEvent(forwardMostMove);
11919 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11921 } else DisplayFatalError(buf, 0, 0);
11922 } else { // match through menu; just stop, with or without popup
11923 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11926 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11927 } else DisplayNote(buf);
11929 if(ranking) free(ranking);
11933 /* Assumes program was just initialized (initString sent).
11934 Leaves program in force mode. */
11936 FeedMovesToProgram (ChessProgramState *cps, int upto)
11940 if (appData.debugMode)
11941 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11942 startedFromSetupPosition ? "position and " : "",
11943 backwardMostMove, upto, cps->which);
11944 if(currentlyInitializedVariant != gameInfo.variant) {
11946 // [HGM] variantswitch: make engine aware of new variant
11947 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11948 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11949 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11950 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11951 SendToProgram(buf, cps);
11952 currentlyInitializedVariant = gameInfo.variant;
11954 SendToProgram("force\n", cps);
11955 if (startedFromSetupPosition) {
11956 SendBoard(cps, backwardMostMove);
11957 if (appData.debugMode) {
11958 fprintf(debugFP, "feedMoves\n");
11961 for (i = backwardMostMove; i < upto; i++) {
11962 SendMoveToProgram(i, cps);
11968 ResurrectChessProgram ()
11970 /* The chess program may have exited.
11971 If so, restart it and feed it all the moves made so far. */
11972 static int doInit = 0;
11974 if (appData.noChessProgram) return 1;
11976 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11977 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11978 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11979 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11981 if (first.pr != NoProc) return 1;
11982 StartChessProgram(&first);
11984 InitChessProgram(&first, FALSE);
11985 FeedMovesToProgram(&first, currentMove);
11987 if (!first.sendTime) {
11988 /* can't tell gnuchess what its clock should read,
11989 so we bow to its notion. */
11991 timeRemaining[0][currentMove] = whiteTimeRemaining;
11992 timeRemaining[1][currentMove] = blackTimeRemaining;
11995 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11996 appData.icsEngineAnalyze) && first.analysisSupport) {
11997 SendToProgram("analyze\n", &first);
11998 first.analyzing = TRUE;
12004 * Button procedures
12007 Reset (int redraw, int init)
12011 if (appData.debugMode) {
12012 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12013 redraw, init, gameMode);
12015 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12016 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12017 CleanupTail(); // [HGM] vari: delete any stored variations
12018 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12019 pausing = pauseExamInvalid = FALSE;
12020 startedFromSetupPosition = blackPlaysFirst = FALSE;
12022 whiteFlag = blackFlag = FALSE;
12023 userOfferedDraw = FALSE;
12024 hintRequested = bookRequested = FALSE;
12025 first.maybeThinking = FALSE;
12026 second.maybeThinking = FALSE;
12027 first.bookSuspend = FALSE; // [HGM] book
12028 second.bookSuspend = FALSE;
12029 thinkOutput[0] = NULLCHAR;
12030 lastHint[0] = NULLCHAR;
12031 ClearGameInfo(&gameInfo);
12032 gameInfo.variant = StringToVariant(appData.variant);
12033 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12034 gameInfo.variant = VariantUnknown;
12035 strncpy(engineVariant, appData.variant, MSG_SIZ);
12037 ics_user_moved = ics_clock_paused = FALSE;
12038 ics_getting_history = H_FALSE;
12040 white_holding[0] = black_holding[0] = NULLCHAR;
12041 ClearProgramStats();
12042 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12046 flipView = appData.flipView;
12047 ClearPremoveHighlights();
12048 gotPremove = FALSE;
12049 alarmSounded = FALSE;
12050 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12052 GameEnds(EndOfFile, NULL, GE_PLAYER);
12053 if(appData.serverMovesName != NULL) {
12054 /* [HGM] prepare to make moves file for broadcasting */
12055 clock_t t = clock();
12056 if(serverMoves != NULL) fclose(serverMoves);
12057 serverMoves = fopen(appData.serverMovesName, "r");
12058 if(serverMoves != NULL) {
12059 fclose(serverMoves);
12060 /* delay 15 sec before overwriting, so all clients can see end */
12061 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12063 serverMoves = fopen(appData.serverMovesName, "w");
12067 gameMode = BeginningOfGame;
12069 if(appData.icsActive) gameInfo.variant = VariantNormal;
12070 currentMove = forwardMostMove = backwardMostMove = 0;
12071 MarkTargetSquares(1);
12072 InitPosition(redraw);
12073 for (i = 0; i < MAX_MOVES; i++) {
12074 if (commentList[i] != NULL) {
12075 free(commentList[i]);
12076 commentList[i] = NULL;
12080 timeRemaining[0][0] = whiteTimeRemaining;
12081 timeRemaining[1][0] = blackTimeRemaining;
12083 if (first.pr == NoProc) {
12084 StartChessProgram(&first);
12087 InitChessProgram(&first, startedFromSetupPosition);
12090 DisplayMessage("", "");
12091 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12092 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12093 ClearMap(); // [HGM] exclude: invalidate map
12097 AutoPlayGameLoop ()
12100 if (!AutoPlayOneMove())
12102 if (matchMode || appData.timeDelay == 0)
12104 if (appData.timeDelay < 0)
12106 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12114 ReloadGame(1); // next game
12120 int fromX, fromY, toX, toY;
12122 if (appData.debugMode) {
12123 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12126 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12129 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12130 pvInfoList[currentMove].depth = programStats.depth;
12131 pvInfoList[currentMove].score = programStats.score;
12132 pvInfoList[currentMove].time = 0;
12133 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12134 else { // append analysis of final position as comment
12136 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12137 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12139 programStats.depth = 0;
12142 if (currentMove >= forwardMostMove) {
12143 if(gameMode == AnalyzeFile) {
12144 if(appData.loadGameIndex == -1) {
12145 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12146 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12148 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12151 // gameMode = EndOfGame;
12152 // ModeHighlight();
12154 /* [AS] Clear current move marker at the end of a game */
12155 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12160 toX = moveList[currentMove][2] - AAA;
12161 toY = moveList[currentMove][3] - ONE;
12163 if (moveList[currentMove][1] == '@') {
12164 if (appData.highlightLastMove) {
12165 SetHighlights(-1, -1, toX, toY);
12168 fromX = moveList[currentMove][0] - AAA;
12169 fromY = moveList[currentMove][1] - ONE;
12171 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12173 if(moveList[currentMove][4] == ';') { // multi-leg
12174 killX = moveList[currentMove][5] - AAA;
12175 killY = moveList[currentMove][6] - ONE;
12177 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12178 killX = killY = -1;
12180 if (appData.highlightLastMove) {
12181 SetHighlights(fromX, fromY, toX, toY);
12184 DisplayMove(currentMove);
12185 SendMoveToProgram(currentMove++, &first);
12186 DisplayBothClocks();
12187 DrawPosition(FALSE, boards[currentMove]);
12188 // [HGM] PV info: always display, routine tests if empty
12189 DisplayComment(currentMove - 1, commentList[currentMove]);
12195 LoadGameOneMove (ChessMove readAhead)
12197 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12198 char promoChar = NULLCHAR;
12199 ChessMove moveType;
12200 char move[MSG_SIZ];
12203 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12204 gameMode != AnalyzeMode && gameMode != Training) {
12209 yyboardindex = forwardMostMove;
12210 if (readAhead != EndOfFile) {
12211 moveType = readAhead;
12213 if (gameFileFP == NULL)
12215 moveType = (ChessMove) Myylex();
12219 switch (moveType) {
12221 if (appData.debugMode)
12222 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12225 /* append the comment but don't display it */
12226 AppendComment(currentMove, p, FALSE);
12229 case WhiteCapturesEnPassant:
12230 case BlackCapturesEnPassant:
12231 case WhitePromotion:
12232 case BlackPromotion:
12233 case WhiteNonPromotion:
12234 case BlackNonPromotion:
12237 case WhiteKingSideCastle:
12238 case WhiteQueenSideCastle:
12239 case BlackKingSideCastle:
12240 case BlackQueenSideCastle:
12241 case WhiteKingSideCastleWild:
12242 case WhiteQueenSideCastleWild:
12243 case BlackKingSideCastleWild:
12244 case BlackQueenSideCastleWild:
12246 case WhiteHSideCastleFR:
12247 case WhiteASideCastleFR:
12248 case BlackHSideCastleFR:
12249 case BlackASideCastleFR:
12251 if (appData.debugMode)
12252 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12253 fromX = currentMoveString[0] - AAA;
12254 fromY = currentMoveString[1] - ONE;
12255 toX = currentMoveString[2] - AAA;
12256 toY = currentMoveString[3] - ONE;
12257 promoChar = currentMoveString[4];
12258 if(promoChar == ';') promoChar = currentMoveString[7];
12263 if (appData.debugMode)
12264 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12265 fromX = moveType == WhiteDrop ?
12266 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12267 (int) CharToPiece(ToLower(currentMoveString[0]));
12269 toX = currentMoveString[2] - AAA;
12270 toY = currentMoveString[3] - ONE;
12276 case GameUnfinished:
12277 if (appData.debugMode)
12278 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12279 p = strchr(yy_text, '{');
12280 if (p == NULL) p = strchr(yy_text, '(');
12283 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12285 q = strchr(p, *p == '{' ? '}' : ')');
12286 if (q != NULL) *q = NULLCHAR;
12289 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12290 GameEnds(moveType, p, GE_FILE);
12292 if (cmailMsgLoaded) {
12294 flipView = WhiteOnMove(currentMove);
12295 if (moveType == GameUnfinished) flipView = !flipView;
12296 if (appData.debugMode)
12297 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12302 if (appData.debugMode)
12303 fprintf(debugFP, "Parser hit end of file\n");
12304 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12310 if (WhiteOnMove(currentMove)) {
12311 GameEnds(BlackWins, "Black mates", GE_FILE);
12313 GameEnds(WhiteWins, "White mates", GE_FILE);
12317 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12323 case MoveNumberOne:
12324 if (lastLoadGameStart == GNUChessGame) {
12325 /* GNUChessGames have numbers, but they aren't move numbers */
12326 if (appData.debugMode)
12327 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12328 yy_text, (int) moveType);
12329 return LoadGameOneMove(EndOfFile); /* tail recursion */
12331 /* else fall thru */
12336 /* Reached start of next game in file */
12337 if (appData.debugMode)
12338 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12339 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12345 if (WhiteOnMove(currentMove)) {
12346 GameEnds(BlackWins, "Black mates", GE_FILE);
12348 GameEnds(WhiteWins, "White mates", GE_FILE);
12352 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12358 case PositionDiagram: /* should not happen; ignore */
12359 case ElapsedTime: /* ignore */
12360 case NAG: /* ignore */
12361 if (appData.debugMode)
12362 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12363 yy_text, (int) moveType);
12364 return LoadGameOneMove(EndOfFile); /* tail recursion */
12367 if (appData.testLegality) {
12368 if (appData.debugMode)
12369 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12370 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12371 (forwardMostMove / 2) + 1,
12372 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12373 DisplayError(move, 0);
12376 if (appData.debugMode)
12377 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12378 yy_text, currentMoveString);
12379 if(currentMoveString[1] == '@') {
12380 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12383 fromX = currentMoveString[0] - AAA;
12384 fromY = currentMoveString[1] - ONE;
12386 toX = currentMoveString[2] - AAA;
12387 toY = currentMoveString[3] - ONE;
12388 promoChar = currentMoveString[4];
12392 case AmbiguousMove:
12393 if (appData.debugMode)
12394 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12395 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12396 (forwardMostMove / 2) + 1,
12397 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12398 DisplayError(move, 0);
12403 case ImpossibleMove:
12404 if (appData.debugMode)
12405 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12406 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12407 (forwardMostMove / 2) + 1,
12408 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12409 DisplayError(move, 0);
12415 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12416 DrawPosition(FALSE, boards[currentMove]);
12417 DisplayBothClocks();
12418 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12419 DisplayComment(currentMove - 1, commentList[currentMove]);
12421 (void) StopLoadGameTimer();
12423 cmailOldMove = forwardMostMove;
12426 /* currentMoveString is set as a side-effect of yylex */
12428 thinkOutput[0] = NULLCHAR;
12429 MakeMove(fromX, fromY, toX, toY, promoChar);
12430 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12431 currentMove = forwardMostMove;
12436 /* Load the nth game from the given file */
12438 LoadGameFromFile (char *filename, int n, char *title, int useList)
12443 if (strcmp(filename, "-") == 0) {
12447 f = fopen(filename, "rb");
12449 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12450 DisplayError(buf, errno);
12454 if (fseek(f, 0, 0) == -1) {
12455 /* f is not seekable; probably a pipe */
12458 if (useList && n == 0) {
12459 int error = GameListBuild(f);
12461 DisplayError(_("Cannot build game list"), error);
12462 } else if (!ListEmpty(&gameList) &&
12463 ((ListGame *) gameList.tailPred)->number > 1) {
12464 GameListPopUp(f, title);
12471 return LoadGame(f, n, title, FALSE);
12476 MakeRegisteredMove ()
12478 int fromX, fromY, toX, toY;
12480 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12481 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12484 if (appData.debugMode)
12485 fprintf(debugFP, "Restoring %s for game %d\n",
12486 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12488 thinkOutput[0] = NULLCHAR;
12489 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12490 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12491 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12492 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12493 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12494 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12495 MakeMove(fromX, fromY, toX, toY, promoChar);
12496 ShowMove(fromX, fromY, toX, toY);
12498 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12505 if (WhiteOnMove(currentMove)) {
12506 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12508 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12513 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12520 if (WhiteOnMove(currentMove)) {
12521 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12523 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12528 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12539 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12541 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12545 if (gameNumber > nCmailGames) {
12546 DisplayError(_("No more games in this message"), 0);
12549 if (f == lastLoadGameFP) {
12550 int offset = gameNumber - lastLoadGameNumber;
12552 cmailMsg[0] = NULLCHAR;
12553 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12554 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12555 nCmailMovesRegistered--;
12557 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12558 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12559 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12562 if (! RegisterMove()) return FALSE;
12566 retVal = LoadGame(f, gameNumber, title, useList);
12568 /* Make move registered during previous look at this game, if any */
12569 MakeRegisteredMove();
12571 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12572 commentList[currentMove]
12573 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12574 DisplayComment(currentMove - 1, commentList[currentMove]);
12580 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12582 ReloadGame (int offset)
12584 int gameNumber = lastLoadGameNumber + offset;
12585 if (lastLoadGameFP == NULL) {
12586 DisplayError(_("No game has been loaded yet"), 0);
12589 if (gameNumber <= 0) {
12590 DisplayError(_("Can't back up any further"), 0);
12593 if (cmailMsgLoaded) {
12594 return CmailLoadGame(lastLoadGameFP, gameNumber,
12595 lastLoadGameTitle, lastLoadGameUseList);
12597 return LoadGame(lastLoadGameFP, gameNumber,
12598 lastLoadGameTitle, lastLoadGameUseList);
12602 int keys[EmptySquare+1];
12605 PositionMatches (Board b1, Board b2)
12608 switch(appData.searchMode) {
12609 case 1: return CompareWithRights(b1, b2);
12611 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12612 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12616 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12617 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12618 sum += keys[b1[r][f]] - keys[b2[r][f]];
12622 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12623 sum += keys[b1[r][f]] - keys[b2[r][f]];
12635 int pieceList[256], quickBoard[256];
12636 ChessSquare pieceType[256] = { EmptySquare };
12637 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12638 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12639 int soughtTotal, turn;
12640 Boolean epOK, flipSearch;
12643 unsigned char piece, to;
12646 #define DSIZE (250000)
12648 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12649 Move *moveDatabase = initialSpace;
12650 unsigned int movePtr, dataSize = DSIZE;
12653 MakePieceList (Board board, int *counts)
12655 int r, f, n=Q_PROMO, total=0;
12656 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12657 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12658 int sq = f + (r<<4);
12659 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12660 quickBoard[sq] = ++n;
12662 pieceType[n] = board[r][f];
12663 counts[board[r][f]]++;
12664 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12665 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12669 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12674 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12676 int sq = fromX + (fromY<<4);
12677 int piece = quickBoard[sq], rook;
12678 quickBoard[sq] = 0;
12679 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12680 if(piece == pieceList[1] && fromY == toY) {
12681 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12682 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12683 moveDatabase[movePtr++].piece = Q_WCASTL;
12684 quickBoard[sq] = piece;
12685 piece = quickBoard[from]; quickBoard[from] = 0;
12686 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12687 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12688 quickBoard[sq] = 0; // remove Rook
12689 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12690 moveDatabase[movePtr++].piece = Q_WCASTL;
12691 quickBoard[sq] = pieceList[1]; // put King
12693 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12696 if(piece == pieceList[2] && fromY == toY) {
12697 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12698 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12699 moveDatabase[movePtr++].piece = Q_BCASTL;
12700 quickBoard[sq] = piece;
12701 piece = quickBoard[from]; quickBoard[from] = 0;
12702 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12703 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12704 quickBoard[sq] = 0; // remove Rook
12705 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12706 moveDatabase[movePtr++].piece = Q_BCASTL;
12707 quickBoard[sq] = pieceList[2]; // put King
12709 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12712 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12713 quickBoard[(fromY<<4)+toX] = 0;
12714 moveDatabase[movePtr].piece = Q_EP;
12715 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12716 moveDatabase[movePtr].to = sq;
12718 if(promoPiece != pieceType[piece]) {
12719 moveDatabase[movePtr++].piece = Q_PROMO;
12720 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12722 moveDatabase[movePtr].piece = piece;
12723 quickBoard[sq] = piece;
12728 PackGame (Board board)
12730 Move *newSpace = NULL;
12731 moveDatabase[movePtr].piece = 0; // terminate previous game
12732 if(movePtr > dataSize) {
12733 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12734 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12735 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12738 Move *p = moveDatabase, *q = newSpace;
12739 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12740 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12741 moveDatabase = newSpace;
12742 } else { // calloc failed, we must be out of memory. Too bad...
12743 dataSize = 0; // prevent calloc events for all subsequent games
12744 return 0; // and signal this one isn't cached
12748 MakePieceList(board, counts);
12753 QuickCompare (Board board, int *minCounts, int *maxCounts)
12754 { // compare according to search mode
12756 switch(appData.searchMode)
12758 case 1: // exact position match
12759 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12760 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12761 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12764 case 2: // can have extra material on empty squares
12765 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12766 if(board[r][f] == EmptySquare) continue;
12767 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12770 case 3: // material with exact Pawn structure
12771 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12772 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12773 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12774 } // fall through to material comparison
12775 case 4: // exact material
12776 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12778 case 6: // material range with given imbalance
12779 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12780 // fall through to range comparison
12781 case 5: // material range
12782 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12788 QuickScan (Board board, Move *move)
12789 { // reconstruct game,and compare all positions in it
12790 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12792 int piece = move->piece;
12793 int to = move->to, from = pieceList[piece];
12794 if(found < 0) { // if already found just scan to game end for final piece count
12795 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12796 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12797 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12798 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12800 static int lastCounts[EmptySquare+1];
12802 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12803 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12804 } else stretch = 0;
12805 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12806 if(found >= 0 && !appData.minPieces) return found;
12808 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12809 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12810 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12811 piece = (++move)->piece;
12812 from = pieceList[piece];
12813 counts[pieceType[piece]]--;
12814 pieceType[piece] = (ChessSquare) move->to;
12815 counts[move->to]++;
12816 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12817 counts[pieceType[quickBoard[to]]]--;
12818 quickBoard[to] = 0; total--;
12821 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12822 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12823 from = pieceList[piece]; // so this must be King
12824 quickBoard[from] = 0;
12825 pieceList[piece] = to;
12826 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12827 quickBoard[from] = 0; // rook
12828 quickBoard[to] = piece;
12829 to = move->to; piece = move->piece;
12833 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12834 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12835 quickBoard[from] = 0;
12837 quickBoard[to] = piece;
12838 pieceList[piece] = to;
12848 flipSearch = FALSE;
12849 CopyBoard(soughtBoard, boards[currentMove]);
12850 soughtTotal = MakePieceList(soughtBoard, maxSought);
12851 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12852 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12853 CopyBoard(reverseBoard, boards[currentMove]);
12854 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12855 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12856 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12857 reverseBoard[r][f] = piece;
12859 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12860 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12861 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12862 || (boards[currentMove][CASTLING][2] == NoRights ||
12863 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12864 && (boards[currentMove][CASTLING][5] == NoRights ||
12865 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12868 CopyBoard(flipBoard, soughtBoard);
12869 CopyBoard(rotateBoard, reverseBoard);
12870 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12871 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12872 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12875 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12876 if(appData.searchMode >= 5) {
12877 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12878 MakePieceList(soughtBoard, minSought);
12879 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12881 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12882 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12885 GameInfo dummyInfo;
12886 static int creatingBook;
12889 GameContainsPosition (FILE *f, ListGame *lg)
12891 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12892 int fromX, fromY, toX, toY;
12894 static int initDone=FALSE;
12896 // weed out games based on numerical tag comparison
12897 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12898 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12899 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12900 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12902 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12905 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12906 else CopyBoard(boards[scratch], initialPosition); // default start position
12909 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12910 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12913 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12914 fseek(f, lg->offset, 0);
12917 yyboardindex = scratch;
12918 quickFlag = plyNr+1;
12923 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12929 if(plyNr) return -1; // after we have seen moves, this is for new game
12932 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12933 case ImpossibleMove:
12934 case WhiteWins: // game ends here with these four
12937 case GameUnfinished:
12941 if(appData.testLegality) return -1;
12942 case WhiteCapturesEnPassant:
12943 case BlackCapturesEnPassant:
12944 case WhitePromotion:
12945 case BlackPromotion:
12946 case WhiteNonPromotion:
12947 case BlackNonPromotion:
12950 case WhiteKingSideCastle:
12951 case WhiteQueenSideCastle:
12952 case BlackKingSideCastle:
12953 case BlackQueenSideCastle:
12954 case WhiteKingSideCastleWild:
12955 case WhiteQueenSideCastleWild:
12956 case BlackKingSideCastleWild:
12957 case BlackQueenSideCastleWild:
12958 case WhiteHSideCastleFR:
12959 case WhiteASideCastleFR:
12960 case BlackHSideCastleFR:
12961 case BlackASideCastleFR:
12962 fromX = currentMoveString[0] - AAA;
12963 fromY = currentMoveString[1] - ONE;
12964 toX = currentMoveString[2] - AAA;
12965 toY = currentMoveString[3] - ONE;
12966 promoChar = currentMoveString[4];
12970 fromX = next == WhiteDrop ?
12971 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12972 (int) CharToPiece(ToLower(currentMoveString[0]));
12974 toX = currentMoveString[2] - AAA;
12975 toY = currentMoveString[3] - ONE;
12979 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12981 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12982 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12983 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12984 if(appData.findMirror) {
12985 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12986 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12991 /* Load the nth game from open file f */
12993 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12997 int gn = gameNumber;
12998 ListGame *lg = NULL;
12999 int numPGNTags = 0, i;
13001 GameMode oldGameMode;
13002 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13003 char oldName[MSG_SIZ];
13005 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13007 if (appData.debugMode)
13008 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13010 if (gameMode == Training )
13011 SetTrainingModeOff();
13013 oldGameMode = gameMode;
13014 if (gameMode != BeginningOfGame) {
13015 Reset(FALSE, TRUE);
13017 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13020 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13021 fclose(lastLoadGameFP);
13025 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13028 fseek(f, lg->offset, 0);
13029 GameListHighlight(gameNumber);
13030 pos = lg->position;
13034 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13035 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13037 DisplayError(_("Game number out of range"), 0);
13042 if (fseek(f, 0, 0) == -1) {
13043 if (f == lastLoadGameFP ?
13044 gameNumber == lastLoadGameNumber + 1 :
13048 DisplayError(_("Can't seek on game file"), 0);
13053 lastLoadGameFP = f;
13054 lastLoadGameNumber = gameNumber;
13055 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13056 lastLoadGameUseList = useList;
13060 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13061 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13062 lg->gameInfo.black);
13064 } else if (*title != NULLCHAR) {
13065 if (gameNumber > 1) {
13066 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13069 DisplayTitle(title);
13073 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13074 gameMode = PlayFromGameFile;
13078 currentMove = forwardMostMove = backwardMostMove = 0;
13079 CopyBoard(boards[0], initialPosition);
13083 * Skip the first gn-1 games in the file.
13084 * Also skip over anything that precedes an identifiable
13085 * start of game marker, to avoid being confused by
13086 * garbage at the start of the file. Currently
13087 * recognized start of game markers are the move number "1",
13088 * the pattern "gnuchess .* game", the pattern
13089 * "^[#;%] [^ ]* game file", and a PGN tag block.
13090 * A game that starts with one of the latter two patterns
13091 * will also have a move number 1, possibly
13092 * following a position diagram.
13093 * 5-4-02: Let's try being more lenient and allowing a game to
13094 * start with an unnumbered move. Does that break anything?
13096 cm = lastLoadGameStart = EndOfFile;
13098 yyboardindex = forwardMostMove;
13099 cm = (ChessMove) Myylex();
13102 if (cmailMsgLoaded) {
13103 nCmailGames = CMAIL_MAX_GAMES - gn;
13106 DisplayError(_("Game not found in file"), 0);
13113 lastLoadGameStart = cm;
13116 case MoveNumberOne:
13117 switch (lastLoadGameStart) {
13122 case MoveNumberOne:
13124 gn--; /* count this game */
13125 lastLoadGameStart = cm;
13134 switch (lastLoadGameStart) {
13137 case MoveNumberOne:
13139 gn--; /* count this game */
13140 lastLoadGameStart = cm;
13143 lastLoadGameStart = cm; /* game counted already */
13151 yyboardindex = forwardMostMove;
13152 cm = (ChessMove) Myylex();
13153 } while (cm == PGNTag || cm == Comment);
13160 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13161 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13162 != CMAIL_OLD_RESULT) {
13164 cmailResult[ CMAIL_MAX_GAMES
13165 - gn - 1] = CMAIL_OLD_RESULT;
13172 /* Only a NormalMove can be at the start of a game
13173 * without a position diagram. */
13174 if (lastLoadGameStart == EndOfFile ) {
13176 lastLoadGameStart = MoveNumberOne;
13185 if (appData.debugMode)
13186 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13188 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13190 if (cm == XBoardGame) {
13191 /* Skip any header junk before position diagram and/or move 1 */
13193 yyboardindex = forwardMostMove;
13194 cm = (ChessMove) Myylex();
13196 if (cm == EndOfFile ||
13197 cm == GNUChessGame || cm == XBoardGame) {
13198 /* Empty game; pretend end-of-file and handle later */
13203 if (cm == MoveNumberOne || cm == PositionDiagram ||
13204 cm == PGNTag || cm == Comment)
13207 } else if (cm == GNUChessGame) {
13208 if (gameInfo.event != NULL) {
13209 free(gameInfo.event);
13211 gameInfo.event = StrSave(yy_text);
13214 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13215 while (cm == PGNTag) {
13216 if (appData.debugMode)
13217 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13218 err = ParsePGNTag(yy_text, &gameInfo);
13219 if (!err) numPGNTags++;
13221 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13222 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13223 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13224 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13225 InitPosition(TRUE);
13226 oldVariant = gameInfo.variant;
13227 if (appData.debugMode)
13228 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13232 if (gameInfo.fen != NULL) {
13233 Board initial_position;
13234 startedFromSetupPosition = TRUE;
13235 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13237 DisplayError(_("Bad FEN position in file"), 0);
13240 CopyBoard(boards[0], initial_position);
13241 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13242 CopyBoard(initialPosition, initial_position);
13243 if (blackPlaysFirst) {
13244 currentMove = forwardMostMove = backwardMostMove = 1;
13245 CopyBoard(boards[1], initial_position);
13246 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13247 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13248 timeRemaining[0][1] = whiteTimeRemaining;
13249 timeRemaining[1][1] = blackTimeRemaining;
13250 if (commentList[0] != NULL) {
13251 commentList[1] = commentList[0];
13252 commentList[0] = NULL;
13255 currentMove = forwardMostMove = backwardMostMove = 0;
13257 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13259 initialRulePlies = FENrulePlies;
13260 for( i=0; i< nrCastlingRights; i++ )
13261 initialRights[i] = initial_position[CASTLING][i];
13263 yyboardindex = forwardMostMove;
13264 free(gameInfo.fen);
13265 gameInfo.fen = NULL;
13268 yyboardindex = forwardMostMove;
13269 cm = (ChessMove) Myylex();
13271 /* Handle comments interspersed among the tags */
13272 while (cm == Comment) {
13274 if (appData.debugMode)
13275 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13277 AppendComment(currentMove, p, FALSE);
13278 yyboardindex = forwardMostMove;
13279 cm = (ChessMove) Myylex();
13283 /* don't rely on existence of Event tag since if game was
13284 * pasted from clipboard the Event tag may not exist
13286 if (numPGNTags > 0){
13288 if (gameInfo.variant == VariantNormal) {
13289 VariantClass v = StringToVariant(gameInfo.event);
13290 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13291 if(v < VariantShogi) gameInfo.variant = v;
13294 if( appData.autoDisplayTags ) {
13295 tags = PGNTags(&gameInfo);
13296 TagsPopUp(tags, CmailMsg());
13301 /* Make something up, but don't display it now */
13306 if (cm == PositionDiagram) {
13309 Board initial_position;
13311 if (appData.debugMode)
13312 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13314 if (!startedFromSetupPosition) {
13316 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13317 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13328 initial_position[i][j++] = CharToPiece(*p);
13331 while (*p == ' ' || *p == '\t' ||
13332 *p == '\n' || *p == '\r') p++;
13334 if (strncmp(p, "black", strlen("black"))==0)
13335 blackPlaysFirst = TRUE;
13337 blackPlaysFirst = FALSE;
13338 startedFromSetupPosition = TRUE;
13340 CopyBoard(boards[0], initial_position);
13341 if (blackPlaysFirst) {
13342 currentMove = forwardMostMove = backwardMostMove = 1;
13343 CopyBoard(boards[1], initial_position);
13344 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13345 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13346 timeRemaining[0][1] = whiteTimeRemaining;
13347 timeRemaining[1][1] = blackTimeRemaining;
13348 if (commentList[0] != NULL) {
13349 commentList[1] = commentList[0];
13350 commentList[0] = NULL;
13353 currentMove = forwardMostMove = backwardMostMove = 0;
13356 yyboardindex = forwardMostMove;
13357 cm = (ChessMove) Myylex();
13360 if(!creatingBook) {
13361 if (first.pr == NoProc) {
13362 StartChessProgram(&first);
13364 InitChessProgram(&first, FALSE);
13365 if(gameInfo.variant == VariantUnknown && *oldName) {
13366 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13367 gameInfo.variant = v;
13369 SendToProgram("force\n", &first);
13370 if (startedFromSetupPosition) {
13371 SendBoard(&first, forwardMostMove);
13372 if (appData.debugMode) {
13373 fprintf(debugFP, "Load Game\n");
13375 DisplayBothClocks();
13379 /* [HGM] server: flag to write setup moves in broadcast file as one */
13380 loadFlag = appData.suppressLoadMoves;
13382 while (cm == Comment) {
13384 if (appData.debugMode)
13385 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13387 AppendComment(currentMove, p, FALSE);
13388 yyboardindex = forwardMostMove;
13389 cm = (ChessMove) Myylex();
13392 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13393 cm == WhiteWins || cm == BlackWins ||
13394 cm == GameIsDrawn || cm == GameUnfinished) {
13395 DisplayMessage("", _("No moves in game"));
13396 if (cmailMsgLoaded) {
13397 if (appData.debugMode)
13398 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13402 DrawPosition(FALSE, boards[currentMove]);
13403 DisplayBothClocks();
13404 gameMode = EditGame;
13411 // [HGM] PV info: routine tests if comment empty
13412 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13413 DisplayComment(currentMove - 1, commentList[currentMove]);
13415 if (!matchMode && appData.timeDelay != 0)
13416 DrawPosition(FALSE, boards[currentMove]);
13418 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13419 programStats.ok_to_send = 1;
13422 /* if the first token after the PGN tags is a move
13423 * and not move number 1, retrieve it from the parser
13425 if (cm != MoveNumberOne)
13426 LoadGameOneMove(cm);
13428 /* load the remaining moves from the file */
13429 while (LoadGameOneMove(EndOfFile)) {
13430 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13431 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13434 /* rewind to the start of the game */
13435 currentMove = backwardMostMove;
13437 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13439 if (oldGameMode == AnalyzeFile) {
13440 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13441 AnalyzeFileEvent();
13443 if (oldGameMode == AnalyzeMode) {
13444 AnalyzeFileEvent();
13447 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13448 long int w, b; // [HGM] adjourn: restore saved clock times
13449 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13450 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13451 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13452 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13456 if(creatingBook) return TRUE;
13457 if (!matchMode && pos > 0) {
13458 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13460 if (matchMode || appData.timeDelay == 0) {
13462 } else if (appData.timeDelay > 0) {
13463 AutoPlayGameLoop();
13466 if (appData.debugMode)
13467 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13469 loadFlag = 0; /* [HGM] true game starts */
13473 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13475 ReloadPosition (int offset)
13477 int positionNumber = lastLoadPositionNumber + offset;
13478 if (lastLoadPositionFP == NULL) {
13479 DisplayError(_("No position has been loaded yet"), 0);
13482 if (positionNumber <= 0) {
13483 DisplayError(_("Can't back up any further"), 0);
13486 return LoadPosition(lastLoadPositionFP, positionNumber,
13487 lastLoadPositionTitle);
13490 /* Load the nth position from the given file */
13492 LoadPositionFromFile (char *filename, int n, char *title)
13497 if (strcmp(filename, "-") == 0) {
13498 return LoadPosition(stdin, n, "stdin");
13500 f = fopen(filename, "rb");
13502 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13503 DisplayError(buf, errno);
13506 return LoadPosition(f, n, title);
13511 /* Load the nth position from the given open file, and close it */
13513 LoadPosition (FILE *f, int positionNumber, char *title)
13515 char *p, line[MSG_SIZ];
13516 Board initial_position;
13517 int i, j, fenMode, pn;
13519 if (gameMode == Training )
13520 SetTrainingModeOff();
13522 if (gameMode != BeginningOfGame) {
13523 Reset(FALSE, TRUE);
13525 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13526 fclose(lastLoadPositionFP);
13528 if (positionNumber == 0) positionNumber = 1;
13529 lastLoadPositionFP = f;
13530 lastLoadPositionNumber = positionNumber;
13531 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13532 if (first.pr == NoProc && !appData.noChessProgram) {
13533 StartChessProgram(&first);
13534 InitChessProgram(&first, FALSE);
13536 pn = positionNumber;
13537 if (positionNumber < 0) {
13538 /* Negative position number means to seek to that byte offset */
13539 if (fseek(f, -positionNumber, 0) == -1) {
13540 DisplayError(_("Can't seek on position file"), 0);
13545 if (fseek(f, 0, 0) == -1) {
13546 if (f == lastLoadPositionFP ?
13547 positionNumber == lastLoadPositionNumber + 1 :
13548 positionNumber == 1) {
13551 DisplayError(_("Can't seek on position file"), 0);
13556 /* See if this file is FEN or old-style xboard */
13557 if (fgets(line, MSG_SIZ, f) == NULL) {
13558 DisplayError(_("Position not found in file"), 0);
13561 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13562 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13565 if (fenMode || line[0] == '#') pn--;
13567 /* skip positions before number pn */
13568 if (fgets(line, MSG_SIZ, f) == NULL) {
13570 DisplayError(_("Position not found in file"), 0);
13573 if (fenMode || line[0] == '#') pn--;
13579 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13580 DisplayError(_("Bad FEN position in file"), 0);
13583 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13584 sscanf(p+4, "%[^;]", bestMove);
13585 } else *bestMove = NULLCHAR;
13586 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13587 sscanf(p+4, "%[^;]", avoidMove);
13588 } else *avoidMove = NULLCHAR;
13590 (void) fgets(line, MSG_SIZ, f);
13591 (void) fgets(line, MSG_SIZ, f);
13593 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13594 (void) fgets(line, MSG_SIZ, f);
13595 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13598 initial_position[i][j++] = CharToPiece(*p);
13602 blackPlaysFirst = FALSE;
13604 (void) fgets(line, MSG_SIZ, f);
13605 if (strncmp(line, "black", strlen("black"))==0)
13606 blackPlaysFirst = TRUE;
13609 startedFromSetupPosition = TRUE;
13611 CopyBoard(boards[0], initial_position);
13612 if (blackPlaysFirst) {
13613 currentMove = forwardMostMove = backwardMostMove = 1;
13614 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13615 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13616 CopyBoard(boards[1], initial_position);
13617 DisplayMessage("", _("Black to play"));
13619 currentMove = forwardMostMove = backwardMostMove = 0;
13620 DisplayMessage("", _("White to play"));
13622 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13623 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13624 SendToProgram("force\n", &first);
13625 SendBoard(&first, forwardMostMove);
13627 if (appData.debugMode) {
13629 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13630 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13631 fprintf(debugFP, "Load Position\n");
13634 if (positionNumber > 1) {
13635 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13636 DisplayTitle(line);
13638 DisplayTitle(title);
13640 gameMode = EditGame;
13643 timeRemaining[0][1] = whiteTimeRemaining;
13644 timeRemaining[1][1] = blackTimeRemaining;
13645 DrawPosition(FALSE, boards[currentMove]);
13652 CopyPlayerNameIntoFileName (char **dest, char *src)
13654 while (*src != NULLCHAR && *src != ',') {
13659 *(*dest)++ = *src++;
13665 DefaultFileName (char *ext)
13667 static char def[MSG_SIZ];
13670 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13672 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13674 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13676 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13683 /* Save the current game to the given file */
13685 SaveGameToFile (char *filename, int append)
13689 int result, i, t,tot=0;
13691 if (strcmp(filename, "-") == 0) {
13692 return SaveGame(stdout, 0, NULL);
13694 for(i=0; i<10; i++) { // upto 10 tries
13695 f = fopen(filename, append ? "a" : "w");
13696 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13697 if(f || errno != 13) break;
13698 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13702 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13703 DisplayError(buf, errno);
13706 safeStrCpy(buf, lastMsg, MSG_SIZ);
13707 DisplayMessage(_("Waiting for access to save file"), "");
13708 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13709 DisplayMessage(_("Saving game"), "");
13710 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13711 result = SaveGame(f, 0, NULL);
13712 DisplayMessage(buf, "");
13719 SavePart (char *str)
13721 static char buf[MSG_SIZ];
13724 p = strchr(str, ' ');
13725 if (p == NULL) return str;
13726 strncpy(buf, str, p - str);
13727 buf[p - str] = NULLCHAR;
13731 #define PGN_MAX_LINE 75
13733 #define PGN_SIDE_WHITE 0
13734 #define PGN_SIDE_BLACK 1
13737 FindFirstMoveOutOfBook (int side)
13741 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13742 int index = backwardMostMove;
13743 int has_book_hit = 0;
13745 if( (index % 2) != side ) {
13749 while( index < forwardMostMove ) {
13750 /* Check to see if engine is in book */
13751 int depth = pvInfoList[index].depth;
13752 int score = pvInfoList[index].score;
13758 else if( score == 0 && depth == 63 ) {
13759 in_book = 1; /* Zappa */
13761 else if( score == 2 && depth == 99 ) {
13762 in_book = 1; /* Abrok */
13765 has_book_hit += in_book;
13781 GetOutOfBookInfo (char * buf)
13785 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13787 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13788 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13792 if( oob[0] >= 0 || oob[1] >= 0 ) {
13793 for( i=0; i<2; i++ ) {
13797 if( i > 0 && oob[0] >= 0 ) {
13798 strcat( buf, " " );
13801 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13802 sprintf( buf+strlen(buf), "%s%.2f",
13803 pvInfoList[idx].score >= 0 ? "+" : "",
13804 pvInfoList[idx].score / 100.0 );
13810 /* Save game in PGN style */
13812 SaveGamePGN2 (FILE *f)
13814 int i, offset, linelen, newblock;
13817 int movelen, numlen, blank;
13818 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13820 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13822 PrintPGNTags(f, &gameInfo);
13824 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13826 if (backwardMostMove > 0 || startedFromSetupPosition) {
13827 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13828 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13829 fprintf(f, "\n{--------------\n");
13830 PrintPosition(f, backwardMostMove);
13831 fprintf(f, "--------------}\n");
13835 /* [AS] Out of book annotation */
13836 if( appData.saveOutOfBookInfo ) {
13839 GetOutOfBookInfo( buf );
13841 if( buf[0] != '\0' ) {
13842 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13849 i = backwardMostMove;
13853 while (i < forwardMostMove) {
13854 /* Print comments preceding this move */
13855 if (commentList[i] != NULL) {
13856 if (linelen > 0) fprintf(f, "\n");
13857 fprintf(f, "%s", commentList[i]);
13862 /* Format move number */
13864 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13867 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13869 numtext[0] = NULLCHAR;
13871 numlen = strlen(numtext);
13874 /* Print move number */
13875 blank = linelen > 0 && numlen > 0;
13876 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13885 fprintf(f, "%s", numtext);
13889 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13890 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13893 blank = linelen > 0 && movelen > 0;
13894 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13903 fprintf(f, "%s", move_buffer);
13904 linelen += movelen;
13906 /* [AS] Add PV info if present */
13907 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13908 /* [HGM] add time */
13909 char buf[MSG_SIZ]; int seconds;
13911 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13917 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13920 seconds = (seconds + 4)/10; // round to full seconds
13922 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13924 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13927 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13928 pvInfoList[i].score >= 0 ? "+" : "",
13929 pvInfoList[i].score / 100.0,
13930 pvInfoList[i].depth,
13933 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13935 /* Print score/depth */
13936 blank = linelen > 0 && movelen > 0;
13937 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13946 fprintf(f, "%s", move_buffer);
13947 linelen += movelen;
13953 /* Start a new line */
13954 if (linelen > 0) fprintf(f, "\n");
13956 /* Print comments after last move */
13957 if (commentList[i] != NULL) {
13958 fprintf(f, "%s\n", commentList[i]);
13962 if (gameInfo.resultDetails != NULL &&
13963 gameInfo.resultDetails[0] != NULLCHAR) {
13964 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13965 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13966 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13967 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13968 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13970 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13974 /* Save game in PGN style and close the file */
13976 SaveGamePGN (FILE *f)
13980 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13984 /* Save game in old style and close the file */
13986 SaveGameOldStyle (FILE *f)
13991 tm = time((time_t *) NULL);
13993 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13996 if (backwardMostMove > 0 || startedFromSetupPosition) {
13997 fprintf(f, "\n[--------------\n");
13998 PrintPosition(f, backwardMostMove);
13999 fprintf(f, "--------------]\n");
14004 i = backwardMostMove;
14005 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14007 while (i < forwardMostMove) {
14008 if (commentList[i] != NULL) {
14009 fprintf(f, "[%s]\n", commentList[i]);
14012 if ((i % 2) == 1) {
14013 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14016 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14018 if (commentList[i] != NULL) {
14022 if (i >= forwardMostMove) {
14026 fprintf(f, "%s\n", parseList[i]);
14031 if (commentList[i] != NULL) {
14032 fprintf(f, "[%s]\n", commentList[i]);
14035 /* This isn't really the old style, but it's close enough */
14036 if (gameInfo.resultDetails != NULL &&
14037 gameInfo.resultDetails[0] != NULLCHAR) {
14038 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14039 gameInfo.resultDetails);
14041 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14048 /* Save the current game to open file f and close the file */
14050 SaveGame (FILE *f, int dummy, char *dummy2)
14052 if (gameMode == EditPosition) EditPositionDone(TRUE);
14053 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14054 if (appData.oldSaveStyle)
14055 return SaveGameOldStyle(f);
14057 return SaveGamePGN(f);
14060 /* Save the current position to the given file */
14062 SavePositionToFile (char *filename)
14067 if (strcmp(filename, "-") == 0) {
14068 return SavePosition(stdout, 0, NULL);
14070 f = fopen(filename, "a");
14072 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14073 DisplayError(buf, errno);
14076 safeStrCpy(buf, lastMsg, MSG_SIZ);
14077 DisplayMessage(_("Waiting for access to save file"), "");
14078 flock(fileno(f), LOCK_EX); // [HGM] lock
14079 DisplayMessage(_("Saving position"), "");
14080 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14081 SavePosition(f, 0, NULL);
14082 DisplayMessage(buf, "");
14088 /* Save the current position to the given open file and close the file */
14090 SavePosition (FILE *f, int dummy, char *dummy2)
14095 if (gameMode == EditPosition) EditPositionDone(TRUE);
14096 if (appData.oldSaveStyle) {
14097 tm = time((time_t *) NULL);
14099 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14101 fprintf(f, "[--------------\n");
14102 PrintPosition(f, currentMove);
14103 fprintf(f, "--------------]\n");
14105 fen = PositionToFEN(currentMove, NULL, 1);
14106 fprintf(f, "%s\n", fen);
14114 ReloadCmailMsgEvent (int unregister)
14117 static char *inFilename = NULL;
14118 static char *outFilename;
14120 struct stat inbuf, outbuf;
14123 /* Any registered moves are unregistered if unregister is set, */
14124 /* i.e. invoked by the signal handler */
14126 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14127 cmailMoveRegistered[i] = FALSE;
14128 if (cmailCommentList[i] != NULL) {
14129 free(cmailCommentList[i]);
14130 cmailCommentList[i] = NULL;
14133 nCmailMovesRegistered = 0;
14136 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14137 cmailResult[i] = CMAIL_NOT_RESULT;
14141 if (inFilename == NULL) {
14142 /* Because the filenames are static they only get malloced once */
14143 /* and they never get freed */
14144 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14145 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14147 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14148 sprintf(outFilename, "%s.out", appData.cmailGameName);
14151 status = stat(outFilename, &outbuf);
14153 cmailMailedMove = FALSE;
14155 status = stat(inFilename, &inbuf);
14156 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14159 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14160 counts the games, notes how each one terminated, etc.
14162 It would be nice to remove this kludge and instead gather all
14163 the information while building the game list. (And to keep it
14164 in the game list nodes instead of having a bunch of fixed-size
14165 parallel arrays.) Note this will require getting each game's
14166 termination from the PGN tags, as the game list builder does
14167 not process the game moves. --mann
14169 cmailMsgLoaded = TRUE;
14170 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14172 /* Load first game in the file or popup game menu */
14173 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14175 #endif /* !WIN32 */
14183 char string[MSG_SIZ];
14185 if ( cmailMailedMove
14186 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14187 return TRUE; /* Allow free viewing */
14190 /* Unregister move to ensure that we don't leave RegisterMove */
14191 /* with the move registered when the conditions for registering no */
14193 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14194 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14195 nCmailMovesRegistered --;
14197 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14199 free(cmailCommentList[lastLoadGameNumber - 1]);
14200 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14204 if (cmailOldMove == -1) {
14205 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14209 if (currentMove > cmailOldMove + 1) {
14210 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14214 if (currentMove < cmailOldMove) {
14215 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14219 if (forwardMostMove > currentMove) {
14220 /* Silently truncate extra moves */
14224 if ( (currentMove == cmailOldMove + 1)
14225 || ( (currentMove == cmailOldMove)
14226 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14227 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14228 if (gameInfo.result != GameUnfinished) {
14229 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14232 if (commentList[currentMove] != NULL) {
14233 cmailCommentList[lastLoadGameNumber - 1]
14234 = StrSave(commentList[currentMove]);
14236 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14238 if (appData.debugMode)
14239 fprintf(debugFP, "Saving %s for game %d\n",
14240 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14242 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14244 f = fopen(string, "w");
14245 if (appData.oldSaveStyle) {
14246 SaveGameOldStyle(f); /* also closes the file */
14248 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14249 f = fopen(string, "w");
14250 SavePosition(f, 0, NULL); /* also closes the file */
14252 fprintf(f, "{--------------\n");
14253 PrintPosition(f, currentMove);
14254 fprintf(f, "--------------}\n\n");
14256 SaveGame(f, 0, NULL); /* also closes the file*/
14259 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14260 nCmailMovesRegistered ++;
14261 } else if (nCmailGames == 1) {
14262 DisplayError(_("You have not made a move yet"), 0);
14273 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14274 FILE *commandOutput;
14275 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14276 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14282 if (! cmailMsgLoaded) {
14283 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14287 if (nCmailGames == nCmailResults) {
14288 DisplayError(_("No unfinished games"), 0);
14292 #if CMAIL_PROHIBIT_REMAIL
14293 if (cmailMailedMove) {
14294 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);
14295 DisplayError(msg, 0);
14300 if (! (cmailMailedMove || RegisterMove())) return;
14302 if ( cmailMailedMove
14303 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14304 snprintf(string, MSG_SIZ, partCommandString,
14305 appData.debugMode ? " -v" : "", appData.cmailGameName);
14306 commandOutput = popen(string, "r");
14308 if (commandOutput == NULL) {
14309 DisplayError(_("Failed to invoke cmail"), 0);
14311 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14312 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14314 if (nBuffers > 1) {
14315 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14316 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14317 nBytes = MSG_SIZ - 1;
14319 (void) memcpy(msg, buffer, nBytes);
14321 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14323 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14324 cmailMailedMove = TRUE; /* Prevent >1 moves */
14327 for (i = 0; i < nCmailGames; i ++) {
14328 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14333 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14335 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14337 appData.cmailGameName,
14339 LoadGameFromFile(buffer, 1, buffer, FALSE);
14340 cmailMsgLoaded = FALSE;
14344 DisplayInformation(msg);
14345 pclose(commandOutput);
14348 if ((*cmailMsg) != '\0') {
14349 DisplayInformation(cmailMsg);
14354 #endif /* !WIN32 */
14363 int prependComma = 0;
14365 char string[MSG_SIZ]; /* Space for game-list */
14368 if (!cmailMsgLoaded) return "";
14370 if (cmailMailedMove) {
14371 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14373 /* Create a list of games left */
14374 snprintf(string, MSG_SIZ, "[");
14375 for (i = 0; i < nCmailGames; i ++) {
14376 if (! ( cmailMoveRegistered[i]
14377 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14378 if (prependComma) {
14379 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14381 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14385 strcat(string, number);
14388 strcat(string, "]");
14390 if (nCmailMovesRegistered + nCmailResults == 0) {
14391 switch (nCmailGames) {
14393 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14397 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14401 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14406 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14408 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14413 if (nCmailResults == nCmailGames) {
14414 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14416 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14421 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14433 if (gameMode == Training)
14434 SetTrainingModeOff();
14437 cmailMsgLoaded = FALSE;
14438 if (appData.icsActive) {
14439 SendToICS(ics_prefix);
14440 SendToICS("refresh\n");
14445 ExitEvent (int status)
14449 /* Give up on clean exit */
14453 /* Keep trying for clean exit */
14457 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14458 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14460 if (telnetISR != NULL) {
14461 RemoveInputSource(telnetISR);
14463 if (icsPR != NoProc) {
14464 DestroyChildProcess(icsPR, TRUE);
14467 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14468 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14470 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14471 /* make sure this other one finishes before killing it! */
14472 if(endingGame) { int count = 0;
14473 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14474 while(endingGame && count++ < 10) DoSleep(1);
14475 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14478 /* Kill off chess programs */
14479 if (first.pr != NoProc) {
14482 DoSleep( appData.delayBeforeQuit );
14483 SendToProgram("quit\n", &first);
14484 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14486 if (second.pr != NoProc) {
14487 DoSleep( appData.delayBeforeQuit );
14488 SendToProgram("quit\n", &second);
14489 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14491 if (first.isr != NULL) {
14492 RemoveInputSource(first.isr);
14494 if (second.isr != NULL) {
14495 RemoveInputSource(second.isr);
14498 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14499 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14501 ShutDownFrontEnd();
14506 PauseEngine (ChessProgramState *cps)
14508 SendToProgram("pause\n", cps);
14513 UnPauseEngine (ChessProgramState *cps)
14515 SendToProgram("resume\n", cps);
14522 if (appData.debugMode)
14523 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14527 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14529 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14530 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14531 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14533 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14534 HandleMachineMove(stashedInputMove, stalledEngine);
14535 stalledEngine = NULL;
14538 if (gameMode == MachinePlaysWhite ||
14539 gameMode == TwoMachinesPlay ||
14540 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14541 if(first.pause) UnPauseEngine(&first);
14542 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14543 if(second.pause) UnPauseEngine(&second);
14544 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14547 DisplayBothClocks();
14549 if (gameMode == PlayFromGameFile) {
14550 if (appData.timeDelay >= 0)
14551 AutoPlayGameLoop();
14552 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14553 Reset(FALSE, TRUE);
14554 SendToICS(ics_prefix);
14555 SendToICS("refresh\n");
14556 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14557 ForwardInner(forwardMostMove);
14559 pauseExamInvalid = FALSE;
14561 switch (gameMode) {
14565 pauseExamForwardMostMove = forwardMostMove;
14566 pauseExamInvalid = FALSE;
14569 case IcsPlayingWhite:
14570 case IcsPlayingBlack:
14574 case PlayFromGameFile:
14575 (void) StopLoadGameTimer();
14579 case BeginningOfGame:
14580 if (appData.icsActive) return;
14581 /* else fall through */
14582 case MachinePlaysWhite:
14583 case MachinePlaysBlack:
14584 case TwoMachinesPlay:
14585 if (forwardMostMove == 0)
14586 return; /* don't pause if no one has moved */
14587 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14588 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14589 if(onMove->pause) { // thinking engine can be paused
14590 PauseEngine(onMove); // do it
14591 if(onMove->other->pause) // pondering opponent can always be paused immediately
14592 PauseEngine(onMove->other);
14594 SendToProgram("easy\n", onMove->other);
14596 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14597 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14599 PauseEngine(&first);
14601 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14602 } else { // human on move, pause pondering by either method
14604 PauseEngine(&first);
14605 else if(appData.ponderNextMove)
14606 SendToProgram("easy\n", &first);
14609 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14619 EditCommentEvent ()
14621 char title[MSG_SIZ];
14623 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14624 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14626 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14627 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14628 parseList[currentMove - 1]);
14631 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14638 char *tags = PGNTags(&gameInfo);
14640 EditTagsPopUp(tags, NULL);
14647 if(second.analyzing) {
14648 SendToProgram("exit\n", &second);
14649 second.analyzing = FALSE;
14651 if (second.pr == NoProc) StartChessProgram(&second);
14652 InitChessProgram(&second, FALSE);
14653 FeedMovesToProgram(&second, currentMove);
14655 SendToProgram("analyze\n", &second);
14656 second.analyzing = TRUE;
14660 /* Toggle ShowThinking */
14662 ToggleShowThinking()
14664 appData.showThinking = !appData.showThinking;
14665 ShowThinkingEvent();
14669 AnalyzeModeEvent ()
14673 if (!first.analysisSupport) {
14674 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14675 DisplayError(buf, 0);
14678 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14679 if (appData.icsActive) {
14680 if (gameMode != IcsObserving) {
14681 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14682 DisplayError(buf, 0);
14684 if (appData.icsEngineAnalyze) {
14685 if (appData.debugMode)
14686 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14692 /* if enable, user wants to disable icsEngineAnalyze */
14693 if (appData.icsEngineAnalyze) {
14698 appData.icsEngineAnalyze = TRUE;
14699 if (appData.debugMode)
14700 fprintf(debugFP, "ICS engine analyze starting... \n");
14703 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14704 if (appData.noChessProgram || gameMode == AnalyzeMode)
14707 if (gameMode != AnalyzeFile) {
14708 if (!appData.icsEngineAnalyze) {
14710 if (gameMode != EditGame) return 0;
14712 if (!appData.showThinking) ToggleShowThinking();
14713 ResurrectChessProgram();
14714 SendToProgram("analyze\n", &first);
14715 first.analyzing = TRUE;
14716 /*first.maybeThinking = TRUE;*/
14717 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14718 EngineOutputPopUp();
14720 if (!appData.icsEngineAnalyze) {
14721 gameMode = AnalyzeMode;
14722 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14728 StartAnalysisClock();
14729 GetTimeMark(&lastNodeCountTime);
14735 AnalyzeFileEvent ()
14737 if (appData.noChessProgram || gameMode == AnalyzeFile)
14740 if (!first.analysisSupport) {
14742 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14743 DisplayError(buf, 0);
14747 if (gameMode != AnalyzeMode) {
14748 keepInfo = 1; // mere annotating should not alter PGN tags
14751 if (gameMode != EditGame) return;
14752 if (!appData.showThinking) ToggleShowThinking();
14753 ResurrectChessProgram();
14754 SendToProgram("analyze\n", &first);
14755 first.analyzing = TRUE;
14756 /*first.maybeThinking = TRUE;*/
14757 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14758 EngineOutputPopUp();
14760 gameMode = AnalyzeFile;
14764 StartAnalysisClock();
14765 GetTimeMark(&lastNodeCountTime);
14767 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14768 AnalysisPeriodicEvent(1);
14772 MachineWhiteEvent ()
14775 char *bookHit = NULL;
14777 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14781 if (gameMode == PlayFromGameFile ||
14782 gameMode == TwoMachinesPlay ||
14783 gameMode == Training ||
14784 gameMode == AnalyzeMode ||
14785 gameMode == EndOfGame)
14788 if (gameMode == EditPosition)
14789 EditPositionDone(TRUE);
14791 if (!WhiteOnMove(currentMove)) {
14792 DisplayError(_("It is not White's turn"), 0);
14796 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14799 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14800 gameMode == AnalyzeFile)
14803 ResurrectChessProgram(); /* in case it isn't running */
14804 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14805 gameMode = MachinePlaysWhite;
14808 gameMode = MachinePlaysWhite;
14812 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14814 if (first.sendName) {
14815 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14816 SendToProgram(buf, &first);
14818 if (first.sendTime) {
14819 if (first.useColors) {
14820 SendToProgram("black\n", &first); /*gnu kludge*/
14822 SendTimeRemaining(&first, TRUE);
14824 if (first.useColors) {
14825 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14827 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14828 SetMachineThinkingEnables();
14829 first.maybeThinking = TRUE;
14833 if (appData.autoFlipView && !flipView) {
14834 flipView = !flipView;
14835 DrawPosition(FALSE, NULL);
14836 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14839 if(bookHit) { // [HGM] book: simulate book reply
14840 static char bookMove[MSG_SIZ]; // a bit generous?
14842 programStats.nodes = programStats.depth = programStats.time =
14843 programStats.score = programStats.got_only_move = 0;
14844 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14846 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14847 strcat(bookMove, bookHit);
14848 HandleMachineMove(bookMove, &first);
14853 MachineBlackEvent ()
14856 char *bookHit = NULL;
14858 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14862 if (gameMode == PlayFromGameFile ||
14863 gameMode == TwoMachinesPlay ||
14864 gameMode == Training ||
14865 gameMode == AnalyzeMode ||
14866 gameMode == EndOfGame)
14869 if (gameMode == EditPosition)
14870 EditPositionDone(TRUE);
14872 if (WhiteOnMove(currentMove)) {
14873 DisplayError(_("It is not Black's turn"), 0);
14877 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14880 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14881 gameMode == AnalyzeFile)
14884 ResurrectChessProgram(); /* in case it isn't running */
14885 gameMode = MachinePlaysBlack;
14889 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14891 if (first.sendName) {
14892 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14893 SendToProgram(buf, &first);
14895 if (first.sendTime) {
14896 if (first.useColors) {
14897 SendToProgram("white\n", &first); /*gnu kludge*/
14899 SendTimeRemaining(&first, FALSE);
14901 if (first.useColors) {
14902 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14904 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14905 SetMachineThinkingEnables();
14906 first.maybeThinking = TRUE;
14909 if (appData.autoFlipView && flipView) {
14910 flipView = !flipView;
14911 DrawPosition(FALSE, NULL);
14912 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14914 if(bookHit) { // [HGM] book: simulate book reply
14915 static char bookMove[MSG_SIZ]; // a bit generous?
14917 programStats.nodes = programStats.depth = programStats.time =
14918 programStats.score = programStats.got_only_move = 0;
14919 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14921 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14922 strcat(bookMove, bookHit);
14923 HandleMachineMove(bookMove, &first);
14929 DisplayTwoMachinesTitle ()
14932 if (appData.matchGames > 0) {
14933 if(appData.tourneyFile[0]) {
14934 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14935 gameInfo.white, _("vs."), gameInfo.black,
14936 nextGame+1, appData.matchGames+1,
14937 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14939 if (first.twoMachinesColor[0] == 'w') {
14940 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14941 gameInfo.white, _("vs."), gameInfo.black,
14942 first.matchWins, second.matchWins,
14943 matchGame - 1 - (first.matchWins + second.matchWins));
14945 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14946 gameInfo.white, _("vs."), gameInfo.black,
14947 second.matchWins, first.matchWins,
14948 matchGame - 1 - (first.matchWins + second.matchWins));
14951 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14957 SettingsMenuIfReady ()
14959 if (second.lastPing != second.lastPong) {
14960 DisplayMessage("", _("Waiting for second chess program"));
14961 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14965 DisplayMessage("", "");
14966 SettingsPopUp(&second);
14970 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14973 if (cps->pr == NoProc) {
14974 StartChessProgram(cps);
14975 if (cps->protocolVersion == 1) {
14977 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14979 /* kludge: allow timeout for initial "feature" command */
14980 if(retry != TwoMachinesEventIfReady) FreezeUI();
14981 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14982 DisplayMessage("", buf);
14983 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14991 TwoMachinesEvent P((void))
14995 ChessProgramState *onmove;
14996 char *bookHit = NULL;
14997 static int stalling = 0;
15001 if (appData.noChessProgram) return;
15003 switch (gameMode) {
15004 case TwoMachinesPlay:
15006 case MachinePlaysWhite:
15007 case MachinePlaysBlack:
15008 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15009 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15013 case BeginningOfGame:
15014 case PlayFromGameFile:
15017 if (gameMode != EditGame) return;
15020 EditPositionDone(TRUE);
15031 // forwardMostMove = currentMove;
15032 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15033 startingEngine = TRUE;
15035 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15037 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15038 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15039 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15043 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15045 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15046 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15047 startingEngine = matchMode = FALSE;
15048 DisplayError("second engine does not play this", 0);
15049 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15050 EditGameEvent(); // switch back to EditGame mode
15055 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15056 SendToProgram("force\n", &second);
15058 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15062 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15063 if(appData.matchPause>10000 || appData.matchPause<10)
15064 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15065 wait = SubtractTimeMarks(&now, &pauseStart);
15066 if(wait < appData.matchPause) {
15067 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15070 // we are now committed to starting the game
15072 DisplayMessage("", "");
15074 if (startedFromSetupPosition) {
15075 SendBoard(&second, backwardMostMove);
15076 if (appData.debugMode) {
15077 fprintf(debugFP, "Two Machines\n");
15080 for (i = backwardMostMove; i < forwardMostMove; i++) {
15081 SendMoveToProgram(i, &second);
15085 gameMode = TwoMachinesPlay;
15086 pausing = startingEngine = FALSE;
15087 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15089 DisplayTwoMachinesTitle();
15091 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15096 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15097 SendToProgram(first.computerString, &first);
15098 if (first.sendName) {
15099 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15100 SendToProgram(buf, &first);
15103 SendToProgram(second.computerString, &second);
15104 if (second.sendName) {
15105 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15106 SendToProgram(buf, &second);
15111 if (!first.sendTime || !second.sendTime) {
15112 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15113 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15115 if (onmove->sendTime) {
15116 if (onmove->useColors) {
15117 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15119 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15121 if (onmove->useColors) {
15122 SendToProgram(onmove->twoMachinesColor, onmove);
15124 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15125 // SendToProgram("go\n", onmove);
15126 onmove->maybeThinking = TRUE;
15127 SetMachineThinkingEnables();
15131 if(bookHit) { // [HGM] book: simulate book reply
15132 static char bookMove[MSG_SIZ]; // a bit generous?
15134 programStats.nodes = programStats.depth = programStats.time =
15135 programStats.score = programStats.got_only_move = 0;
15136 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15138 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15139 strcat(bookMove, bookHit);
15140 savedMessage = bookMove; // args for deferred call
15141 savedState = onmove;
15142 ScheduleDelayedEvent(DeferredBookMove, 1);
15149 if (gameMode == Training) {
15150 SetTrainingModeOff();
15151 gameMode = PlayFromGameFile;
15152 DisplayMessage("", _("Training mode off"));
15154 gameMode = Training;
15155 animateTraining = appData.animate;
15157 /* make sure we are not already at the end of the game */
15158 if (currentMove < forwardMostMove) {
15159 SetTrainingModeOn();
15160 DisplayMessage("", _("Training mode on"));
15162 gameMode = PlayFromGameFile;
15163 DisplayError(_("Already at end of game"), 0);
15172 if (!appData.icsActive) return;
15173 switch (gameMode) {
15174 case IcsPlayingWhite:
15175 case IcsPlayingBlack:
15178 case BeginningOfGame:
15186 EditPositionDone(TRUE);
15199 gameMode = IcsIdle;
15209 switch (gameMode) {
15211 SetTrainingModeOff();
15213 case MachinePlaysWhite:
15214 case MachinePlaysBlack:
15215 case BeginningOfGame:
15216 SendToProgram("force\n", &first);
15217 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15218 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15220 abortEngineThink = TRUE;
15221 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15222 SendToProgram(buf, &first);
15223 DisplayMessage("Aborting engine think", "");
15227 SetUserThinkingEnables();
15229 case PlayFromGameFile:
15230 (void) StopLoadGameTimer();
15231 if (gameFileFP != NULL) {
15236 EditPositionDone(TRUE);
15241 SendToProgram("force\n", &first);
15243 case TwoMachinesPlay:
15244 GameEnds(EndOfFile, NULL, GE_PLAYER);
15245 ResurrectChessProgram();
15246 SetUserThinkingEnables();
15249 ResurrectChessProgram();
15251 case IcsPlayingBlack:
15252 case IcsPlayingWhite:
15253 DisplayError(_("Warning: You are still playing a game"), 0);
15256 DisplayError(_("Warning: You are still observing a game"), 0);
15259 DisplayError(_("Warning: You are still examining a game"), 0);
15270 first.offeredDraw = second.offeredDraw = 0;
15272 if (gameMode == PlayFromGameFile) {
15273 whiteTimeRemaining = timeRemaining[0][currentMove];
15274 blackTimeRemaining = timeRemaining[1][currentMove];
15278 if (gameMode == MachinePlaysWhite ||
15279 gameMode == MachinePlaysBlack ||
15280 gameMode == TwoMachinesPlay ||
15281 gameMode == EndOfGame) {
15282 i = forwardMostMove;
15283 while (i > currentMove) {
15284 SendToProgram("undo\n", &first);
15287 if(!adjustedClock) {
15288 whiteTimeRemaining = timeRemaining[0][currentMove];
15289 blackTimeRemaining = timeRemaining[1][currentMove];
15290 DisplayBothClocks();
15292 if (whiteFlag || blackFlag) {
15293 whiteFlag = blackFlag = 0;
15298 gameMode = EditGame;
15304 EditPositionEvent ()
15307 if (gameMode == EditPosition) {
15313 if (gameMode != EditGame) return;
15315 gameMode = EditPosition;
15318 CopyBoard(rightsBoard, nullBoard);
15319 if (currentMove > 0)
15320 CopyBoard(boards[0], boards[currentMove]);
15321 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15322 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15324 blackPlaysFirst = !WhiteOnMove(currentMove);
15326 currentMove = forwardMostMove = backwardMostMove = 0;
15327 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15329 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15335 /* [DM] icsEngineAnalyze - possible call from other functions */
15336 if (appData.icsEngineAnalyze) {
15337 appData.icsEngineAnalyze = FALSE;
15339 DisplayMessage("",_("Close ICS engine analyze..."));
15341 if (first.analysisSupport && first.analyzing) {
15342 SendToBoth("exit\n");
15343 first.analyzing = second.analyzing = FALSE;
15345 thinkOutput[0] = NULLCHAR;
15349 EditPositionDone (Boolean fakeRights)
15351 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15353 startedFromSetupPosition = TRUE;
15354 InitChessProgram(&first, FALSE);
15355 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15356 boards[0][EP_STATUS] = EP_NONE;
15357 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15358 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15359 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15360 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15361 } else boards[0][CASTLING][2] = NoRights;
15362 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15363 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15364 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15365 } else boards[0][CASTLING][5] = NoRights;
15366 if(gameInfo.variant == VariantSChess) {
15368 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15369 boards[0][VIRGIN][i] = 0;
15370 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15371 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15375 SendToProgram("force\n", &first);
15376 if (blackPlaysFirst) {
15377 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15378 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15379 currentMove = forwardMostMove = backwardMostMove = 1;
15380 CopyBoard(boards[1], boards[0]);
15382 currentMove = forwardMostMove = backwardMostMove = 0;
15384 SendBoard(&first, forwardMostMove);
15385 if (appData.debugMode) {
15386 fprintf(debugFP, "EditPosDone\n");
15389 DisplayMessage("", "");
15390 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15391 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15392 gameMode = EditGame;
15394 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15395 ClearHighlights(); /* [AS] */
15398 /* Pause for `ms' milliseconds */
15399 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15401 TimeDelay (long ms)
15408 } while (SubtractTimeMarks(&m2, &m1) < ms);
15411 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15413 SendMultiLineToICS (char *buf)
15415 char temp[MSG_SIZ+1], *p;
15422 strncpy(temp, buf, len);
15427 if (*p == '\n' || *p == '\r')
15432 strcat(temp, "\n");
15434 SendToPlayer(temp, strlen(temp));
15438 SetWhiteToPlayEvent ()
15440 if (gameMode == EditPosition) {
15441 blackPlaysFirst = FALSE;
15442 DisplayBothClocks(); /* works because currentMove is 0 */
15443 } else if (gameMode == IcsExamining) {
15444 SendToICS(ics_prefix);
15445 SendToICS("tomove white\n");
15450 SetBlackToPlayEvent ()
15452 if (gameMode == EditPosition) {
15453 blackPlaysFirst = TRUE;
15454 currentMove = 1; /* kludge */
15455 DisplayBothClocks();
15457 } else if (gameMode == IcsExamining) {
15458 SendToICS(ics_prefix);
15459 SendToICS("tomove black\n");
15464 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15467 ChessSquare piece = boards[0][y][x];
15468 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15469 static int lastVariant;
15470 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15472 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15474 switch (selection) {
15476 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15477 MarkTargetSquares(1);
15478 CopyBoard(currentBoard, boards[0]);
15479 CopyBoard(menuBoard, initialPosition);
15480 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15481 SendToICS(ics_prefix);
15482 SendToICS("bsetup clear\n");
15483 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15484 SendToICS(ics_prefix);
15485 SendToICS("clearboard\n");
15488 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15489 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15490 for (y = 0; y < BOARD_HEIGHT; y++) {
15491 if (gameMode == IcsExamining) {
15492 if (boards[currentMove][y][x] != EmptySquare) {
15493 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15497 } else if(boards[0][y][x] != DarkSquare) {
15498 if(boards[0][y][x] != p) nonEmpty++;
15499 boards[0][y][x] = p;
15503 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15505 for(r = 0; r < BOARD_HEIGHT; r++) {
15506 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15507 ChessSquare p = menuBoard[r][x];
15508 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15511 DisplayMessage("Clicking clock again restores position", "");
15512 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15513 if(!nonEmpty) { // asked to clear an empty board
15514 CopyBoard(boards[0], menuBoard);
15516 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15517 CopyBoard(boards[0], initialPosition);
15519 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15520 && !CompareBoards(nullBoard, erasedBoard)) {
15521 CopyBoard(boards[0], erasedBoard);
15523 CopyBoard(erasedBoard, currentBoard);
15527 if (gameMode == EditPosition) {
15528 DrawPosition(FALSE, boards[0]);
15533 SetWhiteToPlayEvent();
15537 SetBlackToPlayEvent();
15541 if (gameMode == IcsExamining) {
15542 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15543 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15546 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15547 if(x == BOARD_LEFT-2) {
15548 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15549 boards[0][y][1] = 0;
15551 if(x == BOARD_RGHT+1) {
15552 if(y >= gameInfo.holdingsSize) break;
15553 boards[0][y][BOARD_WIDTH-2] = 0;
15556 boards[0][y][x] = EmptySquare;
15557 DrawPosition(FALSE, boards[0]);
15562 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15563 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15564 selection = (ChessSquare) (PROMOTED(piece));
15565 } else if(piece == EmptySquare) selection = WhiteSilver;
15566 else selection = (ChessSquare)((int)piece - 1);
15570 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15571 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15572 selection = (ChessSquare) (DEMOTED(piece));
15573 } else if(piece == EmptySquare) selection = BlackSilver;
15574 else selection = (ChessSquare)((int)piece + 1);
15579 if(gameInfo.variant == VariantShatranj ||
15580 gameInfo.variant == VariantXiangqi ||
15581 gameInfo.variant == VariantCourier ||
15582 gameInfo.variant == VariantASEAN ||
15583 gameInfo.variant == VariantMakruk )
15584 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15590 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15596 if(gameInfo.variant == VariantXiangqi)
15597 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15598 if(gameInfo.variant == VariantKnightmate)
15599 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15600 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15603 if (gameMode == IcsExamining) {
15604 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15605 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15606 PieceToChar(selection), AAA + x, ONE + y);
15609 rightsBoard[y][x] = hasRights;
15610 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15612 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15613 n = PieceToNumber(selection - BlackPawn);
15614 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15615 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15616 boards[0][BOARD_HEIGHT-1-n][1]++;
15618 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15619 n = PieceToNumber(selection);
15620 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15621 boards[0][n][BOARD_WIDTH-1] = selection;
15622 boards[0][n][BOARD_WIDTH-2]++;
15625 boards[0][y][x] = selection;
15626 DrawPosition(TRUE, boards[0]);
15628 fromX = fromY = -1;
15636 DropMenuEvent (ChessSquare selection, int x, int y)
15638 ChessMove moveType;
15640 switch (gameMode) {
15641 case IcsPlayingWhite:
15642 case MachinePlaysBlack:
15643 if (!WhiteOnMove(currentMove)) {
15644 DisplayMoveError(_("It is Black's turn"));
15647 moveType = WhiteDrop;
15649 case IcsPlayingBlack:
15650 case MachinePlaysWhite:
15651 if (WhiteOnMove(currentMove)) {
15652 DisplayMoveError(_("It is White's turn"));
15655 moveType = BlackDrop;
15658 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15664 if (moveType == BlackDrop && selection < BlackPawn) {
15665 selection = (ChessSquare) ((int) selection
15666 + (int) BlackPawn - (int) WhitePawn);
15668 if (boards[currentMove][y][x] != EmptySquare) {
15669 DisplayMoveError(_("That square is occupied"));
15673 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15679 /* Accept a pending offer of any kind from opponent */
15681 if (appData.icsActive) {
15682 SendToICS(ics_prefix);
15683 SendToICS("accept\n");
15684 } else if (cmailMsgLoaded) {
15685 if (currentMove == cmailOldMove &&
15686 commentList[cmailOldMove] != NULL &&
15687 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15688 "Black offers a draw" : "White offers a draw")) {
15690 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15691 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15693 DisplayError(_("There is no pending offer on this move"), 0);
15694 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15697 /* Not used for offers from chess program */
15704 /* Decline a pending offer of any kind from opponent */
15706 if (appData.icsActive) {
15707 SendToICS(ics_prefix);
15708 SendToICS("decline\n");
15709 } else if (cmailMsgLoaded) {
15710 if (currentMove == cmailOldMove &&
15711 commentList[cmailOldMove] != NULL &&
15712 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15713 "Black offers a draw" : "White offers a draw")) {
15715 AppendComment(cmailOldMove, "Draw declined", TRUE);
15716 DisplayComment(cmailOldMove - 1, "Draw declined");
15719 DisplayError(_("There is no pending offer on this move"), 0);
15722 /* Not used for offers from chess program */
15729 /* Issue ICS rematch command */
15730 if (appData.icsActive) {
15731 SendToICS(ics_prefix);
15732 SendToICS("rematch\n");
15739 /* Call your opponent's flag (claim a win on time) */
15740 if (appData.icsActive) {
15741 SendToICS(ics_prefix);
15742 SendToICS("flag\n");
15744 switch (gameMode) {
15747 case MachinePlaysWhite:
15750 GameEnds(GameIsDrawn, "Both players ran out of time",
15753 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15755 DisplayError(_("Your opponent is not out of time"), 0);
15758 case MachinePlaysBlack:
15761 GameEnds(GameIsDrawn, "Both players ran out of time",
15764 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15766 DisplayError(_("Your opponent is not out of time"), 0);
15774 ClockClick (int which)
15775 { // [HGM] code moved to back-end from winboard.c
15776 if(which) { // black clock
15777 if (gameMode == EditPosition || gameMode == IcsExamining) {
15778 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15779 SetBlackToPlayEvent();
15780 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15781 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15782 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15783 } else if (shiftKey) {
15784 AdjustClock(which, -1);
15785 } else if (gameMode == IcsPlayingWhite ||
15786 gameMode == MachinePlaysBlack) {
15789 } else { // white clock
15790 if (gameMode == EditPosition || gameMode == IcsExamining) {
15791 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15792 SetWhiteToPlayEvent();
15793 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15794 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15795 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15796 } else if (shiftKey) {
15797 AdjustClock(which, -1);
15798 } else if (gameMode == IcsPlayingBlack ||
15799 gameMode == MachinePlaysWhite) {
15808 /* Offer draw or accept pending draw offer from opponent */
15810 if (appData.icsActive) {
15811 /* Note: tournament rules require draw offers to be
15812 made after you make your move but before you punch
15813 your clock. Currently ICS doesn't let you do that;
15814 instead, you immediately punch your clock after making
15815 a move, but you can offer a draw at any time. */
15817 SendToICS(ics_prefix);
15818 SendToICS("draw\n");
15819 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15820 } else if (cmailMsgLoaded) {
15821 if (currentMove == cmailOldMove &&
15822 commentList[cmailOldMove] != NULL &&
15823 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15824 "Black offers a draw" : "White offers a draw")) {
15825 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15826 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15827 } else if (currentMove == cmailOldMove + 1) {
15828 char *offer = WhiteOnMove(cmailOldMove) ?
15829 "White offers a draw" : "Black offers a draw";
15830 AppendComment(currentMove, offer, TRUE);
15831 DisplayComment(currentMove - 1, offer);
15832 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15834 DisplayError(_("You must make your move before offering a draw"), 0);
15835 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15837 } else if (first.offeredDraw) {
15838 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15840 if (first.sendDrawOffers) {
15841 SendToProgram("draw\n", &first);
15842 userOfferedDraw = TRUE;
15850 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15852 if (appData.icsActive) {
15853 SendToICS(ics_prefix);
15854 SendToICS("adjourn\n");
15856 /* Currently GNU Chess doesn't offer or accept Adjourns */
15864 /* Offer Abort or accept pending Abort offer from opponent */
15866 if (appData.icsActive) {
15867 SendToICS(ics_prefix);
15868 SendToICS("abort\n");
15870 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15877 /* Resign. You can do this even if it's not your turn. */
15879 if (appData.icsActive) {
15880 SendToICS(ics_prefix);
15881 SendToICS("resign\n");
15883 switch (gameMode) {
15884 case MachinePlaysWhite:
15885 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15887 case MachinePlaysBlack:
15888 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15891 if (cmailMsgLoaded) {
15893 if (WhiteOnMove(cmailOldMove)) {
15894 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15896 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15898 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15909 StopObservingEvent ()
15911 /* Stop observing current games */
15912 SendToICS(ics_prefix);
15913 SendToICS("unobserve\n");
15917 StopExaminingEvent ()
15919 /* Stop observing current game */
15920 SendToICS(ics_prefix);
15921 SendToICS("unexamine\n");
15925 ForwardInner (int target)
15927 int limit; int oldSeekGraphUp = seekGraphUp;
15929 if (appData.debugMode)
15930 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15931 target, currentMove, forwardMostMove);
15933 if (gameMode == EditPosition)
15936 seekGraphUp = FALSE;
15937 MarkTargetSquares(1);
15938 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15940 if (gameMode == PlayFromGameFile && !pausing)
15943 if (gameMode == IcsExamining && pausing)
15944 limit = pauseExamForwardMostMove;
15946 limit = forwardMostMove;
15948 if (target > limit) target = limit;
15950 if (target > 0 && moveList[target - 1][0]) {
15951 int fromX, fromY, toX, toY;
15952 toX = moveList[target - 1][2] - AAA;
15953 toY = moveList[target - 1][3] - ONE;
15954 if (moveList[target - 1][1] == '@') {
15955 if (appData.highlightLastMove) {
15956 SetHighlights(-1, -1, toX, toY);
15959 fromX = moveList[target - 1][0] - AAA;
15960 fromY = moveList[target - 1][1] - ONE;
15961 if (target == currentMove + 1) {
15962 if(moveList[target - 1][4] == ';') { // multi-leg
15963 killX = moveList[target - 1][5] - AAA;
15964 killY = moveList[target - 1][6] - ONE;
15966 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15967 killX = killY = -1;
15969 if (appData.highlightLastMove) {
15970 SetHighlights(fromX, fromY, toX, toY);
15974 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15975 gameMode == Training || gameMode == PlayFromGameFile ||
15976 gameMode == AnalyzeFile) {
15977 while (currentMove < target) {
15978 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15979 SendMoveToProgram(currentMove++, &first);
15982 currentMove = target;
15985 if (gameMode == EditGame || gameMode == EndOfGame) {
15986 whiteTimeRemaining = timeRemaining[0][currentMove];
15987 blackTimeRemaining = timeRemaining[1][currentMove];
15989 DisplayBothClocks();
15990 DisplayMove(currentMove - 1);
15991 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15992 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15993 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15994 DisplayComment(currentMove - 1, commentList[currentMove]);
15996 ClearMap(); // [HGM] exclude: invalidate map
16003 if (gameMode == IcsExamining && !pausing) {
16004 SendToICS(ics_prefix);
16005 SendToICS("forward\n");
16007 ForwardInner(currentMove + 1);
16014 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16015 /* to optimze, we temporarily turn off analysis mode while we feed
16016 * the remaining moves to the engine. Otherwise we get analysis output
16019 if (first.analysisSupport) {
16020 SendToProgram("exit\nforce\n", &first);
16021 first.analyzing = FALSE;
16025 if (gameMode == IcsExamining && !pausing) {
16026 SendToICS(ics_prefix);
16027 SendToICS("forward 999999\n");
16029 ForwardInner(forwardMostMove);
16032 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16033 /* we have fed all the moves, so reactivate analysis mode */
16034 SendToProgram("analyze\n", &first);
16035 first.analyzing = TRUE;
16036 /*first.maybeThinking = TRUE;*/
16037 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16042 BackwardInner (int target)
16044 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16046 if (appData.debugMode)
16047 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16048 target, currentMove, forwardMostMove);
16050 if (gameMode == EditPosition) return;
16051 seekGraphUp = FALSE;
16052 MarkTargetSquares(1);
16053 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16054 if (currentMove <= backwardMostMove) {
16056 DrawPosition(full_redraw, boards[currentMove]);
16059 if (gameMode == PlayFromGameFile && !pausing)
16062 if (moveList[target][0]) {
16063 int fromX, fromY, toX, toY;
16064 toX = moveList[target][2] - AAA;
16065 toY = moveList[target][3] - ONE;
16066 if (moveList[target][1] == '@') {
16067 if (appData.highlightLastMove) {
16068 SetHighlights(-1, -1, toX, toY);
16071 fromX = moveList[target][0] - AAA;
16072 fromY = moveList[target][1] - ONE;
16073 if (target == currentMove - 1) {
16074 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16076 if (appData.highlightLastMove) {
16077 SetHighlights(fromX, fromY, toX, toY);
16081 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16082 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16083 while (currentMove > target) {
16084 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16085 // null move cannot be undone. Reload program with move history before it.
16087 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16088 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16090 SendBoard(&first, i);
16091 if(second.analyzing) SendBoard(&second, i);
16092 for(currentMove=i; currentMove<target; currentMove++) {
16093 SendMoveToProgram(currentMove, &first);
16094 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16098 SendToBoth("undo\n");
16102 currentMove = target;
16105 if (gameMode == EditGame || gameMode == EndOfGame) {
16106 whiteTimeRemaining = timeRemaining[0][currentMove];
16107 blackTimeRemaining = timeRemaining[1][currentMove];
16109 DisplayBothClocks();
16110 DisplayMove(currentMove - 1);
16111 DrawPosition(full_redraw, boards[currentMove]);
16112 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16113 // [HGM] PV info: routine tests if comment empty
16114 DisplayComment(currentMove - 1, commentList[currentMove]);
16115 ClearMap(); // [HGM] exclude: invalidate map
16121 if (gameMode == IcsExamining && !pausing) {
16122 SendToICS(ics_prefix);
16123 SendToICS("backward\n");
16125 BackwardInner(currentMove - 1);
16132 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16133 /* to optimize, we temporarily turn off analysis mode while we undo
16134 * all the moves. Otherwise we get analysis output after each undo.
16136 if (first.analysisSupport) {
16137 SendToProgram("exit\nforce\n", &first);
16138 first.analyzing = FALSE;
16142 if (gameMode == IcsExamining && !pausing) {
16143 SendToICS(ics_prefix);
16144 SendToICS("backward 999999\n");
16146 BackwardInner(backwardMostMove);
16149 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16150 /* we have fed all the moves, so reactivate analysis mode */
16151 SendToProgram("analyze\n", &first);
16152 first.analyzing = TRUE;
16153 /*first.maybeThinking = TRUE;*/
16154 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16161 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16162 if (to >= forwardMostMove) to = forwardMostMove;
16163 if (to <= backwardMostMove) to = backwardMostMove;
16164 if (to < currentMove) {
16172 RevertEvent (Boolean annotate)
16174 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16177 if (gameMode != IcsExamining) {
16178 DisplayError(_("You are not examining a game"), 0);
16182 DisplayError(_("You can't revert while pausing"), 0);
16185 SendToICS(ics_prefix);
16186 SendToICS("revert\n");
16190 RetractMoveEvent ()
16192 switch (gameMode) {
16193 case MachinePlaysWhite:
16194 case MachinePlaysBlack:
16195 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16196 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16199 if (forwardMostMove < 2) return;
16200 currentMove = forwardMostMove = forwardMostMove - 2;
16201 whiteTimeRemaining = timeRemaining[0][currentMove];
16202 blackTimeRemaining = timeRemaining[1][currentMove];
16203 DisplayBothClocks();
16204 DisplayMove(currentMove - 1);
16205 ClearHighlights();/*!! could figure this out*/
16206 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16207 SendToProgram("remove\n", &first);
16208 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16211 case BeginningOfGame:
16215 case IcsPlayingWhite:
16216 case IcsPlayingBlack:
16217 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16218 SendToICS(ics_prefix);
16219 SendToICS("takeback 2\n");
16221 SendToICS(ics_prefix);
16222 SendToICS("takeback 1\n");
16231 ChessProgramState *cps;
16233 switch (gameMode) {
16234 case MachinePlaysWhite:
16235 if (!WhiteOnMove(forwardMostMove)) {
16236 DisplayError(_("It is your turn"), 0);
16241 case MachinePlaysBlack:
16242 if (WhiteOnMove(forwardMostMove)) {
16243 DisplayError(_("It is your turn"), 0);
16248 case TwoMachinesPlay:
16249 if (WhiteOnMove(forwardMostMove) ==
16250 (first.twoMachinesColor[0] == 'w')) {
16256 case BeginningOfGame:
16260 SendToProgram("?\n", cps);
16264 TruncateGameEvent ()
16267 if (gameMode != EditGame) return;
16274 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16275 if (forwardMostMove > currentMove) {
16276 if (gameInfo.resultDetails != NULL) {
16277 free(gameInfo.resultDetails);
16278 gameInfo.resultDetails = NULL;
16279 gameInfo.result = GameUnfinished;
16281 forwardMostMove = currentMove;
16282 HistorySet(parseList, backwardMostMove, forwardMostMove,
16290 if (appData.noChessProgram) return;
16291 switch (gameMode) {
16292 case MachinePlaysWhite:
16293 if (WhiteOnMove(forwardMostMove)) {
16294 DisplayError(_("Wait until your turn."), 0);
16298 case BeginningOfGame:
16299 case MachinePlaysBlack:
16300 if (!WhiteOnMove(forwardMostMove)) {
16301 DisplayError(_("Wait until your turn."), 0);
16306 DisplayError(_("No hint available"), 0);
16309 SendToProgram("hint\n", &first);
16310 hintRequested = TRUE;
16314 SaveSelected (FILE *g, int dummy, char *dummy2)
16316 ListGame * lg = (ListGame *) gameList.head;
16320 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16321 DisplayError(_("Game list not loaded or empty"), 0);
16325 creatingBook = TRUE; // suppresses stuff during load game
16327 /* Get list size */
16328 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16329 if(lg->position >= 0) { // selected?
16330 LoadGame(f, nItem, "", TRUE);
16331 SaveGamePGN2(g); // leaves g open
16334 lg = (ListGame *) lg->node.succ;
16338 creatingBook = FALSE;
16346 ListGame * lg = (ListGame *) gameList.head;
16349 static int secondTime = FALSE;
16351 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16352 DisplayError(_("Game list not loaded or empty"), 0);
16356 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16359 DisplayNote(_("Book file exists! Try again for overwrite."));
16363 creatingBook = TRUE;
16364 secondTime = FALSE;
16366 /* Get list size */
16367 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16368 if(lg->position >= 0) {
16369 LoadGame(f, nItem, "", TRUE);
16370 AddGameToBook(TRUE);
16373 lg = (ListGame *) lg->node.succ;
16376 creatingBook = FALSE;
16383 if (appData.noChessProgram) return;
16384 switch (gameMode) {
16385 case MachinePlaysWhite:
16386 if (WhiteOnMove(forwardMostMove)) {
16387 DisplayError(_("Wait until your turn."), 0);
16391 case BeginningOfGame:
16392 case MachinePlaysBlack:
16393 if (!WhiteOnMove(forwardMostMove)) {
16394 DisplayError(_("Wait until your turn."), 0);
16399 EditPositionDone(TRUE);
16401 case TwoMachinesPlay:
16406 SendToProgram("bk\n", &first);
16407 bookOutput[0] = NULLCHAR;
16408 bookRequested = TRUE;
16414 char *tags = PGNTags(&gameInfo);
16415 TagsPopUp(tags, CmailMsg());
16419 /* end button procedures */
16422 PrintPosition (FILE *fp, int move)
16426 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16427 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16428 char c = PieceToChar(boards[move][i][j]);
16429 fputc(c == '?' ? '.' : c, fp);
16430 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16433 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16434 fprintf(fp, "white to play\n");
16436 fprintf(fp, "black to play\n");
16440 PrintOpponents (FILE *fp)
16442 if (gameInfo.white != NULL) {
16443 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16449 /* Find last component of program's own name, using some heuristics */
16451 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16454 int local = (strcmp(host, "localhost") == 0);
16455 while (!local && (p = strchr(prog, ';')) != NULL) {
16457 while (*p == ' ') p++;
16460 if (*prog == '"' || *prog == '\'') {
16461 q = strchr(prog + 1, *prog);
16463 q = strchr(prog, ' ');
16465 if (q == NULL) q = prog + strlen(prog);
16467 while (p >= prog && *p != '/' && *p != '\\') p--;
16469 if(p == prog && *p == '"') p++;
16471 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16472 memcpy(buf, p, q - p);
16473 buf[q - p] = NULLCHAR;
16481 TimeControlTagValue ()
16484 if (!appData.clockMode) {
16485 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16486 } else if (movesPerSession > 0) {
16487 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16488 } else if (timeIncrement == 0) {
16489 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16491 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16493 return StrSave(buf);
16499 /* This routine is used only for certain modes */
16500 VariantClass v = gameInfo.variant;
16501 ChessMove r = GameUnfinished;
16504 if(keepInfo) return;
16506 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16507 r = gameInfo.result;
16508 p = gameInfo.resultDetails;
16509 gameInfo.resultDetails = NULL;
16511 ClearGameInfo(&gameInfo);
16512 gameInfo.variant = v;
16514 switch (gameMode) {
16515 case MachinePlaysWhite:
16516 gameInfo.event = StrSave( appData.pgnEventHeader );
16517 gameInfo.site = StrSave(HostName());
16518 gameInfo.date = PGNDate();
16519 gameInfo.round = StrSave("-");
16520 gameInfo.white = StrSave(first.tidy);
16521 gameInfo.black = StrSave(UserName());
16522 gameInfo.timeControl = TimeControlTagValue();
16525 case MachinePlaysBlack:
16526 gameInfo.event = StrSave( appData.pgnEventHeader );
16527 gameInfo.site = StrSave(HostName());
16528 gameInfo.date = PGNDate();
16529 gameInfo.round = StrSave("-");
16530 gameInfo.white = StrSave(UserName());
16531 gameInfo.black = StrSave(first.tidy);
16532 gameInfo.timeControl = TimeControlTagValue();
16535 case TwoMachinesPlay:
16536 gameInfo.event = StrSave( appData.pgnEventHeader );
16537 gameInfo.site = StrSave(HostName());
16538 gameInfo.date = PGNDate();
16541 snprintf(buf, MSG_SIZ, "%d", roundNr);
16542 gameInfo.round = StrSave(buf);
16544 gameInfo.round = StrSave("-");
16546 if (first.twoMachinesColor[0] == 'w') {
16547 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16548 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16550 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16551 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16553 gameInfo.timeControl = TimeControlTagValue();
16557 gameInfo.event = StrSave("Edited game");
16558 gameInfo.site = StrSave(HostName());
16559 gameInfo.date = PGNDate();
16560 gameInfo.round = StrSave("-");
16561 gameInfo.white = StrSave("-");
16562 gameInfo.black = StrSave("-");
16563 gameInfo.result = r;
16564 gameInfo.resultDetails = p;
16568 gameInfo.event = StrSave("Edited position");
16569 gameInfo.site = StrSave(HostName());
16570 gameInfo.date = PGNDate();
16571 gameInfo.round = StrSave("-");
16572 gameInfo.white = StrSave("-");
16573 gameInfo.black = StrSave("-");
16576 case IcsPlayingWhite:
16577 case IcsPlayingBlack:
16582 case PlayFromGameFile:
16583 gameInfo.event = StrSave("Game from non-PGN file");
16584 gameInfo.site = StrSave(HostName());
16585 gameInfo.date = PGNDate();
16586 gameInfo.round = StrSave("-");
16587 gameInfo.white = StrSave("?");
16588 gameInfo.black = StrSave("?");
16597 ReplaceComment (int index, char *text)
16603 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16604 pvInfoList[index-1].depth == len &&
16605 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16606 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16607 while (*text == '\n') text++;
16608 len = strlen(text);
16609 while (len > 0 && text[len - 1] == '\n') len--;
16611 if (commentList[index] != NULL)
16612 free(commentList[index]);
16615 commentList[index] = NULL;
16618 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16619 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16620 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16621 commentList[index] = (char *) malloc(len + 2);
16622 strncpy(commentList[index], text, len);
16623 commentList[index][len] = '\n';
16624 commentList[index][len + 1] = NULLCHAR;
16626 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16628 commentList[index] = (char *) malloc(len + 7);
16629 safeStrCpy(commentList[index], "{\n", 3);
16630 safeStrCpy(commentList[index]+2, text, len+1);
16631 commentList[index][len+2] = NULLCHAR;
16632 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16633 strcat(commentList[index], "\n}\n");
16638 CrushCRs (char *text)
16646 if (ch == '\r') continue;
16648 } while (ch != '\0');
16652 AppendComment (int index, char *text, Boolean addBraces)
16653 /* addBraces tells if we should add {} */
16658 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16659 if(addBraces == 3) addBraces = 0; else // force appending literally
16660 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16663 while (*text == '\n') text++;
16664 len = strlen(text);
16665 while (len > 0 && text[len - 1] == '\n') len--;
16666 text[len] = NULLCHAR;
16668 if (len == 0) return;
16670 if (commentList[index] != NULL) {
16671 Boolean addClosingBrace = addBraces;
16672 old = commentList[index];
16673 oldlen = strlen(old);
16674 while(commentList[index][oldlen-1] == '\n')
16675 commentList[index][--oldlen] = NULLCHAR;
16676 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16677 safeStrCpy(commentList[index], old, oldlen + len + 6);
16679 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16680 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16681 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16682 while (*text == '\n') { text++; len--; }
16683 commentList[index][--oldlen] = NULLCHAR;
16685 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16686 else strcat(commentList[index], "\n");
16687 strcat(commentList[index], text);
16688 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16689 else strcat(commentList[index], "\n");
16691 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16693 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16694 else commentList[index][0] = NULLCHAR;
16695 strcat(commentList[index], text);
16696 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16697 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16702 FindStr (char * text, char * sub_text)
16704 char * result = strstr( text, sub_text );
16706 if( result != NULL ) {
16707 result += strlen( sub_text );
16713 /* [AS] Try to extract PV info from PGN comment */
16714 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16716 GetInfoFromComment (int index, char * text)
16718 char * sep = text, *p;
16720 if( text != NULL && index > 0 ) {
16723 int time = -1, sec = 0, deci;
16724 char * s_eval = FindStr( text, "[%eval " );
16725 char * s_emt = FindStr( text, "[%emt " );
16727 if( s_eval != NULL || s_emt != NULL ) {
16729 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16734 if( s_eval != NULL ) {
16735 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16739 if( delim != ']' ) {
16744 if( s_emt != NULL ) {
16749 /* We expect something like: [+|-]nnn.nn/dd */
16752 if(*text != '{') return text; // [HGM] braces: must be normal comment
16754 sep = strchr( text, '/' );
16755 if( sep == NULL || sep < (text+4) ) {
16760 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16761 if(p[1] == '(') { // comment starts with PV
16762 p = strchr(p, ')'); // locate end of PV
16763 if(p == NULL || sep < p+5) return text;
16764 // at this point we have something like "{(.*) +0.23/6 ..."
16765 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16766 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16767 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16769 time = -1; sec = -1; deci = -1;
16770 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16771 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16772 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16773 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16777 if( score_lo < 0 || score_lo >= 100 ) {
16781 if(sec >= 0) time = 600*time + 10*sec; else
16782 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16784 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16786 /* [HGM] PV time: now locate end of PV info */
16787 while( *++sep >= '0' && *sep <= '9'); // strip depth
16789 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16791 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16793 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16794 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16805 pvInfoList[index-1].depth = depth;
16806 pvInfoList[index-1].score = score;
16807 pvInfoList[index-1].time = 10*time; // centi-sec
16808 if(*sep == '}') *sep = 0; else *--sep = '{';
16810 while(*p++ = *sep++)
16813 } // squeeze out space between PV and comment, and return both
16819 SendToProgram (char *message, ChessProgramState *cps)
16821 int count, outCount, error;
16824 if (cps->pr == NoProc) return;
16827 if (appData.debugMode) {
16830 fprintf(debugFP, "%ld >%-6s: %s",
16831 SubtractTimeMarks(&now, &programStartTime),
16832 cps->which, message);
16834 fprintf(serverFP, "%ld >%-6s: %s",
16835 SubtractTimeMarks(&now, &programStartTime),
16836 cps->which, message), fflush(serverFP);
16839 count = strlen(message);
16840 outCount = OutputToProcess(cps->pr, message, count, &error);
16841 if (outCount < count && !exiting
16842 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16843 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16844 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16845 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16846 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16847 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16848 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16849 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16851 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16852 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16853 gameInfo.result = res;
16855 gameInfo.resultDetails = StrSave(buf);
16857 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16858 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16863 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16867 ChessProgramState *cps = (ChessProgramState *)closure;
16869 if (isr != cps->isr) return; /* Killed intentionally */
16872 RemoveInputSource(cps->isr);
16873 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16874 _(cps->which), cps->program);
16875 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16876 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16877 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16878 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16879 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16880 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16882 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16883 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16884 gameInfo.result = res;
16886 gameInfo.resultDetails = StrSave(buf);
16888 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16889 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16891 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16892 _(cps->which), cps->program);
16893 RemoveInputSource(cps->isr);
16895 /* [AS] Program is misbehaving badly... kill it */
16896 if( count == -2 ) {
16897 DestroyChildProcess( cps->pr, 9 );
16901 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16906 if ((end_str = strchr(message, '\r')) != NULL)
16907 *end_str = NULLCHAR;
16908 if ((end_str = strchr(message, '\n')) != NULL)
16909 *end_str = NULLCHAR;
16911 if (appData.debugMode) {
16912 TimeMark now; int print = 1;
16913 char *quote = ""; char c; int i;
16915 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16916 char start = message[0];
16917 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16918 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16919 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16920 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16921 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16922 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16923 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16924 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16925 sscanf(message, "hint: %c", &c)!=1 &&
16926 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16927 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16928 print = (appData.engineComments >= 2);
16930 message[0] = start; // restore original message
16934 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16935 SubtractTimeMarks(&now, &programStartTime), cps->which,
16939 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16940 SubtractTimeMarks(&now, &programStartTime), cps->which,
16942 message), fflush(serverFP);
16946 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16947 if (appData.icsEngineAnalyze) {
16948 if (strstr(message, "whisper") != NULL ||
16949 strstr(message, "kibitz") != NULL ||
16950 strstr(message, "tellics") != NULL) return;
16953 HandleMachineMove(message, cps);
16958 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16963 if( timeControl_2 > 0 ) {
16964 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16965 tc = timeControl_2;
16968 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16969 inc /= cps->timeOdds;
16970 st /= cps->timeOdds;
16972 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16975 /* Set exact time per move, normally using st command */
16976 if (cps->stKludge) {
16977 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16979 if (seconds == 0) {
16980 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16982 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16985 snprintf(buf, MSG_SIZ, "st %d\n", st);
16988 /* Set conventional or incremental time control, using level command */
16989 if (seconds == 0) {
16990 /* Note old gnuchess bug -- minutes:seconds used to not work.
16991 Fixed in later versions, but still avoid :seconds
16992 when seconds is 0. */
16993 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16995 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16996 seconds, inc/1000.);
16999 SendToProgram(buf, cps);
17001 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17002 /* Orthogonally, limit search to given depth */
17004 if (cps->sdKludge) {
17005 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17007 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17009 SendToProgram(buf, cps);
17012 if(cps->nps >= 0) { /* [HGM] nps */
17013 if(cps->supportsNPS == FALSE)
17014 cps->nps = -1; // don't use if engine explicitly says not supported!
17016 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17017 SendToProgram(buf, cps);
17022 ChessProgramState *
17024 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17026 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17027 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17033 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17035 char message[MSG_SIZ];
17038 /* Note: this routine must be called when the clocks are stopped
17039 or when they have *just* been set or switched; otherwise
17040 it will be off by the time since the current tick started.
17042 if (machineWhite) {
17043 time = whiteTimeRemaining / 10;
17044 otime = blackTimeRemaining / 10;
17046 time = blackTimeRemaining / 10;
17047 otime = whiteTimeRemaining / 10;
17049 /* [HGM] translate opponent's time by time-odds factor */
17050 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17052 if (time <= 0) time = 1;
17053 if (otime <= 0) otime = 1;
17055 snprintf(message, MSG_SIZ, "time %ld\n", time);
17056 SendToProgram(message, cps);
17058 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17059 SendToProgram(message, cps);
17063 EngineDefinedVariant (ChessProgramState *cps, int n)
17064 { // return name of n-th unknown variant that engine supports
17065 static char buf[MSG_SIZ];
17066 char *p, *s = cps->variants;
17067 if(!s) return NULL;
17068 do { // parse string from variants feature
17070 p = strchr(s, ',');
17071 if(p) *p = NULLCHAR;
17072 v = StringToVariant(s);
17073 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17074 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17075 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17076 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17077 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17078 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17079 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17082 if(n < 0) return buf;
17088 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17091 int len = strlen(name);
17094 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17096 sscanf(*p, "%d", &val);
17098 while (**p && **p != ' ')
17100 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17101 SendToProgram(buf, cps);
17108 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17111 int len = strlen(name);
17112 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17114 sscanf(*p, "%d", loc);
17115 while (**p && **p != ' ') (*p)++;
17116 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17117 SendToProgram(buf, cps);
17124 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17127 int len = strlen(name);
17128 if (strncmp((*p), name, len) == 0
17129 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17131 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17132 sscanf(*p, "%[^\"]", *loc);
17133 while (**p && **p != '\"') (*p)++;
17134 if (**p == '\"') (*p)++;
17135 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17136 SendToProgram(buf, cps);
17143 ParseOption (Option *opt, ChessProgramState *cps)
17144 // [HGM] options: process the string that defines an engine option, and determine
17145 // name, type, default value, and allowed value range
17147 char *p, *q, buf[MSG_SIZ];
17148 int n, min = (-1)<<31, max = 1<<31, def;
17150 opt->target = &opt->value; // OK for spin/slider and checkbox
17151 if(p = strstr(opt->name, " -spin ")) {
17152 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17153 if(max < min) max = min; // enforce consistency
17154 if(def < min) def = min;
17155 if(def > max) def = max;
17160 } else if((p = strstr(opt->name, " -slider "))) {
17161 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17162 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17163 if(max < min) max = min; // enforce consistency
17164 if(def < min) def = min;
17165 if(def > max) def = max;
17169 opt->type = Spin; // Slider;
17170 } else if((p = strstr(opt->name, " -string "))) {
17171 opt->textValue = p+9;
17172 opt->type = TextBox;
17173 opt->target = &opt->textValue;
17174 } else if((p = strstr(opt->name, " -file "))) {
17175 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17176 opt->target = opt->textValue = p+7;
17177 opt->type = FileName; // FileName;
17178 opt->target = &opt->textValue;
17179 } else if((p = strstr(opt->name, " -path "))) {
17180 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17181 opt->target = opt->textValue = p+7;
17182 opt->type = PathName; // PathName;
17183 opt->target = &opt->textValue;
17184 } else if(p = strstr(opt->name, " -check ")) {
17185 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17186 opt->value = (def != 0);
17187 opt->type = CheckBox;
17188 } else if(p = strstr(opt->name, " -combo ")) {
17189 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17190 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17191 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17192 opt->value = n = 0;
17193 while(q = StrStr(q, " /// ")) {
17194 n++; *q = 0; // count choices, and null-terminate each of them
17196 if(*q == '*') { // remember default, which is marked with * prefix
17200 cps->comboList[cps->comboCnt++] = q;
17202 cps->comboList[cps->comboCnt++] = NULL;
17204 opt->type = ComboBox;
17205 } else if(p = strstr(opt->name, " -button")) {
17206 opt->type = Button;
17207 } else if(p = strstr(opt->name, " -save")) {
17208 opt->type = SaveButton;
17209 } else return FALSE;
17210 *p = 0; // terminate option name
17211 // now look if the command-line options define a setting for this engine option.
17212 if(cps->optionSettings && cps->optionSettings[0])
17213 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17214 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17215 snprintf(buf, MSG_SIZ, "option %s", p);
17216 if(p = strstr(buf, ",")) *p = 0;
17217 if(q = strchr(buf, '=')) switch(opt->type) {
17219 for(n=0; n<opt->max; n++)
17220 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17223 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17227 opt->value = atoi(q+1);
17232 SendToProgram(buf, cps);
17238 FeatureDone (ChessProgramState *cps, int val)
17240 DelayedEventCallback cb = GetDelayedEvent();
17241 if ((cb == InitBackEnd3 && cps == &first) ||
17242 (cb == SettingsMenuIfReady && cps == &second) ||
17243 (cb == LoadEngine) ||
17244 (cb == TwoMachinesEventIfReady)) {
17245 CancelDelayedEvent();
17246 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17247 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17248 cps->initDone = val;
17249 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17252 /* Parse feature command from engine */
17254 ParseFeatures (char *args, ChessProgramState *cps)
17262 while (*p == ' ') p++;
17263 if (*p == NULLCHAR) return;
17265 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17266 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17267 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17268 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17269 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17270 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17271 if (BoolFeature(&p, "reuse", &val, cps)) {
17272 /* Engine can disable reuse, but can't enable it if user said no */
17273 if (!val) cps->reuse = FALSE;
17276 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17277 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17278 if (gameMode == TwoMachinesPlay) {
17279 DisplayTwoMachinesTitle();
17285 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17286 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17287 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17288 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17289 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17290 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17291 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17292 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17293 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17294 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17295 if (IntFeature(&p, "done", &val, cps)) {
17296 FeatureDone(cps, val);
17299 /* Added by Tord: */
17300 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17301 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17302 /* End of additions by Tord */
17304 /* [HGM] added features: */
17305 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17306 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17307 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17308 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17309 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17310 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17311 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17312 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17313 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17314 FREE(cps->option[cps->nrOptions].name);
17315 cps->option[cps->nrOptions].name = q; q = NULL;
17316 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17317 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17318 SendToProgram(buf, cps);
17321 if(cps->nrOptions >= MAX_OPTIONS) {
17323 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17324 DisplayError(buf, 0);
17328 /* End of additions by HGM */
17330 /* unknown feature: complain and skip */
17332 while (*q && *q != '=') q++;
17333 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17334 SendToProgram(buf, cps);
17340 while (*p && *p != '\"') p++;
17341 if (*p == '\"') p++;
17343 while (*p && *p != ' ') p++;
17351 PeriodicUpdatesEvent (int newState)
17353 if (newState == appData.periodicUpdates)
17356 appData.periodicUpdates=newState;
17358 /* Display type changes, so update it now */
17359 // DisplayAnalysis();
17361 /* Get the ball rolling again... */
17363 AnalysisPeriodicEvent(1);
17364 StartAnalysisClock();
17369 PonderNextMoveEvent (int newState)
17371 if (newState == appData.ponderNextMove) return;
17372 if (gameMode == EditPosition) EditPositionDone(TRUE);
17374 SendToProgram("hard\n", &first);
17375 if (gameMode == TwoMachinesPlay) {
17376 SendToProgram("hard\n", &second);
17379 SendToProgram("easy\n", &first);
17380 thinkOutput[0] = NULLCHAR;
17381 if (gameMode == TwoMachinesPlay) {
17382 SendToProgram("easy\n", &second);
17385 appData.ponderNextMove = newState;
17389 NewSettingEvent (int option, int *feature, char *command, int value)
17393 if (gameMode == EditPosition) EditPositionDone(TRUE);
17394 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17395 if(feature == NULL || *feature) SendToProgram(buf, &first);
17396 if (gameMode == TwoMachinesPlay) {
17397 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17402 ShowThinkingEvent ()
17403 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17405 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17406 int newState = appData.showThinking
17407 // [HGM] thinking: other features now need thinking output as well
17408 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17410 if (oldState == newState) return;
17411 oldState = newState;
17412 if (gameMode == EditPosition) EditPositionDone(TRUE);
17414 SendToProgram("post\n", &first);
17415 if (gameMode == TwoMachinesPlay) {
17416 SendToProgram("post\n", &second);
17419 SendToProgram("nopost\n", &first);
17420 thinkOutput[0] = NULLCHAR;
17421 if (gameMode == TwoMachinesPlay) {
17422 SendToProgram("nopost\n", &second);
17425 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17429 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17431 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17432 if (pr == NoProc) return;
17433 AskQuestion(title, question, replyPrefix, pr);
17437 TypeInEvent (char firstChar)
17439 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17440 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17441 gameMode == AnalyzeMode || gameMode == EditGame ||
17442 gameMode == EditPosition || gameMode == IcsExamining ||
17443 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17444 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17445 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17446 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17447 gameMode == Training) PopUpMoveDialog(firstChar);
17451 TypeInDoneEvent (char *move)
17454 int n, fromX, fromY, toX, toY;
17456 ChessMove moveType;
17459 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17460 EditPositionPasteFEN(move);
17463 // [HGM] movenum: allow move number to be typed in any mode
17464 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17468 // undocumented kludge: allow command-line option to be typed in!
17469 // (potentially fatal, and does not implement the effect of the option.)
17470 // should only be used for options that are values on which future decisions will be made,
17471 // and definitely not on options that would be used during initialization.
17472 if(strstr(move, "!!! -") == move) {
17473 ParseArgsFromString(move+4);
17477 if (gameMode != EditGame && currentMove != forwardMostMove &&
17478 gameMode != Training) {
17479 DisplayMoveError(_("Displayed move is not current"));
17481 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17482 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17483 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17484 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17485 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17486 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17488 DisplayMoveError(_("Could not parse move"));
17494 DisplayMove (int moveNumber)
17496 char message[MSG_SIZ];
17498 char cpThinkOutput[MSG_SIZ];
17500 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17502 if (moveNumber == forwardMostMove - 1 ||
17503 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17505 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17507 if (strchr(cpThinkOutput, '\n')) {
17508 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17511 *cpThinkOutput = NULLCHAR;
17514 /* [AS] Hide thinking from human user */
17515 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17516 *cpThinkOutput = NULLCHAR;
17517 if( thinkOutput[0] != NULLCHAR ) {
17520 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17521 cpThinkOutput[i] = '.';
17523 cpThinkOutput[i] = NULLCHAR;
17524 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17528 if (moveNumber == forwardMostMove - 1 &&
17529 gameInfo.resultDetails != NULL) {
17530 if (gameInfo.resultDetails[0] == NULLCHAR) {
17531 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17533 snprintf(res, MSG_SIZ, " {%s} %s",
17534 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17540 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17541 DisplayMessage(res, cpThinkOutput);
17543 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17544 WhiteOnMove(moveNumber) ? " " : ".. ",
17545 parseList[moveNumber], res);
17546 DisplayMessage(message, cpThinkOutput);
17551 DisplayComment (int moveNumber, char *text)
17553 char title[MSG_SIZ];
17555 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17556 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17558 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17559 WhiteOnMove(moveNumber) ? " " : ".. ",
17560 parseList[moveNumber]);
17562 if (text != NULL && (appData.autoDisplayComment || commentUp))
17563 CommentPopUp(title, text);
17566 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17567 * might be busy thinking or pondering. It can be omitted if your
17568 * gnuchess is configured to stop thinking immediately on any user
17569 * input. However, that gnuchess feature depends on the FIONREAD
17570 * ioctl, which does not work properly on some flavors of Unix.
17573 Attention (ChessProgramState *cps)
17576 if (!cps->useSigint) return;
17577 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17578 switch (gameMode) {
17579 case MachinePlaysWhite:
17580 case MachinePlaysBlack:
17581 case TwoMachinesPlay:
17582 case IcsPlayingWhite:
17583 case IcsPlayingBlack:
17586 /* Skip if we know it isn't thinking */
17587 if (!cps->maybeThinking) return;
17588 if (appData.debugMode)
17589 fprintf(debugFP, "Interrupting %s\n", cps->which);
17590 InterruptChildProcess(cps->pr);
17591 cps->maybeThinking = FALSE;
17596 #endif /*ATTENTION*/
17602 if (whiteTimeRemaining <= 0) {
17605 if (appData.icsActive) {
17606 if (appData.autoCallFlag &&
17607 gameMode == IcsPlayingBlack && !blackFlag) {
17608 SendToICS(ics_prefix);
17609 SendToICS("flag\n");
17613 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17615 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17616 if (appData.autoCallFlag) {
17617 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17624 if (blackTimeRemaining <= 0) {
17627 if (appData.icsActive) {
17628 if (appData.autoCallFlag &&
17629 gameMode == IcsPlayingWhite && !whiteFlag) {
17630 SendToICS(ics_prefix);
17631 SendToICS("flag\n");
17635 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17637 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17638 if (appData.autoCallFlag) {
17639 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17650 CheckTimeControl ()
17652 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17653 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17656 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17658 if ( !WhiteOnMove(forwardMostMove) ) {
17659 /* White made time control */
17660 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17661 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17662 /* [HGM] time odds: correct new time quota for time odds! */
17663 / WhitePlayer()->timeOdds;
17664 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17666 lastBlack -= blackTimeRemaining;
17667 /* Black made time control */
17668 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17669 / WhitePlayer()->other->timeOdds;
17670 lastWhite = whiteTimeRemaining;
17675 DisplayBothClocks ()
17677 int wom = gameMode == EditPosition ?
17678 !blackPlaysFirst : WhiteOnMove(currentMove);
17679 DisplayWhiteClock(whiteTimeRemaining, wom);
17680 DisplayBlackClock(blackTimeRemaining, !wom);
17684 /* Timekeeping seems to be a portability nightmare. I think everyone
17685 has ftime(), but I'm really not sure, so I'm including some ifdefs
17686 to use other calls if you don't. Clocks will be less accurate if
17687 you have neither ftime nor gettimeofday.
17690 /* VS 2008 requires the #include outside of the function */
17691 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17692 #include <sys/timeb.h>
17695 /* Get the current time as a TimeMark */
17697 GetTimeMark (TimeMark *tm)
17699 #if HAVE_GETTIMEOFDAY
17701 struct timeval timeVal;
17702 struct timezone timeZone;
17704 gettimeofday(&timeVal, &timeZone);
17705 tm->sec = (long) timeVal.tv_sec;
17706 tm->ms = (int) (timeVal.tv_usec / 1000L);
17708 #else /*!HAVE_GETTIMEOFDAY*/
17711 // include <sys/timeb.h> / moved to just above start of function
17712 struct timeb timeB;
17715 tm->sec = (long) timeB.time;
17716 tm->ms = (int) timeB.millitm;
17718 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17719 tm->sec = (long) time(NULL);
17725 /* Return the difference in milliseconds between two
17726 time marks. We assume the difference will fit in a long!
17729 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17731 return 1000L*(tm2->sec - tm1->sec) +
17732 (long) (tm2->ms - tm1->ms);
17737 * Code to manage the game clocks.
17739 * In tournament play, black starts the clock and then white makes a move.
17740 * We give the human user a slight advantage if he is playing white---the
17741 * clocks don't run until he makes his first move, so it takes zero time.
17742 * Also, we don't account for network lag, so we could get out of sync
17743 * with GNU Chess's clock -- but then, referees are always right.
17746 static TimeMark tickStartTM;
17747 static long intendedTickLength;
17750 NextTickLength (long timeRemaining)
17752 long nominalTickLength, nextTickLength;
17754 if (timeRemaining > 0L && timeRemaining <= 10000L)
17755 nominalTickLength = 100L;
17757 nominalTickLength = 1000L;
17758 nextTickLength = timeRemaining % nominalTickLength;
17759 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17761 return nextTickLength;
17764 /* Adjust clock one minute up or down */
17766 AdjustClock (Boolean which, int dir)
17768 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17769 if(which) blackTimeRemaining += 60000*dir;
17770 else whiteTimeRemaining += 60000*dir;
17771 DisplayBothClocks();
17772 adjustedClock = TRUE;
17775 /* Stop clocks and reset to a fresh time control */
17779 (void) StopClockTimer();
17780 if (appData.icsActive) {
17781 whiteTimeRemaining = blackTimeRemaining = 0;
17782 } else if (searchTime) {
17783 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17784 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17785 } else { /* [HGM] correct new time quote for time odds */
17786 whiteTC = blackTC = fullTimeControlString;
17787 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17788 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17790 if (whiteFlag || blackFlag) {
17792 whiteFlag = blackFlag = FALSE;
17794 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17795 DisplayBothClocks();
17796 adjustedClock = FALSE;
17799 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17801 /* Decrement running clock by amount of time that has passed */
17805 long timeRemaining;
17806 long lastTickLength, fudge;
17809 if (!appData.clockMode) return;
17810 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17814 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17816 /* Fudge if we woke up a little too soon */
17817 fudge = intendedTickLength - lastTickLength;
17818 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17820 if (WhiteOnMove(forwardMostMove)) {
17821 if(whiteNPS >= 0) lastTickLength = 0;
17822 timeRemaining = whiteTimeRemaining -= lastTickLength;
17823 if(timeRemaining < 0 && !appData.icsActive) {
17824 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17825 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17826 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17827 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17830 DisplayWhiteClock(whiteTimeRemaining - fudge,
17831 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17833 if(blackNPS >= 0) lastTickLength = 0;
17834 timeRemaining = blackTimeRemaining -= lastTickLength;
17835 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17836 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17838 blackStartMove = forwardMostMove;
17839 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17842 DisplayBlackClock(blackTimeRemaining - fudge,
17843 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17845 if (CheckFlags()) return;
17847 if(twoBoards) { // count down secondary board's clocks as well
17848 activePartnerTime -= lastTickLength;
17850 if(activePartner == 'W')
17851 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17853 DisplayBlackClock(activePartnerTime, TRUE);
17858 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17859 StartClockTimer(intendedTickLength);
17861 /* if the time remaining has fallen below the alarm threshold, sound the
17862 * alarm. if the alarm has sounded and (due to a takeback or time control
17863 * with increment) the time remaining has increased to a level above the
17864 * threshold, reset the alarm so it can sound again.
17867 if (appData.icsActive && appData.icsAlarm) {
17869 /* make sure we are dealing with the user's clock */
17870 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17871 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17874 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17875 alarmSounded = FALSE;
17876 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17878 alarmSounded = TRUE;
17884 /* A player has just moved, so stop the previously running
17885 clock and (if in clock mode) start the other one.
17886 We redisplay both clocks in case we're in ICS mode, because
17887 ICS gives us an update to both clocks after every move.
17888 Note that this routine is called *after* forwardMostMove
17889 is updated, so the last fractional tick must be subtracted
17890 from the color that is *not* on move now.
17893 SwitchClocks (int newMoveNr)
17895 long lastTickLength;
17897 int flagged = FALSE;
17901 if (StopClockTimer() && appData.clockMode) {
17902 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17903 if (!WhiteOnMove(forwardMostMove)) {
17904 if(blackNPS >= 0) lastTickLength = 0;
17905 blackTimeRemaining -= lastTickLength;
17906 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17907 // if(pvInfoList[forwardMostMove].time == -1)
17908 pvInfoList[forwardMostMove].time = // use GUI time
17909 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17911 if(whiteNPS >= 0) lastTickLength = 0;
17912 whiteTimeRemaining -= lastTickLength;
17913 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17914 // if(pvInfoList[forwardMostMove].time == -1)
17915 pvInfoList[forwardMostMove].time =
17916 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17918 flagged = CheckFlags();
17920 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17921 CheckTimeControl();
17923 if (flagged || !appData.clockMode) return;
17925 switch (gameMode) {
17926 case MachinePlaysBlack:
17927 case MachinePlaysWhite:
17928 case BeginningOfGame:
17929 if (pausing) return;
17933 case PlayFromGameFile:
17941 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17942 if(WhiteOnMove(forwardMostMove))
17943 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17944 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17948 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17949 whiteTimeRemaining : blackTimeRemaining);
17950 StartClockTimer(intendedTickLength);
17954 /* Stop both clocks */
17958 long lastTickLength;
17961 if (!StopClockTimer()) return;
17962 if (!appData.clockMode) return;
17966 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17967 if (WhiteOnMove(forwardMostMove)) {
17968 if(whiteNPS >= 0) lastTickLength = 0;
17969 whiteTimeRemaining -= lastTickLength;
17970 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17972 if(blackNPS >= 0) lastTickLength = 0;
17973 blackTimeRemaining -= lastTickLength;
17974 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17979 /* Start clock of player on move. Time may have been reset, so
17980 if clock is already running, stop and restart it. */
17984 (void) StopClockTimer(); /* in case it was running already */
17985 DisplayBothClocks();
17986 if (CheckFlags()) return;
17988 if (!appData.clockMode) return;
17989 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17991 GetTimeMark(&tickStartTM);
17992 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17993 whiteTimeRemaining : blackTimeRemaining);
17995 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17996 whiteNPS = blackNPS = -1;
17997 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17998 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17999 whiteNPS = first.nps;
18000 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18001 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18002 blackNPS = first.nps;
18003 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18004 whiteNPS = second.nps;
18005 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18006 blackNPS = second.nps;
18007 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18009 StartClockTimer(intendedTickLength);
18013 TimeString (long ms)
18015 long second, minute, hour, day;
18017 static char buf[32];
18019 if (ms > 0 && ms <= 9900) {
18020 /* convert milliseconds to tenths, rounding up */
18021 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18023 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18027 /* convert milliseconds to seconds, rounding up */
18028 /* use floating point to avoid strangeness of integer division
18029 with negative dividends on many machines */
18030 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18037 day = second / (60 * 60 * 24);
18038 second = second % (60 * 60 * 24);
18039 hour = second / (60 * 60);
18040 second = second % (60 * 60);
18041 minute = second / 60;
18042 second = second % 60;
18045 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
18046 sign, day, hour, minute, second);
18048 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
18050 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
18057 * This is necessary because some C libraries aren't ANSI C compliant yet.
18060 StrStr (char *string, char *match)
18064 length = strlen(match);
18066 for (i = strlen(string) - length; i >= 0; i--, string++)
18067 if (!strncmp(match, string, length))
18074 StrCaseStr (char *string, char *match)
18078 length = strlen(match);
18080 for (i = strlen(string) - length; i >= 0; i--, string++) {
18081 for (j = 0; j < length; j++) {
18082 if (ToLower(match[j]) != ToLower(string[j]))
18085 if (j == length) return string;
18093 StrCaseCmp (char *s1, char *s2)
18098 c1 = ToLower(*s1++);
18099 c2 = ToLower(*s2++);
18100 if (c1 > c2) return 1;
18101 if (c1 < c2) return -1;
18102 if (c1 == NULLCHAR) return 0;
18110 return isupper(c) ? tolower(c) : c;
18117 return islower(c) ? toupper(c) : c;
18119 #endif /* !_amigados */
18126 if ((ret = (char *) malloc(strlen(s) + 1)))
18128 safeStrCpy(ret, s, strlen(s)+1);
18134 StrSavePtr (char *s, char **savePtr)
18139 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18140 safeStrCpy(*savePtr, s, strlen(s)+1);
18152 clock = time((time_t *)NULL);
18153 tm = localtime(&clock);
18154 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18155 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18156 return StrSave(buf);
18161 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18163 int i, j, fromX, fromY, toX, toY;
18164 int whiteToPlay, haveRights = nrCastlingRights;
18170 whiteToPlay = (gameMode == EditPosition) ?
18171 !blackPlaysFirst : (move % 2 == 0);
18174 /* Piece placement data */
18175 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18176 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18178 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18179 if (boards[move][i][j] == EmptySquare) {
18181 } else { ChessSquare piece = boards[move][i][j];
18182 if (emptycount > 0) {
18183 if(emptycount<10) /* [HGM] can be >= 10 */
18184 *p++ = '0' + emptycount;
18185 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18188 if(PieceToChar(piece) == '+') {
18189 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18191 piece = (ChessSquare)(CHUDEMOTED(piece));
18193 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18194 if(*p = PieceSuffix(piece)) p++;
18196 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18197 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18202 if (emptycount > 0) {
18203 if(emptycount<10) /* [HGM] can be >= 10 */
18204 *p++ = '0' + emptycount;
18205 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18212 /* [HGM] print Crazyhouse or Shogi holdings */
18213 if( gameInfo.holdingsWidth ) {
18214 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18216 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18217 piece = boards[move][i][BOARD_WIDTH-1];
18218 if( piece != EmptySquare )
18219 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18220 *p++ = PieceToChar(piece);
18222 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18223 piece = boards[move][BOARD_HEIGHT-i-1][0];
18224 if( piece != EmptySquare )
18225 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18226 *p++ = PieceToChar(piece);
18229 if( q == p ) *p++ = '-';
18235 *p++ = whiteToPlay ? 'w' : 'b';
18238 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18239 haveRights = 0; q = p;
18240 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18241 piece = boards[move][0][i];
18242 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18243 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18246 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18247 piece = boards[move][BOARD_HEIGHT-1][i];
18248 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18249 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18252 if(p == q) *p++ = '-';
18256 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18259 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18262 int handW=0, handB=0;
18263 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18264 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18265 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18268 if(appData.fischerCastling) {
18269 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18270 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18271 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18273 /* [HGM] write directly from rights */
18274 if(boards[move][CASTLING][2] != NoRights &&
18275 boards[move][CASTLING][0] != NoRights )
18276 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18277 if(boards[move][CASTLING][2] != NoRights &&
18278 boards[move][CASTLING][1] != NoRights )
18279 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18282 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18283 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18285 if(boards[move][CASTLING][5] != NoRights &&
18286 boards[move][CASTLING][3] != NoRights )
18287 *p++ = boards[move][CASTLING][3] + AAA;
18288 if(boards[move][CASTLING][5] != NoRights &&
18289 boards[move][CASTLING][4] != NoRights )
18290 *p++ = boards[move][CASTLING][4] + AAA;
18294 /* [HGM] write true castling rights */
18295 if( nrCastlingRights == 6 ) {
18297 if(boards[move][CASTLING][0] != NoRights &&
18298 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18299 q = (boards[move][CASTLING][1] != NoRights &&
18300 boards[move][CASTLING][2] != NoRights );
18301 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18302 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18303 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18304 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18308 if(boards[move][CASTLING][3] != NoRights &&
18309 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18310 q = (boards[move][CASTLING][4] != NoRights &&
18311 boards[move][CASTLING][5] != NoRights );
18313 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18314 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18315 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18320 if (q == p) *p++ = '-'; /* No castling rights */
18324 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18325 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18326 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18327 /* En passant target square */
18328 if (move > backwardMostMove) {
18329 fromX = moveList[move - 1][0] - AAA;
18330 fromY = moveList[move - 1][1] - ONE;
18331 toX = moveList[move - 1][2] - AAA;
18332 toY = moveList[move - 1][3] - ONE;
18333 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18334 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18335 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18337 /* 2-square pawn move just happened */
18339 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18343 } else if(move == backwardMostMove) {
18344 // [HGM] perhaps we should always do it like this, and forget the above?
18345 if((signed char)boards[move][EP_STATUS] >= 0) {
18346 *p++ = boards[move][EP_STATUS] + AAA;
18347 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18359 { int i = 0, j=move;
18361 /* [HGM] find reversible plies */
18362 if (appData.debugMode) { int k;
18363 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18364 for(k=backwardMostMove; k<=forwardMostMove; k++)
18365 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18369 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18370 if( j == backwardMostMove ) i += initialRulePlies;
18371 sprintf(p, "%d ", i);
18372 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18374 /* Fullmove number */
18375 sprintf(p, "%d", (move / 2) + 1);
18376 } else *--p = NULLCHAR;
18378 return StrSave(buf);
18382 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18384 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18386 int emptycount, virgin[BOARD_FILES];
18387 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18391 /* Piece placement data */
18392 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18395 if (*p == '/' || *p == ' ' || *p == '[' ) {
18397 emptycount = gameInfo.boardWidth - j;
18398 while (emptycount--)
18399 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18400 if (*p == '/') p++;
18401 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18402 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18403 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18405 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18408 #if(BOARD_FILES >= 10)*0
18409 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18410 p++; emptycount=10;
18411 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18412 while (emptycount--)
18413 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18415 } else if (*p == '*') {
18416 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18417 } else if (isdigit(*p)) {
18418 emptycount = *p++ - '0';
18419 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18420 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18421 while (emptycount--)
18422 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18423 } else if (*p == '<') {
18424 if(i == BOARD_HEIGHT-1) shuffle = 1;
18425 else if (i != 0 || !shuffle) return FALSE;
18427 } else if (shuffle && *p == '>') {
18428 p++; // for now ignore closing shuffle range, and assume rank-end
18429 } else if (*p == '?') {
18430 if (j >= gameInfo.boardWidth) return FALSE;
18431 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18432 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18433 } else if (*p == '+' || isalpha(*p)) {
18434 char *q, *s = SUFFIXES;
18435 if (j >= gameInfo.boardWidth) return FALSE;
18438 if(q = strchr(s, p[1])) p++;
18439 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18440 if(piece == EmptySquare) return FALSE; /* unknown piece */
18441 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18442 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18445 if(q = strchr(s, *p)) p++;
18446 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18449 if(piece==EmptySquare) return FALSE; /* unknown piece */
18450 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18451 piece = (ChessSquare) (PROMOTED(piece));
18452 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18455 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18456 if(piece == king) wKingRank = i;
18457 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18463 while (*p == '/' || *p == ' ') p++;
18465 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18467 /* [HGM] by default clear Crazyhouse holdings, if present */
18468 if(gameInfo.holdingsWidth) {
18469 for(i=0; i<BOARD_HEIGHT; i++) {
18470 board[i][0] = EmptySquare; /* black holdings */
18471 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18472 board[i][1] = (ChessSquare) 0; /* black counts */
18473 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18477 /* [HGM] look for Crazyhouse holdings here */
18478 while(*p==' ') p++;
18479 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18480 int swap=0, wcnt=0, bcnt=0;
18482 if(*p == '<') swap++, p++;
18483 if(*p == '-' ) p++; /* empty holdings */ else {
18484 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18485 /* if we would allow FEN reading to set board size, we would */
18486 /* have to add holdings and shift the board read so far here */
18487 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18489 if((int) piece >= (int) BlackPawn ) {
18490 i = (int)piece - (int)BlackPawn;
18491 i = PieceToNumber((ChessSquare)i);
18492 if( i >= gameInfo.holdingsSize ) return FALSE;
18493 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18494 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18497 i = (int)piece - (int)WhitePawn;
18498 i = PieceToNumber((ChessSquare)i);
18499 if( i >= gameInfo.holdingsSize ) return FALSE;
18500 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18501 board[i][BOARD_WIDTH-2]++; /* black holdings */
18505 if(subst) { // substitute back-rank question marks by holdings pieces
18506 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18507 int k, m, n = bcnt + 1;
18508 if(board[0][j] == ClearBoard) {
18509 if(!wcnt) return FALSE;
18511 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18512 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18513 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18517 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18518 if(!bcnt) return FALSE;
18519 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18520 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18521 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18522 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18533 if(subst) return FALSE; // substitution requested, but no holdings
18535 while(*p == ' ') p++;
18539 if(appData.colorNickNames) {
18540 if( c == appData.colorNickNames[0] ) c = 'w'; else
18541 if( c == appData.colorNickNames[1] ) c = 'b';
18545 *blackPlaysFirst = FALSE;
18548 *blackPlaysFirst = TRUE;
18554 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18555 /* return the extra info in global variiables */
18557 while(*p==' ') p++;
18559 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18560 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18561 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18564 /* set defaults in case FEN is incomplete */
18565 board[EP_STATUS] = EP_UNKNOWN;
18566 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18567 for(i=0; i<nrCastlingRights; i++ ) {
18568 board[CASTLING][i] =
18569 appData.fischerCastling ? NoRights : initialRights[i];
18570 } /* assume possible unless obviously impossible */
18571 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18572 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18573 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18574 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18575 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18576 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18577 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18578 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18581 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18584 while(isalpha(*p)) {
18585 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18586 if(islower(*p)) b |= 1 << (*p++ - 'a');
18590 board[TOUCHED_W] = ~w;
18591 board[TOUCHED_B] = ~b;
18592 while(*p == ' ') p++;
18596 if(nrCastlingRights) {
18598 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18599 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18600 /* castling indicator present, so default becomes no castlings */
18601 for(i=0; i<nrCastlingRights; i++ ) {
18602 board[CASTLING][i] = NoRights;
18605 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18606 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18607 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18608 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18609 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18611 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18612 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18613 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18615 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18616 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18617 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18618 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18619 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18620 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18623 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18624 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18625 board[CASTLING][2] = whiteKingFile;
18626 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18627 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18628 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18631 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18632 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18633 board[CASTLING][2] = whiteKingFile;
18634 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18635 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18636 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18639 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18640 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18641 board[CASTLING][5] = blackKingFile;
18642 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18643 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18644 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18647 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18648 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18649 board[CASTLING][5] = blackKingFile;
18650 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18651 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18652 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18655 default: /* FRC castlings */
18656 if(c >= 'a') { /* black rights */
18657 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18658 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18659 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18660 if(i == BOARD_RGHT) break;
18661 board[CASTLING][5] = i;
18663 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18664 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18666 board[CASTLING][3] = c;
18668 board[CASTLING][4] = c;
18669 } else { /* white rights */
18670 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18671 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18672 if(board[0][i] == WhiteKing) break;
18673 if(i == BOARD_RGHT) break;
18674 board[CASTLING][2] = i;
18675 c -= AAA - 'a' + 'A';
18676 if(board[0][c] >= WhiteKing) break;
18678 board[CASTLING][0] = c;
18680 board[CASTLING][1] = c;
18684 for(i=0; i<nrCastlingRights; i++)
18685 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18686 if(gameInfo.variant == VariantSChess)
18687 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18688 if(fischer && shuffle) appData.fischerCastling = TRUE;
18689 if (appData.debugMode) {
18690 fprintf(debugFP, "FEN castling rights:");
18691 for(i=0; i<nrCastlingRights; i++)
18692 fprintf(debugFP, " %d", board[CASTLING][i]);
18693 fprintf(debugFP, "\n");
18696 while(*p==' ') p++;
18699 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18701 /* read e.p. field in games that know e.p. capture */
18702 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18703 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18704 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18706 p++; board[EP_STATUS] = EP_NONE;
18708 char c = *p++ - AAA;
18710 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18711 if(*p >= '0' && *p <='9') p++;
18712 board[EP_STATUS] = c;
18717 if(sscanf(p, "%d", &i) == 1) {
18718 FENrulePlies = i; /* 50-move ply counter */
18719 /* (The move number is still ignored) */
18726 EditPositionPasteFEN (char *fen)
18729 Board initial_position;
18731 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18732 DisplayError(_("Bad FEN position in clipboard"), 0);
18735 int savedBlackPlaysFirst = blackPlaysFirst;
18736 EditPositionEvent();
18737 blackPlaysFirst = savedBlackPlaysFirst;
18738 CopyBoard(boards[0], initial_position);
18739 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18740 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18741 DisplayBothClocks();
18742 DrawPosition(FALSE, boards[currentMove]);
18747 static char cseq[12] = "\\ ";
18750 set_cont_sequence (char *new_seq)
18755 // handle bad attempts to set the sequence
18757 return 0; // acceptable error - no debug
18759 len = strlen(new_seq);
18760 ret = (len > 0) && (len < sizeof(cseq));
18762 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18763 else if (appData.debugMode)
18764 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18769 reformat a source message so words don't cross the width boundary. internal
18770 newlines are not removed. returns the wrapped size (no null character unless
18771 included in source message). If dest is NULL, only calculate the size required
18772 for the dest buffer. lp argument indicats line position upon entry, and it's
18773 passed back upon exit.
18776 wrap (char *dest, char *src, int count, int width, int *lp)
18778 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18780 cseq_len = strlen(cseq);
18781 old_line = line = *lp;
18782 ansi = len = clen = 0;
18784 for (i=0; i < count; i++)
18786 if (src[i] == '\033')
18789 // if we hit the width, back up
18790 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18792 // store i & len in case the word is too long
18793 old_i = i, old_len = len;
18795 // find the end of the last word
18796 while (i && src[i] != ' ' && src[i] != '\n')
18802 // word too long? restore i & len before splitting it
18803 if ((old_i-i+clen) >= width)
18810 if (i && src[i-1] == ' ')
18813 if (src[i] != ' ' && src[i] != '\n')
18820 // now append the newline and continuation sequence
18825 strncpy(dest+len, cseq, cseq_len);
18833 dest[len] = src[i];
18837 if (src[i] == '\n')
18842 if (dest && appData.debugMode)
18844 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18845 count, width, line, len, *lp);
18846 show_bytes(debugFP, src, count);
18847 fprintf(debugFP, "\ndest: ");
18848 show_bytes(debugFP, dest, len);
18849 fprintf(debugFP, "\n");
18851 *lp = dest ? line : old_line;
18856 // [HGM] vari: routines for shelving variations
18857 Boolean modeRestore = FALSE;
18860 PushInner (int firstMove, int lastMove)
18862 int i, j, nrMoves = lastMove - firstMove;
18864 // push current tail of game on stack
18865 savedResult[storedGames] = gameInfo.result;
18866 savedDetails[storedGames] = gameInfo.resultDetails;
18867 gameInfo.resultDetails = NULL;
18868 savedFirst[storedGames] = firstMove;
18869 savedLast [storedGames] = lastMove;
18870 savedFramePtr[storedGames] = framePtr;
18871 framePtr -= nrMoves; // reserve space for the boards
18872 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18873 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18874 for(j=0; j<MOVE_LEN; j++)
18875 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18876 for(j=0; j<2*MOVE_LEN; j++)
18877 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18878 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18879 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18880 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18881 pvInfoList[firstMove+i-1].depth = 0;
18882 commentList[framePtr+i] = commentList[firstMove+i];
18883 commentList[firstMove+i] = NULL;
18887 forwardMostMove = firstMove; // truncate game so we can start variation
18891 PushTail (int firstMove, int lastMove)
18893 if(appData.icsActive) { // only in local mode
18894 forwardMostMove = currentMove; // mimic old ICS behavior
18897 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18899 PushInner(firstMove, lastMove);
18900 if(storedGames == 1) GreyRevert(FALSE);
18901 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18905 PopInner (Boolean annotate)
18908 char buf[8000], moveBuf[20];
18910 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18911 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18912 nrMoves = savedLast[storedGames] - currentMove;
18915 if(!WhiteOnMove(currentMove))
18916 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18917 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18918 for(i=currentMove; i<forwardMostMove; i++) {
18920 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18921 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18922 strcat(buf, moveBuf);
18923 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18924 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18928 for(i=1; i<=nrMoves; i++) { // copy last variation back
18929 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18930 for(j=0; j<MOVE_LEN; j++)
18931 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18932 for(j=0; j<2*MOVE_LEN; j++)
18933 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18934 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18935 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18936 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18937 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18938 commentList[currentMove+i] = commentList[framePtr+i];
18939 commentList[framePtr+i] = NULL;
18941 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18942 framePtr = savedFramePtr[storedGames];
18943 gameInfo.result = savedResult[storedGames];
18944 if(gameInfo.resultDetails != NULL) {
18945 free(gameInfo.resultDetails);
18947 gameInfo.resultDetails = savedDetails[storedGames];
18948 forwardMostMove = currentMove + nrMoves;
18952 PopTail (Boolean annotate)
18954 if(appData.icsActive) return FALSE; // only in local mode
18955 if(!storedGames) return FALSE; // sanity
18956 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18958 PopInner(annotate);
18959 if(currentMove < forwardMostMove) ForwardEvent(); else
18960 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18962 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18968 { // remove all shelved variations
18970 for(i=0; i<storedGames; i++) {
18971 if(savedDetails[i])
18972 free(savedDetails[i]);
18973 savedDetails[i] = NULL;
18975 for(i=framePtr; i<MAX_MOVES; i++) {
18976 if(commentList[i]) free(commentList[i]);
18977 commentList[i] = NULL;
18979 framePtr = MAX_MOVES-1;
18984 LoadVariation (int index, char *text)
18985 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18986 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18987 int level = 0, move;
18989 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18990 // first find outermost bracketing variation
18991 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18992 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18993 if(*p == '{') wait = '}'; else
18994 if(*p == '[') wait = ']'; else
18995 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18996 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18998 if(*p == wait) wait = NULLCHAR; // closing ]} found
19001 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19002 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19003 end[1] = NULLCHAR; // clip off comment beyond variation
19004 ToNrEvent(currentMove-1);
19005 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19006 // kludge: use ParsePV() to append variation to game
19007 move = currentMove;
19008 ParsePV(start, TRUE, TRUE);
19009 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19010 ClearPremoveHighlights();
19012 ToNrEvent(currentMove+1);
19018 char *p, *q, buf[MSG_SIZ];
19019 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19020 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
19021 ParseArgsFromString(buf);
19022 ActivateTheme(TRUE); // also redo colors
19026 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19029 q = appData.themeNames;
19030 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
19031 if(appData.useBitmaps) {
19032 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
19033 appData.liteBackTextureFile, appData.darkBackTextureFile,
19034 appData.liteBackTextureMode,
19035 appData.darkBackTextureMode );
19037 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
19038 Col2Text(2), // lightSquareColor
19039 Col2Text(3) ); // darkSquareColor
19041 if(appData.useBorder) {
19042 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
19045 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
19047 if(appData.useFont) {
19048 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19049 appData.renderPiecesWithFont,
19050 appData.fontToPieceTable,
19051 Col2Text(9), // appData.fontBackColorWhite
19052 Col2Text(10) ); // appData.fontForeColorBlack
19054 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
19055 appData.pieceDirectory);
19056 if(!appData.pieceDirectory[0])
19057 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
19058 Col2Text(0), // whitePieceColor
19059 Col2Text(1) ); // blackPieceColor
19061 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19062 Col2Text(4), // highlightSquareColor
19063 Col2Text(5) ); // premoveHighlightColor
19064 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19065 if(insert != q) insert[-1] = NULLCHAR;
19066 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19069 ActivateTheme(FALSE);